.math-box {
            background: #f0f4f8;
            border-left: 4px solid var(--primary-color);
            padding: 1.2rem;
            border-radius: 0.5rem;
            margin: 1.5rem 0;
            font-family: 'Courier New', monospace;
        }
        .result-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .result-row {
            font-size: 1.1rem;
            margin: 0.8rem 0;
        }
        .example-btn {
            background: #e9ecef;
            border: none;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            transition: 0.2s;
            cursor: pointer;
        }
        .example-btn:hover {
            background: #cbd5e0;
            transform: translateY(-2px);
        }
        .canvas-card {
            background: #ffffff;
            border-radius: 0.75rem;
            border: 1px solid #e2e8f0;
            padding: 1rem;
            margin-top: 1.2rem;
        }
        .canvas-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 1rem;
            color: #2d3748;
        }
        .legend-diagram {
            display: flex;
            gap: 1.2rem;
            justify-content: center;
            margin-top: 0.5rem;
            font-size: 0.8rem;
        }
        .legend-color {
            width: 18px;
            height: 18px;
            display: inline-block;
            border-radius: 2px;
            margin-right: 0.3rem;
        }
        .property-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }
        .property-table th, .property-table td {
            border: 1px solid #e2e8f0;
            padding: 0.6rem;
        }
        .property-table th {
            background: #f1f5f9;
        }
        .warning-note {
            background: #fff3cd;
            border-left: 4px solid #f0ad4e;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            margin: 1rem 0;
        }
        .privacy-note {
            background: #e2f0f9;
            border-radius: 0.5rem;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
        }
     
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        canvas {
            background: #ffffff;
            border-radius: 8px;
            width: 100%;
            height: auto;
        }
        .beam-canvas, .moment-canvas {
            background: #fefefe;
            border: 1px solid #cbd5e1;
            margin-top: 0.5rem;
        }
        .input-group-custom {
            margin-bottom: 0.8rem;
        }
        .verification-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .verification-table th, .verification-table td {
            border: 1px solid #ddd;
            padding: 0.75rem;
            text-align: center;
        }
        .verification-table th {
            background-color: #f2f2f2;
            font-weight: 600;
        }
        .verification-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .verification-table .checkmark {
            color: #28a745;
            font-weight: bold;
        }
        .design-note {
            background-color: #e8f4f8;
            border-left: 4px solid #17a2b8;
            padding: 1rem;
            border-radius: 0.5rem;
            margin: 1rem 0;
        }
        .application-step {
            background: #f8f9fa;
            border-radius: 0.5rem;
            padding: 1.5rem;
            margin: 1rem 0;
        }
        .step-number {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            text-align: center;
            line-height: 30px;
            margin-right: 0.75rem;
            font-weight: bold;
        }