:root {
  --bg: #fbfaf7;
  --text: #1f2328;
  --muted: #5d6570;
  --line: #e3e0d8;
  --accent: #0b6b58;
  --note-bg: #f1efe8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --text: #e6e4df;
    --muted: #9aa1ab;
    --line: #2c3036;
    --accent: #5cc9b0;
    --note-bg: #1e2125;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.7 Georgia, "Times New Roman", serif;
}
.site-header, main, .site-footer { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }
.site-header {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: baseline;
  padding-top: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line);
  font-family: system-ui, sans-serif; font-size: .95rem;
}
.site-name { font-weight: 700; color: var(--text); text-decoration: none; }
.site-header nav { display: flex; gap: 1rem; }
a { color: var(--accent); }
main { padding-top: 2rem; padding-bottom: 3rem; }
h1, h2, h3 { font-family: system-ui, sans-serif; line-height: 1.25; }
h1 { font-size: 2rem; margin: 0 0 .5rem; }
h2 { font-size: 1.35rem; margin-top: 2.5rem; }
h3 { font-size: 1.1rem; margin-top: 1.75rem; }
.meta, .ai-note, .site-footer { color: var(--muted); font-family: system-ui, sans-serif; font-size: .85rem; }
.disclosure {
  background: var(--note-bg); border-left: 3px solid var(--accent);
  padding: .75rem 1rem; font-family: system-ui, sans-serif; font-size: .9rem;
}
.ai-note { border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1rem; }
.post-list { list-style: none; padding: 0; }
.post-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.post-list a { font-family: system-ui, sans-serif; font-weight: 600; font-size: 1.1rem; text-decoration: none; }
.post-list p { margin: .25rem 0 0; color: var(--muted); font-size: .95rem; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: .5rem .75rem; text-align: left; }
.site-footer { border-top: 1px solid var(--line); padding-top: 1rem; padding-bottom: 2rem; }
figure { margin: 2rem 0; }
figure svg { display: block; width: 100%; height: auto; color: var(--text); }
figure img { display: block; max-width: 100%; height: auto; }
figcaption { margin-top: .5rem; color: var(--muted); font-family: system-ui, sans-serif; font-size: .85rem; text-align: center; }