/* =============================================================================
   ReadySpaces Dashboard - Complete Styling
   Clean, professional design with heat maps, sparklines, and responsive layout
   NEW: Added expandable row styles for Deep Dive tab
   CONSOLIDATED: Merged sparklines.css into main styles
   ============================================================================= */

/* CSS Variables for Consistent Color Scheme */
:root {
  /* Status Colors (Heat Map) */
  --color-critical: #dc2626;
  --color-warning: #ea580c;
  --color-balanced: #3b82f6;
  --color-good: #22c55e;
  --color-excellent: #16a34a;
  
  /* UI Colors */
  --color-primary: #1e40af;
  --color-secondary: #64748b;
  --color-success: #059669;
  --color-info: #0891b2;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #1e293b;
  
  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-white: #ffffff;
  
  /* Border Colors */
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: #64748b;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Legacy variables for sparklines compatibility */
  --card-bg: var(--bg-primary);
  --border-color: var(--border-light);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

/* Alert Bar */
.alert-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, var(--color-critical), #ef4444);
  color: var(--text-white);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transform: translateY(-100%);
  transition: transform 0.3s ease-in-out;
}

.alert-bar.active {
  transform: translateY(0);
}

.alert-content {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--spacing-sm);
}

.alert-icon {
  font-size: 1.25rem;
  animation: pulse 2s infinite;
}

.alert-message {
  flex: 1;
  font-weight: 500;
}

.alert-close {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s;
}

.alert-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Main Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
  min-height: 100vh;
  padding-top: calc(var(--spacing-md) + 60px);
}

/* Header */
.header {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.header h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

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

.last-updated {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.refresh-btn {
  background: var(--color-primary);
  color: var(--text-white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.refresh-btn:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.tab-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--color-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

/* Tab Content */
.tab-content {
  min-height: 600px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-overlay.hidden {
  display: none;
}

.loading-content {
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-light);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

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

/* =============================================================================
   Component Styles - Metrics, Charts, Tables, and Interactive Elements
   ============================================================================= */

/* Metrics Grid and Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.metric-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all 0.2s;
}

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

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

.metric-header h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-icon {
  font-size: 1.5rem;
  opacity: 0.8;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1;
}

.metric-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Filters Bar */
.filters-bar {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.filters-bar select,
.filters-bar input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-width: 150px;
}

.filters-bar select:focus,
.filters-bar input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Charts Grid and Containers */
.charts-grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.chart-container {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.chart-container.chart-primary {
  grid-column: 1 / -1;
}

/* Supply-Demand Chart Container Fix */
.supply-demand-container {
  max-height: 600px;
  overflow: hidden;
}

.chart-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
}

.chart-wrapper canvas {
  position: absolute;
  top: 0;
  left: 0;
}

.chart-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.chart-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.chart-header p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Heat Map Tiles */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.heatmap-tile {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  position: relative;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.heatmap-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.heatmap-tile.critical {
  background: linear-gradient(135deg, var(--color-critical), #ef4444);
  color: var(--text-white);
}

.heatmap-tile.warning {
  background: linear-gradient(135deg, var(--color-warning), #f97316);
  color: var(--text-white);
}

.heatmap-tile.balanced {
  background: linear-gradient(135deg, var(--color-balanced), #60a5fa);
  color: var(--text-white);
}

.heatmap-tile.good {
  background: linear-gradient(135deg, var(--color-good), #4ade80);
  color: var(--text-white);
}

.heatmap-tile.excellent {
  background: linear-gradient(135deg, var(--color-excellent), #15803d);
  color: var(--text-white);
}

.heatmap-tile-name {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.heatmap-tile-occupancy {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.heatmap-tile-status {
  font-size: 0.75rem;
  opacity: 0.9;
}

/* NEW: Heat map tiles for conversion and close rates */
.heatmap-tile-rate {
  font-size: 1.5rem;
  font-weight: 700;
  margin: var(--spacing-sm) 0;
}

.heatmap-tile-label {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.heatmap-tile-detail {
  font-size: 0.75rem;
  opacity: 0.9;
}

/* =============================================================================
   FACILITY SPARKLINES STYLING (Merged from sparklines.css)
   ============================================================================= */

.facility-sparklines {
  padding: 1rem;
}

.sparklines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.sparkline-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.sparkline-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-color: #3b82f6;
}

.sparkline-card.critical {
  border-left: 4px solid #dc2626;
}

.sparkline-card.warning {
  border-left: 4px solid #ea580c;
}

.sparkline-card.good {
  border-left: 4px solid #22c55e;
}

.sparkline-card.excellent {
  border-left: 4px solid #16a34a;
}

.sparkline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.sparkline-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: #1f2937;
  flex: 1;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.sparkline-occupancy {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.sparkline-occupancy.critical {
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
}

.sparkline-occupancy.warning {
  background: rgba(234, 88, 12, 0.1);
  color: #ea580c;
}

.sparkline-occupancy.good {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.sparkline-occupancy.excellent {
  background: rgba(22, 163, 74, 0.1);
  color: #16a34a;
}

.sparkline-canvas {
  width: 100%;
  height: 30px;
  margin: 0.5rem 0;
  display: block;
}

.sparkline-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 0.5rem;
}

.sparkline-leads,
.sparkline-balance {
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  background: #f3f4f6;
}

/* Recommendations Panel */
.recommendations-panel {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.panel-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.panel-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.recommendations-list {
  display: grid;
  gap: var(--spacing-md);
}

.recommendation-item {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.recommendation-item.high {
  border-left-color: var(--color-critical);
  background: #fef2f2;
}

.recommendation-item.medium {
  border-left-color: var(--color-warning);
  background: #fffbeb;
}

