/* Experience Section Styles */
.experience-section {
  background-color: var(--bg-primary);
}

.experience-category {
  margin-bottom: var(--space-12);
}

.experience-category:last-child {
  margin-bottom: 0;
}

.experience-category-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0; /* Normalize margins for consistent alignment */
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--border-color);
  line-height: 1.4; /* Consistent line height for multi-line titles */
  min-height: 3.5rem; /* Ensure consistent height for alignment (accommodates 2 lines) */
  display: block; /* Let the grid column define the width */
  justify-self: stretch; /* Fill the grid column up to the toggle */
  box-sizing: border-box; /* Border uses the full available width */
}

.experience-category-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto; /* Title grows, truncate before toggle */
  align-items: center; /* Center align items vertically */
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  min-height: 3.5rem; /* Ensure consistent header height for alignment */
}

.exp-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  pointer-events: auto !important;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 999999; /* Extremely high z-index to ensure buttons are always above other elements */
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
  flex-shrink: 0; /* Prevent button from shrinking */
  height: fit-content; /* Button height matches content */
  justify-self: end; /* Align toggle to far right in grid header */
}

.exp-toggle .chevron {
  transition: transform var(--transition-base);
}

.exp-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
}

/* Collapsed state */
.experience-category.is-collapsed .experience-timeline {
  display: none;
}

.experience-category:not(.is-collapsed) .exp-toggle .chevron {
  transform: rotate(180deg);
}

.experience-timeline {
  position: relative;
}

/* Ensure Academic and Professional timelines align perfectly */
.experience-category[data-collapsible="academic"] .experience-timeline,
.experience-category[data-collapsible="professional"] .experience-timeline {
  margin-left: 0;
  padding-left: 0;
}

/* Normalize headers alignment across categories */
.experience-category[data-collapsible="academic"] .experience-category-header,
.experience-category[data-collapsible="professional"] .experience-category-header {
  margin-left: 0;
  padding-left: 0;
}

/* Removed vertical timeline line */
/* .experience-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: var(--space-8);
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
  z-index: 1;
} */

.experience-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-8);
  padding: var(--space-8);
  position: relative;
  transition: transform var(--transition-hover), box-shadow var(--transition-hover), border-color var(--transition-hover);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-color);
}

.experience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.experience-card::before {
  content: '';
  position: absolute;
  left: -45px;
  top: 40px;
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  z-index: 2;
  box-shadow: var(--shadow-md);
}

/* Removed special research card styling to maintain consistency */
/* .experience-card-research {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-left: 4px solid var(--accent-color);
} */

.card-header {
  margin-bottom: var(--space-6);
}

.company-info {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.company-logo {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.company-logo svg {
  width: 32px;
  height: 32px;
  color: white;
}

.company-details {
  flex: 1;
}

.role-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.company-name {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--primary-color);
  margin-bottom: var(--space-3);
}

.company-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-base), text-decoration var(--transition-base);
}

.company-link:hover {
  color: var(--accent-color);
  text-decoration: underline;
}

.location-period {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-2);
}

.location,
.period {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.location svg,
.period svg {
  color: var(--primary-color);
}

.badge {
  margin-left: auto;
}

.card-body {
  margin-top: var(--space-6);
}

.achievements-list {
  list-style: none;
  list-style-type: none;
  margin-bottom: var(--space-6);
  padding-left: 0;
}

.achievements-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  padding-left: var(--space-3);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-base);
  transition: background-color var(--transition-hover), transform var(--transition-hover);
  font-size: var(--text-base);
  list-style: none;
  list-style-type: none;
}

.achievements-list li::before {
  display: none;
  content: none;
}

/* Hover effect removed */
/* .achievements-list li:hover {
  background-color: var(--primary-color);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(34, 139, 34, 0.2);
} */

.achievement-icon {
  color: var(--accent-color);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.achievements-list li p {
  margin: 0;
  line-height: var(--leading-relaxed);
  transition: color 0.2s ease;
}

/* Hover text color change removed */
/* .achievements-list li:hover p {
  color: white;
} */

