:root {
  --flat-bg: #ffffff;
  --flat-muted: rgba(0, 0, 0, 0.6);
  --flat-border: rgba(0, 0, 0, 0.08);
  --flat-card: rgba(0, 0, 0, 0.03);
  --flat-accent: #111827;
}

/* Reduce heavy theme chrome for a flatter look */
.dynamic-title {
  display: none;
}

/* Full-width main content (hide the right panel) */
#panel-wrapper {
  display: none !important;
}

#main-wrapper main.col-lg-11,
#main-wrapper main.col-xl-9,
#tail-wrapper.col-lg-11,
#tail-wrapper.col-xl-9 {
  flex: 0 0 100% !important;
  max-width: 100% !important;
}

/* Profile hero */
.profile-hero {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  align-items: center;
  padding: 8px 0 14px;
}

.profile-hero__avatar img {
  width: 92px;
  height: 92px;
  border-radius: 999px;
  object-fit: cover;
  background: var(--flat-card);
}

.profile-hero__name {
  font-size: 1.8rem;
  line-height: 1.2;
  margin: 0;
  color: var(--flat-accent);
}

.profile-hero__headline {
  margin: 6px 0 0;
  color: var(--flat-muted);
}

.profile-hero__location {
  margin: 2px 0 0;
  color: var(--flat-muted);
}

.profile-hero__links {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--flat-card);
  color: var(--flat-accent) !important;
  text-decoration: none;
}

.icon-link:hover {
  background: rgba(0, 0, 0, 0.06);
  text-decoration: none;
}

/* Sidebar directory (remove rounded tiles) */
#sidebar .nav-link {
  border-radius: 0 !important;
  background: transparent !important;
  padding: 10px 12px;
  text-decoration: none;
}

#sidebar .nav-link:hover,
#sidebar .nav-item.active .nav-link {
  background: var(--flat-card) !important;
  text-decoration: none;
}

/* Quick links (top-nav style; no pill corners) */
.quick-links {
  display: flex;
  gap: 0;
  margin: 6px 0 18px;
  padding: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.quick-links::-webkit-scrollbar {
  display: none;
}

.quick-links__item {
  padding: 10px 14px;
  border-radius: 0;
  color: var(--flat-accent) !important;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
  flex: 0 0 auto;
}

.quick-links__item:hover {
  background: rgba(0, 0, 0, 0.06);
  text-decoration: none;
}

.quick-links__item.is-active {
  background: var(--flat-card);
}

/* About layout */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 10px;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-grid__col {
  min-height: 0;
}

.about-text p {
  margin: 0 0 0.8rem;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}

@media (min-width: 901px) {
  .timeline {
    padding-right: 6px;
    scrollbar-gutter: stable;
  }
}

.timeline__item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  padding: 10px 0;
}

.timeline__date {
  font-variant-numeric: tabular-nums;
  color: var(--flat-muted);
}

.timeline__text {
  color: var(--flat-accent);
}

.research-figure {
  margin: 10px 0 0;
}

.research-figure img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: var(--flat-card);
}

.research-figure figcaption {
  margin-top: 8px;
  color: var(--flat-muted);
}

/* Publications */
.pub-tabs {
  display: flex;
  gap: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  margin: 10px 0 14px;
  scrollbar-width: none;
}

.pub-tabs::-webkit-scrollbar {
  display: none;
}

.pub-tab {
  border: 0;
  background: transparent;
  padding: 10px 14px;
  border-radius: 0;
  font-weight: 800;
  color: var(--flat-accent);
  white-space: nowrap;
  flex: 0 0 auto;
}

.pub-tab:hover {
  background: rgba(0, 0, 0, 0.06);
}

.pub-tab.is-active {
  background: var(--flat-card);
  box-shadow: inset 0 -2px 0 var(--flat-accent);
}

.pub-filter {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--flat-card);
}

.pub-filter__label {
  color: var(--flat-muted);
}

.pub-filter__tag {
  font-weight: 700;
}

.pub-filter__clear {
  border: 0;
  background: transparent;
  font-weight: 700;
  padding: 0;
  color: var(--flat-accent);
}

.pub-card {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 16px;
  padding: 14px;
  border-radius: 16px;
  background: var(--flat-card);
  margin-bottom: 14px;
  cursor: pointer;
}

.pub-card--disabled {
  cursor: default;
  opacity: 0.8;
}

.pub-card:focus-visible {
  outline: 2px solid rgba(17, 24, 39, 0.35);
  outline-offset: 2px;
}

.pub-card__media img {
  width: 100%;
  height: 108px;
  object-fit: cover;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.04);
}

@media (max-width: 700px) {
  .pub-card {
    grid-template-columns: 1fr;
  }

  .pub-card__media img {
    height: 168px;
  }
}

.pub-title {
  font-weight: 800;
  margin-bottom: 6px;
}

.pub-position,
.pub-venue,
.pub-authors {
  color: var(--flat-muted);
  margin-bottom: 4px;
}

.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.pub-tag {
  border: 0;
  background: rgba(0, 0, 0, 0.06);
  color: var(--flat-accent);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
}

.pub-tag:hover {
  background: rgba(0, 0, 0, 0.09);
}

.pub-cite-list {
  padding-left: 1.1rem;
}

.pub-cite {
  margin: 0 0 12px;
}

.pub-cite__title {
  font-weight: 800;
  text-decoration: none;
}

.pub-cite__venue,
.pub-cite__authors {
  display: block;
  color: var(--flat-muted);
}

.pub-tag--inline {
  margin-left: 8px;
}

/* CV */
.cv-embed iframe {
  width: 100%;
  height: min(80vh, 900px);
  border: 0;
  border-radius: 14px;
  background: var(--flat-bg);
}

.home-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

@media (max-width: 900px) {
  .home-cards {
    grid-template-columns: 1fr;
  }
}

.home-card {
  display: block;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--flat-card);
  color: var(--flat-accent) !important;
  font-weight: 800;
  text-decoration: none;
}

.home-card:hover {
  background: rgba(0, 0, 0, 0.06);
  text-decoration: none;
}