/**
 * Edge Design Agency - Glassmorphic Design System
 * Unified CSS variables and components for consistent UI
 * Version: 2.0.0
 */

/* ============================================
   CSS VARIABLES - Design Tokens
   ============================================ */
:root {
  /* Primary Colors */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-rgb: 99, 102, 241;
  
  /* Semantic Colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Dark Theme (Default) */
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-hover: rgba(51, 65, 85, 0.8);
  --bg-glass: rgba(15, 23, 42, 0.6);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border: rgba(148, 163, 184, 0.2);
  --border-light: rgba(148, 163, 184, 0.1);
  --border-highlight: rgba(99, 102, 241, 0.3);
  
  /* Glassmorphic Effects */
  --glass-bg: rgba(30, 41, 59, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-highlight: rgba(255, 255, 255, 0.05);
  --blur-amount: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Z-index scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
  --z-toast: 500;
}

/* ============================================
   LIGHT THEME
   ============================================ */
body.light-theme {
  --bg-dark: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-hover: rgba(226, 232, 240, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.7);
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --border: rgba(148, 163, 184, 0.3);
  --border-light: rgba(148, 163, 184, 0.15);
  --border-highlight: rgba(99, 102, 241, 0.2);
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-highlight: rgba(255, 255, 255, 0.3);
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Selection */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: var(--text-primary);
}

/* ============================================
   GLASSMORPHIC COMPONENTS
   ============================================ */

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass), var(--shadow-glow);
  border-color: var(--border-highlight);
}

/* Glass Panel */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

/* Glass Header */
.glass-header {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.4);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.5);
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card);
  border-color: var(--border-highlight);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #16a34a 100%);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-icon {
  padding: 10px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-base);
  min-height: 44px;
}

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

.nav-link.active {
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary-light);
}

.nav-link i {
  font-size: 16px;
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: var(--space-sm);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* Mobile Sidebar */
.mobile-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border-right: 1px solid var(--glass-border);
  z-index: var(--z-modal);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-sidebar.active {
  transform: translateX(0);
}

.mobile-sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--glass-border);
}

.mobile-sidebar-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.mobile-sidebar-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--space-lg);
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1600px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================
   BADGES & STATUS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info);
}

.badge-primary {
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary-light);
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.data-table th {
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-glass);
  white-space: nowrap;
}

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

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

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 20px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid var(--border);
}

/* ============================================
   NOTIFICATIONS
   ============================================ */
.notification {
  position: fixed;
  top: 80px;
  right: 20px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  color: white;
  font-size: 14px;
  z-index: var(--z-toast);
  animation: slideInRight 0.3s ease;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.notification.success {
  background: linear-gradient(135deg, var(--success), #16a34a);
}

.notification.error {
  background: linear-gradient(135deg, var(--danger), #dc2626);
}

.notification.warning {
  background: linear-gradient(135deg, var(--warning), #d97706);
}

.notification.info {
  background: linear-gradient(135deg, var(--info), #2563eb);
}

/* ============================================
   STATS CARDS
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-highlight);
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================
   ANIMATED BACKGROUND ELEMENTS
   ============================================ */

/* Animated Gradient Background */
.animated-gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: linear-gradient(-45deg, 
    #0f172a 0%, 
    #1e1b4b 25%, 
    #312e81 50%, 
    #1e1b4b 75%, 
    #0f172a 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Floating Orbs */
.floating-orbs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s infinite ease-in-out;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, rgba(99, 102, 241, 0) 70%);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(139, 92, 246, 0) 70%);
  top: 60%;
  right: -5%;
  animation-delay: -5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.35) 0%, rgba(59, 130, 246, 0) 70%);
  bottom: -10%;
  left: 30%;
  animation-delay: -10s;
}

.orb-4 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, rgba(168, 85, 247, 0) 70%);
  top: 30%;
  left: 60%;
  animation-delay: -15s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(50px, -30px) scale(1.1);
  }
  50% {
    transform: translate(-30px, 50px) scale(0.95);
  }
  75% {
    transform: translate(-50px, -20px) scale(1.05);
  }
}

