:root{font-family:system-ui,sans-serif}body{color:#e6e6e6;background:#0f1115;margin:0}a{color:#7ab8ff}.container{max-width:720px;margin:0 auto;padding:2rem 1rem}button{color:#fff;cursor:pointer;background:#3b82f6;border:none;border-radius:6px;padding:.6rem 1.2rem;font-size:1rem}button:disabled{opacity:.5;cursor:not-allowed}input{box-sizing:border-box;color:#e6e6e6;background:#1a1d24;border:1px solid #444;border-radius:6px;width:100%;margin:.5rem 0 1rem;padding:.6rem;display:block}.card{background:#171a21;border:1px solid #2a2f3a;border-radius:10px;margin:1rem 0;padding:1.5rem}code{word-break:break-all;background:#1a1d24;border-radius:4px;padding:.2rem .4rem}.error{color:#f87171}.muted{color:#9aa0aa}