/* Primeta Repositories Styles
 * Based on the Primeta.ai style guide
 */

/* Base Variables from Style Guide */
:root {
  /* Primary Palette */
  --primary-purple: #6366F1;
  --primary-dark-purple: #4F46E5;
  --primary-light-purple: #A78BFA;
  --accent-purple: #7C3AED;
  
  /* Secondary Palette */
  --navy-dark: #0F172A;
  --navy-medium: #1E293B;
  --deep-purple: #1E1E38;
  --rich-purple: #2D1E69;
  
  /* Text Colors */
  --text-primary: #F8F8F2;
  --text-secondary: rgba(255, 255, 255, 0.9);
  --text-tertiary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-accent: #A5B4FC;
  --text-headers: #A78BFA;
}

.repositories-container {
  color: var(--text-secondary);
  padding: 3rem 0;
  min-height: calc(100vh - 70px);
  font-family: 'Inter', sans-serif;
}

/* Repository Grid */
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

/* Repository Card */
.repo-card {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.repo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5), 0 4px 10px rgba(0, 0, 0, 0.3);
  border-color: rgba(99, 102, 241, 0.4);
}

.repo-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
  position: relative;
}

.repo-card-header h3 {
  flex: 1;
  margin: 0;
  color: var(--text-primary);
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin-right: 40px; /* Make room for status indicator */
}

/* Status Indicator */
.status-indicator {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 50px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.status-indicator.active {
  background-color: rgba(46, 204, 113, 0.2);
  color: #2ecc71;
}

.status-indicator.syncing {
  background-color: rgba(167, 139, 250, 0.2);
  color: var(--primary-light-purple);
}

.status-indicator.error {
  background-color: rgba(231, 76, 60, 0.2);
  color: #e74c3c;
}

/* GitHub Avatar */
.github-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(99, 102, 241, 0.3);
  object-fit: cover;
  background-color: #ffffff;
  flex-shrink: 0;
}

/* Language Tags */
.language-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1rem;
}

.language-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 500;
  color: #fff;
  background-color: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.language-tag small {
  margin-left: 4px;
  opacity: 0.8;
}

/* Language-specific colors */
.language-tag.javascript {
  background-color: #f1e05a;
  color: #000;
  border-color: #f1e05a;
}

.language-tag.typescript {
  background-color: #3178c6;
  border-color: #3178c6;
}

.language-tag.python {
  background-color: #3572A5;
  border-color: #3572A5;
}

.language-tag.ruby {
  background-color: #CC342D;
  border-color: #CC342D;
}

.language-tag.java {
  background-color: #b07219;
  border-color: #b07219;
}

.language-tag.go {
  background-color: #00ADD8;
  border-color: #00ADD8;
}

.language-tag.cpp, .language-tag.c\+\+ {
  background-color: #f34b7d;
  border-color: #f34b7d;
}

.language-tag.c {
  background-color: #555555;
  border-color: #555555;
}

.language-tag.php {
  background-color: #4F5D95;
  border-color: #4F5D95;
}

.language-tag.rust {
  background-color: #DEA584;
  border-color: #DEA584;
}

.language-tag.html {
  background-color: #e34c26;
  border-color: #e34c26;
}

.language-tag.css {
  background-color: #563d7c;
  border-color: #563d7c;
}

.language-tag.scss {
  background-color: #c6538c;
  border-color: #c6538c;
}

.language-tag.csharp {
  background-color: #178600;
  border-color: #178600;
}

.language-tag.shell {
  background-color: #89e051;
  color: #000;
  border-color: #89e051;
}

/* Description */
.description {
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
  min-height: 3rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Quick Stats */
.quick-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 1.5rem;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-item i {
  color: var(--primary-light-purple);
}

.stat-item.commit-hash i {
  color: var(--primary-light-purple);
}

.stat-item.commit-hash a {
  color: var(--text-accent);
  font-family: 'Fira Code', monospace;
  text-decoration: none;
}

.stat-item.commit-hash a:hover {
  text-decoration: underline;
}

/* Card Actions */
.repo-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
}

/* Button Styles */
.repo-card .btn {
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
}

