body {
  --site-bg: #f7f8fa; --site-ink: #202a35; --site-muted: #536171;
  --site-accent: #15576b; --site-line: #d5dde4;
  box-sizing: border-box; max-width: 1120px; background: var(--site-bg); color: var(--site-ink);
}
@media (prefers-color-scheme: dark) {
  body { --site-bg: #13181e; --site-ink: #edf1f5; --site-muted: #b2bdca; --site-accent: #9bdae8; --site-line: #46525f; }
}
body > .site-header { border-bottom: 1px solid var(--site-line); margin-bottom: 32px; padding-bottom: 16px; }
body .site-header .site-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.2; margin: 4px 0 18px; }
body .site-header .site-brand { color: var(--site-ink); font-size: inherit; line-height: inherit; }
body .site-header .site-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 12px; }
body .site-header .site-nav a { margin: 0; font-size: .9rem; color: var(--site-muted); }
body .site-header .site-nav a[aria-current] { color: var(--site-accent); font-weight: 700; }
body .site-header a:focus-visible { outline: 3px solid var(--site-accent); outline-offset: 4px; }
body a { color: var(--site-accent); }
body > footer { border-color: var(--site-line); color: var(--site-muted); }
#weekly-papers, #weekly-books { scroll-margin-top: 24px; }
.weekly-jump { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.weekly-items { list-style: none; padding: 0; }
.weekly-items li { border-top: 1px solid var(--site-line); padding: 16px 0; }
.weekly-items li p { margin: 8px 0; max-width: 70em; }
.weekly-meta { color: var(--site-muted); font-size: .85rem; }
.weekly-archive li { margin: 8px 0; }
.weekly-book-review h2 { scroll-margin-top: 24px; }
.weekly-book-review p { max-width: 75em; }
.discovery-jump { display: flex; flex-wrap: wrap; gap: 8px 12px; margin: 16px 0 20px; }
.discovery-jump a { display: inline-block; padding: 5px 12px; border: 1px solid var(--site-line); border-radius: 6px; font-size: .85rem; }
.discovery-jump a:focus-visible { outline: 3px solid var(--site-accent); outline-offset: 3px; }
#papers-theme-label, #shelf-genre-label, #papers-search, #shelf-search { scroll-margin-top: 24px; }
.shelf-filter-row #shelf-genre-label { flex-basis: 8.5em; white-space: nowrap; }
@media (max-width: 600px) {
  body { padding: 20px 16px 48px; }
  body .site-header .site-nav { gap: 8px 16px; }
}