.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;
        }
        .legend-color.orange {
            background-color: #fd7e14;
        }
        .seq-display {
            font-family: 'Courier New', monospace;
            font-size: 1.1rem;
            letter-spacing: 0.1rem;
            padding: 0.5rem;
            background: #f8f9fa;
            border-radius: 4px;
            border: 1px solid #dee2e6;
        }
        .gc-bar {
            height: 8px;
            border-radius: 4px;
            background: #e9ecef;
            margin: 0.3rem 0;
        }
        .gc-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, #28a745, #ffc107, #dc3545);
        }
        .tm-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-right: 0.5rem;
        }
        .tm-badge.wallace {
            background: #cfe2ff;
            color: #084298;
        }
        .tm-badge.gc {
            background: #d1e7dd;
            color: #0a3622;
        }
        .tm-badge.santalucia {
            background: #f8d7da;
            color: #58151c;
        }
        .method-selector {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 1rem 0;
        }
        .method-selector .form-check {
            margin-right: 1rem;
        }
        .primer-pair-info {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
        }
        .result-card {
            background: white;
            border-radius: 8px;
            padding: 1.25rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            border: 1px solid #eee;
            height: 100%;
        }
        .result-card .card-title {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.05rem;
            color: #6c757d;
            margin-bottom: 0.5rem;
        }
        .result-card .card-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .result-card .card-sub {
            font-size: 0.85rem;
            color: #6c757d;
        }
        .sequence-input {
            font-family: 'Courier New', monospace;
            font-size: 1.1rem;
            letter-spacing: 0.05rem;
        }
        .badge-method {
            font-size: 0.7rem;
            padding: 0.3rem 0.6rem;
            border-radius: 12px;
        }
        .recommended-temp {
            font-size: 2.5rem;
            font-weight: 700;
            color: #198754;
        }
        .temp-range {
            font-size: 1.1rem;
            color: #6c757d;
        }
        .opt-note {
            border-left: 3px solid #198754;
            padding-left: 1rem;
            background: #f0faf4;
            border-radius: 0 4px 4px 0;
            padding: 0.75rem 1rem;
        }
        .primer-property-table td {
            font-size: 0.95rem;
        }
        .primer-property-table .label {
            font-weight: 500;
            color: #495057;
        }
        .melting-curve-container {
            position: relative;
        }
        .curve-legend {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
            font-size: 0.85rem;
        }
        .curve-legend-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .curve-legend-color {
            width: 20px;
            height: 3px;
            border-radius: 2px;
        }
        .curve-legend-color.wallace {
            background: #0d6efd;
        }
        .curve-legend-color.gc {
            background: #28a745;
        }
        .curve-legend-color.santalucia {
            background: #dc3545;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: rgba(70, 130, 180, 0.05);
            color: var(--accent-color);
        }
        @media (max-width: 768px) {
            .result-card .card-value {
                font-size: 1.4rem;
            }
            .recommended-temp {
                font-size: 2rem;
            }
        }