:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;color:#0f172a;background:#f8fafc}*{box-sizing:border-box}body{margin:0}a{color:#0369a1}.card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:1rem;margin-bottom:1rem}button{background:#0369a1;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer}input,select{padding:.5rem;border:1px solid #cbd5e1;border-radius:6px;margin-right:.5rem}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.5rem;border-bottom:1px solid #e2e8f0}