/* ============================================================
   Universal Lightbox — sp-lightbox.js
   Activate on any container: <div data-lightbox>
   ============================================================ */

.sp-lb {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  touch-action: auto;
}

.sp-lb[hidden] { display: none; }

.sp-lb__img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 2px;
  user-select: none;
  display: block;
}

.sp-lb__close,
.sp-lb__prev,
.sp-lb__next {
  position: absolute;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  line-height: 1;
  padding: 0;
}

.sp-lb__close:hover,
.sp-lb__prev:hover,
.sp-lb__next:hover { opacity: 1; }

.sp-lb__close {
  top: 1rem;
  right: 1.25rem;
  font-size: 2rem;
}

.sp-lb__prev,
.sp-lb__next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.5rem;
  padding: 0 1rem;
}

.sp-lb__prev { left: 0; }
.sp-lb__next { right: 0; }