/* ============================================================
   Visualize — Modern Design System
   Matching the Correlate app design language
   ============================================================ */

/* CSS Custom Properties — green/teal palette matching the logo */
:root {
    --green-900: #1e5417;
    --green-800: #2d6a1e;
    --green-700: #3a7d28;
    --green-600: #4a8f32;
    --green-500: #6aab4a;
    --green-200: #b3d89e;
    --green-100: #d4eac5;
    --green-50:  #edf5e6;
    --gray-600:  #4b5563;
    --gray-500:  #6b7280;
    --gray-200:  #e5e7eb;
    --gray-100:  #f3f4f6;
    --brand-green: #3a7d28;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --bg-white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 12px;
}

/* Header */
header {
    background: transparent;
    padding: 12px 20px 4px;
    margin-bottom: 10px;
}

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

.nav-bar {
    text-align: center;
    padding: 0 20px 5px 20px;
    margin-bottom: 8px;
}

.nav-bar a {
    color: #0055bb;
    text-decoration: none;
    margin: 0 15px;
    font-size: 17px;
    font-weight: 500;
}

.nav-bar a:hover {
    text-decoration: underline;
}

.logo {
    height: 220px;
    width: auto;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 14px;
    align-items: start;
}

/* Panels — Correlate card treatment */
.panel {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 0;
    box-shadow: var(--shadow-md);
    border: 1px solid #ddd;
}

.panel h2 {
    background: var(--green-600);
    color: white;
    margin: 0;
    font-size: 1.05em;
    font-weight: 600;
    padding: 10px 20px;
    border-bottom: none;
    border-radius: 7px 7px 0 0;
}

/* Data Panel */
.data-panel {
    position: sticky;
    top: 20px;
}

.data-panel h2 {
    font-size: 0.95em;
    padding: 8px 16px;
    border-radius: 0;
}

.data-panel h2:first-child {
    border-radius: 7px 7px 0 0;
}

/* Inner panel content needs padding */
.data-panel .table-container,
.data-panel .table-controls,
.data-panel .group-manager {
    margin-left: 12px;
    margin-right: 12px;
}

.data-panel .mode-selector {
    margin: 0;
    border-radius: 0;
    border: none;
    box-shadow: none;
    border-bottom: 1px solid var(--gray-200);
}

.data-panel .table-controls {
    margin-bottom: 12px;
}

.graph-panel .graph-type-selector,
.graph-panel .drawing-toolbar,
.graph-panel .graph-container,
.graph-panel .heatmap-info,
.graph-panel .graph-controls,
.graph-panel .heatmap-controls,
.graph-panel .growth-controls,
.graph-panel .volcano-controls,
.graph-panel .correlation-controls,
.graph-panel .pca-controls,
.graph-panel .kaplan-meier-controls,
.graph-panel .venn-controls,
.graph-panel .oncoprint-controls,
.graph-panel .crispr-controls,
.graph-panel > input[type="hidden"] {
    margin-left: 14px;
    margin-right: 14px;
}

.graph-panel .graph-type-selector {
    margin-top: 14px;
}

.graph-panel .graph-controls,
.graph-panel .heatmap-controls,
.graph-panel .growth-controls,
.graph-panel .volcano-controls,
.graph-panel .correlation-controls,
.graph-panel .pca-controls,
.graph-panel .kaplan-meier-controls,
.graph-panel .venn-controls,
.graph-panel .oncoprint-controls,
.graph-panel .crispr-controls {
    margin-bottom: 14px;
}

.graph-panel > .control-section {
    margin-left: 14px;
    margin-right: 14px;
    margin-bottom: 14px;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin-bottom: 6px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    max-height: 600px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.data-table th {
    background-color: var(--green-50);
    color: var(--green-800);
    padding: 8px 12px;
    font-weight: 600;
    font-size: 12px;
    position: sticky;
    top: 0;
    z-index: 10;
    text-align: center;
    min-width: 60px;
    border-bottom: 2px solid var(--green-200);
}

.data-table th:hover {
    background-color: var(--green-100);
}

.data-table th.id-col {
    background-color: var(--gray-100);
    color: var(--gray-600);
    font-size: 11px;
    min-width: 45px;
    max-width: 70px;
    border-bottom-color: var(--gray-200);
}

