:root {
  color-scheme: light dark;
  --bg: #f6f8fb;
  --page: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --surface-raised: #ffffff;
  --border: #d9e2ec;
  --border-soft: #e7edf4;
  --text: #1d2939;
  --heading: #101828;
  --muted: #5f6f82;
  --muted-soft: #8391a3;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #e5f5f2;
  --code-bg: #111827;
  --code-head: #0b1220;
  --code-text: #edf2f7;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 18px 42px rgb(16 24 40 / 8%);
  --sidebar-width: 304px;
  --scrollbar-track: transparent;
  --scrollbar-thumb: #b7c2cf;
  --scrollbar-thumb-hover: #8492a4;
  --brand-mark-bg: var(--surface-soft);
  --brand-mark-border: var(--border);
  --brand-logo-filter: none;
  --button-primary-border: var(--heading);
  --button-primary-bg: var(--heading);
  --button-primary-text: var(--page);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141a22;
    --page: #17202a;
    --surface: #1c2733;
    --surface-soft: #233140;
    --surface-raised: #1f2c39;
    --border: #334356;
    --border-soft: #2a394b;
    --text: #d8e2ec;
    --heading: #f3f7fb;
    --muted: #abb8c8;
    --muted-soft: #8997a9;
    --accent: #5ee0d2;
    --accent-strong: #8de9df;
    --accent-soft: #163a36;
    --code-bg: #0d141e;
    --code-head: #141d2a;
    --code-text: #eef5ff;
    --shadow: none;
    --scrollbar-track: transparent;
    --scrollbar-thumb: #536273;
    --scrollbar-thumb-hover: #748397;
    --brand-mark-bg: #dce8ee;
    --brand-mark-border: #33475c;
    --brand-logo-filter: saturate(1.18) contrast(1.08) brightness(1.08);
    --button-primary-border: #edf2f7;
    --button-primary-bg: #edf2f7;
    --button-primary-text: #101828;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
.sidebar > nav::-webkit-scrollbar,
.mobile-nav-panel > nav::-webkit-scrollbar,
pre::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
.sidebar > nav::-webkit-scrollbar-track,
.mobile-nav-panel > nav::-webkit-scrollbar-track,
pre::-webkit-scrollbar-track {
  background: transparent;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
.sidebar > nav::-webkit-scrollbar-thumb,
.mobile-nav-panel > nav::-webkit-scrollbar-thumb,
pre::-webkit-scrollbar-thumb {
  min-height: 48px;
  border: 3px solid transparent;
  border-radius: 999px;
  background: color-mix(in srgb, var(--scrollbar-thumb) 78%, transparent);
  background-clip: content-box;
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover,
.sidebar > nav::-webkit-scrollbar-thumb:hover,
.mobile-nav-panel > nav::-webkit-scrollbar-thumb:hover,
pre::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--scrollbar-thumb-hover) 88%, transparent);
  background-clip: content-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 10%, transparent), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
  transition: color 140ms ease, text-decoration-color 140ms ease;
}

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

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  padding: 24px 18px 0;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--page) 94%, transparent);
  backdrop-filter: blur(18px);
}

.sidebar > nav {
  flex: 1;
  overflow-y: auto;
  padding: 22px 8px 28px 0;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

.brand-bar {
  flex: 0 0 auto;
  margin: -24px -18px 0;
  padding: 0 18px;
  border-bottom: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--page) 96%, transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  max-width: 100%;
  padding: 24px 0 20px;
  color: var(--heading);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 76px;
  height: 44px;
  border: 1px solid var(--brand-mark-border);
  border-radius: 10px;
  background: var(--brand-mark-bg);
  color: var(--accent-strong);
  font-weight: 800;
  overflow: hidden;
}

.brand-logo,
.brand-mark img {
  display: block;
  width: 70px;
  height: 38px;
  object-fit: contain;
  object-position: center;
  filter: var(--brand-logo-filter);
}

.brand strong,
.mobile-nav-title strong {
  display: block;
  color: var(--heading);
  font-size: 15px;
  line-height: 1.2;
}

