:root[data-theme="abyss"] .ab-manta { opacity: 0; animation: ab-manta-in 2.4s var(--ab-slow) 0.2s forwards; }
@keyframes ab-manta-in { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  :root[data-theme="abyss"] .ab-manta { animation: none; opacity: 1; }
}