.data-table td.id-cell {
    background-color: var(--gray-100);
    color: var(--gray-600);
    font-size: 11px;
    min-width: 45px;
    max-width: 70px;
}

/* Hide ID columns in column mode */
.data-table.hide-id-cols th.id-col,
.data-table.hide-id-cols td.id-cell {
    display: none;
}

/* Hide row toggles in column mode */
.data-table.hide-row-toggles th.row-toggle-col,
.data-table.hide-row-toggles td.row-toggle-cell {
    display: none;
}

/* Row toggle */
.data-table th.row-toggle-col {
    width: 24px;
    min-width: 24px;
    max-width: 24px;
    padding: 2px;
    background-color: var(--gray-100);
    border-bottom-color: var(--gray-200);
}

.data-table td.row-toggle-cell {
    width: 24px;
    min-width: 24px;
    max-width: 24px;
    padding: 2px;
    text-align: center;
}

.data-table td.row-toggle-cell input[type="checkbox"] {
    margin: 0;
    accent-color: var(--green-600);
}

.data-table tr.row-disabled td:not(.row-toggle-cell):not(.row-delete-cell) {
    opacity: 0.35;
    text-decoration: line-through;
}

/* Column toggle row */
#colToggleRow {
    background-color: var(--gray-100);
}
#colToggleRow th {
    padding: 1px 2px;
    border-bottom: none;
}
#colToggleRow .col-toggle-cell {
    text-align: center;
}
#colToggleRow .col-toggle-cell input[type="checkbox"] {
    margin: 0;
    accent-color: var(--green-600);
}
#colToggleRow .col-toggle-spacer {
    border: none;
    background: transparent;
}

.data-table th.col-disabled,
.data-table td.col-disabled {
    opacity: 0.35;
    text-decoration: line-through;
}

/* Column delete button - removed from header, now in group manager */
.th-delete-btn {
    display: none;
}

/* Row delete column */
.row-delete-cell {
    width: 18px;
    padding: 0 !important;
    border: none !important;
    background: transparent;
}

.row-delete-btn {
    width: 16px;
    height: 16px;
    border: none;
    background: transparent;
    color: #ccc;
    font-size: 11px;
    line-height: 16px;
    text-align: center;
    cursor: pointer;
    border-radius: 50%;
    padding: 0;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
}

tr:hover .row-delete-btn {
    opacity: 1;
}

.row-delete-btn:hover {
    color: #c0392b;
    background: #fee;
}

/* Header cell for delete column */
.delete-col-header {
    width: 18px;
    min-width: 18px !important;
    padding: 0 !important;
    background-color: var(--green-50) !important;
    border: none;
}

.data-table td {
    padding: 4px 6px;
    border: 1px solid var(--gray-200);
    text-align: center;
    font-size: 12px;
}

.data-table td[contenteditable="true"]:focus {
    outline: 2px solid var(--green-500);
    background-color: var(--green-50);
}

.data-table .cell-selected {
    background-color: #d4e8f7 !important;
    outline: 1px solid #7ab8e0;
}

.data-table td[contenteditable="true"]:hover {
    background-color: var(--gray-100);
}

/* Table Controls */
.table-controls {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.table-controls .btn {
    padding: 3px 8px;
    font-size: 11px;
}

/* Graph Panel */
.graph-type-selector {
    margin-bottom: 10px;
    padding: 10px 12px;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
}

.graph-type-selector label {
    font-weight: 600;
    margin-right: 10px;
    color: var(--text-secondary);
}

.graph-type-selector select {
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 13px;
    min-width: 250px;
    font-family: 'Open Sans', sans-serif;
    text-align: center;
}

.graph-type-selector select:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(94, 140, 49, 0.2);
}

/* Graph Container */
.graph-container {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 10px;
    margin-bottom: 10px;
    min-height: 50px;
    overflow-x: auto;
}

.graph-container svg {
    overflow: visible;
    display: block;
    margin: 0 auto;
}

/* Graph Controls */
.graph-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

@media (max-width: 900px) {
    .graph-controls {
        grid-template-columns: 1fr;
    }
}

.control-section {
    padding: 10px 12px;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--green-500);
}

.control-section h3 {
    color: var(--green-800);
    margin-bottom: 6px;
    font-size: 0.95em;
    font-weight: 600;
}

