/* ========================================
   ABC Costing Tool - Styles
   ======================================== */

:root {
    --color-nature: #E74C3C;
    --color-ressource: #3498DB;
    --color-activite: #2ECC71;
    --color-prestation: #F39C12;
    --color-metier: #9B59B6;

    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E2E8F0;
    --bg-card: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border-color: #CBD5E1;
    --border: #CBD5E1;
    --accent: #4F46E5;
    --accent-hover: #6366F1;
    --accent-light: #EEF2FF;
    --primary: #4F46E5;
    --info: #3B82F6;
    --bg-hover: #F1F5F9;
    --border-subtle: #E2E8F0;
    --success: #16A34A;
    --warning: #D97706;
    --danger: #DC2626;

    /* Typography scale */
    --font-xs: 10px;
    --font-sm: 11px;
    --font-md: 12px;
    --font-base: 13px;
    --font-lg: 14px;
    --font-xl: 16px;

    /* Radius scale */
    --radius-xs: 3px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);

    /* Table backgrounds */
    --bg-table-header: #F1F5F9;
    --bg-table-alt: #FAFBFC;
    --bg-panel: #F5F5F5;

    /* Status colors */
    --status-draft: #94A3B8;
    --status-proposed: #8B5CF6;
    --status-validated: #10B981;
    --status-draft-bg: #F8FAFC;
    --status-proposed-bg: #F5F3FF;
    --status-validated-bg: #ECFDF5;

    --transition: all 0.2s ease;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-card: #1E293B;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border-color: #334155;
    --border: #334155;
    --accent: #4F46E5;
    --accent-hover: #6366F1;
    --accent-light: #312E81;
    --primary: #6366F1;
    --info: #60A5FA;
    --bg-hover: #334155;
    --border-subtle: #475569;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.3);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
    --bg-table-header: #1E293B;
    --bg-table-alt: #1A2332;
    --bg-panel: #1E293B;
    --status-draft: #64748B;
    --status-proposed: #7C3AED;
    --status-validated: #059669;
    --status-draft-bg: #1E293B;
    --status-proposed-bg: #2E1065;
    --status-validated-bg: #064E3B;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ======== Header ======== */
#app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 44px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left h1 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 8px;
    padding-left: 8px;
    border-left: 1px solid var(--border-color);
}

.nav-sep {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 4px;
    opacity: 0.5;
}

#main-nav {
    display: flex;
    gap: 0;
    align-items: center;
}

/* Nav group (dropdown container) */
.nav-group {
    position: relative;
}

.nav-group-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.nav-group-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-group-btn.active {
    background: transparent;
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    border-radius: 0;
    padding-bottom: 4px;
}

.nav-caret {
    font-size: 10px;
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.nav-group:hover .nav-caret,
.nav-group.open .nav-caret {
    transform: rotate(180deg);
}

/* Dropdown menu */
@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 4px;
    padding-top: 8px;
    z-index: 100;
    flex-direction: column;
}

/* Invisible bridge to prevent hover gap */
.nav-group::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 8px;
    display: none;
}

.nav-group:hover::after,
.nav-group.open::after {
    display: block;
}

.nav-group:hover .nav-dropdown,
.nav-group.open .nav-dropdown {
    display: flex;
    animation: dropdownFadeIn 0.15s ease-out;
}

.nav-dropdown .nav-btn {
    width: 100%;
    justify-content: flex-start;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.nav-dropdown .nav-btn:hover {
    background: var(--bg-tertiary);
}

.nav-dropdown .nav-btn.active {
    background: transparent;
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    border-radius: 0;
}

/* Standalone nav buttons (no dropdown) */
.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-btn.active {
    background: transparent;
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    border-radius: 0;
}

.nav-icon {
    font-size: 14px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-right select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.header-right select:hover {
    border-color: var(--accent);
}

.header-period-group {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-primary);
    padding: 2px 4px;
    border-radius: var(--radius);
    border: 1px solid rgba(203, 213, 225, 0.6); /* fallback */
    border: 1px solid color-mix(in srgb, var(--border-color) 60%, transparent);
}
.header-period-group select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 6px;
    cursor: pointer;
}
.header-period-group select:hover {
    color: var(--accent);
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ======== Views ======== */
#app-main {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.view {
    display: none;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    overflow-y: auto;
    padding: 16px 20px;
}
/* Views that manage their own scroll (Sankey, BPMN) override to hidden */
#view-sankey,
#view-bpmn {
    overflow-y: hidden;
}

.view.active {
    display: flex;
    flex-direction: column;
    animation: viewFadeIn 0.08s ease-out;
}

@keyframes viewFadeIn {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

.view-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.view-toolbar h2 {
    font-size: 18px;
    font-weight: 600;
}

/* Sankey view: minimal padding to maximize chart area */
#view-sankey { padding: 4px 10px 6px; }
#view-sankey .view-toolbar { margin-bottom: 0; }

/* Sankey filters panel */
.sankey-filters-panel {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 4px;
    font-size: 11px;
    flex-shrink: 0;
}
.sankey-filters-panel.hidden { display: none; }

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toolbar-actions label {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

/* ======== Sankey ======== */
#sankey-container {
    flex: 1;
    background: var(--bg-primary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    min-height: 0;
    /* Subtle inset shadow for depth */
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
}

#sankey-svg {
    width: 100%;
    height: 100%;
}

#sankey-svg .node rect {
    cursor: pointer;
    transition: opacity 0.15s ease-out, filter 0.15s ease-out;
}

#sankey-svg .node rect:hover {
    opacity: 0.88;
    filter: brightness(1.08);
}

/* Disable transitions when user prefers */
#sankey-svg[data-no-anim] .node rect,
#sankey-svg[data-no-anim] .link {
    transition: none !important;
}

#sankey-svg .node text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    fill: var(--text-primary);
    pointer-events: none;
    user-select: none;
}

#sankey-svg .link {
    fill: none;
    stroke-opacity: var(--link-opacity, 0.3);
    transition: stroke-width 0.12s ease-out, stroke-opacity 0.1s ease-out;
}

/* CSS-based hover dimming — O(1) via custom property, no JS iteration */
.link-hover-active .link { stroke-opacity: 0.03; }
.link-hover-active .link.link-highlighted { stroke-opacity: var(--link-hover-opacity, 0.6); }

#sankey-svg .link-label {
    font-size: 9px;
    fill: var(--text-muted);
    pointer-events: none;
}

#sankey-legend {
    display: flex;
    gap: 20px;
    padding: 8px 0 0;
    justify-content: center;
    flex-shrink: 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.legend-item:hover {
    color: var(--text-primary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    display: inline-block;
}

@keyframes tooltipFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.tooltip {
    position: absolute;
    background: #1E293B;
    color: #F1F5F9;
    border: 1px solid #334155;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    pointer-events: none;
    z-index: 50;
    display: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    max-width: 280px;
    animation: tooltipFadeIn 0.15s ease-out;
}

.tooltip .tt-title { color: #F8FAFC; }
.tooltip .tt-module { color: #94A3B8; }
.tooltip .tt-value { color: #818CF8; }
.tooltip .tt-driver { color: #CBD5E1; }

.tooltip .tt-title {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 13px;
}

.tooltip .tt-module {
    color: var(--text-muted);
    font-size: 11px;
    margin-bottom: 6px;
}

.tooltip .tt-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
}

.tooltip .tt-driver {
    color: var(--text-secondary);
    margin-top: 4px;
    font-size: 11px;
}

/* ======== Detail Panel ======== */
#detail-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 90;
    overflow-y: auto;
    padding: 20px;
}

#detail-panel.panel-hidden {
    display: none;
}

.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.detail-header h3 {
    font-size: 22px;
}

.btn-close {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-close:hover {
    background: var(--danger);
}

.detail-info {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

#detail-meta, #detail-dimensions {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    flex: 1;
}

#detail-meta .meta-row, #detail-dimensions .dim-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

#detail-meta .meta-label, #detail-dimensions .dim-label {
    color: var(--text-secondary);
}

#detail-meta .meta-value, #detail-dimensions .dim-value {
    font-weight: 600;
}

.detail-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.flow-section {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.flow-section h4 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.flow-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

#detail-center-node {
    background: var(--accent);
    padding: 20px 28px;
    border-radius: var(--radius);
    text-align: center;
    font-weight: 700;
    font-size: 16px;
    min-width: 160px;
}

#detail-center-node .center-amount {
    font-size: 22px;
    margin-top: 8px;
}

#detail-center-node .center-module {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 4px;
}

.flow-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 8px 12px;
    margin-bottom: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    gap: 8px;
}

.flow-item:hover {
    background: rgba(99, 102, 241, 0.15);
}

.flow-item .fi-name {
    font-weight: 500;
}

.flow-item .fi-amount {
    font-weight: 700;
    color: var(--warning);
}

.flow-item .fi-net-amount {
    font-size: 14px;
    font-weight: 700;
    color: #818CF8;
}

.flow-item .fi-gross-detail {
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 1px;
}

.flow-item .fi-driver {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Flow dimension chips */
.dv-flow-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 3px;
}
.dv-flow-chip {
    font-size: 9px;
    background: rgba(99, 102, 241, 0.15);
    color: #A5B4FC;
    padding: 1px 6px;
    border-radius: 8px;
    white-space: nowrap;
}

/* Flow total bar */
.dv-flow-total {
    border-top: 1px solid var(--border-color, #334155);
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 13px;
}
.dv-flow-total span:first-child { color: #94A3B8; }
.dv-flow-total span:last-child { color: #818CF8; }

/* Flow balance context */
.dv-flow-balance {
    padding: 4px 12px 6px;
    font-size: 11px;
    color: var(--text-muted);
    border-top: 1px dashed var(--border-color, #334155);
}
.dv-flow-balance > div {
    display: flex;
    justify-content: space-between;
    padding: 2px 0;
}
.dv-flow-balance .dv-flow-net {
    font-weight: 700;
    font-size: 12px;
    color: #818CF8;
    padding-top: 3px;
    border-top: 1px solid var(--border-color, #334155);
    margin-top: 2px;
}
.dv-flow-balance .dv-flow-net span:last-child {
    color: #818CF8;
}

/* Detail tooltip */
.dv-tooltip {
    position: fixed;
    z-index: 3000;
    background: #1E293B;
    border: 1px solid #475569;
    border-radius: 8px;
    padding: 0;
    max-width: 320px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    pointer-events: none;
    display: none;
}
.dv-tt {
    padding: 10px 12px;
    font-size: 12px;
    color: #CBD5E1;
}
.dv-tt-header {
    margin-bottom: 6px;
}
.dv-tt-name {
    font-size: 14px;
    font-weight: 700;
    color: #F1F5F9;
}
.dv-tt-module {
    font-size: 11px;
    font-weight: 600;
}
.dv-tt-ref {
    font-size: 10px;
    color: #64748B;
    margin-bottom: 4px;
    font-family: monospace;
}
.dv-tt-desc {
    font-size: 11px;
    color: #94A3B8;
    margin-bottom: 6px;
    font-style: italic;
}
.dv-tt-costs {
    background: rgba(0,0,0,0.2);
    padding: 6px 8px;
    border-radius: 4px;
    margin: 6px 0;
    font-size: 11px;
}
.dv-tt-total {
    font-size: 13px;
    color: #818CF8;
    margin-top: 2px;
}
.dv-tt-section {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid #334155;
}
.dv-tt-section-title {
    font-size: 10px;
    font-weight: 600;
    color: #64748B;
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}
.dv-tt-dim, .dv-tt-attr {
    font-size: 11px;
    margin-bottom: 2px;
}
.dv-tt-dim-name, .dv-tt-attr-name {
    color: #94A3B8;
    margin-right: 4px;
}
.dv-tt-dims-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin: 4px 0;
}
.dv-tt-chip {
    font-size: 9px;
    background: rgba(99, 102, 241, 0.2);
    color: #A5B4FC;
    padding: 2px 6px;
    border-radius: 8px;
}
.dv-tt-driver-detail {
    font-size: 11px;
}
.dv-tt-driver-detail div {
    margin-bottom: 2px;
}

/* Trace toolbar */
.dv-trace-toolbar {
    display: flex;
    gap: 4px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.dv-trace-btn {
    padding: 4px 10px;
    font-size: 11px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}
.dv-trace-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.dv-trace-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.dv-trace-sep {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 4px;
    align-self: center;
}

/* Trace node hover */
.dv-trace-node:hover rect {
    stroke-width: 2.5;
    filter: brightness(1.2);
}

.detail-trace {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.detail-trace h4 {
    margin-bottom: 12px;
    font-size: 14px;
}

#detail-trace-svg {
    width: 100%;
    min-height: 300px;
    cursor: grab;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
}
#detail-trace-svg:active {
    cursor: grabbing;
}

/* Trace context menu */
.trace-context-menu {
    position: fixed;
    z-index: 3000;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 4px 0;
    min-width: 200px;
    animation: menuFadeIn 0.12s ease;
}
.trace-context-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}
.trace-context-menu-item:hover {
    background: var(--bg-hover);
}
.trace-context-menu-item .ctx-icon {
    width: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}
.trace-context-menu-sep {
    height: 1px;
    background: var(--border-color);
    margin: 4px 8px;
}

/* Collapsible sections in detail view */
.dv-collapsible {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.dv-collapsible-nested {
    border: none;
    border-top: 1px solid var(--border-color);
    border-radius: 0;
}
.dv-collapsible-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    cursor: pointer;
    user-select: none;
    background: rgba(0,0,0,0.05);
    transition: var(--transition);
}
[data-theme="dark"] .dv-collapsible-header {
    background: rgba(255,255,255,0.03);
}
.dv-collapsible-header:hover {
    background: rgba(0,0,0,0.08);
}
[data-theme="dark"] .dv-collapsible-header:hover {
    background: rgba(255,255,255,0.06);
}
.dv-collapse-arrow {
    font-size: 9px;
    color: var(--text-muted);
    transition: transform 0.2s ease;
    display: inline-block;
}
.dv-collapsible.collapsed .dv-collapse-arrow {
    transform: rotate(-90deg);
}
.dv-collapse-count {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 1px 6px;
    border-radius: 8px;
    min-width: 18px;
    text-align: center;
}
.dv-collapsible-body {
    padding: 6px 10px;
    transition: max-height 0.2s ease;
}
.dv-collapsible.collapsed .dv-collapsible-body {
    display: none;
}

/* ======== Model Config ======== */
.model-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 16px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.model-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.model-panel h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.model-panel-full {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 20px;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.view-hint {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
    font-style: italic;
}

.item-list {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 12px;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    margin-bottom: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.list-item:hover {
    background: var(--bg-tertiary);
}

.list-item.selected {
    border-left-color: var(--accent);
    background: rgba(79, 70, 229, 0.15);
}

.list-item .li-name {
    font-size: 13px;
    font-weight: 500;
}

.list-item .li-ref {
    font-size: 10px;
    color: var(--text-muted);
}

.list-item .li-info {
    display: flex;
    flex-direction: column;
}

.list-item .li-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.list-item:hover .li-actions {
    opacity: 1;
}

.li-actions button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 14px;
}

.li-actions button:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.li-actions button.btn-delete:hover {
    color: var(--danger);
}

.module-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.2); /* fallback */
    box-shadow: 0 0 0 2px color-mix(in srgb, currentColor 20%, transparent);
}

.btn-add {
    background: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    padding: 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-add:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-add:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.panel-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ======== Allocations ======== */
.allocations-layout {
    flex: 1;
    overflow: auto;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 12px;
}

.data-table thead th,
.data-table th {
    background: var(--bg-table-header);
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr.selected {
    background: var(--accent-light);
}

.data-table td {
    padding: 7px 12px;
    border-bottom: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    color: var(--text-primary);
}

.data-table .cell-module {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.module-badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 10px;
    border-radius: 11px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: opacity 0.15s;
}

.module-badge:hover {
    opacity: 0.85;
}

.data-table .module-badge {
    height: 22px;
    padding: 0 10px;
}

/* ======== GL Import ======== */
.gl-layout {
    display: flex;
    flex-direction: row;
    gap: 16px;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

/* ── GL v2 layout: sidebar + main ── */
.gl-layout-v2 {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}
.gl-layout-v2.detail-open {
    grid-template-columns: 260px 1fr var(--gl-detail-width, 420px);
}
.gl-sidebar {
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.gl-sidebar-header {
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.gl-sidebar-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}
.gl-sidebar-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}
.gl-sidebar-stats {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.gl-stat-card {
    flex: 1;
    min-width: 90px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 8px 10px;
    text-align: center;
}
.gl-stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}
.gl-stat-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-top: 2px;
}
.gl-sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}
.gl-batch-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 6px;
    cursor: default;
    transition: all 0.12s;
    position: relative;
}
.gl-batch-card:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    border-color: var(--accent);
}
.gl-batch-card.archived {
    opacity: 0.5;
    border-style: dashed;
}
.gl-batch-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}
.gl-batch-name .gl-batch-status {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.gl-batch-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1.6;
}
.gl-batch-meta strong {
    color: var(--text-secondary);
    font-weight: 600;
}
.gl-batch-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.12s;
}
.gl-batch-card:hover .gl-batch-actions {
    opacity: 1;
}
.gl-batch-notes {
    font-size: 10px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.gl-sidebar-footer {
    padding: 10px 12px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    gap: 6px;
}
.gl-main {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    padding: 12px 16px;
    gap: 12px;
}

.gl-upload-area {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
}

.gl-data-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
    min-height: 0;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--accent);
    background: rgba(79, 70, 229, 0.05);
}

.upload-zone p {
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: 8px;
}

.gl-mapping {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.gl-mapping.hidden {
    display: none;
}

.mapping-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.mapping-row label {
    width: 200px;
    font-size: 13px;
    color: var(--text-secondary);
}

.mapping-row select {
    flex: 1;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: var(--radius-sm);
}

/* --- GL Config Card (settings-card pattern) --- */
.gl-config-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.gl-config-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.gl-config-label {
    width: 120px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.gl-config-select {
    flex: 1;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.gl-config-hint {
    font-size: 11px;
    color: var(--text-muted);
    padding: 6px 0 0 0;
    border-top: 1px solid var(--border-color);
    margin-top: 2px;
}

/* --- Upload zone icon --- */
.upload-zone-icon {
    font-size: 32px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-variant-emoji: text;
}

/* --- GL File queue --- */
.gl-file-queue {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.gl-file-queue.hidden {
    display: none;
}

/* --- GL Section title (settings-card-title pattern) --- */
.gl-section-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-variant-emoji: text;
}

/* --- GL Mapping grid --- */
.gl-mapping-grid {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* --- GL Import actions --- */
.gl-import-actions {
    padding: 4px 0;
}
.gl-import-actions .btn-primary {
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* --- GL Duplicate warning --- */
.gl-duplicate-warning {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text-primary);
}
.gl-duplicate-warning.hidden {
    display: none;
}

/* --- GL Unmapped summary --- */
.gl-unmapped-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 13px;
}
.gl-unmapped-summary.hidden {
    display: none;
}

/* --- GL Preview & Current cards (settings-card pattern) --- */
.gl-preview, .gl-preview-card {
    background: var(--bg-secondary);
    padding: 16px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: auto;
    flex: 0 0 auto;
    max-height: 260px;
}

.gl-current, .gl-current-card {
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

/* --- GL Filter bar --- */
.gl-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    flex-shrink: 0;
}
.gl-filter-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.gl-filter-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.gl-filter-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.gl-filter-select, .gl-filter-input {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    min-width: 0;
}
.gl-filter-select {
    max-width: 220px;
}
.gl-filter-input {
    width: 90px;
}
.gl-entry-count {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
}
.gl-filter-total {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    padding: 3px 10px;
    background: rgba(79, 70, 229, 0.07);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* --- GL Excel-like table --- */
.gl-table-wrap {
    flex: 1;
    overflow: auto;
    min-height: 0;
}
.gl-excel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    table-layout: auto;
}
.gl-excel-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
}
.gl-excel-table thead th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 7px 10px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--border-color);
    user-select: none;
    position: sticky;
    top: 0;
}
.gl-excel-table thead th.gl-th-right {
    text-align: right;
}
.gl-th-sortable {
    cursor: pointer;
}
.gl-th-sortable:hover {
    background: var(--bg-hover, rgba(0,0,0,0.05));
}
.gl-sort-icon {
    display: inline-block;
    width: 10px;
    font-size: 9px;
    color: var(--text-muted);
    margin-left: 2px;
}
.gl-th-sortable.sort-asc .gl-sort-icon::after { content: "▲"; }
.gl-th-sortable.sort-desc .gl-sort-icon::after { content: "▼"; }

.gl-excel-table tbody tr {
    transition: background 0.1s;
    cursor: pointer;
}
.gl-excel-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.015);
}
.gl-excel-table tbody tr:hover {
    background: rgba(79, 70, 229, 0.05);
}
.gl-excel-table tbody tr.gl-row-selected {
    background: rgba(79, 70, 229, 0.10);
    outline: 1px solid var(--accent);
    outline-offset: -1px;
}
.gl-excel-table tbody td {
    padding: 5px 10px;
    border-bottom: 1px solid var(--border-color-light, rgba(0,0,0,0.04));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}
.gl-excel-table tbody td:nth-child(2) {
    max-width: 260px;
}
.gl-td-amount {
    text-align: right;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.gl-excel-table tbody td:nth-child(3) {
    text-align: right;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.gl-excel-table tfoot {
    position: sticky;
    bottom: 0;
    z-index: 2;
}
.gl-excel-table tfoot td {
    background: var(--bg-tertiary);
    padding: 7px 10px;
    font-size: 12px;
    border-top: 2px solid var(--border-color);
    font-variant-numeric: tabular-nums;
}

/* Source badge in table */
.gl-source-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
}

/* Phase badges */
.gl-phase-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}
.gl-phase-reel { background: rgba(34,197,94,0.1); color: #16a34a; }
.gl-phase-budget { background: rgba(59,130,246,0.1); color: #2563eb; }

/* #gl-load-more-wrap */
#gl-load-more-wrap {
    text-align: center;
    padding: 4px 0;
    flex-shrink: 0;
}

/* --- GL Detail panel (right sidebar, resizable) --- */
.gl-detail-panel {
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    position: relative;
    min-width: 300px;
}
.gl-detail-panel.hidden {
    display: none;
}
/* Resize handle on left edge */
.gl-detail-resize {
    position: absolute;
    left: -3px;
    top: 0;
    bottom: 0;
    width: 6px;
    cursor: col-resize;
    z-index: 10;
    background: transparent;
    transition: background 0.15s;
}
.gl-detail-resize:hover,
.gl-detail-resize.active {
    background: var(--accent);
    opacity: 0.4;
}
.gl-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-secondary);
}
.gl-detail-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.gl-detail-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    font-size: 13px;
}
.gl-detail-field {
    margin-bottom: 14px;
}
.gl-detail-field-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.gl-detail-field-value {
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-word;
    line-height: 1.4;
}
.gl-detail-field-value.amount {
    font-size: 22px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--accent);
}
.gl-detail-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 16px 0;
}
/* History timeline in detail panel */
.gl-history-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.gl-history-item {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color-light, rgba(0,0,0,0.04));
    position: relative;
}
.gl-history-item:last-child { border-bottom: none; }
.gl-history-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    margin-top: 4px;
}
.gl-history-dot.active { background: var(--success, #22c55e); }
.gl-history-dot.deleted { background: var(--danger, #ef4444); }
.gl-history-dot.archived { background: var(--text-muted); }
.gl-history-content {
    flex: 1;
    min-width: 0;
}
.gl-history-title {
    font-weight: 600;
    font-size: 12px;
    color: var(--text-primary);
}
.gl-history-meta {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}
.gl-history-amount {
    font-size: 11px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
}

/* Nature select in excel table */
.gl-nature-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid transparent;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    max-width: 140px;
    cursor: pointer;
}
.gl-nature-select:hover, .gl-nature-select:focus {
    border-color: var(--border-color);
}

.unmapped-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.unmapped-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.unmapped-prefix {
    font-family: monospace;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 70px;
}

.unmapped-select {
    flex: 1;
    font-size: 12px;
}

/* ======== Generic Master-Detail Layout with Splitter ======== */
.md-layout {
    display: flex;
    flex-direction: row;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.md-list-panel {
    flex: 1;
    min-width: 300px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border-radius: var(--radius) 0 0 var(--radius);
    border: 1px solid var(--border-color);
    border-right: none;
    padding: 8px;
    display: flex;
    flex-direction: column;
}

.md-splitter {
    width: 6px;
    cursor: col-resize;
    background: var(--border-color);
    flex-shrink: 0;
    transition: background 0.15s;
    position: relative;
}
.md-splitter:hover, .md-splitter.dragging {
    background: var(--accent);
}
.md-splitter::after {
    content: '...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(90deg);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
}

.md-list-panel .md-list-filter {
    padding: 0 4px 8px 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
    flex-shrink: 0;
}

.md-list-panel .md-list-filter select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
}

.md-list-panel .item-list {
    gap: 4px;
    flex: 1;
    overflow-y: auto;
}

.md-list-panel .item-row {
    cursor: pointer;
    padding: 10px 12px;
    transition: var(--transition);
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 4px;
}

.md-list-panel .item-row:hover {
    background: var(--bg-tertiary);
}

.md-list-panel .item-row.selected {
    background: var(--bg-tertiary);
    border-left-color: var(--accent);
}

.md-detail-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    min-width: 0;
    background: var(--bg-secondary);
    border-radius: 0 var(--radius) var(--radius) 0;
    border: 1px solid var(--border-color);
    padding: 16px;
}

.md-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.md-detail-header h3 {
    margin: 0;
    font-size: 16px;
}

.md-detail-content {
    flex: 1;
    overflow: auto;
    min-height: 0;
}

/* Generic item row hover delete button */
.md-list-panel .item-row .hover-action {
    opacity: 0;
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 4px 6px;
    border-radius: 4px;
    flex-shrink: 0;
}

.md-list-panel .item-row:hover .hover-action {
    opacity: 1;
}

.md-list-panel .item-row .hover-action:hover {
    color: var(--danger);
    background: var(--bg-tertiary);
}

/* Generic section (collapsible) - shared by all master-detail views */
.md-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    background: var(--bg-primary);
    overflow: hidden;
}

.md-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    background: var(--bg-primary);
}

.md-section-header:hover {
    background: var(--bg-tertiary);
}

.md-section-chevron {
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
    display: inline-block;
    flex-shrink: 0;
}

.md-section-chevron.open {
    transform: rotate(90deg);
}

.md-section-title {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.md-section-summary {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 400;
}

.md-section-badge {
    margin-left: auto;
    font-size: 11px;
    background: var(--accent);
    color: white;
    padding: 1px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.md-section-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
    padding: 0 14px;
}

.md-section-body.open {
    max-height: none;
    padding: 0 14px 14px 14px;
    overflow: visible;
}

/* Generic form grid */
.md-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.md-form-grid .form-group {
    margin: 0;
}

.md-form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

.md-form-grid label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.md-form-grid input,
.md-form-grid textarea,
.md-form-grid select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    box-sizing: border-box;
}

.md-form-grid input:focus,
.md-form-grid textarea:focus,
.md-form-grid select:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79,70,229,0.15);
}

.md-form-grid input[readonly] {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Generic data table for detail panels */
.md-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.md-data-table th {
    text-align: left;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
}

.md-data-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--border-color);
}

.md-data-table tr:hover td {
    background: var(--bg-tertiary);
}

.md-data-table .row-actions {
    text-align: right;
    white-space: nowrap;
}

.md-data-table .row-actions button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 14px;
    opacity: 0;
    transition: var(--transition);
}

.md-data-table tr:hover .row-actions button {
    opacity: 1;
}

.md-data-table .row-actions button:hover {
    background: var(--bg-tertiary);
    color: var(--accent);
}

.md-data-table .row-actions button.btn-delete:hover {
    color: var(--danger);
}

/* ======== Modules Master-Detail ======== */
.mod-master-detail {
    display: flex;
    flex-direction: row;
    gap: 16px;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.mod-list-panel {
    flex: 0 0 260px;
    min-width: 200px;
    max-width: 360px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 6px 0;
    flex-shrink: 0;
}

.mod-list-panel .item-list {
    gap: 2px;
}

.mod-list-panel .item-row {
    cursor: pointer;
    padding: 10px 14px;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.mod-list-panel .item-row:hover {
    background: var(--bg-hover);
    border-left-color: var(--border-color);
}

