/* ============================================
   LEARNING PAGE STYLES
   ============================================ */

.learning-header {
  margin-bottom: 3rem;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Learning Layout: Sidebar + Main Content */
.learning-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

/* Override container constraints for learning page */
.main-content .container {
  max-width: none !important;
  padding: 0 !important;
  width: 100% !important;
  margin: 0 !important;
}

/* Reduce main-content padding for learning page */
.main-content {
  padding: 2rem !important;
}

/* Left Sidebar */
.learning-sidebar {
  width: 260px;
  flex-shrink: 0;
  position: sticky;
  top: 2rem;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-medium) transparent;
}

.learning-sidebar::-webkit-scrollbar {
  width: 6px;
}

.learning-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.learning-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}

.learning-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--border-subtle);
}

.sidebar-content {
  background: var(--surface-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1.5rem 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* Main Content Area */
.learning-main-content {
  flex: 1;
  min-width: 0;
  max-width: none;
}

.certificates-container {
  width: 100%;
  max-width: none;
}

.certificates-grid {
  width: 100%;
  max-width: none;
}

.learning-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.learning-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

/* Statistics Dashboard */
.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.stat-card-large {
  background: var(--surface-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card-large:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.stat-icon svg {
  width: 100%;
  height: 100%;
}

.stat-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.stat-card-large .stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1.2;
  margin-bottom: 0.25rem;
  width: 100%;
}

.stat-card-large .stat-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
  width: 100%;
}

/* Filters Section (deprecated - now in sidebar) */
.filters-section {
  display: none;
}

.search-box {
  position: relative;
  margin-bottom: 1.5rem;
}

.learning-sidebar .search-box {
  margin-bottom: 1.5rem;
}

.search-box input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  font-size: 1rem;
  border: 2px solid var(--border-medium);
  border-radius: 8px;
  background: var(--surface-dark);
  color: var(--text-primary);
  transition: border-color 0.2s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-icon svg {
  width: 100%;
  height: 100%;
}

/* Skills Filter Section */
.skills-filter-section {
  margin-bottom: 1.5rem;
}

.learning-sidebar .skills-filter-section {
  margin-bottom: 1.5rem;
}

.skills-filter-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
  padding: 0.5rem;
  background: var(--surface-light);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.skill-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface-light);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  margin: 0.25rem 0;
}

.skill-filter-btn:hover {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.skill-filter-btn.active {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-filter-btn .skill-name {
  font-weight: 500;
}

.skill-filter-btn .skill-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.125rem 0.375rem;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.skill-filter-btn:not(.active) .skill-count {
  background: var(--border-subtle);
  color: var(--text-muted);
}

.filters-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  flex: 1;
  min-width: 180px;
}

.filter-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.filter-group select {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.9375rem;
  border: 2px solid var(--border-medium);
  border-radius: 6px;
  background: var(--surface-dark);
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.filter-group select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.clear-filters-btn {
  padding: 0.75rem 1.5rem;
  background: var(--surface-dark);
  border: 2px solid var(--border-medium);
  border-radius: 6px;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.clear-filters-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

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

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--accent-light);
  color: var(--accent-blue);
  border-radius: 16px;
  font-size: 0.875rem;
  font-weight: 500;
}

.filter-tag button {
  background: none;
  border: none;
  color: var(--accent-blue);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  margin-left: 0.25rem;
}

.filter-tag button:hover {
  opacity: 0.7;
}

/* Results Info */
.results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.results-info p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.view-toggle {
  display: flex;
  gap: 0.5rem;
  background: var(--surface-light);
  padding: 0.25rem;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.view-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

.view-btn.active {
  background: var(--accent-blue);
  color: white;
}

.view-btn:hover:not(.active) {
  background: var(--surface-dark);
}

/* Certificates Grid */
.certificates-container {
  width: 100%;
  max-width: none;
  margin: 0;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.certificates-grid.list-view {
  grid-template-columns: 1fr;
}

.certificate-card-learning {
  background: var(--surface-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.5rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  height: 100%;
  min-height: 200px;
  overflow: hidden; /* Prevent content from overflowing card */
}

.certificates-grid.list-view .certificate-card-learning {
  flex-direction: row;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem 1.5rem;
  min-height: auto;
  height: auto;
}

