:root {
  --sidebar-width: 300px;
  --sidebar-bg: #333f67;
  --sidebar-text: #d4e1f2;
  --sidebar-muted: #9fb3cf;
  --sidebar-section: #ff6f7f;
  --sidebar-section-open: #47446a;
  --sidebar-expanded: #212d51;
  --sidebar-current: #182343;
  --sidebar-hover: #2a3659;
  --sidebar-icon: #7999ba;
  --page-bg: #efefef;
  --content-bg: #fcfcfc;
  --text: #404040;
  --heading: #333333;
  --muted: #6b6f7b;
  --link: #2a8bc9;
  --link-hover: #1c6fa6;
  --border: #e1e1e1;
  --code-frame: #e6e6e6;
  --code-bg: #f0f0f0;
  --code-text: #2e2e38;
  --inline-code-bg: #eceef3;
  --inline-code-text: #c7254e;
  --tab-accent: #8a9378;
  --table-head: #f2f3f6;
  --table-stripe: #f7f8fa;
  --note-bg: #e7f2fa;
  --note-edge: #6ab0de;
  --note-title: #2e6f9e;
  --tip-bg: #e8f6ee;
  --tip-edge: #4fb57e;
  --tip-title: #2b7d52;
  --warn-bg: #fff4e5;
  --warn-edge: #f0b37e;
  --warn-title: #a0621b;
  --tok-keyword: #e82282;
  --tok-function: #0096b0;
  --tok-builtin: #742ec5;
  --tok-string: #b98500;
  --tok-number: #d4631b;
  --tok-type: #2f7d5b;
  --tok-literal: #d02d6b;
  --tok-comment: #8a8f98;
  --tok-meta: #5a6bbf;
  --tok-property: #1f6fb2;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page-bg: #1b1e2c;
    --content-bg: #232738;
    --text: #d3d8e6;
    --heading: #f1f3f9;
    --muted: #9aa3ba;
    --link: #6cb8f5;
    --link-hover: #9dd0fa;
    --border: #353a50;
    --code-frame: #1b1f2e;
    --code-bg: #1f2334;
    --code-text: #e1e5f0;
    --inline-code-bg: #2d3247;
    --inline-code-text: #ff93b0;
    --tab-accent: #ff6f7f;
    --table-head: #2b3045;
    --table-stripe: #272b3e;
    --note-bg: #22324a;
    --note-edge: #4f8fc4;
    --note-title: #8cc4f2;
    --tip-bg: #1f3a31;
    --tip-edge: #3f9f6f;
    --tip-title: #8ee0b3;
    --warn-bg: #3d3122;
    --warn-edge: #c98a45;
    --warn-title: #f3c283;
    --tok-keyword: #ff6ea8;
    --tok-function: #4fd6ee;
    --tok-builtin: #b894ff;
    --tok-string: #f1c35b;
    --tok-number: #ff9f5e;
    --tok-type: #72d9a4;
    --tok-literal: #ff7a9c;
    --tok-comment: #7d859c;
    --tok-meta: #94a3ff;
    --tok-property: #7cc3ff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --page-bg: #1b1e2c;
  --content-bg: #232738;
  --text: #d3d8e6;
  --heading: #f1f3f9;
  --muted: #9aa3ba;
  --link: #6cb8f5;
  --link-hover: #9dd0fa;
  --border: #353a50;
  --code-frame: #1b1f2e;
  --code-bg: #1f2334;
  --code-text: #e1e5f0;
  --inline-code-bg: #2d3247;
  --inline-code-text: #ff93b0;
  --tab-accent: #ff6f7f;
  --table-head: #2b3045;
  --table-stripe: #272b3e;
  --note-bg: #22324a;
  --note-edge: #4f8fc4;
  --note-title: #8cc4f2;
  --tip-bg: #1f3a31;
  --tip-edge: #3f9f6f;
  --tip-title: #8ee0b3;
  --warn-bg: #3d3122;
  --warn-edge: #c98a45;
  --warn-title: #f3c283;
  --tok-keyword: #ff6ea8;
  --tok-function: #4fd6ee;
  --tok-builtin: #b894ff;
  --tok-string: #f1c35b;
  --tok-number: #ff9f5e;
  --tok-type: #72d9a4;
  --tok-literal: #ff7a9c;
  --tok-comment: #7d859c;
  --tok-meta: #94a3ff;
  --tok-property: #7cc3ff;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 16px;
}

body {
  margin: 0;
  background: var(--content-bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  z-index: 30;
}

