/* 论文页面样式（导航栏样式在 style.css 中） */

.main-nav a {
  text-decoration: none;
  color: var(--text-light);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
}

.main-nav a:hover {
  color: var(--primary-color);
  background: rgba(27, 94, 32, 0.1);
}

.main-nav a.active {
  color: var(--primary-color);
  background: rgba(27, 94, 32, 0.15);
}

.publications-section {
  max-width: 1000px;
  margin: 0 auto;
}

.publications-header {
  margin-bottom: 2rem;
}

.publications-header h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.section-description {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* 搜索和筛选控件 */
.publications-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-box input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition);
  background: var(--card-bg);
  color: var(--text-color);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(27, 94, 32, 0.1);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-lighter);
}

.filter-buttons {
  display: flex;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  background: var(--card-bg);
  color: var(--text-color);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--primary-color);
  background: rgba(27, 94, 32, 0.05);
}

.filter-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 筛选面板 */
.filters-panel {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  display: none;
}

.filters-panel.show {
  display: block;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.filter-group {
  margin-bottom: 1.5rem;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-color);
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  border: 2px solid #e0e0e0;
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-chip:hover {
  border-color: var(--primary-color);
  background: rgba(27, 94, 32, 0.1);
}

.filter-chip.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 论文列表 */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.publication-item {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 2px solid transparent;
}

.publication-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(27, 94, 32, 0.2);
}

.publication-header {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.publication-preview {
  width: 180px;
  height: 120px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.publication-content {
  flex: 1;
}

.publication-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.publication-authors {
  color: var(--text-light);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.publication-author.highlighted {
  font-weight: 600;
  color: var(--primary-color);
}

.publication-venue {
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.publication-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.publication-badge {
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  background: rgba(27, 94, 32, 0.1);
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.publication-badge:hover {
  background: var(--primary-color);
  color: white;
}

.publication-description {
  color: var(--text-light);
  margin-top: 0.75rem;
  line-height: 1.6;
}

.publication-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e0e0;
}

.action-btn {
  padding: 0.5rem 1rem;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  margin-right: 0.5rem;
}

.action-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.action-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.expandable-content {
  margin-top: 1rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  display: none;
}

.expandable-content.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

.expandable-content pre {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.no-results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-lighter);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .publication-header {
    flex-direction: column;
  }
  
  .publication-preview {
    width: 100%;
    height: 200px;
  }
  
  .publications-controls {
    flex-direction: column;
  }
  
  .search-box {
    min-width: 100%;
  }
}