.property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .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;
        }
        .zscore-badge {
            font-weight: 700;
            color: #dc3545;
        }
        .percentile-badge {
            font-weight: 700;
            color: #0d6efd;
        }
        .result-card {
            background: #f8faff;
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid #e9ecf4;
            margin-top: 1rem;
        }
        .result-card .label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #6c757d;
        }
        .result-card .value {
            font-size: 2.4rem;
            font-weight: 700;
            font-family: 'Cambria Math', 'Latin Modern Math', serif;
        }
        .result-card .sub {
            font-size: 0.95rem;
            color: #495057;
        }
        .tab-pane {
            padding: 1rem 0;
        }
        .nav-tabs .nav-tabs .iq-scale {
            background: linear-gradient(90deg, #e9ecef, #dee2e6);
            border-radius: 20px;
            height: 18px;
            position: relative;
            margin: 1.5rem 0;
            width: 100%;
            max-width: 600px;
        }
        .iq-scale .marker {
            position: absolute;
            top: -6px;
            width: 4px;
            height: 30px;
            background: #dc3545;
            border-radius: 2px;
            transition: left 0.3s ease;
        }
        .iq-scale .marker-label {
            position: absolute;
            top: 28px;
            font-size: 0.8rem;
            color: #dc3545;
            font-weight: 600;
            transform: translateX(-50%);
            white-space: nowrap;
        }
        .iq-tick {
            position: absolute;
            top: 0;
            font-size: 0.6rem;
            color: #6c757d;
            transform: translateX(-50%);
        }
        .iq-tick span {
            display: block;
            margin-top: 22px;
        }
        .two-col-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .two-col-grid {
                grid-template-columns: 1fr;
            }
        }
        .highlight-box {
            background: #fff9e6;
            border: 1px solid #ffecb5;
            border-radius: 8px;
            padding: 1rem;
        }