:root {
  --bg:#0a0c0f; --panel:#12151a; --line:#232830; --text:#e9eff5; --muted:#8d97a3;
  --accent:#f0a020; --side:16.5rem;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:dark;
}
:root[data-theme="light"] {
  --bg:#f6f7f9; --panel:#fff; --line:#e2e5ea; --text:#12151a; --muted:#5c6570;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.55}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.shell{display:grid;grid-template-columns:var(--side) 1fr;min-height:100vh}
.side{
  position:sticky;top:0;height:100vh;overflow:auto;
  border-right:1px solid var(--line);background:var(--panel);
  padding:1.1rem 1rem 2rem;display:flex;flex-direction:column;gap:.75rem;
}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--text);font-weight:700;text-decoration:none}
.mark{width:14px;height:18px;display:inline-block;position:relative}
.mark:before,.mark:after{content:"";position:absolute;bottom:0;width:5px;border-radius:2px;background:var(--accent)}
.mark:before{left:0;height:12px}
.mark:after{right:0;height:18px}
.search{
  width:100%;border:1px solid var(--line);border-radius:8px;background:var(--bg);
  color:var(--text);padding:.45rem .6rem;font:inherit;font-size:.88rem;
}
.nav-group{margin-top:.85rem}
.nav-label{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .35rem .2rem}
.nav-link{display:block;padding:.32rem .5rem;border-radius:7px;color:var(--muted);font-size:.9rem;text-decoration:none}
.nav-link:hover{background:rgba(240,160,32,.08);color:var(--text);text-decoration:none}
.nav-link.active{background:rgba(240,160,32,.14);color:var(--text);font-weight:600}
.side-cta{
  margin-top:auto;display:block;text-align:center;padding:.55rem .7rem;border-radius:9px;
  background:var(--accent);color:#111;font-weight:600;text-decoration:none;
}
.side-cta:hover{filter:brightness(1.05);text-decoration:none}
.main{min-width:0;padding:0 2rem 3rem}
.top{display:flex;justify-content:flex-end;gap:1rem;align-items:center;padding:1rem 0;border-bottom:1px solid var(--line)}
.top a{color:var(--muted);font-size:.9rem}
.theme{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:8px;padding:.35rem .6rem;cursor:pointer;font:inherit;font-size:.85rem}
.doc{max-width:44rem;padding:1.6rem 0 1rem}
.doc h1{font-size:1.85rem;letter-spacing:-.02em;margin:0 0 .8rem;line-height:1.2}
.doc h2{font-size:1.2rem;margin:1.8rem 0 .6rem}
.doc p,.doc li{color:var(--text);font-size:1.02rem}
.doc p{margin:.7rem 0}
.doc ul,.doc ol{padding-left:1.2rem}
.doc code{font-family:var(--mono);font-size:.88em;background:rgba(127,127,127,.12);padding:.1rem .35rem;border-radius:4px}
.doc pre{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem;overflow:auto}
.doc pre code{background:none;padding:0;font-size:.86rem}
.doc table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
.doc th,.doc td{border:1px solid var(--line);padding:.5rem .65rem;text-align:left}
.doc th{background:var(--panel);color:var(--muted);font-weight:600}
.pager{max-width:44rem;display:flex;justify-content:space-between;gap:1rem;padding:1.2rem 0;border-top:1px solid var(--line)}
.pager a{color:var(--text);font-weight:600}
.foot{max-width:44rem;display:flex;gap:1rem;flex-wrap:wrap;padding-top:1rem;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}
.foot a{color:var(--muted)}
.nav-link.hidden{display:none}
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .main{padding:0 1.1rem 2.5rem}
}