/**
 * Просмотр изображений в стиле лайтбокса.
 * Разметку оверлея создаёт js/lightbox.js, здесь только оформление.
 */
[data-brosteel-lightbox-group] .field__items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

[data-brosteel-lightbox-group] a {
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}

[data-brosteel-lightbox-group] img {
  transition: transform 0.3s ease;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

[data-brosteel-lightbox-group] a:hover img {
  transform: scale(1.05);
}

.brosteel-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 20, 34, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 2rem;
  opacity: 0;
  animation: brosteel-lightbox-in 0.15s ease forwards;
}

@keyframes brosteel-lightbox-in {
  to {
    opacity: 1;
  }
}

.brosteel-lightbox__image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.brosteel-lightbox__close,
.brosteel-lightbox__prev,
.brosteel-lightbox__next {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.brosteel-lightbox__close:hover,
.brosteel-lightbox__prev:hover,
.brosteel-lightbox__next:hover {
  background: var(--color-accent);
}

.brosteel-lightbox__close {
  top: 1rem;
  right: 1rem;
}

.brosteel-lightbox__prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.brosteel-lightbox__next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.brosteel-lightbox__counter {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

body.brosteel-lightbox-open {
  overflow: hidden;
}

@media (max-width: 480px) {
  .brosteel-lightbox__prev,
  .brosteel-lightbox__next {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}