.property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .coord-input {
            margin-bottom: 0.5rem;
        }
        .geometry-canvas {
            width: 100%;
            height: auto;
            background-color: #f9f9f9;
            border: 1px solid #ddd;
            border-radius: 8px;
            margin-top: 1.5rem;
            display: block;
        }
        .canvas-container {
            text-align: center;
            margin-top: 1rem;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 50%;
        }
        .legend-color.red {
            background-color: #dc3545;
        }
        .legend-color.blue {
            background-color: #0d6efd;
        }
        .legend-color.gray {
            background-color: #6c757d;
        }
        .legend-color.green {
            background-color: #28a745;
        }
        .legend-color.orange {
            background-color: #fd7e14;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0.5rem 0;
        }
        .data-table th,
        .data-table td {
            padding: 0.4rem 0.3rem;
            text-align: center;
            border: 1px solid #ddd;
            vertical-align: middle;
        }
        .data-table th {
            background-color: #f8f9fa;
            font-weight: 600;
        }
        .data-table input {
            width: 100%;
            border: 1px solid #ced4da;
            border-radius: 3px;
            padding: 0.3rem 0.4rem;
            font-size: 0.9rem;
            text-align: center;
        }
        .data-table input:focus {
            border-color: var(--primary-color);
            outline: 0;
            box-shadow: 0 0 0 0.15rem rgba(70, 130, 180, 0.25);
        }
        .data-table .btn-remove {
            background: none;
            border: none;
            color: #dc3545;
            font-size: 1.1rem;
            cursor: pointer;
            padding: 0 0.2rem;
        }
        .data-table .btn-remove:hover {
            color: #a71d2a;
        }
        .metric-card {
            background: #fff;
            border-radius: 8px;
            padding: 1rem 0.8rem;
            text-align: center;
            border: 1px solid #e9ecef;
            height: 100%;
            transition: box-shadow 0.2s;
        }
        .metric-card:hover {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
        }
        .metric-card .metric-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            font-family: 'Cambria Math', 'Latin Modern Math', STIXGeneral, serif;
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 0.2rem;
        }
        .metric-card .metric-desc {
            font-size: 0.75rem;
            color: #adb5bd;
            margin-top: 0.1rem;
        }
        .chart-wrapper {
            position: relative;
            display: inline-block;
            width: 100%;
        }
        .chart-wrapper canvas {
            width: 100% !important;
            height: auto !important;
            background: #fafafa;
            border-radius: 6px;
            border: 1px solid #e9ecef;
        }
        .chart-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .chart-col {
            flex: 1 1 calc(50% - 0.75rem);
            min-width: 280px;
        }
        .chart-col .chart-title {
            font-weight: 500;
            text-align: center;
            margin-bottom: 0.3rem;
            color: #343a40;
        }
        @media (max-width: 768px) {
            .chart-col {
                flex: 1 1 100%;
            }
        }
        .rmse-summary {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1rem 0;
            border: 1px solid #dee2e6;
        }
        .rmse-summary .big-rmse {
            font-size: 3rem;
            font-weight: 700;
            color: #0d6efd;
            font-family: 'Cambria Math', 'Latin Modern Math', STIXGeneral, serif;
            line-height: 1.2;
        }
        .rmse-summary .rmse-label {
            font-size: 1rem;
            color: #495057;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .rmse-summary .rmse-sub {
            color: #6c757d;
            font-size: 0.9rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 0.8rem;
            margin: 0.5rem 0;
        }
        .stats-grid .stat-item {
            background: #fff;
            border-radius: 6px;
            padding: 0.5rem 0.3rem;
            text-align: center;
            border: 1px solid #e9ecef;
        }
        .stats-grid .stat-item .stat-num {
            font-size: 1.3rem;
            font-weight: 600;
            color: #212529;
        }
        .stats-grid .stat-item .stat-label {
            font-size: 0.7rem;
            color: #6c757d;
            text-transform: uppercase;
        }
        .btn-sm-icon {
            padding: 0.2rem 0.5rem;
            font-size: 0.8rem;
        }
        .data-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 0.8rem 0;
            align-items: center;
        }
        .data-actions .btn {
            font-size: 0.9rem;
        }
        .table-responsive-custom {
            overflow-x: auto;
        }
        .table-responsive-custom .data-table {
            min-width: 280px;
        }
        .data-table .col-idx {
            width: 30px;
            font-weight: 500;
            color: #6c757d;
            font-size: 0.85rem;
        }
        .data-table .col-actual {
            min-width: 80px;
        }
        .data-table .col-pred {
            min-width: 80px;
        }
        .data-table .col-remove {
            width: 40px;
        }
        .example-badge {
            display: inline-block;
            background: #e9ecef;
            border-radius: 12px;
            padding: 0.15rem 0.6rem;
            font-size: 0.7rem;
            color: #495057;
            margin-left: 0.3rem;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(70, 130, 180, 0.06);
            color: var(--primary-color);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(70, 130, 180, 0.15);
        }
        .interp-badge {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .interp-badge.good {
            background: #d4edda;
            color: #155724;
        }
        .interp-badge.mid {
            background: #fff3cd;
            color: #856404;
        }
        .interp-badge.poor {
            background: #f8d7da;
            color: #721c24;
        }
        .ref-link {
            color: var(--primary-color);
            text-decoration: none;
        }
        .ref-link:hover {
            text-decoration: underline;
        }
        .tool-header .lead {
            font-weight: 400;
            font-size: 1.1rem;
        }
        .bulk-import-panel {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 1rem;
            margin-bottom: 1rem;
        }
        .bulk-import-panel textarea {
            width: 100%;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            padding: 0.5rem;
            border-radius: 4px;
            border: 1px solid #ced4da;
            min-height: 100px;
            resize: vertical;
        }
        .bulk-import-panel .bulk-actions {
            margin-top: 0.5rem;
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .bulk-import-panel .format-hint {
            font-size: 0.85rem;
            color: #6c757d;
            margin-top: 0.3rem;
        }
        .bulk-import-panel .format-hint code {
            background: #e9ecef;
            padding: 0.1rem 0.4rem;
            border-radius: 3px;
        }