body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; margin: 0; padding: 0; background:#0b1020; color:#e8ecff; }
.wrap { max-width: 980px; margin: 0 auto; padding: 16px; }
.top .row { display:flex; gap:8px; flex-wrap:wrap; }
button { padding:10px 12px; border:0; border-radius:10px; background:#2b4cff; color:white; cursor:pointer; }
button:disabled { opacity:0.5; cursor:not-allowed; }
.doors { display:grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap:10px; }
.door { padding:12px; border-radius:14px; background:#141b33; border:1px solid #26315e; }
.door.locked { opacity:0.5; }
.door .meta { font-size:12px; opacity:0.85; margin-top:6px; }
.err { color:#ff6b6b; }
pre { background:#0f1630; border:1px solid #26315e; border-radius:12px; padding:10px; overflow:auto; }
.card { background:#141b33; border:1px solid #26315e; border-radius:14px; padding:12px; margin-top:12px; }
input { padding:10px; border-radius:10px; border:1px solid #26315e; background:#0f1630; color:#e8ecff; width: min(520px, 100%); }
label { display:block; margin: 10px 0; }