.mod-list-panel .item-row.selected {
    background: var(--accent-light);
    border-left-color: var(--accent);
}

.mod-detail-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    background: var(--bg-primary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 20px;
}

.mod-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.mod-detail-header h3 {
    margin: 0;
    font-size: 16px;
}

.mod-detail-content {
    flex: 1;
    overflow: auto;
    min-height: 0;
}

/* Module inline form */
.mod-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.mod-form-grid .form-group {
    margin: 0;
}

.mod-form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

.mod-form-grid label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mod-form-grid input,
.mod-form-grid textarea,
.mod-form-grid select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.mod-form-grid input:focus,
.mod-form-grid textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79,70,229,0.15);
}

.mod-form-grid input[readonly] {
    opacity: 0.6;
    cursor: not-allowed;
}

.mod-form-grid .color-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mod-form-grid input[type="color"] {
    width: 40px;
    height: 36px;
    padding: 2px;
    cursor: pointer;
    border-radius: 6px;
}

/* Module members section */
.mod-members-section h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mod-members-section h4 .badge {
    font-size: 11px;
    background: var(--accent);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.mod-members-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.mod-members-table th {
    text-align: left;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
}

.mod-members-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--border-color);
}

.mod-members-table tr:hover td {
    background: var(--bg-tertiary);
}

.mod-members-table .member-actions {
    text-align: right;
    white-space: nowrap;
}

.mod-members-table .member-actions button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 14px;
    opacity: 0;
    transition: var(--transition);
}

.mod-members-table tr:hover .member-actions button {
    opacity: 1;
}

.mod-members-table .member-actions button:hover {
    background: var(--bg-tertiary);
    color: var(--accent);
}

.mod-members-table .member-actions button.btn-delete:hover {
    color: var(--danger);
}

/* Module collapsible sections */
.mod-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
    background: var(--bg-card);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.mod-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    background: var(--bg-card);
}

.mod-section-header:hover {
    background: var(--bg-tertiary);
}

.mod-section-chevron {
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
    display: inline-block;
    flex-shrink: 0;
}

.mod-section-chevron.open {
    transform: rotate(90deg);
}

.mod-section-title {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.mod-section-summary {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 400;
}

.mod-section-badge {
    margin-left: auto;
    font-size: 11px;
    background: var(--accent);
    color: white;
    padding: 1px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.mod-section-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
    padding: 0 14px;
}

.mod-section-body.open {
    max-height: 2000px;
    padding: 0 14px 14px 14px;
    border-top: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border-top: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
}

/* Dimension chips grid */
.mod-dims-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mod-dim-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
    min-width: 180px;
    flex: 0 1 calc(50% - 4px);
}

.mod-dim-chip:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}

.mod-dim-chip.active {
    border-color: var(--accent);
    background: rgba(79, 70, 229, 0.08);
    box-shadow: 0 0 0 1px var(--accent);
}

.mod-dim-chip input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.mod-dim-chip-name {
    font-weight: 500;
    font-size: 13px;
    color: var(--text-primary);
}

.mod-dim-chip-info {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: auto;
    white-space: nowrap;
}

/* ======== Dimensions Master-Detail ======== */
.dim-master-detail {
    display: flex;
    flex-direction: row;
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

.dim-list-panel {
    flex: 0 0 auto;
    width: 280px;
    min-width: 180px;
    max-width: 40%;
    overflow-y: auto;
    background: var(--bg-secondary);
    border-radius: var(--radius) 0 0 var(--radius);
    border: 1px solid var(--border-color);
    border-right: none;
    padding: 8px;
}

.dim-list-panel .item-list {
    gap: 4px;
}

.dim-list-panel .item-row {
    cursor: pointer;
    padding: 10px 12px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.dim-list-panel .item-row:hover {
    background: var(--bg-tertiary);
}

.dim-list-panel .item-row.selected {
    background: var(--bg-tertiary);
    border-left-color: var(--accent);
}

.dim-detail-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    min-width: 0;
    background: var(--bg-secondary);
    border-radius: 0 var(--radius) var(--radius) 0;
    border: 1px solid var(--border-color);
    padding: 16px;
}

.dim-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.dim-detail-header h3 {
    margin: 0;
    font-size: 16px;
}

#dim-members-container {
    flex: 1;
    overflow: auto;
    min-height: 0;
}

/* -- Dimension Tree View -- */
.dim-tree {
    display: flex;
    flex-direction: column;
}

/* ═══ Member group cards ═══ */
.mem-group-selector {
    display: flex; gap: 6px; align-items: center;
    padding: 6px 8px; font-size: 11px; color: var(--text-muted);
    border-bottom: 1px solid var(--border-color); flex-wrap: wrap;
}
.mem-group-selector > span { white-space: nowrap; }
.mem-group-btn {
    font-size: 11px; padding: 3px 8px; border: 1px solid var(--border-color);
    border-radius: 4px; background: var(--bg-primary); cursor: pointer;
    transition: all 0.12s;
}
.mem-group-btn:hover { border-color: var(--accent); color: var(--accent); }
.mem-group-btn.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
}
.mem-group-card {
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--module-color, var(--accent));
    border-radius: 6px; margin: 4px 4px 6px;
    background: var(--bg-primary); overflow: hidden;
}
.mem-group-header {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 12px; cursor: pointer;
    background: color-mix(in srgb, var(--module-color, var(--accent)) 6%, var(--bg-secondary));
    font-weight: 600; font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}
.mem-group-header:hover {
    background: color-mix(in srgb, var(--module-color, var(--accent)) 12%, var(--bg-secondary));
}
.mem-group-body { padding: 2px 0; }
.mem-group-card.collapsed .mem-group-body { display: none; }
.mem-group-card.collapsed .mem-group-header { border-bottom: none; }
.mem-group-toggle { font-size: 10px; width: 16px; color: var(--text-muted); }
.mem-group-name { flex: 1; }
.mem-group-count { font-size: 11px; color: var(--text-muted); font-weight: 400; }
.mem-group-ref { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono, monospace); }
.mem-group-card[data-group-key="__orphans__"],
.mem-group-card[data-group-key="__unassigned__"] {
    border-left-color: #94A3B8; opacity: 0.85;
}
.mem-stats-bar {
    display: flex; gap: 8px; align-items: center;
    padding: 5px 8px; font-size: 11px; color: var(--text-muted);
}
.mem-stats-bar .btn-xs { font-size: 10px; padding: 1px 6px; }

/* Members view: tree takes priority, detail panel is compact */
#view-members .md-list-panel { flex: 1 1 auto; width: auto; }
#view-members .md-detail-panel { flex: 0 0 300px; max-width: 340px; transition: flex-basis 0.2s, max-width 0.2s, padding 0.2s; }
#view-members .md-detail-panel.collapsed { flex-basis: 0; max-width: 0; padding: 0; overflow: hidden; border: none; }
#view-members .md-detail-panel .md-detail-toggle {
    position: absolute; top: 8px; right: 8px; cursor: pointer;
    background: var(--bg-tertiary); border: 1px solid var(--border-color);
    border-radius: 4px; width: 24px; height: 24px; display: flex;
    align-items: center; justify-content: center; font-size: 14px; z-index: 1;
}
#view-members .md-detail-panel { position: relative; }

/* Column headers inside group body */
.mem-col-header {
    display: flex; gap: 4px; align-items: center;
    padding: 2px 8px; font-size: 10px; font-weight: 600;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--module-color, var(--accent)) 3%, transparent);
}
.mem-col-h-name { flex: 1; }
.mem-col-h-ref { width: 180px; }
.mem-col-h-level { width: 60px; }

/* Inline add row per group (Excel-like) */
.mem-add-row-inline {
    display: flex; gap: 4px; align-items: center;
    padding: 3px 8px; min-height: 26px;
    border-top: 1px dashed var(--border-color);
    opacity: 0.5; transition: opacity 0.15s;
}
.mem-add-row-inline:hover, .mem-add-row-inline:focus-within { opacity: 1; }
.mem-add-cell {
    flex: 1; padding: 2px 6px; font-size: 12px;
    border: 1px solid transparent; border-radius: 3px;
    min-height: 20px; cursor: text;
}
.mem-add-cell:focus {
    border-color: var(--accent); outline: none;
    background: var(--bg-primary);
}
.mem-add-cell[data-field="ref"] { flex: 0 0 110px; font-family: var(--font-mono, monospace); font-size: 11px; }
.mem-add-cell:empty::before {
    content: attr(data-placeholder); color: var(--text-muted); font-style: italic;
}

/* Member checkbox */
.mem-checkbox {
    width: 14px; height: 14px; margin: 0;
    accent-color: var(--accent); cursor: pointer;
    flex-shrink: 0;
}

/* Row numbers (Excel-like) */
.mem-row-num {
    font-size: 9px; color: var(--text-muted); width: 20px; text-align: right;
    font-family: var(--font-mono, monospace); flex-shrink: 0; user-select: none;
}
.mem-col-h-num { width: 20px; text-align: right; }

/* Zebra striping */
.mem-row-even { background: color-mix(in srgb, var(--accent) 2%, transparent); }
.mem-row-even:hover { background: var(--bg-tertiary); }

/* Sortable column headers */
.mem-sortable { cursor: pointer; user-select: none; }
.mem-sortable:hover { color: var(--accent); }
.mem-sort-icon { font-size: 8px; }

/* Context menu */
.mem-ctx-menu {
    position: fixed; z-index: 9999; min-width: 180px;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 6px; padding: 4px 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    font-size: 12px;
}
.mem-ctx-title {
    padding: 6px 12px; font-weight: 600; font-size: 11px;
    color: var(--text-muted); border-bottom: 1px solid var(--border-color);
    max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mem-ctx-item {
    padding: 6px 12px; cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.mem-ctx-item:hover { background: var(--bg-tertiary); }
.mem-ctx-danger { color: var(--danger); }
.mem-ctx-sep { height: 1px; background: var(--border-color); margin: 3px 8px; }

/* Description column */
.dim-tree-desc {
    font-size: 11px; color: var(--text-secondary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    min-width: 0; cursor: text;
}
.mem-col-h-desc { flex: 1; }

/* Active editing cell highlight (Excel blue border) */
.mem-cell.editing {
    outline: 2px solid var(--accent) !important;
    outline-offset: -1px;
    background: var(--bg-primary);
    border-radius: 2px;
    cursor: text;
}

/* Cell focus (blue outline like Excel active cell) */
.mem-cell-focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
    border-radius: 2px;
    background: color-mix(in srgb, var(--accent) 5%, transparent);
}

/* Edit bar (formula bar) */
.mem-edit-bar {
    display: flex; align-items: center; gap: 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px; height: 28px;
}
.mem-cell-addr {
    flex: 0 0 100px; padding: 0 8px;
    font-weight: 600; font-size: 10px; color: var(--text-muted);
    border-right: 1px solid var(--border-color);
    text-align: center; line-height: 28px;
    font-family: var(--font-mono, monospace);
}
.mem-edit-input {
    flex: 1; border: none; outline: none;
    padding: 0 8px; font-size: 12px; height: 100%;
    background: transparent; color: var(--text-primary);
}
.mem-edit-input:focus { background: var(--bg-primary); }
.mem-edit-input:disabled { color: var(--text-muted); }

/* Status bar */
.mem-status-bar {
    padding: 4px 10px; font-size: 10px;
    color: var(--text-muted); background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 12px;
}

/* Header sticky within group */
.mem-col-header {
    position: sticky; top: 0; z-index: 2;
    background: var(--bg-secondary);
}

/* Column filter dropdown button */
.mem-col-filter {
    font-size: 8px; cursor: pointer; opacity: 0.4;
    margin-left: 2px; padding: 1px 3px; border-radius: 2px;
    transition: opacity 0.1s;
}
.mem-col-h:hover .mem-col-filter { opacity: 1; }
.mem-col-filter:hover { background: var(--accent); color: #fff; opacity: 1; }

/* Column filter dropdown */
.mem-filter-dropdown {
    position: fixed; z-index: 9999; min-width: 180px; max-height: 300px;
    overflow-y: auto; background: var(--bg-primary);
    border: 1px solid var(--border-color); border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15); padding: 4px 0;
}
.mem-filter-title {
    padding: 6px 10px; font-size: 11px; font-weight: 600;
    color: var(--text-muted); border-bottom: 1px solid var(--border-color);
}
.mem-filter-opt {
    display: flex; align-items: center; gap: 6px;
    padding: 3px 10px; font-size: 11px; cursor: pointer;
}
.mem-filter-opt:hover { background: var(--bg-tertiary); }
.mem-filter-opt input { accent-color: var(--accent); }

/* Level badge clickable */
.dim-tree-level { transition: all 0.1s; }
.dim-tree-level:hover { background: var(--accent) !important; color: #fff !important; border-radius: 3px; }

/* Cell borders (Excel-like grid lines) */
.mem-group-body .dim-tree-row { border-bottom: 1px solid color-mix(in srgb, var(--border-color) 40%, transparent); }
.mem-cell { border-right: 1px solid color-mix(in srgb, var(--border-color) 30%, transparent); padding: 0 4px; }
.mem-cell:last-of-type { border-right: none; }

/* Sort indicator in header */
.mem-sortable { position: relative; }
.mem-sortable:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); border-radius: 3px; }

.dim-tree-row {
    display: grid;
    /* drag | checkbox | row-num | indent | toggle | status | name | ref | desc | badges | level | actions */
    grid-template-columns: 20px 18px 28px auto 18px 24px minmax(200px,1fr) minmax(120px,200px) minmax(0,1fr) auto 60px 56px;
    align-items: center;
    padding: 4px 8px;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 40%, transparent);
    font-size: 13px;
    transition: background 0.1s;
    box-sizing: border-box;
    column-gap: 4px;
    overflow: hidden;
}
/* Dimensions view: simpler grid (no checkbox, row-num, desc columns) */
#view-dimensions .dim-tree-row {
    grid-template-columns: auto 18px 24px 1fr minmax(100px,180px) auto 60px 56px;
}

/* Virtual scroll containers */
.vs-container { display: block !important; contain: layout style; }
.vs-viewport { will-change: top; }
.vs-spacer { pointer-events: none; display: block; }

/* Depth-based background tint for readability */
.dim-tree-row[data-depth="0"] { background: transparent; }
.dim-tree-row[data-depth="1"] { background: color-mix(in srgb, var(--accent) 3%, transparent); }
.dim-tree-row[data-depth="2"] { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.dim-tree-row[data-depth="3"] { background: color-mix(in srgb, var(--accent) 9%, transparent); }
.dim-tree-row:hover {
    background: var(--bg-tertiary);
}

.dim-tree-indent {
    white-space: pre;
    font-family: monospace;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1;
}

.tree-connector {
    color: var(--border-color);
    font-weight: 400;
}

.dim-tree-icon {
    text-align: center;
    font-size: 14px;
}

.dim-tree-name {
    min-width: 0;
    flex: 1;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dim-tree-name.is-parent {
    font-weight: 600;
}

.dim-tree-ref {
    font-family: monospace;
    color: var(--text-muted);
    font-size: 10px;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.dim-tree-level {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    text-align: center;
    white-space: nowrap;
    justify-self: center;
}
/* Hide level badge in narrow panels — show on hover */
.md-list-panel .dim-tree-level { display: none; }
.md-list-panel .dim-tree-row:hover .dim-tree-level { display: inline-block; }

.dim-level-parent {
    background: rgba(79, 70, 229, 0.15); /* fallback */
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent);
    font-weight: 600;
}

.dim-level-leaf {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.dim-tree-actions {
    display: flex;
    gap: 2px;
    justify-content: flex-end;
    opacity: 0;
    transition: opacity 0.15s;
}

.dim-tree-row:hover .dim-tree-actions {
    opacity: 1;
}

.dim-tree-actions button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 2px 4px;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.dim-tree-actions button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dim-tree-actions button.btn-del:hover {
    color: var(--danger);
}

/* ======== Bulk Import Modal ======== */
.bulk-import-modal {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bulk-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.bulk-upload-zone:hover, .bulk-upload-zone.drag-over {
    border-color: var(--accent);
    background: rgba(79, 70, 229, 0.05);
}

.bulk-upload-zone p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.bulk-format-help {
    background: var(--bg-tertiary);
    padding: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.bulk-format-help h4 {
    font-size: 12px;
    margin: 0 0 8px 0;
    color: var(--text-secondary);
}

.bulk-format-help .data-table {
    margin: 0;
}

/* ======== Calculate ======== */
.calc-layout {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 0;
}

/* Pipeline section */
.calc-pipeline-section {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}
.calc-progress-bar {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 0;
    min-height: 0;
    transition: all 0.3s;
}
.calc-progress-bar:not(:empty) {
    padding: 8px 16px;
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.08), rgba(79, 70, 229, 0.03));
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}
/* Progress bar */
.calc-progress-wrapper {
    padding: 10px 16px;
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.06), rgba(79, 70, 229, 0.02));
    border-bottom: 1px solid var(--border-color);
}
.calc-progress-header {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600; color: var(--text-primary);
    margin-bottom: 6px;
}
.calc-progress-header #calc-progress-pct {
    font-variant-numeric: tabular-nums;
    color: var(--accent);
    min-width: 36px;
}
.calc-progress-track {
    height: 6px; border-radius: 3px;
    background: var(--bg-tertiary);
    overflow: hidden;
}
.calc-progress-fill {
    height: 100%; border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), #8B5CF6);
    transition: width 0.3s ease;
}
.calc-progress-fill.done { background: #22C55E; }
.calc-progress-fill.error { background: #EF4444; }
.calc-progress-detail {
    font-size: 11px; color: var(--text-muted);
    margin-top: 4px; min-height: 14px;
    font-variant-numeric: tabular-nums;
}
@keyframes progress-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}
.calc-progress-wrapper.active .calc-progress-label {
    animation: progress-pulse 1.5s ease-in-out infinite;
}
.calc-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding: 0;
}
.calc-empty-state {
    padding: 32px;
    text-align: center;
    color: var(--text-secondary);
    width: 100%;
}
.calc-step {
    flex: 1 1 180px;
    padding: 12px 16px;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    position: relative;
    transition: background 0.2s;
    min-width: 0;
}
.calc-step:last-child { border-right: none; }
.calc-step::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--border-color);
    transition: background 0.3s;
}
.calc-step.step-done::before { background: var(--success); }
.calc-step.step-done { background: rgba(22, 163, 74, 0.04); /* fallback */ background: color-mix(in srgb, var(--success) 4%, transparent); }
.calc-step.step-active::before { background: var(--warning); }
.calc-step.step-active { background: rgba(217, 119, 6, 0.06); /* fallback */ background: color-mix(in srgb, var(--warning) 6%, transparent); }
.calc-step.step-error::before { background: var(--danger); }
.calc-step.step-error { background: rgba(220, 38, 38, 0.04); /* fallback */ background: color-mix(in srgb, var(--danger) 4%, transparent); }

.calc-step h3 {
    font-size: 12px;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.calc-step p {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.calc-status {
    font-size: 11px;
    font-weight: 600;
}

/* Results section */
.calc-results-section {
    flex: 1;
    min-height: 0;
}
.calc-results {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}
.calc-results-header {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}
.calc-results-header h3 {
    font-size: 13px;
    margin: 0;
    font-weight: 600;
}
#calc-results-content {
    padding: 12px;
    max-height: 50vh;
    overflow: auto;
}

/* Stress tests section */
.calc-stress-section {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}
.calc-stress-toggle {
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    list-style: none;
    user-select: none;
}
.calc-stress-toggle::-webkit-details-marker { display: none; }
.calc-stress-toggle::before {
    content: '▸ ';
    display: inline;
}
[open] > .calc-stress-toggle::before { content: '▾ '; }
.calc-stress-actions {
    display: flex;
    gap: 8px;
    padding: 8px 16px 12px;
    flex-wrap: wrap;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 8px;
}

.result-card {
    background: var(--bg-primary);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: transform 0.1s, box-shadow 0.1s;
}
.result-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.result-card .rc-module {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 2px;
}

.result-card .rc-name {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-card .rc-amount {
    font-size: 16px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.result-card .rc-breakdown {
    margin-top: 6px;
    font-size: 10px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* ======== Buttons ======== */
.btn-primary, button.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
}

.btn-secondary, button.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 11px;
    border-radius: var(--radius-xs);
    transition: var(--transition);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.btn-sm:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.btn-large {
    padding: 14px 36px;
    font-size: 16px;
    border-radius: var(--radius);
}

/* ======== Modal ======== */
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay.hidden {
    display: none;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 520px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 24px 64px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,0,0,0.05);
    animation: modalSlideIn 0.25s ease-out;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3,
.modal-header .modal-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 70vh;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-top: 1px solid var(--border-subtle);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15); /* fallback */
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

/* ======== Toast ======== */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 6000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    animation: toastSlideIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
    min-width: 250px;
    max-width: 400px;
}

.toast.toast-success {
    border-left: 3px solid var(--success);
}

.toast.toast-error {
    border-left: 3px solid var(--danger);
}

.toast.toast-info {
    border-left: 3px solid var(--accent);
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toastSlideIn {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ======== Settings Page ======== */
#view-settings.active {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
/* ======== Settings Page — sidebar nav layout ======== */
.settings-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
    height: 100%;
    overflow: hidden;
    min-height: calc(100vh - 120px);
}
.settings-nav {
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.settings-nav-header {
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.settings-nav-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    font-variant-emoji: text;
    align-items: center;
    gap: 8px;
}
.settings-nav-links {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}
.settings-nav-group {
    padding: 10px 10px 4px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 12px;
    text-decoration: none;
    transition: all 0.12s;
    line-height: 1.3;
    user-select: none;
}
.settings-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.settings-nav-item.active {
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}
.settings-nav-item .sn-icon {
    width: 20px;
    text-align: center;
    font-size: 14px;
    flex-shrink: 0;
    opacity: 0.8;
    font-variant-emoji: text;
    -webkit-text-stroke: 0;
}
.settings-nav-item.active .sn-icon { opacity: 1; }
.settings-nav-item.sn-danger {
    color: var(--danger);
}
.settings-nav-item.sn-danger.active {
    background: var(--danger);
    color: #fff;
}
.settings-nav-footer {
    padding: 10px 12px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.settings-nav-footer .settings-nav-action {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-muted);
    transition: all 0.12s;
}
.settings-nav-footer .settings-nav-action:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Main scrollable content area */
.settings-main {
    flex: 1;
    overflow-y: auto;
    padding: 28px 36px 40px;
    scroll-behavior: smooth;
}
.settings-article {
    max-width: 720px;
    margin-bottom: 40px;
    scroll-margin-top: 16px;
}
.settings-article-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.settings-article-title .sa-icon {
    font-size: 22px;
    opacity: 0.7;
    font-variant-emoji: text;
}
.settings-article-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0 0 18px 0;
    line-height: 1.5;
}
.settings-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 14px;
    transition: box-shadow 0.15s;
}
.settings-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.settings-card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.settings-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    flex-wrap: wrap;
}
.settings-row + .settings-row {
    border-top: 1px solid color-mix(in srgb, var(--border-color) 30%, transparent);
}
.settings-label {
    min-width: 180px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}
.settings-value {
    font-size: 13px;
    color: var(--text-primary);
}
.settings-input {
    flex: 1;
    min-width: 120px;
    padding: 6px 10px;
    font-size: 13px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}
.settings-input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(99,102,241,0.15);
}
.settings-input-sm {
    max-width: 100px;
    flex: 0;
}
.settings-textarea {
    flex: 1;
    min-width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    resize: vertical;
    font-family: inherit;
}
.settings-textarea:focus {
    border-color: var(--accent);
    outline: none;
}
.settings-hint {
    font-size: 11px;
    color: var(--text-muted, #94A3B8);
    flex-basis: 100%;
    margin-left: 190px;
    padding-top: 2px;
    line-height: 1.4;
}
.settings-toggle {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}
.settings-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #94A3B8;
    border-radius: 22px;
    transition: var(--transition);
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.settings-toggle input:checked + .toggle-slider {
    background: var(--accent);
}
.settings-toggle input:checked + .toggle-slider::before {
    transform: translateX(18px);
}
.settings-info {
    background: color-mix(in srgb, var(--accent) 5%, var(--bg-secondary));
    border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 8px;
}
.settings-info p { margin: 0 0 4px 0; }
.settings-info p:last-child { margin-bottom: 0; }

/* ── Danger Zone ── */
.settings-danger-zone {
    border: 2px solid var(--danger) !important;
    background: color-mix(in srgb, var(--danger) 3%, var(--bg-primary)) !important;
}
.settings-danger-actions {
    display: flex; flex-direction: column; gap: 12px; margin-top: 10px;
}
.settings-danger-card {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 12px 16px; border: 1px solid color-mix(in srgb, var(--danger) 20%, var(--border));
    border-radius: 8px; background: var(--bg-primary);
}
.settings-danger-info {
    display: flex; flex-direction: column; gap: 2px; flex: 1;
}
.settings-danger-info strong { font-size: 13px; color: var(--text-primary); }
.settings-danger-info span { font-size: 11px; color: var(--text-muted); line-height: 1.4; }
.btn-danger-outline {
    white-space: nowrap; padding: 6px 14px; border-radius: 6px; font-size: 12px; font-weight: 600;
    background: transparent; color: var(--danger); border: 1.5px solid var(--danger);
    cursor: pointer; transition: all 0.15s;
}
.btn-danger-outline:hover { background: var(--danger); color: #fff; }
.btn-danger-solid {
    white-space: nowrap; padding: 6px 14px; border-radius: 6px; font-size: 12px; font-weight: 700;
    background: var(--danger); color: #fff; border: 1.5px solid var(--danger);
    cursor: pointer; transition: all 0.15s;
}
.btn-danger-solid:hover { background: #991B1B; border-color: #991B1B; }

/* ── Responsive ── */
@media (max-width: 800px) {
    .settings-layout { grid-template-columns: 1fr; }
    .settings-nav { display: none; }
    .settings-main { padding: 16px; }
    .settings-hint { margin-left: 0; }
}

/* ======== Scrollbar ======== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #475569;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #64748B;
}

/* ======== BPMN Rotation Handle ======== */
.bpmn-rotate-handle { filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3)); }
.bpmn-rotate-handle:hover { r: 7; fill: #16A34A; cursor: grabbing; }

/* ======== BPMN Export Dropdown ======== */
.bpmn-export-dropdown { position: relative; display: inline-block; }
.bpmn-export-menu {
    display: none; position: absolute; top: 100%; right: 0;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.18);
    min-width: 200px; padding: 4px 0; z-index: 100;
}
.bpmn-export-menu.show { display: block; }
.bpmn-export-menu > div {
    padding: 8px 14px; cursor: pointer; font-size: 12px;
    display: flex; align-items: center; gap: 6px;
    white-space: nowrap;
}
.bpmn-export-menu > div:hover { background: var(--bg-tertiary); }
.bpmn-export-sep { height: 1px !important; background: var(--border-color); margin: 4px 8px !important; padding: 0 !important; cursor: default !important; }

/* ======== BPMN Breadcrumb ======== */
.bpmn-breadcrumb {
    padding: 2px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: 11px;
    display: flex;
    align-items: center;
    min-height: 0;
}
.bpmn-breadcrumb:empty { display: none;
    gap: 2px;
    min-height: 30px;
}

.breadcrumb-item {
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 3px;
    transition: var(--transition);
}

.breadcrumb-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
    cursor: default;
}

.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 10px;
}

.breadcrumb-folder {
    color: var(--primary);
    font-weight: 500;
}
.breadcrumb-folder:hover {
    background: rgba(99, 102, 241, 0.08);
}
.breadcrumb-folder.active {
    color: var(--primary);
    font-weight: 700;
}

/* ======== BPMN Editor ======== */
.bpmn-layout {
    display: grid;
    grid-template-columns: 180px 1fr 0px;
    gap: 0;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    transition: grid-template-columns 0.25s ease;
}
.bpmn-layout.props-open {
    grid-template-columns: 180px 1fr 280px;
}

/* ══ Office/PowerPoint-style Ribbon ══ */
.bpmn-ribbon {
    display: flex;
    flex-direction: column;
    background: #f3f3f3;
    flex-shrink: 0;
}
[data-theme="dark"] .bpmn-ribbon { background: var(--bg-secondary); }

/* ── Tab bar (top row) ── */
.bpmn-ribbon-tabs {
    display: flex; gap: 0; padding: 0 4px;
    background: #e6e6e6;
    height: 22px; align-items: stretch;
}
[data-theme="dark"] .bpmn-ribbon-tabs { background: var(--bg-primary); }