.brand small,
.mobile-nav-title small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav-group {
  margin: 0 0 26px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
}

.nav-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.nav-group h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0 10px;
  color: color-mix(in srgb, var(--accent-strong) 58%, var(--muted-soft));
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nav-group h2::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  opacity: .7;
}

.nav-link {
  display: block;
  margin: 3px 0;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 560;
  border-left: 2px solid transparent;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.nav-link:hover {
  background: var(--surface-soft);
  color: var(--heading);
}

.nav-link.is-active {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  color: var(--accent-strong);
  font-weight: 760;
}

.nav-subgroup {
  margin: 12px 4px 4px 12px;
  padding: 10px 8px 8px 12px;
  border: 1px solid color-mix(in srgb, var(--border-soft) 82%, transparent);
  border-left: 2px solid color-mix(in srgb, var(--accent) 42%, var(--border-soft));
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-soft) 34%, transparent);
}

.nav-subtitle {
  display: block;
  margin: 0 0 7px;
  padding: 0 2px;
  color: color-mix(in srgb, var(--accent-strong) 40%, var(--muted-soft));
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.nav-subgroup .nav-link {
  margin: 2px 0;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 620;
}

.nav-subgroup .nav-link:hover {
  background: color-mix(in srgb, var(--surface-soft) 78%, transparent);
}

.nav-subgroup .nav-link.is-active {
  background: color-mix(in srgb, var(--accent-soft) 82%, transparent);
  border-left-color: var(--accent);
}

.mobile-header,
.mobile-nav {
  display: none;
}

.content {
  width: min(100%, 1080px);
  padding: 44px 56px 76px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--heading);
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: 44px;
  line-height: 1.12;
}

h2 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
}

h3 {
  margin: 24px 0 8px;
  font-size: 20px;
  line-height: 1.3;
}

p {
  margin: 0 0 16px;
  line-height: 1.76;
}

.lead {
  max-width: 780px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 9px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 760;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease;
}

.button.primary {
  border: 1px solid var(--button-primary-border);
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
}

.button.secondary {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--heading);
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}


.sections {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

.intro-copy {
  display: grid;
  max-width: 820px;
  gap: 12px;
}

.intro-copy p {
  margin: 0;
  color: var(--muted);
}

.intro-copy + .section {
  margin-top: 4px;
}

.section > p,
.section > ul,
.section > ol {
  max-width: 820px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card strong {
  display: block;
  margin-bottom: 7px;
  color: var(--heading);
}

.card span {
  color: var(--muted);
}

a.card {
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

a.card:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.callout {
  max-width: 860px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--text);
}

.callout strong {
  color: var(--heading);
}

.code-card {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--code-bg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--code-head);
}

.code-head span {
  color: var(--muted-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}

.copy-button {
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 5px 9px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.copy-button:hover,
.copy-button.is-copied {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--heading);
}

pre {
  margin: 0;
  overflow: auto;
  padding: 18px 20px 20px;
  color: var(--code-text);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.75;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

code {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: .94em;
}

p code,
li code,
span code {
  padding: .1em .32em;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-soft);
  color: var(--heading);
}

.tok-keyword { color: #c4b5fd; font-weight: 650; }
.tok-string { color: #86efac; }
.tok-number { color: #fdba74; }
.tok-function { color: #93c5fd; }
.tok-property { color: #f0abfc; }
.tok-comment { color: #94a3b8; }
.tok-type { color: #67e8f9; }
.tok-annotation { color: #f9a8d4; }

.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.pager a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--heading);
  text-decoration: none;
  font-weight: 700;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease;
}

.pager a:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.pager a:active {
  transform: translateY(0);
}

.pager a:focus-visible,
.button:focus-visible,
.copy-button:focus-visible,
.nav-link:focus-visible,
a.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .shell {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    height: 58px;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--page) 92%, transparent);
    backdrop-filter: blur(14px);
  }

  .mobile-header a {
    color: var(--heading);
    text-decoration: none;
    font-weight: 800;
  }

