/*!
 * fuma — a Sphinx theme with a fumadocs-style layout.
 *
 * The design token set (--color-fd-*) and the named-area grid follow fumadocs,
 * MIT licensed, Copyright (c) 2023 Fuma. https://github.com/fuma-nama/fumadocs
 * This theme is not affiliated with or endorsed by that project.
 */

:root {
  --color-fd-background: #f5f5f5;
  --color-fd-foreground: #0a0a0a;
  --color-fd-muted: #f5f5f5;
  --color-fd-muted-foreground: #737373;
  --color-fd-popover: #fafafa;
  --color-fd-popover-foreground: #272727;
  --color-fd-card: #f1f1f1;
  --color-fd-card-foreground: #0a0a0a;
  --color-fd-border: #cccccc80;
  --color-fd-primary: #171717;
  --color-fd-primary-foreground: #fafafa;
  --color-fd-secondary: #ededed;
  --color-fd-secondary-foreground: #171717;
  --color-fd-accent: #d1d1d180;
  --color-fd-accent-foreground: #171717;
  --color-fd-ring: #a3a3a3;

  --fd-sidebar-width: 268px;
  --fd-toc-width: 268px;
  --fd-page-width: 1016px;
  --fd-page-max: 900px;
  --fd-header-height: 0px;
  --fd-banner-height: 0px;
  --fd-toc-popover-height: 0px;
  --fd-radius: 0.5rem;

  --fd-sidebar-col: var(--fd-sidebar-width);
  --fd-row-1: var(--fd-banner-height);
  --fd-row-2: calc(var(--fd-row-1) + var(--fd-header-height));
  --fd-row-3: calc(var(--fd-row-2) + var(--fd-toc-popover-height));

  --fd-font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fd-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

html.dark {
  --color-fd-background: #121212;
  --color-fd-foreground: #ebebeb;
  --color-fd-muted: #212121;
  --color-fd-muted-foreground: #b3b3b3cc;
  --color-fd-popover: #1e1e1e;
  --color-fd-popover-foreground: #dedede;
  --color-fd-card: #191919;
  --color-fd-card-foreground: #fafafa;
  --color-fd-border: #6663;
  --color-fd-primary: #fafafa;
  --color-fd-primary-foreground: #171717;
  --color-fd-secondary: #212121;
  --color-fd-secondary-foreground: #ebebeb;
  --color-fd-accent: #6868684d;
  --color-fd-accent-foreground: #e6e6e6;
  --color-fd-ring: #8c8c8c;

  color-scheme: dark;
}

/* Same palette without JavaScript. ``html.light`` opts back out when the reader
   has explicitly chosen the light theme. Kept in sync with ``html.dark`` above. */
@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --color-fd-background: #121212;
    --color-fd-foreground: #ebebeb;
    --color-fd-muted: #212121;
    --color-fd-muted-foreground: #b3b3b3cc;
    --color-fd-popover: #1e1e1e;
    --color-fd-popover-foreground: #dedede;
    --color-fd-card: #191919;
    --color-fd-card-foreground: #fafafa;
    --color-fd-border: #6663;
    --color-fd-primary: #fafafa;
    --color-fd-primary-foreground: #171717;
    --color-fd-secondary: #212121;
    --color-fd-secondary-foreground: #ebebeb;
    --color-fd-accent: #6868684d;
    --color-fd-accent-foreground: #e6e6e6;
    --color-fd-ring: #8c8c8c;

    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: var(--color-fd-border);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--fd-row-3) + 1.5rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body.fd-body {
  margin: 0;
  font-family: var(--fd-font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-fd-foreground);
  background: var(--color-fd-background);
  -webkit-font-smoothing: antialiased;
}

.fd-body a {
  color: inherit;
  text-decoration: none;
}

.fd-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.fd-kbd {
  font-family: var(--fd-font-sans);
  font-size: 0.6875rem;
  line-height: 1;
  padding: 0.1875rem 0.375rem;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.25rem;
  background: var(--color-fd-background);
  color: var(--color-fd-muted-foreground);
}

:where(.fd-body) :focus-visible {
  outline: 2px solid var(--color-fd-ring);
  outline-offset: 2px;
}

