:root{
  --bg:#2e3c4f; --card:#fff; --ink:#0b1220; --muted:#5c6b7d;
  --line:#d7dee9; --accent:#e6edf5; --btn:#0f172a; --btn2:#475569;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.page{max-width:880px;margin:48px auto;padding:0 20px}

.hero{display:flex;align-items:center;gap:16px;color:#fff;margin-bottom:20px}
.logo{height:64px;width:64px;object-fit:contain;border-radius:8px;background:#223043}
.hero h1{margin:0;font-size:28px}
.sub{margin:4px 0 0;color:#cfd8e6}

.card{background:var(--card);border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.12);padding:22px;margin-bottom:18px;position:relative}
.card h2{margin:0 0 6px;font-size:20px}
.step{position:absolute;top:-12px;left:-12px;width:34px;height:34px;border-radius:50%;
  background:var(--btn);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}

label{display:block;font-weight:600;margin:14px 0 6px}
.hint{color:var(--muted);margin:0 0 6px;font-size:14px}
input,select{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;font-size:15px;background:#fff}
label.check{display:flex;align-items:center;gap:10px;font-weight:500;margin-top:12px}
label.check input{width:auto}

.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
button{appearance:none;border:0;border-radius:10px;padding:11px 16px;
  background:var(--btn);color:#fff;font-weight:600;cursor:pointer;font-size:15px}
button.secondary{background:var(--btn2)}
button.small{padding:7px 12px;font-size:13px}
button:hover{opacity:.92}

details{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
details summary{cursor:pointer;font-weight:700;color:#334155}
textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;
  font:13px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;background:#f8fafc}

.warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;
  border-radius:10px;padding:11px 13px;margin:12px 0 0;font-size:14px}

.log-head{display:flex;align-items:center;justify-content:space-between}
.log{background:#0b1220;color:#d6e2f1;border-radius:10px;padding:14px;height:340px;
  overflow:auto;white-space:pre-wrap;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;margin:10px 0 0}
.foot{color:#cbd5e1;text-align:center;margin-top:8px;font-size:13px}
code{background:#eef2f7;padding:1px 5px;border-radius:5px;font-size:13px}