/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

/* ---- Image container ---- */

.lightbox-media {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain;
  transform: scale(0.96);
  transition: transform var(--duration-base) var(--ease-out);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}

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

/* ---- Caption ---- */

.lightbox-caption {
  position: absolute;
  bottom: -48px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.lightbox-caption-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-text);
}

.lightbox-caption-cat {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ---- Controls ---- */

.lightbox-close {
  position: fixed;
  top: var(--space-3);
  right: var(--space-3);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
  z-index: 10;
}

.lightbox-close:hover {
  color: var(--color-text);
}

.lightbox-close svg {
  width: 20px;
  height: 20px;
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--duration-fast), transform var(--duration-fast);
  z-index: 10;
}

.lightbox-nav:hover {
  color: var(--color-text);
}

.lightbox-prev {
  left: var(--space-3);
}

.lightbox-next {
  right: var(--space-3);
}

.lightbox-prev:hover {
  transform: translateY(-50%) translateX(-2px);
}

.lightbox-next:hover {
  transform: translateY(-50%) translateX(2px);
}

.lightbox-nav svg {
  width: 24px;
  height: 24px;
}

/* ---- Loading ---- */

.lightbox-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ---- Mobile ---- */

@media (max-width: 767px) {
  .lightbox-caption {
    bottom: -64px;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }

  .lightbox-nav {
    display: none;
  }
}