*{box-sizing:border-box}html,body{color:#1f2937;background:#f7f7f7;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit}main{max-width:960px;margin:0 auto;padding:24px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;margin-top:16px;padding:16px}.metrics-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;display:grid}.metric{background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;padding:12px}.metric-label{color:#6b7280;margin-bottom:4px;font-size:.8rem}.metric-value{font-weight:600}select{border:1px solid #d1d5db;border-radius:6px;min-width:220px;padding:8px}