/* Layout ------------------------------------------------------------------ */

#fd-banner {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--fd-banner-height);
  background: var(--color-fd-secondary);
  border-bottom: 1px solid var(--color-fd-border);
}

body:has(#fd-banner) {
  --fd-banner-height: 2.5rem;
}

.fd-banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 0.8125rem;
  color: var(--color-fd-secondary-foreground);
}

#fd-layout {
  display: grid;
  min-height: 100dvh;
  /* Sidebar and TOC each span an outer gutter column so their surfaces bleed to
     the window edge while their content stays on the fixed inner track. */
  grid-template:
    "sidebar sidebar header      toc toc"
    "sidebar sidebar toc-popover toc toc"
    "sidebar sidebar main        toc toc" 1fr
    / minmax(min-content, 1fr) var(--fd-sidebar-col) minmax(0, var(--fd-page-width)) var(--fd-toc-width) minmax(min-content, 1fr);
}

body[data-layout="notebook"] {
  --fd-header-height: 3.5rem;
}

body[data-layout="notebook"] #fd-layout {
  grid-template:
    "header  header  header      header header"
    "sidebar sidebar toc-popover toc    toc"
    "sidebar sidebar main        toc    toc" 1fr
    / minmax(min-content, 1fr) var(--fd-sidebar-col) minmax(0, var(--fd-page-width)) var(--fd-toc-width) minmax(min-content, 1fr);
}

html[data-sidebar-collapsed="true"] {
  --fd-sidebar-col: 0px;
}

/* Sub navigation (mobile, and the top bar of the notebook layout) ---------- */

#fd-subnav {
  grid-area: header;
  position: sticky;
  top: var(--fd-row-1);
  z-index: 30;
  display: none;
  height: var(--fd-header-height);
  border-bottom: 1px solid var(--color-fd-border);
  background: color-mix(in srgb, var(--color-fd-background) 80%, transparent);
  backdrop-filter: blur(12px);
}

body[data-layout="notebook"] #fd-subnav {
  display: block;
}

.fd-subnav-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 100%;
  padding-inline: 1rem;
}

.fd-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-fd-foreground);
}

.fd-brand-logo {
  height: 1.5rem;
  width: auto;
}

.fd-brand-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fd-brand-name code {
  font-family: var(--fd-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-fd-muted-foreground);
}

.fd-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-inline-start: 0.75rem;
}

.fd-nav-links a {
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-fd-muted-foreground);
  transition: color 0.15s, background-color 0.15s;
}

.fd-nav-links a:hover {
  color: var(--color-fd-accent-foreground);
  background: var(--color-fd-accent);
}

.fd-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-inline-start: auto;
}

.fd-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 0;
  border-radius: 0.375rem;
  background: transparent;
  color: var(--color-fd-muted-foreground);
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.fd-icon-button:hover {
  color: var(--color-fd-accent-foreground);
  background: var(--color-fd-accent);
}

.fd-theme-toggle .fd-icon-dark,
html.dark .fd-theme-toggle .fd-icon-light {
  display: none;
}

html.dark .fd-theme-toggle .fd-icon-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  html:not(.light) .fd-theme-toggle .fd-icon-light {
    display: none;
  }

  html:not(.light) .fd-theme-toggle .fd-icon-dark {
    display: block;
  }
}

.fd-sidebar-toggle {
  display: none;
}

/* Search trigger ---------------------------------------------------------- */

.fd-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  height: 2.25rem;
  padding-inline: 0.625rem;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: var(--color-fd-secondary);
  color: var(--color-fd-muted-foreground);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.fd-search-trigger:hover {
  background: var(--color-fd-accent);
  color: var(--color-fd-accent-foreground);
}

.fd-search-trigger .fd-kbd {
  margin-inline-start: auto;
}

.fd-nav-actions .fd-search-trigger {
  width: auto;
  height: 2rem;
}

/* Sidebar ----------------------------------------------------------------- */

#fd-sidebar {
  grid-area: sidebar;
  align-self: start;
  position: sticky;
  top: var(--fd-row-1);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  height: calc(100dvh - var(--fd-row-1));
  background: var(--color-fd-card);
  border-inline-end: 1px solid var(--color-fd-border);
}

body[data-layout="notebook"] #fd-sidebar {
  top: var(--fd-row-2);
  height: calc(100dvh - var(--fd-row-2));
}

html[data-sidebar-collapsed="true"] #fd-sidebar {
  display: none;
}

.fd-sidebar-header,
.fd-sidebar-footer {
  display: flex;
  width: var(--fd-sidebar-width);
  flex-shrink: 0;
}

