:root{
  --bg:#0c0c0f;
  --panel:#121218;
  --panel2:#0f0f14;
  --text:#f2f2f7;
  --muted:rgba(242,242,247,.72);
  --faint:rgba(242,242,247,.50);
  --border:rgba(255,255,255,.08);
  --border2:rgba(255,255,255,.14);
  --accent:#a855f7;
  --accent2:#ec4899;
  --good:#22c55e;
  --warn:#f59e0b;
  --bad:#ef4444;
  --radius:14px;
  --shadow:0 24px 70px rgba(0,0,0,.58);
  --shadow2:0 14px 40px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  --topbar-h:58px;
  --sidebar-w:300px;
  --toc-w:270px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 26% -20%,rgba(168,85,247,.18),transparent 62%),
    radial-gradient(980px 560px at 98% 4%,rgba(236,72,153,.12),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{color:inherit;text-decoration:none}
button,input{font-family:inherit}

.gb-topbar{
  position:sticky;
  top:0;
  z-index:50;
  height:var(--topbar-h);
  background:rgba(12,12,15,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}

.gb-topbarInner{
  height:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 16px;
}

.gb-iconBtn{
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:background 140ms ease,border-color 140ms ease,transform 80ms ease;
}
.gb-iconBtn:hover{border-color:var(--border2);background:rgba(255,255,255,.06)}
.gb-iconBtn:active{transform:translateY(1px)}

.gb-brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}

.gb-logo img{
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(168,85,247,.96),rgba(236,72,153,.92));
  display:grid;
  place-items:center;
  font-weight:900;
  letter-spacing:.02em;
  box-shadow:0 16px 40px rgba(168,85,247,.14);
}

.gb-brandText{
  display:flex;
  flex-direction:column;
  line-height:1.1;
  min-width:0;
}
.gb-brandTitle{
  font-weight:820;
  font-size:15px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.gb-brandSub{
  font-size:12px;
  color:var(--muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.gb-topLinks{margin-left:auto;display:flex;gap:16px;align-items:center}
.gb-topLinks a{color:var(--muted);font-size:13px}
.gb-topLinks a:hover{color:var(--text)}

.gb-searchBtn{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  cursor:pointer;
  transition:background 140ms ease,border-color 140ms ease,color 140ms ease;
}
.gb-searchBtn:hover{border-color:var(--border2);color:var(--text);background:rgba(255,255,255,.06)}
.gb-searchBtn kbd{
  font-family:var(--mono);
  font-size:12px;
  padding:2px 6px;
  border-radius:8px;
  border:1px solid var(--border);
  color:var(--muted);
  background:rgba(255,255,255,.03);
}

.gb-shell{
  display:grid;
  grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--toc-w);
  min-height:calc(100vh - var(--topbar-h));
}

.gb-sidebar{
  border-right:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 42%),var(--panel2);
}

.gb-sidebarInner{
  position:sticky;
  top:var(--topbar-h);
  height:calc(100vh - var(--topbar-h));
  overflow:auto;
  padding:16px 14px 20px;
}

.gb-back{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  color:var(--muted);
  border:1px solid transparent;
}
.gb-back:hover{border-color:var(--border);background:rgba(255,255,255,.03);color:var(--text)}

.gb-navGroup{margin-top:14px}
.gb-navGroupHeader{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  color:var(--muted);
  font-weight:780;
  text-transform:uppercase;
  letter-spacing:.10em;
  font-size:12px;
}
.gb-navGroupHeader svg{opacity:.85}

.gb-navList{display:flex;flex-direction:column;gap:2px;padding:6px 4px 0}
.gb-navItem{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  color:rgba(242,242,247,.90);
  opacity:.86;
  border:1px solid transparent;
  transition:background 140ms ease,border-color 140ms ease,opacity 140ms ease;
}
.gb-navItem:hover{opacity:1;background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.06)}
.gb-navItem[aria-current="page"]{
  opacity:1;
  background:rgba(168,85,247,.11);
  border-color:rgba(168,85,247,.34);
}
.gb-navItem[aria-current="page"] .gb-navDot{background:var(--accent)}
.gb-navDot{width:6px;height:6px;border-radius:999px;background:rgba(255,255,255,.22)}

