.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: #fafbfc;
            border: 1px solid #ddd;
            border-radius: 8px;
            margin-top: 1.5rem;
            display: block;
        }
        .canvas-container {
            text-align: center;
            margin-top: 1rem;
        }
        .legend {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 50%;
        }
        .legend-color.normal {
            background-color: #28a745;
        }
        .legend-color.borderline {
            background-color: #ffc107;
        }
        .legend-color.prolonged {
            background-color: #dc3545;
        }
        .legend-color.bazett {
            background-color: #1f77b4;
        }
        .legend-color.fridericia {
            background-color: #ff7f0e;
        }
        .legend-color.framingham {
            background-color: #2ca02c;
        }
        .legend-color.hodges {
            background-color: #d62728;
        }
        .result-badge {
            display: inline-block;
            padding: 0.35rem 0.75rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .badge-normal {
            background-color: #d4edda;
            color: #155724;
        }
        .badge-borderline {
            background-color: #fff3cd;
            color: #856404;
        }
        .badge-prolonged {
            background-color: #f8d7da;
            color: #721c24;
        }
        .badge-risk-low {
            background-color: #d4edda;
            color: #155724;
        }
        .badge-risk-moderate {
            background-color: #fff3cd;
            color: #856404;
        }
        .badge-risk-high {
            background-color: #f8d7da;
            color: #721c24;
        }
        .formula-card {
            background: white;
            border: 1px solid #e9ecef;
            border-radius: 6px;
            padding: 0.75rem 1rem;
            margin: 0.25rem 0;
            transition: all 0.2s;
        }
        .formula-card:hover {
            border-color: var(--primary-color);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }
        .formula-card .label {
            font-weight: 600;
            color: var(--accent-color);
        }
        .formula-card .value {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .formula-card .unit {
            font-size: 0.85rem;
            color: #6c757d;
        }
        .interpretation-box {
            padding: 1rem 1.5rem;
            border-radius: 8px;
            margin: 1rem 0;
            background: #f8f9fa;
            border-left: 5px solid var(--primary-color);
        }
        .interpretation-box .title {
            font-weight: 700;
            font-size: 1.1rem;
        }
        .drug-list {
            columns: 2 220px;
            column-gap: 2rem;
            margin: 1rem 0;
        }
        .drug-list li {
            break-inside: avoid;
            padding: 0.2rem 0;
        }
        @media (max-width: 576px) {
            .drug-list {
                columns: 1;
            }
        }
        .ecg-symbol {
            font-size: 2rem;
            opacity: 0.15;
            position: absolute;
            right: 1rem;
            bottom: 0.5rem;
            pointer-events: none;
        }