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tags .tag {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
  color: var(--primary-color);
  font-weight: var(--font-medium);
  transition: transform var(--transition-hover), box-shadow var(--transition-hover);
}

.tech-tags .tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.research-summary {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  border-left: 4px solid var(--accent-color);
  margin-bottom: var(--space-4);
}

/* Metric Highlighting (match About section) */
/* No specific class-based styling for experience percentages; inline styles are used. */

/* Responsive Design */
@media (max-width: 768px) {
  /* Removed timeline line positioning */
  /* .experience-timeline::before {
    left: 20px;
  } */
  
  /* Ensure alignment is maintained on mobile */
  .experience-category-header {
    align-items: center; /* Maintain center alignment on mobile */
    min-height: 3.5rem; /* Maintain consistent height on mobile */
    /* Enforce identical layout for title and toggle across categories */
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: var(--space-4);
    margin-left: 0 !important;
    padding-left: 0 !important;
  }
  
  .experience-category-title {
    min-height: 3.5rem; /* Maintain consistent height on mobile */
    line-height: 1.4; /* Maintain consistent line height on mobile */
    margin: 0; /* Normalize margins */
  }
  
  /* Ensure the toggle aligns to the far right consistently */
  .experience-category .exp-toggle {
    justify-self: end;
  }
  
  .experience-card::before {
    left: -30px;
    width: 16px;
    height: 16px;
  }
  
  .experience-card {
    padding: var(--space-6);
    margin-left: var(--space-8);
  }
  
  .company-info {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .company-logo {
    width: 50px;
    height: 50px;
  }
  
  .company-logo svg {
    width: 28px;
    height: 28px;
  }
  
  .location-period {
    justify-content: center;
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .badge {
    margin-left: 0;
    margin-top: var(--space-2);
  }
}

@media (max-width: 480px) {
  .experience-card {
    padding: var(--space-4);
    margin-left: var(--space-6);
  }
  
  .role-title {
    font-size: var(--text-lg);
  }
  
  .company-name {
    font-size: var(--text-base);
  }
  
  .achievements-list li {
    padding: var(--space-2);
  }
  
  .achievement-icon {
    font-size: var(--text-base);
  }
}

/* Animation for cards appearing */
.experience-card {
  opacity: 0;
  transform: translateX(-30px);
  animation: slideInLeft 0.6s ease-out forwards;
}

.experience-card:nth-child(1) { animation-delay: 0.1s; }
.experience-card:nth-child(2) { animation-delay: 0.2s; }
.experience-card:nth-child(3) { animation-delay: 0.3s; }
.experience-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Hover effects for interactive elements - removed */
/* .achievements-list li:hover .achievement-icon {
  transform: scale(1.2);
  color: white;
} */

.company-logo:hover {
  transform: scale(1.1);
}

.tech-tags .tag:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
}

/* Focus states for accessibility */
.experience-card:focus-within {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.achievements-list li:focus-within {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Research Publication Styles */
.research-publication {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-color);
  margin-left: calc(var(--space-8) * -1); /* Negative margin to align with card's left edge */
  margin-right: calc(var(--space-8) * -1); /* Negative margin for right side too */
  padding-left: var(--space-8); /* Restore padding inside */
  padding-right: var(--space-8); /* Restore padding inside */
}

.publication-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.publication-link {
  text-decoration: none;
  display: block;
}

.publication-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-color); /* Match the orange accent color */
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
  cursor: pointer;
}

.publication-box:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.publication-icon {
  flex-shrink: 0;
  color: var(--primary-color);
  margin-top: var(--space-1);
}

.publication-content {
  flex: 1;
  min-width: 0;
}

.publication-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.publication-keywords {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.4;
  font-style: italic;
}

.external-link-icon {
  flex-shrink: 0;
  color: var(--text-secondary);
  margin-top: var(--space-1);
  transition: color var(--transition-base), transform var(--transition-base);
}

.publication-box:hover .external-link-icon {
  color: var(--primary-color);
  transform: translate(2px, -2px);
}