.gb-powered{
  margin-top:18px;
  padding:12px 10px;
  color:var(--faint);
  font-size:12px;
  border-top:1px solid var(--border);
}

.gb-main{padding:22px 22px 90px}
.gb-article{max-width:880px;margin:0 auto}

.gb-articleTop{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  margin-bottom:18px;
}

.gb-breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(168,85,247,.92);
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:12px;
}

.gb-actions{display:flex;align-items:center;gap:10px;position:relative}

.gb-actionBtn{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:rgba(242,242,247,.92);
  cursor:pointer;
  transition:background 140ms ease,border-color 140ms ease,transform 80ms ease;
}
.gb-actionBtn:hover{border-color:var(--border2);background:rgba(255,255,255,.06)}
.gb-actionBtn:active{transform:translateY(1px)}

.gb-copyGroup{
  display:flex;
  align-items:stretch;
  gap:0;
  position:relative;
}
.gb-copyGroup .gb-actionBtn{border-radius:14px}
.gb-copyPrimary{
  border-top-right-radius:0;
  border-bottom-right-radius:0;
  border-right-color:rgba(255,255,255,.06);
  padding-right:14px;
}
.gb-copyToggle{
  width:44px;
  justify-content:center;
  border-top-left-radius:0;
  border-bottom-left-radius:0;
  padding:10px 10px;
}

.gb-menu{
  position:absolute;
  right:0;
  top:calc(100% + 10px);
  min-width:240px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(12,12,15,.88);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow2);
  padding:8px;
  display:none;
  z-index:60;
}
.gb-copyGroup.is-open .gb-menu{display:block}

.gb-menuItem{
  width:100%;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid transparent;
  background:transparent;
  color:rgba(242,242,247,.92);
  cursor:pointer;
  font-size:13px;
}
.gb-menuItem:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.10)}
.gb-menuItem span{flex:1;text-align:left}

.gb-article h1{
  font-size:44px;
  line-height:1.1;
  margin:0 0 16px;
  letter-spacing:-.02em;
}

.gb-article p{
  font-size:18px;
  line-height:1.85;
  color:rgba(242,242,247,.88);
  margin:0 0 16px;
}

.gb-article .lead{
  font-size:20px;
  line-height:1.85;
  color:rgba(242,242,247,.86);
}

.gb-article h2{
  font-size:28px;
  line-height:1.25;
  margin:34px 0 12px;
  letter-spacing:-.01em;
}

.gb-article h3{
  font-size:20px;
  margin:22px 0 10px;
}

.gb-article ul,.gb-article ol{padding-left:22px;margin:0 0 18px}
.gb-article li{margin:8px 0;font-size:18px;line-height:1.85;color:rgba(242,242,247,.86)}

.gb-article hr{
  border:0;
  height:1px;
  background:var(--border);
  margin:30px 0;
}

.gb-inlineCode{
  font-family:var(--mono);
  font-size:.95em;
  padding:.18em .45em;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:rgba(242,242,247,.92);
}

.gb-code{
  position:relative;
  border-radius:16px;
  border:1px solid var(--border);
  background:#0a0a0e;
  overflow:hidden;
  margin:16px 0 20px;
  box-shadow:0 16px 50px rgba(0,0,0,.25);
}
.gb-codeHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,.06);
  color:var(--muted);
  font-size:12px;
}
.gb-copyBtn{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.03);
  color:rgba(242,242,247,.92);
  cursor:pointer;
}
.gb-copyBtn:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
.gb-code pre{
  margin:0;
  padding:14px 14px 16px;
  overflow:auto;
  font-family:var(--mono);
  font-size:13px;
  line-height:1.7;
  color:rgba(242,242,247,.90);
}

