/* ============================================================
   LIGHTBOX — visionneuse plein écran des photos d'une page
   Clic sur une photo -> ouverture, navigation entre toutes les
   photos de la page (flèches, clavier, swipe tactile).
   ============================================================ */

body.lightbox-active {
  overflow: hidden;
}

.lightbox-trigger {
  cursor: zoom-in;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(10, 12, 12, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out), visibility 0s linear var(--duration-base);
}

.lightbox-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--duration-base) var(--ease-out), visibility 0s linear 0s;
}

.lightbox-figure {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin: 0;
  max-width: min(90vw, 1100px);
  max-height: 86vh;
  transform: scale(0.96) translateY(10px);
  opacity: 0;
  transition: transform 0.26s var(--ease-out), opacity 0.26s var(--ease-out);
}

.lightbox-overlay.is-open .lightbox-figure {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.lightbox-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
  max-width: 100%;
  max-height: 68vh;
  line-height: 0;
}

.lightbox-img-wrap img {
  display: block;
  max-width: 100%;
  max-height: 68vh;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 1;
  transition: opacity 0.16s var(--ease-out);
}

.lightbox-img-wrap img.is-swapping {
  opacity: 0;
}

.lightbox-caption-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.lightbox-caption {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 0.95rem;
  text-align: center;
  max-width: 62ch;
  line-height: 1.4;
}

.lightbox-counter {
  color: rgba(255, 255, 255, 0.5);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.16);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.lightbox-close:hover,
.lightbox-nav:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.lightbox-close:focus-visible,
.lightbox-nav:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
}

.lightbox-close {
  top: var(--space-md);
  right: var(--space-md);
}

.lightbox-nav-prev {
  left: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-nav-next {
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-nav-prev:hover { transform: translateY(-50%) scale(1.06); }
.lightbox-nav-next:hover { transform: translateY(-50%) scale(1.06); }

@media (max-width: 640px) {
  .lightbox-overlay {
    padding: var(--space-md) var(--space-sm);
  }

  .lightbox-close,
  .lightbox-nav {
    width: 38px;
    height: 38px;
  }

  .lightbox-close {
    top: var(--space-sm);
    right: var(--space-sm);
  }

  .lightbox-caption {
    font-size: 0.85rem;
  }
}