.coeff-input { font-family: 'Courier New', monospace; font-size: 1rem; }
        .dual-chart { display: flex; flex-direction: column; gap: 0.5rem; }
        .chart-wrapper { background: #fafafa; border-radius: 8px; padding: 0.5rem; border: 1px solid #e9ecef; }
        .chart-wrapper h6 { margin-left: 0.5rem; color: #0d6efd; font-weight: 600; }
        .result-badge { font-size: 1rem; padding: 0.5rem 1rem; background-color: #e9f2fa; border-radius: 20px; }
        .gm-pm-box { background-color: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; border-radius: 4px; padding: 0.5rem; margin-top: 1rem; font-weight: 500; }
        .validation-badge { background-color: #28a745; color: white; border-radius: 20px; padding: 0.2rem 1rem; font-size: 0.8rem; display: inline-block; }
        .eeat-quote { background: #f0f7ff; padding: 1rem; border-left: 4px solid #0d6efd; margin: 1rem 0; }
        .btn-download-chart { font-size: 0.8rem; margin: 0 2px; }