/* lightbox.css — fullscreen preview + zoom (iOS Safari safe) */

.lightbox-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  border-radius: var(--radius-sm);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.lightbox-trigger img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: var(--surface-glow);
  transition: transform var(--duration-base) var(--ease-out);
}

.lightbox-trigger:hover img,
.lightbox-trigger:focus-visible img {
  transform: scale(1.02);
}

.lightbox-trigger:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

.lightbox-trigger__hint {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, #000 55%, transparent);
  color: #fff;
  pointer-events: none;
}

.lightbox-trigger__hint svg {
  width: 1rem;
  height: 1rem;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) + 20);
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: color-mix(in srgb, #050505 92%, transparent);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--duration-base) var(--ease-out),
    visibility var(--duration-base) var(--ease-out);
  padding:
    max(var(--space-sm), var(--safe-top))
    max(var(--space-sm), var(--safe-right))
    max(var(--space-sm), var(--safe-bottom))
    max(var(--space-sm), var(--safe-left));
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox__top,
.lightbox__bottom {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 2.75rem;
}

.lightbox__top {
  justify-content: space-between;
}

.lightbox__bottom {
  justify-content: center;
  flex-wrap: wrap;
}

.lightbox__caption {
  margin: 0;
  color: #f5f5f5;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lightbox__counter {
  color: color-mix(in srgb, #fff 55%, transparent);
  font-size: var(--font-size-xs);
}

.lightbox__btn {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid color-mix(in srgb, #fff 22%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, #111 55%, transparent);
  color: #fff;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--duration-fast) var(--ease-out);
}

.lightbox__btn:hover,
.lightbox__btn:focus-visible {
  background: color-mix(in srgb, #fff 18%, transparent);
  outline: none;
}

.lightbox__btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.lightbox__btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.lightbox__viewport {
  position: relative;
  min-height: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-xs);
}

.lightbox__stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  -webkit-user-select: none;
  user-select: none;
}

.lightbox__stage.is-dragging {
  cursor: grabbing;
}

.lightbox__figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  will-change: transform;
  transform-origin: center center;
}

.lightbox__img {
  display: block;
  max-width: min(100%, 92vw);
  max-height: calc(100dvh - 9rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  pointer-events: none;
  -webkit-user-drag: none;
}

.lightbox__nav {
  position: relative;
  top: auto;
  transform: none;
  z-index: 2;
  flex-shrink: 0;
}

.lightbox__nav--prev,
.lightbox__nav--next {
  left: auto;
  right: auto;
}

@media (max-width: 639px) {
  .lightbox__viewport {
    grid-template-columns: 1fr;
  }

  .lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: grid;
  }

  .lightbox__nav--prev { left: 0.15rem; }
  .lightbox__nav--next { right: 0.15rem; left: auto; }
}

body.lightbox-open {
  overflow: hidden;
  touch-action: none;
}

@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .lightbox-trigger img {
    transition: none;
  }
}