/* =========================================================================
   What-A-Toy! — Lightbox modal
   Full-screen image viewer: backdrop, image, caption, prev/next, counter.
   Tokens only. Reduced-motion safe.
   ========================================================================= */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: none;               /* toggled to flex when open */
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: var(--scrim); /* navy-tinted scrim */
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}

.lightbox.is-open {
  display: flex;
  opacity: 1;
}

/* ---- Figure (image + caption stack) ---- */
.lightbox__figure {
  position: relative;
  margin: 0;
  /* leave side room for the edge-pinned prev/next buttons */
  max-width: min(82vw, 980px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  transform: scale(0.96);
  transition: transform var(--dur-base) var(--ease-bounce);
}

.lightbox.is-open .lightbox__figure {
  transform: scale(1);
}

.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--surface-card);
  box-shadow: var(--shadow-lg);
}

.lightbox__caption {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--on-red);
  text-align: center;
  margin: 0;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.lightbox__counter {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  color: var(--navy);
  background: var(--gold);
  border-radius: var(--radius-pill);
  padding: 2px var(--space-3);
  margin-left: var(--space-2);
}

/* ---- Control buttons (close / prev / next) ---- */
.lightbox__btn {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--red);
  color: var(--on-red);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-red);
  transition: background var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.lightbox__btn:hover {
  background: var(--red-dark);
  transform: scale(1.08);
}

.lightbox__btn:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

/* Pinned to the lightbox (viewport) edges so they never overlap the image */
.lightbox__btn--close {
  top: var(--space-4);
  right: var(--space-4);
}

.lightbox__btn--prev {
  top: 50%;
  left: var(--space-4);
  transform: translateY(-50%);
}

.lightbox__btn--next {
  top: 50%;
  right: var(--space-4);
  transform: translateY(-50%);
}

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

/* ---- Small screens: smaller controls, tighter to the edges ---- */
@media (max-width: 760px) {
  .lightbox__btn { width: 44px; height: 44px; font-size: 1.3rem; }
  .lightbox__btn--close { top: var(--space-3); right: var(--space-3); }
  .lightbox__btn--prev { left: var(--space-2); }
  .lightbox__btn--next { right: var(--space-2); }
  .lightbox__figure { max-width: 92vw; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .lightbox__figure,
  .lightbox__btn {
    transition: none;
  }
  .lightbox__figure { transform: none; }
  .lightbox.is-open .lightbox__figure { transform: none; }
}