/* Wiki UI: document and hub layouts, navigation and responsive dialogs. */
:root {
  --wiki-bar-h: 58px;
  --wiki-drawer-w: min(360px, 92vw);
}
.wiki-shell { width: 100%; padding-top: calc(var(--header-h) + 12px); padding-bottom: 72px; }
.wiki-shell :focus-visible, .wiki-home :focus-visible {
  outline: 2px solid var(--ds-text-2);
  outline-offset: 3px;
}
.wiki-skip-link { position: fixed; top: 8px; left: 16px; z-index: 300; padding: 12px 18px; background: var(--ds-bg); border: 1px solid var(--ds-text); transform: translateY(-180%); }
.wiki-skip-link:focus { transform: none; }
.wiki-contextbar {
  position: sticky; top: var(--header-visible-h, var(--header-h)); z-index: 90;
  transition: top var(--chrome-duration, 260ms) var(--motion-ease, ease-out);
  min-height: var(--wiki-bar-h); margin-bottom: 24px; padding: 8px 0;
  display: flex; align-items: center; gap: 16px;
  border-bottom: 1px solid var(--ds-line);
  background: color-mix(in srgb, var(--ds-bg) 96%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.wiki-contextbar__brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ds-text); flex: 0 0 auto; }
.wiki-contextbar__badge {
  display: inline-flex; align-items: center; height: 28px; padding: 0 10px;
  border-radius: var(--r-pill); background: var(--ds-text); color: var(--ds-bg-card);
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .08em;
}
.wiki-contextbar__name { font-size: 13px; color: var(--ds-text-2); white-space: nowrap; }
.wiki-quick-search {
  min-width: 0; width: 360px; margin-left: auto; height: 40px;
  display: flex; align-items: center; border: 1px solid var(--ds-line);
  border-radius: var(--r-sm); background: var(--ds-bg-card);
}
.wiki-quick-search:focus-within { border-color: var(--ds-text-2); box-shadow: var(--sh-focus); }
.wiki-quick-search__icon { flex: 0 0 auto; margin-left: 12px; color: var(--ds-text-3); }
.wiki-quick-search input[type="search"] { min-width: 0; width: 100%; flex: 1 1 auto; height: 100%; padding: 0 10px; border: 0; background: transparent; font-size: 14px; }
.wiki-quick-search input[type="search"]:focus { outline: none; box-shadow: none; }
.wiki-quick-search input::placeholder { color: var(--ds-text-3); }
.wiki-quick-search kbd {
  flex: 0 0 auto; min-width: 22px; height: 22px; margin-right: 8px; display: grid; place-items: center;
  border: 1px solid var(--ds-line); border-radius: 6px; background: var(--ds-bg-subtle);
  font-family: var(--font-mono); font-size: 11px; color: var(--ds-text-3);
}
.wiki-mobile-toolbar { display: none; flex: 0 0 auto; align-items: center; gap: 6px; }
.wiki-mobile-toolbar__button {
  min-height: 40px; padding: 0 10px; display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--ds-line); border-radius: var(--r-xs); background: var(--ds-bg);
  color: var(--ds-text-2); font-size: 13px; font-weight: 600; white-space: nowrap;
}
.wiki-mobile-toolbar__button:hover { background: var(--ds-bg-subtle); }
.wiki-layout {
  display: grid; grid-template-columns: 252px minmax(0, 760px) 210px;
  grid-template-areas: "scope doc toc"; justify-content: center; gap: 36px; align-items: start;
}
.wiki-layout--no-toc { grid-template-columns: 252px minmax(0, 1fr); grid-template-areas: "scope doc"; }
.wiki-layout > .wiki-scope { grid-area: scope; min-width: 0; }
.wiki-layout > .wiki-doc { grid-area: doc; min-width: 0; width: 100%; }
.wiki-layout > .wiki-toc { grid-area: toc; min-width: 0; }