.control-group {
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.control-group label {
    flex: 0 0 70px;
    font-weight: 500;
    font-size: 12px;
    color: var(--text-secondary);
}

.control-group input[type="text"],
.control-group input[type="number"],
.control-group select {
    flex: 1;
    min-width: 0;
    padding: 5px 8px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-family: 'Open Sans', sans-serif;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.control-group input[type="text"]:focus,
.control-group input[type="number"]:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(94, 140, 49, 0.2);
}

.control-group input[type="checkbox"] {
    margin-right: 5px;
    accent-color: var(--green-600);
}

/* Global text-align center for all sidebar inputs/selects */
.graph-panel select,
.graph-panel input[type="text"],
.graph-panel input[type="number"] {
    text-align: center;
}

/* Buttons */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Open Sans', sans-serif;
}

.btn-primary {
    background-color: var(--green-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--green-700);
    box-shadow: 0 2px 8px rgba(58, 125, 40, 0.35);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
}

.btn-open {
    background-color: #fff;
    color: var(--green-700);
    border: 1.5px solid var(--green-600);
}
.btn-open:hover {
    background-color: var(--green-50);
    box-shadow: 0 1px 4px rgba(58, 125, 40, 0.2);
}

.settings-default-btn {
    font-size: 10px;
    padding: 2px 8px;
    border: 1px solid var(--gray-200);
    background: var(--gray-50, #f9fafb);
    color: var(--gray-500, #6b7280);
    border-radius: 3px;
    cursor: pointer;
    font-weight: 500;
}
.settings-default-btn:hover {
    background: var(--red-50, #fef2f2);
    color: var(--red-600, #dc2626);
    border-color: var(--red-200, #fecaca);
}

.btn-expand {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
    font-weight: 600;
}
.btn-expand:hover {
    background-color: #bbf7d0;
}
.btn-expand.active {
    background-color: #166534;
    color: #fff;
    border-color: #166534;
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Small buttons (table controls, heatmap buttons) */
.table-controls .btn,
.hm-buttons .btn {
    padding: 6px 12px;
}

/* 2-column grid for dimension controls */
.control-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 8px;
}

/* Full-width sections (not inside graph-controls 2-col grid) get 4 columns */
.volcano-controls .control-grid-2col,
.growth-controls .control-grid-2col,
.correlation-controls .control-grid-2col,
.pca-controls .control-grid-2col,
.kaplan-meier-controls .control-grid-2col,
.venn-controls .control-grid-2col,
.oncoprint-controls .control-grid-2col {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.control-grid-2col .control-group {
    margin-bottom: 2px;
}

.control-grid-2col .control-group label {
    flex: 0 0 70px;
    font-size: 11px;
    white-space: nowrap;
}

/* In 4-col grids, use auto label width so text isn't clipped */
.volcano-controls .control-grid-2col .control-group label,
.growth-controls .control-grid-2col .control-group label,
.correlation-controls .control-grid-2col .control-group label,
.pca-controls .control-grid-2col .control-group label,
.kaplan-meier-controls .control-grid-2col .control-group label,
.venn-controls .control-grid-2col .control-group label,
.oncoprint-controls .control-grid-2col .control-group label {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 10px;
}

.control-grid-2col .span-2 {
    grid-column: span 2;
}

.control-grid-2col .span-4 {
    grid-column: span 4;
}

/* Number input with +/- stepper buttons */
.num-stepper {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.num-stepper input[type="number"] {
    flex: 1;
    min-width: 0;
    padding: 4px 4px;
    border: 1px solid var(--gray-200);
    border-radius: 0;
    border-left: none;
    border-right: none;
    font-size: 12px;
    text-align: center;
    -moz-appearance: textfield;
}

.num-stepper input[type="number"]::-webkit-inner-spin-button,
.num-stepper input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.num-stepper .step-btn {
    flex: 0 0 auto;
    width: 22px;
    height: 26px;
    border: 1px solid var(--gray-200);
    background: var(--gray-50, #f9fafb);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
    user-select: none;
}

.num-stepper .step-btn:hover {
    background: var(--green-50);
    border-color: var(--green-300);
}

