:root {
  --brand: #3451b2;
  --bg: #ffffff;
  --bg-alt: #f6f6f7;
  --bg-soft: #f9f9f9;
  --border: #e2e2e3;
  --divider: #ebebef;
  --text-1: #3c3c43;
  --text-2: #67676c;
  --text-3: #929295;
  --code-bg: #292b30;
  --code-text: #d5d5d8;
  --tip-bg: rgba(52, 81, 178, 0.08);
  --tip-border: rgba(52, 81, 178, 0.35);
  --warning: #915930;
  --warning-bg: rgba(234, 179, 8, 0.12);
  --warning-border: rgba(234, 179, 8, 0.4);
  --danger: #b8272c;
  --danger-bg: rgba(244, 63, 94, 0.1);
  --danger-border: rgba(244, 63, 94, 0.35);
  --nav-h: 56px;
  --content-w: 720px;
  --radius: 8px;
  --font-size: 16px;
  --code-size: 13.5px;
  --accent-ring: rgba(52, 81, 178, 0.25);
  --sidebar-w: 272px;
  --aside-w: 224px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

html[data-theme="dark"] {
  --brand: #a8b1ff;
  --bg: #1b1b1f;
  --bg-alt: #202127;
  --bg-soft: #202127;
  --border: #3c3f44;
  --divider: #2e2e32;
  --text-1: #dfdfd6;
  --text-2: #98989f;
  --text-3: #7a7a80;
  --code-bg: #161618;
  --code-text: #c9c9cd;
  --tip-bg: rgba(168, 177, 255, 0.1);
  --tip-border: rgba(168, 177, 255, 0.3);
  --warning: #d5b072;
  --danger: #f66f81;
  --accent-ring: rgba(168, 177, 255, 0.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--font-size);
  line-height: 1.7;
  color: var(--text-1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 90; background: var(--bg); padding: 8px 12px; border: 1px solid var(--border); }

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--divider);
}

.brand { display: flex; align-items: center; gap: 8px; color: var(--text-1); font-weight: 600; font-size: 16px; }
.brand:hover { text-decoration: none; }
.version {
  padding: 1px 7px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
}

.navlinks { display: flex; gap: 20px; margin-left: 24px; }
.navlinks a { font-size: 14px; font-weight: 500; color: var(--text-1); }
.navlinks a:hover { color: var(--brand); text-decoration: none; }

.nav-end { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* pinned to the middle of the bar itself, so a wide brand on the left can't push it off centre */
.search-slot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 560px;
  padding: 0 16px;
  display: flex;
  justify-content: center;
}

.search-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 36px;
  padding: 0 12px;
  background: var(--bg-alt);
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text-2);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}
.search-trigger:hover { border-color: var(--brand); color: var(--text-1); }
.search-trigger span { flex: 1; text-align: left; }
.search-trigger kbd { margin-left: auto; }

kbd {
  font-family: var(--font);
  font-size: 11px;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-3);
  background: var(--bg);
}

.iconbtn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}
.iconbtn:hover { background: var(--bg-alt); color: var(--text-1); }
.menubtn { display: none; margin-left: -6px; }
.ic-sun { display: none; }
html[data-theme="dark"] .ic-sun { display: block; }
html[data-theme="dark"] .ic-moon { display: none; }

.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
}

.sidebar {
  position: fixed;
  top: var(--nav-h);
  bottom: 0;
  width: var(--sidebar-w);
  overflow-y: auto;
  padding: 20px 24px 96px 24px;
  border-right: 1px solid var(--divider);
}

.navgroup { padding: 10px 0; }
.navgroup + .navgroup { border-top: 1px solid var(--divider); }
.navgroup h4 { margin: 0 0 4px; font-size: 14px; font-weight: 700; color: var(--text-1); }
.navlink { display: block; padding: 4px 0; font-size: 14px; color: var(--text-2); }
.navlink:hover { color: var(--text-1); text-decoration: none; }
.navlink.active { color: var(--brand); font-weight: 500; }

.navtoggle {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 4px 0;
  border: 0;
  background: none;
  color: var(--text-1);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}
.navtoggle:hover { color: var(--brand); }
.navrow { display: flex; align-items: center; gap: 4px; }
.navrow .navlink { flex: 1; }
.navtoggle.caretonly { width: auto; padding: 4px 0; }
.navtoggle svg { flex: none; color: var(--text-3); transform: rotate(90deg); transition: transform 0.15s; }
.navsection.closed .navtoggle svg { transform: none; }
.navchildren { padding-left: 10px; margin-left: 5px; border-left: 1px solid var(--divider); }
.navsection.closed .navchildren { display: none; }

.main {
  grid-column: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-w);
  gap: 48px;
  padding: 32px 32px 0;
}

.content { min-width: 0; max-width: var(--content-w); padding-bottom: 64px; }

.aside {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  align-self: start;
  max-height: calc(100vh - var(--nav-h) - 64px);
  overflow-y: auto;
  font-size: 13px;
}
.aside-title { font-size: 13px; font-weight: 700; color: var(--text-1); margin: 0 0 8px; }
.aside a { display: block; padding: 4px 0; color: var(--text-2); line-height: 1.5; }
.aside a:hover { color: var(--text-1); text-decoration: none; }
.aside a.active { color: var(--brand); }
.aside a.lvl3 { padding-left: 14px; }

