.click-counter-number {
            font-size: 4.5rem;
            font-weight: 800;
            color: var(--primary-color);
            text-align: center;
            background: linear-gradient(145deg, #f8f9fc, #eef2f7);
            border-radius: 2rem;
            padding: 1rem 1.5rem;
            margin: 1rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            font-family: 'Courier New', 'Fira Code', monospace;
            letter-spacing: 2px;
        }
        .big-click-btn {
            background-color: var(--primary-color);
            border: none;
            padding: 1rem 2rem;
            font-size: 2rem;
            font-weight: 600;
            border-radius: 60px;
            box-shadow: 0 6px 0 #1e4a76;
            transition: all 0.07s linear;
            width: 100%;
            color: white;
        }
        .big-click-btn:active {
            transform: translateY(3px);
            box-shadow: 0 3px 0 #1e4a76;
        }
        .action-buttons .btn {
            margin: 0.3rem;
            border-radius: 40px;
        }
        .stats-panel {
            background-color: rgba(70, 130, 180, 0.04);
            border-radius: 1rem;
            padding: 1.2rem;
            margin-top: 1rem;
        }
        .history-list {
            max-height: 220px;
            overflow-y: auto;
            background: white;
            border-radius: 0.8rem;
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            font-size: 0.85rem;
        }
        .history-item {
            border-bottom: 1px solid #eee;
            padding: 6px 8px;
            font-family: monospace;
        }
        .metric-card {
            background: white;
            border-radius: 1rem;
            padding: 0.8rem;
            text-align: center;
            box-shadow: 0 2px 6px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
        }
        .metric-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-color);
        }
        .canvas-chart {
            width: 100%;
            height: auto;
            background-color: #fefefe;
            border-radius: 12px;
            border: 1px solid #ddd;
            margin-top: 0.5rem;
        }
        .legend-chart {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            font-size: 0.75rem;
            margin-top: 0.3rem;
        }
        .faq-section .accordion-button {
            font-weight: 500;
        }