/* One stylesheet, system fonts only (nothing loads from a third party). */
:root {
  --bg: #fbfaf7;
  --fg: #1d2327;
  --muted: #5a646b;
  --rule: #dcd8cf;
  --link: #1f5f8b;
  --link-visited: #5b4a8a;
  --accent-bg: #f1eee6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161b1f;
    --fg: #e8e6e1;
    --muted: #a3acb2;
    --rule: #333b41;
    --link: #8cc3ea;
    --link-visited: #c2b2ee;
    --accent-bg: #1f262b;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.125rem/1.65 Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
}
header.site, main, footer.site {
  max-width: 42rem; /* about 70 characters a line */
  margin: 0 auto;
  padding: 0 1rem;
}
header.site {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header.site .name { font-weight: 700; color: var(--fg); text-decoration: none; }
header.site nav { display: flex; gap: 1rem; }
main { padding-top: 1.5rem; padding-bottom: 2.5rem; }
footer.site {
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  padding-bottom: 2rem;
  color: var(--muted);
  font: 0.9rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1, h2, h3 {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.25;
  text-wrap: balance;
}
h1 { font-size: 1.9rem; margin: 0.25rem 0 0.5rem; }
h2 { font-size: 1.3rem; margin: 2.25rem 0 0.5rem; }
h3 { font-size: 1.1rem; margin: 1.75rem 0 0.5rem; }
p, ul, ol { margin: 0 0 1rem; }
li { margin: 0.25rem 0; }
a { color: var(--link); text-underline-offset: 0.15em; }
a:visited { color: var(--link-visited); }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; border-radius: 2px; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }
blockquote { margin: 1rem 0; padding: 0 1rem; border-left: 3px solid var(--rule); color: var(--muted); }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: 0.95rem; }
th, td { border: 1px solid var(--rule); padding: 0.4rem 0.6rem; text-align: left; vertical-align: top; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--bg); padding: 0.5rem; }

.series, .meta, .hint { color: var(--muted); font: 0.9rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.series { margin: 0; text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.8rem; }
.meta { margin-bottom: 1.75rem; }

/* Sources: smaller, so the article reads first. */
article h2:last-of-type + ul { font-size: 0.95rem; }

.dates { list-style: none; padding: 0; }
.dates li { padding: 0.5rem 0.75rem; background: var(--accent-bg); border-radius: 4px; margin: 0.4rem 0; }
.dates time { font-weight: 700; }
.dates .past { opacity: 0.6; }

.posts { padding-left: 1.5rem; }
.posts li { margin: 0.9rem 0; }
.posts a { font-weight: 700; }
.posts p { margin: 0.15rem 0 0; color: var(--muted); }

.pager {
  display: grid;
  gap: 0.75rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.pager a { display: block; }
.pager span { display: block; color: var(--muted); font-size: 0.85rem; }
.pager a[rel="next"] { text-align: right; }
@media (min-width: 40rem) {
  .pager { grid-template-columns: 1fr 1fr; }
  .pager a[rel="next"]:only-child { grid-column: 2; }
}