.result-summary {
            background: linear-gradient(145deg, #f8faff, #eef4fa);
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0;
            border-left: 6px solid var(--primary-color);
        }
        .tax-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
        }
        .tax-badge.penalty {
            background: #f8d7da;
            color: #721c24;
        }
        .tax-badge.bonus {
            background: #d4edda;
            color: #155724;
        }
        .tax-badge.neutral {
            background: #e2e3e5;
            color: #383d41;
        }
        .tax-badge.savings {
            background: #cce5ff;
            color: #004085;
        }
        .comparison-number {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.2;
        }
        .comparison-label {
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .bracket-table {
            font-size: 0.9rem;
        }
        .bracket-table td,
        .bracket-table th {
            padding: 0.5rem 0.75rem;
        }
        .tax-result-card {
            border-radius: 12px;
            padding: 1.5rem;
            background: white;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9ecef;
            height: 100%;
        }
        .tax-result-card .number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .tax-result-card .sub {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .tax-result-card .label {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .example-preset {
            cursor: pointer;
            transition: all 0.2s;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 0.6rem 1rem;
            background: white;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin: 0.2rem;
        }
        .example-preset:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(70, 130, 180, 0.2);
        }
        .example-preset i {
            font-size: 1rem;
        }
        .chart-container canvas {
            width: 100%;
            height: auto;
            max-height: 320px;
        }
        .insight-box {
            background: #f0f7fb;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-left: 5px solid #0d6efd;
        }
        .insight-box h5 {
            color: #0d6efd;
        }
        .disclaimer-box {
            background: #fef9e7;
            border: 1px solid #f9e79f;
            border-radius: 8px;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            color: #7d6608;
        }
        .disclaimer-box i {
            color: #d4ac0d;
        }
        .authority-ref {
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
            margin-top: 1.5rem;
        }
        .faq-item {
            border-bottom: 1px solid #e9ecef;
            padding: 0.75rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item .question {
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item .question:hover {
            color: var(--primary-color);
        }
        .faq-item .answer {
            display: none;
            padding-top: 0.5rem;
            color: #444;
        }
        .faq-item .answer.show {
            display: block;
        }
        .faq-item .toggle-icon {
            transition: transform 0.2s;
        }
        .faq-item .toggle-icon.rotated {
            transform: rotate(180deg);
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .input-group-custom label {
            font-weight: 500;
            margin-bottom: 0.25rem;
        }
        .input-group-custom .range-value {
            font-weight: 600;
            color: var(--primary-color);
            min-width: 60px;
            display: inline-block;
        }
        @media (max-width: 576px) {
            .comparison-number {
                font-size: 1.8rem;
            }
            .tax-result-card .number {
                font-size: 1.6rem;
            }
            .result-summary {
                padding: 1rem;
            }
        }