UI-паттерны из Uiverse (Galaxy) — Skeleton (карточка)

<div class="card">
  <div class="card__skeleton card__title"></div>
  <div class="card__skeleton card__description"></div>
</div>
<style>
.card {
  width: 18rem;
  padding: 1rem;
  border-radius: 0.8rem;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.card__skeleton {
  border-radius: 6px;
  background: linear-gradient(90deg, #e9ecef 0, #f8f9fa 45%, #e9ecef 90%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
.card__title { height: 14px; margin-bottom: 12px; width: 75%; }
.card__description { height: 80px; }
@keyframes shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  .card__skeleton { animation: none; background: #e9ecef; }
}
</style>