/* @design-system-first Design system first: update shared source and verify the canonical design-system preview before live release. Reuse shared tokens, components and layouts. See docs/design-system/design-system.md. */
@import url("./foundations.css");
@import url("./opal-scene.css");
@import url("./opal-loader.css");
/* Adapt the maintained DocFX modern/Bootstrap theme; no second docs UI runtime. */
@font-face {
  font-family: "Geist Variable";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/ui/assets/geist-latin-wght-normal-BgDaEnEv.woff2") format("woff2");
}

:root,
:root[data-bs-theme="light"],
:root[data-bs-theme="dark"] {
  --bs-font-sans-serif: var(--opal-foundation-font);
  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-bg: var(--opal-foundation-editorial-background);
  --bs-body-bg-rgb: var(--opal-foundation-editorial-background-rgb);
  --bs-body-color: var(--opal-foundation-foreground);
  --bs-body-color-rgb: var(--opal-foundation-foreground-rgb);
  --bs-emphasis-color: var(--opal-foundation-foreground);
  --bs-emphasis-color-rgb: var(--opal-foundation-foreground-rgb);
  --bs-secondary-color: var(--opal-foundation-editorial-muted);
  --bs-secondary-color-rgb: var(--opal-foundation-editorial-muted-rgb);
  --bs-secondary: var(--opal-foundation-editorial-muted);
  --bs-secondary-rgb: var(--opal-foundation-editorial-muted-rgb);
  --bs-tertiary-color: var(--opal-foundation-editorial-muted);
  --bs-tertiary-color-rgb: var(--opal-foundation-editorial-muted-rgb);
  --bs-secondary-bg: var(--opal-foundation-editorial-quiet);
  --bs-tertiary-bg: var(--opal-foundation-editorial-hover);
  --bs-border-color: var(--opal-foundation-editorial-border);
  --bs-border-color-translucent: var(--opal-foundation-editorial-border);
  --bs-link-color: var(--opal-foundation-primary);
  --bs-link-color-rgb: var(--opal-foundation-primary-rgb);
  --bs-link-hover-color: var(--opal-foundation-editorial-link);
  --bs-link-hover-color-rgb: var(--opal-foundation-editorial-link-rgb);
  --bs-code-color: var(--opal-foundation-secondary-foreground);
  --bs-primary: var(--opal-foundation-primary);
  --bs-primary-rgb: var(--opal-foundation-primary-rgb);
  --docs-panel: var(--opal-foundation-editorial-quiet);
  --docs-card: var(--opal-foundation-card);
  --docs-code: var(--opal-foundation-muted);
  --docs-selected: var(--opal-foundation-accent);
  --docs-ring: var(--opal-foundation-ring);
  --docs-opal: var(--opal-foundation-opal);
  --docs-rose: var(--opal-foundation-rose);
  --docs-secondary: var(--opal-foundation-secondary);
  --docs-secondary-ink: var(--opal-foundation-secondary-foreground);
  --bs-success: var(--opal-foundation-success);
  --bs-success-rgb: var(--opal-foundation-success-rgb);
  --bs-warning: var(--opal-foundation-warning);
  --bs-warning-rgb: var(--opal-foundation-warning-rgb);
  --bs-danger: var(--opal-foundation-destructive);
  --bs-danger-rgb: var(--opal-foundation-destructive-rgb);
  --bs-border-radius: 1.0625rem;
  --docs-shadow-ink: var(--opal-foundation-foreground-rgb);
  --docs-gutter: clamp(18px, 3vw, 42px);
  --foreground: var(--opal-foundation-foreground);
  --muted-foreground: var(--opal-foundation-editorial-muted);
  --border: var(--opal-foundation-editorial-border);
  --card: var(--opal-foundation-card);
  color-scheme: light;
}

:root[data-bs-theme="dark"] {
  --bs-link-hover-color: var(--opal-foundation-foreground);
  --bs-link-hover-color-rgb: var(--opal-foundation-foreground-rgb);
  --docs-shadow-ink: var(--opal-foundation-primary-foreground-rgb);
  color-scheme: dark;
}

body {
  font-size: 15px;
  line-height: 1.7;
}

/* The native navbar can wrap at tablet widths; no fixed-height clipping. */
body > header,
body[data-layout] > header {
  position: relative;
  height: auto;
  background: var(--docs-panel) !important;
}

