body{font-family:system-ui,Arial,sans-serif;margin:0;padding:0}header,footer{padding:16px;background:#f6f6f6}main{padding:24px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{border:1px solid #e5e5e5;padding:16px;border-radius:12px}table{width:100%;border-collapse:collapse}