:root{
  --bg: #0b0f19;
  --panel: #111726;
  --text: #e6eaf2;
  --muted: #a5b0c2;
  --brand: #6ea8fe;
  --accent: #8de1c9;
  --border: #1b2338;
  --card: #0f1422;
  --code: #0d1220;
}
*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: linear-gradient(180deg, var(--bg), #0a0f1a 50%, #0a0e18 100%);
  color: var(--text);
  line-height:1.6;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:24px}
.header{
  position:sticky;top:0;z-index:10;
  background:rgba(11,15,25,0.8);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;gap:16px}
.nav .brand{display:flex;align-items:center;gap:10px;font-weight:600}
.nav .spacer{flex:1}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(180deg, #18223a, #131a2e);
  border:1px solid var(--border);
  color:var(--text);
  padding:10px 14px;border-radius:12px;cursor:pointer;
}
.btn:hover{filter:brightness(1.1)}
.hero{padding:60px 0 34px;border-bottom:1px dashed var(--border)}
.hero h1{font-size:40px;line-height:1.1;margin:0 0 12px}
.hero p{color:var(--muted);max-width:800px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background: radial-gradient(120% 120% at 0% 0%, #0c1322 0%, var(--card) 60%);
  border:1px solid var(--border);
  border-radius:16px;padding:16px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.card h3{margin:0 0 8px;font-size:18px}
.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;border:1px solid var(--border);background:#10182a;color:var(--muted);font-size:12px}
.footer{margin-top:40px;padding:20px 0;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.kbd{padding:2px 6px;border:1px solid var(--border);border-radius:6px;background:#0c1220}
.input{
  width:100%;background:#0c1220;border:1px solid var(--border);border-radius:12px;padding:12px 14px;color:var(--text)
}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:14px 0}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:#0f172a;color:var(--text);font-size:13px;cursor:pointer}
.tag[data-active="true"]{outline:2px solid var(--brand);background:#12203c}
.list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:10px}
.small{font-size:13px;color:var(--muted)}
pre,code{background:var(--code);border:1px solid var(--border);border-radius:10px;padding:12px;overflow:auto}
pre{white-space:pre-wrap}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left}
@media (max-width: 900px){
  .grid{grid-template-columns:1fr}
  .list{grid-template-columns:1fr}
  .hero h1{font-size:32px}
}