/* ─── rustdoc theme ─────────────────────────────────────
   Palette and typography follow rustdoc's default light/dark themes
   (see src/librustdoc/html/static/css in rust-lang/rust). */

/* Fonts (bundled under static/fonts/, SIL OFL licensed). */
@font-face {
  font-family: 'Fira Sans';
  font-style: normal;
  font-weight: 400;
  src: local('Fira Sans'), url("fonts/FiraSans-Regular-0fe48ade.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Fira Sans';
  font-style: italic;
  font-weight: 400;
  src: local('Fira Sans Italic'), url("fonts/FiraSans-Italic-81dc35de.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Fira Sans';
  font-style: normal;
  font-weight: 500;
  src: local('Fira Sans Medium'), url("fonts/FiraSans-Medium-e1aa3f0a.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Fira Sans';
  font-style: italic;
  font-weight: 500;
  src: local('Fira Sans Medium Italic'), url("fonts/FiraSans-MediumItalic-ccf7e434.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  src: local('Source Serif 4'), url("fonts/SourceSerif4-Regular-6b053e98.ttf.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: italic;
  font-weight: 400;
  src: local('Source Serif 4 Italic'), url("fonts/SourceSerif4-It-ca3b17ed.ttf.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 500;
  src: local('Source Serif 4 Semibold'), url("fonts/SourceSerif4-Semibold-457a13ac.ttf.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 700;
  src: local('Source Serif 4 Bold'), url("fonts/SourceSerif4-Bold-6d4fd4c0.ttf.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Code Pro';
  font-style: normal;
  font-weight: 400;
  src: url("fonts/SourceCodePro-Regular-8badfe75.ttf.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Code Pro';
  font-style: italic;
  font-weight: 400;
  src: url("fonts/SourceCodePro-It-fc8b9304.ttf.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: 'Source Code Pro';
  font-style: normal;
  font-weight: 600;
  src: url("fonts/SourceCodePro-Semibold-aa29a496.ttf.woff2") format("woff2");
  font-display: swap;
}

:root {
  /* Serif body text is rustdoc's signature look; UI chrome (sidebar, top
     bar, headings, search) uses sans. */
  --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Fira Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-mono: "Source Code Pro", "SFMono-Regular", Consolas, Menlo, monospace;
}

/* Begin theme: light (rustdoc defaults) */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-elevated: #ffffff;
  --bg-sidebar: #f5f5f5;
  --bg-muted: #f5f5f5;
  --bg-sidebar-hover: #e0e0e0;
  --fg: #000000;
  --fg-muted: #717171;
  --border: #e0e0e0;
  --border-strong: #dddddd;
  --accent: #3873ad;
  --accent-strong: #3873ad;
  --accent-soft: #e7f0f7;
  --code-bg: #f5f5f5;
  --deprecated: #cf222e;
  --header-bg: #f5f5f5;
  --header-fg: #000000;
  --signature-bg: #f5f5f5;
  --shadow: 0 1px 2px rgba(0, 0, 0, .08);
  --radius: 2px;
  /* Syntax highlighting (rustdoc light = Tomorrow) */
  --hl-str: #718c00;
  --hl-num: #718c00;
  --hl-kw: #8959a8;
  --hl-op: #8e908c;
  --hl-comment: #8e908c;
  --hl-fn: #ad7c37;
  --hl-class: #ad378a;
  --hl-enum: #ad378a;
  --hl-type: #ad378a;
  --hl-var: #000000;
  --hl-prop: #ad7c37;
  --hl-decorator: #3873ad;
  /* Sidebar kind dots */
  --dot-class: #ad378a;
  --dot-enum: #6e4fc9;
  --dot-alias: #068000;
  --sidebar-link: #356da4;
  --search-focus-border: #66afe9;
  --target-bg: #fdffd3;
  --target-border: #ad7c37;
  --stab-bg: #fff5d6;
}

