/* =========================================
   Power Outage Dashboard - Professional Theme
   ========================================= */

/* =========================================
   1. CSS Variables & Theme System
   ========================================= */

:root {
  /* Light Theme (Default) */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #64748b;
  --secondary-hover: #475569;
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.8);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-inverse: #ffffff;
  
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --glass-blur: blur(12px);
  --glass-saturate: saturate(180%);
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Utility Colors */
  --color-sce: #f97316;
  --color-sdge: #06b6d4;
  --color-ladwp: #8b5cf6;
  --color-iid: #22c55e;
  --color-pge: #ec4899;
  --color-poweroutage: #eab308;
  --color-usoutage: #3b82f6;
  
  /* Map specific */
  --map-bg: #e5e7eb;
  --popup-bg: var(--bg-card);
}

/* Dark Theme */
[data-theme="dark"] {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #60a5fa;
  --secondary: #94a3b8;
  --secondary-hover: #64748b;
  
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.95);
  --bg-glass: rgba(15, 23, 42, 0.8);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #64748b;
  --text-inverse: #0f172a;
  
  --border-color: #334155;
  --border-light: #1e293b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  
  --map-bg: #1e293b;
  --popup-bg: var(--bg-card);
}

/* =========================================
   2. Base Styles
   ========================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* =========================================
   3. Layout Structure
   ========================================= */

.dashboard {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

/* Header */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--warning), var(--danger));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

/* Main Navigation */
.main-nav {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.nav-link.active {
  background: var(--primary);
  color: var(--text-inverse);
}

.nav-link svg {
  width: 1rem;
  height: 1rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.theme-toggle:hover {
  background: var(--bg-primary);
  border-color: var(--primary);
  color: var(--primary);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Last Updated */
.last-updated {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

/* =========================================
   4. Main Content Area
   ========================================= */

.dashboard-main {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Map Container */
.map-container {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Source Tabs */
.source-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  flex-shrink: 0;
}

.source-tabs::-webkit-scrollbar {
  height: 4px;
}

.source-tabs::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

.source-tabs::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.source-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.source-tab.active {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

.source-tab .count {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  background: rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
}

.source-tab.active .count {
  background: rgba(255, 255, 255, 0.2);
}

/* Layer Controls */
.layer-controls {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.layer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

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

.layer-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
}

.layer-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Map Element */
#map {
  flex: 1;
  background: var(--map-bg);
}

/* =========================================
   5. Floating Stats Cards
   ========================================= */

.floating-stats {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  gap: 1rem;
  z-index: 10;
  pointer-events: none;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur) var(--glass-saturate);
  -webkit-backdrop-filter: var(--glass-blur) var(--glass-saturate);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-icon.outages {
  background: linear-gradient(135deg, #fef3c7, #fcd34d);
  color: #92400e;
}

.stat-icon.customers {
  background: linear-gradient(135deg, #fee2e2, #fca5a5);
  color: #991b1b;
}

.stat-icon.utilities {
  background: linear-gradient(135deg, #dbeafe, #93c5fd);
  color: #1e40af;
}

.stat-icon.counties {
  background: linear-gradient(135deg, #d1fae5, #6ee7b7);
  color: #065f46;
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

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

/* =========================================
   6. Side Panel (Detail View)
   ========================================= */

.side-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  max-width: 100%;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  z-index: 200;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.side-panel-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.side-panel-overlay.open {
  opacity: 1;
  visibility: visible;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.panel-close:hover {
  background: var(--bg-primary);
  color: var(--danger);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.detail-section {
  margin-bottom: 1.5rem;
}

.detail-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 0.75rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.detail-item.full-width {
  grid-column: 1 / -1;
}

.detail-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.detail-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge.active {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.status-badge.restored {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.utility-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.utility-badge.sce { background: rgba(249, 115, 22, 0.1); color: var(--color-sce); }
.utility-badge.sdge { background: rgba(6, 182, 212, 0.1); color: var(--color-sdge); }
.utility-badge.ladwp { background: rgba(139, 92, 246, 0.1); color: var(--color-ladwp); }
.utility-badge.iid { background: rgba(34, 197, 94, 0.1); color: var(--color-iid); }
.utility-badge.pge { background: rgba(236, 72, 153, 0.1); color: var(--color-pge); }
.utility-badge.poweroutage { background: rgba(234, 179, 8, 0.1); color: var(--color-poweroutage); }
.utility-badge.usoutage { background: rgba(59, 130, 246, 0.1); color: var(--color-usoutage); }

