.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift), inset 0 1px 0 var(--glass-rim);
}

/* Mandatory fallbacks: without them, text sits on a see-through panel. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--glass-solid); }
}
@media (prefers-reduced-transparency: reduce) {
  .glass {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--glass-solid);
  }
}