/* End theme: light */

/* Dark palette. Kept in sync between the explicit [data-theme="dark"] override
     and the system dark preference (used when no explicit light choice exists). */
/* Begin theme: dark (rustdoc defaults) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #353535;
  --bg-elevated: #3c3c3c;
  --bg-sidebar: #505050;
  --bg-muted: #444444;
  --bg-sidebar-hover: #676767;
  --fg: #dddddd;
  --fg-muted: #999999;
  --border: #4a4a4a;
  --border-strong: #999999;
  --accent: #d2991d;
  --accent-strong: #d2991d;
  --accent-soft: rgba(210, 153, 29, .18);
  --code-bg: #2a2a2a;
  --deprecated: #f85149;
  --header-bg: #505050;
  --header-fg: #dddddd;
  --signature-bg: #2a2a2a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  --hl-str: #83a300;
  --hl-num: #83a300;
  --hl-kw: #ab8ac1;
  --hl-op: #8d8d8b;
  --hl-comment: #8d8d8b;
  --hl-fn: #2bab63;
  --hl-class: #2dbfb8;
  --hl-enum: #2dbfb8;
  --hl-type: #2dbfb8;
  --hl-var: #dddddd;
  --hl-prop: #2bab63;
  --hl-decorator: #d2991d;
  --dot-class: #39afd7;
  --dot-enum: #b78cf2;
  --dot-alias: #83a300;
  --sidebar-link: #fdbf35;
  --search-focus-border: #008dfd;
  --target-bg: #494a3d;
  --target-border: #bb7410;
  --stab-bg: #314559;
}

/* End theme: dark */

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #353535;
    --bg-elevated: #3c3c3c;
    --bg-sidebar: #505050;
    --bg-muted: #444444;
    --bg-sidebar-hover: #676767;
    --fg: #dddddd;
    --fg-muted: #999999;
    --border: #4a4a4a;
    --border-strong: #999999;
    --accent: #d2991d;
    --accent-strong: #d2991d;
    --accent-soft: rgba(210, 153, 29, .18);
    --code-bg: #2a2a2a;
    --deprecated: #f85149;
    --header-bg: #505050;
    --header-fg: #dddddd;
    --signature-bg: #2a2a2a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
    --hl-str: #83a300;
    --hl-num: #83a300;
    --hl-kw: #ab8ac1;
    --hl-op: #8d8d8b;
    --hl-comment: #8d8d8b;
    --hl-fn: #2bab63;
    --hl-class: #2dbfb8;
    --hl-enum: #2dbfb8;
    --hl-type: #2dbfb8;
    --hl-var: #dddddd;
    --hl-prop: #2bab63;
    --hl-decorator: #d2991d;
    --dot-class: #39afd7;
    --dot-enum: #b78cf2;
    --dot-alias: #83a300;
    --sidebar-link: #fdbf35;
    --search-focus-border: #008dfd;
    --target-bg: #494a3d;
    --target-border: #bb7410;
    --stab-bg: #314559;
  }
}

* {
  box-sizing: border-box;
}

/* Do NOT cap html/body at viewport height: `height: 100%` on <body> makes it
   exactly 100vh, and a sticky .docbar inside it can only travel within its
   parent's bounds - so the top bar would scroll away as soon as the page is
   taller than the viewport. Let the document flow define the height instead. */
html {
  height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ─── Top bar ─────────────────────────────────────────── */
/* rustdoc's chrome is the same light grey as the sidebar; only a hairline
   border separates it from the page. */
.docbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  color: var(--header-fg);
  border-bottom: 1px solid var(--border-strong);
}

.docbar-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 52px;
  padding: 0 20px;
}

.docbar-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--header-fg);
  white-space: nowrap;
}

.docbar-title:hover {
  text-decoration: none;
  opacity: .85;
}

/* The search box is the visual anchor of the top bar: centered, stretched
   with the viewport up to a readable cap, with an icon and a shortcut hint. */
.search {
  position: relative;
  flex: 1;
  max-width: 640px;
  margin: 0 auto;
  font-family: var(--font-sans);
}

.search input {
  width: 100%;
  height: 34px;
  padding: 0 42px 0 40px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.search input::placeholder {
  color: var(--fg-muted);
}

.search input:focus {
  border-color: var(--search-focus-border);
}

.search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  color: var(--fg-muted);
  pointer-events: none;
}

.search-hint {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  min-width: 20px;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: var(--bg);
  color: var(--fg-muted);
  font-family: inherit;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  pointer-events: none;
}

