:root {
  --bg: #000;
  --bg-2: #0a0a0a;
  --bg-3: #121212;
  --line: #1c1c1c;
  --line-2: #2a2a2a;
  --fg: #d2d2d2;
  --fg-hi: #f5f5f5;
  --fg-dim: #8f8f8f;
  --fg-faint: #5c5c5c;
  --mono: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --top: 48px;
}

* { box-sizing: border-box; }

html { scroll-padding-top: calc(var(--top) + 16px); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.65 var(--sans);
  -webkit-text-size-adjust: 100%;
}

::selection { background: #e6e6e6; color: #000; }

a { color: var(--fg-hi); text-decoration: underline; text-decoration-color: var(--fg-faint); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--fg-hi); }

code, kbd, pre, select, input { font-family: var(--mono); }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--top);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.brand {
  font: 600 15px var(--mono);
  color: var(--fg-hi);
  text-decoration: none;
  letter-spacing: .02em;
}
.brand span { color: var(--fg-faint); font-weight: 400; }

.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

select {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line-2);
  border-radius: 3px;
  padding: 4px 8px;
  font-size: 12px;
}
select:focus { outline: 1px solid var(--fg-dim); }

.menu {
  display: none;
  width: 32px;
  height: 32px;
  padding: 8px 6px;
  background: none;
  border: 1px solid var(--line-2);
  border-radius: 3px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}
.menu span { display: block; height: 1px; background: var(--fg); }

.layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) 230px;
  min-height: calc(100vh - var(--top));
}

.side {
  position: sticky;
  top: var(--top);
  height: calc(100vh - var(--top));
  overflow-y: auto;
  border-right: 1px solid var(--line);
  padding: 16px 0 40px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}

.search { position: relative; margin: 0 16px 14px; }
.search input {
  width: 100%;
  background: var(--bg-2);
  color: var(--fg-hi);
  border: 1px solid var(--line-2);
  border-radius: 3px;
  padding: 7px 30px 7px 10px;
  font-size: 13px;
}
.search input::placeholder { color: var(--fg-faint); }
.search input:focus { outline: none; border-color: var(--fg-dim); }
.search input::-webkit-search-cancel-button { display: none; }
.search kbd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--fg-faint);
  border: 1px solid var(--line-2);
  border-radius: 2px;
  padding: 0 5px;
  line-height: 16px;
}

.group { margin: 0 0 18px; }
.group-title {
  padding: 0 16px 4px;
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-faint);
}
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 3px 16px 3px 15px;
  border-left: 1px solid transparent;
  color: var(--fg-dim);
  text-decoration: none;
  font-size: 13.5px;
}
.nav a:hover { color: var(--fg-hi); background: var(--bg-2); }
.nav a.active { color: var(--fg-hi); border-left-color: var(--fg-hi); background: var(--bg-3); }

.results { padding: 0 8px; }
.results .count { padding: 0 8px 8px; font: 11px var(--mono); color: var(--fg-faint); }
.results a {
  display: block;
  padding: 7px 8px;
  border-radius: 3px;
  text-decoration: none;
  color: var(--fg);
}
.results a:hover, .results a.sel { background: var(--bg-3); }
.results .r-title { font-size: 13px; color: var(--fg-hi); }
.results .r-title span { color: var(--fg-faint); }
.results .r-snip { font-size: 12px; color: var(--fg-dim); line-height: 1.5; margin-top: 2px; word-break: break-word; }

mark { background: #e8e8e8; color: #000; border-radius: 1px; padding: 0 1px; }

.main { min-width: 0; padding: 36px 56px 0; }
.doc { max-width: 880px; }

.doc-head { margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.doc-head h1 {
  margin: 4px 0 0;
  font: 600 28px/1.25 var(--sans);
  color: var(--fg-hi);
  letter-spacing: -.01em;
}

.doc h2, .doc h3, .doc h4 { position: relative; color: var(--fg-hi); line-height: 1.3; }
.doc h2 { font-size: 20px; margin: 44px 0 12px; padding-top: 4px; }
.doc h3 { font-size: 16px; margin: 30px 0 10px; }
.doc h4 { font-size: 14px; margin: 24px 0 8px; color: var(--fg); }
.doc h2:first-child { margin-top: 0; }
.anchor {
  position: absolute;
  left: -22px;
  width: 22px;
  color: var(--fg-faint);
  text-decoration: none;
  font-weight: 400;
  opacity: 0;
}
.doc h2:hover .anchor, .doc h3:hover .anchor { opacity: 1; }

