/* Enhanced Styles for Beautiful Academic Website */

/* Enhanced Publication Styles */
.enhanced-pub-card {
  background: #ffffff;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.enhanced-pub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3498db 0%, #2980b9 100%);
}

.enhanced-pub-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.pub-image-container {
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.enhanced-badge {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
  border-radius: 20px !important;
  padding: 6px 14px !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
}

.pub-title a {
  color: #2c3e50;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: color 0.3s ease;
}

.pub-title a:hover {
  color: #3498db;
}

.pub-authors {
  color: #555;
  margin: 8px 0;
  font-size: 0.95rem;
}

.pub-venue {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pdf-btn {
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%) !important;
  color: white !important;
  border: none !important;
  border-radius: 20px !important;
  padding: 6px 14px !important;
  font-size: 0.85rem !important;
  transition: all 0.3s ease !important;
}

.code-btn {
  background: linear-gradient(135deg, #27ae60 0%, #229954 100%) !important;
  color: white !important;
  border: none !important;
  border-radius: 20px !important;
  padding: 6px 14px !important;
  font-size: 0.85rem !important;
  transition: all 0.3s ease !important;
}

.page-btn {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%) !important;
  color: white !important;
  border: none !important;
  border-radius: 20px !important;
  padding: 6px 14px !important;
  font-size: 0.85rem !important;
  transition: all 0.3s ease !important;
}

.bibtex-btn {
  background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%) !important;
  color: white !important;
  border: none !important;
  border-radius: 20px !important;
  padding: 6px 14px !important;
  font-size: 0.85rem !important;
  transition: all 0.3s ease !important;
}

.pub-links a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.pub-note {
  background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
}

/* Contact and Time Widget Styles */
.contact-section {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 15px;
  padding: 25px;
  margin: 30px 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.time-widget {
  text-align: center;
  margin-bottom: 20px;
}

.time-label {
  font-size: 1.1rem;
  color: #555;
  margin-right: 10px;
}

.time-display {
  font-weight: bold;
  font-size: 1.3rem;
  color: #2c5aa0;
  background: rgba(255, 255, 255, 0.8);
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.collaboration-cta {
  text-align: center;
  margin-top: 15px;
}

.collaboration-cta p {
  margin: 0;
  font-size: 1.05rem;
  color: #444;
}

/* Enhanced Collaboration Section */
.collaboration-invite {
  margin-top: 20px;
}

.collab-header {
  text-align: center;
  margin-bottom: 20px;
}

.collab-header h3 {
  margin: 0;
  color: #2c3e50;
  font-size: 1.4rem;
  font-weight: 700;
}

.collab-content {
  text-align: center;
}

.collab-content p {
  margin: 15px 0;
  font-size: 1.05rem;
  color: #444;
  line-height: 1.6;
}

.collab-topics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 20px 0;
}

.topic-tag {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
  display: inline-block;
}

.topic-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.contact-prompt {
  margin-top: 20px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  border: 2px dashed #3498db;
}

.contact-prompt p {
  margin: 0;
  font-size: 1.1rem;
  color: #2c3e50;
}

/* Research Grid Styles */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.research-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.research-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.research-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  text-align: center;
}

.research-card h3 {
  margin: 0 0 15px 0;
  color: #2c3e50;
  font-size: 1.4rem;
  font-weight: 600;
  text-align: center;
}

.research-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.research-card li {
  padding: 8px 0;
  color: #555;
  font-size: 0.95rem;
  position: relative;
  padding-left: 20px;
}

.research-card li::before {
  content: '▪';
  color: #667eea;
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* News Timeline Styles */
.news-timeline {
  margin: 30px 0;
  position: relative;
}

.news-item {
  display: flex;
  margin-bottom: 25px;
  padding: 20px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border-left: 4px solid #e3f2fd;
}

.news-item:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.news-item.highlight {
  border-left-color: #ff6b6b;
  background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}

.news-date {
  min-width: 100px;
  font-weight: 600;
  color: #666;
  font-size: 0.9rem;
  margin-right: 20px;
  align-self: flex-start;
}

.news-content {
  flex: 1;
  line-height: 1.6;
}

.news-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 10px;
  margin-bottom: 8px;
}

