:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5;color:#0f172a;background:#f8fafc}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}.layout{max-width:1100px;margin:0 auto;padding:1.5rem}nav{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid #e2e8f0}nav a{font-weight:500}.card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:1rem 1.25rem;margin-bottom:1rem;box-shadow:0 1px 2px #0f172a0f}.card h2{margin-top:0;font-size:1.1rem}.muted{color:#64748b;font-size:.9rem}.error{color:#b91c1c;padding:.75rem;background:#fef2f2;border-radius:6px}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:.5rem .75rem;border-bottom:1px solid #e2e8f0}th{font-weight:600;background:#f1f5f9}select,textarea,input{font:inherit;padding:.4rem .5rem;border:1px solid #cbd5e1;border-radius:6px;width:100%;max-width:420px}textarea{min-height:140px;max-width:100%;font-family:ui-monospace,monospace;font-size:.85rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.stat{padding:1rem;background:#fff;border:1px solid #e2e8f0;border-radius:8px}.stat strong{display:block;font-size:1.4rem}