/* Lightbox reutilitzable (Discografia · Banc d'imatges): sota el viewport-guard,
 * sobre el modal (1000). Generalitzat des de l'antic caratula-lightbox.css. */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1001;
  box-sizing: border-box;
}

.lightbox[hidden] {
  display: none !important;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox__panel {
  position: relative;
  box-sizing: border-box;
  min-height: 100%;
  min-height: 100dvh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: max(var(--space-3), env(safe-area-inset-top)) max(var(--space-3), env(safe-area-inset-right))
    max(var(--space-3), env(safe-area-inset-bottom)) max(var(--space-3), env(safe-area-inset-left));
  background: rgba(var(--backdrop-rgb), var(--opacity-70));
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.lightbox__close-sticky {
  /* Posició final només per JS. */
  position: fixed;
  z-index: 1006;
  left: 0;
  top: 0;
  right: auto;
  margin: 0;
  padding: 0;
  width: auto;
  height: auto;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  opacity: 0;
  transition: none;
}

.lightbox__close-sticky.lightbox__action-bar--visible {
  opacity: 1;
  transition: opacity 0.12s ease;
}

.lightbox__action-btn {
  pointer-events: auto;
  position: relative;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

@media (hover: hover) and (pointer: fine) {
  .lightbox__panel .lightbox__action-btn.btn-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
  }
}

.lightbox__img {
  display: block;
  max-width: calc(100vw - 2 * var(--space-5) - 40px);
  max-height: calc(100vh - 2 * var(--space-5));
  max-height: calc(100dvh - 2 * var(--space-5));
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(var(--shadow-rgb), 0.25);
}

/* ── Galeria: peu (caption) i fletxes anterior/següent ────────────────────── */
.lightbox__caption {
  position: fixed;
  left: 50%;
  bottom: max(var(--space-3), env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 1006;
  max-width: min(92vw, 760px);
  margin: 0;
  padding: var(--space-1) var(--space-3);
  text-align: center;
  font-size: var(--font-size-sm, 0.85rem);
  line-height: 1.35;
  color: #fff;
  background: rgba(var(--backdrop-rgb), var(--opacity-70));
  border-radius: var(--radius-pill, 999px);
  pointer-events: none;
}

.lightbox__caption[hidden] {
  display: none !important;
}

.lightbox__nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1006;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: #fff;
  background: rgba(var(--backdrop-rgb), var(--opacity-70));
  transition: background 0.12s ease, transform 0.12s ease;
}

.lightbox__nav[hidden] {
  display: none !important;
}

.lightbox__nav:hover {
  background: var(--color-primary);
}

.lightbox__nav:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.lightbox__nav svg {
  width: 26px;
  height: 26px;
}

.lightbox__nav--prev {
  left: max(var(--space-2), env(safe-area-inset-left));
}

.lightbox__nav--next {
  right: max(var(--space-2), env(safe-area-inset-right));
}

/* En mode estret, fletxes una mica més petites i enganxades a la vora. */
@media (max-width: 520px) {
  .lightbox__nav {
    width: 40px;
    height: 40px;
  }
  .lightbox__nav svg {
    width: 22px;
    height: 22px;
  }
}