.search input:focus~.search-hint,
.search input:not(:placeholder-shown)~.search-hint {
  display: none;
}

/* Search results dropdown */
.search-results {
  position: absolute;
  top: 38px;
  left: 0;
  right: 0;
  z-index: 30;
  max-height: 340px;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
  padding: 2px;
}

.search-result {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 2px;
  font-size: 14px;
  color: var(--fg);
}

.search-result:hover {
  background: var(--bg-muted);
  text-decoration: none;
}

.search-result.selected {
  background: var(--accent-soft);
}

.search-result-kind {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 400;
  color: var(--fg-muted);
  min-width: 46px;
}

.search-result-name {
  font-family: var(--font-mono);
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-result-empty {
  padding: 10px;
  color: var(--fg-muted);
  font-size: 13px;
  text-align: center;
}

/* ─── Layout ──────────────────────────────────────────── */
/* Three-column grid: the sidebar hugs the left edge of the screen and the TOC
   the right edge, while the content column is capped and centered inside the
   middle track. Sidebar width matches rustdoc's 200px default. */
.layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: calc(100vh - 52px);
}

.layout:has(.toc) {
  grid-template-columns: 220px minmax(0, 1fr) 200px;
}

/* ─── Sidebar ─────────────────────────────────────────── */
.sidebar {
  font-family: var(--font-sans);
  border-right: 1px solid var(--border-strong);
  background: var(--bg-sidebar);
  overflow-y: auto;
  height: calc(100vh - 52px);
  position: sticky;
  top: 52px;
  padding: 12px 0 24px;
}

.sidebar::-webkit-scrollbar {
  width: 8px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.sidebar-category {
  margin: 0 0 8px;
}

.category-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
  padding: 10px 16px 4px;
}

.category-count {
  font-size: 10px;
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 7px;
  line-height: 16px;
}

.sidebar details {
  margin: 0;
}

.sidebar summary.group-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  padding: 2px 18px;
  user-select: none;
  list-style: none;
  transition: color .12s ease;
}

.sidebar summary.group-label::-webkit-details-marker {
  display: none;
}

.sidebar summary.group-label:hover {
  color: var(--fg);
}

/* Folder expand arrow: a small caret that rotates when the branch opens. */
.group-caret {
  flex-shrink: 0;
  width: 0;
  height: 0;
  border-left: 4px solid currentColor;
  border-top: 3.5px solid transparent;
  border-bottom: 3.5px solid transparent;
  transition: transform .15s ease;
}

.sidebar details[open]>summary.group-label .group-caret {
  transform: rotate(90deg);
}

.sidebar ul {
  list-style: none;
  margin: 0 0 4px;
  padding: 0 0 0 16px;
}

.sidebar li {
  margin: 0;
}

.sidebar details>ul {
  padding-left: 12px;
  border-left: 1px solid var(--border);
  margin-left: 21px;
}

.sidebar details[open]>ul {
  margin-bottom: 2px;
}

/* rustdoc sidebar links are plain blue text on the grey rail; the current
   item is a white slab, hover a slightly darker grey. */
.sidebar a.nav-item {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 26px;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--sidebar-link);
  overflow: hidden;
  transition: background .12s ease, color .12s ease;
}

.sidebar a.nav-item:hover {
  background: var(--bg-sidebar-hover);
  text-decoration: none;
}

.sidebar a.nav-item.active {
  background: var(--bg);
  color: var(--sidebar-link);
  font-weight: 500;
}

.nav-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Kind indicator: a small colored letter badge (C/E/A) on type leaves. */
.kind-badge {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  color: #fff;
  background: var(--fg-muted);
}

.kind-badge.kind-class {
  background: var(--dot-class);
}

.kind-badge.kind-enum {
  background: var(--dot-enum);
}

.kind-badge.kind-alias {
  background: var(--dot-alias);
}

/* ─── Content ─────────────────────────────────────────── */
/* Capped for readability and centered inside the middle grid track, so long
   lines never span an ultrawide monitor. */
.content {
  min-width: 0;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 40px 64px;
}

.content h1.item-title {
  font-size: 30px;
  font-weight: 650;
  margin: 0 0 8px;
}