.repo-card .btn-primary {
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  color: white;
  box-shadow: 0 8px 16px rgba(67, 56, 202, 0.3);
  text-decoration: none;
}

.repo-card .btn-primary:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 20px rgba(67, 56, 202, 0.4);
  color: white;
  text-decoration: none;
}

.repo-card .btn-outline {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
  text-decoration: none;
}

.repo-card .btn-outline:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-4px);
  text-decoration: none;
}

/* Repository GitHub Link Styling */
.github-link-show {
  color: var(--text-tertiary);
  font-size: 1.4rem;
  margin-left: 1rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  text-decoration: none;
}

.github-link-show:hover {
  color: white;
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  text-decoration: none;
}

/* Repository Header Styling */
.repository-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.github-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(99, 102, 241, 0.3);
  object-fit: cover;
  background-color: #ffffff;
}

.repository-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  flex: 1;
}

/* Login Banner */
.login-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 2rem;
  margin-bottom: 3rem;
}

.banner-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.banner-content h3 {
  color: var(--text-headers);
  margin-bottom: 1rem;
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
}

.banner-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.banner-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.banner-actions .btn {
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.banner-actions .btn-primary {
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  color: white;
  box-shadow: 0 8px 16px rgba(67, 56, 202, 0.3);
  text-decoration: none;
}

.banner-actions .btn-primary:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 20px rgba(67, 56, 202, 0.4);
  color: white;
  text-decoration: none;
}

.banner-actions .btn-outline {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
  text-decoration: none;
}

.banner-actions .btn-outline:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-4px);
  text-decoration: none;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--text-secondary);
}

.empty-state p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.empty-state .btn {
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  color: white;
  box-shadow: 0 8px 16px rgba(67, 56, 202, 0.3);
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
}

.empty-state .btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 20px rgba(67, 56, 202, 0.4);
  color: white;
  text-decoration: none;
}

/* Media Queries */
@media (max-width: 768px) {
  .repositories-container {
    padding: 2rem 1rem;
  }
  
  .banner-actions {
    flex-direction: column;
  }
  
  .repo-grid {
    grid-template-columns: 1fr;
  }
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.repo-card {
  animation: fadeIn 0.5s ease forwards;
}

/* Staggered animations for repo cards */
.repo-grid .repo-card:nth-child(1) { animation-delay: 0.1s; }
.repo-grid .repo-card:nth-child(2) { animation-delay: 0.2s; }
.repo-grid .repo-card:nth-child(3) { animation-delay: 0.3s; }
.repo-grid .repo-card:nth-child(4) { animation-delay: 0.4s; }
.repo-grid .repo-card:nth-child(5) { animation-delay: 0.5s; }
.repo-grid .repo-card:nth-child(6) { animation-delay: 0.6s; } 

/* Concept Cards Grid and Styling */
.concepts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.concept-card {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.concept-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
  border-color: rgba(99, 102, 241, 0.4);
}

.concept-header {
  background: linear-gradient(90deg, rgba(30, 30, 56, 0.8) 0%, rgba(45, 30, 105, 0.9) 100%);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(99, 102, 241, 0.3);
}

.concept-header i {
  font-size: 1.25rem;
  color: var(--primary-light-purple);
}

.concept-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: 'Sora', sans-serif;
}

.concept-description {
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

.concept-description p {
  margin: 0;
}

.concept-not-found {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.8) 100%);
  border-color: rgba(231, 76, 60, 0.3);
}

.concept-not-found .concept-header i {
  color: #e74c3c;
}

.concept-help-tip {
  background: rgba(41, 50, 65, 0.5);
  border-radius: 8px;
  padding: 1rem;
  margin: 0 1rem 1rem;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.help-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.help-header i {
  color: #3498db;
}

.help-header h4 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.concept-help-tip p {
  margin: 0.5rem 0;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.concept-help-tip code {
  display: block;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  padding: 0.5rem;
  margin-top: 0.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  color: #A5B4FC;
  overflow-x: auto;
}

.concept-files {
  padding: 0 1rem 1rem;
}

.files-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.files-header i {
  color: var(--primary-light-purple);
  font-size: 1rem;
}

.files-header h4 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.files-list {
  background: rgba(15, 23, 42, 0.5);
  border-radius: 8px;
  padding: 0.75rem;
  max-height: 150px;
  overflow-y: auto;
  border: 1px solid rgba(99, 102, 241, 0.15);
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.3) rgba(15, 23, 42, 0.5);
}

.files-list::-webkit-scrollbar {
  width: 6px;
}

.files-list::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}

.files-list::-webkit-scrollbar-thumb {
  background-color: rgba(99, 102, 241, 0.3);
  border-radius: 3px;
}

.concept-file-item {
  margin-bottom: 0.5rem;
}

.concept-file-item:last-child {
  margin-bottom: 0;
}

.concept-file-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  color: var(--text-accent);
  text-decoration: none !important;
  font-size: 0.85rem;
  transition: background-color 0.2s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.concept-file-link:hover {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text-accent);
  text-decoration: none !important;
}

.concept-file-link.viewed {
  color: var(--primary-light-purple);
  font-weight: 500;
}

.concept-file-link i {
  color: var(--primary-light-purple);
  font-size: 0.9rem;
}

.file-path-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unavailable-file {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unavailable-file i {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.files-explanation {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-style: italic;
}

.files-explanation p {
  margin: 0;
}

/* Improved tab styling */
.info-tabs {
  margin-top: 1.5rem;
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 0.25rem;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--text-tertiary);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: var(--text-secondary);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease forwards;
}

.tab-content.active {
  display: block;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .concepts-grid {
    grid-template-columns: 1fr;
  }
  
  .tab-nav {
    justify-content: flex-start;
  }
}

/* Add animation for tab switching */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Improved empty state styling */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(30, 41, 59, 0.6) 100%);
  border: 1px dashed rgba(99, 102, 241, 0.2);
  border-radius: 12px;
  margin: 1.5rem 0;
}

.empty-state i {
  font-size: 2.5rem;
  color: var(--primary-light-purple);
  margin-bottom: 1rem;
  opacity: 0.7;
}

.empty-state p {
  margin: 0.5rem 0;
  color: var(--text-tertiary);
  max-width: 80%;
}

/* Concept Analysis Form Styling */
.concept-analysis-form {
  background: linear-gradient(135deg, rgba(45, 30, 105, 0.3) 0%, rgba(30, 30, 56, 0.3) 100%);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.form-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.form-header i {
  font-size: 1.25rem;
  color: var(--primary-light-purple);
}

.form-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.analyze-concept-form .form-group {
  margin-bottom: 1rem;
}

.analyze-concept-form label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.analyze-concept-form .form-control {
  width: 100%;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
}

.analyze-concept-form .form-control:focus {
  border-color: rgba(99, 102, 241, 0.6);
  outline: none;
}

.analyze-concept-form .form-control::placeholder {
  color: var(--text-muted);
}

.analyze-concept-form .btn-primary {
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 0.6rem 1.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.analyze-concept-form .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

/* Enhanced File Explorer Styling */
.sidebar {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.9) 100%);
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  max-height: 100%;
}

.sidebar h3 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.file-explorer {
  overflow-y: auto;
  flex-grow: 1;
  padding-right: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.3) rgba(15, 23, 42, 0.5);
  height: 0;
  min-height: 0;
}

.file-tree {
  font-size: 0.9rem;
  padding-bottom: 1rem;
}

.directory {
  margin-bottom: 0.25rem;
  position: relative;
}

.directory-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 0.2s ease;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.directory-label:hover {
  background-color: rgba(99, 102, 241, 0.1);
}

.directory-label i {
  color: var(--primary-light-purple);
  width: 16px;
  text-align: center;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.directory-label i.fa-caret-right {
  transform: rotate(0);
  transition: transform 0.3s ease;
}

.directory-label.expanded i.fa-caret-right {
  transform: rotate(90deg);
}

.directory-label i.fa-folder,
.directory-label i.fa-folder-open {
  margin-right: 2px;
}

