:root{font-family:system-ui,Segoe UI,Roboto,sans-serif;line-height:1.5;color:#0f172a;background:#f8fafc}*{box-sizing:border-box}body{margin:0;min-height:100vh}.app{max-width:56rem;margin:0 auto;padding:2rem 1.5rem 3rem}.header{margin-bottom:2rem}h1{margin:0 0 .5rem;font-size:1.75rem;font-weight:600}.lead{margin:0;color:#64748b;font-size:1rem}.panel h2{margin:0 0 .75rem;font-size:1.25rem;font-weight:600}.table-hint{margin:0 0 1rem;font-size:.9rem}.table-wrap{overflow-x:auto;border-radius:10px;border:1px solid #e2e8f0;background:#fff}.data-table{width:100%;border-collapse:collapse;font-size:.95rem}.data-table th,.data-table td{padding:.65rem 1rem;text-align:left;border-bottom:1px solid #f1f5f9}.data-table th{background:#f8fafc;font-weight:600;color:#334155}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover td{background:#fafafa}.muted{color:#64748b}.error-msg{margin:0;color:#b91c1c;font-size:.95rem}