/* ====================================================================
   VRdash - Modern Glassmorphism & Liquid Glass Effects CSS
   Enhanced with animations and modern UI patterns
   ==================================================================== */

/* === Enhanced CSS Variables === */
:root {
  /* Glassmorphism variables */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-bg-secondary: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  --glass-shadow-hover: 0 12px 40px rgba(31, 38, 135, 0.25);
  --glass-blur: blur(12px);
  --glass-blur-strong: blur(20px);
  
  /* Liquid glass variables */
  --liquid-gradient-1: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
  --liquid-gradient-2: linear-gradient(45deg, rgba(72, 127, 255, 0.1) 0%, rgba(130, 82, 233, 0.1) 100%);
  --liquid-gradient-3: linear-gradient(225deg, rgba(255, 159, 41, 0.1) 0%, rgba(239, 71, 112, 0.1) 100%);
  
  /* Enhanced animations */
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-fast: all 0.2s ease-in-out;
  
  /* Modern spacing and sizing */
  --spacing-micro: 0.125rem;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Modern radius values */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
}

[data-theme="dark"] {
  --glass-bg: rgba(0, 0, 0, 0.2);
  --glass-bg-secondary: rgba(0, 0, 0, 0.15);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
  
  --liquid-gradient-1: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  --liquid-gradient-2: linear-gradient(45deg, rgba(72, 127, 255, 0.15) 0%, rgba(130, 82, 233, 0.15) 100%);
  --liquid-gradient-3: linear-gradient(225deg, rgba(255, 159, 41, 0.15) 0%, rgba(239, 71, 112, 0.15) 100%);
}

/* === Enhanced Body and Base Styles === */
body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 226, 0.3) 0%, transparent 50%);
  z-index: -2;
  animation: backgroundShift 20s ease-in-out infinite;
}

[data-theme="dark"] body {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

[data-theme="dark"] body::before {
  background: 
    radial-gradient(circle at 20% 80%, rgba(72, 127, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(130, 82, 233, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255, 159, 41, 0.1) 0%, transparent 50%);
}

@keyframes backgroundShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* === Enhanced Sidebar with Glassmorphism === */
.sidebar {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border-right: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
  transition: var(--transition-smooth) !important;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--liquid-gradient-1);
  border-radius: inherit;
  z-index: -1;
}

.sidebar:hover {
  box-shadow: var(--glass-shadow-hover) !important;
  transform: translateX(2px);
}

/* === Enhanced Sidebar Menu Items === */
.sidebar-menu li a {
  background: transparent !important;
  transition: var(--transition-smooth) !important;
  border-radius: var(--radius-md) !important;
  margin: var(--spacing-xs) var(--spacing-sm) !important;
  position: relative !important;
  overflow: hidden !important;
}

.sidebar-menu li a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--liquid-gradient-2);
  transition: var(--transition-smooth);
  z-index: -1;
}

.sidebar-menu li a:hover {
  background: var(--glass-bg-secondary) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  transform: translateX(8px) scale(1.02) !important;
  box-shadow: 0 4px 16px rgba(72, 127, 255, 0.2) !important;
}

.sidebar-menu li a:hover::before {
  left: 0;
}

.sidebar-menu li.active > a {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* === Enhanced Cards with Liquid Glass Effects === */
.card {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--glass-shadow) !important;
  transition: var(--transition-smooth) !important;
  position: relative !important;
  overflow: hidden !important;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--liquid-gradient-1);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-4px) scale(1.02) !important;
  box-shadow: var(--glass-shadow-hover) !important;
  border-color: rgba(72, 127, 255, 0.3) !important;
}

.card:hover::before {
  opacity: 1;
}

/* === Enhanced Buttons with Modern Animations === */
.btn {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  transition: var(--transition-bounce) !important;
  position: relative !important;
  overflow: hidden !important;
  font-weight: 500 !important;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: var(--transition-smooth);
  z-index: -1;
}

.btn:hover {
  transform: translateY(-2px) scale(1.05) !important;
  box-shadow: var(--glass-shadow-hover) !important;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:active {
  transform: translateY(0) scale(0.98) !important;
}

/* === Primary Button Enhancements === */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%) !important;
  border: none !important;
  color: white !important;
  box-shadow: 0 4px 16px rgba(72, 127, 255, 0.3) !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%) !important;
  box-shadow: 0 8px 24px rgba(72, 127, 255, 0.4) !important;
}

/* === Enhanced Navigation Bar === */
.navbar {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border-bottom: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
  transition: var(--transition-smooth) !important;
}

.navbar.scrolled {
  background: var(--glass-bg-secondary) !important;
  backdrop-filter: var(--glass-blur-strong) !important;
  -webkit-backdrop-filter: var(--glass-blur-strong) !important;
}

/* === Enhanced Form Elements === */
.form-control {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  transition: var(--transition-smooth) !important;
  color: var(--text-primary-light) !important;
}

