/* Tab navigation */
.tab-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: var(--tab-height);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-bg);
}

.tab-nav__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--tab-height);
  font-size: var(--text-nav);
  font-weight: 320;
  outline: var(--border-width) solid var(--color-fg);
  transition: background-color 0.2s, color 0.2s;
}

.tab-nav__item:hover {
  background: var(--color-accent-bg);
  color: var(--color-accent-fg);
}

.tab-nav__item.is-active {
  background: var(--color-accent-bg);
  color: var(--color-accent-fg);
}

@media (max-width: 767px) {
  .tab-nav {
    position: static;
    grid-column: 1 / -1;
    grid-row: 2;
    width: auto;
    z-index: auto;
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .tab-nav__item:nth-child(1) {
    grid-column: 1 / span 2;
  }

  .tab-nav__item:nth-child(2) {
    grid-column: 3 / span 2;
  }

  .tab-nav__item:nth-child(3) {
    grid-column: 5 / span 2;
  }

  .tab-nav__item.is-active {
    background: var(--color-bg);
    color: var(--color-fg);
  }

  .site[data-mobile-view="tab"] .tab-nav__item.is-active {
    background: var(--color-accent-bg);
    color: var(--color-accent-fg);
  }
}

@media (min-width: 768px) {
  .header .tab-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: calc(50% - 1px);
    z-index: 45;
  }

  .site[data-right-panel="collapsed"] .header .tab-nav {
    width: 100%;
  }

  .tab-nav__item.is-active {
    background: var(--color-accent-bg);
    color: var(--color-accent-fg);
  }
}

/* Panel content area */
.panel-content {
  position: absolute;
  inset: var(--tab-height) 0 0;
  overflow-y: auto;
  padding-bottom: 2rem;
}

.panel-content[hidden] {
  display: none;
}

@media (max-width: 767px) {
  .panel-content {
    inset: 0 0 0;
  }
}

/* Bio panel (left tab) */
.bio-panel {
  padding: 2rem 0.75rem 2rem;
}

.bio-panel__title {
  margin: 0 0 0.5rem;
  font-size: var(--text-h2);
  font-weight: 350;
  line-height: 1.5;
  text-transform: none;
}

.bio-panel__title:not(:first-child) {
  margin-top: 2rem;
}

.bio-panel p {
  margin-bottom: 1rem;
  text-transform: none;
  font-size: 1rem;
  font-weight: 320;
  line-height: 1.6;
}

.bio-panel ul {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.bio-panel li {
  margin: 0 0 0.5rem;
  padding: 0;
  text-transform: none;
  font-size: 1rem;
  font-weight: 320;
  line-height: 1.6;
}

.bio-panel li::before {
  content: "• ";
}

.bio-panel li:last-child {
  margin-bottom: 0;
}

/* Research panel */
.research-intro {
  margin: 0;
  padding: 1.5rem 0.75rem;
  border-bottom: var(--border-width) solid var(--color-fg);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 320;
  line-height: 1.6;
  text-transform: none;
}

.publication-list {
  display: flex;
  flex-direction: column;
  font-family: var(--font-primary);
}

.list-item--publication {
  text-transform: none;
}

.list-item--publication .list-item__body {
  display: block;
  padding: 1rem 0.75rem;
  font-family: var(--font-primary);
}

.publication-item__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-primary);
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: 1.35;
  text-transform: none;
}

.publication-item__authors {
  margin: 0 0 0.65rem;
  font-family: var(--font-primary);
  font-size: var(--text-h3);
  font-weight: 320;
  color: color-mix(in srgb, var(--color-fg) 72%, transparent);
  line-height: 1.5;
  text-transform: none;
}

.publication-author,
.publication-links__label {
  font-family: inherit;
  text-transform: none;
}

.publication-author--self {
  font-weight: 700;
  color: var(--color-fg);
}

.list-item:hover .publication-item__authors,
.list-item:hover .publication-item__links {
  color: color-mix(in srgb, var(--color-accent-fg) 72%, transparent);
}

.list-item:hover .publication-author--self {
  color: var(--color-accent-fg);
}

.publication-item__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  font-family: var(--font-primary);
  font-size: var(--text-h4);
  font-weight: 320;
  text-transform: none;
}

.publication-item__venue {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 0.35rem;
  font-family: inherit;
  font-weight: 320;
  background: color-mix(in srgb, var(--color-fg) 8%, var(--color-bg));
  color: color-mix(in srgb, var(--color-fg) 82%, transparent);
  line-height: 1.4;
}

.list-item:hover .publication-item__venue {
  background: color-mix(in srgb, var(--color-accent-fg) 12%, var(--color-accent-bg));
  color: color-mix(in srgb, var(--color-accent-fg) 82%, transparent);
}

.publication-item__links {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-family: inherit;
  font-weight: 320;
  color: color-mix(in srgb, var(--color-fg) 82%, transparent);
}

.publication-links__sep {
  opacity: 0.55;
}

/* Publication list items */
.list-item {
  display: flex;
  align-items: center;
  width: 100%;
  border-bottom: var(--border-width) solid var(--color-fg);
  transition: background-color 0.2s, color 0.2s;
}

