:root {
  --ink: #18222d;
  --muted: #5f6c77;
  --accent: #0b6680;
  --accent-dark: #084c60;
  --line: #dce3e7;
  --paper: #ffffff;
  --soft: #f4f7f8;
}

body { color: var(--ink); background: var(--paper); }
.navbar { border-bottom: 1px solid var(--line); }
.navbar-brand { color: var(--ink); font-weight: 700; letter-spacing: -0.02em; }
.navbar-nav .nav-link { font-size: 1rem; font-weight: 550; }
.navbar-nav .nav-link.active, .navbar-nav .nav-link:hover { color: var(--accent); }
#TOC { font-size: 0.95rem; }
#TOC a.active { color: var(--accent); }
main.content { max-width: 1120px; }

@media (min-width: 992px) {
  #quarto-sidebar.sidebar-navigation {
    position: sticky;
    top: 4.5rem;
    max-height: calc(100vh - 5.5rem);
    overflow-y: auto;
    align-self: start;
  }
}
.home-page #title-block-header { display: none; }
h1, h2, h3 { letter-spacing: -0.025em; }
h1 { font-weight: 750; }
h2 { margin-top: 2.8rem; padding-bottom: 0.45rem; border-bottom: 1px solid var(--line); }

.profile-hero {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
  margin: 1rem 0 3.5rem;
}
.profile-photo { text-align: center; }
.profile-photo p { margin: 0; }
.profile-photo img {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%;
  box-shadow: 0 14px 36px rgba(20, 37, 48, 0.16);
}
.profile-name {
  margin-top: 1rem; font-size: 1.45rem; font-weight: 750;
  letter-spacing: -0.025em;
}
.profile-affiliation {
  margin-top: 0.15rem; color: var(--muted); font-style: italic;
  font-weight: 400;
}
.profile-intro h2 {
  margin: 0 0 1rem; padding: 0; border: 0;
  font-size: clamp(1.75rem, 3vw, 2.65rem);
}
.profile-intro p { max-width: 760px; font-size: 1.08rem; line-height: 1.7; }
.btn { margin: 0.25rem 0.25rem 0.25rem 0; border-radius: 999px; }
.btn-primary { background: var(--accent); border-color: var(--accent); }
.btn-outline-primary { color: var(--accent); border-color: var(--accent); }

.interest-grid, .education-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem;
}
.interest-card, .education-card {
  padding: 1.3rem 1.4rem; border: 1px solid var(--line);
  border-radius: 0.8rem; background: var(--soft);
}
.interest-card h3 { margin-top: 0; font-size: 1.08rem; }
.interest-card p, .education-card p { margin-bottom: 0; }

.timeline { margin-top: 1.5rem; }
.timeline-item {
  display: grid; grid-template-columns: 8rem 4.5rem minmax(0, 1fr);
  gap: 1.5rem; padding: 0 0 1.7rem;
}
.timeline-date {
  color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums;
}
.timeline-body { padding-left: 1.5rem; border-left: 2px solid var(--line); }
.timeline-body h3 { margin: 0 0 0.35rem; font-size: 1.12rem; }
.timeline-body p { margin: 0 0 0.4rem; }
.timeline-logo {
  display: flex; align-items: center; justify-content: center;
  width: 4.5rem; height: 4.5rem; padding: 0.55rem;
  border: 1px solid var(--line); border-radius: 0.8rem;
  background: #fff;
}
.timeline-logo img {
  display: block; width: 100%; height: 100%; margin: 0;
  object-fit: contain;
}
.organization-monogram {
  color: var(--accent); background: var(--soft);
  font-weight: 800; letter-spacing: -0.04em;
}

.project-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 290px));
  gap: 1.25rem; margin: 0.5rem 0 3rem;
}
.project-card {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line); border-radius: 0.8rem;
  background: var(--paper); color: var(--ink); text-decoration: none;
  box-shadow: 0 5px 18px rgba(20, 37, 48, 0.07);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.project-card:hover {
  border-color: var(--accent); color: var(--accent);
  box-shadow: 0 10px 26px rgba(20, 37, 48, 0.13);
  transform: translateY(-2px);
}
.project-card img {
  width: 100%; aspect-ratio: 16 / 10; object-fit: contain;
  padding: 0.7rem; border-bottom: 1px solid var(--line); background: #fff;
}
.project-card-title {
  display: block; padding: 0.9rem 1rem 1rem;
  font-size: 1.02rem; font-weight: 700; line-height: 1.35;
}