.form-control:focus {
  background: var(--glass-bg-secondary) !important;
  border-color: var(--primary-500) !important;
  box-shadow: 0 0 0 3px rgba(72, 127, 255, 0.1) !important;
  transform: scale(1.02) !important;
}

.form-control::placeholder {
  color: var(--text-secondary-light) !important;
  opacity: 0.7 !important;
}

/* === Enhanced Dropdowns === */
.dropdown-menu {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--glass-shadow-hover) !important;
  padding: var(--spacing-sm) !important;
}

.dropdown-item {
  border-radius: var(--radius-md) !important;
  transition: var(--transition-smooth) !important;
  margin: var(--spacing-xs) 0 !important;
}

.dropdown-item:hover {
  background: var(--glass-bg-secondary) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  transform: translateX(4px) !important;
}

/* === Enhanced Tables === */
.table {
  background: transparent !important;
}

.table thead th {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: none !important;
  color: var(--text-primary-light) !important;
  font-weight: 600 !important;
  padding: var(--spacing-lg) !important;
}

.table tbody tr {
  transition: var(--transition-smooth) !important;
}

.table tbody tr:hover {
  background: var(--glass-bg-secondary) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  transform: scale(1.01) !important;
}

.table tbody td {
  border-color: var(--glass-border) !important;
  padding: var(--spacing-lg) !important;
  vertical-align: middle !important;
}

/* === Enhanced Modals === */
.modal-content {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur-strong) !important;
  -webkit-backdrop-filter: var(--glass-blur-strong) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-2xl) !important;
  box-shadow: var(--glass-shadow-hover) !important;
  animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-backdrop {
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
}

/* === Enhanced Alerts === */
.alert {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xl) !important;
  position: relative !important;
  overflow: hidden !important;
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: currentColor;
  opacity: 0.6;
}

/* === Floating Action Buttons === */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-bounce) !important;
  z-index: 1000;
}

.fab:hover {
  transform: scale(1.1) rotate(180deg) !important;
  box-shadow: var(--glass-shadow-hover) !important;
}

/* === Enhanced Badges === */
.badge {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 500 !important;
  padding: var(--spacing-xs) var(--spacing-sm) !important;
  transition: var(--transition-smooth) !important;
}

.badge:hover {
  transform: scale(1.05) !important;
}

/* === Enhanced Progress Bars === */
.progress {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-full) !important;
  overflow: hidden !important;
  height: 12px !important;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-500) 0%, var(--primary-700) 100%) !important;
  border-radius: var(--radius-full) !important;
  position: relative !important;
  overflow: hidden !important;
}

.progress-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  animation: progressShine 2s infinite;
}

@keyframes progressShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* === Enhanced Tooltips === */
.tooltip .tooltip-inner {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary-light) !important;
  font-weight: 500 !important;
  padding: var(--spacing-sm) var(--spacing-md) !important;
}

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

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

/* === Pulse Animation for Interactive Elements === */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* === Glow Effects === */
.glow {
  box-shadow: 0 0 20px rgba(72, 127, 255, 0.3) !important;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from { box-shadow: 0 0 20px rgba(72, 127, 255, 0.3); }
  to { box-shadow: 0 0 30px rgba(72, 127, 255, 0.5); }
}

/* === Enhanced List Groups === */
.list-group-item {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  margin-bottom: var(--spacing-xs) !important;
  transition: var(--transition-smooth) !important;
}

.list-group-item:hover {
  transform: translateX(8px) scale(1.02) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* === Custom Scrollbar with Glassmorphism === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--glass-bg);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-full);
  transition: var(--transition-smooth);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-500);
}

/* === Responsive Enhancements === */
@media (max-width: 768px) {
  .card {
    border-radius: var(--radius-lg) !important;
  }
  
  .sidebar {
    backdrop-filter: var(--glass-blur-strong) !important;
    -webkit-backdrop-filter: var(--glass-blur-strong) !important;
  }
  
  .fab {
    bottom: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
  }
}

/* === Special Effect Classes === */
.glass-effect {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--glass-shadow) !important;
}

.liquid-gradient {
  background: var(--liquid-gradient-2) !important;
}

.modern-hover:hover {
  transform: translateY(-4px) scale(1.02) !important;
  box-shadow: var(--glass-shadow-hover) !important;
  transition: var(--transition-smooth) !important;
}

/* === Loading Animations === */
.loading-shimmer {
  background: linear-gradient(90deg, 
    var(--glass-bg) 25%, 
    var(--glass-bg-secondary) 50%, 
    var(--glass-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

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

/* === Text Effects === */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

/* === Interactive Elements === */
.interactive {
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
}

.interactive:hover {
  transform: scale(1.05);
}

.interactive:active {
  transform: scale(0.95);
}

/* === Grid and Layout Enhancements === */
.modern-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.modern-flex {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
}

/* === Enhanced Typography === */
.modern-title {
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-lg);
}

.modern-subtitle {
  font-weight: 500;
  color: var(--text-secondary-light);
  opacity: 0.8;
  margin-bottom: var(--spacing-md);
}