.doc h1 { font-size: 32px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; margin: 0 0 20px; }
.doc h2 {
  margin: 48px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--divider);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
  scroll-margin-top: 72px;
}
.doc h3 { margin: 32px 0 0; font-size: 18px; font-weight: 600; scroll-margin-top: 72px; }
.doc p { margin: 16px 0; }
.doc img { max-width: 100%; height: auto; border-radius: var(--radius); }
.doc ul, .doc ol { margin: 16px 0; padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc strong { font-weight: 600; }
.doc hr { border: 0; border-top: 1px solid var(--divider); margin: 32px 0; }
.doc blockquote { margin: 16px 0; padding-left: 16px; border-left: 2px solid var(--border); color: var(--text-2); }

.doc :not(pre) > code {
  font-family: var(--mono);
  font-size: 0.875em;
  padding: 3px 6px;
  border-radius: 4px;
  background: var(--bg-alt);
  color: var(--text-1);
}
.doc a > code { color: var(--brand); }

.codeblock { position: relative; margin: 16px 0; }
.codeblock .lang {
  position: absolute;
  top: 4px;
  right: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: #6b6b73;
  transition: opacity 0.2s;
}
.codeblock:hover .lang { opacity: 0; }
.doc pre { margin: 0; padding: 18px 20px; overflow-x: auto; background: var(--code-bg); border-radius: var(--radius); }
.doc pre code {
  display: block;
  font-family: var(--mono);
  font-size: var(--code-size);
  line-height: 1.7;
  color: var(--code-text);
  background: none;
  padding: 0;
}
.copybtn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid #3f4046;
  border-radius: 6px;
  background: var(--code-bg);
  color: #9a9aa2;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.codeblock:hover .copybtn, .copybtn:focus { opacity: 1; }
.copybtn:hover { color: #fff; }
.copybtn.done { color: #4ac26b; border-color: #4ac26b; opacity: 1; }

.tok-key { color: #9db4ff; }
.tok-str { color: #a3d78a; }
.tok-num { color: #e8b075; }
.tok-cmt { color: #7c7f8a; }
.tok-arg { color: #e6c07b; }
.tok-cmd { color: #f0f0f2; font-weight: 600; }

.custom-block {
  margin: 16px 0;
  padding: 16px 16px 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
}
.custom-block p { margin: 8px 0; }
.custom-block-title { font-weight: 600; margin: 0 0 8px; }
.custom-block.tip { background: var(--tip-bg); border-color: var(--tip-border); }
.custom-block.tip .custom-block-title { color: var(--brand); }
.custom-block.warning { background: var(--warning-bg); border-color: var(--warning-border); }
.custom-block.warning .custom-block-title { color: var(--warning); }
.custom-block.danger { background: var(--danger-bg); border-color: var(--danger-border); }
.custom-block.danger .custom-block-title { color: var(--danger); }

.table-wrap { overflow-x: auto; margin: 16px 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; }
.doc th, .doc td { border: 1px solid var(--border); padding: 8px 14px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-soft); font-weight: 600; white-space: nowrap; }
.doc tbody tr:nth-child(2n) td { background: var(--bg-soft); }

.pager { display: flex; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--divider); }
.pager a { flex: 1; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; font-weight: 500; }
.pager a:hover { border-color: var(--brand); text-decoration: none; }
.pager a span { display: block; font-size: 12px; font-weight: 400; color: var(--text-2); margin-bottom: 2px; }
.pager a.next { text-align: right; }
.pager .spacer { flex: 1; }

.pagefoot { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--divider); font-size: 13px; color: var(--text-2); }

.searchwrap { position: fixed; inset: 0; z-index: 80; background: rgba(0, 0, 0, 0.5); padding: 10vh 16px 16px; }
.searchbox {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.searchfield { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--divider); color: var(--text-3); }
.searchfield input { flex: 1; border: 0; outline: none; background: none; font-family: inherit; font-size: 15px; color: var(--text-1); }
.searchresults { max-height: 60vh; overflow-y: auto; padding: 8px; }
.searchhint { margin: 0; padding: 12px; font-size: 13px; color: var(--text-2); }
.sresult { display: block; padding: 8px 12px; border-radius: 6px; color: var(--text-1); }
.sresult:hover, .sresult.sel { background: var(--bg-alt); text-decoration: none; }
.sresult strong { display: block; font-size: 14px; font-weight: 600; }
.sresult span { font-size: 12.5px; color: var(--text-2); }
.sresult mark { background: none; color: var(--brand); font-weight: 600; }

.scrim { display: none; }

@media (max-width: 1200px) {
  .main { grid-template-columns: minmax(0, 1fr); }
  .aside { display: none; }
}

@media (max-width: 960px) {
  .topbar { padding: 0 16px; }
  .navlinks { display: none; }
  .menubtn { display: grid; }
  .search-slot { position: static; transform: none; flex: 1; max-width: none; padding: 0 8px; }
  .search-trigger kbd { display: none; }
  .shell { grid-template-columns: minmax(0, 1fr); }
  .main { grid-column: 1; padding: 24px 20px 0; }
  .sidebar {
    z-index: 40;
    width: 280px;
    background: var(--bg);
    transform: translateX(-102%);
    transition: transform 0.22s ease;
  }
  .sidebar.open { transform: none; }
  .scrim.show { display: block; position: fixed; inset: var(--nav-h) 0 0; z-index: 35; background: rgba(0, 0, 0, 0.4); }
  .doc h1 { font-size: 27px; }
  .doc h2 { font-size: 21px; margin-top: 40px; }
  .pager { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

.brand img { height: 22px; width: auto; display: block; }