.wiki-scope, .wiki-toc {
  position: sticky; top: calc(var(--header-visible-h, var(--header-h)) + var(--wiki-bar-h) + 20px);
  max-height: calc(100vh - var(--header-visible-h, var(--header-h)) - var(--wiki-bar-h) - 36px);
  max-height: calc(100dvh - var(--header-visible-h, var(--header-h)) - var(--wiki-bar-h) - 36px);
  transition: top var(--chrome-duration, 260ms) var(--motion-ease, ease-out), max-height var(--chrome-duration, 260ms) var(--motion-ease, ease-out);
  overflow: auto; overscroll-behavior: contain;
  scrollbar-width: thin; scrollbar-color: var(--ds-line-strong) transparent;
}
.wiki-scope { padding: 0 6px 20px 0; }
.wiki-scope__header { position: sticky; top: 0; z-index: 3; padding: 0 0 12px; margin-bottom: 8px; background: var(--ds-bg); border-bottom: 1px solid var(--ds-line); }
.wiki-scope__back { min-height: 42px; display: flex; align-items: center; gap: 8px; padding: 8px 10px; font-size: 13px; font-weight: 600; border-radius: var(--r-xs); color: var(--ds-text-2); }
.wiki-scope__back:hover { background: var(--ds-bg-subtle); color: var(--ds-text); }
.wiki-scope__breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 0; padding: 8px 10px 0; }
.wiki-scope__breadcrumb a { color: var(--ds-text-2); font-size: 12px; overflow-wrap: anywhere; }
.wiki-scope__breadcrumb a + a::before { content: "›"; padding: 0 6px; color: var(--ds-text-3); }
.wiki-tree-nav { display: flex; flex-direction: column; gap: 2px; }
.wiki-tree, .wiki-tree__node { list-style: none; }
.wiki-tree__row { position: relative; display: flex; align-items: flex-start; min-height: 34px; gap: 3px; border-radius: var(--r-xs); }
.wiki-tree__row:hover { background: var(--ds-bg-subtle); }
.wiki-tree__toggle { flex: 0 0 auto; width: 28px; height: 32px; padding: 0; border: 0; border-radius: 7px; background: transparent; color: var(--ds-text-3); font-size: 11px; display: grid; place-items: center; }
.wiki-tree__toggle:hover { background: var(--ds-line-soft); color: var(--ds-text); }
.wiki-tree__dot { flex: 0 0 auto; width: 28px; height: 1px; }
.wiki-tree__link {
  flex: 1 1 auto; min-width: 0; padding: 7px 8px 7px 2px; border-radius: 7px;
  color: var(--ds-text-2); font-size: 13px; line-height: 1.45; text-decoration: none;
  white-space: normal; overflow-wrap: anywhere; display: -webkit-box; -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; overflow: hidden;
}
.wiki-tree__link:focus-visible { -webkit-line-clamp: unset; }
.wiki-tree__node.is-active > .wiki-tree__row { background: var(--ds-brand-bg); }
.wiki-tree__node.is-active > .wiki-tree__row::before { content: ""; position: absolute; left: 0; top: 7px; bottom: 7px; width: 3px; border-radius: 3px; background: var(--ds-brand); }
.wiki-tree__node.is-active > .wiki-tree__row .wiki-tree__link { color: var(--ds-text); font-weight: 700; }
.wiki-tree.is-collapsed { display: none; }
.wiki-layout .wiki-doc { max-width: 760px; margin: 0; }
.wiki-layout .wiki-doc--hub { max-width: none; }
.wiki-doc { color: var(--ds-text); scroll-margin-top: calc(var(--header-visible-h, var(--header-h)) + var(--wiki-bar-h) + 24px); }
.wiki-doc__breadcrumb { display: flex; flex-wrap: wrap; gap: 4px 0; align-items: center; min-height: 28px; margin: 0 0 8px; color: var(--ds-text-2); font-size: 12px; }
.wiki-doc__breadcrumb a { color: inherit; text-decoration: none; }
.wiki-doc__breadcrumb a:hover { text-decoration: underline; }
