/* =========================================================
   LECTEUR PLEIN ÉCRAN
   ========================================================= */

body.lightbox-is-open {
  overflow: hidden;
}

.page-lightbox[hidden] {
  display: none;
}

.page-lightbox {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  color: var(--white);
}

.page-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 17, 14, 0.96);
  backdrop-filter: blur(10px);
}

.page-lightbox__panel {
  position: relative;
  z-index: 1;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding: clamp(0.7rem, 1.5vw, 1.3rem);
}

.page-lightbox__toolbar {
  min-height: 3.4rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.page-lightbox__counter {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-lightbox__zoom-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.page-lightbox__button,
.page-lightbox__zoom-value,
.page-lightbox__close,
.page-lightbox__nav {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0;
  color: inherit;
  background: rgba(0, 0, 0, 0.22);
  cursor: pointer;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.page-lightbox__button:hover,
.page-lightbox__zoom-value:hover,
.page-lightbox__close:hover,
.page-lightbox__nav:hover {
  border-color: var(--red);
  background: var(--red);
}

.page-lightbox__button,
.page-lightbox__close {
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  padding: 0;
  font-size: 1.35rem;
}

.page-lightbox__zoom-value {
  min-width: 5rem;
  height: 2.8rem;
  padding: 0 0.7rem;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
}

.page-lightbox__close {
  justify-self: end;
  font-size: 1.8rem;
}

.page-lightbox__stage {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr) 4.2rem;
  align-items: stretch;
  gap: clamp(0.4rem, 1vw, 1rem);
  padding: clamp(0.7rem, 1.4vw, 1.2rem) 0;
}

.page-lightbox__viewport {
  min-width: 0;
  min-height: 0;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
}

.page-lightbox__viewport.is-dragging {
  cursor: grabbing;
}

.page-lightbox__image {
  max-width: 100%;
  max-height: 100%;
  display: block;
  object-fit: contain;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
  will-change: transform;
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.7);
}

.page-lightbox__nav {
  align-self: center;
  width: 4.2rem;
  height: 5.4rem;
  display: grid;
  place-items: center;
  padding: 0;
  font-size: 1.5rem;
}

.page-lightbox__help {
  margin: 0;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.66rem;
  text-align: center;
}

@media (max-width: 720px) {
  .page-lightbox__panel {
    padding: 0.55rem;
  }

  .page-lightbox__toolbar {
    grid-template-columns: auto 1fr auto;
    gap: 0.45rem;
  }

  .page-lightbox__counter {
    font-size: 0.6rem;
  }

  .page-lightbox__button,
  .page-lightbox__close {
    width: 2.5rem;
    height: 2.5rem;
  }

  .page-lightbox__zoom-value {
    min-width: 4.2rem;
    height: 2.5rem;
  }

  .page-lightbox__stage {
    position: relative;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-lightbox__viewport {
    grid-column: 1;
    grid-row: 1;
  }

  .page-lightbox__nav {
    position: absolute;
    z-index: 3;
    top: 50%;
    width: 3rem;
    height: 4.3rem;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.58);
  }

  .page-lightbox__nav--previous {
    left: 0.25rem;
  }

  .page-lightbox__nav--next {
    right: 0.25rem;
  }

  .page-lightbox__help {
    font-size: 0.58rem;
  }
}