.directory-label.expanded i.fa-folder {
  display: none;
}

.directory-label:not(.expanded) i.fa-folder-open {
  display: none;
}

.directory-children {
  padding-left: 1.5rem;
  margin-top: 0.25rem;
  overflow: visible;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
}

.directory.expanded > .directory-children {
  max-height: none;
  opacity: 1;
}

.file-item {
  margin-bottom: 0.25rem;
}

.file-item a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  color: var(--text-tertiary);
  text-decoration: none !important;
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.file-item a:hover {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--text-accent);
  text-decoration: none !important;
}

.file-item a.viewed-file {
  color: #4ade80 !important; /* Green color for viewed files */
  font-weight: 500;
}

/* Additional style for current selection */
.file-item a.current-file.viewed-file {
  color: #4ade80 !important;
  font-weight: 600;
  background-color: rgba(74, 222, 128, 0.1);
  box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.3);
}

.file-item a i {
  color: var(--text-tertiary);
  width: 16px;
  text-align: center;
  font-size: 0.9rem;
}

/* Gold star for key files */
.file-item a i.key-file-star {
  color: #FFD700; /* Gold color */
  text-shadow: 0 0 3px rgba(255, 215, 0, 0.4); /* Subtle gold glow */
  animation: key-file-pulse 2s ease-in-out infinite; /* Subtle pulsing animation */
  margin-left: 0.25rem;  /* Add spacing from left edge */
  margin-right: 0.5rem;  /* Add extra spacing on the right side */
}

@keyframes key-file-pulse {
  0% { opacity: 0.8; }
  50% { opacity: 1; }
  100% { opacity: 0.8; }
}

/* Ensure key file star stays gold even on hover */
.file-item a:hover i,
.file-item a.viewed-file i {
  color: var(--primary-light-purple);
}

/* Ensure key file star stays gold even on hover */
.file-item a:hover i.key-file-star,
.file-item a.viewed-file i.key-file-star {
  color: #FFD700; /* Keep gold color even on hover */
  text-shadow: 0 0 5px rgba(255, 215, 0, 0.6); /* Enhanced glow on hover */
}

.file-item a .key-file-star {
  display: inline-block;
  transform: translateY(1px);
  margin-left: 0.25rem;  /* Add spacing from left edge */
  margin-right: 0.5rem;  /* Add extra spacing on the right side */
}

/* File type specific icons */
.file-item a[data-path$=".rb"] i,
.file-item a[data-path$=".rake"] i {
  color: #CC342D;
}

.file-item a[data-path$=".js"] i {
  color: #F1E05A;
}

.file-item a[data-path$=".ts"] i {
  color: #3178C6;
}

.file-item a[data-path$=".py"] i {
  color: #3572A5;
}

.file-item a[data-path$=".html"] i,
.file-item a[data-path$=".erb"] i {
  color: #E34C26;
}

.file-item a[data-path$=".css"] i,
.file-item a[data-path$=".scss"] i {
  color: #563D7C;
}

.file-item a[data-path$=".json"] i {
  color: #F5A623;
}

.file-item a[data-path$=".md"] i {
  color: #57A1FD;
}

.file-item a[data-path$=".go"] i {
  color: #00ADD8;
}

.file-item a[data-path$=".c"] i,
.file-item a[data-path$=".cpp"] i,
.file-item a[data-path$=".h"] i {
  color: #F34B7D;
}

.file-item a[data-path$=".java"] i {
  color: #B07219;
}

.file-item a[data-path$=".php"] i {
  color: #4F5D95;
}

.file-item a[data-path$=".rs"] i {
  color: #DEA584;
}

.file-item a[data-path$=".yml"] i,
.file-item a[data-path$=".yaml"] i {
  color: #CBCB41;
}

.file-item a[data-path$=".sh"] i,
.file-item a[data-path$=".bash"] i {
  color: #89E051;
}

/* Empty state in sidebar */
.sidebar .empty-state {
  padding: 2rem 1rem;
  margin: 0;
}

.sidebar .empty-state p {
  font-size: 0.85rem;
  max-width: 100%;
}

/* Enhanced Progress Tracking Styling */
.progress-section {
  margin: 1.5rem 0 2rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.4) 0%, rgba(30, 41, 59, 0.4) 100%);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.progress-metric {
  margin-bottom: 1.2rem;
}

.progress-metric:last-child {
  margin-bottom: 0;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.progress-label span:first-child {
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.progress-label span:first-child::before {
  content: '\f0ae';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  color: var(--primary-light-purple);
  font-size: 0.9rem;
}

.progress-metric:nth-child(2) .progress-label span:first-child::before {
  content: '\f005';
}

.progress-value {
  background: rgba(15, 23, 42, 0.5);
  padding: 0.3rem 0.7rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-accent);
  font-weight: 500;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.progress-bar-container {
  height: 10px;
  background-color: rgba(15, 23, 42, 0.5);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  border-radius: 5px;
  position: relative;
  transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0) 0%, 
    rgba(255, 255, 255, 0.3) 50%, 
    rgba(255, 255, 255, 0) 100%);
  animation: progressShine 2s infinite;
  opacity: 0.8;
}

@keyframes progressShine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

.progress-bar-key {
  background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
}

.progress-percentage {
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.progress-percentage::after {
  content: attr(data-percentage);
  margin-left: 0.4rem;
  font-weight: 600;
  color: var(--primary-light-purple);
}

/* Progress achievement badges */
.achievement-badges {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.achievement-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(15, 23, 42, 0.4);
  border-radius: 12px;
  padding: 1rem;
  width: 100px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  transition: all 0.3s ease;
}

.achievement-badge:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
}

.achievement-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-dark-purple) 0%, var(--accent-purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: white;
  font-size: 1.2rem;
}

.achievement-badge.locked .achievement-icon {
  background: rgba(30, 30, 56, 0.5);
  color: var(--text-tertiary);
}

.achievement-name {
  font-size: 0.8rem;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.achievement-badge.locked .achievement-name {
  color: var(--text-tertiary);
}

.achievement-progress {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.achievement-badge.complete .achievement-icon {
  box-shadow: 0 0 15px rgba(167, 139, 250, 0.5);
}

.achievement-badge.complete .achievement-name {
  color: var(--primary-light-purple);
}

/* Additional Responsive Improvements */
@media (max-width: 992px) {
  .repository-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: auto;
  }
  
  .sidebar {
    width: 100%;
    max-height: 400px;
    margin-bottom: 1rem;
  }
  
  .concepts-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
  
  .file-explorer {
    max-height: calc(400px - 3rem);
  }
}

@media (max-width: 768px) {
  .repository-header {
    flex-wrap: wrap;
  }
  
  .achievement-badges {
    gap: 0.75rem;
  }
  
  .achievement-badge {
    width: 90px;
  }
  
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .tab-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
  }
  
  .tab-btn {
    padding: 0.5rem 1rem;
    flex-shrink: 0;
  }
  
  .repository-meta {
    flex-wrap: wrap;
  }
  
  .repository-meta span {
    margin-bottom: 0.5rem;
  }
  
  .info-panel {
    padding: 1rem;
  }
  
  .concepts-grid {
    grid-template-columns: 1fr;
  }
  
  .concept-card {
    margin-bottom: 1rem;
  }
  
  .file-path-text {
    max-width: 200px;
  }
}

@media (max-width: 576px) {
  .repository-content {
    gap: 0.75rem;
  }
  
  .admin-buttons {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .achievement-badges {
    justify-content: space-around;
  }
  
  .achievement-badge {
    width: 80px;
    padding: 0.75rem;
  }
  
  .achievement-icon {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }
  
  .progress-section {
    padding: 1rem;
  }
  
  .progress-label {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .progress-value {
    align-self: flex-end;
  }
  
  .concept-header {
    flex-wrap: wrap;
    padding: 0.75rem;
  }
  
  .file-path-text {
    max-width: 150px;
  }
}

/* Mobile scrolling improvements */
@media (hover: none) and (pointer: coarse) {
  ::-webkit-scrollbar {
    width: 3px;
    height: 3px;
  }
  
