:root {
  --bg: #fbfaf8;
  --fg: #1d1d1f;
  --muted: #5f6368;
  --line: #e3e0da;
  --accent: #5b3fd6;
  --card: #ffffff;
  --note: #f3f0ff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --fg: #ececf0;
    --muted: #a1a1aa;
    --line: #2c2c31;
    --accent: #a795ff;
    --card: #1b1b1f;
    --note: #221d38;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: 0 1rem;
}
.wrap { max-width: 44rem; margin: 0 auto; }
header.site {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: .5rem 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 1.25rem; color: var(--fg); text-decoration: none; letter-spacing: .01em; }
nav a { margin-left: .9rem; }
nav a:first-child { margin-left: 0; }
.langs { font-size: .9rem; color: var(--muted); }
.langs a, .langs strong { margin-left: .5rem; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
main { padding: 1.5rem 0 2.5rem; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: .5rem 0 .75rem; }
h2 { font-size: 1.3rem; margin: 2.2rem 0 .5rem; padding-top: .25rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .35rem; }
p, ul, ol { margin: .5rem 0 1rem; }
li { margin: .3rem 0; }
.lead { font-size: 1.15rem; color: var(--muted); }
.meta { color: var(--muted); font-size: .95rem; }
.note {
  background: var(--note); border-left: 4px solid var(--accent);
  padding: .9rem 1.1rem; border-radius: 6px; margin: 1.25rem 0;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem 1.2rem; margin: 1rem 0;
}
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.cards .card { margin: 0; }
.cards h3 { margin-top: 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.table { overflow-x: auto; margin: 1rem 0; }
th, td { text-align: left; vertical-align: top; padding: .55rem .6rem; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; word-break: break-all; }
details { border-bottom: 1px solid var(--line); padding: .6rem 0; }
summary { cursor: pointer; font-weight: 600; }
details > :not(summary) { margin-top: .5rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
footer.site {
  border-top: 1px solid var(--line); padding: 1.25rem 0 2rem;
  color: var(--muted); font-size: .9rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1rem;
}
footer.site a { margin-right: .8rem; }
@media (max-width: 30rem) {
  body { font-size: 16px; }
  h1 { font-size: 1.6rem; }
}