.list-item:hover {
  background: var(--color-accent-bg);
  color: var(--color-accent-fg);
}

.list-item:hover .list-item__arrow {
  width: 5rem;
}

.list-item__body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 1.25rem 0.75rem;
  border-right: var(--border-width) solid var(--color-fg);
}

@media (min-width: 640px) {
  .list-item__body {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }
}

.list-item__location {
  grid-column: span 2;
}

.list-item__details {
  grid-column: span 2;
  display: flex;
  flex-direction: row;
  width: 100%;
}

.list-item__title {
  flex: 1;
  padding-right: 2.5rem;
}

.list-item__meta {
  flex: none;
  display: flex;
  align-items: flex-end;
}

.list-item__arrow {
  display: none;
  width: 0;
  overflow: hidden;
  transition: width 0.5s ease-in-out;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .list-item__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Section headers */
.section-header {
  position: sticky;
  top: 0;
  z-index: 1;
  margin: 0;
  padding: 0.75rem;
  background: var(--color-bg);
  border-bottom: var(--border-width) solid var(--color-fg);
}

/* Potpourri grid */
.potpourri-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
}

.potpourri-card {
  outline: var(--border-width) solid var(--color-fg);
  overflow: hidden;
}

.potpourri-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.potpourri-card__link--static {
  cursor: default;
}

.potpourri-card__link--static .potpourri-card__image {
  transition: none;
}

.potpourri-card__link--static:hover .potpourri-card__image {
  transform: none;
}

.potpourri-card__label {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding-bottom: 0.25rem;
}

.potpourri-card__name {
  flex-grow: 1;
  padding: 0.75rem 0 0.75rem 0.75rem;
  width: 75%;
}

.potpourri-card__date {
  padding: 0 0.75rem;
  margin-top: auto;
}

.potpourri-card__image-wrap {
  overflow: hidden;
}

.potpourri-card__image {
  width: 100%;
  object-fit: contain;
  transition: transform 0.3s ease-in-out;
}

.potpourri-card__link:not(.potpourri-card__link--static):hover .potpourri-card__image {
  transform: scale(1.05);
}

/* Right panel bio */
.bio {
  margin-bottom: 2.5rem;
  min-height: 100vh;
  text-transform: none;
}

@media (max-width: 767px) {
  .bio {
    min-height: 0;
    margin-bottom: 1rem;
  }
}

.bio p {
  margin: 0;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-h2);
  font-weight: 350;
  line-height: 1.5;
}

.bio p + p {
  margin-top: 0.75rem;
}

.bio__figure {
  display: flex;
  justify-content: center;
  margin: 1rem 0;
  padding: 0 0.75rem;
}

.bio__image {
  display: block;
  width: 80%;
  max-width: 20rem;
  height: auto;
}

/* Newsletter form */
.newsletter {
  position: sticky;
  top: -0.5px;
  z-index: 2;
}

.newsletter__field {
  display: block;
  padding: 0.75rem;
  border-top: var(--border-width) solid var(--color-fg);
  background: var(--color-bg);
}

.newsletter__field input {
  width: 100%;
  background: transparent;
}

.newsletter__row {
  display: flex;
  border-top: var(--border-width) solid var(--color-fg);
  border-bottom: var(--border-width) solid var(--color-fg);
  background: var(--color-bg);
}

.newsletter__consent {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 0.5rem 0 0.5rem 0.875rem;
  border-right: var(--border-width) solid var(--color-fg);
}

.newsletter__consent h4 {
  margin-left: 1rem;
  flex: 1;
}

.newsletter__submit {
  width: 6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  transition: background-color 0.2s, color 0.2s;
}

.newsletter__submit:hover {
  background: var(--color-accent-bg);
  color: var(--color-accent-fg);
}

/* Contact blocks */
.contacts .contact-block h3 {
  padding: 0.75rem 0.75rem 0;
}

.contacts .contact-block p,
.contacts .contact-block a {
  display: block;
  padding: 0 0.75rem;
  font-size: var(--text-h3);
}

.contacts .contact-block {
  padding-bottom: 0.5rem;
}

/* Info & imprint pages */
.info-page,
.imprint-page {
  position: absolute;
  inset: var(--header-height) 0 var(--footer-height);
  overflow-y: auto;
  padding: 2rem 0.75rem 2rem;
}

.info-page h2,
.imprint-page h2 {
  margin-bottom: 1rem;
}

.info-page p,
.imprint-page p {
  margin-bottom: 1rem;
  text-transform: none;
  font-size: 1rem;
  line-height: 1.6;
}

/* Placeholder images */
.placeholder-image {
  aspect-ratio: 1;
  background: repeating-linear-gradient(
    45deg,
    var(--color-placeholder-a),
    var(--color-placeholder-a) 10px,
    var(--color-placeholder-b) 10px,
    var(--color-placeholder-b) 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-placeholder-text);
  font-size: 0.75rem;
}