.badge-stat {
            background-color: var(--primary-color);
            color: #fff;
            font-size: 0.65rem;
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            margin-left: 0.3rem;
        }
        .stats-summary {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 0.75rem;
            margin: 1.5rem 0;
        }
        .stats-item {
            background: var(--light-bg);
            padding: 0.75rem 0.5rem;
            border-radius: 10px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.2s;
        }
        .stats-item.highlight {
            border-color: var(--primary-color);
            background: #eef4ff;
        }
        .stats-item .label {
            font-size: 0.7rem;
            text-transform: uppercase;
            color: #6c757d;
            letter-spacing: 0.3px;
        }
        .stats-item .value {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1a1a2e;
        }
        .stats-item .value.q1-highlight {
            color: var(--primary-color);
            font-size: 1.8rem;
        }
        .result-value.q1-value {
            font-size: 2rem;
            color: var(--primary-color);
        }
        .canvas-container {
            background: #fafcff;
            border-radius: 12px;
            padding: 1rem;
            margin-top: 1.5rem;
            border: 1px solid var(--border-color);
        }
        .stats-canvas {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            flex-wrap: wrap;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .legend-color {
            width: 18px;
            height: 18px;
            border-radius: 4px;
        }
        .legend-color.box { background: rgba(13, 110, 253, 0.25); border: 2px solid var(--primary-color); }
        .legend-color.median { background: #dc3545; width: 18px; height: 3px; border-radius: 0; }
        .legend-color.whisker { background: #6c757d; width: 18px; height: 2px; border-radius: 0; }
        .legend-color.outlier { background: #dc3545; border-radius: 50%; width: 14px; height: 14px; }
        .faq-accordion .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border-color);
        }
        .faq-accordion .accordion-button {
            padding: 1rem 0;
            font-weight: 500;
            background: transparent;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary-color);
            background: transparent;
        }
        .faq-accordion .accordion-@media (max-width: 576px) {
            .stats-summary { grid-template-columns: repeat(3, 1fr); }
            .stats-item .value { font-size: 1.1rem; }
            .result-value.q1-value { font-size: 1.6rem; }
            .tool-header h1 { font-size: 1.6rem; }
        }