.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;
        }
        .reg-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;
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 1rem 0;
        }
        .data-table-wrap table {
            border-collapse: collapse;
            width: 100%;
            min-width: 300px;
        }
        .data-table-wrap th,
        .data-table-wrap td {
            border: 1px solid #dee2e6;
            padding: 0.4rem 0.6rem;
            text-align: center;
            min-width: 60px;
        }
        .data-table-wrap th {
            background-color: #e9ecef;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .data-table-wrap td input {
            width: 100%;
            border: none;
            background: transparent;
            text-align: center;
            font-size: 0.95rem;
            padding: 0.2rem 0;
            outline: none;
        }
        .data-table-wrap td input:focus {
            background: #fff;
            box-shadow: 0 0 0 2px rgba(70, 130, 180, 0.3);
            border-radius: 2px;
        }
        .data-table-wrap .col-header {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .data-table-wrap .col-header .del-col-btn {
            background: none;
            border: none;
            color: #dc3545;
            cursor: pointer;
            font-size: 0.8rem;
            padding: 0 2px;
        }
        .data-table-wrap .col-header .del-col-btn:hover {
            color: #a71d2a;
        }
        .data-table-wrap .row-del-btn {
            background: none;
            border: none;
            color: #dc3545;
            cursor: pointer;
            font-size: 0.85rem;
            padding: 0 4px;
        }
        .data-table-wrap .row-del-btn:hover {
            color: #a71d2a;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 1rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            border: 1px solid #e9ecef;
        }
        .stat-card .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .stat-card .stat-sub {
            font-size: 0.8rem;
            color: #6c757d;
            margin-top: 0.2rem;
        }
        .coeff-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        .coeff-table th,
        .coeff-table td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #dee2e6;
            text-align: center;
        }
        .coeff-table th {
            background-color: #e9ecef;
            font-weight: 600;
        }
        .coeff-table .sig-star {
            color: #dc3545;
            font-weight: 700;
        }
        .csv-upload-area {
            border: 2px dashed #ced4da;
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s;
            margin: 1rem 0;
            background: #fafafa;
        }
        .csv-upload-area:hover {
            border-color: var(--primary-color);
            background: #f0f4f8;
        }
        .csv-upload-area input[type="file"] {
            display: none;
        }
        .csv-upload-area .upload-icon {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }