:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b1220;--fg:#e8eefc;--muted:#9aa8c7;--accent:#3b82f6;--card:#141c2e;--danger:#f87171}*{box-sizing:border-box}html,body{background:radial-gradient(1200px 600px at 20% -10%, #1a2744, var(--bg));min-height:100%;color:var(--fg);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--accent)}main{max-width:40rem;margin:0 auto;padding:3rem 1.25rem}.card{background:var(--card);border:1px solid #243049;border-radius:12px;padding:1.25rem}button,.button{appearance:none;background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:.65rem 1rem;font-weight:600}button:disabled{opacity:.6;cursor:not-allowed}label{gap:.35rem;display:grid}input{width:100%;color:var(--fg);background:#0f172a;border:1px solid #334155;border-radius:8px;padding:.65rem .75rem}.muted{color:var(--muted)}.error{color:var(--danger)}