  .mobile-header button,
  .mobile-nav button {
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 7px 10px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
  }

  .mobile-nav.is-open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 30;
  }

  .mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    min-height: 100%;
    border: 0;
    border-radius: 0;
    padding: 0;
    background: rgb(8 13 22 / 48%);
    cursor: default;
  }

  .mobile-nav-panel {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: min(330px, 86vw);
    min-height: 100%;
    max-height: 100vh;
    overflow: hidden;
    padding: 22px 18px 0;
    border-right: 1px solid var(--border);
    background: var(--page);
  }

  .mobile-nav-panel > nav {
    flex: 1;
    overflow-y: auto;
    padding: 22px 0 28px;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    scrollbar-width: thin;
  }

  .mobile-nav-top {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: -22px -18px 0;
    padding: 22px 18px 16px;
    border-bottom: 1px solid var(--border-soft);
    background: var(--page);
  }

  .content {
    width: auto;
    padding: 36px 22px 64px;
  }

  h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 17px;
  }

  .sections {
    gap: 30px;
    margin-top: 34px;
  }

  pre {
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Manual theme overrides. Theme colors are defined only through variables. */
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f8fb;
  --page: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --surface-raised: #ffffff;
  --border: #d9e2ec;
  --border-soft: #e7edf4;
  --text: #1d2939;
  --heading: #101828;
  --muted: #5f6f82;
  --muted-soft: #8391a3;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #e5f5f2;
  --code-bg: #111827;
  --code-head: #0b1220;
  --code-text: #edf2f7;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 18px 42px rgb(16 24 40 / 8%);
  --sidebar-width: 304px;
  --scrollbar-track: transparent;
  --scrollbar-thumb: #b7c2cf;
  --scrollbar-thumb-hover: #8492a4;
  --brand-mark-bg: var(--surface-soft);
  --brand-mark-border: var(--border);
  --brand-logo-filter: none;
  --button-primary-border: var(--heading);
  --button-primary-bg: var(--heading);
  --button-primary-text: var(--page);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #141a22;
  --page: #17202a;
  --surface: #1c2733;
  --surface-soft: #233140;
  --surface-raised: #1f2c39;
  --border: #334356;
  --border-soft: #2a394b;
  --text: #d8e2ec;
  --heading: #f3f7fb;
  --muted: #abb8c8;
  --muted-soft: #8997a9;
  --accent: #5ee0d2;
  --accent-strong: #8de9df;
  --accent-soft: #163a36;
  --code-bg: #0d141e;
  --code-head: #141d2a;
  --code-text: #eef5ff;
  --shadow: none;
  --sidebar-width: 304px;
  --scrollbar-track: transparent;
  --scrollbar-thumb: #536273;
  --scrollbar-thumb-hover: #748397;
  --brand-mark-bg: #dce8ee;
  --brand-mark-border: #33475c;
  --brand-logo-filter: saturate(1.18) contrast(1.08) brightness(1.08);
  --button-primary-border: #edf2f7;
  --button-primary-bg: #edf2f7;
  --button-primary-text: #101828;
}

.theme-toggle,
.mobile-nav button.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: calc(100% - 8px);
  margin: 14px 4px 0;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
}

.theme-toggle:hover,
.mobile-nav button.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.theme-toggle:focus-visible,
.mobile-nav button.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.theme-toggle-track {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-soft);
}

.theme-toggle-thumb {
  position: absolute;
  top: 50%;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--accent-strong);
  transform: translateY(-50%);
  transition:
    transform 140ms ease,
    background-color 140ms ease;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-thumb {
  transform: translate(16px, -50%);
}

.theme-toggle-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-nav-heading {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.mobile-nav-heading .theme-toggle,
.mobile-nav-heading button.theme-toggle {
  width: auto;
  margin: 0;
}

.mobile-nav-top {
  align-items: flex-start;
  gap: 14px;
}

:root.theme-switching,
:root.theme-switching *,
:root.theme-switching *::before,
:root.theme-switching *::after {
  transition: none !important;
  animation: none !important;
}