.fd-sidebar-header {
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1rem 0.5rem;
}

/* Column so the toolbar stretches the full sidebar width. */
.fd-sidebar-footer {
  flex-direction: column;
  padding: 0.5rem 1rem 1rem;
}

.fd-sidebar-brand-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.fd-sidebar-brand-row .fd-icon-button {
  margin-inline-start: auto;
}

.fd-sidebar-nav {
  width: var(--fd-sidebar-width);
  flex: 1;
  min-height: 0;
  padding: 0 0.75rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.fd-sidebar-footer {
  padding: 0.5rem 1rem 1rem;
}

.fd-toolbar {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 2px 0 2px 2px;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: color-mix(in srgb, var(--color-fd-secondary) 50%, transparent);
  color: var(--color-fd-muted-foreground);
}

.fd-toolbar-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.875rem;
  height: 1.875rem;
  padding: 0.375rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: inherit;
  transition: color 0.15s, background-color 0.15s;
}

.fd-toolbar-item:hover {
  color: var(--color-fd-accent-foreground);
  background: var(--color-fd-accent);
}

/* Segmented light/dark control: both icons visible, the active one filled. */
.fd-theme-switch {
  display: inline-flex;
  align-items: center;
  margin-inline-start: auto;
  padding: 0 4px;
  border-inline-start: 1px solid var(--color-fd-border);
}

.fd-theme-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.625rem;
  height: 1.625rem;
  padding: 0.375rem;
  border: 0;
  border-radius: 0.375rem;
  background: transparent;
  color: var(--color-fd-muted-foreground);
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.fd-theme-option[data-active="true"] {
  background: var(--color-fd-accent);
  color: var(--color-fd-accent-foreground);
}

/* Navigator (root-folder switcher) --------------------------------------- */

.fd-navigator {
  position: relative;
}

.fd-navigator-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: color-mix(in srgb, var(--color-fd-secondary) 50%, transparent);
  color: var(--color-fd-secondary-foreground);
  font-size: 0.875rem;
  list-style: none;
  cursor: pointer;
}

.fd-navigator-trigger::-webkit-details-marker {
  display: none;
}

.fd-navigator-trigger > .fd-icon:last-child {
  margin-inline-start: auto;
  color: var(--color-fd-muted-foreground);
}

.fd-navigator-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  color: var(--color-fd-muted-foreground);
}

.fd-navigator-label {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.fd-navigator-title {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fd-navigator-description {
  font-size: 0.75rem;
  color: var(--color-fd-muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fd-navigator-menu {
  position: absolute;
  z-index: 20;
  inset-inline: 0;
  top: calc(100% + 0.25rem);
  padding: 0.25rem;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: var(--color-fd-popover);
  color: var(--color-fd-popover-foreground);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.16);
}

.fd-navigator-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
}

.fd-navigator-option:hover {
  background: var(--color-fd-accent);
}

.fd-navigator-option.fd-current {
  background: color-mix(in srgb, var(--color-fd-primary) 10%, transparent);
  color: var(--color-fd-primary);
}

/* The notebook top bar already carries the brand and search, but the navigator
   only exists here, so hide the duplicated controls rather than the whole row. */
body[data-layout="notebook"] .fd-sidebar-brand-row,
body[data-layout="notebook"] .fd-sidebar-header > .fd-search-trigger {
  display: none;
}

body[data-layout="notebook"] .fd-sidebar-header:not(:has(.fd-navigator)) {
  display: none;
}

.fd-sidebar-group + .fd-sidebar-group {
  margin-top: 1.25rem;
}

.fd-sidebar-caption {
  margin: 0 0 0.25rem;
  padding: 0.5rem 0.5rem 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-fd-foreground);
}

.fd-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fd-tree .fd-tree {
  margin-inline-start: 0.75rem;
  padding-inline-start: 0.75rem;
  border-inline-start: 1px solid var(--color-fd-border);
}

.fd-tree-item .fd-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: var(--fd-radius);
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--color-fd-muted-foreground);
  transition: color 0.15s, background-color 0.15s;
}

.fd-link-text {
  min-width: 0;
}

.fd-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.375rem;
  background: var(--color-fd-card);
}

