/* Clean Material Design Theme */
:root {
  /* Primary Colors - Can be customized by admin */
  --primary-color: #2196F3;
  --primary-light: #BBDEFB;
  --primary-dark: #1976D2;
  --secondary-color: #FF9800;
  --secondary-light: #FFE0B2;
  --secondary-dark: #F57C00;
  
  /* System Colors */
  --success-color: #4CAF50;
  --warning-color: #FF9800;
  --error-color: #F44336;
  --info-color: #2196F3;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  
  /* Background Colors */
  --bg-primary: #FAFAFA;
  --bg-secondary: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  --bg-header: #FFFFFF;
  
  /* Text Colors */
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-disabled: #BDBDBD;
  --text-on-primary: #FFFFFF;
  
  /* Typography */
  --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  
  /* Layout */
  --sidebar-width: 280px;
  --header-height: 64px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout Structure */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
}

.app-header.with-sidebar {
  left: var(--sidebar-width);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Sidebar */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--gray-200);
  box-shadow: var(--shadow-1);
  z-index: 999;
  overflow-y: auto;
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-nav {
  padding: var(--spacing-lg) 0;
}

.nav-section {
  margin-bottom: var(--spacing-xl);
}

.nav-section-title {
  padding: 0 var(--spacing-lg);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--gray-50);
  color: var(--primary-color);
}

.nav-item.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-left-color: var(--primary-color);
  font-weight: var(--font-weight-medium);
}

.nav-item i {
  margin-right: var(--spacing-md);
  font-size: 20px;
  width: 24px;
  text-align: center;
}

/* Main Content */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  padding: var(--spacing-xl);
  min-height: calc(100vh - var(--header-height));
}

.app-main.no-sidebar {
  margin-left: 0;
}

/* Page Header */
.page-header {
  margin-bottom: var(--spacing-2xl);
}

.page-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--gray-200);
}

.card-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all 0.2s ease;
}

.stat-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-content h3 {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
}

.stat-content p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.875rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: none;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--text-on-primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-2);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--text-on-primary);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  box-shadow: var(--shadow-2);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-on-primary);
}

.btn-success {
  background: var(--success-color);
  color: var(--text-on-primary);
}

.btn-warning {
  background: var(--warning-color);
  color: var(--text-on-primary);
}

.btn-error {
  background: var(--error-color);
  color: var(--text-on-primary);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 1rem;
}

/* Tables */
.table-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.table th {
  background: var(--gray-50);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.table tr:hover {
  background: var(--gray-50);
}

.table tr:last-child td {
  border-bottom: none;
}

/* Status Badges */
.badge {
  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: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(255, 152, 0, 0.1);
  color: var(--warning-color);
}

.badge-error {
  background: rgba(244, 67, 54, 0.1);
  color: var(--error-color);
}

.badge-info {
  background: rgba(33, 150, 243, 0.1);
  color: var(--info-color);
}

.badge-secondary {
  background: var(--gray-100);
  color: var(--text-secondary);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-menu-trigger:hover {
  background: var(--gray-100);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--text-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
}

.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 200px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  border: 1px solid var(--gray-200);
  padding: var(--spacing-sm);
  display: none;
  z-index: 1001;
}

.user-menu-dropdown.show {
  display: block;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.user-menu-item:hover {
  background: var(--gray-50);
}

.user-menu-divider {
  height: 1px;
  background: var(--gray-200);
  margin: var(--spacing-sm) 0;
}

/* Action Menu */
.action-menu {
  position: relative;
  display: inline-block;
}

.action-menu-trigger {
  padding: var(--spacing-sm);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-menu-trigger:hover {
  background: var(--gray-100);
}

.action-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 150px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  border: 1px solid var(--gray-200);
  padding: var(--spacing-sm);
  display: none;
  z-index: 1000;
}

.action-menu-dropdown.show {
  display: block;
}

.action-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  border: none;
  background: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-size: 0.875rem;
}

.action-menu-item:hover {
  background: var(--gray-50);
}

.action-menu-item.danger {
  color: var(--error-color);
}

.action-menu-item.danger:hover {
  background: rgba(244, 67, 54, 0.1);
}

/* Modal */
.modal {
  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: 2000;
  padding: var(--spacing-lg);
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  padding: var(--spacing-sm);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

/* Notifications */
.notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  max-width: 400px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  z-index: 2001;
  animation: slideIn 0.3s ease;
}