/* Particle Effect */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: particleFloat 30s infinite linear;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 25s; }
.particle:nth-child(2) { left: 20%; animation-delay: -2s; animation-duration: 35s; }
.particle:nth-child(3) { left: 30%; animation-delay: -4s; animation-duration: 28s; }
.particle:nth-child(4) { left: 40%; animation-delay: -6s; animation-duration: 32s; }
.particle:nth-child(5) { left: 50%; animation-delay: -8s; animation-duration: 26s; }
.particle:nth-child(6) { left: 60%; animation-delay: -10s; animation-duration: 38s; }
.particle:nth-child(7) { left: 70%; animation-delay: -12s; animation-duration: 24s; }
.particle:nth-child(8) { left: 80%; animation-delay: -14s; animation-duration: 30s; }
.particle:nth-child(9) { left: 90%; animation-delay: -16s; animation-duration: 27s; }
.particle:nth-child(10) { left: 5%; animation-delay: -18s; animation-duration: 33s; }
.particle:nth-child(11) { left: 15%; animation-delay: -20s; animation-duration: 29s; }
.particle:nth-child(12) { left: 25%; animation-delay: -22s; animation-duration: 31s; }
.particle:nth-child(13) { left: 35%; animation-delay: -24s; animation-duration: 25s; }
.particle:nth-child(14) { left: 45%; animation-delay: -26s; animation-duration: 36s; }
.particle:nth-child(15) { left: 55%; animation-delay: -28s; animation-duration: 28s; }

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(1.5);
    opacity: 0;
  }
}

/* Mesh Gradient Overlay */
.mesh-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: 
    radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(139, 92, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(168, 85, 247, 0.08) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(99, 102, 241, 0.12) 0px, transparent 50%);
  animation: meshMove 20s ease infinite;
}

@keyframes meshMove {
  0%, 100% {
    background-position: 
      40% 20%, 
      80% 0%, 
      0% 50%, 
      80% 50%, 
      0% 100%;
  }
  50% {
    background-position: 
      60% 30%, 
      70% 10%, 
      10% 60%, 
      70% 40%, 
      10% 90%;
  }
}

/* Light Theme Adjustments */
body.light-theme .animated-gradient-bg {
  background: linear-gradient(-45deg, 
    #f1f5f9 0%, 
    #e0e7ff 25%, 
    #ede9fe 50%, 
    #dbeafe 75%, 
    #f1f5f9 100%
  );
  background-size: 400% 400%;
}

body.light-theme .orb {
  opacity: 0.3;
}

body.light-theme .particle {
  background: rgba(99, 102, 241, 0.2);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

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

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

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--text-primary); }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
  .container {
    max-width: 1600px;
  }
}

/* Desktop (1024px - 1439px) */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .container {
    max-width: 100%;
  }
}

/* Tablet (768px - 1024px) */
@media (max-width: 768px) {
  :root {
    --space-lg: 16px;
    --space-xl: 24px;
  }
  
  .container {
    padding: var(--space-md);
    max-width: 100%;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: var(--space-md);
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    padding: 14px 16px;
    min-height: 44px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .data-table {
    font-size: 13px;
  }
  
  .data-table th,
  .data-table td {
    padding: 12px;
  }
  
  .btn {
    padding: 12px 20px;
    font-size: 14px;
    min-height: 44px;
  }
  
  .btn-icon {
    min-width: 44px;
    min-height: 44px;
  }
  
  .modal {
    margin: var(--space-md);
    max-height: calc(100vh - var(--space-lg));
  }
  
  .notification {
    left: var(--space-md);
    right: var(--space-md);
    max-width: none;
  }
}

/* Mobile Landscape (576px - 768px) */
@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .card-title {
    font-size: 16px;
  }
  
