:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #5c646d;
  --rule: #e3e7eb;
  --accent: #0a6cbd;
  --card: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e8ebee;
    --muted: #99a2ab;
    --rule: #2a2f35;
    --accent: #5aa9e6;
    --card: #1c2126;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main { max-width: 46rem; margin: 0 auto; }

header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}

.eyebrow {
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .5rem;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 .75rem; }
h2 { font-size: 1.25rem; margin: 2.5rem 0 .75rem; }
h3 { font-size: 1.02rem; margin: 1.75rem 0 .5rem; }

.meta { color: var(--muted); font-size: .92rem; margin: 0; }

p, li { color: var(--fg); }
ul { padding-left: 1.25rem; }
li { margin: .35rem 0; }

a { color: var(--accent); }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

code {
  background: var(--card);
  padding: .12em .4em;
  border-radius: 4px;
  font-size: .88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.callout {
  background: var(--card);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
}
.callout p { margin: 0; }

.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
table { border-collapse: collapse; width: 100%; min-width: 32rem; }
th, td {
  text-align: left;
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  font-size: .95rem;
}
th { font-weight: 600; }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .9rem;
}
footer a { color: var(--muted); }

.nav { margin-bottom: 2rem; font-size: .93rem; }
.nav a { margin-right: 1.25rem; }