:root {
  color-scheme: light dark;
  --bg: #fbfbf9;
  --fg: #1c1b19;
  --muted: #5f5c57;
  --rule: #e3e0da;
  --link: #8a4b1f;
  --accent-bg: #f4f1ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --fg: #e8e5df;
    --muted: #a39e95;
    --rule: #302e2a;
    --link: #d99a63;
    --accent-bg: #201e1b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 43rem;
  margin: 0 auto;
  padding: 4rem 0 6rem;
}

nav {
  max-width: 43rem;
  margin: 0 auto;
  padding: 1.5rem 0 0;
  font-size: .9rem;
}

nav a { margin-right: 1.25rem; }

h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 0 0 .4rem;
  letter-spacing: -.02em;
}

h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 .6rem;
  letter-spacing: -.01em;
}

.meta {
  color: var(--muted);
  font-size: .9rem;
  margin: 0 0 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.lede {
  font-size: 1.05rem;
  color: var(--fg);
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }

ul { padding-left: 1.2rem; }
li { margin: .35rem 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: .95rem;
}

th, td {
  text-align: left;
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th { font-weight: 600; }

.box {
  background: var(--accent-bg);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.box p { margin: .4rem 0; }

footer {
  max-width: 43rem;
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .875rem;
}

code {
  background: var(--accent-bg);
  padding: .1em .35em;
  border-radius: 4px;
  font-size: .9em;
}

@media (max-width: 480px) {
  main { padding: 2.5rem 0 4rem; }
  h1 { font-size: 1.6rem; }
  table { display: block; overflow-x: auto; }
}