/* rustdoc section headings use the sans font with a hairline underline. */
.content h2 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 500;
  margin: 28px 0 15px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--border-strong);
}

.lead {
  color: var(--fg-muted);
  margin: 0 0 8px;
}

/* ─── Page header (item pages) ────────────────────────── */
/* Sticky header that stays visible while scrolling long pages: breadcrumb on
   top, kind badge + full name below, frosted-glass backdrop so content slides
   under it. */
.pagehead {
  position: sticky;
  top: 52px;
  z-index: 10;
  margin: -12px -12px 16px;
  padding: 12px 12px 12px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-sans);
}

.pagehead .breadcrumb {
  margin: 0 0 8px;
}

.pagehead-title {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.kind-badge-lg {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  font-size: 14px;
  line-height: 26px;
}

.kind-badge-lg.kind-module {
  background: var(--accent);
}

.kind-badge-lg.kind-global {
  background: var(--hl-num);
}

.pagehead-name {
  margin: 0;
  font-size: 24px;
  font-weight: 500;
  font-family: var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pagehead .meta {
  margin: 6px 0 0;
}

.meta {
  font-size: 13.5px;
  color: var(--fg-muted);
  margin: 4px 0;
}

.meta-label {
  font-weight: 600;
  color: var(--fg);
}

.doc-lead {
  font-size: 16px;
}

.docblock {
  margin: 14px 0;
  color: var(--fg);
  overflow-wrap: break-word;
}

.docblock p {
  margin: 0 0 10px;
}

.docblock p:last-child {
  margin-bottom: 0;
}

.docblock ul,
.docblock ol {
  margin: 0 0 10px;
  padding-left: 22px;
}

.docblock li {
  margin: 2px 0;
}

.docblock code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--code-bg);
  border-radius: 3px;
  padding: 0 4px;
}

.docblock pre.doc-code {
  background: var(--code-bg);
  border-radius: 6px;
  padding: 14px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
}

.docblock pre.doc-code code {
  background: transparent;
  border: none;
  padding: 0;
}

/* Syntax highlighting (code blocks + signatures) */
.hl-str {
  color: var(--hl-str);
}

.hl-num {
  color: var(--hl-num);
}

.hl-kw {
  color: var(--hl-kw);
}

.hl-op {
  color: var(--hl-op);
}

.hl-comment {
  color: var(--hl-comment);
}

.hl-fn {
  color: var(--hl-fn);
}

.hl-class {
  color: var(--hl-class);
}

.hl-enum {
  color: var(--hl-enum);
}

.hl-type {
  color: var(--hl-type);
}

.hl-var {
  color: var(--hl-var);
}

.hl-prop {
  color: var(--hl-prop);
}

.hl-decorator {
  color: var(--hl-decorator);
}

.hl-none {
  color: inherit;
}

/* Member overloads */
.member-overloads {
  margin-top: 8px;
}

.member-overloads .member-signature pre.signature {
  margin-top: 4px;
  opacity: .92;
}

.docblock blockquote {
  margin: 0 0 10px;
  padding: 2px 14px;
  border-left: 3px solid var(--border);
  color: var(--fg-muted);
}

.docblock h1,
.docblock h2,
.docblock h3,
.docblock h4 {
  font-size: 17px;
  margin: 18px 0 8px;
}

.deprecated {
  color: var(--deprecated);
  font-weight: 600;
}

.see {
  color: var(--fg-muted);
  font-size: 14px;
}

.other {
  color: var(--fg-muted);
  font-size: 14px;
}

/* ─── Signatures ──────────────────────────────────────── */
/* rustdoc signatures are plain grey code blocks - no accent bar, no border. */
pre.signature {
  background: var(--signature-bg);
  border-radius: 6px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  margin: 10px 0;
  white-space: pre-wrap;
}

pre.signature code {
  background: transparent;
  padding: 0;
}

pre.signature a {
  color: var(--accent);
}

pre.signature a:hover {
  text-decoration: underline;
}

/* ─── Members (rustdoc-style, always expanded) ────────── */
/* Each member is a plain list entry: a bold signature row followed by its
   indented description. No cards, no collapsing - long pages are scanned by
   the signature column, exactly like rustdoc's Implementations section. */
.section-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 8px;
  line-height: 18px;
  margin-left: 8px;
  vertical-align: 2px;
}

