/* Admin Dashboard Styles */

/* Admin Dashboard Grid Layout */
.admin-dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1rem 0;
}

.admin-section {
  background: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

.admin-section h3 {
  margin: 0 0 1.5rem 0;
  color: #1f2937;
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-section.full-width {
  width: 100%;
}

/* Admin Cards Layout */
.admin-cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.admin-card {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.admin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}

.admin-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Metric Cards */
.metric-card::before {
  background: linear-gradient(90deg, #10b981, #059669);
}

.metric-card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* User Cards */
.user-card::before {
  background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.user-card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Platform Cards */
.platform-card::before {
  background: linear-gradient(90deg, #8b5cf6, #7c3aed);
}

.platform-card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Card Content */
.card-content h4 {
  margin: 0 0 0.5rem 0;
  color: #374151;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 0.25rem;
}

.metric-change {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

.metric-change.positive {
  background: #dcfce7;
  color: #166534;
}

.metric-change.negative {
  background: #fef2f2;
  color: #dc2626;
}

.metric-detail {
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 0.25rem;
}

.system-status {
  color: #10b981 !important;
}

/* Charts Section */
.admin-charts-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.chart-card {
  background: #f9fafb;
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid #e5e7eb;
}

.chart-card h4 {
  margin: 0 0 1rem 0;
  color: #374151;
  font-size: 1rem;
  font-weight: 600;
}

/* Activity Feed */
.activity-feed {
  background: #f9fafb;
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid #e5e7eb;
  max-height: 300px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  transition: background-color 0.2s ease;
}

.activity-item:hover {
  background: #f3f4f6;
}

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

.activity-icon {
  font-size: 1.2rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 50%;
  border: 2px solid #e5e7eb;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.25rem;
}

.activity-time {
  font-size: 0.8rem;
  color: #6b7280;
}

/* Quick Actions */
.admin-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.admin-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0.9rem;
}

.admin-action-btn .btn-icon {
  font-size: 1.1rem;
}

.admin-action-btn.primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
}

.admin-action-btn.primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-1px);
}

.admin-action-btn.secondary {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #d1d5db;
}

.admin-action-btn.secondary:hover {
  background: #e5e7eb;
  transform: translateY(-1px);
}

.admin-action-btn.warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fbbf24;
}

.admin-action-btn.warning:hover {
  background: #fde68a;
  transform: translateY(-1px);
}

/* Loading States */
.admin-card.loading {
  opacity: 0.7;
  pointer-events: none;
}

.admin-card.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid #e5e7eb;
  border-top: 2px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Admin Tab Description */
#adminTab .tab-description {
  color: #6b7280;
  font-size: 1rem;
  margin-bottom: 2rem;
  text-align: center;
  padding: 1rem;
  background: #f9fafb;
  border-radius: 8px;
  border-left: 4px solid #3b82f6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .admin-dashboard-grid {
    gap: 1rem;
  }
  
  .admin-section {
    padding: 1rem;
  }
  
  .admin-cards-row {
    grid-template-columns: 1fr;
  }
  
  .admin-charts-container {
    grid-template-columns: 1fr;
  }
  
  .admin-actions {
    grid-template-columns: 1fr;
  }
  
  .metric-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .admin-card {
    padding: 1rem;
  }
  
  .metric-value {
    font-size: 1.3rem;
  }
  
  .chart-card {
    padding: 1rem;
  }
}

/* Dark mode support (if needed) */
@media (prefers-color-scheme: dark) {
  .admin-section {
    background: #1f2937;
    border-color: #374151;
  }
  
  .admin-card {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    border-color: #4b5563;
  }
  
  .admin-section h3,
  .card-content h4,
  .metric-value,
  .activity-title {
    color: #f9fafb;
  }
  
  .metric-detail,
  .activity-time {
    color: #9ca3af;
  }
  
  .chart-card,
  .activity-feed {
    background: #374151;
    border-color: #4b5563;
  }
}