.recommendation-item.low {
  border-left-color: var(--color-info);
  background: #eff6ff;
}

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

.recommendation-facility {
  font-weight: 600;
  color: var(--text-primary);
}

.recommendation-confidence {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.recommendation-confidence.high {
  background: var(--color-critical);
  color: var(--text-white);
}

.recommendation-confidence.medium {
  background: var(--color-warning);
  color: var(--text-white);
}

.recommendation-confidence.low {
  background: var(--color-info);
  color: var(--text-white);
}

.recommendation-message {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.recommendation-impact {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* NEW: Size-Based Metrics Summary Panel */
.metrics-summary-panel {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.size-metrics-table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

.size-metrics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.size-metrics-table th,
.size-metrics-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.size-metrics-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.size-metrics-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.size-metrics-table .total-row {
  background: var(--bg-tertiary);
  border-top: 2px solid var(--border-medium);
  font-weight: 600;
}

.size-metrics-table .status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.size-metrics-table .status-indicator.shortage {
  background: #fef2f2;
  color: var(--color-critical);
  border: 1px solid #fecaca;
}

.size-metrics-table .status-indicator.surplus {
  background: #f0fdf4;
  color: var(--color-success);
  border: 1px solid #bbf7d0;
}

.size-metrics-table .status-indicator.balanced {
  background: #eff6ff;
  color: var(--color-balanced);
  border: 1px solid #bfdbfe;
}

.metrics-summary-footer {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

.help-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.help-text .positive-balance {
  color: var(--color-critical);
  font-weight: 600;
}

.help-text .negative-balance {
  color: var(--color-success);
  font-weight: 600;
}

/* Table Styles */
.table-container {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
}

.table-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.table-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.table-controls input,
.table-controls select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.table-wrapper {
  overflow-x: auto;
}

.facilities-table {
  width: 100%;
  border-collapse: collapse;
}

.facilities-table th,
.facilities-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.facilities-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.facilities-table tbody tr {
  transition: background-color 0.2s;
}

.facilities-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.facilities-table tbody tr.critical {
  border-left: 4px solid var(--color-critical);
}

.facilities-table tbody tr.warning {
  border-left: 4px solid var(--color-warning);
}

.facilities-table tbody tr.good {
  border-left: 4px solid var(--color-good);
}

.facilities-table tbody tr.excellent {
  border-left: 4px solid var(--color-excellent);
}

/* NEW: Expandable Row Styles for Deep Dive Tab */
.facility-row {
  cursor: pointer;
}

.expand-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 0;
  margin-right: var(--spacing-sm);
  transition: transform 0.2s;
  display: inline-block;
  width: 16px;
  text-align: center;
}

.expand-toggle:hover {
  color: var(--text-primary);
}

.expandable-row {
  background: var(--bg-tertiary);
}

.expandable-row td {
  padding: 0;
  border-bottom: 1px solid var(--border-light);
}

.expand-content {
  padding: var(--spacing-lg);
  animation: fadeIn 0.3s ease-in-out;
}

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

.expand-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.size-breakdown-container {
  display: grid;
  gap: var(--spacing-sm);
}

.size-breakdown-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  align-items: center;
}

.size-breakdown-row.shortage {
  border-left: 4px solid var(--color-critical);
  background: #fef2f2;
}

.size-breakdown-row.surplus {
  border-left: 4px solid var(--color-success);
  background: #f0fdf4;
}

.size-breakdown-row.balanced {
  border-left: 4px solid var(--color-balanced);
  background: #eff6ff;
}

.size-category {
  font-weight: 600;
  color: var(--text-primary);
}

.size-metric {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.metric-value.shortage {
  color: var(--color-critical);
}

.metric-value.surplus {
  color: var(--color-success);
}

.metric-value.balanced {
  color: var(--color-balanced);
}

/* Status Badges and Action Buttons */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.critical {
  background: var(--color-critical);
  color: var(--text-white);
}

.status-badge.warning {
  background: var(--color-warning);
  color: var(--text-white);
}

.status-badge.good {
  background: var(--color-good);
  color: var(--text-white);
}

.status-badge.excellent {
  background: var(--color-excellent);
  color: var(--text-white);
}

.status-badge.balanced {
  background: var(--color-balanced);
  color: var(--text-white);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.action-btn.success {
  background: var(--color-success);
  color: var(--text-white);
}

.action-btn.warning {
  background: var(--color-warning);
  color: var(--text-white);
}

.action-btn.info {
  background: var(--color-info);
  color: var(--text-white);
}

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

.action-btn.secondary {
  background: var(--color-secondary);
  color: var(--text-white);
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-sm);
    padding-top: calc(var(--spacing-sm) + 60px);
  }
  
  .header h1 {
    font-size: 1.5rem;
  }
  
  .tab-nav {
    flex-direction: column;
  }
  
  .tab-btn {
    flex: none;
    width: 100%;
    justify-content: flex-start;
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .heatmap-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
  
  .size-breakdown-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .size-metric {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  /* Responsive for sparklines */
  .sparklines-grid {
    grid-template-columns: 1fr;
  }
  
  .sparkline-card {
    padding: 0.8rem;
  }
  
  .sparkline-name {
    font-size: 0.85rem;
  }
  
  .sparkline-occupancy {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: var(--spacing-xs);
    padding-top: calc(var(--spacing-xs) + 60px);
  }
  
  .header {
    padding: var(--spacing-md);
  }
  
  .header h1 {
    font-size: 1.25rem;
  }
  
  .metric-value {
    font-size: 1.5rem;
  }
  
  .heatmap-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .filters-bar {
    flex-direction: column;
  }
  
  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }
}