.num-stepper .step-btn:active {
    background: var(--green-100);
}

.num-stepper .step-btn.step-minus {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.num-stepper .step-btn.step-plus {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Stats Results */
.stats-results {
    margin-top: 8px;
    padding: 10px;
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--green-500);
    min-height: 60px;
}

.stats-results.empty {
    display: none;
}

.stats-results .result-item {
    margin-bottom: 8px;
    font-size: 14px;
}

.stats-results .result-label {
    font-weight: 600;
    color: var(--green-800);
}

.stats-results .result-value {
    color: var(--text-secondary);
}

.stats-results .significant {
    color: #e74c3c;
    font-weight: 600;
}

.stats-results .not-significant {
    color: #27ae60;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .data-panel {
        position: relative;
        top: 0;
    }
}

/* Loading State */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    color: var(--gray-500);
    font-size: 1.2em;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--gray-500);
}

/* Tooltips */
.tooltip {
    position: absolute;
    padding: 8px 12px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
}

/* Graph Elements */
.axis-label {
    font-size: 14px;
    font-weight: 600;
}

.tick text {
    font-size: 12px;
}

.graph-title {
    font-size: 18px;
    font-weight: 600;
}

/* SVG Edit Popup (wrapper) */
.svg-edit-popup {
    position: absolute;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-lg);
}

/* Toolbar row */
.svg-edit-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
}

.svg-edit-toolbar select,
.svg-edit-toolbar input[type="number"] {
    padding: 4px 6px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: 'Open Sans', sans-serif;
}

.svg-edit-toolbar select:focus,
.svg-edit-toolbar input[type="number"]:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(94, 140, 49, 0.2);
}

.svg-edit-font-family {
    width: 110px;
}

.svg-edit-font-size {
    width: 48px;
    text-align: center;
}

.svg-edit-btn {
    width: 26px;
    height: 26px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    line-height: 24px;
    text-align: center;
    padding: 0;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.svg-edit-btn:hover {
    background: var(--green-50);
    border-color: var(--green-200);
}

.svg-edit-btn.active {
    background: var(--green-600);
    color: white;
    border-color: var(--green-600);
}

/* SVG Inline Edit Input (inside popup) */
.svg-inline-edit {
    border: 2px solid var(--green-500);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-size: 14px;
    background: white;
    text-align: center;
    min-width: 80px;
    outline: none;
    font-family: 'Open Sans', sans-serif;
}

.svg-inline-edit:focus {
    border-color: var(--green-600);
    box-shadow: 0 0 0 3px rgba(94, 140, 49, 0.25);
}

/* Clickable SVG labels */
.graph-svg .graph-title,
.graph-svg .x-label,
.graph-svg .y-label {
    cursor: pointer;
}

.graph-svg .graph-title:hover,
.graph-svg .x-label:hover,
.graph-svg .y-label:hover {
    opacity: 0.6;
}

/* Clickable tick labels */
.graph-svg .x-axis text,
.graph-svg .y-axis text {
    cursor: pointer;
}

.graph-svg .x-axis text:hover,
.graph-svg .y-axis text:hover {
    opacity: 0.6;
}

/* Scrollbar Styling */
.table-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.table-container::-webkit-scrollbar-thumb {
    background: var(--gray-500);
    border-radius: var(--radius-sm);
}

.table-container::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Drawing Toolbar */
.drawing-toolbar {
    display: flex;
    gap: 4px;
    padding: 6px 10px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    border-bottom: none;
    align-items: center;
    position: relative;
    z-index: 10;
}

.draw-tool-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.draw-tool-btn:hover {
    background: var(--green-50);
    border-color: var(--green-200);
}

.draw-tool-btn.active {
    background: var(--green-600);
    color: white;
    border-color: var(--green-600);
}

.drawing-separator {
    width: 1px;
    height: 20px;
    background: var(--gray-200);
    margin: 0 4px;
}

.graph-container.drawing-active svg {
    cursor: crosshair;
}

/* Post-hoc advice text */
#postHocAdvice {
    padding: 2px 4px;
}

/* Group Order Manager */
.group-manager {
    margin-top: 8px;
}

.group-manager h3 {
    font-size: 0.9em;
    color: var(--green-800);
    margin: 6px 0 4px;
    font-weight: 600;
}