.bpmn-ribbon-tab {
    padding: 0 12px; font-size: 12px; font-weight: 400;
    border: none; background: transparent; cursor: pointer;
    color: #444; position: relative;
    white-space: nowrap; line-height: 22px;
    border-top: 3px solid transparent;
    margin-top: -1px;
}
[data-theme="dark"] .bpmn-ribbon-tab { color: var(--text-secondary); }
.bpmn-ribbon-tab:hover { background: rgba(0,0,0,0.04); }
[data-theme="dark"] .bpmn-ribbon-tab:hover { background: rgba(255,255,255,0.05); }

.bpmn-ribbon-tab.active {
    background: #f3f3f3;
    color: #1a1a1a; font-weight: 500;
    border-top-color: #217346;
    border-left: 1px solid #d0d0d0;
    border-right: 1px solid #d0d0d0;
}
[data-theme="dark"] .bpmn-ribbon-tab.active {
    background: var(--bg-secondary); color: var(--text-primary);
    border-top-color: var(--accent);
    border-left-color: var(--border-color); border-right-color: var(--border-color);
}

/* ── Content pane (the wide band) ── */
.bpmn-ribbon-pane {
    display: none;
    align-items: stretch;
    padding: 3px 6px 0;
    height: 72px;
    overflow-x: auto; overflow-y: hidden;
    border-bottom: 1px solid #d0d0d0;
}
[data-theme="dark"] .bpmn-ribbon-pane { border-bottom-color: var(--border-color); }
.bpmn-ribbon-pane.active { display: flex; }
/* Ribbon group — Office: items top, label bottom, vertical separator right */
.ribbon-group {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2px 10px 0;
    min-width: 0;
    border-right: 1px solid #d4d4d4;
}
[data-theme="dark"] .ribbon-group { border-right-color: var(--border-color); }
.ribbon-group:last-child { border-right: none; }
.ribbon-group-label {
    font-size: 10px;
    font-weight: 400;
    color: #777;
    text-align: center;
    white-space: nowrap;
    padding: 2px 0 1px;
    line-height: 1;
}
[data-theme="dark"] .ribbon-group-label { color: var(--text-muted); }
.ribbon-group-items {
    display: flex;
    align-items: center;
    gap: 3px;
    flex: 1;
    flex-wrap: wrap;
}
.ribbon-sep {
    display: none; /* replaced by ribbon-group border-right */
}
.ribbon-shape {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px 8px !important;
    margin: 0 !important;
    font-size: 10px !important;
    gap: 2px;
    min-width: 44px;
    text-align: center;
    border-radius: 4px !important;
}
.ribbon-icon {
    font-size: 16px;
    line-height: 1;
}
.ribbon-sub {
    display: flex;
    align-items: center;
    gap: 3px;
}
.ribbon-sub label {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}
.ribbon-select {
    padding: 2px 4px;
    font-size: 10px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-primary);
    color: var(--text-primary);
    max-width: 80px;
}
.ribbon-btn {
    padding: 4px 10px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.12s;
}
.ribbon-btn:hover { background: var(--bg-tertiary); box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.ribbon-btn-icon { min-width: 24px; padding: 3px 4px; text-align: center; font-size: 11px; }
.ribbon-btn-sm { font-size: 10px; padding: 3px 5px; }
.ribbon-btn-toggle {
    padding: 2px 6px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 12px;
    min-width: 24px;
    height: 24px;
    line-height: 18px;
    transition: all 0.12s;
}
.ribbon-btn-toggle:hover { background: var(--bg-tertiary); }
.ribbon-btn-toggle.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.ribbon-range {
    width: 60px;
    height: 14px;
    accent-color: var(--accent);
}
.ribbon-color-row {
    display: flex;
    gap: 2px;
    flex-wrap: nowrap;
}
.ribbon-color-row .bpmn-color-swatch {
    width: 16px; height: 16px; border-radius: 3px;
}
.bpmn-palette {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Palette tab bar */
.palette-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.palette-tab {
    flex: 1;
    padding: 7px 4px;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.12s;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.palette-tab:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.palette-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: var(--bg-primary);
}
.palette-tab-pane {
    flex: 1;
    overflow-y: auto;
    padding: 10px 12px;
}

/* Navigation tree items */
.nav-tree-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px;
    font-size: 11px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.1s;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.nav-tree-item:hover { background: var(--bg-tertiary); }
.nav-tree-item.active { background: var(--accent); color: #fff; }
.nav-tree-item .nav-tree-icon { flex-shrink: 0; width: 16px; text-align: center; font-size: 12px; }
.nav-tree-item .nav-tree-label { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-tree-item .nav-tree-badge {
    font-size: 9px; padding: 1px 5px; border-radius: 8px;
    background: var(--bg-tertiary); color: var(--text-muted);
}

/* Keyboard shortcuts cheatsheet */
.palette-shortcuts { font-size: 10px; }
.shortcut-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0;
    color: var(--text-secondary);
}
.shortcut-row kbd {
    display: inline-block;
    padding: 1px 5px;
    font-size: 9px;
    font-family: 'SF Mono', 'Consolas', monospace;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    color: var(--text-primary);
    min-width: 55px;
    text-align: center;
    white-space: nowrap;
}

/* Presentation mode (F11) */
body.bpmn-presentation .bpmn-ribbon,
body.bpmn-presentation .bpmn-palette,
body.bpmn-presentation #bpmn-props-panel,
body.bpmn-presentation .nav-bar,
body.bpmn-presentation .bpmn-breadcrumb,
body.bpmn-presentation .view-header,
body.bpmn-presentation .app-title {
    display: none !important;
}
body.bpmn-presentation .bpmn-layout {
    grid-template-columns: 0 1fr 0 !important;
}
body.bpmn-presentation .bpmn-canvas { border-radius: 0; }

.bpmn-palette h4 {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
    font-weight: 700;
}

.palette-item {
    padding: 7px 10px;
    margin-bottom: 3px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 12px;
    cursor: grab;
    transition: all 0.15s ease;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
}
.palette-item .palette-icon {
    flex-shrink: 0;
    width: 28px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.palette-item .palette-icon svg { transition: transform 0.15s; }
.palette-item .palette-label { font-size: 11px; font-weight: 500; }

.palette-item:hover {
    background: var(--accent-light, #EEF2FF);
    color: var(--accent);
    border-color: var(--accent);
}
.palette-item:hover .palette-icon svg { transform: scale(1.15); }

.palette-item:active {
    cursor: grabbing;
    background: var(--accent);
    color: white;
    transform: scale(0.97);
}

.palette-group + .palette-group {
    margin-top: 10px;
}

.palette-excel {
    border-left: 3px solid #217346;
}

.palette-db {
    border-left: 3px solid #3B82F6;
}

#bpmn-prop-color, #bpmn-conn-color {
    width: 100%;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: transparent;
    padding: 2px;
}

.bpmn-canvas {
    position: relative;
    overflow: hidden;
    /* Dot grid background like Visio / Draw.io */
    background-color: var(--bg-primary);
    background-image: radial-gradient(circle, #CBD5E1 0.7px, transparent 0.7px);
    background-size: 20px 20px;
}

/* Loading spinner overlay during heavy renders */
.bpmn-render-spinner {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(15,23,42,0.85);
    color: #E2E8F0;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    pointer-events: none;
}
.bpmn-spinner-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    border: 2px solid #818CF8;
    border-top-color: transparent;
    animation: bpmn-spin 0.6s linear infinite;
}
@keyframes bpmn-spin { to { transform: rotate(360deg); } }

#bpmn-svg {
    width: 100%;
    height: 100%;
}

.bpmn-properties {
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, padding 0.2s ease;
}
.bpmn-layout.props-open .bpmn-properties {
    padding: 12px;
    opacity: 1;
    pointer-events: auto;
    overflow-y: auto;
}

.bpmn-properties h4 {
    font-size: 12px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.bpmn-props-pin {
    cursor: pointer;
    font-size: 14px;
    opacity: 0.5;
    transition: opacity 0.15s, transform 0.15s;
    user-select: none;
    padding: 2px 4px;
    border-radius: 4px;
}
.bpmn-props-pin:hover { opacity: 0.8; background: var(--bg-tertiary); }
.bpmn-props-pin.pinned { opacity: 1; transform: rotate(45deg); color: var(--primary); }

.bpmn-element-selected {
    filter: drop-shadow(0 0 8px var(--accent)) drop-shadow(0 0 2px var(--accent));
}
@keyframes bpmn-march { to { stroke-dashoffset: -7; } }

/* ======== Drivers ======== */
.drivers-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.drivers-list-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
}

.drivers-list-panel h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.drivers-values-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.drivers-values-panel h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* Driver list header */
.drv-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.drv-list-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.drv-count-badge {
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 7px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Driver list filters */
.drv-filters {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 10px;
}
.drv-search-input {
    width: 100%;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    box-sizing: border-box;
}
.drv-search-input:focus {
    outline: none;
    border-color: var(--accent);
}
.drv-filter-row {
    display: flex;
    gap: 6px;
}
.drv-filter-select {
    flex: 1;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    min-width: 0;
}

/* Driver detail header & stats */
.drv-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: 8px;
}
.drv-detail-header h3 {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}
.drv-stats {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-muted);
}
.drv-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-tertiary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}
.drv-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Driver type badges */
.drv-type-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    white-space: nowrap;
    line-height: 16px;
}
.drv-type-badge[data-type="0"] { background: #E0E7FF; color: #3730A3; }
.drv-type-badge[data-type="1"] { background: #DBEAFE; color: #1D4ED8; }
.drv-type-badge[data-type="2"] { background: #FEF3C7; color: #92400E; }
.drv-type-badge[data-type="3"] { background: #D1FAE5; color: #065F46; }
.drv-type-badge[data-type="4"] { background: #E0E7FF; color: #4338CA; }
.drv-type-badge[data-type="5"] { background: #FDE68A; color: #78350F; }
.drv-type-badge[data-type="6"] { background: #FEE2E2; color: #991B1B; }
.drv-type-badge[data-type="7"] { background: #EDE9FE; color: #5B21B6; }

/* Driver config display */
.drv-config-block {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    margin: 8px 0;
    font-size: 12px;
}
.drv-config-block h5 {
    margin: 0 0 6px 0;
    font-size: 12px;
    color: var(--accent);
}
.drv-config-block code {
    font-family: 'Fira Code', 'Consolas', monospace;
    background: var(--bg-tertiary);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 11px;
}
.drv-config-row {
    display: flex;
    gap: 8px;
    align-items: baseline;
    padding: 2px 0;
}
.drv-config-row .label {
    color: var(--text-muted);
    min-width: 100px;
    font-size: 11px;
}
.drv-config-row .value {
    font-weight: 500;
    color: var(--text-primary);
}

/* ======== Adaptive Driver Panel ======== */
.drv-adaptive-header {
    flex-shrink: 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}
.drv-adaptive-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}
.drv-adaptive-actions {
    display: flex;
    gap: 4px;
}
.drv-adaptive-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 11px;
}
.drv-inline-editable {
    outline: none;
    cursor: text;
    padding: 0 4px;
    border-radius: 4px;
    transition: background 0.2s;
    min-width: 80px;
}
.drv-inline-editable:hover {
    background: var(--bg-tertiary);
}
.drv-inline-editable:focus {
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 2px var(--accent);
}

/* Save button dirty state */
.drv-save-dirty {
    background: #F59E0B !important;
    border-color: #D97706 !important;
    animation: drv-pulse 1.5s ease-in-out infinite;
}
@keyframes drv-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.4); }
    50% { box-shadow: 0 0 0 4px rgba(245,158,11,0); }
}

.drv-adaptive-config {
    flex-shrink: 1;
    overflow-y: auto;
    max-height: 25vh;
    padding-right: 4px;
    scrollbar-width: thin;
}

.drv-config-quick-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}
.drv-config-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.drv-config-field label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.drv-config-field select,
.drv-config-field input {
    font-size: 12px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}
.drv-config-field select:focus,
.drv-config-field input:focus {
    outline: none;
    border-color: var(--accent);
}

.drv-type-hint {
    background: #F0F9FF;
    border: 1px solid #BAE6FD;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
[data-theme="dark"] .drv-type-hint {
    background: #0C2D48;
    border-color: #1E4D6E;
}

.drv-type-explanation {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin: 8px 0;
    text-align: center;
}

.drv-type-section {
    background: var(--bg-primary);
    padding: 12px;
    border-radius: 8px;
    margin: 8px 0;
    border: 1px solid var(--border-color);
}

/* Matrix section (collapsible) — takes remaining flex space */
.drv-matrix-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    margin-top: 8px;
}
#drv-matrix-collapsible {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}
.drv-matrix-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 4px;
    cursor: pointer;
    border-top: 1px solid var(--border-color);
    user-select: none;
    flex-shrink: 0;
}
.drv-matrix-toggle:hover {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

/* Formula bar */
.fx-bar-wrapper {
    position: relative;
}
.fx-bar-container {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: border-color 0.2s;
}
.fx-bar-container:focus-within {
    border-color: var(--accent);
}
.fx-bar-prefix {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Fira Code', 'Consolas', monospace;
    font-weight: 700;
    font-size: 14px;
    color: var(--accent);
    pointer-events: none;
    z-index: 1;
}
.fx-bar-highlight {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    padding: 8px 10px 8px 28px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow: hidden;
    color: var(--text-primary);
    z-index: 0;
}
.fx-bar-input {
    width: 100%;
    padding: 8px 10px 8px 28px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
    border: none;
    background: transparent;
    color: transparent;
    caret-color: var(--text-primary);
    outline: none;
    resize: vertical;
    min-height: 40px;
    position: relative;
    z-index: 1;
}
.fx-bar-input::selection {
    background: rgba(79, 70, 229, 0.3);
    color: transparent;
}
/* Syntax highlight colors */
.fx-fn { color: #7C3AED; font-weight: 600; }
.fx-var { color: #0369A1; font-weight: 600; }
.fx-num { color: #B45309; }
.fx-str { color: #059669; }
.fx-op { color: #6B7280; font-weight: 600; }
.fx-paren { color: #9333EA; }
.fx-err { color: #DC2626; text-decoration: wavy underline red; }

/* Formula validation status */
.fx-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 4px;
    margin-top: 4px;
}
.fx-status.valid { background: #F0FDF4; color: #16A34A; }
.fx-status.invalid { background: #FEF2F2; color: #DC2626; }
.fx-status.empty { background: var(--bg-tertiary); color: var(--text-muted); }

/* Autocomplete dropdown */
.fx-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    max-height: 200px;
    overflow-y: auto;
    display: none;
}
.fx-autocomplete.visible { display: block; }
.fx-ac-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 12px;
    border-bottom: 1px solid var(--bg-tertiary);
}
.fx-ac-item:hover, .fx-ac-item.selected {
    background: var(--accent);
    color: #fff;
}
.fx-ac-item:hover .fx-ac-badge, .fx-ac-item.selected .fx-ac-badge { background: rgba(255,255,255,0.2); color: #fff; }
.fx-ac-item:hover .fx-ac-desc, .fx-ac-item.selected .fx-ac-desc { color: rgba(255,255,255,0.8); }
.fx-ac-badge {
    font-size: 9px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 3px;
    text-transform: uppercase;
    flex-shrink: 0;
}
.fx-ac-badge.fn { background: #EDE9FE; color: #7C3AED; }
.fx-ac-badge.var { background: #DBEAFE; color: #1D4ED8; }
.fx-ac-badge.abc { background: #FDE68A; color: #78350F; }
.fx-ac-badge.ref { background: #D1FAE5; color: #065F46; }
.fx-ac-name { font-weight: 600; font-family: 'Fira Code', 'Consolas', monospace; }
.fx-ac-desc { color: var(--text-muted); font-size: 11px; margin-left: auto; }

/* Formula reference picker */
.fx-picker {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 8px;
    overflow: hidden;
    background: var(--bg-primary);
}
.fx-picker-toolbar {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 4px 6px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}
.fx-picker-tab {
    font-size: 10px;
    padding: 3px 8px;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.15s;
}
.fx-picker-tab:hover { background: var(--bg-secondary); }
.fx-picker-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.fx-picker-filter {
    display: flex;
    gap: 4px;
    padding: 4px 6px;
    border-bottom: 1px solid var(--border-color);
}
.fx-picker-filter input, .fx-picker-filter select {
    font-size: 11px;
    padding: 3px 6px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    flex: 1;
    min-width: 0;
}
.fx-picker-list {
    max-height: 160px;
    overflow-y: auto;
    padding: 2px;
}
.fx-pick-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.1s;
}
.fx-pick-item:hover {
    background: var(--accent);
    color: #fff;
}
.fx-pick-item:hover .fx-pick-ref { color: rgba(255,255,255,0.7); }
.fx-pick-item:hover .fx-pick-badge { background: rgba(255,255,255,0.2); color: #fff; }
.fx-pick-item:hover .fx-pick-formula { color: rgba(255,255,255,0.8); }
.fx-pick-badge {
    font-size: 9px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 3px;
    flex-shrink: 0;
}
.fx-pick-badge.mod { background: #DBEAFE; color: #1D4ED8; }
.fx-pick-badge.dim { background: #EDE9FE; color: #7C3AED; }
.fx-pick-badge.mem { background: #D1FAE5; color: #065F46; }
.fx-pick-badge.drv { background: #FDE68A; color: #78350F; }
.fx-pick-badge.fn { background: #E0E7FF; color: #3730A3; }
.fx-pick-name { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
.fx-pick-ref { color: var(--text-muted); font-size: 10px; flex-shrink: 0; }
.fx-pick-formula { color: var(--text-muted); font-family: 'Fira Code', monospace; font-size: 10px; margin-left: auto; flex-shrink: 0; }

/* Inline tooltips for modal help */
.fx-help {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 700;
    cursor: help;
    position: relative;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    margin-left: 4px;
    vertical-align: middle;
}
.fx-help:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.fx-help:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: #1E293B;
    color: #F8FAFC;
    font-size: 11px;
    font-weight: 400;
    padding: 8px 12px;
    border-radius: 6px;
    white-space: pre-line;
    max-width: 320px;
    min-width: 180px;
    z-index: 2500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    line-height: 1.4;
    pointer-events: none;
}
.fx-help:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1E293B;
    z-index: 2500;
}
/* Variable chips in formula help */
.fx-var-chip {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-family: 'Fira Code', monospace;
    font-size: 10px;
    font-weight: 600;
    cursor: help;
    position: relative;
}
.fx-var-chip.var { background: #DBEAFE; color: #1D4ED8; }
.fx-var-chip.fn { background: #FDE68A; color: #78350F; }
.fx-var-chip.op { background: #E0E7FF; color: #3730A3; }

/* Hierarchy picker selection bar */
#fx-picker-selection-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--accent-alpha, rgba(99,102,241,0.08));
    border: 1px solid var(--accent);
    border-radius: 4px;
    margin: 4px 2px;
    flex-wrap: wrap;
}
/* Hierarchy tree items */
.fx-pick-item.tree-group {
    font-weight: 600;
    background: var(--bg-secondary);
}
.fx-pick-item.tree-group .fx-pick-name {
    font-weight: 600;
}
.fx-pick-item .fx-tree-toggle {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    border-radius: 3px;
    margin-right: 2px;
}
.fx-pick-item .fx-tree-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.fx-pick-item .fx-tree-cb {
    width: 14px;
    height: 14px;
    margin-right: 4px;
    flex-shrink: 0;
    accent-color: var(--accent);
    cursor: pointer;
}
.fx-pick-item.selected {
    background: rgba(99,102,241,0.12);
    border-left: 3px solid var(--accent);
}
.fx-pick-item.selected:hover {
    background: rgba(99,102,241,0.2);
}
.fx-pick-level-tag {
    font-size: 8px;
    padding: 0 4px;
    border-radius: 3px;
    font-weight: 700;
    flex-shrink: 0;
}
.fx-pick-level-tag.n2 { background: #FDE68A; color: #78350F; }
.fx-pick-level-tag.n1 { background: #E0E7FF; color: #3730A3; }
.fx-pick-level-tag.n0 { background: #D1FAE5; color: #065F46; }
.fx-pick-children-count {
    font-size: 9px;
    color: var(--text-muted);
    padding: 0 4px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    flex-shrink: 0;
}

/* Matrix filters row */
.driver-matrix-filters {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
    flex-shrink: 0;
    flex-wrap: wrap;
    align-items: center;
    align-items: center;
}

.driver-matrix-filters select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
}
.drv-matrix-search {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    width: 140px;
}
.drv-matrix-search:focus {
    outline: none;
    border-color: var(--accent);
}
.drv-checkbox-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}
.drv-checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
}
.drv-matrix-count {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: auto;
}

#driver-matrix-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

#driver-matrix-table input[type="number"] {
    width: 70px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 4px 6px;
    border-radius: 3px;
    font-size: 12px;
    text-align: right;
}

#driver-matrix-table input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

/* ======== Excel-like Matrix Grid ======== */
.mx-grid {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    outline: none;
    font-size: 12px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* Info bar (legacy — now replaced by .mx-toolbar) */
.mx-info-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
    font-size: 11px;
    min-height: 26px;
    flex-shrink: 0;
    user-select: none;
}
.mx-cell-ref {
    font-weight: 700;
    color: var(--text-primary);
    min-width: 60px;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    text-align: center;
}
.mx-cell-val {
    color: var(--text-secondary);
    flex: 1;
}

/* Table wrapper — scrollable */
.mx-table-wrap {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-top: none;
    position: relative;
}

/* Table base */
.mx-table {
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
    font-size: 12px;
    min-width: 100%;
}

/* Corner cell (top-left) */
.mx-corner {
    width: 30px;
    min-width: 30px;
    background: var(--bg-tertiary);
    border-right: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
    z-index: 12;
    position: sticky;
    top: 0;
    left: 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 600;
}

/* Sticky header row */
.mx-header-row th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    padding: 4px 6px;
    text-align: center;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
    cursor: default;
    user-select: none;
}

/* Column header */
.mx-col-hdr {
    width: 80px;
    min-width: 80px;
}
.mx-col-hdr.mx-sel-col {
    background: rgba(79, 70, 229, 0.15) !important;
    color: var(--accent);
}

/* Row label header */
.mx-row-label-hdr {
    width: 160px;
    min-width: 160px;
    text-align: left !important;
    position: sticky;
    left: 30px;
    z-index: 11;
    border-right: 2px solid var(--border-color) !important;
}

/* Total column header */
.mx-total-col-hdr {
    width: 80px;
    min-width: 80px;
    background: var(--bg-tertiary) !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    border-left: 2px solid var(--border-color);
}

/* Body rows */
.mx-table tbody tr {
    transition: none;
}
.mx-table tbody tr:hover .mx-row-num,
.mx-table tbody tr:hover .mx-row-label {
    background: rgba(79, 70, 229, 0.05);
}

/* Row number cell — sticky left */
.mx-row-num {
    width: 30px;
    min-width: 30px;
    position: sticky;
    left: 0;
    z-index: 5;
    background: var(--bg-tertiary);
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    border-right: 2px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 2px;
    user-select: none;
}
.mx-row-num.mx-sel-row {
    background: rgba(79, 70, 229, 0.15) !important;
    color: var(--accent);
}

/* Row label cell — sticky left (after row num) */
.mx-row-label {
    width: 160px;
    min-width: 160px;
    position: sticky;
    left: 30px;
    z-index: 5;
    background: var(--bg-secondary);
    border-right: 2px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 3px 6px;
    font-weight: 500;
    font-size: 11px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: default;
    user-select: none;
}

/* Data cells */
.mx-cell {
    padding: 2px 4px;
    text-align: right;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    cursor: cell;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    font-size: 12px;
    min-width: 80px;
    width: 80px;
    position: relative;
    user-select: none;
    background: var(--bg-secondary);
    transition: none;
}
.mx-cell.mx-has-val {
    color: var(--text-primary);
    font-weight: 500;
}

/* Selection highlight */
.mx-cell.mx-selected {
    background: rgba(79, 70, 229, 0.12) !important;
    outline: none;
}

/* Single-cell focus (anchor == current) */
.mx-cell.mx-selected:only-of-type,
.mx-grid:focus .mx-cell.mx-selected {
    box-shadow: inset 0 0 0 2px var(--accent);
}

/* Active editing cell */
.mx-cell.mx-editing {
    padding: 0;
    background: var(--bg-secondary) !important;
    box-shadow: inset 0 0 0 2px var(--accent), 0 0 6px rgba(79, 70, 229, 0.3);
    z-index: 2;
}

/* Inline edit input */
.mx-edit-input {
    width: 100%;
    height: 100%;
    min-height: 24px;
    padding: 2px 4px;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    text-align: right;
    font-family: inherit;
    box-sizing: border-box;
}

/* Row totals */
.mx-row-total {
    padding: 2px 6px;
    text-align: right;
    font-weight: 700;
    font-size: 12px;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    border-left: 2px solid var(--border-color);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    min-width: 80px;
    width: 80px;
}

/* Total row (bottom) */
.mx-total-row td {
    position: sticky;
    bottom: 0;
    z-index: 6;
    background: var(--bg-tertiary);
    border-top: 2px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 12px;
    color: var(--text-primary);
    padding: 4px 6px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.mx-total-row .mx-row-num,
.mx-total-row .mx-row-label {
    background: var(--bg-tertiary);
    z-index: 8;
}

/* Column totals */
.mx-col-total {
    white-space: nowrap;
}

/* Grand total */
.mx-grand-total {
    font-weight: 800 !important;
    font-size: 13px !important;
    color: var(--accent) !important;
    border-left: 2px solid var(--border-color);
    background: var(--bg-tertiary) !important;
}

/* Dark theme adjustments */
[data-theme="dark"] .mx-cell.mx-selected {
    background: rgba(99, 102, 241, 0.2) !important;
}
[data-theme="dark"] .mx-cell.mx-editing {
    box-shadow: inset 0 0 0 2px var(--accent), 0 0 8px rgba(99, 102, 241, 0.4);
}
[data-theme="dark"] .mx-row-num.mx-sel-row,
[data-theme="dark"] .mx-col-hdr.mx-sel-col {
    background: rgba(99, 102, 241, 0.25) !important;
}

/* Hover on data cells */
.mx-cell:hover:not(.mx-selected):not(.mx-editing) {
    background: rgba(79, 70, 229, 0.04);
}

/* Scrollbar styling for table wrapper */
.mx-table-wrap::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.mx-table-wrap::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}
.mx-table-wrap::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
.mx-table-wrap::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}
.mx-table-wrap::-webkit-scrollbar-corner {
    background: var(--bg-tertiary);
}

/* ── Matrix Toolbar (replaces info bar) ── */
.mx-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
    font-size: 11px;
    min-height: 28px;
    flex-shrink: 0;
    user-select: none;
}
.mx-tb-btn {
    padding: 2px 8px;
    font-size: 10px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
}
.mx-tb-btn:hover { background: var(--bg-tertiary); }
.mx-tb-btn.mx-tb-active {
    background: rgba(79, 70, 229, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}
.mx-tb-select {
    padding: 2px 6px;
    font-size: 10px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
}

/* ── Hierarchy: Group rows ── */
.mx-group-row {
    background: var(--bg-tertiary) !important;
}
.mx-group-row .mx-row-label-group {
    background: var(--bg-tertiary) !important;
}
.mx-group-row td {
    border-bottom: 1px solid var(--border-color);
}
.mx-cell-group {
    font-weight: 600 !important;
    font-style: italic;
    color: var(--text-secondary) !important;
    cursor: default !important;
}
.mx-cell-group.mx-has-val {
    color: var(--text-primary) !important;
}
.mx-row-total-group {
    font-weight: 800 !important;
}

/* Tree toggle */
.mx-tree-toggle {
    cursor: pointer;
    display: inline-block;
    width: 16px;
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    margin-right: 2px;
    border-radius: 2px;
    vertical-align: middle;
}
.mx-tree-toggle:hover {
    background: var(--accent);
    color: white;
}
.mx-tree-leaf-icon {
    color: var(--text-muted);
    font-size: 8px;
    vertical-align: middle;
}
.mx-group-count {
    font-size: 10px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}
.mx-tree-badge {
    font-size: 9px;
    font-weight: 400;
    color: var(--success);
    vertical-align: middle;
}

