/* Fullscreen lightbox — a shared overlay for viewing any framed work
   edge-to-edge, on top of any room layout. Hidden by default so it costs
   nothing on pages that never open it. */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-gallery), visibility 0s linear 0.4s;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.4s var(--ease-gallery), visibility 0s linear 0s;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 7, 6, 0.96);
}

.lightbox__stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: min(92vw, 1200px);
  max-height: 86vh;
  padding: 0 var(--gutter);
}

.lightbox__image {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.7);
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.4s var(--ease-gallery), transform 0.4s var(--ease-gallery);
}

.lightbox.is-open .lightbox__image.is-loaded {
  opacity: 1;
  transform: none;
}

.lightbox__plate {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
  max-width: 60ch;
}

.lightbox__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: var(--color-text);
}

.lightbox__meta {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.lightbox__detail {
  font-size: 0.72rem;
  color: var(--color-text-faint);
}

.lightbox__caption {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.lightbox__title:empty,
.lightbox__meta:empty,
.lightbox__detail:empty,
.lightbox__caption:empty {
  display: none;
}

.lightbox__bar {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  padding: 1.25rem var(--gutter);
}

.lightbox__counter {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-right: auto;
}

.lightbox__control {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: rgba(18, 17, 16, 0.5);
  color: var(--color-text);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.lightbox__control:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lightbox__control--close {
  font-size: 1.3rem;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: rgba(18, 17, 16, 0.5);
  color: var(--color-text);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease, color 0.25s ease, opacity 0.25s ease;
}

.lightbox__nav:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lightbox__nav--prev {
  left: clamp(0.75rem, 3vw, 2.5rem);
}

.lightbox__nav--next {
  right: clamp(0.75rem, 3vw, 2.5rem);
}

.lightbox__nav[disabled],
.lightbox__nav.is-hidden {
  opacity: 0;
  pointer-events: none;
}

body.lightbox-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .lightbox__nav {
    width: 42px;
    height: 42px;
  }
  .lightbox__bar {
    padding: 1rem;
  }
}