/* Source: https://transitions.dev — skeleton-reveal; installed with transitions-dev CLI. */
:root {
  --pulse-dur: 1000ms;
  --pulse-count: 1;
  --pulse-min: 0.5;
  --reveal-dur: 400ms;
  --reveal-blur: 2px;
  --reveal-ease: ease-in-out;
}

/* The wrap stacks two layers on the same coordinates. The
   skeleton owns the cold pulse + the fade-out side of the
   reveal; the content owns the fade-in side. They share the
   same duration / ease so the swap reads as one motion. */
.t-skel {
  position: relative;
}
.t-skel-skeleton,
.t-skel-content {
  position: absolute;
  inset: 0;
}

.t-skel-skeleton {
  z-index: 1;
  opacity: 1;
  filter: blur(0);
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    filter var(--reveal-dur) var(--reveal-ease);
}
.t-skel-content {
  z-index: 2;
  opacity: 0;
  filter: blur(var(--reveal-blur));
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    filter var(--reveal-dur) var(--reveal-ease);
}
.t-skel.is-revealed .t-skel-skeleton {
  opacity: 0;
  filter: blur(var(--reveal-blur));
}
.t-skel.is-revealed .t-skel-content {
  opacity: 1;
  filter: blur(0);
}
/* Snap-back when replaying: kill transitions so the reverse
   (revealed → skeleton) is instant. Drop `.is-resetting`
   after a forced reflow and the next reveal animates again. */
.t-skel.is-resetting .t-skel-skeleton,
.t-skel.is-resetting .t-skel-content {
  transition: none !important;
}

/* Pulse: place the animation on the bar/avatar children, not
   on the skeleton itself, so the skeleton's opacity / filter
   stay free for the cross-fade transition above. */
.t-skel-skeleton.is-pulsing > * {
  animation: t-skel-pulse var(--pulse-dur) ease-in-out var(--pulse-count);
}
@keyframes t-skel-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: var(--pulse-min);
  }
}

@media (prefers-reduced-motion: reduce) {
  .t-skel-skeleton,
  .t-skel-content {
    transition: none !important;
  }
  .t-skel-skeleton.is-pulsing > * {
    animation: none !important;
  }
}