.fd-link-icon .fd-icon {
  width: 0.75rem;
  height: 0.75rem;
}

.fd-tree-item .fd-link:hover {
  color: var(--color-fd-accent-foreground);
  background: var(--color-fd-accent);
}

.fd-tree-item .fd-link.fd-current {
  color: var(--color-fd-primary);
  background: color-mix(in srgb, var(--color-fd-primary) 10%, transparent);
}

.fd-folder-summary {
  display: flex;
  align-items: center;
  list-style: none;
  cursor: pointer;
}

.fd-folder-summary::-webkit-details-marker {
  display: none;
}

.fd-folder-summary .fd-link {
  flex: 1;
  min-width: 0;
}

.fd-folder-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.25rem;
  color: var(--color-fd-muted-foreground);
  transition: transform 0.2s;
}

.fd-folder-marker .fd-icon {
  width: 0.875rem;
  height: 0.875rem;
}

.fd-folder[open] > .fd-folder-summary .fd-folder-marker {
  transform: rotate(180deg);
}

.fd-sidebar-scrim {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgb(0 0 0 / 0.4);
}

/* Expand affordance once the sidebar is collapsed */
#fd-sidebar-restore {
  position: fixed;
  top: calc(var(--fd-row-1) + 0.75rem);
  inset-inline-start: 0.75rem;
  z-index: 31;
  display: none;
  border: 1px solid var(--color-fd-border);
  background: var(--color-fd-card);
}

html[data-sidebar-collapsed="true"] #fd-sidebar-restore {
  display: inline-flex;
}

/* Table of contents ------------------------------------------------------- */

#fd-toc {
  grid-area: toc;
  align-self: start;
  justify-self: start;
  position: sticky;
  top: var(--fd-row-2);
  width: var(--fd-toc-width);
  max-height: calc(100dvh - var(--fd-row-2));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 3rem 1rem 2rem 0;
}

.fd-toc-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.4286;
  color: var(--color-fd-muted-foreground);
}

.fd-toc-body {
  position: relative;
}

.fd-toc-rail {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 1.25rem;
  pointer-events: none;
  overflow: visible;
}

.fd-toc-track {
  stroke: var(--color-fd-border);
  stroke-width: 1;
}

.fd-toc-thumb {
  stroke: var(--color-fd-primary);
  stroke-width: 1;
  /* Set by the scroll spy to the span of the headings currently on screen. */
  clip-path: polygon(0 var(--fd-track-top, 0), 100% var(--fd-track-top, 0), 100% var(--fd-track-bottom, 0), 0 var(--fd-track-bottom, 0));
  transition: clip-path 0.2s ease;
}

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

.fd-toc-item a {
  display: block;
  padding: 0 0 0.375rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.4286;
  color: var(--color-fd-muted-foreground);
  transition: color 0.15s;
}

.fd-toc-item a:hover {
  color: var(--color-fd-accent-foreground);
}

.fd-toc-item.fd-active a {
  color: var(--color-fd-primary);
}

.fd-toc-item[data-depth="2"] a {
  padding-inline-start: 2rem;
}

.fd-toc-item[data-depth="3"] a {
  padding-inline-start: 2.75rem;
}

.fd-toc-item[data-depth="4"] a {
  padding-inline-start: 3.5rem;
}

body[data-toc-style="clerk"] .fd-toc-item a {
  opacity: 0.6;
  transition: color 0.15s, opacity 0.15s;
}

body[data-toc-style="clerk"] .fd-toc-item.fd-active a,
body[data-toc-style="clerk"] .fd-toc-item.fd-visible a {
  opacity: 1;
}

.fd-toc-actions {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-fd-border);
}

.fd-toc-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.375rem;
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-fd-muted-foreground);
  transition: color 0.15s, background-color 0.15s;
}

.fd-toc-action:hover {
  color: var(--color-fd-accent-foreground);
  background: var(--color-fd-accent);
}

#fd-toc-popover {
  grid-area: toc-popover;
  display: none;
  position: sticky;
  top: var(--fd-row-2);
  z-index: 20;
  border-bottom: 1px solid var(--color-fd-border);
  background: color-mix(in srgb, var(--color-fd-background) 80%, transparent);
  backdrop-filter: blur(12px);
}

.fd-toc-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  height: var(--fd-toc-popover-height);
  padding-inline: 1rem;
  border: 0;
  background: transparent;
  color: var(--color-fd-muted-foreground);
  font-family: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
}

