/* Maximilian Siebel — site-specific design layer */
:root {
  --global-theme-color: #123b63;
  --global-hover-color: #0b5e9c;
}

html[data-theme="dark"] {
  --global-theme-color: #80b5e5;
  --global-hover-color: #acd3f4;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.2rem 0 0.85rem;
}
.quick-links a {
  border: 1px solid var(--global-theme-color);
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
  font-size: 0.88rem;
  font-weight: 500;
}
.quick-links a:hover {
  color: var(--global-bg-color);
  background: var(--global-theme-color);
  text-decoration: none;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.8rem 0 2.3rem;
}
.research-card {
  position: relative;
  border: 1px solid var(--global-divider-color);
  border-top: 3px solid var(--global-theme-color);
  border-radius: 0.45rem;
  padding: 1.15rem 1.1rem 1rem;
  background: var(--global-card-bg-color);
}
.research-card h2 {
  margin-top: 0.15rem;
  font-size: 1.23rem;
  font-weight: 500;
}
.research-card p {
  font-size: 0.94rem;
}
.research-number {
  color: var(--global-theme-color);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.research-keywords {
  margin-bottom: 0;
  color: var(--global-text-color-light);
  font-size: 0.82rem !important;
}

.academic-list {
  border-left: 2px solid var(--global-divider-color);
  margin: 0.8rem 0 2rem 0.35rem;
  padding-left: 1.25rem;
}
.academic-list h3 {
  position: relative;
  margin: 1.15rem 0 0.28rem;
  font-size: 1.05rem;
  font-weight: 500;
}
.academic-list h3::before {
  position: absolute;
  top: 0.42rem;
  left: -1.7rem;
  width: 0.72rem;
  height: 0.72rem;
  border: 2px solid var(--global-theme-color);
  border-radius: 50%;
  background: var(--global-bg-color);
  content: "";
}
.academic-list p {
  margin-bottom: 0.35rem;
  color: var(--global-text-color-light);
  font-size: 0.92rem;
}

.event-tag,
.supervision-note {
  display: inline-block;
  margin-right: 0.35rem;
  border-radius: 999px;
  padding: 0.08rem 0.48rem;
  color: var(--global-theme-color);
  background: color-mix(in srgb, var(--global-theme-color) 11%, transparent);
  font-size: 0.76rem;
  font-weight: 500;
  white-space: nowrap;
}
.publications ol.bibliography li .abbr abbr {
  background-color: var(--global-theme-color);
  box-shadow: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

@media (max-width: 780px) {
  .research-grid {
    grid-template-columns: 1fr;
  }
}

/* Hide DOI buttons while keeping DOI metadata in BibTeX. */