:root {
  color-scheme: light dark;
  --bg: #fff;
  --surface: #fcfbfd;
  --soft: #f5f3f8;
  --text: #27232e;
  --muted: #625b6b;
  --line: #e6e3eb;
  --accent: #7755aa;
  --selected: #eae3f4;
  --selected-text: #5c3f88;
  --header-height: 72px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; color: var(--text); background: var(--bg); font-size: 15px; line-height: 1.7; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; }
button { cursor: pointer; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button, input { color: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip { position: fixed; top: -100px; left: 16px; z-index: 20; background: var(--bg); padding: 12px 20px; border: 1px solid var(--accent); border-radius: 6px; }
.skip:focus { top: 12px; }
.docs-header { height: var(--header-height); position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: var(--bg); }
.header-inner { max-width: 1536px; height: 100%; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-size: 22px; font-weight: 650; letter-spacing: -.7px; }
.brand img { width: 24px; height: 26px; }
.docs-label { font-size: 14px; color: var(--muted); text-decoration: none; padding-left: 24px; border-left: 1px solid var(--line); }
.header-actions { margin-left: auto; display: flex; gap: 28px; align-items: center; }
.search-trigger { display: flex; align-items: center; gap: 10px; width: 256px; border: 1px solid var(--line); border-radius: 7px; padding: 8px 12px; background: var(--surface); color: var(--muted); text-align: left; font-size: 13px; }
.search-trigger:hover { border-color: var(--accent); }
kbd { font: 11px/1.6 inherit; border: 1px solid var(--line); padding: 0 5px; border-radius: 4px; background: var(--bg); color: var(--muted); white-space: nowrap; }
.search-trigger kbd { margin-left: auto; }
.website-link { color: var(--muted); font-size: 13px; text-decoration: none; }
.website-link span { margin-left: 5px; }
.docs-layout { max-width: 1536px; margin: 0 auto; display: grid; grid-template-columns: 248px minmax(0, 1fr) 220px; gap: 48px; padding: 0 40px; }
.sidebar { position: sticky; top: var(--header-height); align-self: start; height: calc(100dvh - var(--header-height)); overflow-y: auto; padding: 36px 16px 28px 0; scrollbar-width: thin; }
.nav-group { margin-bottom: 26px; }
.nav-group h2 { margin: 0 0 8px 12px; color: var(--text); font-size: 12px; font-weight: 650; letter-spacing: .01em; }
.nav-group ul, .toc ul, .mobile-toc ul { list-style: none; padding: 0; margin: 0; }
.nav-group li { margin: 2px 0; }
.nav-group a { display: block; padding: 7px 12px; border-radius: 6px; text-decoration: none; color: var(--muted); font-size: 13px; line-height: 1.5; }
.nav-group a:hover { color: var(--text); background: var(--soft); }
.nav-group a[aria-current="page"] { background: var(--selected); color: var(--selected-text); font-weight: 600; }
.sidebar-foot { margin: 34px 12px 0; border-top: 1px solid var(--line); padding-top: 20px; font-size: 11px; color: var(--muted); }
.sidebar-foot a { display: block; margin: 6px 0; text-decoration: none; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; background: var(--accent); margin-right: 5px; }
.main { min-width: 0; padding: 43px 0 28px; max-width: 800px; }
.main:focus { outline: none; }
.article-heading { margin-bottom: 28px; }
.breadcrumbs { display: flex; gap: 9px; color: var(--muted); font-size: 12px; margin-bottom: 20px; }
.breadcrumbs a { text-decoration: none; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.025em; font-weight: 650; }
h1 { font-size: clamp(30px, 3vw, 38px); margin: 0 0 14px; }
.article-description { font-size: 17px; line-height: 1.65; color: var(--muted); margin: 0 0 16px; max-width: 620px; }
.article-meta { display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 11px; }