.group-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.group-item {
    display: flex;
    align-items: center;
    gap: 6px;
    break-inside: avoid;
    padding: 4px 6px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: grab;
    user-select: none;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s;
}

.group-item:hover {
    background: var(--green-50);
}

.group-item.drag-over {
    border-color: var(--green-500);
    background: var(--green-50);
}

.group-item.hidden {
    opacity: 0.4;
}

.group-item .drag-handle {
    cursor: grab;
    color: var(--gray-500);
    font-size: 14px;
    flex-shrink: 0;
}

.group-item .group-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.group-item .color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid var(--gray-200);
}

.group-item .visibility-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 0 2px;
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.15s;
}

.group-item .visibility-btn:hover {
    opacity: 1;
}

.group-item .delete-group-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 0 2px;
    line-height: 1;
    flex-shrink: 0;
    color: #ccc;
    transition: color 0.15s;
}

.group-item .delete-group-btn:hover {
    color: #c0392b;
}

/* Mode Selector */

.mode-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr) auto;
    gap: 0;
    margin-bottom: 8px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--green-600);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.mode-btn {
    padding: 8px 2px;
    border: none;
    border-left: 1px solid var(--gray-200);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    font-family: 'Open Sans', sans-serif;
    text-align: center;
    white-space: nowrap;
}

.mode-btn:nth-of-type(3n+1) {
    border-left: none;
}

.mode-selector .mode-btn:nth-of-type(-n+3) {
    border-top: none;
}

.mode-btn:hover {
    background: var(--green-50);
}

.mode-btn.active {
    background: var(--green-600);
    color: white;
}
.mode-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--gray-100);
}
.mode-btn:disabled:hover {
    background: var(--gray-100);
}

.mode-reset-btn {
    grid-row: 1 / 4;
    grid-column: 4;
    padding: 4px 8px;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 22px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    border-left: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-reset-btn:hover {
    background: var(--red-50, #fef2f2);
    color: var(--red-600, #dc2626);
}

/* Heatmap Controls */
.heatmap-controls {
    margin-bottom: 10px;
}

.heatmap-controls .control-section {
    padding: 10px 12px;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--green-500);
}

.heatmap-controls .control-section h3 {
    color: var(--green-800);
    margin-bottom: 6px;
    font-size: 0.95em;
    font-weight: 600;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3px 6px;
}

.hm-ctrl {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 12px;
}

.hm-ctrl label {
    flex: 0 0 48px;
    white-space: nowrap;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 10px;
}

/* +/- stepper inside heatmap grid */
.hm-ctrl .num-stepper {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.hm-ctrl .num-stepper input[type="number"] {
    flex: 1;
    min-width: 0;
    padding: 4px 4px;
    border: 1px solid var(--gray-200);
    border-radius: 0;
    border-left: none;
    border-right: none;
    font-size: 11px;
    text-align: center;
    font-family: 'Open Sans', sans-serif;
    -moz-appearance: textfield;
}

.hm-ctrl .num-stepper input[type="number"]::-webkit-inner-spin-button,
.hm-ctrl .num-stepper input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.hm-ctrl select,
.hm-ctrl input[type="number"] {
    flex: 1;
    padding: 4px 6px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 11px;
    min-width: 0;
    font-family: 'Open Sans', sans-serif;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.hm-ctrl select:focus,
.hm-ctrl input[type="number"]:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(94, 140, 49, 0.2);
}

.hm-checks {
    display: flex;
    gap: 10px;
    margin: 5px 0;
    font-size: 11px;
}

.hm-checks label {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--text-secondary);
}

.hm-checks input[type="checkbox"] {
    accent-color: var(--green-600);
}

.hm-buttons {
    display: flex;
    gap: 6px;
    margin-top: 4px;
}

/* Heatmap Info Panel */
/* Heatmap Tooltip */
.heatmap-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
    line-height: 1.5;
    display: none;
}

.heatmap-info {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    margin-bottom: 10px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.heatmap-info h4 {
    color: var(--green-800);
    font-size: 13px;
    margin: 0 0 6px;
    font-weight: 600;
}

.heatmap-info .info-row {
    display: flex;
    gap: 6px;
    margin-bottom: 2px;
}

.heatmap-info .info-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 90px;
}

