:root {
  --primary: #0A84FF;
  --primary-light: #32D74B;
  --accent-blue: #0A84FF;
  --accent-teal: #36B7CC;
  --accent-gray: #E5E7EB;
  
  /* Light theme - Cool slate with depth and contrast */
  --bg-start: #e2e8f0;
  --bg-end: #cbd5e1;
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(15, 23, 42, 0.15);
  --glass-shadow: rgba(2, 6, 23, 0.12);
  --container-grad-0: rgba(255, 255, 255, 0.85);
  --container-grad-1: rgba(248, 250, 252, 0.75);
  --glass-hover-bg: rgba(0, 0, 0, 0.06);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-on-gradient: #ffffff;
  --blur-intensity: 16px;
  --card-shadow: 0 4px 24px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(15, 23, 42, 0.08);
  --dropdown-bg: rgba(255, 255, 255, 0.98);
  --input-bg: rgba(248, 250, 252, 0.95);
  --header-bg: rgba(248, 250, 252, 0.92);
  --tabbar-bg: rgba(248, 250, 252, 0.95);
  --icon-bg: rgba(15, 23, 42, 0.1);
  --badge-bg: rgba(15, 23, 42, 0.08);
  
  /* White-label theme colors (can be overridden via JS) */
  --color-primary: #3B82F6;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #60A5FA;
  --color-secondary: #8B5CF6;
  --color-accent: #F59E0B;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-background: #0a0a1a;
  --color-surface: rgba(255, 255, 255, 0.05);
  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --gradient-from: #667eea;
  --gradient-to: #764ba2;
  --gradient-primary: linear-gradient(135deg, var(--gradient-from) 0%, var(--gradient-to) 100%);
}

/* Dark mode support - ENHANCED */
.theme-dark {
  --bg-start: #0b1020;
  --bg-end: #121a2e;
  --glass-bg: rgba(17, 24, 39, 0.75);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: rgba(0, 0, 0, 0.4);
  --container-grad-0: rgba(17, 24, 39, 0.8);
  --container-grad-1: rgba(30, 41, 59, 0.6);
  --glass-hover-bg: rgba(255, 255, 255, 0.08);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-on-gradient: #ffffff;
  --blur-intensity: 20px;
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --dropdown-bg: rgba(30, 41, 59, 0.98);
  --input-bg: rgba(30, 41, 59, 0.8);
  --header-bg: rgba(17, 24, 39, 0.9);
  --tabbar-bg: rgba(17, 24, 39, 0.95);
  --icon-bg: rgba(255, 255, 255, 0.1);
  --badge-bg: rgba(255, 255, 255, 0.08);
}

/* Base styling */
html {
  /* Prevent iOS text size adjustment */
  -webkit-text-size-adjust: 100%;
  /* Prevent pull-to-refresh on iOS */
  overscroll-behavior-y: contain;
}

body {
  background: linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  min-height: -webkit-fill-available; /* iOS Safari fix */
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  /* Prevent accidental zoom */
  touch-action: pan-x pan-y;
  -webkit-touch-callout: none;
  /* Smooth scrolling */
  -webkit-overflow-scrolling: touch;
  /* Prevent text selection on UI elements */
  -webkit-user-select: none;
  user-select: none;
}

/* Allow text selection in content areas */
p, article, .selectable {
  -webkit-user-select: text;
  user-select: text;
}

/* Prevent double-tap zoom on interactive elements */
button, a, [role="button"], .tap-target {
  touch-action: manipulation;
}

/* Ensure page can scroll fully with fixed header + fixed tabbar */
main { 
  min-height: calc(100vh - 160px);
  /* Account for iOS safe areas */
  min-height: calc(100svh - 160px);
}

/* iOS standalone PWA adjustments */
@media all and (display-mode: standalone) {
  body {
    /* Full height on iOS PWA */
    min-height: 100svh;
  }
  
  main {
    /* Less padding needed in PWA mode */
    min-height: calc(100svh - 160px);
  }
}

/* Desktop constraints */
@media (min-width: 768px) {
  .container-glass {
    max-width: 700px;
    margin: 16px auto;
    padding: 24px;
  }
  
  .glass-card {
    max-width: none;
    padding: 20px;
  }
  
  /* Larger headings on desktop */
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  /* Prevent over-scaling on desktop */
  .floating {
    animation: none;
  }
  
