:root {
  --bg: #fbfaf7;
  --fg: #23221f;
  --muted: #6d6a63;
  --line: #e4e0d8;
  --accent: #2f6f5e;
  --code: #f1eee8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171816;
    --fg: #e7e5df;
    --muted: #9b988f;
    --line: #2d2f2b;
    --accent: #7cc3ac;
    --code: #222420;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 Georgia, "Times New Roman", serif;
}
.wrap { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1rem 4rem; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: .9rem; margin-bottom: 2rem; }
header .brand { font-weight: bold; letter-spacing: .01em; color: var(--fg); text-decoration: none; }
nav a { margin-left: 1rem; color: var(--muted); text-decoration: none; font-family: system-ui, sans-serif; font-size: .9rem; }
nav a:hover, a:hover { color: var(--accent); }
a { color: var(--accent); }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 .4rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
.meta { color: var(--muted); font-family: system-ui, sans-serif; font-size: .85rem; margin-bottom: 1.6rem; }
ul.notes { list-style: none; padding: 0; margin: 0; }
ul.notes li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
ul.notes a { font-size: 1.1rem; text-decoration: none; }
ul.notes p { margin: .3rem 0 0; color: var(--muted); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .86em; background: var(--code); border-radius: 4px; }
code { padding: .1em .3em; }
pre { padding: .8rem 1rem; overflow-x: auto; line-height: 1.45; }
pre code { padding: 0; background: none; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-family: system-ui, sans-serif; font-size: .8rem; }