:root {
  --paper: #f9f6f2;
  --ink: #1d2433;
  --muted: #5b6474;
  --accent: #2f59ab;
  --rule: #e4ddd3;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #111419;
    --ink: #e8e6e1;
    --muted: #a3aab6;
    --accent: #8fb0ef;
    --rule: #2a2f38;
  }
}
:root[data-theme="dark"] {
  --paper: #111419;
  --ink: #e8e6e1;
  --muted: #a3aab6;
  --accent: #8fb0ef;
  --rule: #2a2f38;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 40px 16px 72px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 56px; height: 56px; border-radius: 13px; border: 1px solid var(--rule); }
header p { margin: 0; color: var(--muted); font-size: 15px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0; }
h2 { font-size: 19px; margin: 36px 0 8px; padding-top: 20px; border-top: 1px solid var(--rule); }
p, li { max-width: 62ch; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
a { color: var(--accent); text-underline-offset: 3px; }
.lede { font-size: 18px; }
.meta { color: var(--muted); font-size: 15px; }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 15px; }