:root {
  --fg: #1a1a1a;
  --bg: #fafaf7;
  --muted: #666;
  --accent: #b3261e;
  --rule: #ddd;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --fg: #e8e8e4; --bg: #151515; --muted: #999; --accent: #ff6b5e; --rule: #333; }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 42rem;
  padding: 1rem;
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
}
a { color: var(--accent); }
.site-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--fg);
  margin-bottom: 1.5rem;
}
.site-title { font-weight: 800; font-size: 1.25rem; text-decoration: none; color: var(--fg); }
.site-header nav { display: flex; gap: 1rem; }
.site-header nav a[aria-current="page"] { color: var(--fg); font-weight: 700; }
h1 { line-height: 1.2; }
.intro, .meta, time, .entry-list time { color: var(--muted); }
.entry-list { list-style: none; padding: 0; }
.entry-list li { padding: 0.75rem 0; border-bottom: 1px solid var(--rule); }
.entry-list li > a { font-weight: 700; }
.entry-list time { margin-left: 0.5rem; font-size: 0.9rem; }
.entry-list p { margin: 0.25rem 0 0; }
.tags a { margin-right: 0.6rem; font-size: 0.9rem; text-decoration: none; }
.summary { font-size: 1.15rem; font-style: italic; }
.letters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.letters a { font-weight: 700; text-decoration: none; }
.tag-cloud { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.tag-cloud span { color: var(--muted); font-size: 0.9rem; }
.site-footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.9rem; }