:root {
  --text: #222;
  --muted: #626262;
  --blue: #145da0;
  --line: #d8d8d8;
  --soft: #f6f7f8;
  --width: 980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans", sans-serif;
}
a, a:link, a:visited { color: var(--blue); text-decoration: none; }
a:hover, a:focus-visible { color: var(--blue); text-decoration: underline; }
img { max-width: 100%; }
.page { width: min(calc(100% - 40px), var(--width)); margin: 0 auto; }

.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.site-name, .site-name:link, .site-name:visited { color: var(--text); font-size: 18px; font-weight: 650; }
.site-name:hover { text-decoration: none; }
nav { display: flex; gap: 24px; font-size: 14px; }
nav a, nav a:link, nav a:visited { color: var(--blue); }
nav a.active, nav a.active:visited { color: var(--text); font-weight: 650; text-decoration: none; }
.header-controls { display: flex; align-items: center; gap: 12px; margin-left: 22px; }
.lang-toggle { padding: 4px 9px; color: var(--blue); background: #fff; border: 1px solid #b8c9d8; border-radius: 3px; font-size: 12px; cursor: pointer; }
.lang-toggle:hover { background: var(--soft); }
.menu-button { display: none; padding: 5px 0; color: var(--blue); background: transparent; border: 0; cursor: pointer; }

main section { padding: 34px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 20px; }
.profile { display: grid; grid-template-columns: 220px 1fr; gap: 38px; padding-top: 42px; }
.portrait { width: 220px; aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid #ccc; }
h1 { margin: 0 0 2px; font-family: Georgia, "Times New Roman", serif; font-size: 36px; line-height: 1.25; font-weight: 600; }
h1 span { margin-left: 5px; color: var(--muted); font-family: inherit; font-size: 23px; font-weight: 400; }
.profile-copy p { margin: 4px 0; }
.profile-copy .position { font-size: 18px; font-weight: 600; }
.profile-copy .bio { margin-top: 18px; }
.contact { margin-top: 16px !important; }
h2 { margin: 0 0 18px; font-family: Georgia, "Times New Roman", serif; font-size: 25px; line-height: 1.3; font-weight: 600; }
.section-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.section-title-row > a { font-size: 14px; }
.research-list { margin: 10px 0 0; padding-left: 22px; }
.research-list li { margin: 7px 0; }

.dated-list { margin: 0; padding: 0; color: var(--text); list-style: none; }
.dated-list li { display: grid; grid-template-columns: 118px 1fr; gap: 18px; padding: 7px 0; color: var(--text); }
.dated-list time { color: var(--muted); font-variant-numeric: tabular-nums; }
.news-copy { min-width: 0; color: var(--text); }
.news-title { display: block; color: var(--text); }
.news-description { margin: 4px 0 0; color: var(--muted); }
.subpage .dated-list, .subpage .news-copy, .subpage .news-title { color: var(--text); }
.subpage .news-description, .subpage .dated-list time { color: var(--muted); }

.publication-list { margin: 0; padding: 0; list-style: none; counter-reset: papers; }
.publication-list li {
  display: block;
  padding: 16px 0;
  border-top: 1px solid #ececec;
}
.publication-list li:first-child { border-top: 0; padding-top: 4px; }
.publication-list p { margin: 1px 0; font-size: 14px; line-height: 1.5; }
.publication-list .paper-title { margin-bottom: 3px; font-size: 16px; font-weight: 650; }
.paper-links { margin-top: 5px !important; }
.publication-list, .publication-list li, .publication-list .paper-title, .publication-list .paper-authors { color: var(--text); font-family: inherit; }
.featured-publications li { display: grid; grid-template-columns: 155px 1fr; gap: 22px; padding: 22px 0; }
.featured-publications li:first-child { padding-top: 4px; }
.featured-publications .paper-cover { width: 155px; height: 92px; object-fit: cover; background: var(--soft); border: 1px solid #ddd; }
.subpage .publication-list li { display: block; color: var(--text); }
.subpage .publication-list .paper-title, .subpage .publication-list p { color: var(--text); }
.subpage .publication-list .paper-links a, .subpage .publication-list .paper-links a:visited { color: var(--blue); }

.career-list { margin: 0; }
.career-list div { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 6px 0; }
.career-list dt { color: var(--muted); font-variant-numeric: tabular-nums; }
.career-list dd { margin: 0; }

.loading-item { display: block !important; padding: 8px 0 !important; color: var(--muted); border: 0 !important; }
.subpage { color: var(--text); background: #fff; }
.subpage .topbar, .subpage footer { color: var(--text); }
.page-intro { padding-top: 46px; background: #fff; }
.page-intro h1 { margin-bottom: 8px; }
.page-intro > p:last-child { margin-bottom: 0; color: var(--muted); }
.breadcrumb { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.list-page-section { padding-top: 18px; background: #fff; }
.detailed-news li { padding: 15px 0; border-bottom: 1px solid #ececec; }
.detailed-news li:last-child { border-bottom: 0; }

footer { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 13px; }
footer p { margin: 0; }

@media (max-width: 700px) {
  .topbar { position: relative; }
  .header-controls { margin-left: auto; }
  .menu-button { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: -20px;
    right: -20px;
    z-index: 10;
    padding: 14px 20px;
    flex-direction: column;
    gap: 8px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  nav.open { display: flex; }
  .profile { grid-template-columns: 1fr; gap: 24px; }
  .portrait { width: 170px; }
  h1 { font-size: 31px; }
  .featured-publications li { grid-template-columns: 115px 1fr; gap: 15px; }
  .featured-publications .paper-cover { width: 115px; height: 76px; }
}

@media (max-width: 480px) {
  .page { width: min(calc(100% - 30px), var(--width)); }
  main section { padding: 28px 0; }
  .dated-list li, .career-list div { grid-template-columns: 1fr; gap: 0; padding: 8px 0; }
  .featured-publications li { grid-template-columns: 1fr; }
  .featured-publications .paper-cover { width: 170px; height: 100px; }
  footer { padding: 24px 0; align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}