/* Advanced Analytics Styles - Phase 9 Completion */

/* Modern Date Range Picker */
.date-range-picker-container {
  position: relative;
}

.date-range-btn {
  display: flex;
  align-items: center;
  white-space: nowrap;
  min-width: 180px;
  justify-content: space-between;
}

.date-range-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-grey-light);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  padding: 16px;
  min-width: 320px;
  z-index: 1000;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.date-range-presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.preset-btn {
  padding: 10px 14px;
  border: 1px solid var(--color-grey-light);
  background: var(--color-white);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.preset-btn:hover {
  background: var(--color-grey-lightest);
  border-color: var(--color-primary);
}

.preset-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.date-range-custom {
  border-top: 1px solid var(--color-grey-light);
  padding-top: 16px;
  margin-bottom: 16px;
}

.date-input-group {
  margin-bottom: 12px;
}

.date-input-group:last-child {
  margin-bottom: 0;
}

.date-input-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.date-input-modern {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-grey-light);
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s;
}

.date-input-modern:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.date-range-actions {
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--color-grey-light);
  padding-top: 16px;
}

.date-range-actions .btn {
  flex: 1;
}

/* Chart Export Button */
.chart-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 13px;
  margin-left: auto !important;
}

.card-header .chart-export-btn {
  margin-left: auto;
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Analytics Modal */
.analytics-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.analytics-modal {
  background: var(--color-white);
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.analytics-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-grey-light);
}

.analytics-modal-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.analytics-modal-subtitle {
  font-size: 14px;
  color: var(--color-grey);
  margin: 4px 0 0 0;
}

.analytics-modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--color-grey);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s;
}

.analytics-modal-close:hover {
  background: var(--color-grey-light);
  color: var(--color-text);
}

.analytics-modal-body {
  padding: var(--spacing-lg);
  max-height: 50vh;
  overflow-y: auto;
}

.analytics-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-grey-light);
}

/* Drill-down Grid */
.drill-down-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.drill-down-item {
  padding: var(--spacing-md);
  background: var(--color-grey-lightest);
  border-radius: 8px;
  border: 1px solid var(--color-grey-light);
}

.drill-down-label {
  font-size: 13px;
  color: var(--color-grey);
  margin-bottom: 6px;
  font-weight: 500;
}

.drill-down-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

/* Advanced Chart Containers */
.advanced-charts-section {
  margin-top: var(--spacing-xl);
}

.advanced-charts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.advanced-charts-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.chart-type-selector {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--color-grey-lightest);
  padding: 4px;
  border-radius: 8px;
}

.chart-type-btn {
  padding: 6px 16px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-grey);
  cursor: pointer;
  transition: all 0.2s;
}

.chart-type-btn:hover {
  color: var(--color-text);
}

.chart-type-btn.active {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Comparison Indicator */
.comparison-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 500;
  border-radius: 12px;
  margin-left: var(--spacing-sm);
}

.comparison-indicator svg {
  width: 14px;
  height: 14px;
}

/* Chart Legend Customization */
.custom-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-grey-lightest);
  border-radius: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

.legend-item:hover {
  background: var(--color-white);
}

.legend-item.inactive {
  opacity: 0.4;
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  flex-shrink: 0;
}

.legend-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.legend-value {
  font-size: 13px;
  color: var(--color-grey);
  margin-left: auto;
}

/* Dark Theme Support */
body.dark-theme .date-range-dropdown {
  background: #1f2937;
  border-color: #374151;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

body.dark-theme .preset-btn {
  background: #374151;
  border-color: #4b5563;
  color: #f9fafb;
}

body.dark-theme .preset-btn:hover {
  background: #4b5563;
  border-color: var(--color-primary);
}

body.dark-theme .preset-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

body.dark-theme .date-input-group label {
  color: #9ca3af;
}

body.dark-theme .date-input-modern {
  background: #374151;
  border-color: #4b5563;
  color: #f9fafb;
}

body.dark-theme .date-range-custom {
  border-top-color: #374151;
}

body.dark-theme .date-range-actions {
  border-top-color: #374151;
}

body.dark-theme .date-range-controls {
  background: #1f2937;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

body.dark-theme .date-label {
  color: #f9fafb;
}

body.dark-theme .date-input {
  background: #374151;
  border-color: #4b5563;
  color: #f9fafb;
}

body.dark-theme .analytics-modal {
  background: #1f2937;
}

body.dark-theme .analytics-modal-header {
  border-bottom-color: #374151;
}

body.dark-theme .analytics-modal-title {
  color: #f9fafb;
}

body.dark-theme .analytics-modal-subtitle {
  color: #9ca3af;
}

body.dark-theme .analytics-modal-close {
  color: #9ca3af;
}

body.dark-theme .analytics-modal-close:hover {
  background: #374151;
  color: #f9fafb;
}

body.dark-theme .analytics-modal-footer {
  border-top-color: #374151;
}

body.dark-theme .drill-down-item {
  background: #374151;
  border-color: #4b5563;
}

body.dark-theme .drill-down-label {
  color: #9ca3af;
}

body.dark-theme .drill-down-value {
  color: #f9fafb;
}

body.dark-theme .chart-type-selector {
  background: #374151;
}

body.dark-theme .chart-type-btn {
  color: #9ca3af;
}

body.dark-theme .chart-type-btn:hover {
  color: #f9fafb;
}

body.dark-theme .chart-type-btn.active {
  background: #1f2937;
  color: #60a5fa;
}

body.dark-theme .custom-legend {
  background: #374151;
}

body.dark-theme .legend-item:hover {
  background: #1f2937;
}

body.dark-theme .legend-label {
  color: #f9fafb;
}

body.dark-theme .legend-value {
  color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
  .date-range-wrapper {
    flex-direction: column;
    align-items: stretch;
  }
  
  .date-input {
    width: 100%;
  }
  
  .analytics-modal {
    width: 95%;
    max-height: 90vh;
  }
  
  .drill-down-grid {
    grid-template-columns: 1fr;
  }
  
  .chart-export-btn {
    font-size: 12px;
    padding: 4px 8px;
  }
  
  .chart-export-btn svg {
    width: 12px;
    height: 12px;
  }
}

/* Print Styles */
@media print {
  .date-range-controls,
  .chart-export-btn,
  .analytics-modal-overlay {
    display: none !important;
  }
}