  .stat-value {
    font-size: 28px;
  }
  
  .container {
    padding: var(--space-sm);
  }
  
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .data-table {
    min-width: 600px;
  }
}

/* Mobile (575px and below) */
@media (max-width: 575px) {
  .grid-auto {
    grid-template-columns: 1fr;
  }
  
  .btn {
    width: 100%;
    margin-bottom: var(--space-sm);
  }
  
  .modal {
    margin: 0;
    border-radius: 0;
    height: 100vh;
    max-height: 100vh;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --border: rgba(148, 163, 184, 0.5);
    --glass-border: rgba(255, 255, 255, 0.3);
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ============================================
   ANIMATED BACKGROUND ELEMENTS
   ============================================ */

/* Animated Gradient Background */
.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1e1b4b 50%, var(--bg-dark) 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  z-index: -3;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Floating Orbs */
.floating-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
  z-index: -2;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  right: -100px;
  animation: float1 20s ease-in-out infinite;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: var(--info);
  bottom: -50px;
  left: -50px;
  animation: float2 25s ease-in-out infinite;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: var(--success);
  top: 50%;
  left: 20%;
  animation: float3 18s ease-in-out infinite;
}

.orb-4 {
  width: 350px;
  height: 350px;
  background: var(--warning);
  bottom: 20%;
  right: 10%;
  animation: float4 22s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, 30px) scale(1.1); }
  50% { transform: translate(30px, 60px) scale(0.9); }
  75% { transform: translate(-20px, 40px) scale(1.05); }
}

@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.15); }
  66% { transform: translate(-30px, 20px) scale(0.95); }
}

@keyframes float3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, -40px) scale(1.1); }
}

@keyframes float4 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -50px) scale(0.9); }
  75% { transform: translate(-40px, 30px) scale(1.1); }
}

/* Animated Particles */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.animated-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) rotate(720deg);
    opacity: 0;
  }
}

/* Mesh Gradient Overlay */
.mesh-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(34, 197, 94, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(245, 158, 11, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(99, 102, 241, 0.15) 0px, transparent 50%);
  z-index: -2;
  animation: meshShift 20s ease-in-out infinite;
}

@keyframes meshShift {
  0%, 100% {
    opacity: 0.8;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

/* Make auth screen transparent to show animations */
.auth-screen {
  background: transparent !important;
}

/* ============================================
   FORM VALIDATION STYLES
   ============================================ */

/* Form group with error state */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

.form-group.error input:focus,
.form-group.error select:focus,
.form-group.error textarea:focus {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

/* Error message styling */
.error-message {
  display: block;
  font-size: 12px;
  color: var(--danger);
  margin-top: 6px;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form group label with required indicator */
.form-group label {
  position: relative;
}

.form-group label[data-required]::after,
.form-group:has(input[required]) label::after,
.form-group:has(select[required]) label::after {
  content: ' *';
  color: var(--danger);
}

/* Input validation states */
input.valid,
select.valid,
textarea.valid {
  border-color: var(--success) !important;
}

input.invalid,
select.invalid,
textarea.invalid {
  border-color: var(--danger) !important;
}

/* Loading button state */
.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.btn .fa-spinner {
  margin-right: 8px;
}

/* Notifications dropdown */
.notifications-dropdown {
  position: absolute;
  top: 60px;
  right: 20px;
  width: 360px;
  max-height: 500px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  z-index: 1000;
  overflow: hidden;
  animation: slideInDropdown 0.2s ease;
}

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

.notifications-dropdown-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notifications-dropdown-header h4 {
  font-size: 16px;
  font-weight: 600;
}

.notifications-dropdown-list {
  max-height: 380px;
  overflow-y: auto;
}

.notifications-dropdown-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

/* Card loading overlay */
.card-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: inherit;
  backdrop-filter: blur(2px);
}

/* Global loading overlay */
#global-loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

#global-loading-overlay i {
  color: var(--primary);
  font-size: 48px;
}

#global-loading-overlay p {
  color: white;
  font-size: 16px;
  margin-top: 16px;
}