.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;
        }
        .sod-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.green {
            background-color: #2e8b57;
        }
        .legend-color.blue {
            background-color: #0d6efd;
        }
        .legend-color.gray {
            background-color: #6c757d;
        }
        .legend-color.gold {
            background-color: #d4a017;
        }
        .shape-selector {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }
        .shape-btn {
            background: #f0f0f0;
            border: 2px solid transparent;
            border-radius: 8px;
            padding: 0.5rem 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
        }
        .shape-btn.active {
            border-color: var(--primary-color);
            background: rgba(46, 139, 87, 0.10);
        }
        .shape-btn:hover {
            background: rgba(46, 139, 87, 0.08);
        }
        .shape-btn i {
            margin-right: 0.4rem;
        }
        .sod-tip {
            background: #e8f5e9;
            border-radius: 8px;
            padding: 0.8rem 1.2rem;
            margin: 0.5rem 0;
            border-left: 4px solid #2e7d32;
        }
        .sod-tip i {
            color: #2e7d32;
            margin-right: 0.5rem;
        }
        .lshape-hint {
            background: #f8f9fa;
            padding: 0.75rem;
            border-radius: 6px;
            font-size: 0.9rem;
            border-left: 3px solid #6c757d;
            margin-top: 0.5rem;
        }
        .lshape-hint i {
            margin-right: 0.4rem;
            color: #6c757d;
        }
        .toast-custom {
            background: #333;
            color: #fff;
            padding: 12px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            font-size: 0.95rem;
            opacity: 0.9;
            transition: all 0.3s;
            margin-bottom: 10px;
        }
        .toast-custom.success { background: #28a745; }
        .toast-custom.info { background: #17a2b8; }
        .toast-custom.warning { background: #ffc107; color: #333; }