:root {
  --navy: #0b0a33;
  --indigo: #3a3599;
  --text: #1d1d24;
  --muted: #6b6b7b;
  --bg: #ffffff;
  --rule: #e4e4ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --navy: #e8e8f5;
    --indigo: #9d98f0;
    --text: #dcdce6;
    --muted: #9a9aab;
    --bg: #12121c;
    --rule: #2a2a3a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 44rem;
  padding: 0 1rem;
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--indigo); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}

.site-header nav a { margin-left: 1rem; text-decoration: none; }

h1, h2, h3 { color: var(--navy); line-height: 1.25; }

pre, code { font-family: ui-monospace, Menlo, monospace; font-size: 0.9em; }
pre { padding: 1rem; overflow-x: auto; background: var(--rule); border-radius: 6px; }

.post-list { list-style: none; padding: 0; }
.post-list li { padding: 0.4rem 0; }
.post-list time { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 1rem; }

.site-footer {
  margin-top: 4rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}