.publication-list { margin-top: 1.25rem; }
.publication-item {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1.35rem; padding: 1.45rem 0; border-top: 1px solid var(--line);
}
.publication-year {
  color: var(--accent); font-weight: 750; font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}
.publication-title {
  margin: 0 0 0.38rem; padding: 0; border: 0;
  font-size: 1.13rem; line-height: 1.35;
}
.publication-authors { color: var(--muted); line-height: 1.5; }
.publication-venue { margin-top: 0.3rem; font-style: italic; }
.publication-type {
  display: inline-block; margin-left: 0.65rem; padding: 0.08rem 0.45rem;
  border-radius: 999px; color: var(--muted); background: var(--soft);
  font-size: 0.75rem; font-style: normal; text-transform: uppercase;
  letter-spacing: 0.04em;
}
.publication-actions {
  display: flex; align-items: flex-start; flex-wrap: wrap;
  gap: 0.7rem; margin-top: 0.65rem; font-size: 0.88rem;
}
.publication-link, .publication-abstract summary, .publication-bibtex summary {
  color: var(--accent); font-weight: 650; text-decoration: none;
}
.publication-link:hover, .publication-abstract summary:hover, .publication-bibtex summary:hover {
  color: var(--accent-dark); text-decoration: underline;
}
.publication-abstract, .publication-bibtex { flex-basis: 100%; order: 2; }
.publication-abstract summary, .publication-bibtex summary {
  width: max-content; cursor: pointer; list-style-position: outside;
}
.publication-abstract p {
  max-width: 850px; margin: 0.65rem 0 0; padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent); background: var(--soft);
  color: #34434e; line-height: 1.62;
}
.publication-bibtex pre {
  max-width: 850px; margin: 0.65rem 0 0; padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent); border-radius: 0;
  background: #202a33; color: #f3f6f8; overflow-x: auto;
  font-size: 0.8rem; line-height: 1.5; white-space: pre;
}
#listing-publications .listing-actions-group {
  display: flex; align-items: center; justify-content: flex-end; gap: 0.75rem;
}
.publication-search-label { margin: 0 0 1rem; color: var(--muted); font-weight: 650; }
#listing-publications .quarto-listing-filter {
  flex: 0 1 30rem; width: min(30rem, 100%);
}
#listing-publications .quarto-listing-filter .search { min-width: 0; }
.quarto-listing-filter, .quarto-listing-category, .quarto-listing-sort { margin-bottom: 1rem; }

.patent-list { margin-top: 1rem; }
.patent-item {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1.35rem; padding: 1.25rem 0; border-top: 1px solid var(--line);
}
.patent-year {
  color: var(--accent); font-weight: 750; font-variant-numeric: tabular-nums;
}
.patent-title { margin: 0 0 0.35rem; font-size: 1.08rem; }
.patent-title a { color: var(--ink); text-decoration: none; }
.patent-title a:hover { color: var(--accent); text-decoration: underline; }
.patent-authors { color: var(--muted); line-height: 1.5; }
.patent-details { margin-top: 0.25rem; font-size: 0.9rem; }

@media (max-width: 760px) {
  .profile-hero { grid-template-columns: 1fr; gap: 1.5rem; }
  .profile-photo img { max-width: 190px; }
  .project-grid { grid-template-columns: 1fr; }
  .interest-grid, .education-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 3.75rem minmax(0, 1fr); gap: 0.65rem 1rem; }
  .timeline-date { grid-column: 1 / -1; }
  .timeline-logo { width: 3.75rem; height: 3.75rem; }
  .timeline-body { padding-left: 1rem; }
  .publication-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .patent-item { grid-template-columns: 1fr; gap: 0.35rem; }
  #listing-publications .listing-actions-group { align-items: stretch; flex-direction: column; }
  .publication-search-label { align-self: flex-start; margin-bottom: 0; }
  #listing-publications .quarto-listing-filter { flex-basis: auto; width: 100%; }
}