.wiki-doc__breadcrumb > :not(:first-child)::before { content: "›"; padding: 0 7px; color: var(--ds-text-3); }
.wiki-doc__current { color: var(--ds-text-3); overflow-wrap: anywhere; }
.wiki-doc .wiki-doc__title { margin: 0 0 28px; padding: 0 0 18px; border-bottom: 1px solid var(--ds-line); font-size: clamp(32px, 3.2vw, 40px); line-height: 1.2; letter-spacing: -.025em; overflow-wrap: anywhere; }
.wiki-doc__body { max-width: 760px; font-size: 16.5px; line-height: 1.78; overflow-wrap: anywhere; }
.wiki-doc__body > :first-child { margin-top: 0; }
.wiki-doc h2 { margin: 48px 0 16px; font-size: 27px; line-height: 1.3; }
.wiki-doc h3 { margin: 34px 0 12px; font-size: 20px; }
.wiki-doc :is(h2, h3, h4) { scroll-margin-top: calc(var(--header-visible-h, var(--header-h)) + var(--wiki-bar-h) + 24px); }
.wiki-doc p { margin: 16px 0 20px; }
.wiki-doc blockquote { margin: 24px 0; padding: 12px 18px; border-left: 3px solid var(--ds-brand); border-radius: 0 var(--r-xs) var(--r-xs) 0; background: var(--ds-brand-bg); }
.wiki-doc table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; scrollbar-width: thin; }
.wiki-code { margin: 26px 0; overflow: hidden; border: 1px solid #222; border-radius: var(--r-sm); background: var(--ds-bg-strong); }
.wiki-code__toolbar { min-height: 36px; padding: 0 9px 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.7); font-family: var(--font-mono); font-size: 11px; }
.wiki-code__copy { min-height: 30px; padding: 0 9px; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; background: rgba(255,255,255,.06); color: #eee; font-family: var(--font-sans); font-size: 12px; }
.wiki-code__copy:hover { background: rgba(255,255,255,.14); }
.wiki-code > pre { margin: 0; border-radius: 0; border: 0; }
.wiki-toc { padding: 7px 0 18px 16px; border-left: 1px solid var(--ds-line); }
.wiki-toc__toggle { width: 100%; min-height: 32px; padding: 4px 7px; display: flex; align-items: center; justify-content: space-between; border: 0; border-radius: 7px; background: transparent; color: var(--ds-text-2); font-size: 12px; font-weight: 700; text-align: left; }
.wiki-toc__toggle:hover { background: var(--ds-bg-subtle); }
.wiki-toc__chevron { color: var(--ds-text-3); font-size: 10px; }
.wiki-toc__nav { display: flex; flex-direction: column; gap: 1px; margin-top: 5px; }
.wiki-toc__nav a { display: block; position: relative; padding: 6px 8px; border-radius: 7px; color: var(--ds-text-2); font-size: 12.5px; line-height: 1.45; text-decoration: none; overflow-wrap: anywhere; }
.wiki-toc__nav a.is-depth-1 { padding-left: 20px; font-size: 12px; }
.wiki-toc__nav a:hover { background: var(--ds-bg-subtle); }
.wiki-toc__nav a.is-active { color: var(--ds-text); font-weight: 650; background: var(--ds-brand-bg); }
.wiki-toc.is-collapsed .wiki-toc__nav { display: none; }
.wiki-hub-intro { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
.wiki-hub-intro__count { display: inline-block; padding: 4px 10px; background: var(--ds-bg-subtle); border-radius: var(--r-pill); color: var(--ds-text-2); font-size: 13px; font-weight: 600; }
.wiki-hub-intro p { margin: 10px 0 0; color: var(--ds-text-2); font-size: 15px; }
.wiki-doc .wiki-start-link { min-height: 42px; padding: 10px 16px; border: 1px solid var(--ds-line-strong); border-radius: var(--r-xs); background: var(--ds-brand-bg); color: var(--ds-text); font-size: 14px; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 18px; }
.wiki-doc .wiki-start-link:hover { background: var(--ds-brand-soft); }
