:root {
            --primary-color: #2c7da0;
            --secondary-color: #a9d6e5;
            --accent-color: #01497c;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --stat-color: #17a2b8;
            --warning-color: #ffc107;
        } 
        .breadcrumb { background: transparent; padding: 0.5rem 0; }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(44,125,160,0.15);
        }
        .math-result {
            padding: 12px;
            background-color: white;
            border-radius: 4px;
            border: 1px solid #eee;
            font-size: 1.1rem;
            font-family: 'Cambria Math', 'Latin Modern Math', STIXGeneral, serif;
            margin: 10px 0;
            text-align: center;
        }
        .stat-summary {
            background: white;
            border-radius: 8px;
            padding: 1.25rem;
            border: 1px solid var(--border-color);
            margin: 1.25rem 0;
        }
        .summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
        }
        .stat-item {
            background: rgba(23, 162, 184, 0.05);
            padding: 0.75rem;
            border-radius: 6px;
            border-left: 3px solid var(--stat-color);
        }
        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .stat-value {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--stat-color);
            line-height: 1.2;
        }
        .quantile-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0.75rem;
            margin-top: 0.75rem;
        }
        .quantile-card {
            background: white;
            padding: 0.75rem 0.5rem;
            border-radius: 6px;
            border: 1px solid #e9ecef;
            text-align: center;
        }
        .quantile-card .quantile-p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .quantile-card .quantile-x {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-color);
        }
        .example-badge {
            display: inline-flex;
            background-color: rgba(44,125,160,0.1);
            border: 1px solid rgba(44,125,160,0.2);
            border-radius: 4px;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            color: var(--primary-color);
            cursor: pointer;
            transition: all 0.2s;
            font-family: 'Courier New', monospace;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .example-badge:hover {
            background-color: rgba(44,125,160,0.2);
            transform: translateY(-2px);
        }
        .param-warning {
            background-color: #fff3cd;
            border: 1px solid #ffeeba;
            color: #856404;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin-top: 0.5rem;
            font-size: 0.9rem;
            display: none;
        }
        .param-warning i { margin-right: 0.5rem; }
        .btn-group-sm-custom {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .radio-group {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 30px;
            padding: 0.25rem;
            display: inline-flex;
        }
        .radio-group .btn-check:checked + .btn-outline-primary {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .radio-group .btn-outline-primary {
            border: none;
            border-radius: 30px;
            padding: 0.4rem 1rem;
        }