.navbar > .container-xxl {
  max-width: 1360px;
  min-height: 88px;
  padding: 16px var(--docs-gutter);
  gap: 12px 24px;
}

.navbar-brand {
  max-width: 100%;
  min-height: 44px;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.055em;
  white-space: normal;
  overflow-wrap: anywhere;
}

.navbar-brand img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  margin-right: 10px;
}

.navbar #navbar {
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.navbar .navbar-nav {
  flex-wrap: wrap;
  gap: 4px;
}

.navbar .nav-link {
  min-height: 44px;
  padding: 10px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.65;
  white-space: normal;
}

.navbar .nav-link.active,
.navbar .nav-link:hover,
.navbar .nav-link[aria-current="page"] {
  color: var(--bs-link-color);
  background: var(--docs-selected);
}

.navbar #navbar form.search {
  flex: 1 1 170px;
  min-width: 0;
  max-width: 280px;
  margin: 0;
}

.navbar .form-control {
  min-height: 44px;
  border-radius: 12px;
  background: var(--docs-card);
  font-size: 13px;
}

.navbar .btn,
.offcanvas-header .btn-close,
.actionbar > button,
.code-action,
.page-link {
  min-width: 44px;
  min-height: 44px;
}

.navbar .dropdown-menu {
  --bs-dropdown-bg: var(--docs-card);
  --bs-dropdown-color: var(--bs-body-color);
  --bs-dropdown-link-color: var(--bs-body-color);
  --bs-dropdown-link-hover-color: var(--docs-secondary-ink);
  --bs-dropdown-link-hover-bg: var(--docs-selected);
  --bs-dropdown-link-active-bg: var(--docs-selected);
  --bs-dropdown-link-active-color: var(--bs-link-color);
  --bs-dropdown-header-color: var(--bs-secondary-color);
  padding: 8px;
  border-radius: 19px;
  box-shadow: 0 12px 36px rgba(var(--docs-shadow-ink), 0.12);
}

.navbar .dropdown-item {
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 8px;
}

.navbar .dropdown-item[aria-checked="true"] {
  color: var(--docs-secondary-ink);
  background: var(--docs-selected);
}

.navbar .dropdown-toggle {
  cursor: pointer;
  border-radius: 999px;
}

body > main.container-xxl {
  max-width: 1360px;
  min-width: 0;
  padding: 32px var(--docs-gutter) 56px;
  column-gap: clamp(20px, 3vw, 44px);
}

/* These selectors match the emitted conceptual layout, not the search view. */
body:not([data-search]):is([data-layout=""], [data-layout="conceptual"]) > main > .content {
  min-width: 0;
  margin: 0;
}

body:not([data-search]):is([data-layout=""], [data-layout="conceptual"]) > main > .toc-offcanvas {
  flex: 0 0 clamp(200px, 20vw, 248px);
  max-height: calc(100dvh - 48px);
  top: 24px;
}

body:not([data-search]):is([data-layout=""], [data-layout="conceptual"]) > main > .affix {
  width: 190px;
  max-height: calc(100dvh - 48px);
  top: 24px;
}

.toc {
  padding: 12px;
  border: 1px solid var(--bs-border-color);
  border-radius: 21px;
  background: var(--docs-panel);
}

.toc .forge-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc .forge-toc-list li {
  padding: 0;
  margin: 0;
}

.toc .forge-toc-list a,
.toc .forge-toc-list summary {
  display: block;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.toc .forge-toc-list summary {
  display: list-item;
  list-style-position: inside;
  cursor: pointer;
  color: var(--bs-body-color);
  font-weight: 550;
}

.toc .forge-toc-list details > .forge-toc-list {
  margin: 4px 0 8px 12px;
  padding-left: 8px;
  border-left: 1px solid var(--bs-border-color);
}

.toc .forge-toc-list a[aria-current="page"],
.toc .forge-toc-list a:hover,
.toc .forge-toc-list summary:hover {
  color: var(--bs-link-color);
  background: var(--docs-selected);
}

.toc .forge-toc-list a[aria-current="page"] {
  font-weight: 600;
}

.affix h5 {
  color: var(--bs-secondary-color);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.affix li a {
  display: block;
  min-height: 44px;
  padding-block: 10px;
  font-size: 13px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

