/* Import Lato font */
@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;1,400;1,700&display=swap');

/* CSS Variables for theming */
:root {
  --bg-color: #fafafa;
  --text-color: #333;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --nav-hover: #f0f0f0;
  --border-color: #e0e0e0;
  --link-color: #0066cc;
  --highlight-bg: #ffffd0;
  --table-bg: #ffffff;
}

[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #ffffff;
  --nav-bg: rgba(26, 26, 26, 0.95);
  --nav-hover: #404040;
  --border-color: #404040;
  --link-color: #66b3ff;
  --highlight-bg: #2d2d2d;
  --table-bg: #2d2d2d;
}

/* Base styles */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
body, td, th, tr, p, a {
  font-family: 'Lato', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0.3px;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:focus, a:hover {
  color: #f09228;
  text-decoration: none;
}

strong {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-color);
}

h2 {
  font-family: 'Lato', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--text-color);
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--link-color);
  display: inline-block;
}

.name {
  padding-top: 16px;
  margin: 0;
  font-family: 'Lato', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.papertitle {
  font-family: 'Lato', sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-color);
}

/* Section Title Styles - matching projects font size */
.section-title {
  font-family: 'Lato', sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-color);
}

em {
  font-style: italic;
  color: var(--link-color);
  font-weight: 500;
}

/* Navigation Bar Styles */
.nav-container {
  position: sticky;
  top: 0;
  background-color: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 8px 0;
}

.navbar {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  font-size: 15px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background-color: var(--nav-hover);
}

.nav-link.active {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s ease;
  opacity: 0.8;
  backdrop-filter: blur(10px);
}

.theme-toggle:hover {
  background-color: var(--nav-hover);
  border-color: var(--text-color);
  opacity: 1;
  transform: scale(1.05);
}

/* Profile Picture Styles */
.about-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 0;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 16px 0;
}

.about-text {
  flex: 1;
  min-width: 0;
}

.profile-picture-container {
  flex-shrink: 0;
  width: 240px !important;
  height: 300px !important;
  min-width: 240px !important;
  min-height: 300px !important;
  max-width: 240px !important;
  max-height: 300px !important;
  overflow: hidden;
  border-radius: 12px;
  display: block;
  position: relative;
  border: 3px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  box-sizing: border-box;
  background-color: var(--bg-color);
  aspect-ratio: 4 / 5 !important;
}

.profile-picture-container img {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center center !important;
  border-radius: 12px;
  transform: none !important;
  max-width: none !important;
  max-height: none !important;
  min-width: none !important;
  min-height: none !important;
  display: block !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Education and Experience Section Styles */
.section-row {
  margin-bottom: 24px;
  padding: 16px 0;
}

.section-image-cell {
  padding: 12px;
  width: 25%;
  vertical-align: middle;
  text-align: center;
}

/* Project table cell styling for consistent spacing */
td[style*="width:40%"][style*="vertical-align:middle"] {
  padding: 12px !important;
  text-align: center;
  vertical-align: middle;
}

.section-content-cell {
  padding: 12px 16px;
  width: 75%;
  vertical-align: middle;
}



.experience-toggle {
  margin: 6px 0;
}

.experience-toggle a {
  color: var(--link-color);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 3px 6px;
  border-radius: 6px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.experience-toggle a:hover {
  background-color: var(--link-color);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
  transform: translateY(-1px);
}

.experience-details {
  margin-top: 10px;
  padding: 0 10px;
  background-color: var(--bg-color);
  border-radius: 8px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
}

.experience-details.show {
  max-height: 400px;
  padding: 10px;
}

/* Key Contributions Highlight */
.key-contributions {
  margin: 5px 0;
  padding: 8px 12px;
  background-color: rgba(0, 102, 204, 0.03);
  border-left: 3px solid var(--link-color);
  border-radius: 0 6px 6px 0;
  line-height: 1.6;
}

/* Education Details - No Background Container */
.education-details {
  margin-top: 10px;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.education-details.show {
  max-height: 400px;
}

.education-contributions {
  margin: 5px 0;
  padding: 0;
  line-height: 1.6;
}

/* Course List Transitions */
[id$="-courses-full"] {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

[id$="-courses-full"].show {
  display: inline;
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Additional Experience Section */
.additional-experience-section {
  margin: 16px 0;
  padding: 0 16px;
}

.additional-logos-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  margin: 0 auto;
}

.additional-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 400px;
}

.additional-logo {
  width: 52px !important;
  height: 52px !important;
  object-fit: contain !important;
  background-color: white;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.additional-logo:hover {
  transform: rotate(5deg) scale(1.1);
  border-color: var(--link-color);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.additional-details {
  margin-top: 15px;
  background-color: var(--table-bg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: none;
}

.additional-details.show {
  display: block;
  padding: 16px;
  animation: slideDown 0.3s ease-out;
}

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



/* News Section */
.news-container {
  max-width: 1200px;
  margin: 0 auto 16px auto;
  background-color: var(--table-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  max-height: 200px;
  overflow-y: auto;
  padding: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.news-item {
  padding: 6px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 16px;
  line-height: 1.4;
  transition: background-color 0.2s ease;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background-color: rgba(0, 102, 204, 0.02);
  border-radius: 4px;
  margin: 0 -6px;
  padding: 6px 6px;
}