.wiki-hub-documents { margin: 24px 0 0; }
.wiki-hub-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.wiki-doc .wiki-hub-card { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 22px; border: 1px solid var(--ds-line); border-radius: var(--r-sm); color: var(--ds-text); text-decoration: none; background: var(--ds-bg-card); }
.wiki-doc .wiki-hub-card:hover { border-color: var(--ds-brand-deep); background: var(--ds-brand-bg); }
.wiki-hub-card__kind { color: var(--ds-text-2); font-size: 12px; }
.wiki-hub-card strong { font-size: 17px; line-height: 1.5; overflow-wrap: anywhere; }
.wiki-hub-card__open { width: 100%; display: flex; justify-content: space-between; padding-top: 12px; margin-top: auto; color: var(--ds-text-2); font-size: 13px; }
.wiki-empty { padding: 32px; border: 1px dashed var(--ds-line-strong); border-radius: var(--r-sm); background: var(--ds-bg-subtle); }
.wiki-empty h2 { margin: 0 0 12px; font-size: 22px; }
.wiki-empty p { color: var(--ds-text-2); font-size: 15px; }
.wiki-drawer-head, .wiki-drawer-backdrop { display: none; }
body.wiki-drawer-open { overflow: hidden; }

/* Browse home shares the same restrained document navigation language. */
.wiki-home { width: 100%; padding-top: calc(var(--header-h) + 48px); padding-bottom: 64px; }
.wiki-home__heading { max-width: 720px; margin: 0 auto 32px; text-align: center; }
.wiki-home__heading h1 { margin: 0 0 12px; }
.wiki-home__tagline { margin: 0; color: var(--ds-text-2); font-size: clamp(16px, 2vw, 19px); }
.wiki-home__tagline strong { color: var(--ds-brand); font-weight: 700; }
.wiki-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 32px; }
.wiki-tab { padding: 10px 22px; min-height: 44px; border: 1px solid var(--ds-line-strong); border-radius: var(--r-pill); font-size: 14px; font-weight: 600; }
.wiki-tab[aria-selected="true"] { background: var(--ds-text); color: var(--ds-bg-card); border-color: var(--ds-text); }
.wiki-panel[hidden] { display: none; }
.wiki-home__browse-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.wiki-home__browse-head h2 { margin: 0; }
.wiki-home__grid { gap: 16px; }
.wiki-home__card { display: flex; flex-direction: column; gap: 24px; padding: 24px; }
.wiki-home__card h3 { margin: 0; overflow-wrap: anywhere; }
.wiki-home__card-action { display: flex; justify-content: space-between; gap: 12px; margin-top: auto; color: var(--ds-text-2); font-size: 13px; }

@media (max-width: 1240px) {
  .wiki-layout { grid-template-columns: 220px minmax(0, 1fr) 180px; gap: 28px; }
  .wiki-layout--no-toc { grid-template-columns: 220px minmax(0, 1fr); }
}
@media (max-width: 1180px) {
  .wiki-layout { grid-template-columns: 220px minmax(0, 1fr); grid-template-areas: "scope doc"; }
  .wiki-mobile-toolbar { display: flex; }
  .wiki-mobile-toolbar [data-wiki-drawer="scope"] { display: none; }
  .wiki-toc {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 220; width: var(--wiki-drawer-w);
    max-height: none; padding: 0 18px 24px; overflow-y: auto; border: 0;
    background: var(--ds-bg); box-shadow: var(--sh-overlay);
    visibility: hidden; pointer-events: none; transform: translateX(105%);
    transition: transform var(--chrome-duration, 260ms) var(--motion-ease, ease-out), visibility 0s linear var(--chrome-duration, 260ms);
  }
  .wiki-toc.is-mobile-open { transform: none; visibility: visible; pointer-events: auto; transition-delay: 0s; }
  .wiki-toc__toggle { display: none; }
