:root {
  --bg: #ffffff;
  --bg-muted: #fafafa;
  --fg: #171717;
  --fg-muted: #666666;
  --border: #eaeaea;
  --accent: #0070f3;
  --code-bg: #f4f4f5;
  --nav-w: 16rem;
  --toc-w: 14rem;
  --top-h: 3.5rem;
  --font:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial,
    sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-theme='dark'] {
  --bg: #000000;
  --bg-muted: #0a0a0a;
  --fg: #ededed;
  --fg-muted: #a1a1a1;
  --border: #262626;
  --accent: #3291ff;
  --code-bg: #111111;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #000000;
    --bg-muted: #0a0a0a;
    --fg: #ededed;
    --fg-muted: #a1a1a1;
    --border: #262626;
    --accent: #3291ff;
    --code-bg: #111111;
    color-scheme: dark;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: calc(var(--top-h) + 1rem);
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* top bar */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--top-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
}
.top .brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.top .brand img {
  display: block;
  width: auto;
  height: 40px;
}
.top .search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg-muted);
  background: var(--bg-muted);
  font-size: 13px;
  min-width: 14rem;
}
.top .search kbd {
  margin-left: auto;
  font-family: var(--font);
  font-size: 11px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 0.3rem;
}
.top .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--fg);
  background: none;
  cursor: pointer;
}
.top .icon:hover {
  background: var(--bg-muted);
  text-decoration: none;
}
.top .menu {
  display: none;
}

/* layout */
.shell {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr) var(--toc-w);
  max-width: 90rem;
  margin: 0 auto;
}
nav.side {
  position: sticky;
  top: var(--top-h);
  height: calc(100vh - var(--top-h));
  overflow-y: auto;
  padding: 1.5rem 1rem 3rem 1.25rem;
  border-right: 1px solid var(--border);
  font-size: 14px;
}
nav.side h4 {
  margin: 1.25rem 0 0.4rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
nav.side h4:first-child {
  margin-top: 0;
}
nav.side ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
nav.side li a {
  display: block;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  color: var(--fg-muted);
}
nav.side li a:hover {
  color: var(--fg);
  background: var(--bg-muted);
  text-decoration: none;
}
nav.side li a[aria-current='page'] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  font-weight: 500;
}
nav.side code {
  font-size: 13px;
  background: none;
  padding: 0;
}

main {
  padding: 2.5rem 3rem 5rem;
  min-width: 0;
}
.crumbs {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 0.75rem;
}
.crumbs span + span::before {
  content: '/';
  margin: 0 0.5rem;
  color: var(--border);
}
main h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}
main .lead {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin: 0 0 2rem;
}
main h2 {
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem;
  padding-top: 0.5rem;
}
main h3 {
  font-size: 1.1rem;
  margin: 2rem 0 0.5rem;
}
main h2 a.anchor,
main h3 a.anchor {
  color: inherit;
}
main h2 a.anchor:hover::after,
main h3 a.anchor:hover::after {
  content: ' #';
  color: var(--fg-muted);
}
main p,
main li {
  max-width: 48rem;
}
main code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}
main pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  margin: 1rem 0 1.5rem;
}
main pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}
main table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  margin: 1rem 0 1.5rem;
  display: block;
  overflow-x: auto;
}
main th,
main td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
main th {
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
main td code {
  white-space: nowrap;
}
main blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--fg-muted);
  background: var(--bg-muted);
}
main strong {
  font-weight: 600;
}
.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.pager a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  min-width: 12rem;
}
.pager a:hover {
  border-color: var(--fg-muted);
  text-decoration: none;
}
.pager a small {
  font-size: 12px;
  color: var(--fg-muted);
}
.pager a.next {
  margin-left: auto;
  text-align: right;
}
footer.site {
  max-width: 90rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 13px;
  display: flex;
  gap: 1.5rem;
}

/* right toc */
aside.toc {
  position: sticky;
  top: var(--top-h);
  height: calc(100vh - var(--top-h));
  overflow-y: auto;
  padding: 2.5rem 1.25rem 3rem 0;
  font-size: 13px;
}
aside.toc h5 {
  margin: 0 0 0.5rem;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
}
aside.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--border);
}
aside.toc li a {
  display: block;
  padding: 0.2rem 0 0.2rem 0.75rem;
  color: var(--fg-muted);
  border-left: 1px solid transparent;
  margin-left: -1px;
}
aside.toc li.h3 a {
  padding-left: 1.5rem;
}
aside.toc li a:hover,
aside.toc li a.active {
  color: var(--fg);
  border-left-color: var(--fg);
  text-decoration: none;
}
aside.toc .edit {
  display: block;
  margin-top: 1.5rem;
  color: var(--fg-muted);
}

/* responsive */
@media (max-width: 72rem) {
  .shell {
    grid-template-columns: var(--nav-w) minmax(0, 1fr);
  }
  aside.toc {
    display: none;
  }
}
@media (max-width: 52rem) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }
  nav.side {
    display: none;
    position: fixed;
    inset: var(--top-h) 0 0 0;
    height: auto;
    background: var(--bg);
    z-index: 9;
  }
  body.nav-open nav.side {
    display: block;
  }
  .top .menu {
    display: inline-flex;
  }
  .top .search {
    display: none;
  }
  main {
    padding: 1.5rem 1.25rem 4rem;
  }
}

/* documentation search */
.top .search {
  font-family: var(--font);
  cursor: pointer;
}
.search-mobile-label {
  display: none;
}
.search-dialog {
  width: min(40rem, calc(100% - 2rem));
  max-height: 80dvh;
  margin: 10dvh auto;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--fg);
  box-shadow: 0 20px 80px #0004;
}
.search-dialog::backdrop {
  background: #0007;
  backdrop-filter: blur(3px);
}
body:has(.search-dialog[open]) {
  overflow: hidden;
}
.search-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}
#search-close {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  background: var(--bg-muted);
  color: var(--fg-muted);
  cursor: pointer;
}
#search-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-muted);
  color: var(--fg);
  font: inherit;
  font-size: 16px;
}
#search-input:focus-visible,
#search-close:focus-visible,
.top .search:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
#search-status,
#search-hint {
  margin: 0.75rem 0 0;
  color: var(--fg-muted);
  font-size: 12px;
}
#search-results {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  max-height: 45dvh;
  overflow-y: auto;
}
#search-results a {
  display: flex;
  flex-direction: column;
  padding: 0.75rem;
  border: 2px solid transparent;
  border-radius: 6px;
  color: var(--fg);
  overflow-wrap: anywhere;
}
#search-results a:hover,
#search-results a:focus {
  background: var(--bg-muted);
  border-color: var(--accent);
  outline: none;
  text-decoration: none;
}
#search-results small,
#search-results span {
  color: var(--fg-muted);
  font-size: 12px;
}
@media (max-width: 52rem) {
  .top {
    gap: 0.5rem;
    padding-inline: 0.75rem;
  }
  .top .search {
    display: flex;
    min-width: 0;
  }
  .search-label,
  .top .search kbd {
    display: none;
  }
  .search-mobile-label {
    display: inline;
  }
}