.certificates-grid.list-view .certificate-card-learning .certificate-header-learning {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
  margin-bottom: 0;
}

.certificates-grid.list-view .certificate-title-learning {
  margin-bottom: 0;
  min-height: auto;
  -webkit-line-clamp: 2;
  line-height: 1.4;
  font-size: 1rem;
  -webkit-line-clamp: 3;
  min-height: auto;
}

.certificates-grid.list-view .certificate-meta-learning {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  margin-bottom: 0;
  min-width: 140px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.certificates-grid.list-view .certificate-meta-learning > span {
  white-space: nowrap;
}

.certificates-grid.list-view .certificate-skills-learning {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0;
  min-width: 200px;
  max-width: 350px;
  align-items: center;
  overflow-x: visible;
  overflow-y: visible;
  flex-shrink: 0;
}

.certificates-grid.list-view .certificate-actions {
  margin-top: 0;
  align-self: center;
  flex-shrink: 0;
  padding-top: 0;
}

.certificates-grid.list-view .certificate-link-learning {
  white-space: nowrap;
  font-size: 0.875rem;
}

.certificate-card-learning:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-blue);
}

.certificate-header-learning {
  display: block;
  flex: 1;
  min-width: 0;
}

.certificate-title-learning {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.75rem 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 7.5em;
}

.certificate-badge-learning {
  background: var(--accent-light);
  color: var(--accent-blue);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.certificate-meta-learning {
  display: flex;
  flex-wrap: nowrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  align-items: center;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

.certificate-meta-learning::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.certificate-meta-learning > span {
  white-space: nowrap;
  flex-shrink: 0;
}

.certificate-domain-wrapper {
  margin-bottom: 0.5rem;
}

.certificate-domain {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--surface-light);
  color: var(--text-secondary);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-subtle);
  line-height: 1.2;
}

.certificate-skills-learning {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  min-height: 24px;
  align-items: center;
  overflow-x: visible;
  overflow-y: visible;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  width: 100%;
  max-width: 100%;
}

.certificate-skills-learning::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.skill-badge-learning {
  background: var(--surface-light);
  color: var(--text-secondary);
  padding: 0.2rem 0.45rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 500;
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-block;
  line-height: 1.3;
}

.certificate-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.certificate-link-learning {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s ease, gap 0.2s ease;
}

.certificate-link-learning:hover {
  color: var(--accent-hover);
  gap: 0.75rem;
}

.certificate-link-learning::after {
  content: "→";
  transition: transform 0.2s ease;
}

.certificate-link-learning:hover::after {
  transform: translateX(4px);
}

.loading-message,
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Learning Philosophy Section */
.learning-philosophy-section {
  margin-top: 4rem;
  padding: 2.5rem;
  background: var(--surface-light);
  border-radius: 12px;
  border-left: 4px solid var(--accent-blue);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.learning-philosophy-section h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.learning-philosophy-section p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.philosophy-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.philosophy-point {
  padding: 1.25rem;
  background: var(--surface-dark);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.philosophy-point strong {
  color: var(--accent-blue);
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .certificates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .learning-layout {
    flex-direction: column;
    gap: 1.5rem;
  }

  .learning-sidebar {
    width: 100%;
    position: static;
    max-height: none;
  }

  .learning-main-content {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .learning-header h1 {
    font-size: 2rem;
  }

  .stats-dashboard {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 100%;
  }

  .stat-card-large {
    padding: 1.5rem;
    flex-direction: column;
    text-align: center;
  }

  .stat-icon {
    font-size: 2.5rem;
  }

  .stat-card-large .stat-number {
    font-size: 2rem;
  }

  .filters-row {
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .certificates-grid {
    grid-template-columns: 1fr;
  }

  .certificates-grid.list-view .certificate-card-learning {
    flex-direction: column;
  }

  .philosophy-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .learning-header h1 {
    font-size: 1.75rem;
  }

  .stats-dashboard {
    grid-template-columns: 1fr;
  }

  .results-info {
    flex-direction: column;
    align-items: stretch;
  }

  .view-toggle {
    width: 100%;
    justify-content: center;
  }
}