.heatmap-info .info-explain {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--gray-200);
    font-style: italic;
    color: var(--gray-500);
}

/* Expanded table mode */
.main-content.table-expanded {
    grid-template-columns: 1fr;
}

.main-content.table-expanded .data-panel {
    position: relative;
    top: 0;
    max-height: none;
}

.main-content.table-expanded .table-container {
    max-height: 80vh;
}

/* Table shortcuts info box */
.table-shortcuts {
    display: flex;
    flex-wrap: wrap;
    gap: 3px 10px;
    font-size: 10px;
    color: var(--gray-500);
    padding: 5px 12px;
    margin-bottom: 2px;
    line-height: 1.5;
}

.table-shortcuts b {
    font-weight: 600;
    color: var(--gray-600);
}

.table-shortcuts-sep {
    width: 100%;
    height: 0;
}

#tableHint {
    font-style: italic;
}

/* Export button grid */
.export-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.export-grid .btn {
    font-size: 11px;
    padding: 6px 4px;
    text-align: center;
    white-space: nowrap;
}

/* Mode-specific export buttons */
.heatmap-pca-only, .heatmap-only-btn, .pca-only-btn { display: none; }

/* Growth Curve Controls */
.growth-controls {
    margin-bottom: 10px;
}

.growth-controls .control-section {
    padding: 10px 12px;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--green-500);
}

.growth-controls .control-section h3 {
    color: var(--green-800);
    margin-bottom: 6px;
    font-size: 0.95em;
    font-weight: 600;
}

.sem-ribbon {
    pointer-events: none;
}

.growth-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
    line-height: 1.5;
    display: none;
}

/* Correlation Controls */
.correlation-controls {
    margin-bottom: 10px;
    grid-column: 1 / -1;
}

.correlation-controls .control-section {
    padding: 10px 12px;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--green-500);
}

.correlation-controls .control-section h3 {
    color: var(--green-800);
    margin-bottom: 6px;
    font-size: 0.95em;
    font-weight: 600;
}

/* Correlation controls: wider labels for readability */
.correlation-controls .control-grid-2col .control-group label {
    flex: 0 0 80px;
}

/* Axis Assignment Row */
.axis-assignment-row {
    background-color: var(--green-50) !important;
}

.axis-assignment-row td {
    padding: 3px 4px !important;
    border-bottom: 2px solid var(--green-200) !important;
}

.axis-assignment-cell {
    text-align: center;
}

.axis-select {
    width: 100%;
    padding: 2px 4px;
    border: 1px solid var(--green-200);
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    background: white;
    color: var(--green-800);
    cursor: pointer;
}

.axis-select:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 2px rgba(106, 171, 74, 0.25);
}

.axis-assignment-label {
    background-color: var(--green-50) !important;
}

/* Hide axis assignment row cells when ID cols are hidden */
.data-table.hide-id-cols .axis-assignment-row td.id-cell {
    display: none;
}

.data-table.hide-row-toggles .axis-assignment-row td.row-toggle-cell {
    display: none;
}

/* Text Settings Panel */
.text-settings-panel {
    position: fixed;
    z-index: 300;
    background: var(--bg-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 360px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.text-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--green-600);
    color: white;
    font-weight: 600;
    font-size: 13px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    cursor: move;
    user-select: none;
}

.text-settings-header .svg-edit-btn {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.3);
    font-size: 16px;
}

.text-settings-header .svg-edit-btn:hover {
    background: rgba(255,255,255,0.15);
}

.text-settings-body {
    padding: 8px 10px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

/* 2-column grid for Aa text settings panel */
#textSettingsPanel {
    width: 400px;
}

#textSettingsBody {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 8px;
}

#textSettingsBody .ts-full-width {
    grid-column: 1 / -1;
}

#textSettingsBody .ts-font-controls select {
    width: 80px;
}

#textSettingsBody .ts-font-controls input[type="number"] {
    width: 38px;
}

#textSettingsBody .text-settings-row {
    border-bottom: none;
    padding: 4px 0;
}

.text-settings-row {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 4px 6px;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid var(--gray-200);
}

.text-settings-row:last-child {
    border-bottom: none;
}

.text-settings-row label.ts-label {
    grid-column: 1 / -1;
    font-size: 11px;
    font-weight: 600;
    color: var(--green-800);
    margin-bottom: 2px;
}

