.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;
        }
        .circuit-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.green {
            background-color: #28a745;
        }
        .legend-color.orange {
            background-color: #fd7e14;
        }
        .legend-color.purple {
            background-color: #9b59b6;
        }
        .mode-selector {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin: 1rem 0;
        }
        .mode-btn {
            background-color: #f8f9fa;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            padding: 0.6rem 1.2rem;
            cursor: pointer;
            transition: all 0.2s;
            font-weight: 500;
            color: #495057;
        }
        .mode-btn:hover {
            border-color: var(--primary-color);
            background-color: rgba(70, 130, 180, 0.05);
        }
        .mode-btn.active {
            border-color: var(--primary-color);
            background-color: rgba(70, 130, 180, 0.12);
            color: var(--primary-color);
        }
        .mode-btn i {
            margin-right: 0.4rem;
        }
        .result-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .result-card {
            background: white;
            border: 1px solid #eee;
            border-radius: 8px;
            padding: 1.2rem;
            text-align: center;
        }
        .result-card .label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #6c757d;
            margin-bottom: 0.25rem;
        }
        .result-card .value {
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        .result-card .unit {
            font-size: 1rem;
            color: #6c757d;
        }
        @media (max-width: 576px) {
            .result-grid {
                grid-template-columns: 1fr;
            }
        }
        .power-flow {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .power-flow .node {
            background: #f8f9fa;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid #dee2e6;
        }
        .power-flow .arrow {
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .power-flow .arrow i {
            display: block;
        }
        .resistance-hint {
            font-size: 0.9rem;
            color: #6c757d;
            margin-top: 0.25rem;
        }
        .resistance-hint.disabled {
            color: #dc3545;
        }