.research-page {
  padding-top: 71px;
  background: #fff;
}

.publications {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.pub-controls {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: #f5f5f5;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.pub-controls-top {
  display: flex;
  gap: 1rem;
  width: 100%;
  align-items: center;
}

.pub-sort {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 200px;
  flex: 0 0 auto;
}

.pub-search {
  flex: 1;
}

.pub-search input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  height: 40px;
}

.pub-search input:hover {
  border-color: #999;
}

.pub-search input:focus {
  outline: none;
  border-color: #100303;
  box-shadow: 0 0 0 2px rgba(25, 26, 27, 0.25);
}

.pub-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  width: 100%;
}

.pub-filters button {
  padding: 0.7rem 1.2rem;
  border: 1px solid #000;
  background: none;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  border-radius: 4px;
  flex: 0 1 auto;
  text-align: center;
  white-space: nowrap;
  min-width: 100px;
}

.pub-filters button:hover {
  background: rgba(0, 0, 0, 0.05);
}

.pub-filters button.active {
  background: #000;
  color: #fff;
}

#sort-select {
  appearance: none;
  background: white;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 0.8rem 2rem 0.8rem 1rem;
  font-size: 0.9rem;
  width: 200px;
  cursor: pointer;
  transition: all 0.3s ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
}

#sort-select:hover {
  border-color: #999;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#sort-select:focus {
  outline: none;
  border-color: #131414;
  box-shadow: 0 0 0 2px rgba(0, 0, 1, 0.25);
}

#sort-direction {
  background: white;
  border: 1px solid #ddd;
  border-radius: 6px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

#sort-direction:hover {
  border-color: #999;
  background: #f8f8f8;
  transform: translateY(-1px);
}

.pub-grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 3rem;
}

.pub-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2rem;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.pub-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.pub-thumb {
  overflow: hidden;
  border-radius: 8px;
  height: 100%;
}

.pub-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.pub-item:hover .pub-thumb img {
  transform: scale(1.05);
}

.pub-content h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  color: #000;
}

.pub-content .authors {
  color: #666;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.pub-content .venue {
  font-size: 0.9rem;
  color: #000;
  font-weight: 500;
  margin-bottom: 1rem;
  padding: 0.3rem 0.8rem;
  background: #f8f8f8;
  border-radius: 4px;
  display: inline-block;
}

.pub-content .abstract {
  color: #444;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.pub-links {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.pub-links a {
  padding: 0.5rem 1rem;
  border: 1px solid #000;
  color: #000;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.pub-links a:hover {
  background: #000;
  color: #fff;
}

.btn-link {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-link.pdf,
.btn-link.code {
  background-color: #000000;
  color: white;
}

.citations-count {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #666;
  font-size: 0.9rem;
}

.pub-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0.5rem 0;
}

.pub-category-badge {
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: #f0f0f0;
  white-space: nowrap;
  display: inline-block;
  margin: 0.15rem 0.15rem 0.15rem 0;
}

.pub-category-badge.medical-imaging { background-color: #e1f5fe; color: #0277bd; }
.pub-category-badge.gnn { background-color: #e8f5e9; color: #2e7d32; }
.pub-category-badge.generative { background-color: #fff8e1; color: #ff8f00; }
.pub-category-badge.topology { background-color: #f3e5f5; color: #7b1fa2; }
.pub-category-badge.microscopy { background-color: #e0f7fa; color: #00838f; }
.pub-category-badge.other { background-color: #f5f5f5; color: #616161; }

.authors .lab-member {
  color: #474444;
  font-weight: 700;
}

.no-results {
  padding: 3rem;
  text-align: center;
  background: #f9f9f9;
  border-radius: 8px;
  color: #666;
  font-size: 1.1rem;
}

.pagination {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.pagination-btn {
  padding: 0.8rem 1.5rem;
  border: 1px solid #000;
  background: none;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1.2rem;
  border-radius: 4px;
}

.pagination-btn:hover:not(:disabled) {
  background: #000;
  color: #fff;
}

.pagination-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-numbers {
  display: flex;
  gap: 0.8rem;
}

.page-numbers span {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.3s;
  font-weight: 500;
}

.page-numbers span:hover:not(.ellipsis) {
  background: rgba(0, 0, 0, 0.05);
}

.page-numbers span.active {
  background: #000;
  color: #fff;
}

.page-numbers span.ellipsis {
  cursor: default;
}

.collaborators {
  padding: 6rem 0 4rem;
  background: #f8f9fa;
  overflow: hidden;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 0 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin: 0;
  position: relative;
  display: inline-block;
}

.section-header h2:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #000;
}

.collab-wrapper {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.1);
  border: none;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  padding: 1rem;
}

.scroll-btn:hover {
  background: rgba(0, 0, 0, 0.2);
}

.scroll-btn.prev { left: 10px; }
.scroll-btn.next { right: 10px; }

.collab-container {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  padding: 1rem 2rem;
  position: relative;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.collab-container::-webkit-scrollbar {
  display: none;
}

.collab-grid {
  display: flex;
  gap: 2rem;
  padding-bottom: 1rem;
  width: max-content;
  padding: 1rem;
}

.collab-item {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 300px;
  height: 250px;
  flex-shrink: 0;
  min-width: 280px;
  text-decoration: none;
  color: inherit;
  display: block;
}

.collab-item:hover {
  transform: translateY(-5px);
  transition: transform 0.3s ease;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.collab-item img {
  height: 80px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1rem;
  transition: transform 0.3s;
}

.collab-item:hover img {
  transform: scale(1.05);
}

.collab-info {
  overflow: hidden;
}

.collab-info h3 {
  margin: 1rem 0 0.5rem;
  font-size: 1.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #000;
}

.collab-info p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 768px) {
  .pub-controls { padding: 1rem; gap: 1rem; }
  .pub-controls-top { flex-direction: column; gap: 1rem; }
  .pub-sort { width: 100%; justify-content: space-between; }
  #sort-select { flex: 1; width: calc(100% - 50px); height: 44px; }
  #sort-direction { width: 44px; height: 44px; }
  .pub-search { width: 100%; }
  .pub-search input { height: 44px; }
  .pub-filters { width: 100%; justify-content: center; }
  .pub-filters button { flex: 1 1 auto; min-width: 120px; padding: 0.7rem 0.5rem; }
  .pub-item { grid-template-columns: 1fr; padding: 1rem; gap: 1rem; }
  .pub-thumb { height: 200px; }
  .pub-content h3 { font-size: 1.2rem; }
  .pub-meta { flex-wrap: wrap; }
  .venue-name, .year { width: 100%; text-align: center; }
  .pub-links { justify-content: flex-start; flex-wrap: wrap; }
  .btn-link { width: auto; text-align: center; padding: 0.8rem 1rem; }
  .collab-wrapper { padding: 0 40px; }
  .section-header h2 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .publications { padding: 3rem 1rem; }
  .pub-filters button { min-width: 100%; }
  .pub-thumb { height: 150px; }
  .pagination { margin-top: 2rem; gap: 0.8rem; }
  .pagination-btn { padding: 0.5rem 1rem; }
  .page-numbers span { width: 30px; height: 30px; font-size: 0.9rem; }
  .collab-wrapper { padding: 0 30px; }
  .scroll-btn { width: 30px; height: 30px; padding: 0.5rem; }
  .collab-item { width: 260px; padding: 1.5rem; min-width: 260px; }
}