/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 60px;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.9);
}

.lightbox-content {
  position: relative;
  margin: auto;
  max-width: 80%;
}

.mySlides {
  display: none;
  text-align: center;
}
.mySlides img {
  max-width: 100%;
  max-height: 80vh;
  cursor: zoom-in;
  transition: transform 0.3s ease;
}
.mySlides img:active {
  transform: scale(1.5); /* zoom al hacer click */
}

/* Botones */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-size: 24px;
  transition: 0.3s;
  user-select: none;
}
.next { right: 0; }
.prev { left: 0; }
.prev:hover, .next:hover { color: #f1f1f1; }

/* Cerrar */
.close {
  position: absolute;
  top: 15px; right: 35px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}