:root{
  --bg:#07060b;
  --panel:#0e0b14;
  --text: rgba(244,240,255,.92);
  --muted: rgba(244,240,255,.62);
  --edge: rgba(215,160,255,.16);
  --r: 18px;
  --link: rgba(180,255,220,.95);
}
*{box-sizing:border-box}
html,

a{color:var(--link); text-decoration:none}
a:hover{text-decoration:underline}

.brand{display:flex; align-items:center; gap:12px}
.sigil{
  width:40px;height:40px;border-radius:14px;
  display:grid; place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(215,160,255,.18);
  box-shadow: 0 0 30px rgba(215,160,255,.12);
}
.brandTitle{font-weight:900; letter-spacing:.02em}
.brandSub{font-size:12px; color:var(--muted)}
.actions{display:flex; gap:8px; flex-wrap:wrap}
.btn{
  border-radius:14px;
  border:1px solid rgba(215,160,255,.18);
  background: rgba(255,255,255,.04);
  color:var(--text);
  padding:10px 12px;
  cursor:pointer;
  font-weight:800;
  letter-spacing:.02em;
}
.btn.primary{background: rgba(215,160,255,.14); border-color: rgba(215,160,255,.28);}
.btn.ghost{background: rgba(255,255,255,.02);}
.shell{
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 16px 42px;
  display:grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
}
@media (max-width: 980px){
  .shell{grid-template-columns:1fr}
}
.panel{
  border-radius: var(--r);
  border:1px solid var(--edge);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(0,0,0,.18));
  box-shadow: 0 14px 50px rgba(0,0,0,.45);
}
.toc{
  padding:14px;
  position: sticky;
  top: 78px;
  align-self: start;
  max-height: calc(100vh - 96px);
  overflow: auto;
}
.toc::-webkit-scrollbar{width:10px}
.toc::-webkit-scrollbar-thumb{background:rgba(215,160,255,.18);border-radius:999px}
.toc::-webkit-scrollbar-track{background:rgba(255,255,255,.02)}

.toc h3{
  margin:0 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .10em;
  color: rgba(244,240,255,.80);
}
.toc a{
  display:block;
  padding:8px 10px;
  border-radius: 12px;
  color: rgba(244,240,255,.86);
  border: 1px solid transparent;
}
.toc a:hover{
  background: rgba(215,160,255,.08);
  border-color: rgba(215,160,255,.16);
}
.toc a.active{
  background: rgba(215,160,255,.12);
  border-color: rgba(215,160,255,.22);
}
.toc .sub{margin-left:10px; opacity:.92}
.content{
  padding: 18px 18px 22px;
  line-height: 1.62;
}
.content h1{margin:0 0 6px; font-size:28px}
.content .meta{color:var(--muted); font-size:13px; margin-bottom:16px}
.content h2{
  margin-top: 28px;
  border-top: 1px solid rgba(215,160,255,.08);
  padding-top: 18px;
}

.content h3{margin-top:18px}
.content ul{padding-left: 18px}
.note{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(215,160,255,.14);
  background: rgba(0,0,0,.18);
  color: rgba(244,240,255,.80);
  font-size: 13px;
}


.topbar{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:14px 18px;
  background: rgba(6,5,10,.94);
  border-bottom: 1px solid rgba(215,160,255,.14);
  box-shadow: 0 10px 40px rgba(0,0,0,.55);
}



body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background: #06050a;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(1200px 700px at 18% 0%, rgba(215,160,255,.10), transparent 70%),
    radial-gradient(900px 600px at 82% 10%, rgba(120,200,255,.06), transparent 72%),
    radial-gradient(800px 520px at 50% 90%, rgba(255,190,230,.05), transparent 70%),
    linear-gradient(180deg, #06050a, #0a0812);
}


.panel{ transform: translateZ(0); }
.toc{ transform: translateZ(0); }
.content{ transform: translateZ(0); }