.gb-callout{
  display:flex;
  gap:12px;
  padding:14px 14px;
  border-radius:16px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  margin:16px 0 18px;
}
.gb-calloutIcon{
  width:34px;
  height:34px;
  border-radius:14px;
  display:grid;
  place-items:center;
  flex:0 0 auto;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
}
.gb-calloutTitle{font-weight:850;margin:0 0 4px}
.gb-callout p{margin:0;color:rgba(242,242,247,.84);font-size:16.5px;line-height:1.75}

.gb-callout[data-variant="info"]{background:rgba(59,130,246,.10);border-color:rgba(59,130,246,.26)}
.gb-callout[data-variant="info"] .gb-calloutIcon{border-color:rgba(59,130,246,.35);background:rgba(59,130,246,.10)}

.gb-callout[data-variant="warn"]{background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.28)}
.gb-callout[data-variant="warn"] .gb-calloutIcon{border-color:rgba(245,158,11,.40);background:rgba(245,158,11,.10)}

.gb-callout[data-variant="danger"]{background:rgba(239,68,68,.10);border-color:rgba(239,68,68,.30)}
.gb-callout[data-variant="danger"] .gb-calloutIcon{border-color:rgba(239,68,68,.45);background:rgba(239,68,68,.10)}

.gb-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  margin:16px 0 22px;
  background:rgba(255,255,255,.02);
}
.gb-table th,.gb-table td{
  padding:12px 12px;
  border-bottom:1px solid rgba(255,255,255,.06);
  font-size:15px;
  color:rgba(242,242,247,.84);
  text-align:left;
  vertical-align:top;
}
.gb-table th{color:rgba(242,242,247,.92);font-weight:850;background:rgba(255,255,255,.03)}
.gb-table tr:last-child td{border-bottom:0}

.gb-prevNext{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:30px;
}
.gb-navCard{
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  border-radius:18px;
  padding:14px 14px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:background 140ms ease,border-color 140ms ease;
}
.gb-navCard:hover{border-color:rgba(255,255,255,.14);background:rgba(255,255,255,.03)}
.gb-navCardLabel{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.10em}
.gb-navCardTitle{font-weight:880;font-size:16px;color:rgba(242,242,247,.92);line-height:1.2}

.gb-toc{
  border-left:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 42%),var(--panel2);
}
.gb-tocInner{
  position:sticky;
  top:var(--topbar-h);
  height:calc(100vh - var(--topbar-h));
  overflow:auto;
  padding:16px 14px 20px;
}
.gb-tocTitle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:var(--muted);
  font-weight:800;
  font-size:13px;
  margin:4px 6px 8px;
}

.gb-tocList{display:flex;flex-direction:column;gap:2px;padding:6px 4px 0}
.gb-tocLink{
  display:block;
  padding:8px 10px;
  border-radius:12px;
  color:var(--muted);
  font-size:13px;
  border:1px solid transparent;
}
.gb-tocLink:hover{color:rgba(242,242,247,.92);background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.06)}
.gb-tocLink.is-active{color:rgba(168,85,247,.96);background:rgba(168,85,247,.10);border-color:rgba(168,85,247,.30)}
.gb-tocLink[data-level="3"]{padding-left:22px}

.gb-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  backdrop-filter:blur(2px);
  opacity:0;
  pointer-events:none;
  transition:opacity 160ms ease;
  z-index:80;
}

body.is-navOpen .gb-overlay,
body.is-searchOpen .gb-overlay{opacity:1;pointer-events:auto}

body.is-navOpen .gb-sidebar{transform:translateX(0)}

.gb-searchOverlay{
  position:fixed;
  inset:0;
  display:grid;
  place-items:center;
  opacity:0;
  pointer-events:none;
  transition:opacity 160ms ease;
  z-index:90;
}

body.is-searchOpen .gb-searchOverlay{opacity:1;pointer-events:auto}

.gb-searchPanel{
  width:min(720px,calc(100vw - 26px));
  border-radius:18px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(12,12,15,.86);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}

