:root{--bg:#0f0f10;--card:#17181b;--fg:#e7e7e7;--muted:#a9a9ad;--brand:#ffd02a;}body{margin:0;font-family:system-ui,Arial;color:var(--fg);background:var(--bg)}.wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.card{width:min(420px,92%);background:var(--card);padding:24px;border-radius:14px}.error{color:#ff6b6b}.topbar{position:sticky;top:0;background:#121317;color:#fff;padding:14px}.container{width:min(1000px,94%);margin:24px auto}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.link{color:var(--brand)}.hint{color:#aaa;font-size:.9rem;margin-top:8px}