  /* Desktop collapse must never hide the mobile dialog's contents. */
  .wiki-toc.is-collapsed .wiki-toc__nav { display: flex; }
  .wiki-drawer-head { position: sticky; top: 0; z-index: 4; height: 64px; margin: 0 -18px 12px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--ds-line); background: var(--ds-bg); }
  .wiki-scope .wiki-drawer-head { display: none; }
  .wiki-drawer-head strong { font-size: 15px; }
  .wiki-drawer-close { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--ds-line); border-radius: var(--r-xs); background: var(--ds-bg); font-size: 24px; }
  .wiki-drawer-backdrop { display: block; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity var(--chrome-duration, 260ms), visibility 0s linear var(--chrome-duration, 260ms); position: fixed; inset: 0; z-index: 210; width: 100%; height: 100%; border: 0; background: rgba(10,10,10,.3); backdrop-filter: blur(2px); }
  .wiki-drawer-backdrop.is-active { opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
}
@media (max-width: 900px) {
  :root { --wiki-bar-h: 60px; }
  .wiki-shell { padding-top: calc(var(--header-h) + 6px); padding-bottom: 56px; }
  .wiki-contextbar { gap: 8px; margin-bottom: 20px; }
  .wiki-contextbar__name, .wiki-quick-search kbd { display: none; }
  .wiki-quick-search { width: auto; flex: 1 1 auto; height: 44px; }
  .wiki-quick-search input[type="search"] { font-size: 16px; padding: 0 8px; }
  .wiki-quick-search__icon { margin-left: 9px; }
  .wiki-mobile-toolbar__button { min-height: 44px; padding: 0 8px; gap: 4px; }
  .wiki-mobile-toolbar [data-wiki-drawer="scope"] { display: inline-flex; }
  .wiki-layout { display: block; }
  .wiki-scope {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 220; width: var(--wiki-drawer-w);
    max-height: none; padding: 0 14px 24px; margin: 0; border: 0;
    overflow-y: auto; background: var(--ds-bg); box-shadow: var(--sh-overlay);
    visibility: hidden; pointer-events: none; transform: translateX(-105%);
    transition: transform var(--chrome-duration, 260ms) var(--motion-ease, ease-out), visibility 0s linear var(--chrome-duration, 260ms);
  }
  .wiki-scope.is-mobile-open { visibility: visible; pointer-events: auto; transform: none; transition-delay: 0s; }
  .wiki-scope .wiki-drawer-head { display: flex; margin: 0 -14px; padding: 0 14px; }
  .wiki-scope__header { top: 64px; }
  .wiki-scope__back { min-height: 44px; }
  .wiki-tree__row { min-height: 44px; align-items: center; }
  .wiki-tree__toggle { height: 44px; width: 32px; }
  .wiki-tree__link { padding-top: 12px; padding-bottom: 12px; }
  .wiki-layout .wiki-doc { margin: 0 auto; }
  .wiki-doc .wiki-doc__title { font-size: clamp(28px, 7vw, 36px); margin-bottom: 24px; }
  .wiki-doc__body { font-size: 16px; line-height: 1.75; }
  .wiki-doc h2 { font-size: 24px; margin-top: 40px; }
  .wiki-code__copy { min-height: 40px; }
  .wiki-toc__nav a { min-height: 40px; padding-top: 10px; padding-bottom: 10px; }
}
@media (max-width: 640px) {
  .wiki-contextbar__badge { padding: 0 8px; height: 26px; font-size: 10px; }
  .wiki-mobile-toolbar__button svg { display: none; }
  .wiki-doc__breadcrumb { font-size: 11.5px; }
  .wiki-doc h2 { font-size: 22px; }
  .wiki-doc h3 { font-size: 19px; }
  .wiki-hub-grid { grid-template-columns: 1fr; }
  .wiki-hub-card { padding: 18px; }
  .wiki-empty { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .wiki-scope, .wiki-toc { transition: none; }
}