.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;
        }
        .result-card {
            background: #ffffff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #e9ecef;
            margin-top: 1rem;
        }
        .result-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem 2rem;
        }
        .result-item {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f1f3f5;
        }
        .result-item .label {
            font-weight: 500;
            color: #495057;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .result-item .value {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a6b3c;
        }
        .result-item .value.highlight {
            font-size: 2.2rem;
            color: #0d6efd;
        }
        .result-item .sub {
            font-size: 0.85rem;
            color: #6c757d;
        }
        .step-by-step {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 1rem 1.5rem;
            margin-top: 1rem;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            border: 1px solid #e9ecef;
        }
        .step-by-step .step {
            padding: 0.25rem 0;
        }
        .step-by-step .step .arrow {
            color: #28a745;
        }
        .badge-substance {
            background: #e9ecef;
            color: #495057;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        .substance-info {
            margin-top: 0.5rem;
            font-size: 0.9rem;
            color: #6c757d;
        }
        .formula-display {
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            background: #f1f3f5;
            padding: 0.2rem 0.8rem;
            border-radius: 4px;
            display: inline-block;
        }
        @media (max-width: 576px) {
            .result-grid {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
            .result-item .value.highlight {
                font-size: 1.6rem;
            }
        }