:root{
  --bg:#050608;
  --panel:#0b0f14;
  --text:#e8f7ff;
  --muted:#8fb6cf;
  --border:rgba(255,255,255,.10);
  --accent:#7c3aed;
  --accent2:#06b6d4;
  --shadow: 0 20px 60px rgba(0,0,0,.65);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(124,58,237,.25), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(6,182,212,.18), transparent 55%),
    radial-gradient(600px 600px at 70% 80%, rgba(124,58,237,.14), transparent 60%),
    var(--bg);
}

.wrap{max-width:980px; margin:0 auto; padding:42px 18px 28px}

.top{margin-bottom:18px}
.badge{display:inline-block; font: 12px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color:var(--muted); border:1px solid var(--border); background:rgba(255,255,255,.06);
  padding:6px 10px; border-radius:999px; margin-bottom:14px}

h1{font-size:44px; margin:0 0 8px; letter-spacing:-.02em}
.sub{margin:0; color:var(--muted); line-height:1.6}

.card{
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.06), transparent 22%), var(--panel);
  border-radius:16px;
  box-shadow:var(--shadow);
  padding:22px;
}

h2{margin:0 0 10px; font-size:22px}

p{color:rgba(232,247,255,.92); line-height:1.8}
code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color:#d6f3ff; background:rgba(6,182,212,.10); border:1px solid rgba(6,182,212,.22);
  padding:2px 6px; border-radius:8px}

ul{margin:12px 0 0 18px; color:rgba(232,247,255,.92); line-height:1.8}
li strong{color:#fff}

.end{margin-top:14px; font-weight:600}
.sig{margin-top:14px; color:var(--muted)}

.footer{margin-top:16px; display:flex; gap:10px; align-items:center; flex-wrap:wrap; justify-content:center; color:var(--muted); font-size:13px}
.footer a{color:var(--accent2); text-decoration:none}
.footer a:hover{text-decoration:underline}
.sep{opacity:.55}
.muted{opacity:.9}