.nucleus-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.nucleus-lightbox[hidden] {
  display: none;
}

.nucleus-lightbox--visible {
  opacity: 1;
  visibility: visible;
}

.nucleus-lightbox__content {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  padding: 25px 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.nucleus-lightbox__close {
  appearance: none;
  background: transparent;
  border: none;
  padding: 10px;
  margin: 0;
  cursor: pointer;
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  width: 50px;
  height: 50px;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.nucleus-lightbox__close svg {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.6));
}

.nucleus-lightbox__close:hover,
.nucleus-lightbox__close:focus-visible {
  color: #fff;
  transform: scale(1.1);
  outline: none;
}

/* ── Main slider ── */
.nucleus-lightbox--slider {
  flex: 0 0 85%;
  min-height: 0;
  width: 100%;
  margin-bottom: 10px;
  overflow: hidden;
}

.nucleus-lightbox--slider .swiper-wrapper {
  height: 100%;
}

.nucleus-lightbox--slider .swiper-slide {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ── Image container ── */
.nucleus-lightbox__image {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.nucleus-lightbox__image img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ── Thumbnail strip ── */
.nucleus-lightbox--navigation {
  flex: 0 0 15%;
  min-height: 0;
  width: 100%;
  overflow: hidden;
}

.nucleus-lightbox--navigation .swiper-slide {
  /* explicit width required for slidesPerView:"auto" */
  width: 80px;
  height: 100%;
  cursor: pointer;
}

.nucleus-lightbox--navigation .swiper-slide .nucleus-lightbox__image {
  width: 100%;
  height: 100%;
}

.nucleus-lightbox--navigation .swiper-slide .nucleus-lightbox__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.65;
  border-bottom: 4px solid transparent;
  transition: opacity 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.nucleus-lightbox--navigation .swiper-slide-thumb-active .nucleus-lightbox__image img {
  opacity: 1;
  border-bottom-color: #fff;
}

.nucleus-lightbox--navigation .swiper-button-prev,
.nucleus-lightbox--navigation .swiper-button-next {
  display: none !important;
}

/* ── Pagination ── */
.nucleus-lightbox--pagination {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99;
  color: #fff;
  font-size: 18px;
  line-height: 1;
  white-space: nowrap;
  text-shadow: 0 2px 3px rgba(0, 0, 0, 0.7);
  width: auto !important;
  pointer-events: none;
}

/* ── Slider nav arrows ── */
.nucleus-lightbox__content .swiper-button-next,
.nucleus-lightbox__content .swiper-button-prev {
  color: #fff;
  text-shadow: 0 2px 3px rgba(0, 0, 0, 0.5);
}

/* ── Single image view ── */
.nucleus-lightbox > .nucleus-lightbox__content > .nucleus-lightbox__image {
  flex: 1 1 auto;
}

/* ── Responsive ── */
@media screen and (max-width: 800px) {
  .nucleus-lightbox__content {
    padding: 60px 0 0;
  }
  .nucleus-lightbox--slider {
    flex: 0 0 75%;
  }
  .nucleus-lightbox--navigation {
    flex: 0 0 25%;
  }
  .nucleus-lightbox--navigation .swiper-slide {
    width: 60px;
  }
  .nucleus-lightbox__content .swiper-button-next::after,
  .nucleus-lightbox__content .swiper-button-prev::after {
    font-size: 20px;
  }
}