:root {
  color-scheme: light dark;
  --background: #fafbf8;
  --surface: #fff;
  --text: #243127;
  --muted: #657268;
  --line: #e1e7df;
  --accent: #376343;
  --accent-soft: #eaf1e7;
  --code: #f0f3ed;
  --header: rgb(250 251 248 / 94%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body { margin: 0; background: var(--background); color: var(--text); line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 3px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -6rem; left: 1rem; z-index: 20; padding: .65rem 1rem; background: var(--surface); border: 1px solid var(--accent); }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 2rem; padding: 1rem max(1.5rem, calc((100vw - 1440px) / 2)); border-bottom: 1px solid var(--line); background: var(--header); backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--text); font-size: 1.1rem; font-weight: 700; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 2.35rem; height: 2.35rem; border-radius: .75rem; background: var(--accent); color: var(--background); font-size: 1.4rem; font-weight: 800; }
.brand-label { margin-left: .45rem; color: var(--muted); font-size: .8rem; font-weight: 450; }
.search { position: relative; width: min(27rem, 100%); margin-left: auto; }
.search input { width: 100%; padding: .65rem .9rem; border: 1px solid var(--line); border-radius: .6rem; background: var(--surface); color: var(--text); font: inherit; font-size: .9rem; }
.search input::placeholder { color: var(--muted); opacity: 1; }
.search-results { position: absolute; top: calc(100% + .5rem); right: 0; left: 0; max-height: min(32rem, 70vh); overflow-y: auto; padding: .4rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--surface); box-shadow: 0 10px 30px rgb(0 0 0 / 12%); }
.search-results a { display: block; padding: .6rem .7rem; border-radius: .4rem; text-decoration: none; }
.search-results a:hover, .search-results a:focus { background: var(--accent-soft); }
.search-results strong { display: block; font-size: .95rem; }
.search-results span, .search-results p { margin: .25rem .5rem; color: var(--muted); font-size: .8rem; }
.search-results a span { display: block; margin: .15rem 0 0; }
.repository-link { color: var(--muted); font-size: .85rem; text-decoration: none; white-space: nowrap; }
.site-shell { display: grid; grid-template-columns: 16rem minmax(0, 1fr); max-width: 1440px; margin: 0 auto; }
.sidebar { position: sticky; top: 4.5rem; align-self: start; height: calc(100dvh - 4.5rem); overflow-y: auto; padding: 2rem 1.5rem; border-right: 1px solid var(--line); }
.mobile-nav summary { display: none; }
.nav-group { margin-bottom: 1.3rem; }
.nav-heading { margin: 0 0 .45rem .6rem; color: var(--muted); font-size: .7rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.nav-group a { display: block; padding: .35rem .6rem; border-radius: .4rem; color: var(--muted); font-size: .875rem; text-decoration: none; }
.nav-group a:hover { background: var(--code); color: var(--text); }
.nav-group a[aria-current] { background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.sidebar-note { margin-top: 2rem; padding: 1rem .6rem 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
.sidebar-note p { margin: .35rem 0 0; }
.status-dot { display: inline-block; width: .4rem; height: .4rem; margin-right: .3rem; border-radius: 50%; background: var(--accent); }
main { min-width: 0; max-width: 64rem; padding: 3rem clamp(1.5rem, 5vw, 5rem) 2rem; }
.eyebrow { margin: 0 0 .65rem; color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
h1, h2, h3 { color: var(--text); line-height: 1.2; letter-spacing: -.025em; font-weight: 650; }
h1 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); }
.page-description { margin: 1rem 0 0; color: var(--muted); font-size: 1.08rem; }
.page-heading { margin-bottom: 2.25rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--line); }
.content h2 { margin: 2.5rem 0 1rem; font-size: 1.5rem; }
.content h3 { margin: 2rem 0 .75rem; font-size: 1.15rem; }
.content p { margin: 1rem 0; }
.content ul, .content ol { padding-left: 1.5rem; }
