:root{color-scheme:dark;--bg:#09090e;--card:#15151e;--line:#30303f;--accent:#ed145b;--text:#f5f5f8;--muted:#a8a8b5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}.box,.panel{width:min(1050px,calc(100% - 30px));margin:6vh auto;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px}.box{max-width:620px}.box.small{max-width:460px}.panel header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.panel header span{color:var(--accent);font-weight:800;font-size:12px;letter-spacing:1px}h1,h2{margin:5px 0 18px}a{color:#ff4f89}.grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:24px}label{display:block;font-weight:700;margin:14px 0 7px}input,textarea,button,.button{width:100%;border:1px solid var(--line);border-radius:10px;background:#0d0d14;color:var(--text);padding:12px;font:inherit}textarea{resize:vertical}button,.button{display:inline-block;background:var(--accent);border:0;font-weight:800;cursor:pointer;text-align:center;text-decoration:none;margin-top:18px}.switch{display:flex;gap:10px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:10px}.switch input{width:auto;margin:0}.ok,.error{padding:12px 14px;border-radius:10px;margin:14px 0}.ok{background:#123a2b;color:#8ff2c6}.error{background:#481827;color:#ffabc5}.embed{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}small,p{color:var(--muted)}code{color:#ff8fb5}@media(max-width:720px){.grid{grid-template-columns:1fr}.box,.panel{padding:20px;margin:20px auto}.panel header{align-items:flex-start}}