#forge-breadcrumb .breadcrumb {
  margin-bottom: 24px;
  font-size: 12px;
  line-height: 1.6;
}

#forge-breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

article {
  min-width: 0;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

article h1 {
  margin-bottom: 28px;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 450;
  letter-spacing: -0.06em;
  line-height: 1.16;
}

article h2 {
  margin-top: 44px;
  margin-bottom: 18px;
  font-size: clamp(24px, 2.7vw, 31px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.3;
}

article h3 {
  margin-top: 32px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.4;
}

article a {
  text-underline-offset: 4px;
}

article blockquote {
  margin-block: 24px;
  padding: 18px 22px;
  border-left: 3px solid var(--docs-ring);
  border-radius: 0 14px 14px 0;
  background: var(--docs-panel);
  color: var(--bs-secondary-color);
}

article .alert {
  --bs-alert-color: var(--bs-body-color);
  --bs-alert-link-color: var(--bs-link-color);
  --bs-alert-bg: var(--docs-card);
  --bs-alert-border-color: var(--bs-border-color);
  border-radius: 19px;
  border-left: 3px solid var(--docs-opal);
}

article :is(.WARNING, .IMPORTANT, .CAUTION) {
  border-left-color: var(--opal-foundation-warning);
}
article .alert-danger { border-left-color: var(--opal-foundation-destructive); }
article .alert-success { border-left-color: var(--opal-foundation-success); }

article pre {
  position: relative;
  max-width: 100%;
  padding: 20px;
  overflow-x: auto;
  border: 1px solid var(--bs-border-color);
  border-radius: 16px;
  background: var(--docs-code);
  font-size: 13px;
  line-height: 1.7;
}

/* DocFX's highlight rules otherwise wrap or hide long command lines. */
html[data-bs-theme] article pre > code,
html[data-bs-theme] article pre > code.hljs {
  padding: 0;
  overflow-x: visible;
  background: transparent;
  color: var(--bs-body-color);
  white-space: pre;
  text-wrap: nowrap;
}

/* Syntax uses the same semantic inks, not the vendor's independent palette. */
html[data-bs-theme] article .hljs :is(.hljs-keyword, .hljs-selector-tag, .hljs-built_in, .hljs-title) {
  color: var(--opal-foundation-primary);
}
html[data-bs-theme] article .hljs :is(.hljs-string, .hljs-number, .hljs-literal, .hljs-attr) {
  color: var(--opal-foundation-secondary-foreground);
}
html[data-bs-theme] article .hljs :is(.hljs-comment, .hljs-quote, .hljs-meta) {
  color: var(--opal-foundation-editorial-muted);
}
html[data-bs-theme] article .hljs :is(.hljs-addition, .hljs-deletion) {
  color: var(--bs-body-color);
  background: var(--docs-selected);
}

article :not(pre) > code {
  padding: 2px 5px;
  border-radius: 5px;
  background: var(--docs-code);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

article pre:has(> .code-action) {
  padding-top: 64px;
}

article pre > .code-action {
  display: block;
  top: 8px;
  right: 8px;
}

.code-action {
  border: 1px solid var(--bs-border-color);
  border-radius: 10px;
  color: var(--bs-body-color);
  background: var(--docs-card);
}

article table {
  --bs-table-bg: var(--docs-card);
  --bs-table-color: var(--bs-body-color);
  --bs-table-border-color: var(--bs-border-color);
  display: block;
  max-width: 100%;
  margin-block: 24px;
  overflow-x: auto;
  border: 1px solid var(--bs-border-color);
  border-radius: 19px;
  font-size: 14px;
}

article table :is(th, td) {
  padding: 12px 16px;
  border-bottom: 1px solid var(--bs-border-color);
  vertical-align: top;
  line-height: 1.7;
}

article table th {
  color: var(--bs-body-color);
  background: var(--docs-panel);
  font-weight: 600;
}

article table tbody tr:last-child td {
  border-bottom: 0;
}

/* DocFX wraps tables on hydration; preserve identity words before and after it. */
article #what-runs-where + table,
article #what-runs-where + .table-responsive,
article #what-runs-where + .table-responsive > table {
  overflow-wrap: normal;
  word-break: normal;
}

article #what-runs-where + :is(table, .table-responsive) :is(th, td):first-child {
  min-inline-size: 8.5rem;
  inline-size: 36%;
}

article #what-runs-where + :is(table, .table-responsive) :not(pre) > code {
  overflow-wrap: normal;
  word-break: normal;
  white-space: nowrap;
}

