.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%;
            display: inline-block;
        }
        .legend-color.red {
            background-color: #dc3545;
        }
        .legend-color.blue {
            background-color: #0d6efd;
        }
        .legend-color.green {
            background-color: #198754;
        }
        .legend-color.gray {
            background-color: #6c757d;
        }
        .fraction-display {
            display: inline-flex;
            align-items: center;
            gap: 0.15rem;
            font-size: 2rem;
            font-family: 'Cambria Math', 'Latin Modern Math', STIXGeneral, serif;
        }
        .fraction-display .num {
            border-bottom: 2px solid #333;
            padding: 0 0.4rem 0.1rem 0.4rem;
        }
        .fraction-display .den {
            padding: 0.1rem 0.4rem 0 0.4rem;
        }
        .fraction-display .whole {
            padding-right: 0.3rem;
        }
        .step-item {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0f0f0;
            font-family: 'Courier New', monospace;
            font-size: 1.1rem;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-label {
            font-weight: 600;
            color: var(--primary-color);
        }
        .frac-bar-container {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            padding: 0.5rem 0;
        }
        .frac-bar-row {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .frac-bar-label {
            min-width: 3rem;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .frac-bar-track {
            flex: 1;
            height: 2rem;
            background-color: #f0f0f0;
            border-radius: 4px;
            position: relative;
            overflow: hidden;
            border: 1px solid #ddd;
        }
        .frac-bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 0.4s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 600;
            font-size: 0.8rem;
            min-width: 2rem;
        }
        .frac-bar-fill.op1 {
            background-color: #0d6efd;
        }
        .frac-bar-fill.op2 {
            background-color: #dc3545;
        }
        .frac-bar-fill.result {
            background-color: #198754;
        }
        .frac-bar-value {
            font-size: 0.85rem;
            color: #555;
            min-width: 4rem;
            text-align: right;
        }
        .op-symbol-selector {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .op-symbol-selector .btn {
            min-width: 3rem;
            font-size: 1.3rem;
            font-weight: 600;
        }
        .op-symbol-selector .btn.active {
            background-color: var(--primary-color);
            color: #fff;
            border-color: var(--primary-color);
        }
        .result-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin: 1rem 0;
        }
        .result-card {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 1rem;
            text-align: center;
        }
        .result-card .label {
            font-size: 0.85rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .result-card .value {
            font-size: 1.8rem;
            font-weight: 600;
            font-family: 'Cambria Math', 'Latin Modern Math', STIXGeneral, serif;
        }
        @media (max-width: 576px) {
            .result-grid {
                grid-template-columns: 1fr;
            }
            .frac-bar-row {
                flex-wrap: wrap;
                gap: 0.25rem;
            }
            .frac-bar-label {
                min-width: 2rem;
            }
            .frac-bar-value {
                min-width: 3rem;
            }
        }.fraction-display {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    font-size: 2rem;
    font-family: 'Cambria Math', 'Latin Modern Math', STIXGeneral, serif;
    vertical-align: middle;
}

.fraction-display .num {
    border-bottom: 2px solid #333;
    padding: 0 0.4rem 0.1rem 0.4rem;
}

.fraction-display .den {
    padding: 0.1rem 0.4rem 0 0.4rem;
}

.fraction-display .whole {
    padding-right: 0.3rem;
}