:root {
  --bg: #ffffff; --surface: #f6f7fb; --ink: #1c2030; --muted: #61677a; --line: #dfe2ea; --accent: #4f5df5; --code: #eef0f7;
  --t-comment: #5b6074; --t-tag: #b0235c; --t-attr: #8a4b00; --t-string: #0b6b3a; --t-keyword: #4a3fd0; --t-fn: #0b5cad; --t-num: #9a3412;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #12141b; --surface: #1a1d27; --ink: #e8eaf2; --muted: #9aa0b4; --line: #2c3040; --accent: #8b95ff; --code: #1f2330; --t-comment: #8d93a8; --t-tag: #ff8fb3; --t-attr: #f5b97a; --t-string: #7ee0a6; --t-keyword: #aab2ff; --t-fn: #7cc4ff; --t-num: #ffa27a; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { scroll-padding-top: 4.5rem; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 system-ui, sans-serif; }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--bg); padding: 0.5rem 0.75rem; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); background: var(--bg); }
.brand { display: inline-flex; align-items: center; gap: 0.5rem; white-space: nowrap; color: var(--ink); font-weight: 700; font-size: 1.1rem; text-decoration: none; }
.brand span { color: var(--muted); font-weight: 500; }
.brand .mark { width: 1.5rem; height: 1.5rem; }
.top nav { display: flex; gap: 1rem; font-size: 0.95rem; }
.top nav a { white-space: nowrap; text-decoration: none; }

.layout { display: grid; grid-template-columns: 17rem minmax(0, 1fr); max-width: 80rem; margin: 0 auto; }
.side { position: sticky; top: 3.4rem; align-self: start; max-height: calc(100vh - 3.4rem); overflow-y: auto; padding: 1.25rem 1rem 2rem; font-size: 0.92rem; }
.side h2 { margin: 1.25rem 0 0.35rem; color: var(--muted); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.side h2:first-child { margin-top: 0; }
.side ul { margin: 0; padding: 0; list-style: none; }
.side a { display: block; padding: 0.2rem 0.6rem; border-radius: 0.4rem; color: var(--ink); text-decoration: none; }
.side a:hover { background: var(--surface); }
.side a[aria-current="page"] { background: var(--surface); color: var(--accent); font-weight: 600; }

main { min-width: 0; padding: 1.5rem 1.25rem 3rem 2rem; }
.doc { max-width: 48rem; }
.doc h1 { margin: 0 0 1rem; font-size: clamp(1.7rem, 4vw, 2.3rem); letter-spacing: -0.02em; line-height: 1.2; }
.doc h2 { margin: 2.25rem 0 0.75rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 1.4rem; }
.doc h3 { margin: 1.75rem 0 0.5rem; font-size: 1.15rem; }
.doc h4 { margin: 1.5rem 0 0.4rem; }
.anchor { margin-left: 0.4rem; color: var(--muted); font-weight: 400; text-decoration: none; opacity: 0; }
:is(h1, h2, h3, h4):hover .anchor, .anchor:focus { opacity: 1; }
.doc p, .doc ul, .doc ol { margin: 0 0 1rem; }
.doc li { margin: 0.25rem 0; }
.doc code { padding: 0.1em 0.3em; border-radius: 0.3rem; background: var(--code); font: 0.88em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.doc pre { margin: 0 0 1.25rem; padding: 0.9rem 1rem; overflow-x: auto; border: 1px solid var(--line); border-radius: 0.6rem; background: var(--code); line-height: 1.5; }
.doc pre code { padding: 0; background: none; font-size: 0.86rem; }
.token.comment, .token.prolog, .token.doctype { color: var(--t-comment); }
.token.tag, .token.selector, .token.deleted { color: var(--t-tag); }
.token.attr-name, .token.property, .token.constant, .token.symbol { color: var(--t-attr); }
.token.string, .token.attr-value, .token.template-string, .token.char, .token.inserted { color: var(--t-string); }
.token.keyword, .token.boolean, .token.atrule { color: var(--t-keyword); }
.token.function, .token.class-name, .token.builtin { color: var(--t-fn); }
.token.number, .token.regex { color: var(--t-num); }
.token.punctuation, .token.operator { color: var(--ink); }
.doc blockquote { margin: 0 0 1rem; padding: 0.1rem 1rem; border-left: 3px solid var(--accent); color: var(--muted); }
.doc table { display: block; max-width: 100%; margin: 0 0 1.25rem; overflow-x: auto; border-collapse: collapse; font-size: 0.93rem; }
.doc th, .doc td { padding: 0.45rem 0.7rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.doc th { background: var(--surface); }
.doc img { max-width: 100%; height: auto; }
.doc details { margin: 0 0 1.25rem; padding: 0.5rem 1rem; border: 1px solid var(--line); border-radius: 0.6rem; }
.doc summary { cursor: pointer; font-weight: 600; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

.pager { display: flex; justify-content: space-between; gap: 1rem; max-width: 48rem; margin-top: 2.5rem; }
.pager a { display: block; padding: 0.7rem 1rem; border: 1px solid var(--line); border-radius: 0.6rem; text-decoration: none; font-weight: 600; }
.pager a:hover { border-color: var(--accent); }
.pager a span { display: block; color: var(--muted); font-size: 0.8rem; font-weight: 500; }
.pager a[rel="next"] { margin-left: auto; text-align: right; }
.edit { max-width: 48rem; margin-top: 2rem; color: var(--muted); font-size: 0.88rem; }

.all-pages { display: none; }
@media (max-width: 52rem) {
  /* The page comes first and the menu after it; the header's "All pages" link jumps down to it. */
  .layout { display: flex; flex-direction: column; }
  main { order: 1; padding: 1.25rem 1rem 2rem; }
  .side { order: 2; position: static; max-height: none; border-top: 1px solid var(--line); }
  .all-pages { display: inline; }
}