/* Analytics Dashboard Styling - Phase 47 */
/* Integrates with Phase 46 Design System */

/* ============================================================================
   ANALYTICS DASHBOARD LAYOUT SYSTEM
   ============================================================================ */

.analytics-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--spacing-5);
  background-color: var(--color-background);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-5);
}

.analytics-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.analytics-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.analytics-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.analytics-full {
  grid-column: 1 / -1;
}

/* ============================================================================
   METRIC CARDS
   ============================================================================ */

.metric-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.metric-card:hover {
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.metric-card--elevated {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-light) 100%);
  border: 1px solid var(--color-primary-200);
  box-shadow: var(--shadow-md);
}

.metric-card--success {
  border-left: 4px solid var(--color-success);
}

.metric-card--warning {
  border-left: 4px solid var(--color-warning);
}

.metric-card--danger {
  border-left: 4px solid var(--color-danger);
}

.metric-card--info {
  border-left: 4px solid var(--color-info);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-2);
  font-weight: 600;
}

.metric-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
  line-height: 1.2;
}

.metric-unit {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-left: var(--spacing-1);
}

.metric-change {
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  margin-top: auto;
}

.metric-change--positive {
  color: var(--color-success);
}

.metric-change--negative {
  color: var(--color-danger);
}

.metric-change--neutral {
  color: var(--color-text-secondary);
}

.metric-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 24px;
  margin-bottom: var(--spacing-3);
}

.metric-icon--primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary);
}

.metric-icon--success {
  background-color: var(--color-success-100);
  color: var(--color-success);
}

.metric-icon--warning {
  background-color: var(--color-warning-100);
  color: var(--color-warning);
}

.metric-icon--danger {
  background-color: var(--color-danger-100);
  color: var(--color-danger);
}

/* ============================================================================
   CHART CONTAINERS
   ============================================================================ */

.chart-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
  position: relative;
}

.chart-container:hover {
  box-shadow: var(--shadow-md);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--color-border);
}

.chart-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.chart-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--spacing-1) 0 0 0;
}

.chart-controls {
  display: flex;
  gap: var(--spacing-2);
  align-items: center;
}

.chart-control-btn {
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
}

.chart-control-btn:hover {
  background-color: var(--color-primary-100);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.chart-canvas {
  position: relative;
  height: 300px;
  margin-bottom: var(--spacing-3);
}

.chart-canvas-lg {
  height: 450px;
}

.chart-canvas-sm {
  height: 250px;
}

.chart-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  margin-top: var(--spacing-3);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-border);
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
}

.chart-legend-color {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
}

/* ============================================================================
   ANALYTICS DASHBOARD SECTIONS
   ============================================================================ */

.analytics-section {
  margin-bottom: var(--spacing-6);
}

.analytics-section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-4) 0;
  padding-bottom: var(--spacing-3);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.analytics-section-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
  margin-bottom: var(--spacing-3);
}

/* ============================================================================
   TIME PERIOD SELECTOR
   ============================================================================ */

.time-period-selector {
  display: flex;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-5);
  flex-wrap: wrap;
}

.time-period-btn {
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.time-period-btn:hover {
  background-color: var(--color-background);
  border-color: var(--color-primary-400);
}

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

/* ============================================================================
   COMPARISON TABLE
   ============================================================================ */

.analytics-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.analytics-table thead {
  background-color: var(--color-background);
  border-bottom: 2px solid var(--color-border);
}

.analytics-table th {
  padding: var(--spacing-3) var(--spacing-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.analytics-table td {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.analytics-table tbody tr:hover {
  background-color: var(--color-background);
}

.analytics-table tbody tr:last-child td {
  border-bottom: none;
}

.table-value {
  font-weight: 600;
  color: var(--color-primary);
}

.table-change {
  font-weight: 600;
}

.table-change.positive {
  color: var(--color-success);
}

.table-change.negative {
  color: var(--color-danger);
}

/* ============================================================================
   DASHBOARD BUILDER UI
   ============================================================================ */

.dashboard-builder-panel {
  position: fixed;
  right: 0;
  top: 0;
  width: 400px;
  height: 100vh;
  background-color: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.dashboard-builder-panel.open {
  transform: translateX(0);
}

.builder-header {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.builder-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.builder-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.builder-close-btn:hover {
  color: var(--color-text-primary);
}

.builder-content {
  padding: var(--spacing-4);
}

.builder-section {
  margin-bottom: var(--spacing-5);
}

.builder-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3);
  letter-spacing: 0.5px;
}

.builder-item {
  padding: var(--spacing-3);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-2);
  cursor: grab;
  transition: all var(--transition-fast);
}

.builder-item:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-50);
}

.builder-item.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.builder-item-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.builder-item-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

/* ============================================================================
   REFRESH INDICATOR
   ============================================================================ */

.refresh-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.refresh-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ============================================================================
   EXPORT BUTTONS
   ============================================================================ */

.export-btn {
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.export-btn:hover {
  background-color: var(--color-primary-600);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.export-btn--secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-primary);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
  .analytics-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .dashboard-builder-panel {
    width: 100%;
    max-width: 350px;
  }
}

@media (max-width: 768px) {
  .analytics-container {
    padding: var(--spacing-3);
  }

  .analytics-grid {
    gap: var(--spacing-3);
  }

  .chart-canvas {
    height: 250px;
  }

  .chart-canvas-lg {
    height: 350px;
  }

  .analytics-table {
    font-size: var(--font-size-xs);
  }

  .analytics-table th,
  .analytics-table td {
    padding: var(--spacing-2) var(--spacing-3);
  }

  .time-period-selector {
    justify-content: flex-start;
    overflow-x: auto;
    gap: var(--spacing-1);
  }

  .time-period-btn {
    flex-shrink: 0;
  }

  .dashboard-builder-panel {
    width: 100%;
    max-width: 100%;
    height: auto;
    position: static;
    transform: none;
    border-left: none;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }

  .dashboard-builder-panel.open {
    transform: none;
  }

  .metric-value {
    font-size: var(--font-size-2xl);
  }

  .analytics-section-title {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 480px) {
  .analytics-grid,
  .analytics-grid-2,
  .analytics-grid-3,
  .analytics-grid-4 {
    grid-template-columns: 1fr;
  }

  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-2);
  }

  .chart-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .metric-card {
    padding: var(--spacing-3);
  }

  .chart-container {
    padding: var(--spacing-3);
  }

  .analytics-section-title {
    font-size: var(--font-size-lg);
  }
}

/* ============================================================================
   ANIMATION & TRANSITION UTILITIES
   ============================================================================ */

.fade-in {
  animation: fadeIn var(--transition-base) ease-in-out;
}

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

.slide-in {
  animation: slideIn var(--transition-base) ease-out;
}

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

.loading-skeleton {
  background: linear-gradient(
    90deg,
    var(--color-background) 25%,
    var(--color-border) 50%,
    var(--color-background) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}