.brand {
  padding: 18px 18px 14px;
  background: var(--sidebar-current);
  text-align: center;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
}

.brand-link:hover {
  text-decoration: none;
  color: #ffffff;
}

.brand-icon {
  width: 46px;
  height: 46px;
}

.brand-word {
  width: 74px;
  height: 46px;
  color: #ffffff;
}

.brand-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 6px 0 12px;
  font-size: 13px;
  color: var(--sidebar-muted);
}

.version {
  padding: 1px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
}

.theme-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--sidebar-text);
  cursor: pointer;
}

.theme-button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.theme-button svg {
  width: 16px;
  height: 16px;
}

.search input {
  width: 100%;
  padding: 7px 14px;
  border: 1px solid #2a3455;
  border-radius: 50px;
  background: #fcfcfc;
  color: #333333;
  font: inherit;
  font-size: 14px;
  outline: none;
}

.search input:focus {
  border-color: var(--sidebar-section);
  box-shadow: 0 0 0 3px rgba(255, 111, 127, 0.25);
}

.toc {
  flex: 1;
  overflow-y: auto;
  padding: 10px 0 40px;
  font-size: 15px;
  scrollbar-width: thin;
  scrollbar-color: #56628a transparent;
}

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

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 0;
  padding: 10px 20px;
  border: 0;
  background: none;
  color: var(--sidebar-section);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}

.section-title:hover {
  background: var(--sidebar-hover);
}

.section.open > .section-title {
  background: var(--sidebar-section-open);
}

.chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
  flex: none;
}

.section.open > .section-title .chevron {
  transform: rotate(45deg) translate(-2px, -1px);
}

.section > ul {
  display: none;
  padding-bottom: 6px;
}

.section.open > ul {
  display: block;
}

.toc a {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 16px 5px 12px;
  color: var(--sidebar-text);
  line-height: 1.4;
}

.toc a:hover {
  background: var(--sidebar-hover);
  color: #ffffff;
  text-decoration: none;
}

.toggle {
  position: relative;
  flex: none;
  width: 11px;
  height: 11px;
  margin-top: 4px;
  border: 1px solid var(--sidebar-icon);
  border-radius: 1px;
}

.toggle::before,
.toggle::after {
  content: "";
  position: absolute;
  background: var(--sidebar-icon);
}

.toggle::before {
  left: 2px;
  right: 2px;
  top: 4px;
  height: 1px;
}

.toggle::after {
  top: 2px;
  bottom: 2px;
  left: 4px;
  width: 1px;
}

.page-item.expanded > a .toggle::after {
  display: none;
}

.page-item.expanded {
  background: var(--sidebar-expanded);
}

.page-item.current > a {
  background: var(--sidebar-current);
  color: #ffffff;
  font-weight: 600;
}

.page-item .page-item > a {
  padding-left: 30px;
}

.page-item .page-item .page-item > a {
  padding-left: 48px;
}

.headings a {
  display: block;
  padding: 5px 16px 5px 37px;
  color: var(--sidebar-text);
  font-size: 14.5px;
}

.page-item .page-item .headings a {
  padding-left: 55px;
}

.headings a.active {
  background: var(--sidebar-current);
  color: #ffffff;
}

.overlay {
  display: none;
}

.main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  background: var(--content-bg);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 56px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 26px 48px 60px;
}

.page {
  min-width: 0;
}

.rail {
  min-width: 0;
}

.rail-inner {
  position: sticky;
  top: 26px;
  max-height: calc(100vh - 52px);
  overflow-y: auto;
  padding: 2px 0 2px 18px;
  border-left: 1px solid var(--border);
  font-size: 14px;
  scrollbar-width: thin;
}

.rail-title {
  margin: 0 0 10px;
  color: var(--heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.rail-list a {
  display: block;
  padding: 3px 0;
  color: var(--muted);
  line-height: 1.4;
}

