:root {
  --bg: #fdfcf9;
  --fg: #1f1f1f;
  --muted: #6b6b6b;
  --accent: #b4441c;
  --rule: #e6e2da;
  --code-bg: #f3f0ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161616;
    --fg: #e8e6e1;
    --muted: #9a978f;
    --accent: #f08a5d;
    --rule: #2e2d2a;
    --code-bg: #222120;
  }
}

* { box-sizing: border-box; }

html { font-size: 18px; }

body {
  margin: 0 auto;
  max-width: 42rem;
  padding: 0 1rem;
  background: var(--bg);
  color: var(--fg);
  font-family: Charter, "Bitstream Charter", "Iowan Old Style", Georgia, serif;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.site-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  padding: 2rem 0 1rem;
  border-bottom: 1px solid var(--rule);
  font-family: system-ui, -apple-system, sans-serif;
}

.site-title { color: var(--fg); font-weight: 700; text-decoration: none; }
.site-header nav { display: flex; gap: 1.25rem; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--accent); }

main { padding: 1.5rem 0 3rem; }

h1, h2, h3 { line-height: 1.25; font-family: system-ui, -apple-system, sans-serif; }
h1 { font-size: 1.8rem; margin-top: 0.5rem; }
h2 { font-size: 1.3rem; margin-top: 2.2rem; }
h3 { font-size: 1.05rem; margin-top: 1.8rem; }

img { max-width: 100%; height: auto; }

.meta { color: var(--muted); font-size: 0.9rem; margin-top: -0.5rem; }

.note {
  color: var(--muted);
  font-size: 0.9rem;
  border-left: 3px solid var(--rule);
  padding-left: 0.75rem;
}

.post-list { list-style: none; padding: 0; }
.post-list li { display: flex; gap: 1rem; padding: 0.3rem 0; }
.post-list time {
  flex: 0 0 5.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: system-ui, -apple-system, sans-serif;
  padding-top: 0.15rem;
}

.topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: 0.75rem; padding: 0; list-style: none; }
.topics a {
  display: block;
  padding: 0.75rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  text-decoration: none;
  font-family: system-ui, -apple-system, sans-serif;
}
.topics a:hover { border-color: var(--accent); }

.job { margin-bottom: 1.75rem; }
.job h3 { margin-bottom: 0; }
.job .meta { margin-top: 0.1rem; }

code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85em; }
code { background: var(--code-bg); padding: 0.1em 0.3em; border-radius: 3px; }
pre { background: var(--code-bg); padding: 1rem; overflow-x: auto; border-radius: 6px; line-height: 1.45; }
pre code { background: none; padding: 0; }

blockquote { margin: 1rem 0; padding-left: 1rem; border-left: 3px solid var(--rule); color: var(--muted); }

table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--rule); padding: 0.4rem 0.6rem; text-align: left; }

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: system-ui, -apple-system, sans-serif;
}
.site-footer p { margin: 0.3rem 0; }
.site-footer a { color: var(--muted); }