.news-date {
  font-weight: 600;
  color: var(--link-color);
  margin-right: 8px;
}

/* Custom scrollbar for news */
.news-container::-webkit-scrollbar {
  width: 6px;
}

.news-container::-webkit-scrollbar-track {
  background: var(--bg-color);
  border-radius: 3px;
}

.news-container::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.news-container::-webkit-scrollbar-thumb:hover {
  background: var(--link-color);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .additional-logos-container {
    flex-direction: column;
    gap: 20px;
  }
  
  .additional-item {
    max-width: 280px;
  }
  
  .about-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .about-text {
    text-align: left;
  }
  
  .news-container {
    margin: 0 16px 16px 16px;
    max-height: 180px;
  }
}

/* Image Styles */
.logo-image {
  width: 96px !important;
  height: 96px !important;
  object-fit: contain !important;
  background-color: white;
  padding: 14px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-image:hover {
  transform: rotate(2deg) scale(1.03);
  border-color: var(--link-color);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.12);
}

/* Frames Carousel Styles */
.frames-carousel {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.carousel-container {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 10px 13px;
  cursor: pointer;
  font-size: 15px;
  border-radius: 50%;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.carousel-nav:hover {
  background: rgba(0,0,0,0.7);
  transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
  left: 20px;
}

.carousel-next {
  right: 20px;
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: var(--border-color);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: var(--link-color);
  transform: scale(1.2);
}

.carousel-dot:hover {
  background: var(--link-color);
  opacity: 0.7;
}
.education-logo {
  width: 96px !important;
  height: 96px !important;
  object-fit: contain !important;
  background-color: white;
  padding: 14px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.education-logo:hover {
  transform: rotate(2deg) scale(1.03);
  border-color: var(--link-color);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.12);
}

.teaching-logo {
  width: 96px !important;
  height: 96px !important;
  object-fit: contain !important;
  background-color: white;
  padding: 14px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.project-image {
  /* Larger frame dimensions for better attention */
  width: 320px !important;
  height: 200px !important;
  
  /* Theme-aware border styling */
  border: 2px solid var(--border-color);
  border-radius: 8px;
  
  /* Image fitting */
  object-fit: cover;
  object-position: center;
  
  /* Enhanced shadow and transitions */
  box-shadow: 0 3px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  
  /* Layout properties */
  display: block;
  box-sizing: border-box;
}

.project-image:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

/* Responsive project image adjustments */
@media screen and (max-width: 768px) {
  .project-image {
    width: 280px !important;
    height: 176px !important;
  }
}

@media screen and (max-width: 480px) {
  .project-image {
    width: 240px !important;
    height: 152px !important;
  }
}

/* Timeline Styles */
.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 0;
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  display: flex;
  align-items: flex-start;
}

.timeline-content {
  flex: 1;
  background-color: var(--table-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.timeline-content:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  transform: translateY(-3px);
  border-color: var(--link-color);
}

/* Card Styles */
.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 0;
}

.experience-card {
  background-color: var(--table-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.experience-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  border-color: var(--link-color);
}

/* Section and Content Spacing */
.section-container {
  margin: 48px 0;
}

.content-row {
  margin-bottom: 32px;
  padding: 20px;
  background-color: var(--table-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Duration Container */
.duration-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  margin-bottom: 6px;
}

.duration-tag {
  background-color: var(--table-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-color);
  opacity: 0.8;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.section-title-container {
  flex: 1;
  padding-right: 12px;
}

/* Utility Classes */

span.highlight {
  background-color: var(--highlight-bg);
}

/* Dark mode adjustments */
[data-theme="dark"] .logo-image,
[data-theme="dark"] .education-logo,
[data-theme="dark"] .teaching-logo {
  background-color: #ffffff;
  border-color: #404040;
}

[data-theme="dark"] .project-image {
  border-color: #555555;
  box-shadow: 0 3px 12px rgba(255,255,255,0.05);
}

[data-theme="dark"] .content-row {
  background-color: var(--table-bg);
  border-color: var(--border-color);
}

/* Global image reset */
img {
  max-width: none !important;
  max-height: none !important;
  transform: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .about-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .profile-picture-container {
    order: -1;
    margin-bottom: 16px;
    width: 208px !important;
    height: 208px !important;
    min-width: 208px !important;
    min-height: 208px !important;
    max-width: 208px !important;
    max-height: 208px !important;
  }
  
  /* Carousel responsive styles */
  .carousel-slide img {
    height: 240px;
  }
  
  .carousel-nav {
    padding: 6px 10px;
    font-size: 13px;
  }
  
  .carousel-prev {
    left: 10px;
  }
  
  .carousel-next {
    right: 10px;
  }
  
  .carousel-indicators {
    gap: 5px;
  }
  
  .carousel-dot {
    width: 8px;
    height: 8px;
  }
}

@media (max-width: 480px) {
  .profile-picture-container {
    width: 176px !important;
    height: 176px !important;
    min-width: 176px !important;
    min-height: 176px !important;
    max-width: 176px !important;
    max-height: 176px !important;
  }
}

/* View More Projects Link */
.view-more-container {
  text-align: center;
  margin: 32px 0 16px 0;
}

.view-more-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 400;
  color: var(--link-color);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
}

.view-more-link:hover {
  transform: translateX(3px);
  color: var(--text-color);
  opacity: 0.8;
}