/* Depth-based zebra striping */
.mx-depth-0 { }
.mx-depth-1 .mx-row-label { opacity: 0.95; }
.mx-depth-2 .mx-row-label { opacity: 0.9; }
.mx-depth-3 .mx-row-label { opacity: 0.85; }
.mx-group-row.mx-depth-0 { background: var(--bg-tertiary) !important; }
.mx-group-row.mx-depth-1 { background: rgba(79, 70, 229, 0.04) !important; }
.mx-group-row.mx-depth-1 .mx-row-label-group { background: rgba(79, 70, 229, 0.04) !important; }

/* ── Column filter ── */
.mx-col-hdr {
    position: relative;
}
.mx-col-hdr-text {
    display: inline;
}
.mx-col-filter-icon {
    font-size: 8px;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
    margin-left: 2px;
    vertical-align: middle;
}
.mx-col-hdr:hover .mx-col-filter-icon {
    opacity: 1;
}
.mx-col-filter-icon:hover {
    color: var(--accent);
}

/* Column filter popup */
.mx-col-filter-popup {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    min-width: 200px;
    max-width: 280px;
    font-size: 11px;
    overflow: hidden;
}
.mx-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}
.mx-filter-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 3px;
}
.mx-filter-close:hover {
    background: var(--danger);
    color: white;
}
.mx-filter-stats {
    padding: 6px 10px;
    color: var(--text-muted);
    font-size: 10px;
    border-bottom: 1px solid var(--border-color);
}
.mx-filter-actions {
    padding: 6px 10px;
    display: flex;
    gap: 6px;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
.mx-filter-check {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-primary);
}
.mx-filter-check input { accent-color: var(--accent); }
.mx-filter-vals-title {
    padding: 6px 10px 2px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 10px;
}
.mx-filter-vals {
    padding: 4px 10px 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    max-height: 120px;
    overflow-y: auto;
}
.mx-filter-val-chip {
    padding: 1px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 10px;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

/* Column group header */
.mx-col-group-hdr {
    background: var(--bg-tertiary) !important;
    border-bottom: 2px solid var(--accent) !important;
    font-weight: 700 !important;
    font-size: 11px;
    text-align: center !important;
    white-space: nowrap;
}
.mx-col-group-hdr .mx-tree-toggle { font-size: 9px; }
.mx-col-group-hdr .mx-group-count { font-size: 9px; }
.mx-col-leaf-hdr {
    font-size: 10px !important;
    font-weight: 500 !important;
    padding: 2px 4px !important;
}
.mx-col-leaf-row th {
    position: sticky;
    top: 28px;
    z-index: 10;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}
.mx-col-group-row th {
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Col group data cells */
.mx-cell-col-group {
    background: rgba(79, 70, 229, 0.03) !important;
    font-style: italic;
    border-right: 2px solid rgba(79, 70, 229, 0.2) !important;
}
.mx-cell-col-group.mx-has-val {
    color: var(--accent) !important;
    font-weight: 600;
}

/* Filter popup enhancements */
.mx-filter-section {
    padding: 6px 10px;
    border-bottom: 1px solid var(--border-color);
}
.mx-filter-value-row {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-top: 4px;
    flex-wrap: wrap;
}
.mx-filter-select {
    padding: 3px 6px;
    font-size: 10px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-width: 0;
    flex: 1;
}
.mx-filter-input {
    padding: 3px 6px;
    font-size: 11px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}
.mx-filter-input:focus {
    outline: none;
    border-color: var(--accent);
}
.mx-filter-val-chip {
    cursor: pointer;
    transition: background 0.1s;
}
.mx-filter-val-chip:hover {
    background: var(--accent) !important;
    color: white !important;
    border-color: var(--accent) !important;
}

/* Dark theme: filter popup */
[data-theme="dark"] .mx-col-filter-popup {
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* ======== P&L TCD ======== */

/* Control bar */
.pnl-ctrl-bar {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Field zones row */
.pnl-field-zones {
    display: flex;
    align-items: flex-start;
    gap: 0;
    min-height: 56px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.pnl-zone {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    min-width: 160px;
    flex: 1;
    align-self: stretch;
}
.pnl-zone:last-child { border-right: none; }

.pnl-zone-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 4px 8px 2px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.pnl-zone-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 5px 8px;
    flex: 1;
    align-content: flex-start;
}

.pnl-filters-content { flex-direction: column; gap: 3px; }

.pnl-zone-swap-col {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-right: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.pnl-swap-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 5px 10px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}
.pnl-swap-btn:hover { background: #4338ca; transform: scaleX(1.1); }

/* Field chips */
.pnl-field-chip {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    background: var(--accent);
    color: #fff;
    border-radius: 5px;
    padding: 2px 5px 2px 7px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.pnl-field-name { pointer-events: none; }

.pnl-field-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 3px;
    padding: 1px 4px;
    font-size: 10px;
    line-height: 1.4;
    transition: background 0.1s;
}
.pnl-field-btn:hover { background: rgba(255,255,255,0.4); }
.pnl-field-rm { padding: 1px 5px; font-size: 12px; }
.pnl-field-filter { font-size: 8px; padding: 1px 3px; }
.pnl-field-filter-active { background: rgba(255,255,0,0.35); color: #fff; }

/* Excel-style field filter popup */
.pnl-field-filter-popup {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.22);
    min-width: 240px;
    max-width: 320px;
    z-index: 2500;
    display: flex;
    flex-direction: column;
}
.pnl-ff-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    padding: 8px 10px 4px;
    border-bottom: 1px solid var(--border-color);
}
.pnl-ff-search {
    margin: 6px 8px 4px;
    padding: 4px 8px;
    font-size: 11px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
}
.pnl-ff-search:focus { border-color: var(--accent); }
.pnl-ff-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px 4px;
    flex-wrap: wrap;
}
.pnl-ff-action-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 3px;
    padding: 1px 6px;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.1s;
}
.pnl-ff-action-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.pnl-ff-sep { color: var(--border-color); font-size: 12px; margin: 0 2px; }
.pnl-ff-list {
    max-height: 280px;
    overflow-y: auto;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.pnl-ff-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    font-size: 11px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.08s;
    user-select: none;
}
.pnl-ff-item:hover { background: var(--bg-tertiary); }
.pnl-ff-chk { margin: 0; cursor: pointer; accent-color: var(--accent); }
.pnl-ff-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pnl-ff-footer {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    padding: 6px 8px;
}
.pnl-ff-apply {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 4px 14px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.1s;
}
.pnl-ff-apply:hover { background: var(--accent-hover); }
.pnl-ff-cancel {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.1s;
}
.pnl-ff-cancel:hover { border-color: var(--text-secondary); color: var(--text-secondary); }

.pnl-add-field-btn {
    background: transparent;
    border: 1.5px dashed var(--border-color);
    color: var(--text-muted);
    border-radius: 5px;
    padding: 2px 8px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s;
}
.pnl-add-field-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Field popup */
.pnl-field-popup {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.2);
    min-width: 190px;
    max-height: 340px;
    overflow-y: auto;
    z-index: 2500;
}
.pnl-field-opt {
    padding: 7px 12px;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.1s;
}
.pnl-field-opt:hover { background: var(--accent); color: #fff; }

/* Field type colors */
.pnl-field-type-dim       { background: var(--accent); }
.pnl-field-type-module    { background: #0d9488; }
.pnl-field-type-attribute { background: #d97706; }
.pnl-field-type-driver    { background: #7c3aed; }
.pnl-field-type-period    { background: #0284c7; }
.pnl-field-type-scenario  { background: #059669; }
.pnl-field-type-icon      { opacity: 0.8; font-size: 10px; margin-right: 1px; }

/* Field popup group headers */
.pnl-field-popup-group {
    padding: 5px 12px 3px;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--border-color);
}
.pnl-field-popup-group:first-child { border-top: none; }

/* Measure groups — collapsible */
.pnl-measure-group {
    margin-bottom: 2px;
}
.pnl-measure-group-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    padding: 2px 0;
    user-select: none;
}
.pnl-measure-group-label:hover { color: var(--accent); }
.pnl-measure-group-label .pnl-mg-toggle { font-size: 8px; transition: transform 0.15s; }
.pnl-measure-group.collapsed .pnl-mg-toggle { transform: rotate(-90deg); }
.pnl-measure-group-items {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 8px;
    padding-left: 2px;
}
.pnl-measure-group.collapsed .pnl-measure-group-items { display: none; }
.pnl-measure-group .pnl-mg-summary {
    display: none;
    font-size: 10px;
    color: var(--text-muted);
    font-style: italic;
    margin-left: 4px;
}
.pnl-measure-group.collapsed .pnl-mg-summary { display: inline; }

/* Multi-filter */
.pnl-filter-row {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 2px 0;
    width: 100%;
}
.pnl-filter-label {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    border-radius: 4px;
    padding: 2px 7px;
    white-space: nowrap;
    min-width: 60px;
    text-align: center;
}
.pnl-filter-values {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3px;
    flex: 1;
}
.pnl-filter-rm-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.2;
}
.pnl-filter-rm-btn:hover { border-color: var(--danger); color: var(--danger); }
.pnl-filter-chip {
    display: inline-flex; align-items: center; gap: 3px;
    background: var(--bg-tertiary); color: var(--text-primary); border-radius: 4px;
    padding: 1px 6px; font-size: 10px; font-weight: 600;
    border: 1px solid var(--border-color);
}
.pnl-filter-chip .pnl-fc-rm {
    background: rgba(0,0,0,0.1); border: none; color: var(--text-muted);
    border-radius: 2px; padding: 0 3px; font-size: 10px; cursor: pointer;
    line-height: 1.3;
}
.pnl-filter-chip .pnl-fc-rm:hover { background: rgba(220,38,38,0.2); color: var(--danger); }
.pnl-filter-add-btn {
    background: transparent; border: 1px dashed var(--border-color);
    color: var(--text-muted); border-radius: 4px; padding: 1px 6px;
    font-size: 10px; cursor: pointer; transition: all 0.15s;
}
.pnl-filter-add-btn:hover { border-color: var(--accent); color: var(--accent); }
.pnl-filter-popup {
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 6px; box-shadow: 0 6px 24px rgba(0,0,0,0.2);
    min-width: 180px; max-height: 320px; overflow-y: auto; z-index: 2500;
}
.pnl-filter-popup-opt {
    padding: 6px 10px; font-size: 11px; cursor: pointer;
    color: var(--text-primary); transition: background 0.1s;
}
.pnl-filter-popup-opt:hover { background: var(--accent); color: #fff; }
.pnl-filter-popup-group {
    padding: 5px 10px 2px; font-size: 9px; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
    border-top: 1px solid var(--border-color);
}
.pnl-filter-popup-group:first-child { border-top: none; }

/* Measures zone */
.pnl-measure-chk {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 1px 5px;
    border-radius: 4px;
    transition: background 0.1s;
}
.pnl-measure-chk:hover { background: var(--bg-tertiary); }
.pnl-measure-chk input { accent-color: var(--accent); cursor: pointer; }

/* Filters zone */
.pnl-ctrl-group {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
}
.pnl-ctrl-label { color: var(--text-muted); font-size: 10px; font-weight: 600; white-space: nowrap; }
.pnl-ctrl-group select { font-size: 11px; padding: 2px 4px; border-radius: 4px; border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-primary); max-width: 130px; }

/* Display options row */
.pnl-ctrl-row.pnl-ctrl-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    flex-wrap: wrap;
}
.pnl-ctrl-sep { width: 1px; height: 18px; background: var(--border-color); flex-shrink: 0; }
.pnl-ctrl-spacer { flex: 1; }

#pnl-pct-mode {
    font-size: 11px; padding: 3px 6px; border-radius: 5px;
    border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-primary);
}

.pnl-tree-btn {
    font-size: 11px; padding: 3px 8px; background: var(--bg-tertiary);
    border: 1px solid var(--border-color); border-radius: 5px; color: var(--text-secondary); cursor: pointer;
}
.pnl-tree-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.pnl-search-input {
    padding: 4px 10px; border: 1px solid var(--border-color); border-radius: 5px;
    background: var(--bg-primary); color: var(--text-primary); font-size: 11px; width: 160px; outline: none;
}
.pnl-search-input:focus { border-color: var(--accent); }

/* Layout */
.pnl-layout {
    flex: 1;
    overflow: auto;
}

#pnl-table-container {
    overflow: auto;
    max-height: calc(100vh - 220px);
}

/* Table */
.pnl-table { min-width: 100%; border-collapse: collapse; }

.pnl-table thead th {
    position: sticky; top: 0; z-index: 2;
    background: var(--bg-secondary);
    white-space: nowrap;
    border-bottom: 2px solid var(--border-color);
    font-size: 12px;
}
.pnl-table thead tr:nth-child(2) th {
    top: 33px; /* second header row */
    background: var(--bg-tertiary);
}
.pnl-table thead th:first-child { position: sticky; left: 0; z-index: 3; }

.pnl-table tbody td:first-child {
    position: sticky; left: 0; z-index: 1;
    background: var(--bg-secondary); font-weight: 500;
}
.pnl-table td { text-align: right; white-space: nowrap; font-size: 12px; }
.pnl-table td:first-child { text-align: left; }

.pnl-table tfoot th {
    position: sticky; bottom: 0; z-index: 2;
    font-weight: 700; border-top: 2px solid var(--accent);
    background: var(--bg-secondary); text-align: right; white-space: nowrap; font-size: 12px;
}
.pnl-table tfoot th:first-child { left: 0; z-index: 3; text-align: left; }

/* Row types */
.pnl-parent-row { background: var(--bg-tertiary); }
.pnl-parent-row td:first-child { font-weight: 700; }
.pnl-parent-row td { border-top: 1px solid var(--border-color); }

.pnl-depth-0.pnl-parent-row { background: rgba(79,70,229,0.05); }
.pnl-depth-0.pnl-parent-row td:first-child { color: var(--accent); }

.pnl-child-row td:first-child { font-weight: 400; color: var(--text-secondary); }
.pnl-leaf-row:hover { background: rgba(79,70,229,0.04); }

.pnl-search-match td:first-child { background: rgba(250,204,21,0.15) !important; }

/* Cells */
.pnl-nature-cell {
    padding: 7px 8px; display: flex; align-items: center; gap: 4px; min-width: 200px;
}
.pnl-row-label { vertical-align: middle; font-size: 12px; }

.pnl-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px; font-size: 8px;
    color: var(--text-muted); flex-shrink: 0;
    transition: color 0.1s;
}
.pnl-toggle.pnl-open { color: var(--accent); }
.pnl-toggle-spacer { display: inline-block; width: 16px; }

.pnl-amount-cell {
    padding: 7px 10px; font-variant-numeric: tabular-nums; font-size: 12px;
    min-width: 90px; transition: background 0.2s;
}
.pnl-zero { color: transparent; } /* hide zeros completely */

.pnl-col-header {
    text-align: center !important; min-width: 90px; padding: 6px 8px;
    border-left: 1px solid var(--border-color);
}
.pnl-col-parent { font-weight: 700; background: rgba(79,70,229,0.06) !important; }
.pnl-col-group  { font-weight: 700; border-bottom: 1px solid var(--border-color); }
.pnl-measure-header { font-size: 10px; font-weight: 600; text-align: center !important; color: var(--text-muted); padding: 3px 8px; }

.pnl-total-header {
    text-align: right !important; min-width: 100px; font-weight: 700; color: var(--accent);
    border-left: 2px solid var(--accent); padding: 6px 10px;
}
.pnl-total-measure { color: var(--accent); }
.pnl-row-header { text-align: left !important; min-width: 200px; padding: 6px 10px; }
.pnl-corner { background: var(--bg-secondary) !important; }
.pnl-total-cell { font-weight: 600; border-left: 2px solid rgba(79,70,229,0.2); }

.pnl-empty { text-align: center; color: var(--text-muted); padding: 48px; font-size: 13px; }
/* .pnl-loading removed — was dead CSS (never referenced in JS or HTML) */

/* ======== Nav overflow for many tabs ======== */
#main-nav {
    overflow: visible;
}

.nav-btn {
    white-space: nowrap;
    flex-shrink: 0;
}

/* ======== Color picker in forms ======== */
.form-group input[type="color"] {
    width: 40px;
    height: 32px;
    padding: 2px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
}

/* ======== Dimension checkboxes in module modal ======== */
.dim-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 120px;
    overflow-y: auto;
}

.dim-checkbox-list label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ======== GL Validation Summary ======== */
.gl-validation-summary {
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.gl-validation-summary.hidden {
    display: none;
}

.validation-info {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.validation-info strong {
    color: var(--accent);
}

.validation-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 12px;
    color: var(--warning);
    margin-bottom: 8px;
}

.validation-errors {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 12px;
    color: var(--danger);
}

.validation-errors ul {
    margin: 4px 0 0 16px;
    padding: 0;
}

.validation-errors li {
    margin-bottom: 2px;
}

/* ======== Bulk Generation ======== */
.bulk-preview-list {
    max-height: 300px;
    overflow-y: auto;
    font-size: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px;
    background: var(--bg-tertiary);
    font-family: monospace;
}

.bulk-preview-list div {
    padding: 2px 4px;
    border-bottom: 1px solid var(--border-color);
}

.bulk-preview-list div:last-child {
    border-bottom: none;
}

/* ======== Phase Badges (GL Import) ======== */
.phase-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.phase-reel {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.phase-budget {
    background: rgba(249, 115, 22, 0.15);
    color: var(--warning);
    border: 1px solid rgba(249, 115, 22, 0.3);
}

/* ======== GL Validation Summary ======== */
.gl-validation-summary {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.gl-validation-summary h4 {
    margin: 0 0 8px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.validation-info {
    color: var(--accent);
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.validation-warning {
    color: var(--warning);
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.validation-errors {
    color: var(--danger);
    font-size: 0.8rem;
    margin-bottom: 4px;
}

#gl-unmapped-summary {
    margin-top: 12px;
}

/* ======== Help Page ======== */
.help-layout {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 0;
    height: 100%;
    overflow: hidden;
    min-height: calc(100vh - 180px);
}

.help-nav {
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.help-nav-search {
    padding: 10px 10px 8px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.help-nav-search input {
    width: 100%;
    padding: 6px 10px 6px 28px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' fill='%2394a3b8' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 8px center;
    color: var(--text-primary);
    outline: none;
}
.help-nav-search input:focus { border-color: var(--accent); }
.help-nav-links {
    flex: 1;
    overflow-y: auto;
    padding: 6px 8px;
}
.help-nav-tabs {
    display: flex;
    gap: 2px;
    padding: 0 0 8px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
}
.help-tab {
    flex: 1;
    padding: 5px 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.15s;
}
.help-tab:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.help-tab.active { background: var(--accent); color: #fff; }
.help-nav-group {
    padding: 10px 10px 4px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.help-nav-group[data-cat="tech"] { color: var(--warning); }

.help-nav h3 {
    display: none; /* Sommaire title hidden — search replaces it */
}

.help-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    margin-bottom: 1px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    transition: all 0.15s;
    cursor: pointer;
    line-height: 1.3;
}

.help-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.help-nav-item.active {
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}

.help-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
    padding: 20px 28px;
    scroll-behavior: smooth;
}

.help-section {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 28px 32px;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 8px rgba(0,0,0,0.03);
}

.help-section h2 {
    margin: 0 0 20px;
    font-size: 1.4rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.help-section h3 {
    margin: 20px 0 10px;
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

.help-section h4 {
    margin: 14px 0 6px;
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
}

.help-section p {
    margin: 8px 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

.help-section ul, .help-section ol {
    margin: 8px 0;
    padding-left: 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.help-section table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.85rem;
}

.help-section table th {
    background: var(--bg-tertiary);
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.help-section table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.help-section table tr:nth-child(even) td {
    background: var(--bg-primary);
}

.help-section code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.82rem;
    font-family: 'Fira Code', 'Consolas', monospace;
    color: var(--accent);
}

/* Help flow diagram */
.help-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    margin: 16px 0;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.04), rgba(79, 70, 229, 0.01)); /* fallback */
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 4%, transparent), color-mix(in srgb, var(--accent) 1%, transparent));
    border-radius: 10px;
    border: 1px solid rgba(79, 70, 229, 0.15); /* fallback */
    border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}

.help-flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    min-width: 90px;
    text-align: center;
}
.help-flow-step small { font-size: 10px; font-weight: 400; color: var(--text-muted); }
.help-flow-step + .help-flow-step::before {
    content: '→';
    position: relative;
    left: -14px;
    margin-right: -20px;
    color: var(--text-muted);
    font-size: 16px;
}

.help-flow-arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
    font-weight: bold;
}

/* Help callout boxes */
.help-callout {
    margin: 14px 0;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.7;
}
.help-callout p { margin: 4px 0; }
.help-callout ul { margin: 4px 0; }

.help-callout.info {
    background: rgba(79, 70, 229, 0.06); /* fallback */
    background: color-mix(in srgb, var(--accent) 6%, transparent);
    border-left: 4px solid var(--accent);
    color: var(--text-secondary);
}
.help-callout.info::before { content: 'ℹ '; font-weight: 700; color: var(--accent); }

.help-callout.warning {
    background: #FFFBEB;
    border-left: 4px solid #F59E0B;
    color: #78350F;
}
.help-callout.warning::before { content: '⚠ '; font-weight: 700; }

.help-callout.tip {
    background: #ECFDF5;
    border-left: 4px solid #10B981;
    color: #065F46;
}
.help-callout.tip::before { content: '💡 '; }

/* ======== Responsive ======== */
@media (max-width: 1200px) {
    .model-layout {
        grid-template-columns: 1fr 1fr;
    }
    .calc-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #main-nav {
        display: none;
    }
    .model-layout {
        grid-template-columns: 1fr;
    }
    .detail-flow {
        grid-template-columns: 1fr;
    }
    .calc-steps {
        grid-template-columns: 1fr;
    }
    .help-layout {
        grid-template-columns: 1fr;
    }
    .help-nav {
        display: none;
    }
    .help-flow {
        flex-direction: column;
    }
}

/* ========================================
   Sankey Toolbar & Filters
   ======================================== */

.sankey-toolbar {
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 6px;
    padding: 8px 12px;
}

.sankey-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

/* Sankey toolbar row */
.sankey-toolbar-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 8px;
    flex-wrap: wrap;
    border-bottom: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    font-size: 12px;
}

/* Compact all sankey toolbar controls */
.sankey-toolbar select { font-size: 11px; padding: 2px 4px; }
.sankey-toolbar input[type="checkbox"] { margin: 0 2px; }
.sankey-toolbar label { font-size: 11px; white-space: nowrap; }
.sankey-toolbar h2 { font-size: 15px; margin: 0; }
.sankey-actions { gap: 4px; font-size: 11px; align-items: center; }
.sankey-actions > div, .sankey-actions > label, .sankey-actions > span { white-space: nowrap; }
#sankey-module-toggles { gap: 3px; }
#sankey-module-toggles label {
    font-size: 10px; gap: 3px;
    padding: 2px 8px 2px 4px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    cursor: pointer;
    transition: background 0.1s;
}
#sankey-module-toggles label:hover {
    background: var(--bg-tertiary);
}

/* Search / Focus */
.sankey-search-group {
    position: relative;
    flex: 0 0 200px;
}
.sankey-search-wrapper {
    display: flex;
    align-items: center;
    position: relative;
}
.sankey-search-wrapper input {
    width: 100%;
    padding: 5px 24px 5px 28px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 8px center;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.sankey-search-wrapper input::placeholder { color: var(--text-muted); }
.sankey-search-wrapper input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12); /* fallback */
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}
.sankey-search-wrapper input.has-focus {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.04);
}
.sankey-search-clear {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}
.sankey-search-clear:hover { color: var(--danger); }
.sankey-search-clear.hidden { display: none; }
.hidden { display: none !important; }

.sankey-search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0 0 6px 6px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}
.sankey-search-dropdown.hidden { display: none; }
.sankey-search-item {
    padding: 6px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85em;
    border-bottom: 1px solid var(--border-subtle);
}
.sankey-search-item:hover,
.sankey-search-item.active {
    background: var(--bg-hover);
}
.sankey-search-item .search-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.sankey-search-item .search-name { flex: 1; }
.sankey-search-item .search-module {
    font-size: 0.78em;
    color: var(--text-muted);
}
.sankey-search-item .search-amount {
    font-size: 0.78em;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Multi-module split controls */
.sankey-split-group {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    flex-wrap: wrap;
}
.sankey-split-group > label {
    padding-top: 5px;
}
.sankey-split-group select {
    font-size: 0.82em;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
}
.sankey-split-group select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15);
}
.sankey-split-list {
    display: flex;
    gap: 3px;
    flex-wrap: wrap;
    align-items: center;
    max-height: 72px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
}
/* Individual expanded module row */
.sankey-split-row {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 5px 2px 2px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 11px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    transition: box-shadow 0.15s;
}
.sankey-split-row:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.split-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 5px;
    color: white;
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    letter-spacing: 0.02em;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.split-dims-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.split-dim-row {
    display: flex;
    align-items: center;
    gap: 4px;
}
.split-dim-select {
    font-size: 10px;
    padding: 2px 20px 2px 5px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    max-width: 140px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%2364748B'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
    transition: border-color 0.15s;
}
.split-dim-select:hover { border-color: var(--accent); }
.split-dim-select:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15); /* fallback */
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent);
}
.split-level-btns {
    display: flex;
    gap: 0;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.split-level-btn {
    padding: 2px 7px;
    font-size: 10px;
    font-weight: 600;
    border: none;
    background: #E2E8F0;
    color: #334155;
    cursor: pointer;
    transition: all 0.15s ease;
    border-right: 1px solid #CBD5E1;
    white-space: nowrap;
}
.split-level-btn:last-child {
    border-right: none;
}
.split-level-btn:hover {
    background: #E2E8F0;
    color: #1E293B;
}
.split-level-btn.active {
    background: var(--accent);
    color: #fff;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.split-dim-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    padding: 0 2px;
    opacity: 0.6;
}
.split-dim-remove:hover {
    color: var(--danger);
    opacity: 1;
}
.split-add-dim {
    font-size: 0.75em;
    padding: 1px 6px;
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
    align-self: flex-start;
}
.split-add-dim:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}
.split-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 50%;
    transition: all 0.15s;
}
.split-remove:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}
/* Module member tree toggle */
.tree-toggle {
    transition: color 0.15s;
}
.tree-toggle:hover {
    color: var(--primary) !important;
}
.mtree-row.tree-branch td {
    border-bottom: 1px solid var(--border-color);
}

/* Module member hierarchy level badges */
.member-level-badge {
    display: inline-block;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 700;
    margin-right: 4px;
    vertical-align: middle;
    letter-spacing: 0.5px;
}
.member-level-badge.level-2 {
    background: var(--primary);
    color: white;
}
.member-level-badge.level-1 {
    background: var(--info);
    color: white;
}

/* Legacy compat */
.sankey-level-btns { display: flex; border-radius: 6px; overflow: hidden; border: 1px solid var(--border-color); }
.sankey-level-btn { padding: 3px 10px; font-size: 0.78em; font-weight: 600; border: none; background: var(--bg-primary); color: var(--text-muted); cursor: pointer; border-right: 1px solid var(--border-color); white-space: nowrap; }
.sankey-level-btn:last-child { border-right: none; }
.sankey-level-btn.active { background: var(--primary); color: white; }

.sankey-breadcrumb {
    padding: 4px 12px;
    font-size: 0.85em;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 4px;
}
.sankey-breadcrumb.hidden { display: none; }
.sankey-breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    cursor: pointer;
    font-weight: 500;
}
.sankey-breadcrumb a:hover { text-decoration: underline; }
.sankey-breadcrumb .bc-sep { color: var(--text-muted); margin: 0 2px; }
.sankey-breadcrumb .bc-current { font-weight: 600; color: var(--text-primary); }

/* Focus mode: dim non-focused elements */
.sankey-main.focus-active .node rect { opacity: 0.1 !important; }
.sankey-main.focus-active .link-group path { stroke-opacity: 0.03 !important; }
.sankey-main.focus-active .node.focus-highlight rect { opacity: 1 !important; }
.sankey-main.focus-active .node.focus-neighbor rect { opacity: 0.6 !important; }
.sankey-main.focus-active .link-group.focus-highlight path { stroke-opacity: 0.6 !important; }
.sankey-main.focus-active .node text { opacity: 0.15; }
.sankey-main.focus-active .node.focus-highlight text,
.sankey-main.focus-active .node.focus-neighbor text { opacity: 1; }

