:root {
  --bg: #fffaf6;
  --text: #1c1a19;
  --muted: #5e5853;
  --accent: #b8431a;
  --line: #e6ddd5;
  --card: #fff;
  --warn-bg: #fff3d6;
  --warn-line: #e3b341;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161413;
    --text: #f1ece7;
    --muted: #b3aaa2;
    --accent: #ff8a5c;
    --line: #36302c;
    --card: #1f1c1a;
    --warn-bg: #3a2f10;
    --warn-line: #8a6d1b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
header { padding-top: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
header a.brand { color: var(--text); font-weight: 800; font-size: 1.25rem; text-decoration: none; letter-spacing: -0.01em; }
main { padding-top: 1.5rem; padding-bottom: 3rem; }
footer { padding-top: 1.5rem; padding-bottom: 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
footer nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-bottom: 0.75rem; }
h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 1rem 0 0.5rem; }
h2 { font-size: 1.35rem; line-height: 1.3; margin: 2.25rem 0 0.5rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 0.25rem; }
a { color: var(--accent); text-underline-offset: 2px; }
blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 1rem;
  background: var(--warn-bg);
  border-left: 4px solid var(--warn-line);
  border-radius: 6px;
}
blockquote p { margin: 0.4rem 0; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.95rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border: 1px solid var(--line); vertical-align: top; }
th { background: var(--card); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--card); padding: 0.1em 0.3em; border-radius: 4px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
li { margin: 0.25rem 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (min-width: 700px) { body { font-size: 18px; } h1 { font-size: 2.4rem; } }