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

.rail-list .level-3 a {
  padding-left: 14px;
  font-size: 13.5px;
}

.rail-list a.active {
  color: var(--link);
  font-weight: 600;
}

.rail-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.rail-links a {
  color: var(--muted);
}

.rail-links a:hover {
  color: var(--link);
}

.rail.empty .rail-title,
.rail.empty .rail-list {
  display: none;
}

.rail.empty .rail-links {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

@media (min-width: 1800px) {
  body {
    font-size: 17px;
  }

  .layout {
    max-width: 1600px;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 72px;
  }
}

@media (max-width: 1279px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 1060px;
    margin: 0;
  }

  .rail {
    display: none;
  }
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

.crumbs .trail span + span::before {
  content: "\00bb";
  margin: 0 8px;
  color: var(--muted);
}

.content {
  overflow-wrap: break-word;
}

.content h1,
.content h2,
.content h3,
.content h4 {
  position: relative;
  color: var(--heading);
  font-weight: 600;
  line-height: 1.3;
}

.content h1 {
  margin: 0 0 18px;
  font-size: 34px;
  font-weight: 700;
}

.content h2 {
  margin: 38px 0 14px;
  font-size: 26px;
}

.content h3 {
  margin: 30px 0 10px;
  font-size: 20px;
}

.content h4 {
  margin: 24px 0 8px;
  font-size: 17px;
}

.anchor {
  margin-left: 8px;
  color: var(--muted);
  font-weight: 400;
  opacity: 0;
  text-decoration: none;
}

.content h1:hover .anchor,
.content h2:hover .anchor,
.content h3:hover .anchor,
.content h4:hover .anchor {
  opacity: 1;
}

.anchor:hover {
  text-decoration: none;
}

.content p {
  margin: 0 0 18px;
}

.content ul,
.content ol {
  margin: 0 0 18px;
  padding-left: 26px;
}

.content li {
  margin: 4px 0;
}

.content li > ul,
.content li > ol {
  margin: 4px 0;
}

.content li > p {
  margin-bottom: 8px;
}

.content img {
  max-width: 100%;
}

.content hr {
  margin: 30px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.content blockquote {
  margin: 0 0 18px;
  padding: 2px 0 2px 24px;
}

.content :not(pre) > code {
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--inline-code-bg);
  color: var(--inline-code-text);
  font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
  font-size: 0.86em;
  overflow-wrap: anywhere;
}

.content a code {
  color: var(--link);
}

.content table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin: 0 0 22px;
  border-collapse: collapse;
  font-size: 15px;
}

.content th,
.content td {
  padding: 8px 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.content th {
  background: var(--table-head);
  color: var(--heading);
  font-weight: 600;
}

.content tbody tr:nth-child(even) {
  background: var(--table-stripe);
}

.content td code {
  white-space: nowrap;
}

.code-box {
  position: relative;
  margin: 0 0 22px;
  padding: 6px;
  background: var(--code-frame);
}

.code-box pre,
.code-tabs pre {
  margin: 0;
  padding: 14px 18px;
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
  font-size: 14px;
  line-height: 1.6;
  tab-size: 4;
}

.code-tabs {
  position: relative;
  margin: 0 0 22px;
}

.tab-bar {
  display: flex;
  flex-wrap: wrap;
}

.tab {
  padding: 8px 20px;
  border: 0;
  border-top: 3px solid transparent;
  background: transparent;
  color: var(--link);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.tab:hover {
  color: var(--link-hover);
}

.tab.active {
  border-top-color: var(--tab-accent);
  background: var(--code-frame);
}

.tab-panels {
  padding: 6px;
  background: var(--code-frame);
}

.tab-panel {
  display: none;
  position: relative;
}

.tab-panel.active {
  display: block;
}

.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--content-bg);
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.code-box:hover .copy,
.tab-panel:hover .copy,
.copy:focus {
  opacity: 1;
}

.label {
  position: absolute;
  top: 10px;
  right: 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  pointer-events: none;
}