.fd-toc-trigger .fd-icon:last-child {
  margin-inline-start: auto;
  transition: transform 0.2s;
}

.fd-toc-trigger[aria-expanded="true"] .fd-icon:last-child {
  transform: rotate(180deg);
}

#fd-toc-mobile {
  padding: 0 1rem 1rem;
}

/* Main -------------------------------------------------------------------- */

#fd-main {
  grid-area: main;
  min-width: 0;
}

.fd-page {
  max-width: var(--fd-page-max);
  margin-inline: auto;
  padding: 3.5rem 2rem 1.5rem;
}

.fd-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--color-fd-muted-foreground);
}

.fd-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.fd-breadcrumbs a:hover {
  color: var(--color-fd-foreground);
}

.fd-breadcrumbs .fd-icon {
  width: 0.875rem;
  height: 0.875rem;
}

.fd-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 3rem;
}

.fd-pagination-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: var(--color-fd-card);
  color: var(--color-fd-muted-foreground);
  transition: background-color 0.15s, color 0.15s;
}

.fd-pagination-card:hover {
  background: var(--color-fd-accent);
  color: var(--color-fd-accent-foreground);
}

.fd-pagination-next {
  justify-content: flex-end;
  text-align: end;
}

.fd-pagination-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.fd-pagination-label {
  font-size: 0.75rem;
}

.fd-pagination-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-fd-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#fd-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-fd-border);
  font-size: 0.8125rem;
  color: var(--color-fd-muted-foreground);
}

#fd-footer p {
  margin: 0;
}

.fd-footer-meta span + span {
  margin-inline-start: 0.5rem;
}

/* Search dialog ----------------------------------------------------------- */

#fd-search-dialog {
  width: min(40rem, calc(100vw - 2rem));
  max-height: min(28rem, calc(100vh - 6rem));
  margin-top: 4rem;
  padding: 0;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.75rem;
  background: var(--color-fd-popover);
  color: var(--color-fd-popover-foreground);
  overflow: hidden;
  box-shadow: 0 16px 48px rgb(0 0 0 / 0.18);
}

#fd-search-dialog::backdrop {
  background: rgb(0 0 0 / 0.5);
  backdrop-filter: blur(2px);
}

.fd-search-panel {
  display: flex;
  flex-direction: column;
  max-height: inherit;
}

.fd-search-field {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-fd-border);
  color: var(--color-fd-muted-foreground);
}

#fd-search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-fd-foreground);
}

#fd-search-input::-webkit-search-cancel-button {
  display: none;
}

#fd-search-results {
  overflow-y: auto;
  padding: 0.5rem;
}

.fd-search-result {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 0;
  border-radius: 0.375rem;
  background: transparent;
  color: inherit;
  font-family: inherit;
  text-align: start;
  cursor: pointer;
}

.fd-search-result[aria-selected="true"],
.fd-search-result:hover {
  background: var(--color-fd-accent);
  color: var(--color-fd-accent-foreground);
}

.fd-search-result-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
}

.fd-search-result-context {
  display: block;
  font-size: 0.75rem;
  color: var(--color-fd-muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fd-search-result mark {
  background: transparent;
  color: inherit;
  font-weight: 700;
}

.fd-search-empty {
  margin: 0;
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-fd-muted-foreground);
}

/* Prose ------------------------------------------------------------------- */

.fd-prose {
  color: color-mix(in srgb, var(--color-fd-foreground) 90%, transparent);
}

.fd-prose > *:first-child {
  margin-top: 0;
}

.fd-prose h1,
.fd-prose h2,
.fd-prose h3,
.fd-prose h4,
.fd-prose h5,
.fd-prose h6 {
  scroll-margin-top: calc(var(--fd-row-3) + 1.5rem);
  color: var(--color-fd-foreground);
  font-weight: 600;
  letter-spacing: normal;
}

.fd-prose h1 {
  margin: 0 0 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-fd-border);
  font-size: 1.75rem;
  line-height: 1.5;
}

.fd-prose h2 {
  margin: 3rem 0 1.5rem;
  font-size: 1.5rem;
  line-height: 1.333;
}

.fd-prose h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  line-height: 1.4;
}

.fd-prose h4 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1rem;
  line-height: 1.5;
}