.text-settings-row input[type="checkbox"] {
    accent-color: var(--green-600);
    width: 14px;
    height: 14px;
}

.text-settings-row input[type="text"] {
    padding: 3px 6px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: 'Open Sans', sans-serif;
    text-align: center;
}

.text-settings-row input[type="text"]:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 2px rgba(94, 140, 49, 0.2);
}

.ts-font-controls {
    grid-column: 1 / -1;
    display: flex;
    gap: 4px;
    align-items: center;
    margin-top: 2px;
}

.ts-font-controls select,
.ts-font-controls input[type="number"] {
    padding: 2px 4px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-family: 'Open Sans', sans-serif;
}

.ts-font-controls select { width: 100px; text-align: center; }
.ts-font-controls input[type="number"] { width: 42px; text-align: center; }

.ts-font-controls .svg-edit-btn {
    width: 22px;
    height: 22px;
    font-size: 11px;
    line-height: 20px;
}

/* Graph Settings Panel — narrower than Aa panel */
#graphSettingsPanel {
    width: 280px;
}

#graphSettingsBody .gs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 8px;
}

#graphSettingsBody .gs-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

#graphSettingsBody .gs-row label {
    flex: 0 0 50px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

#graphSettingsBody .gs-row input {
    width: 70px;
    flex: 0 0 auto;
    padding: 4px 6px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    text-align: center;
    font-family: 'Open Sans', sans-serif;
}

#graphSettingsBody .gs-row input:focus,
#graphSettingsBody .gs-row select:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 2px rgba(94, 140, 49, 0.2);
}

#graphSettingsBody .gs-row select {
    width: 70px;
    flex: 0 0 auto;
    padding: 3px 4px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-family: 'Open Sans', sans-serif;
}

/* Column Bottom Row — side-by-side graph type + statistics */
.mode-bottom-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-left: 14px;
    margin-right: 14px;
    margin-bottom: 14px;
}

.mode-bottom-row > div {
    flex: 1;
    min-width: 0;
}

.mode-bottom-row .control-section {
    margin: 0;
}

.column-bottom-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-left: 14px;
    margin-right: 14px;
    margin-bottom: 14px;
}

.column-bottom-row .graph-type-picker {
    flex: 1;
    min-width: 0;
}

.column-bottom-row .column-stats-wrapper {
    flex: 1;
    min-width: 0;
}

.column-bottom-row .column-stats-wrapper .control-section {
    margin: 0;
}

.column-bottom-row .column-stats-wrapper .control-section + .control-section {
    margin-top: 10px;
}

/* Graph Type Picker */
.graph-type-picker {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 8px 10px;
    border-left: 4px solid var(--green-500);
}

.graph-type-picker h4 {
    font-size: 0.95em;
    font-weight: 600;
    color: var(--green-800);
    margin: 0 0 6px;
}

.gtp-category {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3px;
    margin-bottom: 6px;
}

.gtp-category:last-child {
    margin-bottom: 0;
}

.gtp-cat-label {
    grid-column: 1 / -1;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: 2px;
    padding-left: 2px;
}

.gtp-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    transition: background 0.15s;
    border: 1px solid transparent;
}

.gtp-item:hover {
    background: var(--green-50);
}

.gtp-item.active {
    background: var(--green-600);
    color: white;
    border-color: var(--green-600);
}

.gtp-item.active .gtp-icon svg {
    fill: white;
    stroke: white;
}

.gtp-icon {
    flex: 0 0 24px;
    width: 24px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gtp-icon svg {
    width: 24px;
    height: 20px;
}

.gtp-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Mode Selection Popout */
#modePopout {
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(3px);
}

.mode-popout-content {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    padding: 28px 32px 24px;
    max-width: 620px;
    width: 90%;
}

.mode-popout-content h2 {
    text-align: center;
    font-size: 1.3em;
    color: var(--green-800);
    margin-bottom: 6px;
    background: none;
    padding: 0;
    border-radius: 0;
}

.mode-popout-content p {
    text-align: center;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.mode-popout-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mode-popout-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 10px 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    text-align: center;
}

.mode-popout-card:hover {
    border-color: var(--green-500);
    background: var(--green-50);
    box-shadow: 0 2px 8px rgba(58,125,40,0.15);
}