.sankey-filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-primary);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.filter-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.sankey-filter-group select {
    font-size: 12px;
    padding: 4px 24px 4px 8px;
    max-width: 170px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2364748B'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.sankey-filter-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15); /* fallback */
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent);
    outline: none;
}
.sankey-filter-group select:hover {
    border-color: var(--accent);
}

.toolbar-sep {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
    flex-shrink: 0;
}

.chk-label {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
    cursor: pointer;
}

.chk-label input[type="checkbox"] {
    width: 14px;
    height: 14px;
}

/* Module toggles */
.module-toggle {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    cursor: pointer;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    transition: var(--transition);
    white-space: nowrap;
}

.module-toggle:hover {
    border-color: var(--accent);
}

.module-toggle input[type="checkbox"] {
    width: 12px;
    height: 12px;
}

.module-toggle-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.module-toggle-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Zoom controls */
.sankey-zoom-controls {
    display: flex;
    gap: 2px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.btn-icon-sm {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-icon-sm:hover {
    background: var(--accent);
    color: white;
}

/* Toggle button active state */
.btn-toggle {
    transition: var(--transition);
}
.btn-toggle.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Enhanced Sankey tooltip */
#sankey-tooltip {
    max-width: 320px;
    font-size: 12px;
    padding: 0;
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    overflow: hidden;
}

#sankey-tooltip .tt-header {
    padding: 10px 12px 6px;
}

#sankey-tooltip .tt-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

#sankey-tooltip .tt-subtitle {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

#sankey-tooltip .tt-amount {
    font-size: 18px;
    font-weight: 800;
    color: var(--accent);
    padding: 4px 12px 8px;
}

#sankey-tooltip .tt-breakdown,
#sankey-tooltip .tt-flows {
    padding: 6px 12px;
    border-top: 1px solid var(--border-color);
}

#sankey-tooltip .tt-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 2px 0;
    font-size: 11px;
    color: var(--text-secondary);
}

#sankey-tooltip .tt-row small {
    color: var(--text-muted);
}

#sankey-tooltip .tt-dims {
    padding: 6px 12px;
    border-top: 1px solid var(--border-color);
}

#sankey-tooltip .tt-dim {
    font-size: 10px;
    color: var(--text-muted);
    padding: 1px 0;
}

#sankey-tooltip .tt-hint {
    padding: 6px 12px;
    font-size: 10px;
    color: var(--accent);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

#sankey-tooltip .tt-link-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px 4px;
}

#sankey-tooltip .tt-link-node {
    font-weight: 700;
    font-size: 12px;
}

#sankey-tooltip .tt-link-arrow {
    color: var(--text-muted);
    font-size: 14px;
}

#sankey-tooltip .tt-driver {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 2px 12px;
}

#sankey-tooltip .tt-link-modules {
    font-size: 10px;
    color: var(--text-muted);
    padding: 4px 12px 8px;
}

/* Sankey SVG cursor */
#sankey-svg {
    cursor: grab;
}
#sankey-svg:active {
    cursor: grabbing;
}

/* ========================================
   Net Allocations View
   ======================================== */

#view-net-alloc .view-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

#view-net-alloc .view-toolbar select {
    min-width: 200px;
}

/* Summary cards */
.na-summary-cards {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.na-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px 18px;
    min-width: 140px;
    box-shadow: var(--shadow);
}

.na-card-accent {
    background: var(--accent);
    border-color: var(--accent);
}

.na-card-accent .na-card-label,
.na-card-accent .na-card-value {
    color: #fff;
}

.na-card-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.na-card-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Table */
#na-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

#na-table thead {
    background: var(--bg-tertiary);
}

.na-th-name,
.na-th-num,
.na-th-flow {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    white-space: nowrap;
    border-bottom: 2px solid var(--border-color);
}

.na-th-num {
    text-align: right;
}

.na-th-accent {
    background: rgba(79, 70, 229, 0.08);
    color: var(--accent);
}

/* Rows */
.na-row {
    transition: background 0.15s;
}

.na-row:hover {
    background: rgba(79, 70, 229, 0.04);
}
.na-row-highlight {
    animation: na-highlight-pulse 1.5s ease-in-out 2;
}
@keyframes na-highlight-pulse {
    0%, 100% { background: transparent; }
    50% { background: rgba(79, 70, 229, 0.12); box-shadow: inset 3px 0 0 var(--primary); }
}

.na-row td {
    border-bottom: 1px solid var(--border-color);
}

/* Name cell */
.na-td-name {
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.na-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.na-member-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
}

.na-member-ref {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 1px;
}

/* Numeric cells */
.na-td-num {
    padding: 10px 12px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
    white-space: nowrap;
}

.na-td-accent {
    background: rgba(79, 70, 229, 0.04);
    font-weight: 600;
}

.na-td-retained {
    color: var(--accent);
    font-weight: 600;
}

/* Bar cell */
.na-bar-cell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.na-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    border-radius: 2px;
    pointer-events: none;
}

.na-bar-cell span {
    position: relative;
    z-index: 1;
}

/* Flow chips */
.na-td-flow {
    padding: 8px 10px;
    max-width: 220px;
}

.na-chip {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border: 1.5px solid;
    border-radius: 10px;
    margin: 1px 2px;
    white-space: nowrap;
    background: transparent;
}

.na-zero {
    color: var(--text-muted);
    font-size: 12px;
}

/* Footer */
#na-table tfoot td {
    padding: 10px 12px;
    border-top: 2px solid var(--border-color);
    background: var(--bg-tertiary);
}

#na-table tfoot .na-td-num {
    font-weight: 700;
}

#na-table tfoot .na-td-name {
    font-weight: 700;
}

/* Filters bar */
.na-filters {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 0 16px 10px;
    flex-wrap: wrap;
}

.na-filter-input {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    width: 180px;
    outline: none;
    transition: border-color 0.2s;
}
.na-filter-input:focus {
    border-color: var(--primary);
}

.na-filter-group {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-secondary);
}

.na-filter-number {
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    width: 100px;
    outline: none;
}
.na-filter-number:focus {
    border-color: var(--primary);
}

.na-filter-select {
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    outline: none;
}

.na-btn-tree {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 5px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.na-btn-tree:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.na-filter-count {
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
    margin-left: auto;
}

/* Member expand toggle */
.na-member-expand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 8px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.15s;
    flex-shrink: 0;
    user-select: none;
}
.na-member-expand:hover {
    background: var(--primary);
    color: #fff;
}
.na-member-expand-open {
    color: var(--primary);
}

/* Flow badges (compact) */
.na-flow-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}
.na-flow-badge-up {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}
.na-flow-badge-down {
    background: rgba(99, 102, 241, 0.1);
    color: #6366F1;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Detail row (expanded flow chips) */
.na-detail-row td {
    border-bottom: 1px solid var(--border-color);
}
.na-detail-content {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    padding: 8px 0;
}
.na-detail-section {
    display: flex;
    align-items: flex-start;
    gap: 6px;
}
.na-detail-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    padding-top: 2px;
}
.na-detail-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

/* Group row styling */
.na-group-row {
    background: var(--bg-secondary);
}
.na-group-row:hover {
    background: rgba(79, 70, 229, 0.06);
}

/* ── Flow Panels (upstream / downstream) ── */
.na-flow-panel {
    position: absolute; top: 0; bottom: 0; width: 460px; min-width: 280px; max-width: 70vw;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    box-shadow: 0 4px 24px rgba(0,0,0,0.12); z-index: 50;
    display: flex; flex-direction: column; overflow: hidden;
    animation: na-panel-slide 0.2s ease-out;
}
.na-flow-panel-left { left: 0; border-right: 2px solid var(--accent); }
.na-flow-panel-right { right: 0; border-left: 2px solid var(--accent); }

/* Resize handle */
.na-panel-resize {
    position: absolute; top: 0; bottom: 0; width: 5px; cursor: col-resize; z-index: 51;
    background: transparent; transition: background 0.15s;
}
.na-panel-resize:hover, .na-panel-resize.dragging { background: var(--accent); opacity: 0.4; }
.na-flow-panel-left .na-panel-resize { right: -3px; }
.na-flow-panel-right .na-panel-resize { left: -3px; }
@keyframes na-panel-slide { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
.na-flow-panel-right { animation-name: na-panel-slide-r; }
@keyframes na-panel-slide-r { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

.na-panel-header {
    padding: 10px 12px; display: flex; align-items: center; gap: 8px; flex-shrink: 0;
    background: var(--bg-secondary); border-bottom: 1px solid var(--border-color);
}
.na-panel-title { font-weight: 700; font-size: 12px; color: var(--text-secondary); }
.na-panel-member { font-weight: 600; font-size: 13px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.na-panel-total { font-size: 12px; font-weight: 700; color: var(--accent); }
.na-panel-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-muted); padding: 0 4px; }
.na-panel-close:hover { color: var(--danger); }

.na-panel-body { flex: 1; overflow-y: auto; padding: 8px; }
.na-panel-empty { text-align: center; color: var(--text-muted); padding: 40px 0; font-size: 13px; }

/* Module section */
.na-panel-module { margin-bottom: 4px; border: 1px solid var(--border-color); border-radius: 4px; overflow: hidden; }
.na-panel-module-header { display: flex; align-items: center; gap: 4px; padding: 5px 8px; cursor: pointer; background: var(--bg-secondary); font-size: 11px; font-weight: 600; border-bottom: 1px solid var(--border-color); }
.na-panel-module-header:hover { background: var(--bg-tertiary); }
.na-panel-module-toggle { font-size: 9px; color: var(--text-muted); transition: transform 0.15s; width: 12px; flex-shrink: 0; }
.na-panel-collapsed .na-panel-module-toggle { transform: rotate(-90deg); }
.na-panel-collapsed .na-panel-module-items { display: none; }
.na-panel-module-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.na-panel-module-count { font-size: 10px; color: var(--text-muted); background: var(--bg-tertiary); padding: 1px 5px; border-radius: 8px; }
.na-panel-hidden { display: none; }

/* Group sub-header row — grid aligned */
.na-panel-grp-row { display: flex; align-items: center; gap: 4px; padding: 3px 8px; font-size: 11px; cursor: pointer; color: var(--text-secondary); background: color-mix(in srgb, var(--accent) 3%, transparent); border-bottom: 1px dotted var(--border-color); }
.na-panel-grp-row:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.na-panel-group-toggle { font-size: 8px; color: var(--text-muted); width: 10px; flex-shrink: 0; }
.na-panel-group-count { color: var(--text-muted); font-weight: 400; font-size: 10px; }

/* Data row — grid aligned */
.na-panel-row { display: flex; align-items: center; padding: 3px 8px; font-size: 11px; position: relative; cursor: pointer; border-bottom: 1px solid color-mix(in srgb, var(--border-color) 40%, transparent); }
.na-panel-row:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.na-panel-row:nth-child(even) { background: color-mix(in srgb, var(--bg-secondary) 50%, transparent); }
.na-panel-row:nth-child(even):hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.na-panel-row-bar { position: absolute; left: 0; top: 0; bottom: 0; z-index: 0; pointer-events: none; }
.na-panel-row .npt-name, .na-panel-row .npt-drv, .na-panel-row .npt-pct, .na-panel-row .npt-amt { z-index: 1; }
.na-panel-item-active, .na-panel-row.na-panel-item-active { background: color-mix(in srgb, var(--accent) 15%, transparent) !important; border-left: 2px solid var(--accent); }

/* Footer total */
.na-panel-footer { display: flex; align-items: center; padding: 6px 8px; border-top: 2px solid var(--border-color); background: var(--bg-secondary); flex-shrink: 0; font-size: 12px; }

/* Excel-like grid header (labels + filters + toolbar) */
.npt-grid-head { flex-shrink: 0; background: var(--bg-secondary); border-bottom: 2px solid var(--border-color); }
.npt-grid-row { display: flex; align-items: center; padding: 0 8px; }
.npt-grid-labels { font-size: 10px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; border-bottom: 1px solid var(--border-color); padding-top: 4px; padding-bottom: 3px; }
.npt-grid-filters { gap: 3px; padding-top: 3px; padding-bottom: 3px; border-bottom: 1px solid var(--border-color); }
.npt-grid-toolbar { gap: 4px; padding-top: 2px; padding-bottom: 2px; }
.npt-grid-count { font-size: 10px; color: var(--text-muted); margin-left: auto; }

/* Column widths — shared across header labels, filter row, data rows, group rows, footer */
.npt-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 4px; }
.npt-drv  { width: 65px; flex-shrink: 0; font-size: 10px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; }
.npt-pct  { width: 38px; flex-shrink: 0; text-align: right; font-size: 10px; color: var(--text-muted); }
.npt-amt  { width: 85px; flex-shrink: 0; text-align: right; font-size: 11px; font-weight: 600; white-space: nowrap; }

/* Sortable column headers */
.npt-sortable { cursor: pointer; user-select: none; position: relative; padding-right: 10px; }
.npt-sortable:hover { color: var(--accent); }
.npt-sortable::after { content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 8px; opacity: 0.3; }
.npt-sorted-asc::after { content: '▲'; opacity: 1; color: var(--accent); }
.npt-sorted-desc::after { content: '▼'; opacity: 1; color: var(--accent); }

/* Column filter inputs */
/* Filter inputs inherit column widths via .npt-name / .npt-drv / .npt-amt classes */
input.npt-col-filter { padding: 2px 4px; font-size: 10px; border: 1px solid var(--border-color); border-radius: 3px; background: var(--bg-primary); box-sizing: border-box; }
input.npt-col-filter:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 1px var(--accent); }
input.npt-col-filter.npt-filter-active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--bg-primary)); }
/* Filter inputs take full width of their column slot */
.npt-grid-filters .npt-name, .npt-grid-filters .npt-drv, .npt-grid-filters .npt-amt { display: flex; }
.npt-grid-filters input { width: 100%; }

/* Focus animation on main table row */
.na-row-focus { animation: na-focus-pulse 2s ease-out; }
@keyframes na-focus-pulse { 0% { background: color-mix(in srgb, var(--accent) 25%, transparent); } 100% { background: transparent; } }

/* Flow button badges */
.na-flow-btn { cursor: pointer; transition: background 0.15s, transform 0.1s; }
.na-flow-btn:hover { transform: scale(1.1); filter: brightness(0.9); }
.na-row-active { background: color-mix(in srgb, var(--accent) 8%, transparent) !important; }

/* Make net-alloc view relative for panel positioning */
#view-net-alloc { position: relative; overflow: hidden; }
#view-net-alloc.active { display: flex; flex-direction: column; }
#view-net-alloc > .o365-ribbon,
#view-net-alloc > .na-summary,
#view-net-alloc > .na-filters { flex-shrink: 0; }
#na-table-container { flex: 1; overflow: auto; min-height: 0; }
#na-table-container thead th { position: sticky; top: 0; background: var(--bg-primary); z-index: 2; border-bottom: 2px solid var(--border-color); box-shadow: 0 1px 0 var(--border-color); }

/* ======== Verification View ======== */
.verif-layout {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
    max-height: calc(100vh - 120px);
}

.verif-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.verif-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.verif-card-value {
    font-size: 1.6em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.verif-card-label {
    font-size: 0.85em;
    color: var(--text-secondary);
    font-weight: 500;
}

.verif-card-sub {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-top: 4px;
}

.verif-flow, .verif-unallocated, .verif-dimensions {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
}

.verif-card {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.verif-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ── Test Suite Panel ── */
.verif-test-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
}

.verif-test-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.verif-test-title {
    font-size: 1.05em;
    font-weight: 700;
    color: var(--text-primary);
}

.verif-test-badge {
    font-size: 0.95em;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 0.02em;
}

.verif-health-bar-container {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    margin-bottom: 14px;
    overflow: hidden;
}

.verif-health-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.verif-test-rows {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.verif-test-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.88em;
    transition: background 0.12s;
}

.verif-test-row-clickable {
    cursor: pointer;
}

.verif-test-row-clickable:hover {
    background: var(--hover-bg, rgba(255,255,255,0.06));
}

.verif-test-icon {
    font-weight: 700;
    font-size: 1.1em;
    min-width: 18px;
    text-align: center;
}

.verif-test-name {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.verif-test-value {
    color: var(--text-secondary);
    min-width: 80px;
    text-align: right;
    font-family: var(--font-mono, monospace);
    font-size: 0.92em;
}

.verif-test-status {
    font-size: 0.75em;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    min-width: 40px;
    text-align: center;
    letter-spacing: 0.04em;
}

.verif-test-expand {
    color: var(--text-muted);
    font-size: 0.7em;
    margin-left: 4px;
    min-width: 14px;
}

.verif-test-detail {
    margin-left: 20px;
    margin-bottom: 4px;
    padding: 8px 12px;
    background: var(--bg-primary, #0F172A);
    border-radius: 4px;
    border-left: 2px solid var(--border-color);
}

.verif-test-detail .data-table {
    font-size: 0.85em;
}

.verif-test-summary {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 0.88em;
    color: var(--text-secondary);
}

.verif-link {
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9em;
}
.verif-link:hover {
    text-decoration: underline;
}

/* ── Driver Import Dialog ── */
.drv-import-dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(2px);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}
.drv-import-dialog {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: min(600px, 92vw);
    max-height: 85vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}
.drv-import-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 12px 12px 0 0;
}
.drv-import-dialog-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
}
.drv-import-dialog-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0 4px;
    line-height: 1;
}
.drv-import-dialog-close:hover { color: var(--danger); }
.drv-import-dialog-body {
    padding: 16px 18px;
}
.drv-import-info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}
.drv-import-badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}
.drv-import-mode-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.drv-import-radio {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s;
}
.drv-import-radio:hover {
    background: var(--bg-tertiary);
}
.drv-import-radio input[type="radio"],
.drv-import-radio input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
}
.drv-import-radio span {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.drv-import-radio strong {
    font-size: 13px;
}
.drv-import-radio em {
    font-size: 11px;
    font-style: normal;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════
   Tag System
   ═══════════════════════════════════════ */
.tag-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 4px 16px;
    flex-shrink: 0;
}
.tag-bar-inner {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.tag-bar-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 4px;
}
.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    border: 1.5px solid var(--chip-color, #64748B);
    background: transparent;
    color: var(--chip-color, #64748B);
    cursor: pointer;
    transition: all 0.15s;
}
.tag-chip:hover { background: rgba(107, 114, 128, 0.1); /* fallback */ background: color-mix(in srgb, var(--chip-color) 10%, transparent); }
.tag-chip.active {
    background: var(--chip-color, #64748B);
    color: #fff;
}
.tag-bar-add {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    border: 1px dashed var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}
.tag-bar-add:hover { background: var(--bg-tertiary); border-style: solid; }
.tag-bar-select {
    font-size: 12px;
    padding: 2px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
}

.tag-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(107, 114, 128, 0.15); /* fallback */
    background: color-mix(in srgb, var(--tag-color, #6B7280) 15%, transparent);
    color: var(--tag-color, #6B7280);
    border: 1px solid rgba(107, 114, 128, 0.3); /* fallback */
    border: 1px solid color-mix(in srgb, var(--tag-color, #6B7280) 30%, transparent);
    white-space: nowrap;
    margin: 0 2px;
}
/* Trigram badge — compact 3-letter code in dimension tree */
.tag-badge-tri {
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 8px;
    letter-spacing: 0.05em;
    font-weight: 700;
}
/* Highlight badge when its service is active in the Espace bar */
.tag-badge-active {
    background: color-mix(in srgb, var(--tag-color, #6B7280) 30%, transparent);
    border: 1.5px solid var(--tag-color, #6B7280);
    box-shadow: 0 0 4px color-mix(in srgb, var(--tag-color, #6B7280) 40%, transparent);
    color: var(--tag-color, #6B7280);
    font-weight: 800;
}

.tag-status-badge {
    display: inline-block;
    padding: 0 4px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 600;
    color: #fff;
    margin-left: 4px;
}

.tag-color-pick {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
}
.tag-color-pick:hover { border-color: var(--text-secondary); }
.tag-color-pick.selected { border-color: var(--text-primary); box-shadow: 0 0 0 2px var(--accent); }

/* Tag Page Layout */
.tag-page-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 16px;
    padding: 16px;
    height: calc(100vh - 120px);
    min-height: 0;
}
.tag-page-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.tag-page-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.tag-page-panel-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}
.tag-page-panel-body {
    overflow-y: auto;
    flex: 1;
    padding: 8px 0;
    min-height: 0;
}
.tag-page-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-muted);
    font-size: 13px;
}

/* Org Tree Items */
.tag-tree-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    transition: background 0.1s;
    cursor: default;
}
.tag-tree-item:hover {
    background: var(--bg-secondary);
}
.tag-tree-connector {
    font-family: monospace;
    color: var(--text-muted);
    white-space: pre;
    min-width: 28px;
}
.tag-tree-color {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}
.tag-tree-ref {
    font-weight: 700;
    min-width: 50px;
}
.tag-tree-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}
.tag-tree-count {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}
.tag-tree-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: opacity 0.15s;
}
.tag-tree-item:hover .tag-tree-actions {
    opacity: 1;
}
.btn-xs {
    padding: 2px 6px;
    font-size: 10px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition);
}
.btn-xs:hover { background: var(--bg-tertiary); }
.btn-danger-xs { color: var(--danger); }
.btn-danger-xs:hover { background: #FEE2E2; }

/* Coverage Table */
.tag-coverage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.tag-coverage-table th {
    text-align: left;
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.tag-coverage-table td {
    padding: 5px 8px;
    border-bottom: 1px solid var(--border-light, var(--border));
}
.tag-cov-cell {
    position: relative;
    text-align: center;
}
.tag-cov-bar {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    opacity: 0.15;
    border-radius: 0 3px 3px 0;
}
.tag-cov-num {
    position: relative;
    z-index: 1;
    font-weight: 600;
}
.tag-cov-num small {
    font-weight: 400;
    color: var(--text-muted);
}
.tag-cov-empty {
    color: var(--text-muted);
}
.tag-cov-total {
    font-weight: 700;
    text-align: center;
}
.tag-cov-untagged td {
    background: var(--bg-secondary);
    font-style: italic;
}
.tag-cov-mod-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    margin-right: 4px;
}

/* Stats Cards */
.tag-stats-row {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.tag-stat-card {
    flex: 1;
    text-align: center;
    padding: 8px;
    background: var(--bg-secondary);
    border-radius: 6px;
}
.tag-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}
.tag-stat-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (max-width: 900px) {
    .tag-page-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
}

/* Enhanced tree items — colored background strips */
.tag-tree-item-enhanced {
    position: relative;
    cursor: pointer;
}
.tag-tree-item-enhanced::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0; right: 0;
    background: var(--tree-item-color, transparent);
    opacity: 0.06;
    pointer-events: none;
    border-radius: 2px;
}
.tag-tree-item-enhanced:hover::before {
    opacity: 0.12;
}

/* Tree collapse toggle */
.tag-tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 9px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 3px;
    flex-shrink: 0;
    transition: background 0.1s;
}
.tag-tree-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.tag-tree-toggle-placeholder {
    display: inline-block;
    width: 16px;
    flex-shrink: 0;
}

/* Member count badge in tree */
.tag-tree-badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    font-size: 10px;
    font-weight: 700;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* Mini progress bar in tree */
.tag-tree-mini-bar {
    display: inline-block;
    width: 40px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    flex-shrink: 0;
}
.tag-tree-mini-bar-fill {
    display: block;
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s;
}

/* Tree detail panel (assignments) */
.tag-tree-detail {
    border-top: 1px solid var(--border);
    max-height: 260px;
    overflow-y: auto;
    flex-shrink: 0;
}
.tag-tree-detail-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}
.tag-tree-detail-list {
    padding: 4px 0;
}
.tag-tree-detail-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    font-size: 12px;
    border-bottom: 1px solid var(--border-light, var(--border));
}
.tag-tree-detail-row:last-child {
    border-bottom: none;
}
.tag-tree-detail-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}

/* Status chip (clickable) */
.tag-status-chip {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: opacity 0.15s;
    flex-shrink: 0;
}
.tag-status-chip:hover {
    opacity: 0.8;
}

/* Progression matrix cells — color coded */
.tag-prog-cell {
    position: relative;
    transition: background 0.15s;
}
.tag-prog-complete {
    background: rgba(16, 185, 129, 0.10);
}
.tag-prog-partial {
    background: rgba(245, 158, 11, 0.10);
}
.tag-prog-empty {
    background: rgba(239, 68, 68, 0.05);
}
.tag-prog-cell:hover {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    border-radius: 2px;
}

/* Bulk assign dialog rows */
.bulk-assign-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.1s;
}
.bulk-assign-row:hover {
    background: var(--bg-secondary);
}
.bulk-assign-row input[type="checkbox"] {
    flex-shrink: 0;
}

/* BPMN Context Menu */
.bpmn-ctx-menu {
    position: fixed;
    z-index: 3000;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    min-width: 240px;
    padding: 4px;
    font-size: 13px;
    animation: dropdownFadeIn 0.15s ease-out;
}
.bpmn-ctx-title {
    padding: 6px 12px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bpmn-ctx-sep {
    height: 1px;
    background: var(--border);
    margin: 2px 0;
}
.bpmn-ctx-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background 0.1s;
}
.bpmn-ctx-item:hover {
    background: var(--bg-hover);
}
.bpmn-ctx-check {
    width: 16px;
    text-align: center;
    color: var(--accent);
    font-weight: 700;
}
.bpmn-ctx-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    font-size: 13px;
    opacity: 0.7;
}
.bpmn-ctx-shortcut {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted);
    opacity: 0.6;
    font-family: 'SF Mono', 'Consolas', monospace;
}
.bpmn-ctx-color-row {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    padding: 6px 12px 6px 8px;
}
.bpmn-ctx-color {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.1s, border-color 0.1s;
    flex-shrink: 0;
}
.bpmn-ctx-color:hover {
    transform: scale(1.2);
    border-color: rgba(255,255,255,0.5);
}
.bpmn-ctx-submenu-trigger {
    position: relative;
}
.bpmn-ctx-arrow {
    margin-left: auto;
    font-size: 10px;
    opacity: 0.5;
}
.bpmn-ctx-submenu {
    padding-left: 10px;
    border-left: 2px solid var(--accent);
    margin-left: 16px;
}
.bpmn-ctx-submenu .bpmn-ctx-item {
    padding: 5px 10px;
    font-size: 12px;
}
.bpmn-ctx-danger {
    color: #EF4444 !important;
}
.bpmn-ctx-danger:hover {
    background: rgba(239,68,68,0.12) !important;
}

/* ── PowerPoint-style color dropdown ── */
.ribbon-color-picker {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.ribbon-color-current {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: box-shadow 0.12s, border-color 0.12s;
    flex-shrink: 0;
}
.ribbon-color-current:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light, rgba(99,102,241,0.2));
}
.ribbon-color-dropdown-toggle {
    width: 14px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 8px;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 4px 4px 0;
    background: var(--bg-primary);
    transition: background 0.1s;
}
.ribbon-color-dropdown-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.ribbon-color-dropdown {
    position: fixed;
    z-index: 3000;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    padding: 8px;
    display: none;
    min-width: 180px;
    animation: dropdownFadeIn 0.12s ease-out;
}
.ribbon-color-dropdown.show {
    display: block;
}
.ribbon-color-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 3px;
}
.ribbon-color-grid .bpmn-color-swatch {
    width: 18px;
    height: 18px;
    border-radius: 3px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.08s, border-color 0.08s;
}
.ribbon-color-grid .bpmn-color-swatch:hover {
    transform: scale(1.15);
    border-color: rgba(255,255,255,0.5);
}
.ribbon-color-grid .bpmn-color-swatch.active {
    border-color: #fff;
    box-shadow: 0 0 0 2px var(--accent);
}

/* Dimension Tree — Drag & Drop + Inline Edit */
.dim-drag-handle {
    width: 16px;
    flex-shrink: 0;
    cursor: grab;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.15s;
    font-size: 10px;
    letter-spacing: -2px;
    user-select: none;
}
.dim-tree-row:hover .dim-drag-handle { opacity: 0.6; }
.dim-tree-row.dragging {
    opacity: 0.35;
    background: var(--accent-light, #EEF2FF);
}
.dim-tree-row.drop-above {
    box-shadow: inset 0 2px 0 0 var(--accent);
}
.dim-tree-row.drop-below {
    box-shadow: inset 0 -2px 0 0 var(--accent);
}
.dim-tree-row.drop-child {
    background: rgba(79, 70, 229, 0.12); /* fallback */
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* Inline edit mode */
.dim-tree-name.editing,
.dim-add-ref.editing,
.dim-add-name.editing {
    background: var(--bg-primary);
    outline: 2px solid var(--accent);
    border-radius: 3px;
    padding: 1px 6px;
    min-width: 80px;
}

