:root {
  color-scheme: light dark;
  --bg: #f4f1e6;
  --text: #1c2420;
  --muted: #5b6560;
  --link: #1f4a3a;
  --line: #d9d3c2;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121a17; --text: #e7ece9; --muted: #93a39a; --link: #e8a43a; --line: #2a3530; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 1.8rem; line-height: 1.2; margin: 16px 0 4px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
ul { padding-left: 1.2em; }
li + li { margin-top: 6px; }
a { color: var(--link); text-underline-offset: 2px; }
code { font-size: 0.95em; }
.meta { color: var(--muted); margin-top: 0; }
.foot { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--line); }