.news-badge.new {
  background: #ffebee;
  color: #c62828;
}

.news-badge.achievement {
  background: #e8f5e8;
  color: #2e7d32;
}

.news-badge.publication {
  background: #e3f2fd;
  color: #1565c0;
}

.news-badge.conference {
  background: #fff3e0;
  color: #ef6c00;
}

/* Experience Grid Styles */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.exp-item {
  display: flex;
  align-items: flex-start;
  background: #ffffff;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.exp-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.exp-icon {
  font-size: 2rem;
  margin-right: 20px;
  margin-top: 5px;
}

.exp-content h4 {
  margin: 0 0 10px 0;
  color: #2c3e50;
  font-size: 1.2rem;
  font-weight: 600;
}

.exp-content p {
  margin: 5px 0;
  color: #666;
  line-height: 1.5;
}

.exp-content em {
  color: #888;
  font-style: italic;
}

/* Research Highlight Box */
.research-highlight {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 25px;
  border-radius: 15px;
  margin: 25px 0;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
  font-size: 1.05rem;
  line-height: 1.6;
}

.research-highlight strong {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Adaptations */
@media (prefers-color-scheme: dark) {
  .enhanced-pub-card {
    background: #34495e;
    color: #ecf0f1;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .pub-title a {
    color: #ecf0f1;
  }
  
  .pub-title a:hover {
    color: #3498db;
  }
  
  .pub-authors {
    color: #bdc3c7;
  }
  
  .pub-venue {
    color: #95a5a6;
  }
  
  .contact-section {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #ecf0f1;
  }
  
  .time-display {
    background: rgba(236, 240, 241, 0.9);
    color: #2c3e50;
  }
  
  .collab-header h3 {
    color: #ecf0f1;
  }
  
  .collab-content p {
    color: #ecf0f1;
  }
  
  .contact-prompt {
    background: rgba(52, 73, 94, 0.7);
    border-color: #3498db;
  }
  
  .contact-prompt p {
    color: #ecf0f1;
  }
  
  .research-card {
    background: linear-gradient(145deg, #34495e 0%, #2c3e50 100%);
    color: #ecf0f1;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .research-card h3 {
    color: #ecf0f1;
  }
  
  .research-card li {
    color: #bdc3c7;
  }
  
  .news-item {
    background: #34495e;
    color: #ecf0f1;
  }
  
  .news-item.highlight {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  }
  
  .exp-item {
    background: #34495e;
    color: #ecf0f1;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .exp-content h4 {
    color: #ecf0f1;
  }
  
  .exp-content p {
    color: #bdc3c7;
  }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .experience-grid {
    grid-template-columns: 1fr;
  }
  
  .news-item {
    flex-direction: column;
  }
  
  .news-date {
    margin-bottom: 10px;
    margin-right: 0;
  }
  
  .contact-section {
    padding: 20px;
    margin: 20px 0;
  }
  
  .collab-topics {
    flex-direction: column;
    align-items: center;
  }
  
  .topic-tag {
    margin: 5px 0;
    width: fit-content;
  }
  
  .collab-header h3 {
    font-size: 1.2rem;
  }
  
  .exp-item {
    flex-direction: column;
    text-align: center;
  }
  
  .exp-icon {
    margin-right: 0;
    margin-bottom: 15px;
  }
  
  .enhanced-pub-card {
    padding: 20px;
  }
  
  .pub-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Smooth animations */
* {
  transition: all 0.3s ease;
}

/* Enhanced typography */
h2 {
  color: #2c3e50;
  font-weight: 700;
  margin-bottom: 25px;
  font-size: 1.8rem;
}

h3 {
  color: #34495e;
  font-weight: 600;
}

/* Improved link styles */
a {
  color: #3498db;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #2980b9;
  text-decoration: underline;
}

/* Scroll animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.research-card,
.news-item,
.exp-item,
.enhanced-pub-card {
  animation: fadeInUp 0.6s ease-out;
}
.contact-section {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 15px;
  padding: 25px;
  margin: 30px 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.time-widget {
  text-align: center;
  margin-bottom: 20px;
}

.time-label {
  font-size: 1.1rem;
  color: #555;
  margin-right: 10px;
}

.time-display {
  font-weight: bold;
  font-size: 1.3rem;
  color: #2c5aa0;
  background: rgba(255, 255, 255, 0.8);
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.collaboration-cta {
  text-align: center;
  margin-top: 15px;
}

