/* lite-youtube-embed
 * Drop-in YouTube embed that loads the iframe only after the user clicks play.
 * Keeps page-load fast on pages with embedded video.
 * Source: github.com/paulirish/lite-youtube-embed (BSD-3-Clause)
 */

lite-youtube {
  background-color: #000;
  position: relative;
  display: block;
  contain: content;
  background-position: center center;
  background-size: cover;
  cursor: pointer;
  max-width: 100%;
}

/* gradient at the top, like a real YouTube player */
lite-youtube::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  background-image: linear-gradient(180deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0) 75%);
  height: 60px;
  width: 100%;
  z-index: 1;
}

/* responsive 16:9 aspect ratio via padding-bottom hack */
lite-youtube::after {
  content: "";
  display: block;
  padding-bottom: calc(100% / (16 / 9));
}
lite-youtube > iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border: 0;
}

/* play button — YouTube-style */
lite-youtube > .lty-playbtn {
  display: block;
  width: 68px;
  height: 48px;
  position: absolute;
  cursor: pointer;
  transform: translate3d(-50%, -50%, 0);
  top: 50%;
  left: 50%;
  z-index: 1;
  background-color: transparent;
  /* YouTube play icon SVG, base64-friendly inline */
  background-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 68 48" xmlns="http://www.w3.org/2000/svg"><path d="M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z" fill="%23212121" fill-opacity="0.8"/><path d="M 45,24 27,14 27,34" fill="%23fff"/></svg>');
  filter: grayscale(100%);
  transition: filter .1s cubic-bezier(0, 0, 0.2, 1);
  border: 0;
}

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

/* post-click: hide thumbnail + play button */
lite-youtube.lyt-activated {
  cursor: unset;
}
lite-youtube.lyt-activated::before,
lite-youtube.lyt-activated > .lty-playbtn {
  opacity: 0;
  pointer-events: none;
}

.lyt-visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}