.article-meta > span:first-child { background: var(--soft); padding: 3px 8px; border-radius: 4px; color: var(--selected-text); }
.prose { overflow-wrap: anywhere; font-size: 15px; line-height: 1.8; }
.prose p { margin: 0 0 18px; }
.prose h2 { font-size: 23px; margin: 40px 0 16px; scroll-margin-top: 100px; }
.prose h3 { font-size: 18px; margin: 30px 0 12px; scroll-margin-top: 100px; }
.prose h2:first-child { margin-top: 0; }
.heading-link { display: inline-block; margin-left: 8px; opacity: 0; text-decoration: none; color: var(--accent); font-size: .8em; }
:is(h2,h3):hover .heading-link, .heading-link:focus-visible { opacity: 1; }
.prose ul, .prose ol { padding-left: 24px; margin: 0 0 22px; }
.prose li { padding-left: 3px; margin: 7px 0; }
.prose li > p { margin-bottom: 8px; }
.prose strong { font-weight: 650; }
.prose blockquote, .notice { margin: 24px 0; padding: 16px 20px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 0 7px 7px 0; background: var(--surface); font-size: 14px; }
.prose blockquote p:last-child, .notice p:last-child { margin-bottom: 0; }
.notice strong { font-size: 13px; }
.notice p { margin: 6px 0 0; color: var(--muted); line-height: 1.65; }
.prose code { font: 12.5px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--soft); padding: 2px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.code-block { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); margin: 20px 0 26px; overflow: hidden; }
.code-toolbar { padding: 8px 14px; border-bottom: 1px solid var(--line); display: flex; align-items: center; min-height: 37px; font-size: 11px; color: var(--muted); }
.copy-code { margin-left: auto; border: 0; background: transparent; color: var(--muted); font-size: 11px; padding: 2px 4px; border-radius: 3px; }
.copy-code:hover { color: var(--accent); }
.prose pre { padding: 16px; margin: 0; overflow-x: auto; white-space: pre; tab-size: 2; }
.prose pre code { background: transparent; padding: 0; border-radius: 0; font-size: 12px; overflow-wrap: normal; }
.table-wrap { overflow-x: auto; margin: 20px 0 26px; border: 1px solid var(--line); border-radius: 8px; }
.prose table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; line-height: 1.65; }
.prose th { background: var(--surface); color: var(--text); font-weight: 600; border-bottom: 1px solid var(--line); }
.prose th, .prose td { vertical-align: top; padding: 12px 14px; min-width: 110px; }
.prose td { border-bottom: 1px solid var(--line); color: var(--muted); }
.prose tr:last-child td { border-bottom: 0; }
.prose table code { font-size: 11px; }
.screenshot { margin: 26px 0 32px; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: var(--surface); }
.screenshot > a { display: block; }
.screenshot img { display: block; width: 100%; height: auto; }
.screenshot figcaption { padding: 12px 14px; border-top: 1px solid var(--line); font-size: 11px; line-height: 1.6; color: var(--muted); }
.screenshot figcaption span { display: block; }
.guide-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 30px 0 34px; }
.guide-card { display: block; padding: 22px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; background: var(--bg); color: var(--text); }
.guide-card:hover { background: var(--surface); border-color: var(--accent); }
.card-number { color: var(--accent); font-size: 11px; font-variant-numeric: tabular-nums; }
.guide-card h2 { display: flex; gap: 8px; align-items: start; justify-content: space-between; font-size: 16px; margin: 13px 0 8px; letter-spacing: -.02em; }
.guide-card h2 span { color: var(--accent); font-weight: 400; }
.guide-card p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--muted); }
.toc { position: sticky; top: 106px; align-self: start; padding-top: 0; max-height: calc(100dvh - 140px); overflow-y: auto; font-size: 12px; }
.toc nav > p { font-size: 11px; color: var(--text); font-weight: 650; margin: 0 0 14px; }
