:root {
  --bg: #fdfdfc;
  --fg: #1d1d1b;
  --muted: #6b6b66;
  --rule: #e4e3de;
  --link: #1f5a96;
  --card: #ffffff;
  --serif: "Source Serif 4", "Charter", "Georgia", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171716;
    --fg: #e8e7e3;
    --muted: #9c9b95;
    --rule: #2f2f2c;
    --link: #8ab8e6;
    --card: #1e1e1c;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.65 var(--serif);
  font-variant-numeric: lining-nums;
}
a { color: var(--link); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--sans); line-height: 1.25; }
h1 { font-size: 1.9rem; margin: 0 0 .4rem; }
h2 { font-size: 1.2rem; margin: 2.2rem 0 .6rem; }
h3 { font-size: 1.02rem; margin: 1.6rem 0 .4rem; }
code { font-size: .88em; }
pre { overflow-x: auto; padding: .8rem 1rem; background: var(--card); border: 1px solid var(--rule); border-radius: 4px; }

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }
main.wrap { padding-top: 2.5rem; padding-bottom: 4rem; min-height: 70vh; }
.muted, .meta { color: var(--muted); }
.meta { font-family: var(--sans); font-size: .85rem; margin: 0 0 .5rem; }
.lede { font-size: 1.1rem; color: var(--muted); margin-top: 0; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); font-family: var(--sans); font-size: .95rem; }
.nav { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; padding-top: .9rem; padding-bottom: .9rem; }
.nav a { color: var(--fg); text-decoration: none; }
.nav a:hover, .nav a.active { color: var(--link); }
.nav-home { font-weight: 600; }
.nav-links { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.nav-right { margin-left: auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); font-family: var(--sans); font-size: .85rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; padding-top: 1.2rem; padding-bottom: 1.5rem; }
.footer-links a { color: var(--muted); margin-left: 1rem; }
.footer-links a:first-child { margin-left: 0; }

/* Home */
.intro { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; }
.portrait { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.affil { margin: 0; font-family: var(--sans); color: var(--muted); }
@media (max-width: 520px) {
  .intro { flex-direction: column; align-items: flex-start; }
  .portrait { width: 112px; height: 112px; }
}

/* Lists */
.post-list, .link-list, .work-list, .pub-list, .resource-cards { padding: 0; list-style: none; }
.post-list li { margin-bottom: 1rem; }
.post-list time { display: block; font-family: var(--sans); font-size: .8rem; color: var(--muted); }
.post-list p, .link-list p, .work-list p { margin: .15rem 0 0; color: var(--muted); font-size: .95rem; }
.link-list li, .work-list li { margin-bottom: 1rem; }
.cite { display: block; font-size: .92rem; color: var(--muted); }
.tag { font-family: var(--sans); font-size: .72rem; padding: .05rem .4rem; border: 1px solid var(--rule); border-radius: 3px; color: var(--muted); vertical-align: 2px; }
.badge { color: var(--muted); font-weight: 400; font-size: .8em; }
.abbr { color: var(--muted); font-weight: 400; }

/* T1D hub */
.resource-cards li { margin-bottom: 1rem; }
.card { display: block; padding: 1rem 1.2rem; border: 1px solid var(--rule); border-radius: 6px; background: var(--card); color: var(--fg); text-decoration: none; }
.card:hover { border-color: var(--link); }
.card h2 { margin: 0 0 .3rem; font-size: 1.15rem; color: var(--link); }
.card p { margin: 0; }
.card .counts { margin-top: .5rem; font-family: var(--sans); font-size: .8rem; color: var(--muted); }

/* Resource page */
.jump { display: flex; gap: 1rem; flex-wrap: wrap; font-family: var(--sans); font-size: .85rem; padding: .6rem 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.resource section { scroll-margin-top: 1rem; }

/* Publications */
.pub-list li { margin-bottom: 1.4rem; }
.pub-list span { display: block; }
.pub-title { font-weight: 600; }
.pub-authors, .pub-venue { font-size: .95rem; color: var(--muted); }
.pub-authors strong { color: var(--fg); font-weight: 600; }
.pub-links { font-family: var(--sans); font-size: .85rem; }
.pub-links a { margin-right: .9rem; }