/* ==========================================================================
   Salaroma PHOTOGRAPHY — LIGHTBOX STYLESHEET
   Fullscreen image viewer: dark blurred backdrop, fade + zoom transition,
   prev/next navigation, counter, and a loading spinner.
   ========================================================================== */

/* Lock background scroll while the lightbox is open */
body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.9);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

/* Fade + zoom entrance, driven by the `.is-open` state class */
.lightbox__stage {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: clamp(1rem, 5vw, 4rem);
  opacity: 0;
  transform: scale(0.94);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.lightbox.is-open .lightbox__backdrop {
  opacity: 1;
}

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

.lightbox__image {
  position: relative;
  z-index: 2;
  max-width: min(92vw, 1400px);
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity var(--transition-medium);
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox__image.is-loaded {
  opacity: 1;
}

/* Loading spinner — a thin gold ring, on-brand rather than a generic loader */
.lightbox__spinner {
  position: absolute;
  z-index: 1;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--color-accent);
  animation: lightbox-spin 0.9s linear infinite;
}

.lightbox__spinner[hidden] {
  display: none;
}

@keyframes lightbox-spin {
  to { transform: rotate(360deg); }
}

/* Close button */
.lightbox__close {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  right: clamp(1rem, 3vw, 2rem);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.lightbox__close:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  transform: rotate(90deg);
}

.lightbox__close svg {
  width: 18px;
  height: 18px;
}

/* Prev / Next navigation */
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast);
}

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

.lightbox__nav svg {
  width: 20px;
  height: 20px;
}

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

.lightbox__nav--prev:hover {
  transform: translateY(-50%) translateX(-3px);
}

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

.lightbox__nav--next:hover {
  transform: translateY(-50%) translateX(3px);
}

.lightbox__nav[disabled],
.lightbox__close[disabled] {
  opacity: 0.35;
  pointer-events: none;
}

/* Footer: image counter + category label */
.lightbox__footer {
  position: absolute;
  bottom: clamp(1rem, 3vw, 2rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.lightbox__category {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
}

.lightbox__counter {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
}

/* View / Download actions — reuse the site's existing .btn/.btn--gold
   pill styling and gold hover-fill; only size + spacing are scoped here. */
.lightbox__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.lightbox__action {
  padding: 0.6rem 1.4rem;
  font-size: 0.7rem;
}


/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
  .lightbox__close {
    width: 40px;
    height: 40px;
    top: 1rem;
    right: 1rem;
  }

  .lightbox__nav {
    width: 44px;
    height: 44px;
  }

  .lightbox__nav--prev {
    left: 0.5rem;
  }

  .lightbox__nav--next {
    right: 0.5rem;
  }

  .lightbox__image {
    max-height: 78vh;
  }
}

@media (max-width: 480px) {
  /* On small touch devices, swipe is the primary way to navigate —
     keep the arrow buttons but move them to the bottom corners so
     they never overlap a portrait image. */
  .lightbox__nav {
    top: auto;
    bottom: clamp(3.5rem, 12vw, 4.5rem);
    transform: none;
  }

  .lightbox__nav--prev {
    left: 1rem;
  }

  .lightbox__nav--next {
    right: 1rem;
  }

  .lightbox__nav:hover,
  .lightbox__nav--prev:hover,
  .lightbox__nav--next:hover {
    transform: none;
  }

  .lightbox__footer {
    bottom: 1rem;
  }

  .lightbox__actions {
    gap: 0.5rem;
    margin-top: 0.65rem;
  }

  .lightbox__action {
    padding: 0.5rem 1.1rem;
    font-size: 0.66rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox__spinner {
    animation-duration: 1.4s;
  }
}