/* =========================================
   7. Bottom Panel (Charts & Table)
   ========================================= */

.bottom-panel {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.bottom-panel.expanded {
  max-height: 50vh;
}

.panel-toggle-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.panel-toggle-bar:hover {
  background: var(--bg-primary);
}

.toggle-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--text-tertiary);
  transition: transform var(--transition-fast);
}

.bottom-panel.expanded .toggle-icon {
  transform: rotate(180deg);
}

.panel-content {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(50vh - 3rem);
}

/* Charts Section */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.chart-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.chart-wrapper {
  height: 200px;
  position: relative;
}

/* =========================================
   8. Data Table
   ========================================= */

.table-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.table-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.table-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-input {
  padding: 0.5rem 1rem;
  padding-left: 2.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  min-width: 200px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-wrapper {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  color: var(--text-tertiary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

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

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

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.data-table th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.data-table th:hover {
  background: var(--bg-primary);
}

.data-table th.sorted {
  color: var(--primary);
}

.sort-icon {
  display: inline-block;
  margin-left: 0.25rem;
  opacity: 0.5;
}

.data-table th.sorted .sort-icon {
  opacity: 1;
}

.data-table td {
  font-size: 0.875rem;
  color: var(--text-primary);
}

.data-table tbody tr {
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.table-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: 1rem;
}

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

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.page-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--primary);
  color: var(--primary);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
}

/* =========================================
   9. OpenLayers Custom Styles
   ========================================= */

.ol-popup {
  position: absolute;
  background: var(--popup-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  max-width: 300px;
}

.ol-popup:after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--popup-bg);
}

.ol-popup-closer {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.ol-popup-closer:hover {
  background: var(--danger);
  color: white;
}

.popup-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  padding-right: 1.5rem;
}

.popup-utility-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.popup-utility-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.popup-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.popup-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
}

.popup-label {
  color: var(--text-tertiary);
}

.popup-value {
  font-weight: 500;
  color: var(--text-primary);
}

.popup-actions {
  display: flex;
  gap: 0.5rem;
}

.popup-btn {
  flex: 1;
  padding: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.popup-btn-primary {
  background: var(--primary);
  color: white;
  border: none;
}

.popup-btn-primary:hover {
  background: var(--primary-hover);
}

/* OpenLayers Controls Styling */
.ol-control button {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
}

.ol-control button:hover {
  background: var(--bg-tertiary) !important;
}

.ol-attribution {
  background: var(--bg-glass) !important;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-sm);
}

.ol-attribution a {
  color: var(--primary);
}

/* =========================================
   10. Responsive Design
   ========================================= */

@media (max-width: 1024px) {
  .floating-stats {
    flex-wrap: wrap;
  }
  
  .stat-card {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 140px;
  }
  
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard-header {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }
  
  .header-left, .header-right {
    width: 100%;
    justify-content: space-between;
  }
  
  .source-tabs {
    padding: 0.5rem;
  }
  
  .source-tab {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .floating-stats {
    bottom: 0.5rem;
    left: 0.5rem;
    right: 0.5rem;
    gap: 0.5rem;
  }
  
  .stat-card {
    padding: 0.5rem 0.75rem;
  }
  
  .stat-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }
  
  .stat-value {
    font-size: 1rem;
  }
  
  .side-panel {
    width: 100%;
  }
  
  .layer-controls {
    top: 0.5rem;
    right: 0.5rem;
  }
  
  .layer-btn {
    width: 2rem;
    height: 2rem;
  }
}

@media (max-width: 480px) {
  .logo span {
    display: none;
  }
  
  .stat-card {
    flex: 1 1 100%;
  }
  
  .table-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .table-controls {
    flex-wrap: wrap;
  }
  
  .search-input {
    min-width: 100%;
  }
}

/* =========================================
   11. Utility Classes
   ========================================= */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-center {
  text-align: center;
}

.font-mono {
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
}

/* Loading State */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-primary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--info); }