/* Add row */
.dim-add-row {
    opacity: 0.5;
    cursor: pointer;
    border-bottom: none;
    transition: opacity 0.15s;
}
.dim-add-row:hover { opacity: 0.8; }
.dim-add-ref, .dim-add-name {
    font-size: 12px;
    color: var(--text-muted);
    padding: 1px 4px;
    min-width: 60px;
}
.dim-add-ref:empty::before { content: attr(data-placeholder); }
.dim-add-name:empty::before { content: attr(data-placeholder); }
.dim-tree-badges {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

/* Dim toolbar (search + selection info) */
.dim-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
/* dim-search styles moved below with improved version */
.dim-sel-info {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
}
.dim-paste-hint {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted);
}

/* Multi-selection */
.dim-tree-row.selected {
    background: rgba(79, 70, 229, 0.12); /* fallback */
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.dim-tree-row.selected .dim-tree-name { color: var(--accent); }

/* Editable ref */
.dim-tree-ref.editing {
    background: var(--bg-primary);
    outline: 2px solid var(--accent);
    border-radius: 3px;
    padding: 1px 6px;
}

/* Status badge (draft/proposed/validated) — Point 2: bigger + colored background */
.dim-status-badge {
    font-size: 14px;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    flex-shrink: 0;
    user-select: none;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.15s, background 0.15s;
}
.dim-status-badge:hover { transform: scale(1.2); background: rgba(0,0,0,0.08); }
.dim-tree-row[data-status="draft"] .dim-status-badge { background: rgba(148,163,184,0.15); }
.dim-tree-row[data-status="proposed"] .dim-status-badge { background: rgba(139,92,246,0.12); }
.dim-tree-row[data-status="validated"] .dim-status-badge { background: rgba(16,185,129,0.12); }
.dim-tree-row[data-status="draft"] { border-left: 3px solid #94A3B8; }
.dim-tree-row[data-status="proposed"] { border-left: 3px solid #8B5CF6; }
.dim-tree-row[data-status="validated"] { border-left: 3px solid transparent; }

/* Point 4: Depth-based row coloring for visual hierarchy */
.dim-tree-row[data-depth="0"] { background: transparent; }
.dim-tree-row[data-depth="1"] { background: color-mix(in srgb, var(--accent) 3%, transparent); }
.dim-tree-row[data-depth="2"] { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.dim-tree-row[data-depth="3"] { background: color-mix(in srgb, var(--accent) 9%, transparent); }
.dim-tree-row[data-depth="4"] { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.dim-tree-row.selected { background: color-mix(in srgb, var(--accent) 12%, transparent) !important; }

/* Checkbox in dim tree */
.dim-tree-check { width: 15px; height: 15px; margin: 0 4px 0 0; cursor: pointer; accent-color: var(--accent); flex-shrink: 0; }

/* Swap toggle button */
.dim-swap-btn { font-size: 14px; padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border-color); background: transparent; cursor: pointer; }
.dim-swap-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.dim-swap-btn:hover { background: var(--bg-tertiary); }
.dim-swap-btn.active:hover { background: var(--accent); opacity: 0.9; }

/* Bulk selection actions row */
.dim-sel-actions { display: inline-flex; align-items: center; gap: 3px; }
.dim-sel-actions .btn-xs { min-width: 22px; padding: 2px 5px; font-size: 12px; }

/* Focus outline for paste support */
.dim-tree:focus { outline: none; }

/* Collapse/expand toggle */
.dim-tree-toggle {
    width: 18px; height: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 10px; color: var(--text-secondary);
    cursor: pointer; border-radius: 3px; flex-shrink: 0;
    transition: transform 0.15s, background 0.1s;
    user-select: none; margin-right: 2px;
}
.dim-tree-toggle:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.dim-tree-toggle.collapsed { transform: rotate(-90deg); }
.dim-tree-row.dim-collapsed-child { display: none !important; }

/* Search highlight */
.dim-highlight {
    background: #FBBF24; color: #000; border-radius: 2px; padding: 0 1px;
    font-weight: inherit;
}

/* Keyboard navigation focus */
.dim-tree-row.kb-focus {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    z-index: 1;
}

/* Improved search bar */
.dim-search {
    flex: 0 0 200px;
    padding: 5px 10px 5px 28px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%2394a3b8' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 8px center;
    color: var(--text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.dim-search:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15); /* fallback */
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
    outline: none;
}
.dim-search::placeholder { color: var(--text-muted); }

/* Result count badge */
.dim-search-count {
    font-size: 10px;
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    white-space: nowrap;
}

/* Better row hover & transitions */
.dim-tree-row {
    transition: background 0.1s, opacity 0.15s;
    cursor: default;
}

/* Dim-Assoc lacunes */
.dim-assoc-gap {
    background: rgba(220, 38, 38, 0.08); /* fallback */
    background: color-mix(in srgb, var(--danger) 8%, transparent);
}
.dim-assoc-table select {
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 2px 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
}
.dim-assoc-gap select {
    border-color: rgba(220, 38, 38, 0.4); /* fallback */
    border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}

/* Members inline edit */
.mem-label-editable { cursor: default; }
.mem-label-editable.editing {
    background: var(--bg-primary);
    outline: 2px solid var(--accent);
    border-radius: 3px;
    padding: 1px 6px;
    cursor: text;
}
.mem-add-key:empty::before, .mem-add-label:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
}
#members-list:focus { outline: none; }

/* Cost Import Page */
.cost-import-page {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}
.cost-import-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
    max-width: 1000px;
}
.cost-import-form-panel {
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.cost-import-summary-panel {
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.cost-import-summary-row {
    display: flex;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
    font-size: 13px;
}
@media (max-width: 800px) {
    .cost-import-layout { grid-template-columns: 1fr; }
}

/* Drop zone */
.cost-drop-zone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-primary);
}
.cost-drop-zone:hover { border-color: var(--accent); background: rgba(79, 70, 229, 0.04); /* fallback */ border-color: var(--accent); background: color-mix(in srgb, var(--accent) 4%, transparent); }
.cost-drop-zone.dragover { border-color: var(--accent); background: rgba(79, 70, 229, 0.1); transform: scale(1.01); /* fallback */ border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); transform: scale(1.01); }
.cost-drop-icon { font-size: 28px; margin-bottom: 4px; }
.cost-drop-text { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.cost-drop-hint { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ═══════════════════════════════════════
   TreeDropdown Component
   ═══════════════════════════════════════ */
.tdd-wrap { position: relative; display: inline-block; }
.tdd-trigger {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary); color: var(--text-primary);
    font-size: 12px; cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
    white-space: nowrap; max-width: 200px;
}
.tdd-trigger:hover { border-color: var(--accent); }
.tdd-trigger:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15); outline: none; /* fallback */ border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent); outline: none; }
.tdd-trigger-label { overflow: hidden; text-overflow: ellipsis; }
.tdd-trigger-label.tdd-has-selection { font-weight: 600; color: var(--accent); }
.tdd-trigger-arrow { font-size: 9px; color: var(--text-muted); flex-shrink: 0; }

.tdd-dropdown {
    position: absolute; top: calc(100% + 4px); left: 0;
    min-width: 280px; max-width: 360px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 1000;
    display: flex; flex-direction: column;
    max-height: 380px;
}
.tdd-search-wrap { padding: 6px; border-bottom: 1px solid var(--border-color); }
.tdd-search {
    width: 100%; padding: 5px 8px; font-size: var(--font-md);
    border: 1px solid var(--border-color); border-radius: var(--radius-md);
    background: var(--bg-secondary); color: var(--text-primary);
    outline: none;
}
.tdd-search:focus { border-color: var(--accent); }
.tdd-search::placeholder { color: var(--text-muted); }

.tdd-actions {
    display: flex; align-items: center; gap: 4px;
    padding: 4px 6px; border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary); flex-wrap: wrap;
}
.tdd-act-btn, .tdd-level-btn {
    padding: 2px 8px; font-size: var(--font-xs); font-weight: 600;
    border: 1px solid var(--border-color); border-radius: var(--radius-sm);
    background: var(--bg-primary); color: var(--text-secondary);
    cursor: pointer; transition: all 0.1s;
}
.tdd-act-btn:hover, .tdd-level-btn:hover {
    background: var(--accent); color: #fff; border-color: var(--accent);
}
.tdd-level-label {
    font-size: 10px; font-weight: 600; color: var(--text-muted);
    margin-left: auto; margin-right: 2px;
}

.tdd-list {
    overflow-y: auto; flex: 1; padding: 4px 0;
}
.tdd-item {
    display: flex; align-items: center; gap: 4px;
    padding: 3px 8px; font-size: 12px;
    cursor: pointer; transition: background 0.08s;
}
.tdd-item:hover { background: var(--bg-tertiary); }
.tdd-item.checked { background: rgba(79, 70, 229, 0.08); /* fallback */ background: color-mix(in srgb, var(--accent) 8%, transparent); }
.tdd-item-group .tdd-item-name { font-weight: 600; }

.tdd-toggle {
    width: 16px; height: 16px; display: inline-flex;
    align-items: center; justify-content: center;
    font-size: 9px; color: var(--text-muted);
    cursor: pointer; border-radius: 3px; flex-shrink: 0;
    transition: transform 0.15s;
}
.tdd-toggle:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.tdd-toggle.collapsed { transform: rotate(-90deg); }
.tdd-toggle-spacer { width: 16px; flex-shrink: 0; }

.tdd-checkbox-label {
    display: flex; align-items: center; gap: 4px; flex: 1; min-width: 0; cursor: pointer;
}
.tdd-checkbox-label input[type="checkbox"] { margin: 0; flex-shrink: 0; accent-color: var(--accent); }
.tdd-item-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tdd-item-ref { font-size: 10px; color: var(--text-muted); font-family: monospace; flex-shrink: 0; margin-left: auto; }
.tdd-hl { background: #FBBF24; color: #000; border-radius: 2px; padding: 0 1px; }
.tdd-empty { padding: 16px; text-align: center; color: var(--text-muted); font-size: 12px; }

/* ═══════════════════════════════════════
   BPMN Ports
   ═══════════════════════════════════════ */
.bpmn-port {
    transition: r 0.1s, opacity 0.1s;
    pointer-events: all;
}
.bpmn-port-layer {
    pointer-events: none;
}
.bpmn-port-layer circle {
    pointer-events: all;
}

/* ═══════════════════════════════════════
   Matching Grid
   ═══════════════════════════════════════ */
/* ═══ Matching Grid — Excel-like Ribbon ═══ */

/* Ribbon container */
.mg-ribbon {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border);
    flex-shrink: 0;
}
.mg-ribbon-nav {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-bottom: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    padding: 6px 12px; border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}
.mg-rb-back {
    padding: 4px 10px; border-radius: 4px; border: 1px solid var(--border);
    background: var(--bg-primary); color: var(--text-primary); cursor: pointer;
    font-size: 14px; line-height: 1;
}
.mg-rb-back:hover { background: var(--bg-tertiary); }
.mg-rb-title { font-size: 14px; font-weight: 600; }
.mg-rb-stats {
    margin-left: auto; font-size: 11px; color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* Ribbon groups row — wraps on small screens */
.mg-ribbon-groups {
    display: flex; align-items: stretch; gap: 0;
    padding: 0; flex-wrap: wrap;
}
.mg-rb-group {
    display: flex; flex-direction: column;
    border-right: 1px solid rgba(203, 213, 225, 0.4); /* fallback */
    border-right: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
    border-bottom: 1px solid rgba(203, 213, 225, 0.2); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border) 20%, transparent);
    min-width: 0; flex-shrink: 1;
}
.mg-rb-group:last-child { border-right: none; }
.mg-rb-group-body {
    display: flex; align-items: center; gap: 3px;
    padding: 3px 8px; flex: 1;
    flex-wrap: wrap;
}
.mg-rb-group-label {
    font-size: 8px; text-transform: uppercase; letter-spacing: 0.4px;
    color: var(--text-muted); text-align: center;
    padding: 1px 8px 2px; border-top: 1px solid rgba(203, 213, 225, 0.3); /* fallback */
    padding: 1px 8px 2px; border-top: 1px solid color-mix(in srgb, var(--border) 30%, transparent);
    background: rgba(226, 232, 240, 0.5); /* fallback */
    background: color-mix(in srgb, var(--bg-tertiary) 50%, transparent);
    font-weight: 600;
}

/* Ribbon elements — compact */
.mg-rb-select {
    font-size: 10px; padding: 2px 4px; border: 1px solid var(--border);
    border-radius: 4px; background: var(--bg-primary); color: var(--text-primary);
    max-width: 120px;
}
.mg-rb-btn {
    padding: 2px 6px; font-size: 10px; font-weight: 600;
    border: 1px solid var(--border); border-radius: 4px;
    background: var(--bg-primary); color: var(--text-primary);
    cursor: pointer; white-space: nowrap;
}
.mg-rb-btn:hover { background: var(--bg-tertiary); }
.mg-rb-btn-accent { border-color: var(--accent); color: var(--accent); }
.mg-rb-btn-accent:hover { background: var(--accent); color: #fff; }
.mg-rb-btn-danger { border-color: var(--danger); color: var(--danger); }
.mg-rb-btn-danger:hover { background: var(--danger); color: #fff; }
.mg-rb-toggle {
    display: flex; align-items: center; gap: 2px;
    font-size: 10px; cursor: pointer; white-space: nowrap;
}
.mg-rb-toggle input { margin: 0; accent-color: var(--accent); width: 13px; height: 13px; }
.mg-rb-sel-count {
    font-size: 14px; font-weight: 700; color: var(--accent);
    min-width: 24px; text-align: center;
}

/* Color palette in ribbon */
.mg-rb-color-palette {
    display: flex; gap: 2px; align-items: center;
}
.mg-rb-color-swatch {
    width: 16px; height: 16px; border-radius: 3px;
    border: 1.5px solid transparent; cursor: pointer;
    transition: transform 0.1s, border-color 0.1s;
    display: flex; align-items: center; justify-content: center;
    font-size: 9px; color: var(--text-muted);
}
.mg-rb-color-swatch:hover { transform: scale(1.15); border-color: var(--text-secondary); }
.mg-rb-color-swatch.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); transform: scale(1.1); }

/* Legacy toolbar (kept for macro view) */
.mg-toolbar {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; border-bottom: 2px solid var(--border);
    flex-wrap: wrap; background: var(--bg-secondary); flex-shrink: 0;
}
.mg-toolbar h3 { margin: 0; font-size: 14px; white-space: nowrap; }
.mg-search {
    padding: 3px 8px 3px 24px; font-size: 11px; border: 1px solid var(--border);
    border-radius: 5px; background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 6px center;
    color: var(--text-primary); width: 140px;
}
.mg-search:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15); /* fallback */ border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent); }
.mg-toggle { font-size: 11px; display: flex; align-items: center; gap: 4px; white-space: nowrap; color: var(--text-secondary); cursor: pointer; }
.mg-info { font-size: 11px; color: var(--text-muted); margin-left: auto; white-space: nowrap; background: var(--bg-tertiary); padding: 2px 8px; border-radius: 10px; }
.mg-sel-info { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--accent); }
.mg-empty { padding: 60px 20px; text-align: center; color: var(--text-muted); font-size: 14px; }

.mg-macro-grid, .mg-detail-grid { overflow: auto; flex: 1; min-height: 0; padding: 12px; }

/* ─── Table Excel-like ─── */
.mg-table { border-collapse: separate; border-spacing: 0; font-size: 12px; border: 2px solid var(--border-color); }
.mg-table th, .mg-table td { border: 1px solid var(--border-color); }
.mg-table tbody tr:nth-child(even) td:not(.mg-row-label):not(.mg-sticky-col) { background-color: var(--bg-table-alt); }
.mg-table tbody tr:nth-child(even) .mg-cell-active { background-color: #C6F6D5; }
.mg-table tbody tr:nth-child(even) .mg-cell-draft { background-color: #FEF08A; }
.mg-table tbody tr:hover td:not(.mg-row-label):not(.mg-sticky-col) { background-color: #EBF5FF !important; }

/* Corner cell — frozen top-left (z-index highest) */
.mg-corner {
    background: var(--bg-table-header); padding: 10px 16px; font-weight: 700; font-size: 12px;
    min-width: 180px; text-align: left;
    position: sticky; left: 0; top: 0; z-index: 4;
    border-right: 2px solid var(--border-color) !important;
    border-bottom: 2px solid var(--border-color) !important;
}
.mg-corner-labels { display: flex; flex-direction: column; gap: 2px; font-size: 10px; font-weight: 400; }

/* Column headers — frozen top row */
.mg-mod-header, .mg-col-header {
    position: sticky; top: 0; z-index: 3;
}
.mg-mod-header {
    padding: 10px 16px; background: var(--bg-table-header); font-weight: 700; white-space: nowrap;
    font-size: 12px; min-width: 140px;
    border-bottom: 2px solid var(--border-color) !important;
}
.mg-col-header {
    padding: 6px 10px; background: var(--bg-table-header); font-weight: 600; font-size: 11px;
    white-space: nowrap; max-width: 120px; overflow: hidden; text-overflow: ellipsis;
    border-bottom: 2px solid var(--border-color) !important;
}
.mg-mod-icon {
    display: inline-flex; width: 20px; height: 20px; border-radius: 4px;
    color: #fff; font-size: 11px; font-weight: 700;
    align-items: center; justify-content: center;
    margin-right: 6px; vertical-align: middle;
}

/* Row headers — frozen left column */
.mg-row-header {
    padding: 8px 16px; background: var(--bg-table-header); font-weight: 600; white-space: nowrap;
    font-size: 12px; text-align: left;
    position: sticky; left: 0; z-index: 2;
    border-right: 2px solid var(--border-color) !important;
}
.mg-row-label {
    padding: 6px 12px; background: var(--bg-primary); font-size: 12px; text-align: left;
    white-space: nowrap; max-width: 200px; overflow: hidden; text-overflow: ellipsis;
    position: sticky; left: 0; z-index: 2;
    border-right: 2px solid var(--border-color) !important;
    box-shadow: 2px 0 4px rgba(0,0,0,0.04);
}
.mg-sticky-col {
    position: sticky; left: 0; z-index: 2; background: var(--bg-primary);
    border-right: 2px solid var(--border-color) !important;
    box-shadow: 2px 0 4px rgba(0,0,0,0.04);
}
/* Corner cell must beat both column headers (z:3) and sticky-col (z:2) */
.mg-corner.mg-sticky-col { z-index: 5; }
/* Ensure sticky row labels cover scrolled content */
tr:nth-child(even) .mg-row-label,
tr:nth-child(even) .mg-sticky-col { background: var(--bg-table-header); }

/* ─── Cells ─── */
.mg-cell {
    width: 80px; min-width: 80px; height: 36px; cursor: pointer;
    transition: background 0.12s, transform 0.1s, box-shadow 0.12s; position: relative;
    font-variant-numeric: tabular-nums;
    text-align: center; vertical-align: middle;
}
.mg-cell:hover { box-shadow: inset 0 0 0 1.5px rgba(79, 70, 229, 0.3); /* fallback */ box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--accent) 30%, transparent); }
.mg-cell:active { transform: scale(0.95); }

/* Pulse animation on toggle */
@keyframes mg-pulse {
    0% { box-shadow: inset 0 0 0 0 rgba(99, 102, 241, 0.4); }
    50% { box-shadow: inset 0 0 0 3px rgba(99, 102, 241, 0.3); }
    100% { box-shadow: inset 0 0 0 0 rgba(99, 102, 241, 0); }
}
.mg-cell.mg-just-toggled { animation: mg-pulse 0.3s ease-out; }
.mg-cell:hover { background: rgba(79, 70, 229, 0.12) !important; /* fallback */ background: color-mix(in srgb, var(--accent) 12%, transparent) !important; }
.mg-cell-empty { background: var(--bg-primary); }
.mg-cell-empty .mg-plus, .mg-cell-empty .mg-plus-sm {
    color: #CBD5E1; font-size: 16px; font-weight: 300;
    opacity: 0; transition: opacity 0.15s;
}
.mg-cell-empty:hover .mg-plus, .mg-cell-empty:hover .mg-plus-sm { opacity: 0.7; }
.mg-cell-draft { background: #FEF9C3; }
.mg-cell-proposed { background: #EDE9FE; }
.mg-cell-active, .mg-cell-validated { background: #D1FAE5; }
.mg-cell-self { background: #E0E7FF; }
.mg-cell-selected { box-shadow: inset 0 0 0 2px var(--accent); z-index: 1; position: relative; }
.mg-cell-focus { outline: 2px solid #1D4ED8; outline-offset: -2px; z-index: 2; position: relative; }

/* Cross-highlight: tinted row + column when cell is focused */
.mg-cross-row { background: #EFF6FF !important; }
.mg-cross-col { background: #EFF6FF !important; }
.mg-cross-label { background: #DBEAFE !important; font-weight: 700 !important; }

/* kbd styling for ribbon */
.mg-rb-group kbd {
    display: inline-block; padding: 0px 3px; font-size: 8px;
    background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: 2px; font-family: monospace; box-shadow: 0 1px 0 var(--border);
    vertical-align: middle;
}
/* Status icons in cells */
.mg-st-icon { font-size: 16px; font-weight: 700; line-height: 1; }
.mg-st-valid { color: #047857; }
.mg-st-proposed { color: #7C3AED; font-size: 15px; }
.mg-st-draft { color: #B45309; font-size: 14px; }
.mg-cell-proposed { background: #EDE9FE !important; }
/* Legacy .mg-check compat */
.mg-check { font-size: 13px; font-weight: 700; margin-right: 2px; }
.mg-cell-draft .mg-check { color: #B45309; }
.mg-cell-active .mg-check { color: #047857; }
/* Driver assigned dot */
.mg-drv-dot {
    display: inline-block; width: 7px; height: 7px; border-radius: 50%;
    background: #059669; position: absolute; top: 4px; right: 4px;
    cursor: help;
}
.mg-badge-driver { font-size: 10px; font-weight: 600; color: #047857; display: inline-block; line-height: 1; padding: 1px 4px; border-radius: 6px; background: rgba(4,120,87,0.08); min-width: 16px; }
.mg-badge-draft { font-size: 10px; font-weight: 600; color: #B45309; display: inline-block; line-height: 1; padding: 1px 4px; border-radius: 6px; background: rgba(180,83,9,0.08); min-width: 16px; }

/* Totals */
.mg-total-header, .mg-total-cell {
    padding: 6px 10px; font-weight: 700; font-size: 12px;
    background: var(--bg-table-header); color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}
.mg-grand-total { font-weight: 800; color: var(--accent); font-size: 13px; }
.mg-totals-row td { border-top: 2px solid var(--border-color) !important; }

/* Legend */
.mg-legend {
    display: flex; gap: 20px; padding: 8px 16px; font-size: 11px;
    color: var(--text-secondary); border-top: 2px solid var(--border);
    background: var(--bg-secondary); flex-shrink: 0;
}
.mg-legend-item { display: flex; align-items: center; gap: 5px; }
.mg-legend-dot { width: 12px; height: 12px; border-radius: 2px; }
.mg-dot-active { background: #ECFDF5; border: 1px solid #059669; }
.mg-dot-draft { background: #FFFBEB; border: 1px solid #D97706; }
.mg-dot-self { background: #EEF2FF; border: 1px solid #818CF8; }
.mg-dot-empty { background: var(--bg-primary); border: 1px solid var(--border-color); }
.mg-dot-partial { background: #FEF3C7; border: 1px dashed #F59E0B; }

/* Spinner for loading large matrices */
.mg-spinner { width: 32px; height: 32px; border: 3px solid var(--border-color); border-top-color: var(--accent); border-radius: 50%; animation: mg-spin 0.8s linear infinite; }
@keyframes mg-spin { to { transform: rotate(360deg); } }

/* Module member count badge in macro headers */
.mg-mod-count { font-size: 10px; color: var(--text-muted); margin-left: 4px; font-weight: 400; }
.mg-mod-count::before { content: '('; }
.mg-mod-count::after { content: ')'; }
.mg-mod-empty { opacity: 0.5; }
.mg-mod-empty .mg-mod-count { color: #F59E0B; font-weight: 600; }

/* Partial cell: one module side has no members */
.mg-cell-partial { background: repeating-linear-gradient(45deg, transparent, transparent 4px, rgba(245,158,11,0.08) 4px, rgba(245,158,11,0.08) 8px) !important; }
.mg-cell-partial .mg-plus { color: #F59E0B; font-size: 14px; }

/* Scroll status (discreet Excel-like position indicator) */
.mg-scroll-status {
    display: flex; align-items: center; gap: 16px;
    padding: 3px 12px; font-size: 10px;
    color: var(--text-muted); flex-shrink: 0;
    opacity: 0.6; transition: opacity 0.2s;
    border-bottom: 1px solid var(--border-color);
}
.mg-scroll-status:hover { opacity: 1; }

/* Legacy pagination (kept for backward compat) */
.mg-pagination {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border); font-size: 11px;
    color: var(--text-secondary); flex-shrink: 0;
}
.mg-pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

/* Hierarchy groups */
.mg-group-row { background: #F1F5F9 !important; }
.mg-group-row .mg-row-label { font-weight: 700; background: var(--bg-table-header); }
.mg-group-header { background: #F1F5F9 !important; font-weight: 700; }
.mg-row-toggle, .mg-col-toggle {
    display: inline-block; cursor: pointer; font-size: 9px; color: var(--text-muted);
    margin-right: 3px; transition: color 0.1s;
}
.mg-row-toggle:hover, .mg-col-toggle:hover { color: var(--accent); }
.mg-cell-agg { font-size: 10px; }
.mg-agg-count { font-weight: 700; font-size: 11px; display: inline-block; min-width: 14px; padding: 0 3px; border-radius: 4px; background: rgba(0,0,0,0.04); }
.mg-corner-link { cursor: pointer; text-decoration: underline; text-decoration-style: dashed; }
.mg-corner-link:hover { text-decoration-style: solid; }

/* ─── Grid Header D&D ─── */
.mg-col-header[draggable="true"], .mg-row-label[draggable="true"] { cursor: grab; }
.mg-col-header[draggable="true"]:active, .mg-row-label[draggable="true"]:active { cursor: grabbing; }
.mg-col-header.mg-hdr-drag-over-left { box-shadow: inset 3px 0 0 0 var(--accent); }
.mg-col-header.mg-hdr-drag-over-right { box-shadow: inset -3px 0 0 0 var(--accent); }
.mg-row-label.mg-hdr-drag-over-top { box-shadow: inset 0 3px 0 0 var(--accent); }
.mg-row-label.mg-hdr-drag-over-bottom { box-shadow: inset 0 -3px 0 0 var(--accent); }
.mg-hdr-dragging { opacity: 0.4; }
.mg-hdr-add-btn {
    display: none; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--accent); font-size: 12px; line-height: 14px;
    text-align: center; cursor: pointer; z-index: 2; padding: 0;
}
.mg-col-header:hover .mg-hdr-add-btn, .mg-row-label:hover .mg-hdr-add-btn { display: block; }
.mg-hdr-del-btn {
    display: none; position: absolute; right: 2px; bottom: 2px;
    width: 14px; height: 14px; border-radius: 50%; border: none;
    background: var(--danger); color: #fff; font-size: 9px; line-height: 12px;
    text-align: center; cursor: pointer; z-index: 2; padding: 0;
}
.mg-col-header:hover .mg-hdr-del-btn, .mg-row-label:hover .mg-hdr-del-btn { display: block; }
.mg-add-col-th, .mg-add-row-td {
    width: 32px; min-width: 32px; text-align: center; vertical-align: middle;
    cursor: pointer; color: var(--text-muted); font-size: 18px; font-weight: 300;
    background: var(--bg-primary); border: 1px dashed var(--border) !important;
    transition: background 0.15s, color 0.15s;
}
.mg-add-col-th:hover, .mg-add-row-td:hover {
    background: var(--accent-light); color: var(--accent); font-weight: 600;
}

