/* =====================================================================
   CANITAS FELICES — lightbox.css
   Modal de galería a pantalla completa. No estaba en la arquitectura
   original (igual que contact.css/loader.css) — se agrega como
   componente propio, siguiendo ADR-002/ADR-003. El overlay reutiliza
   el mismo tono navy semitransparente ya definido como lineamiento
   preventivo para modales en DESIGN_SYSTEM.md §10.6.
   ===================================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000; /* por encima de loader (2000), navbar (900) y flotantes (850) */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);

  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.lightbox__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(27, 58, 87, 0.92);
  z-index: 0;
}

/* --- Figura principal --- */
.lightbox__figure {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  max-width: min(90vw, 1100px);
  max-height: 80vh;
}

.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
  transition: transform var(--transition-base);
}

.lightbox__img--zoomed {
  transform: scale(1.7);
  cursor: zoom-out;
}

.lightbox__caption {
  color: var(--color-white);
  font-size: var(--fs-sm);
  text-align: center;
  max-width: 60ch;
}

.lightbox__counter {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-xs);
  font-weight: 600;
}

/* --- Botones de control (cerrar, anterior, siguiente) --- */
.lightbox__close,
.lightbox__nav {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__nav:hover {
  background-color: rgba(255, 255, 255, 0.24);
}

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

.lightbox__nav--prev {
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__nav--prev:hover {
  transform: translateY(-50%) scale(1.08);
}

.lightbox__nav--next {
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__nav--next:hover {
  transform: translateY(-50%) scale(1.08);
}

/* El outline claro sobre fondo oscuro se agregó a la regla compartida
   en styles.css (§2), incluyendo explícitamente .lightbox — no hace
   falta una regla adicional aquí. */