/* ==========================================================================
   APP SHELL, COLLAPSIBLE / PEEKABLE SIDEBAR & DASHBOARD STYLES
   - Clean, soothing, uncluttered executive theme
   - Peekable / Collapsible desktop & tablet sidebar
   ========================================================================== */

/* Main App Shell */
.app-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Sidebar Navigation */
.sidebar {
  width: 260px;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 150;
  transition: width var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  flex-shrink: 0;
  overflow: hidden;
}

/* Desktop Collapsed & Peekable Mode */
.sidebar.collapsed {
  width: 68px;
}

.sidebar.collapsed:hover {
  width: 260px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  background: var(--bg-surface);
}

.sidebar-header {
  padding: 1.25rem 1rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 68px;
}

.sidebar-brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
  border: 1px solid var(--border-medium);
  overflow: hidden;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.sidebar-title-wrap {
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition-fast);
  overflow: hidden;
}

.sidebar.collapsed .sidebar-title-wrap {
  opacity: 0;
  pointer-events: none;
}

.sidebar.collapsed:hover .sidebar-title-wrap {
  opacity: 1;
  pointer-events: auto;
}

.sidebar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-collapse-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-group-title {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 0.75rem 0.35rem;
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-group-title {
  opacity: 0;
}

.sidebar.collapsed:hover .nav-group-title {
  opacity: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-item-left i {
  flex-shrink: 0;
}

.nav-item-text {
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-item-text,
.sidebar.collapsed .nav-badge {
  opacity: 0;
}

.sidebar.collapsed:hover .nav-item-text,
.sidebar.collapsed:hover .nav-badge {
  opacity: 1;
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.nav-item.active {
  background: var(--primary-light);
  color: #818cf8;
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

.nav-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  color: var(--text-muted);
}

.nav-item.active .nav-badge {
  background: var(--primary);
  color: #ffffff;
}

.sidebar-footer {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
}

.sidebar.collapsed .sidebar-footer {
  opacity: 0.7;
}

.sidebar.collapsed:hover .sidebar-footer {
  opacity: 1;
}

/* Mobile Sidebar Backdrop Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 140;
  transition: opacity var(--transition-normal);
}

/* Main Content Wrapper */
.main-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.25rem 1.75rem 3rem;
}

/* Top Header Bar */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-surface-glass);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  position: sticky;
  top: 0.75rem;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-title-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.mobile-nav-toggle {
  display: none;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Live Status Badge */
.live-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.pulse-dot.online {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
}

.pulse-dot.syncing {
  background-color: var(--warning);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

/* KPI Sections Layout */
.kpi-sections-container {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.kpi-row {
  display: grid;
  gap: 0.85rem;
  width: 100%;
}

.kpi-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.kpi-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* KPI Bento Grid Legacy / Fallback */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-card {
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.kpi-title {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.kpi-icon-wrapper {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-icon-wrapper.primary { background: var(--primary-light); color: var(--primary); }
.kpi-icon-wrapper.success { background: var(--success-light); color: var(--success); }
.kpi-icon-wrapper.warning { background: var(--warning-light); color: var(--warning); }
.kpi-icon-wrapper.danger { background: var(--danger-light); color: var(--danger); }
.kpi-icon-wrapper.purple { background: var(--purple-light); color: var(--purple); }
.kpi-icon-wrapper.info { background: var(--info-light); color: var(--info); }

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 0.4rem;
}

.kpi-value {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.1;
}

.kpi-unit {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.kpi-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.45rem;
}

.progress-bar-wrap {
  width: 100%;
  height: 5px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-bar-fill.primary { background: var(--primary); }
.progress-bar-fill.success { background: var(--success); }

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-card {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.chart-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  display: block;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 250px;
}

/* Toolbar & Filter Section */
.toolbar-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 0;
  max-width: 380px;
}

.search-box i {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.4rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: 'Prompt', sans-serif;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Horizontal Scrollable Filter Chips */
.filter-chips {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 2px 0;
}

.filter-chips::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-family: 'Prompt', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.filter-chip.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 6px var(--primary-glow);
}

/* View Switcher Tabs */
.view-tabs {
  display: flex;
  background: var(--bg-surface-elevated);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  gap: 2px;
}

.view-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-tab:hover {
  color: var(--text-primary);
}

.view-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Incident Alert Banner */
.alert-banner {
  background: rgba(244, 63, 94, 0.08);
  border: 1px solid rgba(244, 63, 94, 0.25);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.15rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.alert-banner-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #fb7185;
}

.alert-banner-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(244, 63, 94, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--danger);
  flex-shrink: 0;
}

/* ==========================================================================
   FULLSCREEN INITIAL LOADING SCREEN
   ========================================================================== */
.app-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-base);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.5s ease;
  visibility: visible;
  opacity: 1;
}

.app-loading-overlay.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 380px;
  width: 100%;
  animation: fadeIn 0.4s ease-out;
}

.loading-logo-wrap {
  position: relative;
  width: 105px;
  height: 105px;
  border-radius: 26px;
  background: #ffffff;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 35px var(--primary-glow);
  margin-bottom: 1.35rem;
}

.loading-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.loading-glow-ring {
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 31px;
  border: 2px solid var(--primary);
  opacity: 0.5;
  animation: pulse 2s infinite ease-in-out;
  pointer-events: none;
}

.loading-brand-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.loading-brand-sub {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.loading-progress-section {
  width: 100%;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.loading-bar-wrap {
  width: 100%;
  height: 6px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-subtle);
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6366f1 0%, #06b6d4 100%);
  border-radius: var(--radius-full);
  transition: width 0.08s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--primary-glow);
}

.loading-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.loading-status-text {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.loading-percent {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  font-family: 'JetBrains Mono', monospace;
}