.gb-searchHeader{
  display:flex;
  gap:10px;
  align-items:center;
  padding:14px 14px;
  border-bottom:1px solid rgba(255,255,255,.10);
}

.gb-searchInput{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:rgba(242,242,247,.92);
  outline:none;
  font-size:15px;
}
.gb-searchInput:focus{border-color:rgba(168,85,247,.45);box-shadow:0 0 0 3px rgba(168,85,247,.15)}

.gb-searchResults{max-height:min(420px,50vh);overflow:auto;padding:10px}
.gb-searchItem{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid transparent;
  cursor:pointer;
}
.gb-searchItem:hover{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08)}
.gb-searchItem.is-kb{background:rgba(168,85,247,.10);border-color:rgba(168,85,247,.25)}
.gb-searchItemTitle{font-weight:850}
.gb-searchItemMeta{font-size:12px;color:var(--muted)}
.gb-searchEmpty{padding:14px 12px;color:var(--muted)}

.gb-toast{
  position:fixed;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(12,12,15,.86);
  backdrop-filter:blur(14px);
  color:rgba(242,242,247,.92);
  font-size:13px;
  box-shadow:0 18px 50px rgba(0,0,0,.55);
  opacity:0;
  pointer-events:none;
  transition:opacity 160ms ease;
  z-index:100;
}
.gb-toast.is-show{opacity:1}

.gb-sidebarHeader{display:flex;justify-content:flex-end;align-items:center;margin-bottom:8px}
.gb-sidebarClose{display:none}

.gb-article img{
  max-width:100%;
  height:auto;
  border-radius:16px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
}
.gb-article a.gb-link{
  color:rgba(168,85,247,.96);
  text-decoration:underline;
  text-decoration-color:rgba(168,85,247,.35);
  text-underline-offset:3px;
}
.gb-article a.gb-link:hover{text-decoration-color:rgba(168,85,247,.75)}

.gb-anchor{
  margin-left:10px;
  border:1px solid transparent;
  background:transparent;
  color:rgba(242,242,247,.55);
  cursor:pointer;
  opacity:0;
  transform:translateY(1px);
  padding:4px;
  border-radius:10px;
  transition:opacity 120ms ease,color 120ms ease,background 120ms ease,border-color 120ms ease;
}
.gb-article h1:hover .gb-anchor,
.gb-article h2:hover .gb-anchor,
.gb-article h3:hover .gb-anchor{opacity:1}
.gb-anchor:hover{color:rgba(242,242,247,.90);background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.10)}

@media (max-width:1100px){
  :root{--toc-w:0px}
  .gb-shell{grid-template-columns:var(--sidebar-w) minmax(0,1fr)}
  .gb-toc{display:none}
}

@media (max-width:940px){
  :root{--sidebar-w:300px}
  .gb-shell{grid-template-columns:minmax(0,1fr)}
  .gb-sidebar{
    position:fixed;
    left:0;
    top:var(--topbar-h);
    bottom:0;
    width:var(--sidebar-w);
    transform:translateX(-105%);
    transition:transform 180ms ease;
    z-index:85;
    box-shadow:var(--shadow);
  }
  .gb-sidebarInner{top:0;height:100%}
  .gb-topLinks{display:none}
  .gb-sidebarClose{display:grid}
}

@media (max-width:520px){
  .gb-searchBtn span{display:none}
  .gb-searchBtn{padding:10px 10px}
  .gb-searchBtn kbd{display:none}
  .gb-article h1{font-size:34px}
  .gb-main{padding:18px 16px 70px}
  .gb-prevNext{grid-template-columns:1fr}
}