  .card:hover {
    transform: translateY(-1px);
  }
  
  .glass-card:hover {
    transform: translateY(-1px);
  }
}

/* Glassmorphism card styles */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-intensity));
  -webkit-backdrop-filter: blur(var(--blur-intensity));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Enhanced glass card variant */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
}

.theme-dark .glass-card {
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.25),
    0 2px 8px rgba(0, 0, 0, 0.15),
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

/* Modern buttons */
.brand-bg {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-teal) 100%);
  color: white;
  border: none;
  border-radius: 14px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 4px 16px rgba(10, 132, 255, 0.25),
    0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.brand-bg:hover {
  transform: translateY(-1px);
  box-shadow: 
    0 8px 30px rgba(10, 132, 255, 0.4),
    0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.brand-bg:active {
  transform: translateY(0);
  transition-duration: 0.1s;
}

/* Glass button variant */
.glass-button {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 10px 20px;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s ease;
  box-shadow: var(--card-shadow);
}

.glass-button:hover {
  background: var(--glass-hover-bg);
  transform: translateY(-1px);
  border-color: var(--primary);
}

/* Modern form inputs */
input, textarea, select {
  background: var(--input-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 16px;
  transition: all 0.3s ease;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Fix select dropdown options - works for both modes */
select {
  background-color: var(--dropdown-bg);
}

.theme-dark select {
  background-color: #1e293b;
}

select option {
  background-color: #ffffff;
  color: #0f172a;
  padding: 12px;
}

.theme-dark select option {
  background-color: #1e293b;
  color: #f1f5f9;
}

select option:hover,
select option:focus,
select option:checked {
  background-color: #3b82f6; /* blue-500 */
  color: #ffffff;
}

input::placeholder, textarea::placeholder {
  color: rgba(148, 163, 184, 0.9); /* slate-400 */
}

input:focus, textarea:focus, select:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
  transform: translateY(-1px);
}

/* Brand styling */
.brand {
  color: var(--primary);
  text-shadow: 0 1px 2px rgba(0, 122, 255, 0.2);
}

/* Utility classes */

/* Hide scrollbar for carousel */
.scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

/* Card carousel styling */
.card-carousel {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  margin-left: -0.5rem;
  margin-right: -0.5rem;
}

.card-carousel > *:first-child {
  margin-left: 0.5rem;
}

.card-carousel > *:last-child {
  margin-right: 0.5rem;
}

/* Line clamp utility */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-up {
  animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animate slide up class for toasts */
.animate-slide-up {
  animation: slideUp 0.3s ease-out;
}

/* Modern navigation */
.nav-glass {
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

/* Bottom tabbar navigation */
nav.nav-glass {
  background: var(--tabbar-bg);
  border-top: 1px solid var(--glass-border);
  border-bottom: none;
}

/* =========================================
   SHOW SELECTOR DROPDOWN
   ========================================= */
.show-selector {
  position: relative;
}

.show-selector-btn {
  background: var(--icon-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
}

.show-selector-btn:hover {
  background: var(--glass-hover-bg);
}

.show-selector-btn:active {
  transform: scale(0.98);
}

.show-selector.open .show-selector-chevron {
  transform: rotate(180deg);
}

.show-selector-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 320px;
  max-width: calc(100vw - 32px);
  background: var(--dropdown-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--card-shadow), 0 20px 40px rgba(0, 0, 0, 0.15);
  z-index: 100;
  animation: dropdownSlide 0.2s ease-out;
}

@keyframes dropdownSlide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.show-option {
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
}

.show-option:hover {
  background: var(--glass-hover-bg);
}

.show-option-active {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
}

.theme-dark .show-option-active {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.4);
}

/* Container improvements - MOBILE OPTIMIZED */
.container-glass {
  background: linear-gradient(135deg, var(--container-grad-0) 0%, var(--container-grad-1) 100%);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 24px;
  padding: 20px;
  margin: 12px;
  border: 1px solid var(--glass-border);
  max-width: 100%;
  box-shadow: var(--card-shadow);
}

/* Also define glass-container for admin views */
.glass-container {
  background: linear-gradient(135deg, var(--container-grad-0) 0%, var(--container-grad-1) 100%);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 24px;
  margin: 12px;
  border: 1px solid var(--glass-border);
  max-width: 100%;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.theme-dark .container-glass,
.theme-dark .glass-container {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

/* Show-specific gradient backgrounds */
.show-gradient-spring {
  background: linear-gradient(135deg, #2563eb 0%, #475569 100%) !important;
}

.show-gradient-fall {
  background: linear-gradient(135deg, #475569 0%, #1d4ed8 100%) !important;
}

@media (min-width: 768px) {
  .container-glass {
    padding: 32px;
    margin: 24px auto;
    max-width: 1200px;
  }
}

/* Enhanced shadows */
.shadow-glass {
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.12),
    0 8px 25px rgba(0, 0, 0, 0.08),
    0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Floating elements */
.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Custom scrollbar - Light mode */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* Custom scrollbar - Dark mode */
.theme-dark ::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

.theme-dark ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
}

.theme-dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* Improved text styling */
.text-glass { color: var(--text-primary); }
.text-glass-secondary { color: var(--text-secondary); }

/* Legacy support */
.hairline {
  border-bottom: 0.5px solid var(--glass-border);
}

.dark-bg {
  background: linear-gradient(135deg, var(--dark) 0%, #2C2C2E 100%);
  color: #fff;
}

.separator {
  border-top: 1px solid var(--glass-border);
}

.focus-ring {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.rfid-pulse {
  animation: rfidPulse 1.2s infinite;
}

@keyframes rfidPulse {
  0% { box-shadow: 0 0 0 0 var(--primary); }
  70% { box-shadow: 0 0 0 12px rgba(0, 122, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 122, 255, 0); }
}

/* =========================================
   MOBILE UI FIXES
   ========================================= */

/* Minimum touch target size (44px per Apple HIG) */
.touch-target {
  min-height: 44px;
  min-width: 44px;
}

button, 
a[role="button"],
.tab-btn,
[onclick] {
  min-height: 44px;
  cursor: pointer;
}

/* Mobile-first button sizing */
.brand-bg,
.glass-button {
  min-height: 48px;
  padding: 12px 20px;
}

/* Fix admin tabs overflow on mobile */
.admin-tabs {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  gap: 4px;
  padding: 8px;
}

.admin-tabs::-webkit-scrollbar {
  display: none;
}

.admin-tabs .tab-btn {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 10px 14px;
  font-size: 13px;
  border-radius: 10px;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 640px) {
  .admin-tabs .tab-btn {
    padding: 8px 12px;
    font-size: 12px;
  }
  
  /* Hide icon text on very small screens, keep icons */
  .admin-tabs .tab-btn ion-icon {
    font-size: 18px;
  }
}

/* Compact mobile spacing - iOS optimized */
@media (max-width: 640px) {
  .container-glass {
    padding: 12px;
    margin: 6px;
    border-radius: 16px;
  }
  
  .glass-card {
    padding: 12px;
    border-radius: 12px;
  }
  
  /* Smaller headings on mobile - tighter */
  h1 { font-size: 1.25rem; line-height: 1.25; }
  h2 { font-size: 1.125rem; line-height: 1.3; }
  h3 { font-size: 1rem; line-height: 1.35; }
  
  /* Compact buttons on mobile */
  .brand-bg {
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 10px;
  }
  
  .glass-button {
    padding: 8px 14px;
    font-size: 12px;
    border-radius: 10px;
  }
  
  /* Compact inputs on mobile */
  input, textarea, select {
    padding: 10px 12px;
    border-radius: 10px;
  }
  
  /* Stack buttons on mobile */
  .button-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .button-stack > * {
    width: 100%;
  }
}

/* =========================================
   MOBILE-FIRST TYPOGRAPHY & SPACING
   ========================================= */

/* Cleaner, more refined text */
.text-glass {
  color: var(--text-primary);
  line-height: 1.5;
}

.text-glass-secondary {
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Tighter, cleaner cards */
.glass-card {
  padding: 16px;
}

@media (min-width: 640px) {
  .glass-card {
    padding: 20px;
  }
}

/* Action cards - consistent hover */
.action-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: all 0.2s ease;
}

.action-card:active {
  transform: scale(0.98);
}

/* =========================================
   iOS SAFE AREA & FIXED NAVIGATION
   ========================================= */

/* Safe area insets for notched phones (iPhone X+) */
.safe-area-inset-bottom {
  padding-bottom: max(12px, env(safe-area-inset-bottom));
}

