:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --rule: #e2e2e2;
  --accent: #1a4f8a;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14161a;
    --fg: #e8e8e8;
    --muted: #9aa0a8;
    --rule: #2b2f36;
    --accent: #7fb2e8;
  }
}
:root[data-theme="dark"] {
  --bg: #14161a;
  --fg: #e8e8e8;
  --muted: #9aa0a8;
  --rule: #2b2f36;
  --accent: #7fb2e8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: 0 16px;
}
main { max-width: 43rem; margin: 0 auto; padding: 3rem 0 4rem; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 2.25rem 0 .5rem; }
p, li { color: var(--fg); }
ul { padding-left: 1.25rem; }
li { margin: .3rem 0; }
a { color: var(--accent); }
.meta { color: var(--muted); font-size: .875rem; margin: 0 0 2rem; }
.lede { font-size: 1.05rem; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0 1.25rem; }
footer { color: var(--muted); font-size: .8125rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }