:root{color-scheme:light dark;--bg:#f7f6f2;--surface:#fff;--text:#1d2321;--muted:#5d6763;--line:#dcdcd4;--accent:#1f6f50;--accent-text:#fff;--danger:#b3261e;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}@media (prefers-color-scheme:dark){:root{--bg:#141816;--surface:#1c211f;--text:#e8ece9;--muted:#9aa49f;--line:#2e3532;--accent:#5cc496;--accent-text:#0d1a14;--danger:#ff8a80}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}main{max-width:28rem;margin:0 auto;padding:3rem 1.25rem}h1{margin:0 0 .25rem;font-size:1.75rem}p{margin:0 0 1rem}.muted{color:var(--muted)}.error{color:var(--danger);min-height:1.5em}.card{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;margin-top:1.5rem;padding:1.25rem}label{margin-bottom:.25rem;font-weight:600;display:block}input{width:100%;font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:.5rem;margin-bottom:1rem;padding:.6rem .75rem}button,.button{font:inherit;background:var(--accent);color:var(--accent-text);cursor:pointer;border:0;border-radius:.5rem;padding:.6rem 1.1rem;font-weight:600;text-decoration:none;display:inline-block}button:disabled{opacity:.6;cursor:wait}[hidden]{display:none!important}