.safe-area-inset-top {
  padding-top: max(12px, env(safe-area-inset-top));
}

/* Fixed header at top */
header.nav-glass {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  /* Include notch area */
  padding-top: max(12px, env(safe-area-inset-top));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: 12px;
}

/* Compact header on mobile */
@media (max-width: 640px) {
  header.nav-glass {
    padding-top: max(8px, env(safe-area-inset-top));
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
    padding-bottom: 8px;
  }
}

/* Fixed tabbar at bottom */
nav.nav-glass {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  /* Include home indicator area */
  padding-top: 10px;
  padding-bottom: env(safe-area-inset-bottom, 0);
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

/* Compact tabbar on mobile */
@media (max-width: 640px) {
  nav.nav-glass {
    padding-top: 6px;
  }
}

/* Main content spacing for fixed elements */
main, .main-content {
  padding-top: calc(64px + env(safe-area-inset-top, 0));
  padding-bottom: calc(76px + env(safe-area-inset-bottom, 0));
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

/* Compact main content on mobile */
@media (max-width: 640px) {
  main, .main-content {
    padding-top: calc(52px + env(safe-area-inset-top, 0));
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0));
  }
}

/* Compact mobile form inputs */
@media (max-width: 640px) {
  input, textarea, select {
    font-size: 16px; /* Prevents iOS zoom */
    padding: 10px 12px;
  }
  
  /* Smaller glass cards on mobile */
  .glass-card {
    padding: 12px;
    border-radius: 14px;
  }
  
  /* Compact buttons */
  .brand-bg {
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 10px;
  }
  
  .glass-button {
    padding: 8px 14px;
    font-size: 12px;
  }
}

/* Improved tap states */
@media (hover: none) {
  .brand-bg:active,
  .glass-button:active {
    transform: scale(0.98);
    opacity: 0.9;
  }
  
  .glass-card:active {
    transform: scale(0.99);
  }
}

/* Bottom tabbar mobile improvements */
.bottom-tabbar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 8px 4px;
  gap: 4px;
}

.bottom-tabbar button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 4px;
  min-height: 56px;
  max-width: 80px;
  border-radius: 12px;
  transition: all 0.2s ease;
  background: transparent;
}

/* Tab item theming */
.tab-item.tab-active {
  background: rgba(59, 130, 246, 0.1);
}

.theme-dark .tab-item.tab-active {
  background: rgba(59, 130, 246, 0.15);
}

.tab-icon {
  color: #64748b; /* slate-500 - visible in light mode */
}

.tab-label {
  color: #64748b;
}

.theme-dark .tab-icon {
  color: #94a3b8; /* slate-400 - visible in dark mode */
}

.theme-dark .tab-label {
  color: #94a3b8;
}

.tab-item:hover .tab-icon,
.tab-item:hover .tab-label {
  color: #475569;
}

.theme-dark .tab-item:hover .tab-icon,
.theme-dark .tab-item:hover .tab-label {
  color: #cbd5e1;
}

/* Mobile tables - horizontal scroll */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -16px;
  padding: 0 16px;
}

@media (max-width: 640px) {
  .table-responsive table {
    min-width: 600px;
  }
  
  .table-responsive th,
  .table-responsive td {
    padding: 10px 8px;
    font-size: 13px;
  }
}

/* Mobile modal fixes */
@media (max-width: 640px) {
  .modal-content {
    width: calc(100% - 32px);
    max-height: calc(100vh - 100px);
    margin: 16px;
    border-radius: 20px;
  }
  
  .modal-content h2 {
    font-size: 1.25rem;
  }
}

/* Grid adjustments for mobile */
@media (max-width: 480px) {
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
}

/* Card grid mobile */
.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Prevent text selection on interactive elements */
button, a, [onclick] {
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Focus visible for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Lazy Loading Images */
.lazy-img {
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.lazy-img[src]:not([src=""]) {
  opacity: 1;
}

.lazy-bg {
  background-size: cover;
  background-position: center;
  transition: background-image 0.3s ease-in-out;
}

.lazy-bg-loaded {
  animation: fadeIn 0.3s ease-in-out;
}

.lazy-img-placeholder {
  background: linear-gradient(90deg, 
    rgba(255,255,255,0.1) 0%, 
    rgba(255,255,255,0.2) 50%, 
    rgba(255,255,255,0.1) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