.toc a { display: block; color: var(--muted); text-decoration: none; line-height: 1.6; padding: 5px 0 5px 12px; border-left: 1px solid var(--line); }
.toc a:hover, .toc a[aria-current="location"] { color: var(--accent); border-left-color: var(--accent); }
.toc .toc-sub { padding-left: 22px; }
.toc-help { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 16px; }
.toc-help p { font-size: 11px; font-weight: 600; margin: 0 0 8px; }
.toc-help a { border: 0; padding-left: 0; font-size: 11px; }
.page-meta { margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.page-meta p { margin: 4px 0; }
.page-navigation { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 25px 0 36px; }
.page-navigation a { text-decoration: none; color: var(--text); border: 1px solid var(--line); padding: 14px 16px; border-radius: 7px; font-size: 13px; }
.page-navigation a:hover { border-color: var(--accent); }
.page-navigation span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 4px; }
.page-navigation strong { font-weight: 550; }
.page-navigation .next { text-align: right; }
.docs-footer { border-top: 1px solid var(--line); padding-top: 20px; color: var(--muted); font-size: 10px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 20px; }
.docs-footer nav { display: flex; gap: 14px; }
.docs-footer a { text-decoration: none; color: var(--muted); }
.mobile-tools, .mobile-toc { display: none; }
.architecture-flow { display: grid; justify-items: center; margin: 24px 0; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.architecture-flow div { text-align: center; border: 1px solid var(--line); padding: 10px 18px; width: min(100%, 380px); border-radius: 6px; background: var(--bg); font-size: 13px; }
.architecture-flow div span { display: block; font-size: 11px; color: var(--muted); }
.architecture-flow > span { color: var(--accent); padding: 3px 0; }
.search-dialog { width: min(640px, calc(100% - 32px)); max-height: min(740px, calc(100dvh - 64px)); margin: 12vh auto auto; padding: 0; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--bg); box-shadow: 0 24px 80px #0002; overflow: auto; }
.search-dialog::backdrop { background: #17131e66; backdrop-filter: blur(3px); }
.search-dialog-top { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px 12px; gap: 10px; }
.search-dialog h2 { font-size: 16px; margin: 0; }
.search-close { border: 1px solid var(--line); border-radius: 4px; background: var(--surface); padding: 2px 7px; font-size: 11px; color: var(--muted); min-height: 28px; }
.search-field { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 7px; margin: 4px 20px; padding: 10px 12px; color: var(--accent); }
.search-field:focus-within { outline: 2px solid var(--accent); }
.search-field input { width: 100%; min-width: 0; font-size: 14px; border: 0; padding: 0; background: transparent; color: var(--text); outline: none; }
.search-status { color: var(--muted); font-size: 11px; padding: 7px 20px 0; margin: 0; }
.search-results { list-style: none; padding: 0 12px; margin: 10px 0; }
.search-results a { display: block; text-decoration: none; color: var(--text); border-radius: 6px; padding: 12px; font-size: 14px; line-height: 1.5; }
.search-results a:hover, .search-results a:focus-visible { background: var(--soft); outline-offset: -2px; }
.search-results small { display: block; color: var(--accent); font-size: 10px; margin-bottom: 4px; }
.search-results strong { font-weight: 600; }
.search-results p { color: var(--muted); font-size: 12px; margin: 5px 0 0; }
.search-note { border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); padding: 12px 20px; margin: 0; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 16px; border-radius: 6px; font-size: 12px; z-index: 30; }
