/* Admin Validation Styles */

.admin-validation {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.validation-config {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  height: fit-content;
}

.validation-config h3 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.config-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.config-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.config-section h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.config-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.config-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-weight: 500;
}

.config-grid input {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
}

.save-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.save-btn:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.save-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.validation-queue {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
}

.validation-queue h3 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.queue-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.validation-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.item-header h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-size: 1.2rem;
  line-height: 1.4;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.item-meta span {
  background: var(--bg-panel);
  padding: 0.25rem 0.75rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
}

.mcq-options {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-panel);
  transition: all 0.2s ease;
}

.option.correct-option {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.option-letter {
  font-weight: 700;
  color: var(--text-secondary);
  min-width: 1.5rem;
}

.option-text {
  flex: 1;
  color: var(--text-primary);
}

.correct-marker {
  color: #10b981;
  font-weight: 700;
  font-size: 1.2rem;
}

.open-answer, .explanation, .tags {
  margin-bottom: 1.5rem;
}

.open-answer h5, .explanation h5, .tags h5 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 1rem;
}

.correct-text, .explanation-text {
  background: var(--bg-panel);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}

.admin-actions {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.vote-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.approve-btn, .reject-btn {
  flex: 1;
  padding: 1rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
}

.approve-btn {
  background: #10b981;
  color: white;
}

.approve-btn:hover:not(:disabled) {
  background: #059669;
  transform: translateY(-1px);
}

.approve-btn.active {
  background: #059669;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.reject-btn {
  background: #ef4444;
  color: white;
}

.reject-btn:hover:not(:disabled) {
  background: #dc2626;
  transform: translateY(-1px);
}

.reject-btn.active {
  background: #dc2626;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
}

.rejection-reason-field {
  margin-bottom: 1.5rem;
}

.rejection-reason-field label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.rejection-reason-field select {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
}

.rejection-reason-field select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb), 0.2);
}

.reason-description {
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
}

.validation-actions {
  display: flex;
  gap: 1rem;
}

.submit-btn, .skip-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-btn {
  background: var(--primary-color);
  color: white;
}

.submit-btn:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.skip-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.skip-btn:hover {
  background: var(--bg-hover);
  transform: translateY(-1px);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.pagination button {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.pagination button:hover:not(:disabled) {
  background: var(--bg-hover);
  transform: translateY(-1px);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination span {
  color: var(--text-secondary);
  font-weight: 500;
}

.loading, .empty-queue {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.empty-queue h4 {
  margin-top: 0;
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .admin-validation {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .validation-config {
    order: 2;
  }
  
  .validation-queue {
    order: 1;
  }
}

@media (max-width: 768px) {
  .queue-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .vote-buttons {
    flex-direction: column;
  }
  
  .validation-actions {
    flex-direction: column;
  }
  
  .item-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}