.fd-prose p {
  margin: 0 0 1.25rem;
  line-height: 1.75;
}

.fd-prose ul,
.fd-prose ol,
.fd-prose dl {
  margin: 1.25rem 0;
}

.fd-prose ul,
.fd-prose ol {
  padding-inline-start: 1.25rem;
}

.fd-prose li {
  margin: 0.5rem 0;
  line-height: 1.75;
}

.fd-prose a {
  color: var(--color-fd-foreground);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3.5px;
  text-decoration-color: color-mix(in srgb, var(--color-fd-primary) 40%, transparent);
}

.fd-prose a:hover {
  text-decoration-color: var(--color-fd-primary);
}

.fd-prose hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--color-fd-border);
}

.fd-prose blockquote {
  margin: 1rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-inline-start: 2px solid var(--color-fd-border);
  color: var(--color-fd-muted-foreground);
}

.fd-prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--fd-radius);
}

.fd-prose .headerlink {
  margin-inline-start: 0.375rem;
  opacity: 0;
  font-weight: 400;
  color: var(--color-fd-muted-foreground);
  text-decoration: none;
  transition: opacity 0.15s;
}

.fd-prose :hover > .headerlink,
.fd-prose .headerlink:focus-visible {
  opacity: 1;
}

/* Inline code and code blocks --------------------------------------------- */

.fd-prose code,
.fd-prose kbd,
.fd-prose samp {
  font-family: var(--fd-font-mono);
  font-size: 0.8125em;
}

.fd-prose :not(pre) > code {
  padding: 3px;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.3125rem;
  background: var(--color-fd-secondary);
  font-weight: 400;
}

.fd-prose a > code {
  color: inherit;
}

/* Sphinx nests ``div.highlight`` inside ``div.highlight-<lang>``; only the
   outermost wrapper should draw the frame. */
.fd-prose div[class*="highlight-"],
.fd-prose .literal-block-wrapper {
  position: relative;
  margin: 1rem 0;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.75rem;
  background: var(--color-fd-secondary);
  overflow: hidden;
}

.fd-prose .literal-block-wrapper div[class*="highlight-"],
.fd-prose div[class*="highlight-"] > div.highlight {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.fd-prose .code-block-caption {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.5rem 0.875rem;
  border-bottom: 1px solid var(--color-fd-border);
  font-family: var(--fd-font-mono);
  font-size: 0.75rem;
  color: var(--color-fd-muted-foreground);
}

.fd-prose pre {
  margin: 0;
  padding: 0.875rem 1rem;
  overflow-x: auto;
  font-family: var(--fd-font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  background: transparent;
}

.fd-prose pre .linenos,
.fd-prose .linenodiv pre {
  color: var(--color-fd-muted-foreground);
  user-select: none;
}

/* sphinx-copybutton */
.fd-prose button.copybtn {
  top: 0.5rem;
  right: 0.5rem;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0.25rem;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.375rem;
  background: var(--color-fd-background);
  opacity: 0;
  transition: opacity 0.15s;
}

.fd-prose div[class*="highlight-"]:hover button.copybtn,
.fd-prose button.copybtn:focus-visible {
  opacity: 1;
}

/* Admonitions ------------------------------------------------------------- */

.fd-prose .admonition,
.fd-prose div.topic,
.fd-prose .seealso {
  --fd-callout-accent: var(--color-fd-muted-foreground);
  position: relative;
  margin: 1rem 0;
  padding: 0.75rem 0.75rem 0.75rem 1rem;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.75rem;
  background: var(--color-fd-card);
  font-size: 0.875rem;
}

/* The rounded accent bar fumadocs uses instead of a coloured left border. */
.fd-prose .admonition::before,
.fd-prose div.topic::before,
.fd-prose .seealso::before {
  content: "";
  position: absolute;
  inset-block: 0.75rem;
  inset-inline-start: 4px;
  width: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--fd-callout-accent) 50%, transparent);
}

.fd-prose .admonition > *:last-child,
.fd-prose div.topic > *:last-child {
  margin-bottom: 0;
}

.fd-prose .admonition p,
.fd-prose div.topic p {
  line-height: 1.6;
}

.fd-prose .admonition-title {
  margin: 0 0 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-fd-foreground);
}

.fd-prose .note,
.fd-prose .seealso,
.fd-prose .hint {
  --fd-callout-accent: hsl(217, 82%, 55%);
}

.fd-prose .tip,
.fd-prose .important {
  --fd-callout-accent: hsl(158, 68%, 38%);
}

