:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --fg-muted: #555;
  --bg: #fff;
  --accent: #0b62d6;
  --rule: #e3e3e3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --fg-muted: #9a9a9a;
    --bg: #0e0e10;
    --accent: #6ea8ff;
    --rule: #2a2a2e;
  }
}
* { box-sizing: border-box }
html, body { background: var(--bg); color: var(--fg) }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px }
h2 { font-size: 20px; line-height: 1.3; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--rule) }
h3 { font-size: 16px; line-height: 1.4; margin: 20px 0 6px; color: var(--fg-muted) }
p, ul { margin: 8px 0 }
ul { padding-left: 22px }
li { margin: 4px 0 }
a { color: var(--accent); text-decoration: none }
a:hover { text-decoration: underline }
code { font: 13.5px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: rgba(127,127,127,.12); padding: 1px 6px; border-radius: 4px }
.meta { color: var(--fg-muted); margin: 0 0 24px }
.lang-switch { font-size: 14px; color: var(--fg-muted); margin-bottom: 24px }
.lang-switch a { margin-right: 14px }