/* Deliberately small and dependency-free: a reading page needs type, measure
   and contrast, not a framework. */
:root {
  --fg: #1a1a1a;
  --muted: #5a5f66;
  --bg: #ffffff;
  --accent: #0b5cad;   /* 5.4:1 on white, above the 4.5:1 minimum */
  --rule: #e2e5e9;
  --notice-bg: #fff6e0;
  --notice-fg: #6b4a00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --muted: #a2a9b2;
    --bg: #14171a;
    --accent: #7fb6ef;  /* 6.9:1 on the dark background */
    --rule: #2c3238;
    --notice-bg: #33291a;
    --notice-fg: #f0d9a8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem 4rem; }
.masthead {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
  padding: 1rem 1.25rem;
}
.wordmark {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
/* Never remove focus rings: keyboard users need them. */
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--bg);
  color: var(--fg);
  padding: 0.6rem 1rem;
  z-index: 10;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  border: 2px solid var(--accent);
  border-radius: 4px;
}
h1 { font-size: 1.9rem; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 0.4rem; }
h2 {
  font-size: 1.3rem;
  margin: 2.75rem 0 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1.06rem; line-height: 1.4; margin: 2rem 0 0.4rem; }
.tagline, .lede { color: var(--muted); }
.meta { color: var(--muted); font-size: 0.9rem; }
/* The Markdown renderer emits the per-entry byline as emphasis. */
article em { color: var(--muted); font-style: normal; font-size: 0.875rem; }
.notice {
  background: var(--notice-bg);
  color: var(--notice-fg);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.925rem;
}
.issue-list { list-style: none; padding: 0; }
.issue-list li { border-bottom: 1px solid var(--rule); padding: 0.7rem 0; }
.issue-list a { font-weight: 600; }
.tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  color: var(--muted);
}
.pager { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.site-footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  color: var(--muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--rule);
}
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0 1.5rem; }