.fd-prose .warning,
.fd-prose .caution,
.fd-prose .attention {
  --fd-callout-accent: hsl(35, 92%, 45%);
}

.fd-prose .danger,
.fd-prose .error {
  --fd-callout-accent: hsl(0, 72%, 52%);
}

.fd-prose .versionmodified {
  font-style: italic;
  color: var(--color-fd-muted-foreground);
}

/* Tables ------------------------------------------------------------------ */

.fd-prose table {
  width: 100%;
  margin: 1.25rem 0;
  /* ``separate`` rather than ``collapse`` so the rounded corners actually clip. */
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  overflow: hidden;
}

.fd-prose table.docutils {
  display: table;
}

.fd-prose th,
.fd-prose td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-fd-border);
  text-align: start;
  vertical-align: top;
}

.fd-prose thead th {
  background: var(--color-fd-secondary);
  font-weight: 600;
}

.fd-prose tbody tr:last-child td {
  border-bottom: 0;
}

.fd-prose table p {
  margin: 0;
}

/* API signatures ---------------------------------------------------------- */

.fd-prose dl.py > dt,
.fd-prose dl.c > dt,
.fd-prose dl.cpp > dt,
.fd-prose dl.rst > dt,
.fd-prose dl.js > dt {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: var(--color-fd-card);
  font-family: var(--fd-font-mono);
  font-size: 0.8125rem;
  overflow-x: auto;
}

.fd-prose dl.py > dd,
.fd-prose dl.c > dd,
.fd-prose dl.cpp > dd,
.fd-prose dl.rst > dd,
.fd-prose dl.js > dd {
  margin: 0.75rem 0 1.5rem;
  padding-inline-start: 1rem;
  border-inline-start: 1px solid var(--color-fd-border);
}

.fd-prose .sig-name {
  font-weight: 600;
}

.fd-prose .sig-prename,
.fd-prose .sig-paren,
.fd-prose .optional {
  color: var(--color-fd-muted-foreground);
}

.fd-prose .property em,
.fd-prose .sig-param .n {
  font-style: normal;
}

.fd-prose dl.field-list > dt {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-fd-muted-foreground);
}

.fd-prose dl.field-list > dd {
  margin: 0.25rem 0 0;
  padding: 0;
}

/* sphinx-design ----------------------------------------------------------- */

.fd-prose .sd-card {
  border-color: var(--color-fd-border);
  border-radius: 0.75rem;
  background: var(--color-fd-card);
}

/* Tab sets are framed like a code block so ``tab-set:: code-tabs`` reads as one. */
.fd-prose .sd-tab-set {
  margin: 1rem 0;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.75rem;
  background: var(--color-fd-secondary);
  overflow: hidden;
}

.fd-prose .sd-tab-set > label {
  margin: 0;
  padding: 0.5rem 0.75rem;
  border: 0;
  border-bottom: 1px solid var(--color-fd-border);
  background: transparent;
  color: var(--color-fd-muted-foreground);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: color 0.15s, box-shadow 0.15s;
}

.fd-prose .sd-tab-set > label:hover {
  color: var(--color-fd-accent-foreground);
}

.fd-prose .sd-tab-set > input:checked + label {
  color: var(--color-fd-primary);
  box-shadow: inset 0 -2px 0 var(--color-fd-primary);
}

.fd-prose .sd-tab-set > .sd-tab-content {
  padding: 0;
  border: 0;
  background: transparent;
}

.fd-prose .sd-tab-content > *:not(div[class*="highlight-"]) {
  margin-inline: 1rem;
}

.fd-prose .sd-tab-content > *:first-child {
  margin-top: 0.75rem;
}

.fd-prose .sd-tab-content > *:last-child {
  margin-bottom: 0.75rem;
}

/* A code block filling a tab panel is already framed by the tab set. */
.fd-prose .sd-tab-content > div[class*="highlight-"] {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

/* Steps ------------------------------------------------------------------- */

.fd-prose .fd-steps {
  counter-reset: fd-step;
  margin: 1.25rem 0;
  padding-inline-start: 2.5rem;
  border-inline-start: 1px solid var(--color-fd-border);
}

/* Headings nested in a directive arrive as rubrics, not sections. */
.fd-prose .fd-steps > p.rubric,
.fd-prose .fd-steps > .fd-step {
  position: relative;
  counter-increment: fd-step;
  margin: 1.75rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.75rem;
  color: var(--color-fd-foreground);
}

