/* I Filarmonici di Trento - stili per video al clic e immagini ingrandibili */

/* ---------- Video YouTube ---------- */
.yt-lite {
  position: relative;
  display: block;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 16 / 9;
  margin: 1em 0 .4em;
  background: #000;
  overflow: hidden;
  cursor: pointer;
}
.yt-lite img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .2s;
}
.yt-lite:hover img, .yt-lite:focus img { opacity: .85; }
.yt-lite-play {
  position: absolute;
  top: 50%; left: 50%;
  width: 68px; height: 48px;
  margin: -24px 0 0 -34px;
  border-radius: 12px;
  background: rgba(33, 33, 33, .85);
  transition: background .2s;
}
.yt-lite-play::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  margin: -10px 0 0 -7px;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
}
.yt-lite:hover .yt-lite-play, .yt-lite:focus .yt-lite-play { background: #c00; }
.yt-lite:focus-visible { outline: 3px solid #c00; outline-offset: 2px; }
.yt-lite iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Immagini ingrandibili ---------- */
img.lb-trigger { cursor: zoom-in; }
img.lb-trigger:focus-visible { outline: 3px solid #c00; outline-offset: 2px; }

html.lb-open, html.lb-open body { overflow: hidden; }

.lb {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, .92);
}
.lb[hidden] { display: none; }
.lb-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 56px;
  overflow: auto;
}
.lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 4px 30px rgba(0, 0, 0, .5);
  cursor: zoom-in;
}
/* ingrandita: grandezza naturale, si scorre */
.lb-zoom .lb-stage { display: block; padding: 0; }
.lb-zoom .lb-img { max-width: none; max-height: none; margin: 0 auto; display: block; cursor: zoom-out; }

.lb-btn {
  position: absolute;
  z-index: 1;
  border: 0;
  background: rgba(0, 0, 0, .5);
  color: #fff;
  font: 40px/1 Arial, sans-serif;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
}
.lb-btn:hover, .lb-btn:focus-visible { background: rgba(255, 255, 255, .25); outline: none; }
.lb-btn[hidden] { display: none; }
.lb-close { top: 8px; right: 8px; }
.lb-prev { left: 4px; top: 50%; margin-top: -24px; }
.lb-next { right: 4px; top: 50%; margin-top: -24px; }
.lb-count {
  position: absolute;
  bottom: 10px; left: 0; right: 0;
  text-align: center;
  color: #ddd;
  font-size: 14px;
  pointer-events: none;
}
@media (max-width: 600px) {
  .lb-stage { padding: 52px 4px; }
}