.result-value-lg {
            font-size: 2rem;
            font-weight: 700;
            color: #0d6efd;
        }
        .uncertainty-badge {
            background: #e2eafc;
            border-radius: 40px;
            padding: 0.2rem 0.8rem;
            font-family: monospace;
        }
        .variable-card {
            background: #ffffff;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            padding: 1rem;
            margin-bottom: 1rem;
            box-shadow: 0 1px 2px rgba(0,0,0,0.03);
        }
        .coefficient-input {
            max-width: 100px;
        }
        .propagation-formula {
            font-family: 'Latin Modern Math', 'STIXGeneral', serif;
            background: #f1f5f9;
            padding: 0.75rem 1rem;
            border-radius: 12px;
            margin: 1rem 0;
        }
        .section-badge {
            background-color: #0d6efd10;
            border-radius: 40px;
            padding: 0.25rem 1rem;
            font-size: 0.8rem;
            font-weight: 500;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .legend-icon {
            width: 20px;
            height: 20px;
            display: inline-block;
            border-radius: 4px;
            margin-right: 8px;
        }
        .bg-soft-primary { background-color: #e6f0ff; }
        .border-left-primary { border-left: 3px solid #0d6efd; }
        .katex-style { font-size: 1.05rem; }
        @media (max-width: 768px) {
            .result-value-lg { font-size: 1.5rem; }
        }