:root{--bg:#0b0b0c;--fg:#f2f2f2;--muted:#9a9a9a;--accent:#00ff88;--card:#151517;--line:#26262a}
@media (prefers-color-scheme: light){:root{--bg:#fafafa;--fg:#111;--muted:#666;--card:#fff;--line:#e5e5e5}}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 20px 96px}h1{font-size:2rem;letter-spacing:-.02em;margin:0 0 .3em}h2{font-size:1.15rem;margin:2em 0 .6em}
p{margin:.4em 0}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:12px 0}
label{display:block;font-size:.9rem;margin:10px 0 4px}input,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:transparent;color:inherit;font:inherit}
textarea{min-height:96px;resize:vertical}button{padding:10px 16px;border-radius:10px;border:0;background:var(--accent);color:#000;font:inherit;font-weight:600;cursor:pointer}
button[disabled]{opacity:.5;cursor:default}ul.plain{list-style:none;padding:0;margin:0}ul.plain li{padding:10px 0;border-top:1px solid var(--line)}ul.plain li:first-child{border-top:0}
footer{margin-top:64px;font-size:.85rem;color:var(--muted)}footer a{color:inherit}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}