.section-link {
  color: inherit;
}

.section-link:hover {
  color: var(--accent);
  text-decoration: none;
}

.section .member {
  padding: 10px 0 12px;
  border-top: 1px solid var(--border);
}

.section .member:first-of-type {
  border-top: none;
}

.member:target {
  background: var(--target-bg);
  box-shadow: 0 0 0 6px var(--target-bg);
  border-radius: 4px;
}

.member-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.member-signature {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  overflow-x: auto;
  scrollbar-width: none;
}

.member-signature::-webkit-scrollbar {
  display: none;
}

.member-signature pre.signature {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
}

.member-body {
  padding-left: 20px;
}

.member-body .docblock {
  margin: 4px 0 0;
  color: var(--fg-muted);
  font-size: 14px;
}

.member-body .docblock p {
  margin: 0 0 6px;
}

.member-body .docblock p:last-child {
  margin: 0;
}

/* Member detail: parameters / returns as a definition list. The name and its
   type pill sit on one line; the description indents beneath, which reads
   better than a three-column table for prose-heavy docs. */
.member-detail {
  margin-top: 10px;
}

.detail-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.param-list {
  margin: 0;
}

.param-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 16px;
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.param-row:first-child {
  border-top: none;
}

.param-row dt {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
  min-width: 180px;
}

.param-row dt code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--code-bg);
  border-radius: 3px;
  padding: 0 5px;
}

.param-type {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-muted);
}

.param-type a {
  color: var(--accent);
}

.param-row dd {
  flex: 1;
  min-width: 200px;
  margin: 0;
  color: var(--fg);
  font-size: 13.5px;
}

.param-row dd p {
  margin: 0;
}

.param-row dd p+p {
  margin-top: 4px;
}

.param-row dd ul,
.param-row dd ol {
  margin: 0 0 4px;
  padding-left: 20px;
}

.param-row dd code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--code-bg);
  border-radius: 3px;
  padding: 0 4px;
}

/* ─── Index page ──────────────────────────────────────── */
.hero {
  padding: 20px 0 8px;
}

.hero-title {
  font-family: var(--font-sans);
  margin: 0 0 6px;
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -.01em;
}

.hero-lead {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--fg-muted);
}

.hero-search-hint {
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--fg-muted);
}

.hero-search-hint kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--bg-muted);
  color: var(--fg);
  font-family: inherit;
  font-size: 11.5px;
  line-height: 17px;
  text-align: center;
}

/* Letter quick-jump bar: sticky within the section so long listings stay
   navigable without scrolling back up. */
.letter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin: 0 0 14px;
  padding: 6px 4px;
  position: sticky;
  top: 52px;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.letter-bar a {
  min-width: 24px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  color: var(--fg-muted);
}

.letter-bar a:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
  text-decoration: none;
}

/* Index groups are plain text columns in rustdoc's "all items" pages; keep
   them flat - no card chrome, no hover shadows. */
.index-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
}

.index-group {
  min-width: 200px;
  flex: 1 1 200px;
  max-width: 300px;
  scroll-margin-top: 112px;
}

.index-group:target .index-letter {
  border-bottom-color: var(--accent);
}

.index-letter {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 5px;
  margin-bottom: 7px;
}

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

.index-list li {
  margin: 1px 0;
}

.index-list a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 2px 0;
  font-size: 13.5px;
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.index-list a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* ─── Icon buttons (theme / drawer toggle) ───────────── */
/* rustdoc toolbar buttons are borderless until hovered. */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: var(--header-fg);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}

.icon-btn:hover {
  border-color: var(--border-strong);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

#sidebar-toggle {
  display: none;
}

#theme-toggle .icon-sun {
  display: none;
}

#theme-toggle.is-dark .icon-sun {
  display: block;
}

#theme-toggle.is-dark .icon-moon {
  display: none;
}

/* ─── Anchors, scroll offset ──────────────────────────── */
.section,
.member {
  scroll-margin-top: 128px;
}

