/* Glassmorphism Effects */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  opacity: 0;
  transition: var(--transition-normal);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

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

/* Glass Button */
.glass-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-normal);
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.glass-btn:hover::before {
  left: 100%;
}

/* Glass Input */
.glass-input {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-normal);
  width: 100%;
}

.glass-input:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.glass-input::placeholder {
  color: var(--text-muted);
}

/* Glass Navigation */
.glass-nav {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

/* Glass Modal */
.glass-modal {
  background: var(--glass-bg);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
  max-width: 90vw;
  max-height: 90vh;
}

.glass-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* Glass Sidebar */
.glass-sidebar {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-right: 1px solid var(--glass-border);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}

/* Glass Code Block */
.glass-code {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  overflow-x: auto;
  position: relative;
}

.glass-code::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

/* Glass Search */
.glass-search {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-normal);
  width: 100%;
  max-width: 400px;
}

.glass-search:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Glass Badge */
.glass-badge {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Glass Progress Bar */
.glass-progress {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  height: 8px;
  overflow: hidden;
  position: relative;
}

.glass-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  border-radius: inherit;
  transition: width var(--transition-normal);
  position: relative;
}

.glass-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Glass Tooltip */
.glass-tooltip {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: absolute;
  z-index: 1000;
  white-space: nowrap;
}

/* Glass Dropdown */
.glass-dropdown {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  position: absolute;
  z-index: 1000;
  min-width: 200px;
}

.glass-dropdown-item {
  padding: var(--spacing-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.glass-dropdown-item:last-child {
  border-bottom: none;
}

/* Frosted Glass Effect for specific elements */
.frosted-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Glass reflection effect */
.glass-reflection {
  position: relative;
  overflow: hidden;
}

.glass-reflection::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: var(--transition-slow);
}

.glass-reflection:hover::after {
  left: 100%;
}

/* Responsive adjustments for glass effects */
@media (max-width: 768px) {
  .glass-card {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
  }
  
  .glass-modal {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
}

/* Fallback for browsers that don't support backdrop-filter */
@supports not (backdrop-filter: blur(20px)) {
  .glass-card,
  .glass-btn,
  .glass-input,
  .glass-nav,
  .glass-modal,
  .glass-sidebar {
    background: rgba(30, 41, 59, 0.9);
  }
}

/* Performance optimization for glass effects */
.glass-card,
.glass-btn,
.glass-modal {
  will-change: transform, background;
}

/* Smooth transitions for glass effects */
.glass-card:hover,
.glass-btn:hover {
  transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}