/* ========================================
   BPMN Diagram Ribbon Integration
   ======================================== */
.bpmn-rb-master {
    background: var(--accent-light) !important; color: var(--accent) !important;
    font-weight: 700 !important; border: 1.5px solid var(--accent) !important;
}
.bpmn-rb-master:hover {
    background: var(--accent) !important; color: #fff !important;
}
.bpmn-rb-diag-select {
    min-width: 150px; max-width: 220px;
}
.bpmn-rb-del:hover {
    background: #FEE2E2 !important; color: var(--danger) !important;
}
.bpmn-dbar-info-item {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: var(--font-xs); padding: 2px 6px; border-radius: 8px;
    background: var(--bg-tertiary);
}

/* ─── Slide panel (member editor) — Excel-like spreadsheet ─── */
.mg-panel {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: 400px; max-width: 55vw;
    background: var(--bg-primary);
    border-left: 2px solid var(--border-color);
    box-shadow: -6px 0 24px rgba(0,0,0,0.12);
    z-index: 100; display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform 0.2s ease;
}
.mg-panel.open { transform: translateX(0); }

.mg-panel-header {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; background: #E8EAF6;
    border-bottom: 2px solid var(--border-color); flex-shrink: 0;
}
.mg-panel-header h3 { margin: 0; font-size: 13px; font-weight: 700; }

.mg-panel-toolbar {
    display: flex; align-items: center; gap: 6px;
    padding: 4px 8px; border-bottom: 1px solid var(--border-color);
    background: var(--bg-panel); flex-shrink: 0;
}

/* ── Spreadsheet rows ── */
.mg-panel-list { flex: 1; overflow-y: auto; }

.mg-panel-row {
    display: grid;
    grid-template-columns: 18px 1fr 70px 22px 22px;
    align-items: center; gap: 0;
    height: 26px; font-size: 12px;
    border-bottom: 1px solid #E5E7EB;
    cursor: default; padding: 0 4px;
}
.mg-panel-row:nth-child(even) { background: #FAFBFC; }
.mg-panel-row:hover { background: #EBF5FF; }
.mg-panel-row[data-status="draft"] { border-left: 3px solid #94A3B8; }
.mg-panel-row[data-status="maybe"] { border-left: 3px solid #F59E0B; background: #FFFBEB !important; }
.mg-panel-row[data-status="proposed"] { border-left: 3px solid #8B5CF6; }
.mg-panel-row[data-status="validated"] { border-left: 3px solid #10B981; }

.mg-panel-group { background: #E8EAF6 !important; font-weight: 700; height: 28px; }
.mg-panel-group:hover { background: #D1D5FF !important; }

.mg-panel-drag {
    cursor: grab; color: #CBD5E1; font-size: 9px; text-align: center;
    opacity: 0.3; line-height: 26px;
}
.mg-panel-row:hover .mg-panel-drag { opacity: 0.7; }
.mg-panel-folder { font-size: 12px; flex-shrink: 0; margin-right: 2px; }

.mg-panel-label {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    padding: 2px 4px; border-radius: 2px; line-height: 22px;
    border: 1px solid transparent;
}
.mg-panel-label:focus {
    background: var(--bg-primary); border: 1px solid var(--accent);
    outline: none; box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2); /* fallback */
    outline: none; box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
}

.mg-panel-ref {
    font-size: 10px; color: #94A3B8; font-family: 'Consolas', 'Monaco', monospace;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    text-align: right; padding-right: 4px;
}

.mg-panel-status {
    cursor: pointer; font-size: 12px; text-align: center;
    line-height: 26px; border-radius: 3px;
    transition: background 0.1s;
}
.mg-panel-status:hover { background: #E5E7EB; }

.mg-panel-del {
    background: none; border: none; color: #CBD5E1; cursor: pointer;
    font-size: 13px; text-align: center; line-height: 26px;
    opacity: 0; transition: opacity 0.1s; padding: 0;
}
.mg-panel-row:hover .mg-panel-del { opacity: 0.6; }
.mg-panel-del:hover { opacity: 1 !important; color: #EF4444; }

.mg-panel-add {
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    height: 28px; border: 1px dashed #CBD5E1; margin: 4px 8px; border-radius: 4px;
    font-size: 12px;
}
.mg-panel-add:hover { background: #EBF5FF; border-color: var(--accent); }

.mg-panel-footer {
    padding: 6px 10px; border-top: 2px solid var(--border-color);
    background: var(--bg-panel); flex-shrink: 0;
}

/* Column headers (Excel-like) */
.mg-panel-colheaders {
    display: grid;
    grid-template-columns: 18px 1fr 70px 22px 22px;
    gap: 0; padding: 0 4px; height: 22px;
    background: #E2E8F0; border-bottom: 2px solid var(--border-color);
    font-size: 10px; font-weight: 700; color: #475569;
    align-items: center; flex-shrink: 0;
    text-transform: uppercase; letter-spacing: 0.3px;
}
.mg-panel-ch { padding: 0 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mg-panel-stat {
    font-size: 11px; font-weight: 700; padding: 0 4px;
    font-variant-numeric: tabular-nums;
}

/* Drag & drop zones */
.mg-panel-drop-above { box-shadow: inset 0 2px 0 var(--accent); }
.mg-panel-drop-below { box-shadow: inset 0 -2px 0 var(--accent); }
.mg-panel-drop-child { background: #eae9fc !important; /* fallback */ background: color-mix(in srgb, var(--accent) 12%, #fff) !important; }

/* Shared (multi-org) highlight */
.mg-panel-shared { background: #FFF7ED !important; }
.mg-panel-shared:nth-child(even) { background: #FEF3E2 !important; }
.mg-shared-icon { font-size: 11px; vertical-align: middle; }

/* Legacy toolbar filter row (replaced by ribbon but kept for compat) */
.mg-toolbar-filters { padding: 4px 12px; background: var(--bg-table-header); border-bottom: 1px solid var(--border-color); gap: 6px; }
.mg-filter-select {
    font-size: 11px; padding: 3px 6px;
    border: 1px solid var(--border-color); border-radius: 4px;
    background: var(--bg-primary); color: var(--text-primary);
}
.mg-filter-select:focus { border-color: var(--accent); outline: none; }

/* Cell color dot */
.mg-color-dot {
    position: absolute; bottom: 2px; left: 2px;
    width: 6px; height: 6px; border-radius: 50%;
    pointer-events: none;
}
.mg-cell-hidden { opacity: 0.08; pointer-events: none; }

/* Color context menu */
.mg-color-menu {
    position: fixed; z-index: 2000;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    padding: 6px; min-width: 180px;
}
.mg-color-swatches {
    display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; padding: 4px;
}
.mg-swatch {
    width: 24px; height: 24px; border-radius: 4px; cursor: pointer;
    border: 2px solid transparent; transition: transform 0.1s, border-color 0.1s;
    display: inline-flex; align-items: center; justify-content: center;
}
.mg-swatch:hover { transform: scale(1.15); }
.mg-swatch-active { border-color: #1E293B !important; box-shadow: 0 0 0 1px #fff, 0 0 0 3px #1E293B; }
.mg-swatch-clear {
    background: var(--bg-table-header); border: 1px dashed #94A3B8;
    font-size: 11px; color: #94A3B8;
}
.mg-swatch-clear:hover { color: #EF4444; border-color: #EF4444; }
.mg-color-bulk {
    margin-top: 4px; padding: 4px 8px; font-size: 10px;
    color: var(--text-muted); text-align: center;
    border-top: 1px solid #E5E7EB;
}

/* Rich context menu */
.mg-ctx-menu {
    position: fixed; z-index: 2000;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 8px; box-shadow: var(--shadow-md);
    min-width: 220px; max-width: 300px;
    max-height: calc(100vh - 16px); overflow-y: auto;
    font-size: 12px;
    user-select: none;
    animation: dropdownFadeIn 0.15s ease-out;
}
.mg-ctx-section {
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color);
}
.mg-ctx-section:last-child { border-bottom: none; }
.mg-ctx-label {
    padding: 4px 12px 2px; font-size: 10px; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px;
}
.mg-ctx-item {
    padding: 8px 12px; cursor: pointer; display: flex; align-items: center; gap: 8px;
    border-radius: var(--radius-sm); transition: background 0.08s;
}
.mg-ctx-item:hover { background: var(--bg-tertiary); }
.mg-ctx-item.mg-ctx-danger { color: var(--danger); }
.mg-ctx-item.mg-ctx-danger:hover { background: #FEF2F2; }
.mg-ctx-item.mg-ctx-info {
    font-size: 11px; color: var(--text-secondary); cursor: default;
    padding: 3px 12px;
}
.mg-ctx-item.mg-ctx-info:hover { background: transparent; }
.mg-ctx-icon { width: 16px; text-align: center; font-size: 13px; flex-shrink: 0; }

/* Status buttons in context menu */
.mg-ctx-status-btn {
    flex: 1; padding: 4px 6px; border-radius: 4px;
    border: 1.5px solid var(--st-color, #94A3B8);
    background: transparent; color: var(--st-color, #94A3B8);
    font-size: 11px; font-weight: 600; cursor: pointer;
    transition: all 0.12s;
}
.mg-ctx-status-btn:hover {
    background: rgba(107, 114, 128, 0.12); /* fallback */
    background: color-mix(in srgb, var(--st-color) 12%, transparent);
}
.mg-ctx-status-btn.active {
    background: var(--st-color, #94A3B8);
    color: #fff;
}

/* Color filter dropdown */
.mg-color-filter option { font-size: 12px; }

/* Header filter icon (Excel ▼) */
.mg-hdr-filter {
    display: inline-block; font-size: 8px; color: var(--border-color);
    cursor: pointer; margin-left: 3px; vertical-align: middle;
    transition: color 0.1s;
}
.mg-hdr-filter:hover { color: var(--accent); }
.mg-row-filter { float: right; margin-top: 2px; }
.mg-col-excluded { opacity: 0.3; }
.mg-row-excluded td { opacity: 0.15; }

/* Filter popup (Excel-like) */
.mg-filter-popup {
    position: fixed; z-index: 2000;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    width: 230px; font-size: 12px;
}
.mg-fp-header {
    display: flex; align-items: center; gap: 4px;
    padding: 8px 10px; border-bottom: 1px solid #E5E7EB;
    font-size: 12px;
}
.mg-fp-close { margin-left: auto; background: none; border: none; cursor: pointer; font-size: 14px; color: var(--text-muted); }
.mg-fp-stats { padding: 4px 10px; font-size: 10px; color: var(--text-secondary); display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.mg-fp-actions { display: flex; gap: 4px; padding: 4px 10px; align-items: center; border-top: 1px solid #F1F5F9; }
.mg-fp-check { display: flex; align-items: center; gap: 4px; font-size: 11px; cursor: pointer; }

/* Detail tooltip on hover */
.mg-detail-tip {
    position: fixed; z-index: 2000;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    padding: 0; min-width: 220px; max-width: 320px;
    font-size: 12px; pointer-events: none;
}
.mg-dt-header {
    padding: 8px 10px; border-bottom: 1px solid #E5E7EB;
    font-size: 12px; background: var(--bg-table-header); border-radius: 8px 8px 0 0;
}
.mg-dt-section { padding: 4px 10px; }
.mg-dt-title { font-size: 10px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; }
.mg-dt-row { font-size: 11px; padding: 1px 0; color: var(--text-secondary); }

/* ─── Matching Grid: Header labels Source / Destination ─── */
.mg-axis-label {
    display: block; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-muted); margin-bottom: 1px; opacity: 0.7;
}
.mg-axis-label-src::before { content: '↓ '; }
.mg-axis-label-dst::before { content: '→ '; }

/* ─── Matching Grid: Folder icon on group/node col headers ─── */
.mg-col-folder { font-size: 10px; margin-right: 2px; }

/* ─── Matching Grid: Painting palette in ribbon ─── */
.mg-rb-paint-palette {
    display: flex; gap: 2px; align-items: center; flex-wrap: wrap;
}
.mg-rb-paint-swatch {
    width: 18px; height: 18px; border-radius: 4px; cursor: pointer;
    border: 2px solid transparent; transition: transform 0.1s, border-color 0.15s;
    display: inline-flex; align-items: center; justify-content: center; font-size: 9px;
}
.mg-rb-paint-swatch:hover { transform: scale(1.2); }
.mg-rb-paint-swatch.active {
    border-color: #1E293B; box-shadow: 0 0 0 1px #fff, 0 0 0 3px #1E293B;
    transform: scale(1.15);
}
/* ─── Matching Grid: Cell notes (Excel-like red triangle) ─── */
.mg-note-indicator {
    position: absolute; top: 0; right: 0; width: 0; height: 0;
    border-left: 7px solid transparent; border-top: 7px solid #EF4444;
    pointer-events: none; z-index: 1;
}
.mg-cell-info-tip {
    position: fixed; z-index: 1000; background: #fff; border: 1px solid #D1D5DB;
    border-radius: 6px; padding: 8px 10px; font-size: 11px; color: #374151;
    max-width: 280px; box-shadow: 0 4px 12px rgba(0,0,0,0.12); pointer-events: none;
    line-height: 1.5;
}
.mg-cell-info-tip .mg-tip-note {
    margin-top: 4px; padding-top: 4px; border-top: 1px solid #F3F4F6;
    color: #92400E; background: #FFFBEB; margin: 4px -10px -8px; padding: 6px 10px;
    border-radius: 0 0 5px 5px; white-space: pre-wrap;
}
.mg-cell-info-tip .mg-tip-note::before { content: '📝 '; font-size: 10px; }
.mg-cell-info-tip .mg-tip-row { display: flex; gap: 6px; align-items: center; }
.mg-cell-info-tip .mg-tip-label { color: #6B7280; }
.mg-cell-info-tip .mg-tip-color {
    display: inline-block; width: 10px; height: 10px; border-radius: 2px;
    border: 1px solid rgba(0,0,0,0.15); vertical-align: middle;
}

/* ─── Matching Grid: Node checkbox ─── */
.mg-node-check {
    width: 14px; height: 14px; accent-color: var(--accent); cursor: pointer;
    margin-right: 4px; vertical-align: middle; flex-shrink: 0;
}
.mg-node-check:hover { transform: scale(1.15); }

/* ─── Matching Grid: Wrap headers toggle ─── */
.mg-table.mg-wrap .mg-col-header,
.mg-table.mg-wrap .mg-row-label {
    white-space: normal !important;
    word-wrap: break-word;
    max-width: 150px;
    min-height: 40px;
    line-height: 1.3;
}
.mg-table.mg-wrap .mg-col-header { max-width: 120px; }

/* ─── Matching Grid: Row highlight on node cell focus ─── */
.mg-cell-agg.mg-cell-focus,
.mg-cell-agg.mg-cell-selected {
    box-shadow: inset 0 0 0 2px var(--accent);
    z-index: 1; position: relative;
}

/* ─── Matching Grid: Export button ─── */
.mg-rb-export-btn {
    background: #059669; color: #fff; border: none; border-radius: 4px;
    padding: 4px 8px; font-size: 11px; font-weight: 600; cursor: pointer;
    display: flex; align-items: center; gap: 4px;
}
.mg-rb-export-btn:hover { background: #047857; }

/* Wizard steps */
.abc-wizard { display: flex; align-items: center; gap: 0; }
.wiz-step {
    display: inline-flex; flex-direction: column; align-items: center;
    padding: 4px 14px; font-size: 11px; font-weight: 600;
    border: 1px solid var(--border); cursor: pointer;
    color: var(--text-muted); background: var(--bg-primary);
    transition: all 0.15s; white-space: nowrap; gap: 1px;
}
.wiz-step:first-child { border-radius: 6px 0 0 6px; }
.wiz-step:last-child { border-radius: 0 6px 6px 0; }
.wiz-step:not(:first-child) { border-left: none; }
.wiz-step.wiz-done { background: #ECFDF5; color: #059669; border-color: #A7F3D0; }
.wiz-step.wiz-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.wiz-step.wiz-todo { color: var(--text-muted); }
.wiz-step:hover:not(.wiz-active) { background: var(--bg-tertiary); }
.wiz-step-label { font-size: 10px; }
.wiz-step-count { font-size: 9px; opacity: 0.8; }
.wiz-arrow { font-size: 10px; color: var(--text-muted); margin: 0 2px; }

/* BPMN connection color palette swatches */
.bpmn-color-swatch {
    display: inline-block; width: 22px; height: 22px;
    border-radius: 4px; cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.1s, border-color 0.1s;
}
.bpmn-color-swatch:hover { transform: scale(1.15); border-color: var(--text-secondary); }
.bpmn-color-swatch.active { border-color: var(--text-primary); box-shadow: 0 0 0 2px var(--accent); transform: scale(1.1); }

/* BPMN Status buttons */
.bpmn-status-btn {
    padding: 3px 8px; font-size: 10px; font-weight: 600;
    border: 1.5px solid var(--st-color); border-radius: 4px;
    background: transparent; color: var(--st-color);
    cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.bpmn-status-btn:hover { background: rgba(107, 114, 128, 0.1); /* fallback */ background: color-mix(in srgb, var(--st-color) 10%, transparent); }
.bpmn-status-btn.active { background: var(--st-color); color: #fff; }

/* BPMN Layers (calques) */
.bpmn-layer-toggle {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: 10px; cursor: pointer; padding: 2px 6px;
    border-radius: 4px; white-space: nowrap;
    transition: background 0.1s;
}
.bpmn-layer-toggle:hover { background: var(--bg-tertiary); }
.bpmn-layer-toggle input { display: none; }
.bpmn-layer-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--layer-color); flex-shrink: 0;
    border: 2px solid var(--layer-color);
    transition: all 0.15s;
}
.bpmn-layer-toggle input:not(:checked) + .bpmn-layer-dot {
    background: transparent; opacity: 0.4;
}
.bpmn-layer-toggle input:not(:checked) ~ * { opacity: 0.4; }

/* BPMN Search */
.bpmn-search-wrap { position: relative; }
.bpmn-search-input {
    width: 160px; padding: 4px 8px 4px 26px; font-size: 11px;
    border: 1px solid var(--border-color); border-radius: 6px;
    background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 7px center;
    color: var(--text-primary);
}
.bpmn-search-input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15); /* fallback */ border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent); }
.bpmn-search-results {
    position: absolute; top: 100%; left: 0; right: 0; margin-top: 4px;
    background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 6px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12); max-height: 260px; overflow-y: auto; z-index: 1000;
}
.bpmn-search-item {
    padding: 6px 10px; font-size: 11px; cursor: pointer;
    display: flex; align-items: center; gap: 6px;
    border-bottom: 1px solid rgba(203, 213, 225, 0.4); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 40%, transparent);
}
.bpmn-search-item:hover, .bpmn-search-item.focused { background: var(--bg-tertiary); }
.bpmn-search-item:last-child { border-bottom: none; }
.bpmn-search-icon { font-size: 14px; width: 18px; text-align: center; flex-shrink: 0; }
.bpmn-search-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bpmn-search-type { font-size: 9px; color: var(--text-muted); text-transform: uppercase; flex-shrink: 0; }
.bpmn-search-hl { background: #FBBF24; color: #000; border-radius: 2px; padding: 0 1px; }

/* Canvas floating toolbar (zoom controls) */
.bpmn-canvas-toolbar {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 4px 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 10;
    user-select: none;
}
.canvas-tb-btn {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.12s;
}
.canvas-tb-btn:hover { background: var(--bg-tertiary); }
.canvas-tb-btn:active { background: var(--accent); color: #fff; }
.canvas-tb-level {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.canvas-tb-sep {
    width: 1px;
    height: 22px;
    background: var(--border-color);
    margin: 0 4px;
}

/* Minimap */
.bpmn-minimap {
    position: absolute; bottom: 10px; right: 10px;
    width: 180px; height: 110px;
    border: 1px solid rgba(100,116,139,0.3);
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
    z-index: 10;
    pointer-events: auto;
    cursor: pointer;
    opacity: 0.9;
    background: var(--bg-secondary);
    overflow: hidden;
    transition: opacity 0.2s, box-shadow 0.2s;
}
.bpmn-minimap:hover {
    opacity: 1;
    box-shadow: 0 4px 18px rgba(0,0,0,0.18);
}

/* Legend */
.bpmn-legend {
    position: absolute; bottom: 10px; left: 10px;
    display: flex; gap: 8px; flex-wrap: wrap;
    background: rgba(255,255,255,0.9); border: 1px solid var(--border-color);
    border-radius: 6px; padding: 4px 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    z-index: 10; font-size: 10px;
}
.bpmn-legend-item {
    display: flex; align-items: center; gap: 4px;
    color: var(--text-secondary); white-space: nowrap;
}
.bpmn-legend-dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}

/* Inline edit overlay */
.bpmn-inline-edit {
    position: fixed; z-index: 2000;
    padding: 2px 6px; border: 2px solid var(--accent);
    border-radius: 4px; background: var(--bg-primary); color: var(--text-primary);
    font-family: inherit; font-weight: 600; text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    outline: none;
}

/* Properties panel — clean PowerPoint-like */
.prop-el-type-bar {
    padding: 6px 10px;
    border-radius: 6px;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.prop-el-mod-badge {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 600;
}
.prop-conn-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: 10px;
}
.prop-conn-endpoint {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}
.prop-conn-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.prop-conn-el-name {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.prop-conn-mod {
    font-size: 10px;
    color: var(--text-muted);
}
.prop-conn-arrow {
    font-size: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* ═══════════════════════════════════════
   Cross-Navigation Buttons
   ═══════════════════════════════════════ */
.cross-nav-actions {
    display: inline-flex; gap: 3px; margin-left: 4px;
}
.cross-nav-btn {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 1px 6px; font-size: 10px; font-weight: 600;
    border: 1px solid rgba(79, 70, 229, 0.4); /* fallback */
    border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
    border-radius: 3px; background: rgba(79, 70, 229, 0.06); /* fallback */
    border-radius: 3px; background: color-mix(in srgb, var(--accent) 6%, transparent);
    color: var(--accent); cursor: pointer;
    transition: all 0.12s; white-space: nowrap;
}
.cross-nav-btn:hover {
    background: var(--accent); color: #fff; border-color: var(--accent);
}

/* BPMN flash animation for cross-nav highlight */
@keyframes bpmn-flash-anim {
    0%, 100% { opacity: 1; }
    25% { opacity: 0.3; }
    50% { opacity: 1; }
    75% { opacity: 0.3; }
}
.bpmn-flash { animation: bpmn-flash-anim 0.8s ease-in-out 2; }

/* ═══ Allocation Excel-like table ═══ */
.alloc-filters {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.allocations-layout { flex: 1; overflow: auto; }
.alloc-excel-table { font-size: 12px; border-collapse: collapse; width: 100%; }
.alloc-excel-table th {
    position: sticky; top: 0; z-index: 2;
    background: var(--bg-tertiary);
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 600;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}
.alloc-sortable { cursor: pointer; user-select: none; }
.alloc-sortable:hover { color: var(--accent); }
.alloc-excel-table td { padding: 4px 8px; border-bottom: 1px solid rgba(203, 213, 225, 0.4); /* fallback */ padding: 4px 8px; border-bottom: 1px solid color-mix(in srgb, var(--border-color) 40%, transparent); }
.alloc-row:hover { background: var(--bg-tertiary); }
.alloc-row-focus { outline: 2px solid var(--accent); outline-offset: -2px; z-index: 1; position: relative; }
.alloc-cell-name { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.alloc-status-dot { font-size: 14px; cursor: pointer; transition: transform 0.15s; }
.alloc-status-dot:hover { transform: scale(1.3); }

/* ======== IO Hub (Imports/Exports Center) ======== */
.io-hub-container { padding: 16px 24px; max-width: 1400px; }
.io-section { margin-bottom: 32px; }
.io-section-title {
    font-size: 16px; font-weight: 700; color: var(--text-primary);
    border-bottom: 2px solid var(--accent); padding-bottom: 6px; margin-bottom: 16px;
    display: flex; align-items: center; gap: 8px;
}
.io-icon { font-size: 20px; }
.io-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
}
.io-card {
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 8px; overflow: hidden;
    transition: box-shadow 0.15s, transform 0.1s;
}
.io-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-1px); }
.io-card-header {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 12px; background: var(--bg-secondary);
}
.io-card-icon { font-size: 20px; flex-shrink: 0; }
.io-card-title { font-weight: 600; font-size: 13px; flex: 1; }
.io-card-format {
    font-size: 10px; font-weight: 600; padding: 2px 6px;
    background: var(--bg-tertiary); border-radius: 4px; color: var(--text-muted);
    white-space: nowrap;
}
.io-card-body { padding: 10px 12px; }
.io-card-desc { font-size: 12px; color: var(--text-secondary); margin: 0 0 4px; line-height: 1.4; }
.io-card-note {
    font-size: 11px; color: var(--text-muted); margin: 6px 0 0;
    padding: 4px 8px; background: var(--bg-tertiary); border-radius: 4px;
}
.io-card-footer { padding: 8px 12px; border-top: 1px solid var(--border-color); text-align: right; }
.io-card-btn {
    padding: 5px 14px; font-size: 12px; font-weight: 600;
    border: none; border-radius: 6px; cursor: pointer;
    background: var(--btn-color, var(--accent)); color: #fff;
    transition: opacity 0.15s;
}
.io-card-btn:hover { opacity: 0.85; }

/* ======== File Manager (Imported Files Tracker) ======== */
.fm-container { padding: 16px 24px; max-width: 1400px; overflow-y: auto; }

.fm-summary {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px; margin-bottom: 24px;
}
.fm-stat-card {
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 10px; padding: 16px 20px; text-align: center;
    transition: box-shadow 0.15s;
}
.fm-stat-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.fm-stat-value { font-size: 24px; font-weight: 700; color: var(--accent); }
.fm-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

.fm-section { margin-bottom: 28px; }
.fm-section-title {
    font-size: 15px; font-weight: 700; color: var(--text-primary);
    border-bottom: 2px solid var(--border-color); padding-bottom: 6px; margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
}
.fm-section-icon { font-size: 18px; }
.fm-badge {
    font-size: 10px; font-weight: 600; padding: 2px 8px;
    background: var(--accent); color: #fff; border-radius: 10px; margin-left: auto;
}

.fm-table-wrap { overflow-x: auto; }
.fm-table {
    width: 100%; border-collapse: collapse; font-size: 12px;
    background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px;
    overflow: hidden;
}
.fm-table thead { background: var(--bg-secondary); }
.fm-table th {
    padding: 8px 10px; text-align: left; font-weight: 600; font-size: 11px;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color); white-space: nowrap;
}
.fm-table td { padding: 7px 10px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
.fm-table tr:last-child td { border-bottom: none; }
.fm-table tr:hover { background: var(--bg-hover, rgba(0,0,0,0.02)); }

.fm-filename { font-weight: 500; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fm-filepath { font-size: 10px; color: var(--text-muted); max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.fm-num { text-align: right; font-variant-numeric: tabular-nums; }
.fm-date { white-space: nowrap; color: var(--text-secondary); font-size: 11px; }
.fm-muted { color: var(--text-muted); }

.fm-module-badge {
    font-size: 10px; font-weight: 600; padding: 2px 6px;
    background: var(--bg-tertiary); border-radius: 4px; color: var(--text-secondary);
    white-space: nowrap;
}

.fm-status {
    font-size: 10px; font-weight: 600; padding: 2px 8px;
    border-radius: 10px; white-space: nowrap;
}
.fm-status-active { background: #D1FAE5; color: #065F46; }
.fm-status-archived { background: #E2E8F0; color: #475569; }
.fm-status-deleted { background: #FEE2E2; color: #991B1B; }
.fm-row-deleted { opacity: 0.5; }

.fm-actions { white-space: nowrap; }
.fm-action-btn {
    border: none; background: none; cursor: pointer; font-size: 14px;
    padding: 2px 4px; border-radius: 4px; transition: background 0.1s;
}
.fm-action-btn:hover { background: var(--bg-tertiary); }
.fm-btn-delete { color: #DC2626; }
.fm-btn-restore { color: #3B82F6; }

