.demo-thumbnail > .file-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.demo-thumbnail > .file-preview.is-playing { opacity: 1; }
.previews-toggle {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 32px;
  padding: 5px 10px;
  border: 0;
  border-radius: 20px;
  color: #706979;
  background: transparent;
  font: 10px/1.4 var(--font-sans);
  white-space: nowrap;
  cursor: pointer;
  pointer-events: auto;
}
.previews-toggle svg { width: 12px; height: 12px; }
.previews-toggle:hover { color: #40324f; background: #ffffff90; }
.previews-toggle:focus-visible { outline: 2px solid #765de2; outline-offset: 3px; }
.previews-toggle[hidden] { display: none; }
@media (max-width: 900px) {
  .previews-toggle { top: calc(100% - 3px); min-height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .demo-thumbnail > .file-preview { display: none; transition: none; }
  .previews-toggle { display: none; }
}