.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 14px; padding-left: 22px; }
.doc li { margin: 3px 0; }
.doc li > ul, .doc li > ol { margin: 4px 0 6px; }
.doc strong { color: var(--fg-hi); font-weight: 600; }
.doc em { color: var(--fg-hi); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

.doc :not(pre) > code {
  font-size: .86em;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--fg-hi);
  word-break: break-word;
}

.code {
  margin: 0 0 16px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  background: var(--bg-2);
  overflow: hidden;
}
.code-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 6px 0 12px;
  height: 28px;
  border-bottom: 1px solid var(--line);
  font: 11px var(--mono);
  color: var(--fg-faint);
}
.copy {
  background: none;
  border: 1px solid transparent;
  color: var(--fg-dim);
  font: 11px var(--mono);
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
}
.copy:hover { color: var(--fg-hi); border-color: var(--line-2); }
.copy.done { color: var(--fg-hi); }
.code pre {
  margin: 0;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  color: #e4e4e4;
  tab-size: 4;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}
.code .c { color: #6e6e6e; }
.code .s { color: #b4b4b4; }

.table { overflow-x: auto; margin: 0 0 16px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 7px 12px; border: 1px solid var(--line-2); }
.doc th { background: var(--bg-3); color: var(--fg-hi); font-weight: 600; font-size: 13px; }

.callout {
  margin: 0 0 16px;
  padding: 10px 14px 2px;
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--fg-dim);
  background: var(--bg-2);
  font-size: 14px;
}
.callout.warning { border-left-color: var(--fg-hi); }
.callout.check { border-left-style: dashed; }
.callout-label {
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-dim);
  margin-bottom: 4px;
}
.callout p { margin-bottom: 8px; }
.callout ul { margin-bottom: 8px; }

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.pager a {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  text-decoration: none;
  color: var(--fg-hi);
  font-size: 14px;
}
.pager a:hover { border-color: var(--fg-dim); }
.pager small { display: block; font: 11px var(--mono); color: var(--fg-faint); }
.pager .next { text-align: right; grid-column: 2; }

.foot {
  display: flex;
  justify-content: space-between;
  max-width: 880px;
  margin-top: 40px;
  padding: 16px 0 28px;
  border-top: 1px solid var(--line);
  font: 11px var(--mono);
  color: var(--fg-faint);
}

.toc {
  position: sticky;
  top: var(--top);
  height: calc(100vh - var(--top));
  overflow-y: auto;
  padding: 36px 20px 40px 0;
  font-size: 12.5px;
}
.toc-title {
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-faint);
  margin-bottom: 8px;
}
.toc a {
  display: block;
  padding: 3px 0 3px 10px;
  border-left: 1px solid var(--line-2);
  color: var(--fg-dim);
  text-decoration: none;
  line-height: 1.4;
}
.toc a:hover { color: var(--fg-hi); }
.toc a.active { color: var(--fg-hi); border-left-color: var(--fg-hi); }

.empty { color: var(--fg-dim); font: 13px var(--mono); }

@media (max-width: 1240px) {
  .layout { grid-template-columns: 270px minmax(0, 1fr); }
  .toc { display: none; }
  .main { padding: 32px 40px 0; }
}

@media (max-width: 860px) {
  .menu { display: flex; }
  .top { padding: 0 16px; }
  .layout { display: block; }
  .side {
    position: fixed;
    top: var(--top);
    left: 0;
    bottom: 0;
    z-index: 15;
    width: min(320px, 86vw);
    height: auto;
    background: var(--bg);
    transform: translateX(-100%);
    transition: transform .15s ease-out;
  }
  body.nav-open .side { transform: none; box-shadow: 0 0 0 100vmax rgba(0, 0, 0, .6); }
  .main { padding: 24px 16px 0; }
  .doc-head h1 { font-size: 23px; }
  .anchor { display: none; }
  .code pre { font-size: 12.5px; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
}