  .tab-nav {
    scrollbar-width: none;
  }
  
  .tab-nav::-webkit-scrollbar {
    display: none;
  }
  
  .file-explorer {
    -webkit-overflow-scrolling: touch;
  }
}

/* Dark mode preference compatibility */
@media (prefers-color-scheme: dark) {
  .sidebar {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
  }
  
  .empty-state {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.7) 0%, rgba(30, 41, 59, 0.7) 100%);
  }
}

/* Enhanced Key Files Tab Styling */
.key-files-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.key-file-item {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(30, 41, 59, 0.6) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.key-file-item:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.key-file-item:hover::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(99, 102, 241, 0) 0%, 
    rgba(99, 102, 241, 0.1) 50%, 
    rgba(99, 102, 241, 0) 100%);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.key-file-star {
  margin-right: 0.75rem;
  margin-left: 0.5rem;
  padding-left: 0.25rem;
  font-size: 1.1rem;
  color: #f6d365;
  background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.key-file-path {
  color: var(--text-accent);
  font-size: 0.9rem;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  transition: color 0.2s ease;
}

.key-file-item:hover .key-file-path {
  color: var(--primary-light-purple);
}

/* Viewed key file state */
.key-file-item.viewed {
  background: linear-gradient(135deg, rgba(45, 30, 105, 0.2) 0%, rgba(30, 41, 59, 0.2) 100%);
  border-color: rgba(167, 139, 250, 0.3);
}

.key-file-item.viewed .key-file-star {
  background: linear-gradient(135deg, #a78bfa 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.key-file-item.viewed .key-file-path {
  color: var(--primary-light-purple);
  font-weight: 500;
}

/* Empty state specifically for key files */
.key-files-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.5rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.4) 0%, rgba(30, 41, 59, 0.4) 100%);
  border-radius: 12px;
  border: 1px dashed rgba(99, 102, 241, 0.2);
  text-align: center;
  margin-top: 1.5rem;
}

.key-files-empty i {
  font-size: 2.5rem;
  color: var(--primary-light-purple);
  margin-bottom: 1rem;
  opacity: 0.6;
}

.key-files-empty h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.key-files-empty p {
  color: var(--text-tertiary);
  max-width: 450px;
  margin: 0 auto;
}

/* Responsive adjustments for key files */
@media (max-width: 768px) {
  .key-files-list {
    grid-template-columns: 1fr;
  }
}

/* Highlight currently active folder path */
.directory.active-path > .directory-label {
  background-color: rgba(99, 102, 241, 0.15);
  font-weight: 500;
}

.directory.active-path > .directory-label i {
  color: var(--primary-purple);
}

/* Add style for currently expanded folder path */
.directory-path-active > .directory-label {
  background-color: rgba(99, 102, 241, 0.1);
}

/* Improve scrollbar visibility */
.file-explorer::-webkit-scrollbar {
  width: 8px;
  background-color: rgba(15, 23, 42, 0.3);
}

.file-explorer::-webkit-scrollbar-thumb {
  background-color: rgba(99, 102, 241, 0.4);
  border-radius: 4px;
}

.file-explorer::-webkit-scrollbar-thumb:hover {
  background-color: rgba(99, 102, 241, 0.6);
}

/* File highlighting */
.file-item a.current-file {
  background-color: rgba(99, 102, 241, 0.2);
  color: var(--text-accent);
  font-weight: 600;
  border-radius: 4px;
  padding-left: 8px;
  margin-left: -8px;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3);
}

.file-item a.viewed-file {
  color: #4ade80; /* Green color for viewed files */
  font-weight: 500;
}

.file-item a i {
  color: var(--text-tertiary);
  width: 16px;
  text-align: center;
  font-size: 0.9rem;
}

.selected-file-item {
  background-color: rgba(99, 102, 241, 0.1);
  border-radius: 4px;
}

.selected-key-file {
  background-color: rgba(99, 102, 241, 0.2) !important;
  border: 1px solid rgba(99, 102, 241, 0.3) !important;
}