.next-article > div > a {
  min-height: 44px;
  padding-top: 10px;
  font-weight: 550;
  line-height: 1.6;
}

body[data-search] > .search-results {
  max-width: 1200px;
  min-width: 0;
  padding: 32px var(--docs-gutter) 56px;
}

#search-results > .sr-items .sr-item {
  padding: 22px 26px;
  border: 1px solid var(--bs-border-color);
  border-radius: 21px;
  background: var(--docs-card);
  overflow-wrap: anywhere;
}

#search-results > .sr-items .sr-item > .item-title {
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.4;
}

#search-results .item-title a {
  display: inline-block;
  min-height: 44px;
  padding-block: 7px;
}

#search-results > .sr-items .sr-item > .item-href {
  color: var(--bs-secondary-color);
  font-size: 12px;
}

#search-results > .sr-items .sr-item > .item-brief {
  margin-top: 12px;
  color: var(--bs-secondary-color);
  font-size: 14px;
  line-height: 1.8;
}

/* Soft surface separation is decorative; keyboard focus keeps its own ring. */
.toc,
.navbar .dropdown-menu,
#search-results > .sr-items .sr-item {
  border-color: color-mix(in srgb, var(--bs-border-color) 65%, var(--bs-body-bg));
  box-shadow: 0 2px 5px rgba(var(--docs-shadow-ink), 0.04),
    0 14px 32px -20px rgba(var(--docs-shadow-ink), 0.20);
}

body > footer,
body[data-layout] > footer {
  height: auto;
  min-height: 100px;
  padding-block: 26px;
  background: var(--docs-panel);
  font-size: 13px;
  line-height: 1.8;
}

body > footer > .container-xxl {
  max-width: 1360px;
  padding-inline: var(--docs-gutter);
}

footer a,
.forge-static-nav a {
  display: inline-block;
  min-height: 44px;
  padding: 10px 8px;
  text-underline-offset: 4px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--docs-ring);
  outline-offset: 3px;
}

.btn-close {
  opacity: 0.8;
}

.page-link {
  color: var(--bs-link-color);
  background: var(--docs-card);
  border-color: var(--bs-border-color);
}

.page-link:is(:hover, .active) {
  color: var(--docs-secondary-ink);
  background: var(--docs-selected);
  border-color: var(--bs-border-color);
}

.form-control:focus {
  border-color: var(--docs-ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--docs-ring) 18%, transparent);
}

.forge-skip {
  position: absolute;
  left: -10000px;
}

.forge-skip:focus {
  left: 18px;
  top: 18px;
  z-index: 2000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--bs-body-bg);
}

.forge-static-nav {
  padding: 16px var(--docs-gutter);
  border-bottom: 1px solid var(--bs-border-color);
  background: var(--docs-panel);
}

@media (min-width: 768px) {
  article [id] {
    scroll-margin-top: 24px !important;
  }
}

@media (max-width: 1199.98px) {
  .navbar > .container-xxl {
    flex-wrap: wrap !important;
  }
  .navbar-collapse {
    flex-basis: 100%;
    width: 100%;
    min-width: 0;
  }
  .navbar #navbar {
    justify-content: flex-start;
    padding-top: 10px;
  }
}

@media (max-width: 767.98px) {
  body > main.container-xxl {
    padding-block: 24px 40px;
    column-gap: 0;
  }
  body:not([data-search]):is([data-layout=""], [data-layout="conceptual"]) > main > .toc-offcanvas {
    flex: 0 0 0;
    max-width: 0;
  }
  #tocOffcanvas {
    --bs-offcanvas-width: min(360px, 90vw);
    --bs-offcanvas-bg: var(--docs-panel);
  }
  .navbar > .container-xxl {
    gap: 12px;
  }
  .navbar #navbar form.search {
    flex: 0 1 auto;
    width: 100%;
    max-width: none;
    margin-top: 12px;
  }
  #forge-breadcrumb .breadcrumb {
    margin-bottom: 20px;
  }
  .actionbar {
    gap: 10px;
  }
  article pre {
    padding: 16px;
    font-size: 12px;
  }
  #search-results > .sr-items .sr-item {
    padding: 18px;
  }
}

