:root {
  --bg: #ffffff;
  --text: #1d1e20;
  --muted: #5f6368;
  --rule: #e6e6e6;
  --accent: #1f5fa8;
  --thumb-bg: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131416;
    --text: #e8e8e6;
    --muted: #a3a6ab;
    --rule: #2a2c30;
    --accent: #84b4ee;
    --thumb-bg: #f4f4f4;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 780px; margin: 0 auto; padding: 56px 20px 40px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1rem; line-height: 1.4; margin: 0 0 4px; font-weight: 600; }
h3 a { color: var(--text); }
p { margin: 0 0 12px; }
section { margin-top: 44px; }

.intro { display: flex; gap: 36px; align-items: flex-start; }
.intro-text { flex: 1; }
.role { color: var(--muted); margin-bottom: 18px; }
.note { font-weight: 600; }
.links { margin-top: 18px; }
.links span { color: var(--rule); margin: 0 6px; }
.photo { width: 168px; height: 168px; border-radius: 50%; object-fit: cover; flex-shrink: 0; margin-top: 6px; }

.news, .cv { list-style: none; margin: 0; padding: 0; }
.news li, .cv li { display: grid; grid-template-columns: 96px 1fr; gap: 12px; margin-bottom: 8px; }
.date { color: var(--muted); font-variant-numeric: tabular-nums; }

.paper { display: grid; grid-template-columns: 220px 1fr; gap: 24px; margin-bottom: 32px; align-items: start; }
.thumb { display: block; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; background: var(--thumb-bg); }
.thumb img, .thumb video { display: block; width: 100%; height: auto; }
.authors { margin-bottom: 2px; }
.venue { color: var(--muted); font-style: italic; margin-bottom: 8px; }
.tldr { font-size: 0.95rem; }
.plinks a { margin-right: 14px; font-weight: 600; font-size: 0.95rem; }

footer { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.85rem; }

@media (max-width: 640px) {
  main { padding-top: 32px; }
  .intro { flex-direction: column-reverse; gap: 16px; }
  .photo { width: 120px; height: 120px; margin-top: 0; }
  .paper { grid-template-columns: 1fr; gap: 12px; }
  .news li, .cv li { grid-template-columns: 1fr; gap: 0; }
}