.fd-prose .fd-steps > p.rubric:first-child,
.fd-prose .fd-steps > .fd-step:first-child {
  margin-top: 0;
}

.fd-prose .fd-steps > p.rubric::before,
.fd-prose .fd-steps > .fd-step::before {
  content: counter(fd-step);
  position: absolute;
  top: 0;
  /* Centres the circle on the rail: -(padding + half the circle). */
  inset-inline-start: -3.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-fd-secondary);
  color: var(--color-fd-secondary-foreground);
  font-size: 0.8125rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.fd-prose .fd-steps > *:last-child {
  margin-bottom: 0;
}

/* Files ------------------------------------------------------------------- */

.fd-prose .fd-files {
  --fd-icon-folder: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 20a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.9a2 2 0 0 1-1.69-.9L9.6 3.9A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13a2 2 0 0 0 2 2Z'/%3E%3C/svg%3E");
  --fd-icon-file: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7Z'/%3E%3Cpath d='M14 2v4a2 2 0 0 0 2 2h4'/%3E%3C/svg%3E");
  margin: 1.25rem 0;
  padding: 0.625rem;
  border: 1px solid var(--color-fd-border);
  border-radius: 0.75rem;
  background: var(--color-fd-card);
  font-size: 0.875rem;
}

.fd-prose .fd-files-children {
  margin-inline-start: 0.75rem;
  padding-inline-start: 0.75rem;
  border-inline-start: 1px solid var(--color-fd-border);
}

.fd-prose .fd-entry-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3125rem 0.5rem;
  border-radius: 0.375rem;
  line-height: 1.25rem;
  color: var(--color-fd-muted-foreground);
}

.fd-prose .fd-folder-entry > .fd-entry-name {
  color: var(--color-fd-foreground);
  font-weight: 500;
}

.fd-prose .fd-entry-name::before {
  content: "";
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  background-color: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  mask-image: var(--fd-icon-file);
}

.fd-prose .fd-folder-entry > .fd-entry-name::before {
  mask-image: var(--fd-icon-folder);
}

/* myst-nb ----------------------------------------------------------------- */

.fd-prose .cell_output {
  margin: 0.5rem 0 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-fd-border);
  border-radius: var(--fd-radius);
  background: var(--color-fd-card);
  overflow-x: auto;
}

.fd-prose .cell_output img {
  background: #fff;
}

/* Responsive -------------------------------------------------------------- */

@media (max-width: 1279px) {
  :root {
    --fd-toc-width: 0px;
    --fd-toc-popover-height: 2.75rem;
  }

  #fd-toc {
    display: none;
  }

  #fd-toc-popover {
    display: block;
  }
}

@media (max-width: 1023px) {
  :root {
    --fd-sidebar-col: 0px;
    --fd-header-height: 3.5rem;
  }

  #fd-layout,
  body[data-layout="notebook"] #fd-layout {
    grid-template:
      "header"
      "toc-popover"
      "main" 1fr
      / minmax(0, 1fr);
  }

  #fd-subnav {
    display: block;
  }

  .fd-sidebar-toggle {
    display: inline-flex;
  }

  #fd-sidebar-restore {
    display: none !important;
  }

  #fd-sidebar,
  html[data-sidebar-collapsed="true"] #fd-sidebar {
    display: flex;
    position: fixed;
    top: var(--fd-row-2);
    inset-inline-start: 0;
    z-index: 26;
    width: var(--fd-sidebar-width);
    max-width: 85vw;
    height: calc(100dvh - var(--fd-row-2));
    background: var(--color-fd-background);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  #fd-sidebar[data-open="true"] {
    transform: translateX(0);
  }

  body[data-layout="notebook"] .fd-sidebar-header,
  body[data-layout="notebook"] .fd-sidebar-header > .fd-search-trigger {
    display: flex;
  }

  /* The top bar already shows the brand, and collapsing is desktop-only. */
  .fd-sidebar-brand-row {
    display: none;
  }

  .fd-sidebar-header {
    padding-top: 0.75rem;
  }

  .fd-nav-links {
    display: none;
  }

  .fd-page {
    padding: 1.5rem 1rem 3rem;
  }

  .fd-pagination {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .fd-sidebar-scrim {
    display: none !important;
  }
}