/* The easter egg tier's name (`TierName`): its pastels through the letters,
   slowly shimmering across */
.achievement-egg-text {
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: achievement-egg-shimmer 6s linear infinite;
}
@keyframes achievement-egg-shimmer {
  to { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .achievement-egg-text {
    animation: none;
  }
}

/* Just earned (`Card`): lit up as the page opens on it, a pulse of its glow,
   then ringed while it's new */
.achievement-new {
  border-color: var(--color-success);
  box-shadow: 0 0 0 1px var(--color-success);
  animation: achievement-new 1.6s ease-out 0.4s 2;
}
@keyframes achievement-new {
  0% { box-shadow: 0 0 0 1px var(--color-success), 0 0 0 0 color-mix(in oklab, var(--color-success) 55%, transparent); }
  60% { box-shadow: 0 0 0 1px var(--color-success), 0 0 0 10px color-mix(in oklab, var(--color-success) 0%, transparent); }
  100% { box-shadow: 0 0 0 1px var(--color-success), 0 0 0 0 transparent; }
}
@media (prefers-reduced-motion: reduce) {
  .achievement-new {
    animation: none;
  }
}