.code-box:hover .label {
  opacity: 0;
}

.tok-keyword {
  color: var(--tok-keyword);
}

.tok-function {
  color: var(--tok-function);
}

.tok-builtin {
  color: var(--tok-builtin);
}

.tok-string {
  color: var(--tok-string);
}

.tok-number {
  color: var(--tok-number);
}

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

.tok-literal {
  color: var(--tok-literal);
}

.tok-comment {
  color: var(--tok-comment);
  font-style: italic;
}

.tok-meta {
  color: var(--tok-meta);
}

.tok-property {
  color: var(--tok-property);
}

.tok-folder {
  color: var(--tok-property);
  font-weight: 600;
}

.tok-branch {
  color: var(--tok-comment);
}

.callout {
  margin: 0 0 22px;
  padding: 12px 18px;
  border-left: 4px solid var(--note-edge);
  background: var(--note-bg);
}

.callout-title {
  margin: 0 0 6px;
  color: var(--note-title);
  font-weight: 700;
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout.tip {
  border-left-color: var(--tip-edge);
  background: var(--tip-bg);
}

.callout.tip .callout-title {
  color: var(--tip-title);
}

.callout.warning {
  border-left-color: var(--warn-edge);
  background: var(--warn-bg);
}

.callout.warning .callout-title {
  color: var(--warn-title);
}

.inherits {
  margin: -6px 0 22px;
  color: var(--muted);
  font-size: 15px;
}

.inherits a {
  font-weight: 600;
}

.inherits .sep {
  margin: 0 6px;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.pager a {
  display: flex;
  flex-direction: column;
  max-width: 48%;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.pager a:hover {
  border-color: var(--link);
  text-decoration: none;
}

.pager .next {
  margin-left: auto;
  text-align: right;
}

.pager small {
  color: var(--muted);
  font-size: 13px;
}

.footer {
  margin-top: 30px;
  color: var(--muted);
  font-size: 13px;
}

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

.results li {
  margin: 0 0 18px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--border);
}

.results .where {
  color: var(--muted);
  font-size: 13px;
}

.results .snippet {
  margin: 4px 0 0;
  font-size: 15px;
}

.results mark {
  padding: 0;
  border-radius: 2px;
  background: rgba(255, 111, 127, 0.25);
  color: inherit;
}

.notice {
  padding: 16px 20px;
  border-left: 4px solid var(--warn-edge);
  background: var(--warn-bg);
}

.loading {
  color: var(--muted);
}

.topbar {
  display: none;
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 70px;
  }

  body {
    font-size: 16px;
  }

  body.menu-open {
    overflow: hidden;
  }

  .topbar {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    height: 54px;
    padding: 0 10px;
    background: var(--sidebar-current);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    z-index: 20;
  }

  .topbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .topbar-brand:hover {
    text-decoration: none;
  }

  .search-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: auto;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
  }

  .search-button svg {
    width: 22px;
    height: 22px;
  }

  .search-button:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .sidebar {
    width: min(var(--sidebar-width), 86vw);
    visibility: hidden;
    transition: transform 0.2s ease, visibility 0.2s;
  }

  body.menu-open .sidebar {
    visibility: visible;
    box-shadow: 4px 0 18px rgba(0, 0, 0, 0.35);
  }

  .toc a,
  .headings a {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .layout {
    padding: 18px 16px 48px;
  }

  .crumbs {
    font-size: 13px;
  }

  .code-box pre,
  .code-tabs pre {
    padding: 12px 14px;
    font-size: 13px;
  }

  .code-box,
  .tab-panels {
    padding: 4px;
    margin-left: -4px;
    margin-right: -4px;
  }

  .tab-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tab {
    flex: none;
    padding: 8px 14px;
  }

  .copy,
  .label {
    display: none;
  }

  .content th,
  .content td {
    padding: 7px 10px;
  }

  .content table {
    font-size: 14px;
  }

  .topbar-brand img {
    width: 30px;
    height: 30px;
  }

  .topbar-brand svg {
    width: 50px;
    height: 30px;
    color: #ffffff;
  }

  .menu-button {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 8px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
  }

  .menu-button span {
    display: block;
    height: 2px;
    background: #ffffff;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  body.menu-open .sidebar {
    transform: none;
  }

  body.menu-open .overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 25;
  }

  .main {
    margin-left: 0;
  }

  .page {
    padding: 20px 16px 50px;
  }

  .content h1 {
    font-size: 28px;
  }

  .content h2 {
    font-size: 23px;
  }

  .pager {
    flex-direction: column;
  }

  .pager a {
    max-width: 100%;
  }
}