body {
  font-family: 'Fira Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
  background: #fafbfc;
  color: #222;
  margin: 0;
  padding: 0;
}

/* Navigation Bar */
.navbar {
  background: #fff;
  border-bottom: 2px solid #e5e7eb;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.nav-brand {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1a73e8;
  text-decoration: none;
}

.nav-brand:hover {
  text-decoration: none;
  color: #0d5bb8;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.nav-link {
  color: #444;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  transition: color 0.3s;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: #1a73e8;
  text-decoration: none;
}

.nav-link.active {
  color: #1a73e8;
  border-bottom: 2px solid #1a73e8;
}
header {
  display: flex;
  align-items: center;
  padding: 2rem 1rem 1rem 1rem;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  gap: 2rem;
}

.profile-photo img {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  background: #e5e7eb;
}

.header-info h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2.2rem;
  letter-spacing: 1px;
}

.header-info p {
  margin: 0.2rem 0;
  font-size: 1rem;
  color: #444;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  margin-bottom: 2.5rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  padding: 1.5rem 1.5rem 1rem 1.5rem;
}

section h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6em;
  color: #1a73e8;
  font-weight: 600;
}

section ul {
  padding-left: 1.2em;
}

section li {
  margin-bottom: 0.7em;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 1.5rem 0 1rem 0;
  color: #888;
  font-size: 0.95rem;
}

a {
  color: #1a73e8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Recent Updates Timeline */
.recent-updates {
  background: linear-gradient(135deg, #f6f8fc 0%, #fff 100%);
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #1a73e8, #e5e7eb);
}

.update-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.update-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.3rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #1a73e8;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px #1a73e8;
}

.update-date {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1a73e8;
  margin-bottom: 0.3rem;
}

.update-content strong {
  display: block;
  margin-bottom: 0.3rem;
  color: #333;
}

.update-content p {
  margin: 0;
  color: #555;
  line-height: 1.5;
}

/* Education Item */
.education-item h3 {
  margin: 0 0 0.5rem 0;
  color: #333;
}

.education-item .degree {
  margin: 0.3rem 0;
  color: #444;
}

.education-item p {
  margin: 0.3rem 0;
  line-height: 1.6;
}

/* Leadership Items */
.leadership-item {
  margin-bottom: 1.5rem;
}

.leadership-item h3 {
  margin: 0 0 0.3rem 0;
  color: #333;
  font-size: 1.1rem;
}

.position-meta {
  color: #666;
  margin: 0.3rem 0 0.5rem 0;
}

/* Page Header */
.page-header {
  text-align: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #f6f8fc 0%, #fff 100%);
  margin-bottom: 2rem;
  border-radius: 10px;
}

.page-header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2.2rem;
  color: #1a73e8;
}

.page-subtitle {
  color: #666;
  font-size: 1.1rem;
  margin: 0;
}

/* Research Project Cards */
.research-project {
  border-left: 4px solid #1a73e8;
  margin-bottom: 2rem;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.project-header h2 {
  margin: 0;
  color: #333;
  font-size: 1.4rem;
}

.date-badge {
  background: #e8f0fe;
  color: #1a73e8;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.position-info {
  color: #555;
  margin: 0.5rem 0 1rem 0;
  line-height: 1.6;
}

.project-description {
  margin: 1rem 0;
}

.project-description>p {
  color: #444;
  margin-bottom: 0.8rem;
  font-weight: 500;
}

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

.keyword {
  background: #f0f0f0;
  color: #555;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Publications */
.publications-section h2 {
  color: #333;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e5e7eb;
}

.publication-item {
  position: relative;
  padding: 1.5rem;
  background: #f9fafb;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border-left: 4px solid #1a73e8;
}

.pub-status {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.pub-status.under-review {
  background: #fff3cd;
  color: #856404;
}

.pub-title {
  margin: 0 0 0.8rem 0;
  color: #1a73e8;
  font-size: 1.2rem;
  line-height: 1.4;
}

.pub-authors {
  margin: 0.5rem 0;
  color: #444;
  line-height: 1.6;
}

.pub-venue {
  margin: 0.5rem 0;
  color: #666;
  font-style: italic;
}

.pub-abstract {
  margin: 1rem 0;
}

.pub-abstract details {
  cursor: pointer;
}

.pub-abstract summary {
  color: #1a73e8;
  font-weight: 600;
  padding: 0.5rem 0;
}

.pub-abstract p {
  margin: 0.5rem 0 0 1rem;
  color: #555;
  line-height: 1.6;
}

.pub-keywords {
  margin-top: 1rem;
}

/* Stats Section */
.stats-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-card i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.stat-card h3 {
  margin: 0.5rem 0;
  font-size: 2.5rem;
  font-weight: 700;
}

.stat-card p {
  margin: 0;
  font-size: 1rem;
  opacity: 0.9;
}

/* CTA Section */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 2rem;
  border-radius: 10px;
  margin-top: 2rem;
}

.cta-section h2 {
  color: #fff;
  margin: 0 0 0.5rem 0;
}

.cta-section p {
  margin: 0 0 1.5rem 0;
  opacity: 0.95;
}

.cta-button {
  display: inline-block;
  background: #fff;
  color: #667eea;
  padding: 0.8rem 2rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  text-decoration: none;
}

.cta-button i {
  margin-right: 0.5rem;
}

@media (max-width: 768px) {
  .nav-menu {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.9rem;
  }

  .project-header {
    flex-direction: column;
  }

  .stats-section {
    grid-template-columns: 1fr;
  }
}
/* Highlighted Project Section */
.highlighted-project .project-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.highlighted-project .project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.highlighted-project h3 {
  margin-top: 0;
  color: #1a73e8;
}

.project-subtitle {
  color: #555;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.project-links {
  margin-top: 1.5rem;
}

.btn-small {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: #f1f3f4;
  color: #1a73e8;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
}

.btn-small:hover {
  background-color: #e8f0fe;
  color: #174ea6;
  text-decoration: none;
}

/* Code Snippets */
pre {
  background: #f6f8fa;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  border: 1px solid #e5e7eb;
}

code {
  font-family: 'Fira Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
  font-size: 0.9rem;
  color: #24292e;
}
@media (max-width: 600px) {
  header {
    flex-direction: column;
    gap: 1rem;
    padding: 1.2rem 0.5rem 0.5rem 0.5rem;
  }

  main {
    padding: 0 0.3rem;
  }

  section {
    padding: 1rem 0.7rem 0.7rem 0.7rem;
  }

  .profile-photo img {
    width: 80px;
    height: 80px;
  }
.nav-container {
  flex-direction: column;
  height: auto;
  padding: 1rem;
  gap: 1rem;
}

.nav-menu {
  width: 100%;
  justify-content: center;
}

.page-header h1 {
  font-size: 1.8rem;
}

.timeline {
  padding-left: 1.5rem;
}

.update-item {
  padding-left: 1rem;
}
}