/* Image error state */
.img-error {
  display: none !important;
}

/* Booth floor plan styles */
.booth-cell {
  border-radius: 4px;
  transition: all 0.15s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.booth-cell:hover:not(.cursor-not-allowed) {
  transform: scale(1.05);
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.booth-cell.selected {
  background-color: rgba(59, 130, 246, 0.6) !important;
  border-color: #3B82F6;
}

/* Booth group hover effect in SVG */
.booth-group:hover .booth-rect {
  filter: brightness(1.2);
  cursor: pointer;
}

/* Category legend scrollable on mobile */
@media (max-width: 640px) {
  .category-legend {
    max-height: 150px;
    overflow-y: auto;
  }
}

/* =========================================
   ENHANCED LIGHT/DARK MODE UTILITIES
   ========================================= */

/* Text that adapts properly to theme */
.text-adaptive {
  color: var(--text-primary);
}

.text-adaptive-secondary {
  color: var(--text-secondary);
}

/* Icon backgrounds that adapt */
.icon-circle {
  background: var(--icon-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-circle ion-icon {
  color: var(--text-primary);
}

/* Badge styling for light mode */
.badge {
  background: var(--badge-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

/* Stat cards with proper contrast */
.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--card-shadow);
}

.stat-card .stat-value {
  color: var(--text-primary);
  font-weight: 700;
}

.stat-card .stat-label {
  color: var(--text-secondary);
}

/* Hero sections with gradients - ensure text visibility */
.hero-gradient {
  position: relative;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 100%);
  border-radius: inherit;
}

.hero-gradient > * {
  position: relative;
  z-index: 1;
}

/* Cards on gradients always have white text */
.gradient-card-text {
  color: #ffffff !important;
}

.gradient-card-text-secondary {
  color: rgba(255, 255, 255, 0.8) !important;
}

/* Quick action cards for light mode */
.action-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: all 0.2s ease;
  box-shadow: var(--card-shadow);
}

.action-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border-color: var(--primary);
}

.theme-dark .action-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* Info boxes */
.info-box {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
}

.theme-dark .info-box {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

.warning-box {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
}

.success-box {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
}

.error-box {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
}

/* =========================================
   UTILITY CLASSES
   ========================================= */

/* Line clamping for text truncation */
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =========================================
   ONBOARDING MOBILE STYLES
   ========================================= */

.onboarding-container {
  /* Full screen on mobile, respect safe areas */
  min-height: 100vh;
  min-height: 100svh;
  padding: 16px;
  padding-top: max(16px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

/* Animation for slide transitions */
.slide-enter {
  animation: slideEnter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideEnter {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Icon bounce animation */
.icon-bounce {
  animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Shimmer placeholder for light mode */
.skeleton-shimmer {
  background: linear-gradient(90deg, 
    rgba(0, 0, 0, 0.06) 0%, 
    rgba(0, 0, 0, 0.1) 50%, 
    rgba(0, 0, 0, 0.06) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.theme-dark .skeleton-shimmer {
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.08) 0%, 
    rgba(255, 255, 255, 0.15) 50%, 
    rgba(255, 255, 255, 0.08) 100%
  );
  background-size: 200% 100%;
}

.lazy-img-placeholder {
  background: linear-gradient(90deg, 
    rgba(0, 0, 0, 0.06) 0%, 
    rgba(0, 0, 0, 0.1) 50%, 
    rgba(0, 0, 0, 0.06) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.theme-dark .lazy-img-placeholder {
  background: linear-gradient(90deg, 
    rgba(255,255,255,0.1) 0%, 
    rgba(255,255,255,0.2) 50%, 
    rgba(255,255,255,0.1) 100%
  );
  background-size: 200% 100%;
}

/* Empty state styling */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.empty-state ion-icon {
  font-size: 48px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Toast notifications */
.toast {
  background: var(--dropdown-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  box-shadow: var(--card-shadow);
}

/* Modal styling */
.modal-backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background: var(--dropdown-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.theme-dark .modal-backdrop {
  background: rgba(0, 0, 0, 0.7);
}

/* Ensure brand-bg text is always white */
.brand-bg,
.brand-bg * {
  color: white;
}

/* Status indicators */
.status-approved {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.theme-dark .status-approved {
  color: #34d399;
}

