.glass-panel {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-soft);
}

.glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.glass-header {
  background: transparent;
  transition: background var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

/* Dark mode glass variations */
.glass-dark {
  background: rgba(15, 20, 25, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}