.mode-popout-card .mp-icon {
    width: 40px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-popout-card .mp-icon svg {
    width: 40px;
    height: 32px;
}

.mode-popout-card .mp-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.mode-popout-card .mp-desc {
    font-size: 10px;
    color: var(--gray-500);
    line-height: 1.3;
}

/* Choose Mode button in mode-selector bar */
#chooseModeBtn {
    grid-column: 1 / -1;
    padding: 4px 8px;
    border: none;
    background: var(--green-50);
    color: var(--green-700);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    font-family: 'Open Sans', sans-serif;
    border-top: 1px solid var(--gray-200);
}

#chooseModeBtn:hover {
    background: var(--green-100);
}

/* Stats guide button */
.stats-guide-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--green-600);
    background: none;
    color: var(--green-600);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}
.stats-guide-btn:hover {
    background: var(--green-100);
}

/* Stats guide popup */
.stats-guide-popup {
    position: fixed;
    inset: 0;
    z-index: 510;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}
.stats-guide-content {
    background: #fff;
    border-radius: 10px;
    padding: 20px 24px;
    max-width: 620px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.stats-guide-body h3 {
    font-size: 13px;
    color: var(--green-800);
    margin: 14px 0 6px;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 3px;
}
.stats-guide-body h3:first-child { margin-top: 0; }
.sg-section { margin-bottom: 8px; }
.sg-section dl { margin: 0; }
.sg-section dt {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 6px;
}
.sg-section dd {
    font-size: 11px;
    color: #555;
    margin: 1px 0 0 0;
    line-height: 1.45;
}
.sg-tip {
    font-size: 11px;
    color: #555;
    background: #f0f8e8;
    border: 1px solid #d4e8c4;
    border-radius: 4px;
    padding: 8px 10px;
    line-height: 1.45;
}
.sg-decision-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    margin-top: 4px;
}
.sg-decision-table th {
    background: var(--green-100);
    color: var(--green-800);
    font-weight: 600;
    padding: 4px 8px;
    text-align: left;
    border-bottom: 1.5px solid var(--green-300);
}
.sg-decision-table td {
    padding: 3px 8px;
    border-bottom: 1px solid var(--gray-200);
}
.sg-decision-table tr:last-child td { border-bottom: none; }

/* Toast notification */
.toast-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green-700);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    z-index: 9999;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    animation: toastFadeIn 0.2s ease-out, toastFadeOut 0.4s ease-in forwards;
    animation-delay: 0s, 2.6s;
    pointer-events: none;
}
@keyframes toastFadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes toastFadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}

/* Normality / Outlier panels */
.normality-panel, .outlier-panel {
    margin-top: 6px;
    padding: 6px 8px;
    background: #f9fdf6;
    border: 1px solid #d4e8c4;
    border-radius: 4px;
    font-size: 11px;
}
.normality-panel h4, .outlier-panel h4 {
    margin: 0 0 4px;
    font-size: 12px;
    color: var(--green-800);
}
.normality-result, .outlier-result {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
    font-size: 11px;
}
.normality-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.normality-indicator.normal { background: #22c55e; }
.normality-indicator.non-normal { background: #ef4444; }
.normality-recommendation {
    margin-top: 4px;
    padding: 4px 6px;
    background: #fff5f5;
    border: 1px solid #f5c6cb;
    border-radius: 3px;
    font-size: 11px;
    color: #c0392b;
    font-style: italic;
}
.outlier-result .outlier-values {
    color: #666;
    font-style: italic;
}

/* Table controls uniform sizing */
.table-controls .btn {
    white-space: nowrap;
}

/* Methods popup (GSEA-style) */
.methods-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    width: 520px;
    max-width: 90vw;
}
.methods-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid #e5e7eb;
}
.methods-popup-title {
    font-weight: 600;
    font-size: 14px;
}
.methods-popup-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #666;
    line-height: 1;
    padding: 0 4px;
}
.methods-popup-close:hover { color: #333; }
.methods-popup-text {
    padding: 14px;
    font-size: 13px;
    line-height: 1.6;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    color: #333;
    user-select: text;
}
.methods-popup-actions {
    display: flex;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid #e5e7eb;
}