/* Deep-linked member: auto-opened by a tiny script; this highlights it. */
.member:target {
  background: var(--target-bg);
  border-right: 3px solid var(--target-border);
}

/* Deprecated emphasis */
.member.is-deprecated>.member-head .member-signature {
  opacity: .75;
}

/* rustdoc renders stability badges as soft-highlighted "stab" chips rather
   than solid red pills. */
.deprecated-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg);
  background: var(--stab-bg);
  border-radius: 3px;
  padding: 1px 7px;
  margin-right: 6px;
  vertical-align: 1px;
}

/* ─── Breadcrumb ──────────────────────────────────────── */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 7px;
  margin: 0 0 14px;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--fg-muted);
}

.breadcrumb a {
  color: var(--fg-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  opacity: .6;
}

.breadcrumb .crumb-current {
  color: var(--fg);
  font-weight: 600;
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

/* ─── Stat cards (index page) ─────────────────────────── */
.stat-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 6px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 130px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-elevated);
  color: var(--fg);
  font-family: var(--font-sans);
  transition: border-color .15s ease;
}

.stat-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.stat-num {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--fg-muted);
}

/* ─── Copy button ─────────────────────────────────────── */
.code-wrap {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 7px;
  right: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--fg-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s ease, color .15s ease, border-color .15s ease;
}

.code-wrap:hover .copy-btn,
.copy-btn:focus-visible {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.copy-btn.copied {
  color: var(--dot-alias);
  border-color: var(--dot-alias);
  opacity: 1;
}

.copy-btn svg {
  width: 14px;
  height: 14px;
}

@media (hover: none) {
  .copy-btn {
    opacity: 1;
  }
}

/* ─── On-this-page TOC ────────────────────────────────── */
.toc {
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
  overflow-y: auto;
  padding: 32px 20px 64px 4px;
  font-size: 13px;
  font-family: var(--font-sans);
}

.toc-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
  margin-bottom: 6px;
  padding-left: 12px;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--border);
}

.toc-list a {
  display: block;
  padding: 3px 12px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--fg-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toc-list a:hover {
  color: var(--fg);
  text-decoration: none;
}

.toc-list a.active {
  color: var(--accent-strong);
  border-left-color: var(--accent);
  font-weight: 600;
}

.toc-sub a {
  padding-left: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
}

@media (max-width: 1200px) {
  .toc {
    display: none;
  }

  .layout,
  .layout:has(.toc) {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

/* Search match highlighting */
.search-result mark {
  background: transparent;
  color: var(--accent-strong);
  font-weight: 700;
}

/* ─── Sidebar drawer (mobile) ─────────────────────────── */
#sidebar-backdrop {
  position: fixed;
  inset: 52px 0 0 0;
  z-index: 35;
  background: rgba(0, 0, 0, .45);
}

#sidebar-backdrop[hidden] {
  display: none;
}

/* ─── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  #sidebar-toggle {
    display: inline-flex;
  }

  .docbar-inner {
    gap: 10px;
    padding: 0 12px;
  }

  .search input {
    height: 34px;
  }

  .layout,
  .layout:has(.toc) {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 52px;
    bottom: 0;
    width: 240px;
    z-index: 40;
    height: auto;
    transform: translateX(-102%);
    transition: transform .2s ease;
    background: var(--bg-sidebar);
  }

  body.drawer-open .sidebar {
    transform: translateX(0);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .3);
  }

  .content {
    padding: 20px 16px 48px;
  }

  .pagehead {
    top: 52px;
  }

  .pagehead-name {
    font-size: 20px;
  }
}

/* ─── Print ───────────────────────────────────────────── */
@media print {

  .docbar,
  .sidebar,
  .toc,
  .copy-btn,
  .pagehead .breadcrumb,
  #sidebar-backdrop {
    display: none !important;
  }

  .pagehead {
    position: static;
    background: none;
    backdrop-filter: none;
    border-bottom: none;
  }

  /* Expand every member so printouts contain the full documentation. */
  .member-body {
    display: block !important;
  }

  .member>.member-head .group-caret {
    display: none;
  }

  .content {
    padding: 0;
    max-width: none;
  }

  .section .member {
    break-inside: avoid;
  }
}