.notification.success {
  border-left-color: var(--success-color);
}

.notification.error {
  border-left-color: var(--error-color);
}

.notification.warning {
  border-left-color: var(--warning-color);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.pricing-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  transition: all 0.2s ease;
}

.pricing-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border: 2px solid var(--primary-color);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--text-on-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.pricing-price {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.pricing-features i {
  color: var(--success-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .app-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .app-sidebar.open {
    transform: translateX(0);
  }
  
  .app-main {
    margin-left: 0;
  }
  
  .app-header {
    left: 0;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .modal {
    padding: var(--spacing-md);
  }
  
  .modal-footer {
    flex-direction: column;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.hidden { display: none; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }
/* Addit
ional Utility Classes */
.space-y-4 > * + * { margin-top: var(--spacing-md); }
.w-3 { width: 12px; }
.h-3 { height: 12px; }
.rounded-full { border-radius: 50%; }
.bg-success { background-color: var(--success-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-error { background-color: var(--error-color); }
.font-medium { font-weight: var(--font-weight-medium); }
.text-sm { font-size: 0.875rem; }

/* Mobile Sidebar Toggle */
@media (max-width: 768px) {
  #sidebarToggle {
    display: block;
  }
  
  .app-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .app-sidebar.open {
    transform: translateX(0);
  }
  
  .app-main {
    margin-left: 0;
  }
  
  .app-header.with-sidebar {
    left: 0;
  }
}

@media (min-width: 769px) {
  #sidebarToggle {
    display: none;
  }
}

/* Fix for grid layouts on mobile */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  /* Make admin forms stack on mobile */
  .card form > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  
  /* Stack table actions on mobile */
  .table-container {
    overflow-x: auto;
  }
  
  .table {
    min-width: 600px;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Focus States */
.btn:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Hover States */
.nav-item:hover,
.user-menu-item:hover,
.action-menu-item:hover {
  transform: translateX(2px);
}

/* Smooth Transitions */
* {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

/* Print Styles */
@media print {
  .app-sidebar,
  .app-header,
  .btn,
  .action-menu {
    display: none !important;
  }
  
  .app-main {
    margin: 0 !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}
/* Auth 
Pages Responsive */
@media (max-width: 768px) {
  /* Auth forms stack on mobile */
  .auth-page .card {
    margin: var(--spacing-md);
    padding: var(--spacing-lg) !important;
  }
  
  .auth-page .card form > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  
  /* Hero section responsive */
  section[style*="grid-template-columns: 1fr 1fr"] {
    display: block !important;
  }
  
  section[style*="grid-template-columns: 1fr 1fr"] > div {
    display: block !important;
    text-align: center !important;
  }
  
  /* Features grid responsive */
  section div[style*="grid-template-columns: repeat(auto-fit, minmax(350px, 1fr))"] {
    grid-template-columns: 1fr !important;
  }
}

/* Notification improvements */
.notification {
  position: fixed;
  top: calc(var(--header-height) + var(--spacing-md));
  right: var(--spacing-md);
  max-width: 400px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  z-index: 2001;
  animation: slideInRight 0.3s ease;
  transition: all 0.3s ease;
}

.notification.success {
  border-left-color: var(--success-color);
}

.notification.error {
  border-left-color: var(--error-color);
}

.notification.warning {
  border-left-color: var(--warning-color);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Plan selection improvements */
.plan-selection-item {
  transition: all 0.2s ease;
}

.plan-selection-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.plan-selection-item.selected {
  border-color: var(--primary-color) !important;
  background: var(--primary-light) !important;
}

/* Table improvements */
.table th {
  position: sticky;
  top: 0;
  background: var(--gray-50);
  z-index: 10;
}

.table tbody tr:hover {
  background: var(--gray-50);
  transform: translateX(2px);
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-right: var(--spacing-sm);
}

/* Form improvements */
.form-input:invalid {
  border-color: var(--error-color);
}

.form-input:valid {
  border-color: var(--success-color);
}

/* Button loading state */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-right: var(--spacing-sm);
}

/* Accessibility improvements */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --gray-200: #000000;
    --gray-300: #000000;
    --text-secondary: #000000;
  }
  
  .card {
    border: 2px solid var(--gray-800);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --gray-50: #2d2d2d;
    --gray-100: #3a3a3a;
    --gray-200: #4a4a4a;
  }
}