.wt-watch-later-button.is-saved {
  border-color: rgba(250, 204, 21, .55);
  background: rgba(250, 204, 21, .12);
  color: #facc15;
}

.wt-watch-later-button.has-error {
  animation: wt-watch-later-error .35s ease;
}

.watch-later-card__badge {
  background: rgba(15, 23, 42, .9);
  color: #facc15;
}

@keyframes wt-watch-later-error {
  0%, 100% { transform: translateX(0); }
  35% { transform: translateX(-4px); }
  70% { transform: translateX(4px); }
}