.content li { margin: .3rem 0; }
code { padding: .13em .35em; border-radius: .3rem; background: var(--code); font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace; font-size: .84em; overflow-wrap: anywhere; }
pre { overflow-x: auto; padding: 1.3rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--code); line-height: 1.65; }
pre code { padding: 0; font-size: .8rem; overflow-wrap: normal; }
.highlight pre { margin: 1.25rem 0; }
.highlight .c, .highlight .c1, .highlight .cm { color: var(--muted); }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kt { color: #7d3980; }
.highlight .s, .highlight .s1, .highlight .s2 { color: #2e6541; }
.highlight .nf, .highlight .nc { color: #225fa1; }
.highlight .m, .highlight .mi, .highlight .mf { color: #95612c; }
.table-scroll { overflow-x: auto; margin: 1.5rem 0; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; text-align: left; }
th { background: var(--code); font-weight: 650; }
th, td { padding: .75rem .9rem; border: 1px solid var(--line); vertical-align: top; }
blockquote, .callout { margin: 1.5rem 0; padding: .75rem 1.15rem; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 .5rem .5rem 0; }
.callout p { margin: .35rem 0; }
.hero { padding: .5rem 0 2.5rem; }
.hero h1 { max-width: 13ch; font-size: clamp(2.7rem, 5vw, 4.4rem); line-height: 1.08; letter-spacing: -.045em; }
.hero-description { max-width: 38rem; color: var(--muted); font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.75rem; }
.button { display: inline-block; padding: .65rem 1.05rem; border: 1px solid var(--line); border-radius: .55rem; background: var(--surface); color: var(--text); font-size: .9rem; font-weight: 600; text-decoration: none; }
.button-primary { border-color: var(--accent); background: var(--accent); color: var(--background); }
.button:hover { text-decoration: none; filter: brightness(.96); }
.hero-meta { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.5rem; }
.hero-meta span { padding: .2rem .6rem; border: 1px solid var(--line); border-radius: 2rem; color: var(--muted); font-size: .75rem; }
.feature-grid, .guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.feature-card, .guide-card { padding: 1.35rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); }
.feature-card h2, .guide-card h3 { margin: 0 0 .6rem; font-size: 1.1rem; }
.feature-card p, .guide-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.guide-card { display: block; text-decoration: none; }
.guide-card:hover { border-color: var(--accent); }
.guide-card .card-arrow { display: block; margin-top: .75rem; color: var(--accent); }
.page-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; margin-top: 3rem; padding-top: 1.2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
.page-footer a { color: var(--muted); }
@media (prefers-color-scheme: dark) {
  :root { --background: #161d19; --surface: #1b241e; --text: #e2e9e0; --muted: #a9b7ac; --line: #334138; --accent: #a9cfaa; --accent-soft: #273c2e; --code: #202c24; --header: rgb(22 29 25 / 94%); }
  .highlight .k, .highlight .kd, .highlight .kn, .highlight .kt { color: #d4a1db; }
  .highlight .s, .highlight .s1, .highlight .s2 { color: #acd3a8; }
  .highlight .nf, .highlight .nc { color: #a3c6ee; }
  .highlight .m, .highlight .mi, .highlight .mf { color: #e6bd8b; }
}
@media (max-width: 850px) {
  .site-header { gap: 1rem; padding: .8rem 1rem; flex-wrap: wrap; }
  .brand { margin-right: auto; }
  .repository-link { order: 1; }
  .search { order: 2; width: 100%; }
  .site-shell { display: block; }
  .sidebar { position: static; height: auto; padding: .75rem 1rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .mobile-nav summary { display: list-item; cursor: pointer; font-size: .85rem; color: var(--muted); }
  .mobile-nav nav { padding-top: 1rem; }
  .sidebar-note { display: none; }
  main { padding: 2rem 1.2rem; }
  html { scroll-padding-top: 9rem; }
}
@media (max-width: 550px) {
  .feature-grid, .guide-grid { grid-template-columns: 1fr; }
  .brand-label { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }