:root{
  --bg:#0e1116;--panel:#161b22;--panel2:#1c2230;--text:#d7dde6;--muted:#9aa6b2;
  --link:#7cc7ff;--link2:#a6e3a1;--border:#2a313c;--accent:#8b5cf6;--code:#0b0e13;
  --maxw:820px;
}
@media (prefers-color-scheme: light){
  :root{--bg:#fbfbfd;--panel:#f3f4f7;--panel2:#eceef3;--text:#1c2230;--muted:#5b6675;
    --link:#0969da;--link2:#1a7f37;--border:#e1e4ea;--accent:#6d28d9;--code:#f3f4f7;}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.sidebar{width:300px;flex:0 0 300px;background:var(--panel);border-right:1px solid var(--border);
  height:100vh;position:sticky;top:0;overflow-y:auto;padding:18px 14px 60px}
.brand{display:block;font-weight:700;font-size:20px;color:var(--text);letter-spacing:.2px}
.brand small{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-top:2px}
.search{width:100%;margin:14px 0 8px;padding:9px 11px;border-radius:9px;border:1px solid var(--border);
  background:var(--panel2);color:var(--text);font-size:14px}
#results{list-style:none;margin:0 0 6px;padding:0}
#results li{padding:6px 8px;border-radius:7px}
#results li:hover{background:var(--panel2)}
#results a{display:block}
#results .rtxt{display:block;color:var(--muted);font-size:12px;line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
nav.toc{margin-top:6px}
nav.toc .sec{margin:14px 0 4px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--muted);font-weight:700}
nav.toc ul{list-style:none;margin:0 0 6px;padding:0}
nav.toc li{margin:1px 0}
nav.toc a{display:block;padding:4px 8px;border-radius:6px;color:var(--text);font-size:13.5px}
nav.toc a:hover{background:var(--panel2);text-decoration:none}
nav.toc a.active{background:var(--accent);color:#fff}
.main{flex:1;min-width:0;display:flex;justify-content:center;padding:34px 26px 90px}
.content{width:100%;max-width:var(--maxw)}
.crumb{color:var(--muted);font-size:13px;margin-bottom:10px}
.content h1{font-size:30px;line-height:1.2;margin:.2em 0 .5em}
.content h2{font-size:21px;margin-top:1.7em;padding-bottom:.25em;border-bottom:1px solid var(--border)}
.content h3{font-size:17px;margin-top:1.4em}
.content blockquote{margin:1em 0;padding:.6em 1em;border-left:3px solid var(--accent);
  background:var(--panel);border-radius:0 8px 8px 0;color:var(--text)}
.content blockquote em{color:var(--muted)}
.content code{background:var(--code);padding:.12em .4em;border-radius:5px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.content pre{background:var(--code);padding:14px;border-radius:10px;overflow:auto;border:1px solid var(--border)}
.content pre code{background:none;padding:0}
.content table{border-collapse:collapse;width:100%;margin:1em 0;font-size:14.5px;display:block;overflow-x:auto}
.content th,.content td{border:1px solid var(--border);padding:7px 10px;text-align:left;vertical-align:top}
.content th{background:var(--panel2)}
.content hr{border:none;border-top:1px solid var(--border);margin:2em 0}
.backlinks{margin-top:48px;padding-top:16px;border-top:1px solid var(--border)}
.backlinks h2{font-size:14px;border:none;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.backlinks ul{padding-left:18px;margin:.4em 0;color:var(--muted)}
.topbar{display:none}
.menu-toggle{display:none}
@media (max-width:880px){
  .sidebar{position:fixed;z-index:40;transform:translateX(-100%);transition:transform .2s ease;
    box-shadow:0 0 40px rgba(0,0,0,.5)}
  body.nav-open .sidebar{transform:translateX(0)}
  .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:30;
    background:var(--panel);border-bottom:1px solid var(--border);padding:10px 14px}
  .menu-toggle{display:inline-flex;background:var(--panel2);border:1px solid var(--border);
    color:var(--text);border-radius:8px;padding:7px 11px;font-size:16px;cursor:pointer}
  .topbar .t{font-weight:700}
  .main{padding:18px 16px 80px}
  .scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:35}
  body.nav-open .scrim{display:block}
}