:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";line-height:1.4;color:#111;background:#f6f7fb}body{margin:0}.container{max-width:860px;margin:0 auto;padding:18px}.card{background:#fff;border:1px solid #e6e8ef;border-radius:14px;padding:16px;box-shadow:0 6px 18px #d324050f}h1{font-size:30px;margin:0 0 10px;color:#0255fa}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid #d4d7e2;background:#fff;padding:10px 12px;border-radius:10px;cursor:pointer;font-weight:600}.btn.primary{background:#111827;border-color:#111827;color:#fff}.btn.danger{background:#b91c1c;border-color:#b91c1c;color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.muted{color:#6b7280;font-size:13px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}@media (max-width: 700px){.grid{grid-template-columns:1fr}}.kv{border:1px solid #eef0f6;border-radius:12px;padding:12px;background:#fbfcff}.k{font-size:12px;color:#0a2ca7ec;text-transform:uppercase;letter-spacing:.04em;font-weight:700}.v{font-size:16px;font-weight:700;margin-top:6px}.vv{font-size:50px;font-weight:700;margin-top:6px;color:#ff0000ec}code.inline{background:#f1f5f9;padding:2px 6px;border-radius:6px}.banner{margin-top:12px;padding:10px 12px;border-radius:12px;border:1px solid #fde68a;background:#fffbeb;color:#92400e;font-size:13px}.error{margin-top:12px;padding:10px 12px;border-radius:12px;border:1px solid #fecaca;background:#fef2f2;color:#991b1b;font-size:13px;white-space:pre-wrap}.footer{margin-top:14px;font-size:12px;color:#6b7280}