/* Native runtime state stays immediate; only its affected surfaces move. */
body,
body > header,
body > footer,
.toc,
.navbar .nav-link,
.navbar .form-control,
article :is(pre, table, blockquote, .alert),
.code-action,
.page-link {
  transition: background-color 130ms ease, color 130ms ease, border-color 130ms ease;
}

.navbar .collapsing {
  transition: height 130ms cubic-bezier(.2, .8, .2, 1);
}

.offcanvas-md,
.offcanvas-backdrop {
  transition-duration: 130ms !important;
}

/* Native details remain accessible immediately; their own region reflows. */
@supports (interpolate-size: allow-keywords) {
  .toc details::details-content {
    interpolate-size: allow-keywords;
    block-size: 0;
    overflow: clip;
    transition: block-size 130ms ease, content-visibility 130ms allow-discrete;
  }
  .toc details[open]::details-content {
    block-size: auto;
  }
}

.navbar .dropdown-menu {
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 120ms ease, transform 120ms ease, display 120ms allow-discrete;
}
.navbar .dropdown-menu.show {
  opacity: 1;
  transform: none;
}
@starting-style {
  .navbar .dropdown-menu.show { opacity: 0; transform: translateY(-3px); }
}

.opalspan-appearance-note {
  max-width: 24ch;
  padding: 8px 14px;
  color: var(--bs-secondary-color);
  font-size: 12px;
  line-height: 1.6;
}

/* Keep the existing usable document/results; pending belongs to search only. */
.opalspan-docs-pending {
  --opal-loader-gem-size: 24px;
  position: absolute;
  inset: calc(100% + 4px) 0 auto;
  z-index: 2;
  min-height: 28px;
  color: var(--bs-secondary-color);
}
.opalspan-docs-pending .opal-loader__label { font-size: 12px; }
.opalspan-docs-pending .opal-loader__gem { animation: opalspan-docs-artwork 150ms both; }
.opalspan-docs-search-error .opal-loader__gem { display: none; }
.opalspan-docs-search-retry {
  position: absolute;
  inset: calc(100% + 52px) auto auto 0;
  z-index: 2;
  color: var(--bs-link-color);
  background: var(--docs-card);
  border: 1px solid var(--bs-border-color);
}
/* Discrete visibility keeps exit decoration brief without retaining actions. */
.opalspan-docs-pending {
  opacity: 1;
  transition: opacity 120ms ease, display 120ms allow-discrete;
}
.opalspan-docs-pending[hidden] { opacity: 0; }
@starting-style { .opalspan-docs-pending { opacity: 0; } }

@keyframes opalspan-docs-artwork {
  0%, 80% { opacity: 0; }
  100% { opacity: 1; }
}

html[data-opalspan-scroll-motion="off"] *,
html[data-opalspan-scroll-motion="off"] *::before,
html[data-opalspan-scroll-motion="off"] *::after,
html[data-opalspan-motion="off"] *,
html[data-opalspan-motion="off"] *::before,
html[data-opalspan-motion="off"] *::after {
  animation-duration: 0s !important;
  transition-duration: 0s !important;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0s !important;
    transition-duration: 0s !important;
  }
}

/* DocFX's same-origin document transition is native, short and nonblocking. */
:root::view-transition-group(root),
:root::view-transition-old(root),
:root::view-transition-new(root) {
  animation-duration: 130ms;
  animation-timing-function: cubic-bezier(.2, .8, .2, 1);
}
:root[data-opalspan-scroll-motion="off"]::view-transition-group(root),
:root[data-opalspan-scroll-motion="off"]::view-transition-old(root),
:root[data-opalspan-scroll-motion="off"]::view-transition-new(root) {
  animation-duration: 0s;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  html {
    scroll-behavior: auto;
  }
}

/* Native article/TOC destinations are eased; explicit public Off and the OS
   accessibility preference keep them immediate without changing native hashes. */
@media (prefers-reduced-motion: no-preference) {
  html[data-opalspan-scroll-motion="smooth"] {
    scroll-behavior: smooth;
  }
}

@media print {
  body > main.container-xxl {
    padding: 0;
  }
  article pre,
  article table {
    overflow: visible;
  }
}