/* Yoooyo public reference. Local assets only; no scripts or remote fonts. */
:root {
  color-scheme: dark;
  --canvas: #1d2025;
  --surface: #262a30;
  --ink: #e7e9ec;
  --muted: #b4bdc9;
  --line: #454d59;
  --accent: #5a9cf8;
  --link: #a6ccff;
  font-family: Onest, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-synthesis: none;
  line-height: 1.65;
  background: var(--canvas);
  color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--link); text-underline-offset: .22em; text-decoration-thickness: .08em; }
a:hover { color: #d2e5ff; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
::selection { background: #a6ccff; color: #162131; }
.skip { position: absolute; top: .75rem; left: 1rem; padding: .6rem 1rem; background: var(--ink); color: var(--canvas); transform: translateY(-180%); z-index: 2; }
.skip:focus { transform: none; }
.wrap { width: min(100% - 3rem, 72rem); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem 2rem; padding-block: 1rem; }
.wordmark { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; color: var(--ink); text-decoration: none; font-size: 1.35rem; font-weight: 650; letter-spacing: -.025em; }
.wordmark svg { width: 28px; height: 28px; color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: .1rem .9rem; }
nav a { display: inline-flex; align-items: center; min-height: 44px; padding-inline: .25rem; color: var(--muted); font-size: .95rem; text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
main { padding-block: clamp(2.5rem, 7vw, 6rem); min-height: 65vh; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; font-weight: 600; }
h1 { font-size: clamp(2.3rem, 5vw, 4.25rem); letter-spacing: -.035em; margin: .5rem 0 1.3rem; max-width: 18ch; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.02em; margin: 2.6rem 0 1rem; }
h3 { font-size: 1.25rem; margin-block: 1.8rem .7rem; }
p, li, dd { max-width: 70ch; text-wrap: pretty; }
p { margin-block: 0 1.2rem; }
li + li { margin-top: .6rem; }
ul, ol { padding-left: 1.4rem; }
.lead { color: var(--muted); font-size: clamp(1.12rem, 2vw, 1.3rem); max-width: 57ch; }
.label { color: var(--link); margin: 0 0 .7rem; font-size: 1rem; }
.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(15rem, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.hero-aside { margin-top: .75rem; background: var(--surface); padding: 1.5rem; border-radius: 12px; }
.hero-aside h2 { font-size: 1.25rem; margin-top: 0; }
.hero-aside p:last-child { margin-bottom: 0; }
.path { list-style: none; margin: 1.4rem 0; padding: 0; }
.path li { display: flex; align-items: baseline; gap: .8rem; margin: 0; padding-block: .7rem; }
.path li + li { border-top: 1px solid var(--line); }
.path span { color: var(--muted); font-size: .9rem; }
.path strong { font-weight: 600; }
.section { margin-top: clamp(3rem, 6vw, 5rem); }
.section > h2 { margin-top: 0; }
.reading-list { margin: 1.5rem 0 0; padding: 0; list-style: none; }
.reading-list li { max-width: none; display: grid; grid-template-columns: minmax(11rem, .7fr) minmax(0, 1.3fr); gap: .6rem 2rem; border-top: 1px solid var(--line); padding-block: 1.6rem; margin: 0; }
.reading-list a { font-size: 1.3rem; font-weight: 600; }
.reading-list p { color: var(--muted); margin: 0; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 15rem; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.article { min-width: 0; }
.article h1 { max-width: 20ch; font-size: clamp(2.2rem, 4.5vw, 3.6rem); }
.article h2 { scroll-margin-top: 1.5rem; }
.article-aside { padding-top: 1rem; color: var(--muted); font-size: .95rem; }
.article-aside h2 { margin-top: 0; font-size: 1.1rem; color: var(--ink); }
.article-aside a { display: inline-block; padding-block: .55rem; }
.article-aside ul { padding: 0; list-style: none; }
.article-aside li + li { margin-top: 0; }
.note { background: var(--surface); padding: 1.25rem 1.5rem; border-radius: 8px; margin-block: 1.5rem; }
.note p:last-child { margin-bottom: 0; }
code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: .9em; overflow-wrap: anywhere; }
pre { max-width: 100%; overflow-x: auto; background: #15181d; padding: 1.25rem; border: 1px solid var(--line); border-radius: 8px; line-height: 1.65; }
pre code { overflow-wrap: normal; }
pre:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.caption { color: var(--muted); font-size: .92rem; }
.next-note { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.site-footer { border-top: 1px solid var(--line); padding-block: 1.8rem 2.2rem; color: var(--muted); font-size: .92rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; }
.site-footer p { margin: 0; }
.site-footer a { display: inline-block; min-height: 44px; }
@media (max-width: 760px) {
  .wrap { width: min(100% - 2rem, 72rem); }
  .hero, .article-layout { grid-template-columns: 1fr; gap: 1.7rem; }
  .hero-aside { margin-top: 0; }
  .article-aside { border-top: 1px solid var(--line); padding-top: 1.5rem; }
  .reading-list li { grid-template-columns: 1fr; }
  .header-inner { align-items: flex-start; }
  nav { column-gap: .65rem; }
}
@media print {
  :root { color-scheme: light; color: #111; background: #fff; }
  .site-header, .site-footer, .article-aside, .skip { display: none; }
  .wrap { width: 100%; }
  main { padding: 0; }
  .hero, .article-layout { display: block; }
  a { color: #111; }
  .lead, .caption, .reading-list p { color: #333; }
  .hero-aside, .note, pre { background: #f2f2f2; color: #111; break-inside: avoid; }
}