.status-pending {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.theme-dark .status-pending {
  color: #fbbf24;
}

.status-denied {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.theme-dark .status-denied {
  color: #f87171;
}

/* Booth cell light mode fix */
.booth-cell {
  border-color: var(--glass-border);
}

/* =========================================
   TAILWIND UTILITY LIGHT MODE OVERRIDES
   These override bg-white/XX and border-white/XX
   patterns for proper light mode visibility
   ========================================= */

/* Light mode: Invert white/XX to black/XX for visibility */
.bg-white\/10 {
  background-color: rgba(0, 0, 0, 0.05) !important;
}

.bg-white\/20 {
  background-color: rgba(0, 0, 0, 0.08) !important;
}

.border-white\/10 {
  border-color: rgba(0, 0, 0, 0.1) !important;
}

.border-white\/15 {
  border-color: rgba(0, 0, 0, 0.12) !important;
}

.border-white\/20 {
  border-color: rgba(0, 0, 0, 0.15) !important;
}

/* Dark mode: Keep original white/XX colors */
.theme-dark .bg-white\/10 {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

.theme-dark .bg-white\/20 {
  background-color: rgba(255, 255, 255, 0.2) !important;
}

.theme-dark .border-white\/10 {
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.theme-dark .border-white\/15 {
  border-color: rgba(255, 255, 255, 0.15) !important;
}

.theme-dark .border-white\/20 {
  border-color: rgba(255, 255, 255, 0.2) !important;
}

/* Exception: Elements on gradient backgrounds should keep white */
.bg-gradient-to-r .bg-white\/10,
.bg-gradient-to-br .bg-white\/10,
.bg-gradient-to-r .border-white\/20,
.bg-gradient-to-br .border-white\/20,
[class*="from-"][class*="to-"] .bg-white\/10,
[class*="from-"][class*="to-"] .border-white\/20 {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

/* Hover states */
.hover\:bg-white\/10:hover {
  background-color: rgba(0, 0, 0, 0.06) !important;
}

.theme-dark .hover\:bg-white\/10:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

/* =========================================
   iOS MOBILE APP OPTIMIZATIONS
   ========================================= */

/* Prevent rubber-banding on iOS when over-scrolling */
#app {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Ensure modals work with fixed layout */
#modal-root {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 50;
}

#modal-root > * {
  pointer-events: auto;
}

#toast-root {
  position: fixed;
  top: calc(80px + env(safe-area-inset-top, 0));
  left: 16px;
  right: 16px;
  z-index: 60;
  pointer-events: none;
}

#toast-root > * {
  pointer-events: auto;
}

/* iOS input focus - prevent zoom */
@supports (-webkit-touch-callout: none) {
  input, select, textarea {
    font-size: 16px !important;
  }
  
  input:focus, select:focus, textarea:focus {
    font-size: 16px !important;
  }
}

/* iOS keyboard-aware footer hiding */
@media (max-height: 500px) {
  nav.nav-glass {
    display: none;
  }
  
  main {
    padding-bottom: 16px;
  }
}

/* Better momentum scrolling for scroll containers */
.scroll-container,
.overflow-auto,
.overflow-y-auto,
.overflow-x-auto {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Disable callout on long-press for UI elements */
button, a, .no-callout {
  -webkit-touch-callout: none;
}

/* Make sure tap highlights don't look jarring */
* {
  -webkit-tap-highlight-color: rgba(59, 130, 246, 0.2);
}

/* iOS standalone mode (PWA) specific */
@media all and (display-mode: standalone) {
  /* Hide scrollbar in PWA mode */
  ::-webkit-scrollbar {
    display: none;
  }
  
  body {
    scrollbar-width: none;
  }
}

/* Landscape orientation adjustments for iPhone */
@media (orientation: landscape) and (max-height: 500px) {
  header.nav-glass {
    padding-top: 8px;
    padding-bottom: 8px;
  }
  
  .bottom-tabbar button {
    min-height: 44px;
    padding: 4px 2px;
  }
  
  .bottom-tabbar button span {
    display: none;
  }
}

/* Improve loading states */
.loading-shimmer {
  background: linear-gradient(
    90deg,
    var(--glass-bg) 0%,
    var(--glass-hover-bg) 50%,
    var(--glass-bg) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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