/* ==========================================
   RESEARCH REPOSITORY PAGE STYLES
   Matches the website's dark theme and color palette
   ========================================== */

/* ==========================================
   NOTE: All color variables are defined in palette.css
   This file uses those variables for styling
   ========================================== */

/* Research Page Header */
.research-header h1 {
  background: linear-gradient(135deg, var(--color-primary), var(--color-highlight-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.research-header p.lead {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
}

/* Quick Links Cards */
.research-quick-links .card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  overflow: hidden;
  position: relative;
}


.research-quick-links .card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-highlight-pink));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.research-quick-links .card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}

.research-quick-links .card:hover::before {
  opacity: 1;
}

.research-quick-links .card-body {
  padding: var(--space-10) var(--space-8);
}

.research-quick-links .card i.display-4 {
  font-size: 3rem;
  margin-bottom: var(--space-5);
}

.research-quick-links .card h3 {
  color: var(--color-text-primary);
  font-weight: 600;
  margin-bottom: var(--space-4);
  font-size: 1.25rem;
}

.research-quick-links .card p {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.research-quick-links .btn {
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
}

/* Main Section Cards */
.research-section .card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-10);
  overflow: hidden;
}

.research-section .card-header {
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
  border-bottom: 1px solid var(--color-border-default);
  padding: var(--space-6) var(--space-8);
  position: relative;
}

.research-section .card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--color-primary), 
    var(--color-highlight-pink), 
    var(--color-highlight-peach)
  );
}

.research-section .card-header h2 {
  color: var(--color-text-primary);
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.5rem;
}

.research-section .card-header .bi {
  color: var(--color-primary);
  font-size: 1.5rem;
}

.research-section .card-body {
  padding: var(--space-8);
}

.research-section .card-body > p {
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-8);
  font-size: 0.938rem;
}

/* Section Headers within Cards */
.research-section h3 {
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: var(--space-5);
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.research-section h3:first-of-type {
  margin-top: 0;
}

.research-section h3 .bi {
  font-size: 1.125rem;
}

/* List Groups */
.research-section .list-group {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.research-section .list-group-item {
  background: rgba(24, 21, 19, 0.4);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  padding: var(--space-5) var(--space-6);
  transition: all var(--transition-base);
  margin-bottom: var(--space-2);
  border-radius: var(--radius-md) !important;
}

.research-section .list-group-item:last-child {
  margin-bottom: 0;
}

.research-section .list-group-item:hover {
  background: rgba(24, 21, 19, 0.6);
  border-color: var(--color-border-default);
  transform: translateX(4px);
}

.research-section .list-group-item-action {
  text-decoration: none;
}

.research-section .list-group-item h5 {
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.research-section .list-group-item p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
  line-height: 1.5;
}

.research-section .list-group-item small {
  color: var(--color-text-muted);
  font-size: 0.813rem;
}

.research-section .list-group-item .bi-box-arrow-up-right,
.research-section .list-group-item .bi-arrow-right {
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.research-section .list-group-item:hover .bi-box-arrow-up-right,
.research-section .list-group-item:hover .bi-arrow-right {
  transform: translate(2px, -2px);
}

/* Static List Items (non-clickable) */
.research-section .list-group-item:not(.list-group-item-action) {
  cursor: default;
  background: rgba(24, 21, 19, 0.3);
}

.research-section .list-group-item:not(.list-group-item-action):hover {
  transform: none;
  background: rgba(24, 21, 19, 0.3);
  border-color: var(--color-border-subtle);
}

/* Contributing Section */
.research-contribute {
  background: linear-gradient(135deg, 
    rgba(203, 157, 240, 0.08), 
    rgba(240, 193, 225, 0.08)
  );
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  box-shadow: var(--shadow-sm);
}

.research-contribute h3 {
  color: var(--color-text-primary);
  font-weight: 600;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.research-contribute h3 .bi {
  color: var(--color-primary);
}

.research-contribute p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.research-contribute h4 {
  color: var(--color-text-primary);
  font-size: 0.938rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.research-contribute ul {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  padding-left: var(--space-8);
}

.research-contribute ul li {
  margin-bottom: var(--space-3);
}

.research-contribute .btn-dark {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
}

.research-contribute .btn-dark:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Breadcrumb */
.breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-6);
}

.breadcrumb-item {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--color-primary-light);
}

.breadcrumb-item.active {
  color: var(--color-text-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--color-text-muted);
}

/* Back to Top Button */
.research-back-to-top {
  text-align: center;
  margin-top: var(--space-10);
  margin-bottom: var(--space-6);
}

.research-back-to-top .btn {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  color: var(--color-text-secondary);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
}

.research-back-to-top .btn:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-primary);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

/* Color-coded section headers */
.research-section .card-header.bg-primary {
  background: linear-gradient(135deg, 
    rgba(203, 157, 240, 0.15), 
    rgba(182, 127, 224, 0.15)
  ) !important;
  border-bottom-color: rgba(203, 157, 240, 0.3);
}

.research-section .card-header.bg-success {
  background: linear-gradient(135deg, 
    rgba(34, 197, 94, 0.15), 
    rgba(22, 163, 74, 0.15)
  ) !important;
  border-bottom-color: rgba(34, 197, 94, 0.3);
}

.research-section .card-header.bg-info {
  background: linear-gradient(135deg, 
    rgba(255, 249, 191, 0.15), 
    rgba(253, 219, 187, 0.15)
  ) !important;
  border-bottom-color: rgba(255, 249, 191, 0.3);
}

/* Ensure text contrast on colored headers */
.research-section .card-header.bg-primary h2,
.research-section .card-header.bg-success h2,
.research-section .card-header.bg-info h2 {
  color: var(--color-text-primary) !important;
}

.research-section .card-header.bg-primary .bi,
.research-section .card-header.bg-success .bi {
  color: var(--color-success) !important;
}

.research-section .card-header.bg-info .bi {
  color: var(--color-warning) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .research-quick-links .card-body {
    padding: var(--space-8) var(--space-6);
  }
  
  .research-section .card-header {
    padding: var(--space-5) var(--space-6);
  }
  
  .research-section .card-body {
    padding: var(--space-6);
  }
  
  .research-contribute {
    padding: var(--space-8) var(--space-6);
  }
  
  .research-header h1 {
    font-size: 2rem;
  }
}