:root{
  --bg:#0f172a; --panel:#111827; --card:#0b1220; --text:#e5e7eb; --muted:#9ca3af; --accent:#7c3aed; --accent2:#22d3ee; --ok:#10b981;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background: radial-gradient(600px 300px at 10% 10%, rgba(124,58,237,.15), transparent),
              radial-gradient(500px 250px at 80% 80%, rgba(34,211,238,.10), transparent),
              linear-gradient(180deg,var(--bg),#0b1020);
  color:var(--text); line-height:1.6;
}
a{color:var(--accent2); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:28px 20px}
.nav{display:flex;gap:18px;align-items:center;justify-content:space-between}
.brand{font-weight:800;letter-spacing:.2px}
.nav a{color:var(--text);opacity:.9}
.hero{padding:36px 0;display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.card{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08); border-radius:16px; padding:20px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
footer{margin-top:40px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;color:var(--muted);font-size:14px}
.badge{display:inline-block;background:rgba(124,58,237,.15);border:1px solid rgba(124,58,237,.35);color:#ddd;padding:6px 10px;border-radius:999px;font-size:12px}
.post{max-width:820px;margin:0 auto;padding:18px}
.post h1{font-size:36px;margin:10px 0 6px}
.meta{color:var(--muted);font-size:14px;margin-bottom:16px}
.post img{max-width:100%;border-radius:10px}
.toc{background:rgba(255,255,255,.03);border:1px dashed rgba(255,255,255,.12);border-radius:12px;padding:14px;margin:16px 0}
.kicker{font-weight:600;color:#cbd5e1}
.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),#5b21b6);color:white;padding:10px 14px;border-radius:10px;font-weight:600}
.btn:hover{opacity:.95}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:6px}
code,pre{background:#0b1220;border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:2px 6px}
@media (max-width:900px){ .hero{grid-template-columns:1fr} .grid{grid-template-columns:1fr} }