#insightsTab .kpi-card {
  background: var(--bs-body-bg, #fff);
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
  border: 1px solid rgba(0,0,0,0.05);
}

#insightsTab .kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

#insightsTab .kpi-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

#insightsTab .kpi-value-sm {
  font-size: 1.1rem;
  word-break: break-word;
}

#insightsTab .kpi-label {
  font-size: 0.85rem;
  color: #6c757d;
  font-weight: 500;
}

#insightsTab .kpi-sublabel {
  font-size: 0.75rem;
  color: #9ca3af;
  margin-top: 0.25rem;
}

#insightsTab .kpi-delta {
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

#insightsTab .kpi-delta.positive {
  color: #157347;
}

#insightsTab .kpi-delta.negative {
  color: #dc3545;
}

#insightsTab .kpi-delta.neutral {
  color: #6c757d;
}

#insightsTab .kpi-card-staff .kpi-value { color: #0b5ed7; }
#insightsTab .kpi-card-visitor .kpi-value { color: #157347; }
#insightsTab .kpi-card-student .kpi-value { color: #ffc107; }
#insightsTab .kpi-card-capacity .kpi-value { color: #6f42c1; }
#insightsTab .kpi-card-success .kpi-value { color: #157347; }
#insightsTab .kpi-card-info .kpi-value { color: #0b5ed7; }
#insightsTab .kpi-card-warning .kpi-value { color: #fd7e14; }
#insightsTab .kpi-card-secondary .kpi-value { color: #495057; }
#insightsTab .kpi-card-expected .kpi-value { color: #dc3545; }

#insightsTab .chart-container {
  position: relative;
  background: var(--bs-body-bg, #fff);
  border-radius: 12px;
  padding-top: 1rem;
  padding-left: 1rem;
  padding-right: 1rem;
  padding-bottom: 3rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

#insightsTab .chart-container canvas {
  max-height: 100%;
}

#insightsTab .no-data-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #9ca3af;
}

#insightsTab .no-data-message i {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

#insightsTab .no-data-message p {
  margin: 0;
  font-size: 0.9rem;
}

/* Insight Bubbles */
#insightsTab .insight-bubble {
  background: linear-gradient(135deg, #e8f4fd 0%, #f0f9ff 100%);
  border-left: 4px solid #0b5ed7;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: slideInLeft 0.3s ease;
}

#insightsTab .insight-bubble.insight-warning {
  background: linear-gradient(135deg, #fff8e6 0%, #fffbf0 100%);
  border-left-color: #fd7e14;
}

#insightsTab .insight-bubble.insight-success {
  background: linear-gradient(135deg, #e6f7ed 0%, #f0fdf4 100%);
  border-left-color: #157347;
}

#insightsTab .insight-bubble i {
  font-size: 1.25rem;
  color: #0b5ed7;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

#insightsTab .insight-bubble.insight-warning i { color: #fd7e14; }
#insightsTab .insight-bubble.insight-success i { color: #157347; }

#insightsTab .insight-bubble .insight-text {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.5;
}

#insightsTab .insight-bubble .insight-text strong {
  color: #1f2937;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Heatmap Styles - Compact horizontal layout */
#insightsTab .heatmap-container {
  overflow: hidden;
}

#insightsTab .heatmap-grid {
  display: grid;
  grid-template-columns: 50px repeat(7, minmax(45px, 1fr));
  gap: 2px;
  max-width: 100%;
}

#insightsTab .heatmap-cell {
  min-height: 22px;
  max-height: 26px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  transition: transform 0.15s ease;
}

#insightsTab .heatmap-cell:hover {
  transform: scale(1.05);
  z-index: 1;
}

#insightsTab .heatmap-header {
  background: transparent;
  font-weight: 600;
  color: #6c757d;
  font-size: 0.65rem;
  min-height: 20px;
}

#insightsTab .heatmap-row-header {
  background: transparent;
  font-weight: 500;
  color: #6c757d;
  font-size: 0.6rem;
  text-align: right;
  padding-right: 6px;
  min-height: 22px;
}

/* Dark mode support - uses .dark class toggled by admin_darkmode.js */
#insightsTab .settingsSubMenu.dark .kpi-card {
  background: #2d2d2d;
  border-color: rgba(255,255,255,0.1);
}

#insightsTab .settingsSubMenu.dark .kpi-label {
  color: #adb5bd;
}

#insightsTab .settingsSubMenu.dark .kpi-sublabel {
  color: #868e96;
}

#insightsTab .settingsSubMenu.dark .kpi-card-secondary .kpi-value {
  color: #adb5bd;
}

#insightsTab .settingsSubMenu.dark .kpi-card-expected .kpi-value {
  color: #f87171;
}

#insightsTab .settingsSubMenu.dark .chart-container {
  background: #2d2d2d;
}

#insightsTab .settingsSubMenu.dark h5,
#insightsTab .settingsSubMenu.dark h6 {
  color: #f8f9fa;
}

/* Insight bubbles dark mode */
#insightsTab .settingsSubMenu.dark .insight-bubble {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d3748 100%);
  border-left-color: #3b82f6;
}

#insightsTab .settingsSubMenu.dark .insight-bubble.insight-warning {
  background: linear-gradient(135deg, #78350f 0%, #2d3748 100%);
  border-left-color: #f59e0b;
}

#insightsTab .settingsSubMenu.dark .insight-bubble.insight-success {
  background: linear-gradient(135deg, #064e3b 0%, #2d3748 100%);
  border-left-color: #10b981;
}

#insightsTab .settingsSubMenu.dark .insight-bubble .insight-text {
  color: #e5e7eb;
}

#insightsTab .settingsSubMenu.dark .insight-bubble .insight-text strong {
  color: #f9fafb;
}

#insightsTab .settingsSubMenu.dark .insight-bubble i {
  color: #60a5fa;
}

#insightsTab .settingsSubMenu.dark .insight-bubble.insight-warning i {
  color: #fbbf24;
}

#insightsTab .settingsSubMenu.dark .insight-bubble.insight-success i {
  color: #34d399;
}

/* Heatmap dark mode */
#insightsTab .settingsSubMenu.dark .heatmap-header,
#insightsTab .settingsSubMenu.dark .heatmap-row-header {
  color: #9ca3af;
}

/* No data message dark mode */
#insightsTab .settingsSubMenu.dark .no-data-message {
  color: #6b7280;
}

#insightsTab .settingsSubMenu.dark .no-data-message i {
  color: #4b5563;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  #insightsTab .kpi-value {
    font-size: 1.5rem;
  }

  #insightsTab .kpi-card {
    padding: 1rem;
  }

  #insightsTab .heatmap-cell {
    min-width: 30px;
    min-height: 28px;
    font-size: 0.65rem;
  }
}