:root { color-scheme: light; }
* { box-sizing: border-box; }
body {
  font-family: system-ui, sans-serif;
  color: #222;
  margin: 0;
  display: flex;
  min-height: 100vh;
}
nav {
  flex: 0 0 12rem;
  padding: 1.5rem 1rem;
  border-right: 1px solid #e3e3e3;
  background: #fafafa;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
nav a { color: #444; text-decoration: none; padding: .15rem .4rem; border-radius: .3rem; }
nav a:hover { background: #f3f3f3; }
nav a[aria-current="page"] { background: #ececec; font-weight: 600; }
nav .brand { font-weight: 700; color: #222; margin-bottom: .75rem; }
nav .brand span { color: #888; font-weight: 400; }
nav .ext { margin-top: auto; font-size: .85rem; color: #666; }
nav .ext ~ .ext { margin-top: 0; }
main { flex: 1; max-width: 46rem; padding: 2rem 2.5rem 4rem; line-height: 1.55; }
h1 { font-size: 1.6rem; margin-top: 0; }
h2 { font-size: 1.2rem; margin-top: 2.2rem; border-bottom: 1px solid #eee; padding-bottom: .25rem; }
h3 { font-size: 1rem; margin-top: 1.6rem; }
a { color: #0550ae; }
code { font-family: ui-monospace, monospace; font-size: .9em; background: #f3f3f3; padding: .1em .3em; border-radius: .3rem; }
pre { background: #f6f6f6; border: 1px solid #e8e8e8; border-radius: .3rem; padding: .8rem 1rem; overflow-x: auto; }
pre code { background: none; padding: 0; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { text-align: left; padding: .35rem .5rem; border-bottom: 1px solid #e3e3e3; vertical-align: top; }
th { font-weight: 600; color: #444; }
blockquote { margin: 1rem 0; padding: .1rem 1rem; border-left: 3px solid #ddd; color: #555; }
@media (max-width: 40rem) {
  body { flex-direction: column; }
  nav { flex: none; flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid #e3e3e3; }
  nav .brand { margin: 0 .5rem 0 0; }
  nav .ext { margin-top: 0; }
  main { padding: 1.25rem 1rem 3rem; }
}