.collaboration-cta p {
  margin: 0;
  font-size: 1.05rem;
  color: #444;
}

/* Research Grid Styles */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.research-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.research-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.research-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  text-align: center;
}

.research-card h3 {
  margin: 0 0 15px 0;
  color: #2c3e50;
  font-size: 1.4rem;
  font-weight: 600;
  text-align: center;
}

.research-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.research-card li {
  padding: 8px 0;
  color: #555;
  font-size: 0.95rem;
  position: relative;
  padding-left: 20px;
}

.research-card li::before {
  content: '▪';
  color: #667eea;
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* News Timeline Styles */
.news-timeline {
  margin: 30px 0;
  position: relative;
}

.news-item {
  display: flex;
  margin-bottom: 25px;
  padding: 20px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border-left: 4px solid #e3f2fd;
}

.news-item:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.news-item.highlight {
  border-left-color: #ff6b6b;
  background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}

.news-date {
  min-width: 100px;
  font-weight: 600;
  color: #666;
  font-size: 0.9rem;
  margin-right: 20px;
  align-self: flex-start;
}

.news-content {
  flex: 1;
  line-height: 1.6;
}

.news-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 10px;
  margin-bottom: 8px;
}

.news-badge.new {
  background: #ffebee;
  color: #c62828;
}

.news-badge.achievement {
  background: #e8f5e8;
  color: #2e7d32;
}

.news-badge.publication {
  background: #e3f2fd;
  color: #1565c0;
}

.news-badge.conference {
  background: #fff3e0;
  color: #ef6c00;
}

/* Experience Grid Styles */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.exp-item {
  display: flex;
  align-items: flex-start;
  background: #ffffff;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.exp-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.exp-icon {
  font-size: 2rem;
  margin-right: 20px;
  margin-top: 5px;
}

.exp-content h4 {
  margin: 0 0 10px 0;
  color: #2c3e50;
  font-size: 1.2rem;
  font-weight: 600;
}

.exp-content p {
  margin: 5px 0;
  color: #666;
  line-height: 1.5;
}

.exp-content em {
  color: #888;
  font-style: italic;
}

/* Research Highlight Box */
.research-highlight {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 25px;
  border-radius: 15px;
  margin: 25px 0;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
  font-size: 1.05rem;
  line-height: 1.6;
}

.research-highlight strong {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Adaptations */
@media (prefers-color-scheme: dark) {
  .contact-section {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #ecf0f1;
  }
  
  .time-display {
    background: rgba(236, 240, 241, 0.9);
    color: #2c3e50;
  }
  
  .research-card {
    background: linear-gradient(145deg, #34495e 0%, #2c3e50 100%);
    color: #ecf0f1;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .research-card h3 {
    color: #ecf0f1;
  }
  
  .research-card li {
    color: #bdc3c7;
  }
  
  .news-item {
    background: #34495e;
    color: #ecf0f1;
  }
  
  .news-item.highlight {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  }
  
  .exp-item {
    background: #34495e;
    color: #ecf0f1;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .exp-content h4 {
    color: #ecf0f1;
  }
  
  .exp-content p {
    color: #bdc3c7;
  }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .experience-grid {
    grid-template-columns: 1fr;
  }
  
  .news-item {
    flex-direction: column;
  }
  
  .news-date {
    margin-bottom: 10px;
    margin-right: 0;
  }
  
  .contact-section {
    padding: 20px;
    margin: 20px 0;
  }
  
  .exp-item {
    flex-direction: column;
    text-align: center;
  }
  
  .exp-icon {
    margin-right: 0;
    margin-bottom: 15px;
  }
}

/* Smooth animations */
* {
  transition: all 0.3s ease;
}

/* Enhanced typography */
h2 {
  color: #2c3e50;
  font-weight: 700;
  margin-bottom: 25px;
  font-size: 1.8rem;
}

h3 {
  color: #34495e;
  font-weight: 600;
}

/* Improved link styles */
a {
  color: #3498db;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #2980b9;
  text-decoration: underline;
}

/* Scroll animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.research-card,
.news-item,
.exp-item {
  animation: fadeInUp 0.6s ease-out;
}