/*
 * Styles for <lite-youtube>. The element draws the thumbnail as a background
 * image and a play-button overlay, then swaps in an <iframe> on click.
 */
lite-youtube {
  background-color: #000;
  position: relative;
  display: block;
  contain: content;
  background-position: center center;
  background-size: cover;
  cursor: pointer;
  aspect-ratio: 16 / 9;
  width: 100%;
}

lite-youtube > iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  border: 0;
}

lite-youtube > .lyt-playbtn {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  cursor: pointer;
  z-index: 1;
  border: 0;
  background: no-repeat center / 68px 48px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 68 48"><path d="M66.52 7.74c-.78-2.93-2.49-5.41-5.42-6.19C55.79.13 34 0 34 0S12.21.13 6.9 1.55c-2.93.78-4.63 3.26-5.42 6.19C.06 13.05 0 24 0 24s.06 10.95 1.48 16.26c.78 2.93 2.49 5.41 5.42 6.19C12.21 47.87 34 48 34 48s21.79-.13 27.1-1.55c2.93-.78 4.64-3.26 5.42-6.19C67.94 34.95 68 24 68 24s-.06-10.95-1.48-16.26z" fill="red"/><path d="M45 24 27 14v20" fill="white"/></svg>');
  filter: grayscale(100%);
  transition: filter 0.15s ease-out;
}

lite-youtube:hover > .lyt-playbtn,
lite-youtube .lyt-playbtn:focus {
  filter: none;
}

lite-youtube.lyt-activated {
  cursor: default;
}

lite-youtube.lyt-activated > .lyt-playbtn {
  opacity: 0;
  pointer-events: none;
}