:root {
  color-scheme: light;
  --text: #202124;
  --muted: #62666c;
  --line: #e5e7eb;
  --link: #1772d0;
  --hover: #ab5811;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "Lato", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--hover); }
a:focus-visible, [tabindex="0"]:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 5px;
  border-radius: 2px;
}
[hidden] { display: none !important; }

.site-header, main {
  width: min(800px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header { padding-top: 48px; }
h1 { margin: 0 0 24px; font-size: 32px; line-height: 1.25; font-weight: 400; }
.brand { color: var(--text); }

.category-tabs {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  scroll-padding-inline: 4px;
}

.category-tab {
  flex: 0 0 auto;
  padding: 12px 0 13px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
}

.category-tab:hover { color: var(--link); }
.category-tab[aria-selected="true"] { color: var(--link); border-bottom-color: var(--link); }
.category-tab:focus-visible { outline-offset: -2px; }

main { padding-bottom: 48px; }
.group { margin-top: 34px; }
.group-title { margin: 0; font-size: 23px; line-height: 1.35; font-weight: 400; }
.research-interests { margin: 12px 0 0; }
.research-list { display: grid; gap: 32px; margin-top: 28px; }
.research-entry { display: grid; grid-template-columns: 176px minmax(0, 1fr); align-items: center; gap: 28px; }
.research-preview { display: block; }
.research-preview img { display: block; width: 100%; height: auto; max-height: 172px; object-fit: contain; }
.research-details h3 { margin: 0 0 5px; font-size: 16px; line-height: 1.4; font-weight: 600; }
.research-details p { margin: 0; font-size: 14px; line-height: 1.5; }
.research-details .research-description { margin-top: 9px; }
.research-venue { color: var(--muted); font-style: italic; }
.research-links { display: flex; flex-wrap: wrap; gap: 0 8px; margin-top: 5px !important; }
.research-links span { color: var(--muted); }

.page-list { display: grid; margin-top: 18px; }
.page-link { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.page-link span { color: var(--muted); font-size: 13px; }
.page-link strong { font-size: 16px; font-weight: 500; }
.site-footer { margin-top: 42px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 14px; }

@media (max-width: 580px) {
  .site-header { padding-top: 30px; }
  h1 { margin-bottom: 18px; }
  .category-tabs { gap: 24px; }
  .group { margin-top: 28px; }
  .research-entry { grid-template-columns: 120px minmax(0, 1fr); align-items: start; gap: 18px; }
  .research-preview img { max-height: 128px; }
}

@media (max-width: 440px) {
  .research-entry { grid-template-columns: 1fr; gap: 14px; }
  .research-preview { width: 176px; }
  .research-preview img { max-height: 148px; }
  .research-list { gap: 34px; }
}