:root { --bg: #ffffff; --fg: #111111; --muted: #5f5f5f; --rule: #e6e6e6; --tint: #f5f5f5; --accent: #c41f1a; --accent-ink: #ffffff;
  --serif: Georgia, "Times New Roman", serif; --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; --mono: ui-monospace, SFMono-Regular, Menlo, monospace; }
@media (prefers-color-scheme: dark) { :root { --bg: #111111; --fg: #f2f2f2; --muted: #a8a8a8; --rule: #2e2e2e; --tint: #1b1b1b; --accent: #ff6a64; --accent-ink: #111111; } }
* { box-sizing: border-box; }
html { scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 var(--sans); }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 16px; top: 8px; z-index: 20; background: var(--bg); padding: 8px 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.top { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--rule); }
.top__inner { max-width: 1320px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; gap: 16px; }
.brand { font-family: var(--serif); font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; white-space: nowrap; }
.search { position: relative; flex: 1; max-width: 420px; margin-left: auto; }
.search input { width: 100%; font: inherit; font-size: 15px; padding: 8px 12px; border: 1px solid var(--rule); border-radius: 6px; background: var(--tint); color: var(--fg); }
.results { position: absolute; top: calc(100% + 6px); left: 0; right: 0; margin: 0; padding: 6px; list-style: none; background: var(--bg); border: 1px solid var(--rule); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.12); max-height: 70vh; overflow: auto; }
.results a { display: block; padding: 8px 10px; border-radius: 6px; color: var(--fg); text-decoration: none; }
.results a:hover, .results a:focus { background: var(--tint); }
.results small { display: block; color: var(--muted); font-size: 13px; }
.contact { white-space: nowrap; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--fg); border: 1px solid var(--fg); border-radius: 999px; padding: 6px 14px; }
.contact:hover { background: var(--fg); color: var(--bg); }
.menu { display: none; font: inherit; font-size: 14px; background: none; color: var(--fg); border: 1px solid var(--rule); border-radius: 6px; padding: 6px 10px; }
.layout { max-width: 1320px; margin: 0 auto; padding: 0 16px; display: grid; grid-template-columns: 240px minmax(0, 1fr) 200px; gap: 48px; }
.nav { position: sticky; top: 60px; align-self: start; max-height: calc(100vh - 60px); overflow: auto; padding: 28px 0; font-size: 14px; }
.nav ul { list-style: none; margin: 0 0 18px; padding: 0; }
.nav li a { display: block; padding: 5px 10px; border-radius: 6px; color: var(--fg); text-decoration: none; }
.nav li a:hover { background: var(--tint); }
.nav li a[aria-current="page"] { background: var(--tint); color: var(--accent); font-weight: 600; }
.nav__group { margin: 0 0 6px; padding: 0 10px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
main { padding: 32px 0 80px; min-width: 0; }
.eyebrow { margin: 0 0 6px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; font-weight: 700; }
h1 { font-size: clamp(32px, 5vw, 46px); margin: 0 0 12px; }
h2 { font-size: 26px; margin: 48px 0 12px; padding-top: 20px; border-top: 1px solid var(--rule); }
h3 { font-size: 19px; margin: 28px 0 8px; }
.lede { font-family: var(--serif); font-size: 20px; color: var(--muted); margin: 0 0 24px; }
code { font-family: var(--mono); font-size: .88em; background: var(--tint); padding: 1px 5px; border-radius: 4px; }
ul, ol { padding-left: 22px; } li { margin: 4px 0; }
.table { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 9px 10px; border-bottom: 1px solid var(--rule); }
th { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); border-bottom-color: var(--fg); }
.hint { border-left: 3px solid var(--accent); background: var(--tint); padding: 2px 18px; margin: 20px 0; border-radius: 0 6px 6px 0; }
.hint--warning { border-left-color: #c98a00; } .hint--danger { border-left-color: #c41f1a; } .hint--success { border-left-color: #1f8a4c; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin: 20px 0; }
.card, .ref-card { display: block; border: 1px solid var(--rule); border-radius: 10px; padding: 16px; color: var(--fg); text-decoration: none; transition: border-color .15s; }
.card:hover, .ref-card:hover { border-color: var(--fg); }
.card__title { display: block; font-weight: 700; margin-bottom: 4px; } .card__text { display: block; color: var(--muted); font-size: 14px; }
.ref-card { display: flex; justify-content: space-between; align-items: center; font-weight: 700; margin: 12px 0; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 56px; }
.pager a { flex: 1; max-width: 48%; border: 1px solid var(--rule); border-radius: 10px; padding: 12px 16px; color: var(--fg); text-decoration: none; font-weight: 600; }
.pager a span { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }
.pager__next { text-align: right; margin-left: auto; }
.meta { margin-top: 24px; font-size: 13px; } .meta a { color: var(--muted); }
.toc { position: sticky; top: 60px; align-self: start; padding: 32px 0; font-size: 13px; }
.toc p { margin: 0 0 8px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.toc ul { list-style: none; margin: 0; padding: 0; } .toc a { color: var(--muted); text-decoration: none; display: block; padding: 3px 0; } .toc a:hover { color: var(--fg); }
.foot { border-top: 1px solid var(--rule); padding: 24px 16px; text-align: center; font-size: 13px; color: var(--muted); }
.notfound { max-width: 640px; margin: 0 auto; padding: 80px 16px; }
@media (max-width: 1100px) { .layout { grid-template-columns: 220px minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 800px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .menu { display: inline-block; }
  .nav { display: none; position: static; max-height: none; border-bottom: 1px solid var(--rule); }
  .nav.is-open { display: block; }
  .contact { display: none; }
  .search { max-width: none; }
}