:root{--bg:#0b0d12;--card:#151924;--card2:#1d2230;--text:#f4f6fb;--muted:#9ba4b8;--line:#2a3040}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:760px;margin:auto;padding:18px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.eyebrow{font-size:12px;letter-spacing:.2em;color:var(--muted)}.grid{display:grid;gap:12px}.two{grid-template-columns:1fr 1fr}.big,.back,.ghost,.linkbtn{border:0;border-radius:18px;padding:16px 18px;background:var(--card);color:var(--text);font-weight:700;text-decoration:none;text-align:center}.big{min-height:64px}.full{width:100%;margin-top:12px}.back{margin-top:16px;background:var(--card2)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin:12px 0}.row{display:flex;justify-content:space-between;gap:10px}input,textarea{width:100%;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:14px;padding:13px;margin:7px 0}textarea{min-height:100px}.muted{color:var(--muted)}.key{font-family:monospace;word-break:break-all;background:#07080c;border-radius:12px;padding:12px}.slot{border:1px solid var(--line);border-radius:14px;padding:12px;margin:10px 0}.linkbtn{display:block;margin-top:10px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#fff;color:#000;padding:12px 16px;border-radius:12px}@media(max-width:520px){.two{grid-template-columns:1fr}}