.toast:empty { display: none; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #202023; --surface: #242327; --soft: #302c37; --text: #f0edf6; --muted: #b3adbd; --line: #3b373f; --accent: #b9a0e1; --selected: #443450; --selected-text: #dfccfa; }
  .brand img { filter: brightness(1.45); }
  .screenshot img { color-scheme: light; }
}
@media (max-width: 1250px) {
  .docs-layout { grid-template-columns: 224px minmax(0, 1fr) 180px; gap: 30px; padding: 0 30px; }
  .header-inner { padding: 0 30px; }
}
@media (max-width: 1050px) {
  .docs-layout { grid-template-columns: 224px minmax(0, 1fr); gap: 38px; }
  .toc { display: none; }
  .mobile-toc { display: block; border: 1px solid var(--line); border-radius: 6px; margin: 20px 0; padding: 10px 14px; font-size: 12px; }
  .mobile-toc summary { cursor: pointer; color: var(--muted); }
  .mobile-toc ul { padding: 10px 0 0; }
  .mobile-toc a { display: block; padding: 4px; text-decoration: none; }
}
@media (max-width: 760px) {
  :root { --header-height: 64px; }
  html { scroll-padding-top: 124px; }
  .header-inner { padding: 0 20px; gap: 15px; }
  .brand { font-size: 20px; }
  .brand img { width: 21px; height: 23px; }
  .docs-label { font-size: 12px; padding-left: 15px; }
  .header-actions { gap: 0; }
  .website-link { display: none; }
  .search-trigger { width: 38px; height: 38px; padding: 9px; border-radius: 6px; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .docs-layout { display: block; padding: 0 24px; }
  .sidebar { display: none; }
  .main { padding: 27px 0 24px; max-width: none; }
  .mobile-tools { display: block; background: var(--bg); border-bottom: 1px solid var(--line); position: sticky; top: var(--header-height); z-index: 9; }
  .mobile-navigation summary { display: flex; justify-content: space-between; align-items: center; padding: 10px 24px; font-size: 12px; color: var(--muted); cursor: pointer; list-style: none; }
  .mobile-navigation summary::-webkit-details-marker { display: none; }
  .mobile-navigation nav { padding: 14px 12px 0; max-height: calc(100dvh - 130px); overflow-y: auto; border-top: 1px solid var(--line); }
  .mobile-navigation[open] > summary span { transform: rotate(180deg); }
  .nav-group a { min-height: 38px; display: flex; align-items: center; }
  .article-heading { margin-bottom: 22px; }
  .breadcrumbs { margin-bottom: 16px; font-size: 11px; }
  h1 { font-size: 30px; }
  .article-description { font-size: 16px; }
  .prose { font-size: 14px; }
  .prose h2 { font-size: 21px; margin-top: 32px; scroll-margin-top: 124px; }
  .prose h3 { scroll-margin-top: 124px; }
  .heading-link { opacity: .5; }
  .guide-cards { gap: 10px; }
  .guide-card { padding: 17px; }
  .guide-card h2 { font-size: 15px; }
  .guide-card p { font-size: 12px; }
  .prose th, .prose td { padding: 10px 12px; }
  .page-navigation { gap: 10px; }
  .page-navigation a { padding: 12px; font-size: 12px; }
  .search-dialog { margin-top: 24px; max-height: calc(100dvh - 48px); }
  .docs-footer { display: block; line-height: 1.8; }
  .docs-footer nav { margin-top: 10px; }
}
@media (max-width: 360px) { .docs-layout { padding: 0 18px; } .guide-cards { grid-template-columns: 1fr; } .docs-label { font-size: 11px; } .header-inner { padding: 0 16px; gap: 12px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
@media print { .docs-header, .sidebar, .toc, .mobile-tools, .mobile-toc, .search-dialog, .page-navigation, .copy-code, .heading-link { display: none !important; } .docs-layout { display: block; padding: 0; } .main { max-width: none; padding: 0; } :root { --bg: #fff; --text: #000; --muted: #333; --line: #ccc; --surface: #fff; --soft: #eee; } }

/* Breadcrumbs remain readable when a guide title wraps on a narrow screen. */
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px 9px; list-style: none; margin: 0; padding: 0; }
.breadcrumbs li { max-width: 100%; }
.breadcrumbs li + li::before { content: "/"; padding-right: 9px; }