/* Action cards */
.fm-action-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.fm-action-card {
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 10px; padding: 16px; display: flex; flex-direction: column; gap: 8px;
}
.fm-action-card.fm-action-danger { border-color: #FCA5A5; }
.fm-action-title { font-weight: 600; font-size: 13px; color: var(--text-primary); }
.fm-action-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.4; flex: 1; }
.fm-action-btn-primary {
    padding: 8px 16px; font-size: 12px; font-weight: 600;
    border: none; border-radius: 8px; cursor: pointer;
    background: var(--accent); color: #fff; transition: opacity 0.15s;
    align-self: flex-start;
}
.fm-action-btn-primary:hover { opacity: 0.85; }
.fm-action-btn-danger {
    padding: 8px 16px; font-size: 12px; font-weight: 600;
    border: none; border-radius: 8px; cursor: pointer;
    background: #DC2626; color: #fff; transition: opacity 0.15s;
    align-self: flex-start;
}
.fm-action-btn-danger:hover { opacity: 0.85; }

/* Empty state */
.fm-empty {
    text-align: center; padding: 60px 20px;
    color: var(--text-muted);
}
.fm-empty-icon { font-size: 48px; margin-bottom: 12px; }
.fm-empty-title { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.fm-empty-desc { font-size: 13px; max-width: 400px; margin: 0 auto 16px; line-height: 1.5; }
.fm-empty-btn {
    padding: 10px 24px; font-size: 13px; font-weight: 600;
    border: none; border-radius: 8px; cursor: pointer;
    background: var(--accent); color: #fff;
}

/* Import router dialog */
.fm-router-dialog h3 { font-size: 15px; margin: 0 0 4px; }
.fm-router-options { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.fm-router-option {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 8px;
    cursor: pointer; font-size: 13px; transition: background 0.1s;
}
.fm-router-option:hover { background: var(--bg-tertiary); }
.fm-router-option input[type="radio"] { accent-color: var(--accent); }

/* ══════════════════════════════════════════════════════════════════
   HOME PAGE — Dashboard / Welcome
   ══════════════════════════════════════════════════════════════════ */
.home-container { padding: 0; overflow-y: auto; height: 100%; }
.home-page { max-width: 1100px; margin: 0 auto; padding: 24px 20px 40px; }

.home-hero {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 32px; border-radius: 16px; margin-bottom: 24px;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #6366F1 100%);
    color: #fff; box-shadow: 0 8px 32px rgba(99,102,241,0.18);
}
.home-hero-left { display: flex; align-items: center; gap: 20px; }
.home-logo { height: 64px; max-width: 180px; object-fit: contain; border-radius: 10px; background: #fff; padding: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.home-logo-placeholder { flex-shrink: 0; }
.home-hero-text { }
.home-client-name { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; opacity: 0.8; margin-bottom: 2px; }
.home-model-name { font-size: 26px; font-weight: 800; margin: 0; line-height: 1.2; }
.home-model-desc { font-size: 14px; opacity: 0.85; margin-top: 4px; }
.home-meta { font-size: 12px; opacity: 0.7; margin-top: 8px; }
.home-config-btn {
    padding: 8px 16px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.15); color: #fff; cursor: pointer; font-size: 12px;
    backdrop-filter: blur(4px); transition: background 0.2s;
}
.home-config-btn:hover { background: rgba(255,255,255,0.25); }

.home-kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.home-kpi {
    background: var(--bg-primary); border-radius: 12px; padding: 16px;
    text-align: center; border: 1px solid var(--border-color);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04); transition: transform 0.2s, box-shadow 0.2s;
}
.home-kpi:hover { transform: translateY(-2px) scale(1.02); box-shadow: var(--shadow-md); }
.home-kpi-icon { font-size: 22px; margin-bottom: 4px; color: var(--kpi-color); }
.home-kpi-value { font-size: 28px; font-weight: 800; color: var(--kpi-color); font-variant-numeric: tabular-nums; }
.home-kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-top: 2px; font-weight: 600; }

.home-section { margin-bottom: 24px; }
.home-section-title { font-size: 15px; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }

/* DAG allocation flow graph */
.home-dag-container {
    padding: 16px; background: var(--bg-secondary); border-radius: 12px;
    border: 1px solid var(--border-color); overflow-x: auto;
}
.home-dag-svg { display: block; min-height: 180px; }
.dag-node { transition: opacity 0.15s; }
.dag-node:hover rect { stroke-width: 3; }
.dag-node:hover { opacity: 0.9; }
.dag-node-label { font-size: 12px; font-weight: 700; }
.dag-node-sub { font-size: 10px; }
.dag-edge { transition: stroke-opacity 0.2s; }
.dag-edge:hover { stroke-opacity: 1 !important; stroke-width: 5 !important; }
.dag-edge-label { font-size: 9px; font-weight: 700; pointer-events: none; }
.dag-layer-label { font-size: 10px; font-weight: 600; }

/* Logo area (clickable upload) */
.home-logo-area {
    position: relative; cursor: pointer; border-radius: 12px;
    transition: box-shadow 0.2s;
}
.home-logo-area:hover { box-shadow: 0 0 0 3px rgba(99,102,241,0.3); }
.home-logo-hint {
    position: absolute; bottom: -2px; right: -2px;
    background: var(--accent, #6366F1); color: #fff; font-size: 8px; font-weight: 700;
    padding: 2px 5px; border-radius: 4px; opacity: 0; transition: opacity 0.2s;
}
.home-logo-area:hover .home-logo-hint { opacity: 1; }

.home-actions-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px;
}
.home-action {
    display: flex; align-items: center; gap: 10px; padding: 14px 16px;
    border-radius: 10px; border: 1px solid var(--border-color);
    background: var(--bg-primary); cursor: pointer; font-size: 13px; font-weight: 600;
    color: var(--text-primary); transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.home-action:hover { background: var(--bg-tertiary); border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.home-action-icon { font-size: 20px; flex-shrink: 0; }


/* ══════════════════════════════════════════════════════════════════
   UNIFIED EMPTY STATE
   ══════════════════════════════════════════════════════════════════ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
    flex: 1;
}
.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}
.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.empty-state-desc {
    font-size: 13px;
    max-width: 360px;
    line-height: 1.5;
    margin-bottom: 20px;
}
.empty-state-action {
    padding: 8px 20px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.empty-state-action:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* ══════════════════════════════════════════════════════════════════
   ABOUT PAGE — Versions & Credits
   ══════════════════════════════════════════════════════════════════ */
.about-container { padding: 0; overflow-y: auto; height: 100%; }
.about-page { max-width: 900px; margin: 0 auto; padding: 24px 20px 40px; }

.about-header {
    display: flex; align-items: center; gap: 20px;
    padding: 24px 0; margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}
.about-app-title { font-size: 28px; font-weight: 800; margin: 0; color: var(--text-primary); }
.about-app-version { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.about-app-tagline { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

.about-section { margin-bottom: 28px; }
.about-section-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }

.about-license-card {
    border: 2px solid #6366F1; border-radius: 12px; overflow: hidden;
}
.about-license-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: #fff;
}
.about-license-company { font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.about-license-badge {
    padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 700;
    background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.3);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.about-license-body {
    padding: 16px 20px; font-size: 13px; line-height: 1.7; color: var(--text-secondary);
}
.about-license-body p { margin: 8px 0; }
.about-license-body ul { margin: 8px 0; padding-left: 20px; }
.about-license-body li { margin: 4px 0; }
.about-license-body strong { color: var(--text-primary); }

.about-changelog { }
.about-changelog-entry {
    padding: 12px 16px; border-left: 3px solid var(--border-color);
    margin-bottom: 8px; border-radius: 0 8px 8px 0;
    background: var(--bg-primary);
}
.about-changelog-entry.current { border-left-color: #6366F1; background: #F5F3FF; }
[data-theme="dark"] .about-changelog-entry.current { background: #1E1B4B; }
.about-changelog-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.about-changelog-ver { font-weight: 800; font-size: 14px; color: var(--text-primary); }
.about-changelog-badge {
    padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 700;
    background: #6366F1; color: #fff; text-transform: uppercase;
}
.about-changelog-date { font-size: 12px; color: var(--text-muted); margin-left: auto; }
.about-changelog-list { margin: 0; padding-left: 18px; font-size: 12px; color: var(--text-secondary); }
.about-changelog-list li { margin: 2px 0; }

.about-lib-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.about-lib-table th {
    text-align: left; padding: 8px 10px; font-size: 11px; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--text-muted); border-bottom: 2px solid var(--border-color);
}
.about-lib-table td { padding: 8px 10px; border-bottom: 1px solid var(--border-color); }
.about-lib-license {
    padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600;
    background: #ECFDF5; color: #059669;
}
[data-theme="dark"] .about-lib-license { background: #064E3B; color: #6EE7B7; }

.about-tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.about-tech-item {
    display: flex; gap: 8px; padding: 8px 12px; border-radius: 6px;
    background: var(--bg-secondary); font-size: 12px;
}
.about-tech-label { font-weight: 700; color: var(--text-muted); min-width: 120px; }

/* ══════════════════════════════════════════════════════════════════
   UNIFIED RIBBON — Office 365 style harmonization
   Pattern: .o365-ribbon > .o365-ribbon-groups > .o365-rb-group > (.o365-rb-group-body + .o365-rb-group-label)
   ══════════════════════════════════════════════════════════════════ */
/* ── Unified O365 ribbon — matches BPMN Office ribbon style ── */
.o365-ribbon {
    display: flex; flex-direction: column;
    background: #f3f3f3;
    border-bottom: 1px solid #d0d0d0;
    flex-shrink: 0;
}
[data-theme="dark"] .o365-ribbon { background: var(--bg-secondary); border-bottom-color: var(--border-color); }
.o365-ribbon-groups {
    display: flex; align-items: stretch; gap: 0;
    padding: 3px 6px 0;
    min-height: 48px;
}
.o365-rb-group {
    display: flex; flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid #d4d4d4;
    min-width: 0; flex-shrink: 1;
    padding: 2px 10px 0;
}
[data-theme="dark"] .o365-rb-group { border-right-color: var(--border-color); }
.o365-rb-group:last-child { border-right: none; }
.o365-rb-group-body {
    display: flex; align-items: center; gap: 4px;
    flex: 1; flex-wrap: wrap;
}
.o365-rb-group-label {
    font-size: 10px; font-weight: 400;
    color: #777; text-align: center;
    padding: 2px 0 1px;
    white-space: nowrap; line-height: 1;
}
[data-theme="dark"] .o365-rb-group-label { color: var(--text-muted); }
.o365-rb-title {
    font-size: 14px; font-weight: 700;
    color: var(--text-primary); white-space: nowrap;
}
.o365-rb-btn {
    padding: 4px 10px; font-size: 11px; font-weight: 600; line-height: 1.4;
    border: 1px solid var(--border-color); border-radius: var(--radius-sm);
    background: var(--bg-primary); color: var(--text-primary);
    cursor: pointer; white-space: nowrap; transition: all 0.12s;
}
.o365-rb-btn:hover { background: var(--bg-tertiary); border-color: var(--accent); }
.o365-rb-btn-accent {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.3);
}
.o365-rb-btn-accent:hover { background: var(--accent-hover); }
.o365-rb-select {
    padding: 3px 6px; font-size: 11px;
    border: 1px solid var(--border-color); border-radius: 4px;
    background: var(--bg-primary); color: var(--text-primary);
    max-width: 150px;
}
.o365-rb-toggle {
    display: flex; align-items: center; gap: 3px;
    font-size: 10px; font-weight: 600; color: var(--text-secondary);
    cursor: pointer; white-space: nowrap;
}
.o365-rb-toggle input[type="checkbox"] {
    accent-color: var(--accent); width: 13px; height: 13px;
}
.sankey-opacity-ctrl {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 4px;
    border-left: 1px solid var(--border-color);
    margin-left: 4px;
}
.o365-rb-sep {
    width: 1px; background: var(--border-color); margin: 4px 0; flex-shrink: 0;
}

/* Focus indicators */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
button:focus-visible, select:focus-visible, input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-radius: var(--radius-sm);
}


/* ======== Module List Item (reusable) ======== */
.module-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all 0.15s ease;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.module-list-item:hover {
    background: var(--bg-hover);
    border-left-color: var(--border-color);
}
.module-list-item.selected, .module-list-item.active {
    background: var(--accent-light);
    border-left-color: var(--accent);
}
.module-list-item .module-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.2); /* fallback */
    box-shadow: 0 0 0 2px color-mix(in srgb, currentColor 20%, transparent);
}
.module-list-item .module-item-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}
.module-list-item .module-item-meta {
    font-size: 11px;
    color: var(--text-muted);
}
.module-list-item .module-item-icon {
    font-size: 16px;
    flex-shrink: 0;
}
.module-list-item .module-delete-btn {
    opacity: 0;
    transition: opacity 0.15s ease, background 0.15s ease;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 4px 6px;
    border-radius: 4px;
    flex-shrink: 0;
}
.module-list-item:hover .module-delete-btn {
    opacity: 1;
}
.module-list-item .module-delete-btn:hover {
    background: var(--bg-hover);
    color: var(--danger, #e74c3c);
}

.module-list-item .module-item-content {
    min-width: 0;
    flex: 1;
}
.module-list-item .module-item-info {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}
.module-list-item .module-item-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: opacity 0.15s ease;
}
.module-list-item:hover .module-item-actions {
    opacity: 1;
}

/* Dark theme refinements for list items */
[data-theme="dark"] .module-list-item.selected,
[data-theme="dark"] .module-list-item.active {
    background: rgba(99, 102, 241, 0.12);
}
[data-theme="dark"] .module-list-item:hover {
    background: rgba(255, 255, 255, 0.05);
}
[data-theme="dark"] .module-color-dot {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .module-delete-btn {
    color: var(--text-muted);
}
[data-theme="dark"] .module-delete-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ======== Section Cards (detail views) ======== */
.section-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}
.section-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(203, 213, 225, 0.5); /* fallback */
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
}
.section-card-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-card-title .section-icon {
    font-size: 14px;
    color: var(--accent);
}

/* ======== Split Panel Layout (reusable) ======== */
.view-split {
    display: flex;
    flex: 1;
    min-height: 0;
    gap: 0;
}
.view-split-left {
    width: 260px;
    min-width: 200px;
    max-width: 360px;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.view-split-right {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-primary);
}

/* ======== Global form input enhancements ======== */
input[type="text"]:not(.header-period-group input),
input[type="number"]:not(.header-period-group input),
input[type="email"],
input[type="search"],
textarea:not(.settings-textarea),
select:not(.header-period-group select):not(.pnl-ctrl-group select):not(.mg-filter-select) {
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15); /* fallback */
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
    outline: none;
}

/* ========================================
   Custom Confirm Dialog
   ======================================== */
.confirm-overlay {
    position: fixed; inset: 0; z-index: 100000;
    background: rgba(0,0,0,0.35);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s ease;
}
.confirm-overlay.confirm-visible { opacity: 1; }
.confirm-dialog {
    background: var(--bg-primary, #fff);
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    min-width: 340px; max-width: 480px;
    overflow: hidden;
    transform: scale(0.92); transition: transform 0.2s ease;
}
.confirm-visible .confirm-dialog { transform: scale(1); }
.confirm-header {
    padding: 16px 20px 12px;
    font-size: 15px; font-weight: 700;
    color: var(--text-primary, #111);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}
.confirm-body {
    padding: 16px 20px;
    font-size: 13px; line-height: 1.5;
    color: var(--text-secondary, #555);
}
.confirm-footer {
    padding: 12px 20px 16px;
    display: flex; justify-content: flex-end; gap: 8px;
}
.confirm-btn {
    padding: 7px 18px;
    border-radius: 8px;
    font-size: 13px; font-weight: 600;
    border: 1px solid var(--border-color, #d1d5db);
    cursor: pointer; transition: all 0.15s;
}
.confirm-btn-cancel {
    background: var(--bg-secondary, #f3f4f6);
    color: var(--text-primary, #374151);
}
.confirm-btn-cancel:hover { background: var(--bg-tertiary, #e5e7eb); }
.confirm-btn-ok {
    background: var(--accent, #6366F1);
    color: #fff; border-color: var(--accent, #6366F1);
}
.confirm-btn-ok:hover { filter: brightness(1.1); }
.confirm-btn-danger {
    background: var(--danger, #EF4444);
    border-color: var(--danger, #EF4444);
}
.confirm-btn-danger:hover { filter: brightness(1.1); }

/* ========================================
   Model Tools — Global Search, Progress, etc.
   ======================================== */

/* Global Search Overlay (Ctrl+K) */
.global-search-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex; align-items: flex-start; justify-content: center;
    padding-top: 15vh;
}
.global-search-dialog {
    width: 560px; max-width: 90vw;
    background: var(--bg-secondary); border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}
.global-search-input-wrap {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.global-search-icon { font-size: 18px; color: var(--text-muted); }
.global-search-input-wrap input {
    flex: 1; border: none; background: transparent; outline: none;
    font-size: 15px; color: var(--text-primary);
}
.global-search-kbd {
    font-size: 10px; color: var(--text-muted);
    border: 1px solid var(--border); border-radius: 3px;
    padding: 1px 5px; font-family: monospace;
}
.global-search-results {
    max-height: 50vh; overflow-y: auto; padding: 4px 0;
}
.gs-hint {
    padding: 24px; text-align: center; color: var(--text-muted); font-size: 13px;
}
.gs-category {
    padding: 6px 16px 2px; font-size: 10px; font-weight: 700;
    color: var(--text-muted); letter-spacing: 0.5px;
}
.gs-result-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px; cursor: pointer; outline: none;
    transition: background 0.1s;
}
.gs-result-item:hover, .gs-result-item:focus {
    background: var(--accent-light);
}
.gs-icon { font-size: 14px; color: var(--text-muted); min-width: 18px; text-align: center; }
.gs-label { flex: 1; font-size: 13px; color: var(--text-primary); }
.gs-type {
    font-size: 10px; color: var(--text-muted);
    background: var(--bg-tertiary); padding: 1px 6px; border-radius: 8px;
}

/* Progress Dashboard */
.progress-dashboard {
    padding: 16px 0;
}
.progress-summary {
    display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
}
.progress-ring {
    width: 64px; height: 64px; border-radius: 50%;
    background: conic-gradient(var(--ring-color) calc(var(--pct) * 1%), var(--bg-tertiary) 0);
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.progress-ring::before {
    content: ''; position: absolute;
    width: 50px; height: 50px; border-radius: 50%;
    background: var(--bg-secondary);
}
.progress-ring-value {
    position: relative; z-index: 1;
    font-size: 14px; font-weight: 700;
}
.progress-steps {
    display: flex; align-items: flex-start; gap: 0;
    overflow-x: auto; padding: 4px 0;
}
.progress-step {
    display: flex; flex-direction: column; align-items: center;
    min-width: 80px; padding: 8px 4px; cursor: pointer;
    position: relative; opacity: 0.5; transition: all 0.2s;
}
.progress-step.done { opacity: 1; }
.progress-step.current { opacity: 1; }
.progress-step:hover { opacity: 1; }
.progress-step-icon {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--bg-tertiary); color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; border: 2px solid var(--border);
    transition: all 0.2s;
}
.progress-step.done .progress-step-icon {
    background: var(--success); color: white; border-color: var(--success);
}
.progress-step.current .progress-step-icon {
    background: var(--accent); color: white; border-color: var(--accent);
    animation: pulse-step 1.5s infinite;
}
@keyframes pulse-step {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99,102,241,0.4); }
    50% { box-shadow: 0 0 0 8px rgba(99,102,241,0); }
}
.progress-step-label {
    font-size: 11px; font-weight: 600; margin-top: 4px; text-align: center;
    color: var(--text-secondary);
}
.progress-step.done .progress-step-label { color: var(--success); }
.progress-step.current .progress-step-label { color: var(--accent); }
.progress-step-count {
    font-size: 10px; color: var(--text-muted); margin-top: 2px;
}
.progress-step-connector {
    position: absolute; top: 26px; left: calc(50% + 18px);
    width: calc(100% - 36px); height: 2px;
    background: var(--border);
}
.progress-step-connector.done {
    background: var(--success);
}

/* Template cards */
.tpl-card:hover {
    background: var(--accent-light);
}

/* Validation panel quick items */
.validation-inline-bar {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-secondary); border-top: 1px solid var(--border);
    padding: 4px 16px; display: flex; gap: 12px; align-items: center;
    font-size: 11px; z-index: 100;
}

/* ========================================
   Organization / Tag Manager - Full Page
   ======================================== */
.tag-page-full {
    display: flex; flex-direction: column; gap: 20px;
    padding: 16px; max-width: 100%; overflow-x: hidden;
}

/* Stats bar */
.tag-stats-bar {
    display: flex; gap: 12px; flex-wrap: wrap;
}
.tag-stat-card {
    flex: 1; min-width: 120px; max-width: 200px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 12px 16px;
    text-align: center; box-shadow: var(--shadow);
}
.tag-stat-value {
    font-size: 22px; font-weight: 700; color: var(--accent);
    line-height: 1.2;
}
.tag-stat-label {
    font-size: var(--font-sm); color: var(--text-secondary);
    margin-top: 2px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* Sections */
.tag-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow);
    overflow: hidden;
}
.tag-section-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; background: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
}
.tag-section-header h3 {
    margin: 0; font-size: var(--font-lg); font-weight: 700;
    color: var(--text-primary);
}
.tag-section-body {
    padding: 16px; overflow-x: auto;
}

/* Organigramme layout: SVG chart on top, tree list below */
.tag-org-layout {
    display: flex; flex-direction: column; gap: 16px;
}
.tag-org-chart {
    min-height: 100px; overflow-x: auto; overflow-y: hidden;
    padding: 8px; background: var(--bg-primary);
    border: 1px solid var(--border-subtle); border-radius: var(--radius-sm);
}
.tag-org-chart svg {
    display: block; margin: 0 auto;
}
.tag-org-chart .org-svg-node:hover rect:first-child {
    opacity: 0.3 !important;
}
.tag-org-tree {
    border-top: 1px solid var(--border-subtle);
    padding-top: 12px;
}

/* Tree detail panel */
.tag-tree-detail {
    border-top: 1px solid var(--border);
    padding: 16px; background: var(--bg-primary);
}

/* Empty state */
.tag-page-empty {
    padding: 32px; text-align: center;
    color: var(--text-muted); font-style: italic;
    font-size: var(--font-base);
}

/* ========================================
   Help - ABC Methodology Section
   ======================================== */
.abc-phase-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px; margin: 16px 0;
}
.abc-phase-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px;
    border-left: 4px solid var(--accent); box-shadow: var(--shadow);
}
.abc-phase-card h4 {
    margin: 0 0 8px 0; font-size: var(--font-lg);
    color: var(--accent);
}
.abc-phase-card p, .abc-phase-card ul {
    font-size: var(--font-base); color: var(--text-secondary);
    margin: 4px 0;
}
.abc-phase-card ul { padding-left: 18px; }
.abc-phase-card .phase-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--accent); color: white; font-weight: 700;
    font-size: 14px; margin-right: 8px; flex-shrink: 0;
}
.abc-concept-table {
    width: 100%; border-collapse: collapse; font-size: var(--font-base);
    margin: 12px 0;
}
.abc-concept-table th {
    background: var(--accent); color: white; padding: 8px 12px;
    text-align: left; font-weight: 600;
}
.abc-concept-table td {
    padding: 8px 12px; border-bottom: 1px solid var(--border-subtle);
}
.abc-concept-table tr:hover td {
    background: var(--bg-hover);
}
.abc-step-box {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px 16px; margin: 8px 0;
    background: var(--bg-primary); border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}
.abc-step-num {
    flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent); color: white; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
}
.abc-step-content { flex: 1; }
.abc-step-content strong { color: var(--text-primary); }
.abc-step-content p { margin: 4px 0 0; font-size: var(--font-base); color: var(--text-secondary); }
.abc-comparison {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0;
}
.abc-comparison > div {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px;
}
.abc-comparison h4 { margin: 0 0 8px; }
.abc-tool-mapping {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 0; border-bottom: 1px solid var(--border-subtle);
    font-size: var(--font-base);
}
.abc-tool-mapping .arrow { color: var(--accent); font-weight: 700; }
.abc-tool-mapping .tool-feat { color: var(--accent); font-weight: 600; }

/* ============ Demo welcome banner (auto-shown on first visit) ============ */
#demo-welcome-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    max-width: 720px;
    width: 92vw;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    color: white;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    animation: demoBannerIn 0.4s cubic-bezier(0.3, 1.4, 0.5, 1);
}
@keyframes demoBannerIn {
    from { opacity: 0; transform: translate(-50%, -55%) scale(0.92); }
    to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
.demo-banner-content { padding: 28px 30px; position: relative; }
.demo-banner-close {
    position: absolute; top: 12px; right: 14px;
    background: rgba(255,255,255,0.15); color: white;
    border: 0; border-radius: 50%; width: 30px; height: 30px;
    font-size: 20px; line-height: 1; cursor: pointer;
    transition: background 0.15s;
}
.demo-banner-close:hover { background: rgba(255,255,255,0.3); }
.demo-banner-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.demo-banner-icon { font-size: 26px; color: #fbbf24; }
.demo-banner-header h2 { margin: 0; font-size: 22px; font-weight: 700; }
.demo-banner-sub { margin: 0 0 18px 0; font-size: 14px; opacity: 0.92; line-height: 1.5; }
.demo-banner-anomalies {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px;
}
.demo-banner-card {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 10px;
    padding: 12px 14px;
    backdrop-filter: blur(6px);
}
.demo-banner-card-num {
    display: inline-block; width: 22px; height: 22px;
    background: #fbbf24; color: #1e3a8a;
    border-radius: 50%; text-align: center; line-height: 22px;
    font-weight: 700; font-size: 13px; margin-bottom: 6px;
}
.demo-banner-card-title { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.demo-banner-card-desc { font-size: 12px; opacity: 0.85; line-height: 1.4; }
.demo-banner-footer {
    display: flex; justify-content: space-between; align-items: center;
    gap: 16px; padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.18);
}
.demo-banner-tip { font-size: 12px; opacity: 0.75; font-style: italic; }
.demo-banner-cta {
    background: #fbbf24; color: #1e3a8a;
    border: 0; border-radius: 8px;
    padding: 10px 20px; font-weight: 700; font-size: 14px;
    cursor: pointer; transition: transform 0.1s, box-shadow 0.15s;
    white-space: nowrap;
}
.demo-banner-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(251, 191, 36, 0.4); }
.demo-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.demo-banner-cta-secondary {
    background: transparent; color: #fbbf24;
    border: 1.5px solid #fbbf24; border-radius: 8px;
    padding: 9px 18px; font-weight: 700; font-size: 13px;
    cursor: pointer; transition: background 0.15s, color 0.15s;
    text-decoration: none; white-space: nowrap; display: inline-flex; align-items: center;
}
.demo-banner-cta-secondary:hover { background: rgba(251,191,36,0.12); }
.demo-banner-dim { opacity: 0.55; transition: opacity 0.3s; }
.demo-banner-dim:hover { opacity: 1; }
@media (max-width: 640px) {
    .demo-banner-anomalies { grid-template-columns: 1fr; }
    .demo-banner-footer { flex-direction: column; align-items: stretch; }
    .demo-banner-actions { flex-direction: column; }
}

/* ============ Premium Sankey visual upgrade ============ */
/* Subtle radial gradient backdrop for the Sankey chart area */
#sankey-chart-container,
.sankey-chart-wrapper,
#view-sankey {
    background-image:
        radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 80%, rgba(220, 38, 38, 0.05) 0%, transparent 55%);
}
/* Slightly bolder column headers */
#sankey-chart-container text[class*="column"],
#sankey-chart-container text.col-label,
.sankey-column-header {
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
/* Smoother flow transitions when hovering — handled inline by D3,
   but we add a CSS transition for state changes */
#sankey-chart-container .link {
    transition: stroke-opacity 0.18s ease-out, stroke-width 0.18s ease-out;
}
#sankey-chart-container .node rect {
    transition: filter 0.25s ease-out;
}
#sankey-chart-container .node:hover rect {
    filter: url(#sankey-node-shadow) brightness(1.08) saturate(1.15);
}
/* Mix-blend on the link layer for richer color overlap (looks like a Bloomberg dashboard) */
#sankey-chart-container .link-layer {
    mix-blend-mode: multiply;
}
/* Dark theme adjustment: use screen blend mode so colors are additive on dark bg */
body.theme-dark #sankey-chart-container,
body.dark-mode #sankey-chart-container {
    background-image:
        radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 80%, rgba(220, 38, 38, 0.12) 0%, transparent 55%);
}
body.theme-dark #sankey-chart-container .link-layer,
body.dark-mode #sankey-chart-container .link-layer {
    mix-blend-mode: screen;
}