/* ============================================================
   CARROUSEL / GALERIE
   ------------------------------------------------------------
   Structure :
     1. Galerie      → grille de vignettes, toujours visibles
     2. Contrôles    → barre first/prev/play/next/last/loop/fullscreen
     3. Visionneuse  → overlay plein écran (@scope .carrousel-viewer)
     4. Responsive
   ============================================================ */

/* ============================================================
   1. GALERIE
   ============================================================ */
@scope (.galery) {
  .carrousel-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
  }

  figure.item {
    min-width: 0;
    margin: 0;
  }
  button.image {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: clamp(140px, 18vw, 220px);
    margin: 0;
    padding: .35rem;

    border: var(--epa-action-br);
    border-radius: var(--epa-radius);
    background: var(--epa-bg-muted);

    cursor: zoom-in;
    overflow: hidden;

    transition:
      background var(--epa-duration-fast) var(--epa-ease),
      border-color var(--epa-duration-fast) var(--epa-ease),
      box-shadow var(--epa-duration-fast) var(--epa-ease);
  }
  button.image:hover {
    background: var(--epa-action-bg-hover);
    box-shadow: var(--epa-shadow-card);
  }
  /* Mémoire visuelle de la dernière image agrandie — jamais de
     contrôle de visibilité ici : toutes les vignettes restent
     affichées en permanence, ouverture du viewer ou non. */
  figure.active button.image {
    background: var(--epa-action-bg-active);
  }
  figure img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
  }


  /* ============================================================
     1.2 CONTRÔLES
     ============================================================ */

  .carrousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;

    width: fit-content;
    margin: 1rem auto 0;
    padding: 0;

    border: var(--epa-action-br);
    border-radius: var(--epa-radius-pill);

    background: var(--epa-action-bg);
    overflow: hidden;
  }

  .carrousel-controls button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 2.5rem;
    height: 2.25rem;
    min-width: 2.5rem;
    margin: 0;
    padding: 0;

    border: 0;
    border-radius: 0;

    background: transparent;
    color: var(--epa-action-tx);

    cursor: pointer;

    transition:
      background var(--epa-duration-fast) var(--epa-ease),
      color var(--epa-duration-fast) var(--epa-ease);
  }

  .carrousel-controls button:hover {
    background: var(--epa-action-bg-hover);
    color: var(--epa-action-tx-hover);
  }

  .carrousel-controls button.active {
    background: var(--epa-action-bg-active);
  }

  .carrousel-controls button + button {
    border-left: var(--epa-action-br);
  }

  .carrousel-controls button:disabled {
    background: var(--epa-action-bg-disabled);
    color: var(--epa-action-tx-disabled);
    cursor: not-allowed;
  }

}

/* ============================================================
   2. CONTRÔLES
   ============================================================ */

.carrousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;

  width: fit-content;
  margin: 1rem auto 0;
  padding: 0;

  border: var(--epa-action-br);
  border-radius: var(--epa-radius-pill);

  background: var(--epa-action-bg);
  overflow: hidden;
}

.carrousel-controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 2.5rem;
  height: 2.25rem;
  min-width: 2.5rem;
  margin: 0;
  padding: 0;

  border: 0;
  border-radius: 0;

  background: transparent;
  color: var(--epa-action-tx);

  cursor: pointer;

  transition:
    background var(--epa-duration-fast) var(--epa-ease),
    color var(--epa-duration-fast) var(--epa-ease);
}


.carrousel-position {
  margin-top: .5rem;
  color: var(--epa-tx-muted);
  font-size: .875rem;
  line-height: 1.2;
  text-align: center;
}


/* ============================================================
   3. VISIONNEUSE
   ============================================================ */

@scope (.carrousel-viewer) {
  :scope {
    position: fixed;
    inset: 0;
    z-index: 100;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 1rem;

    background: rgb(0 0 0 / 82%);

    overflow: hidden;
  }

  :scope[hidden] {
    display: none;
  }

  :scope:focus {
    outline: none;
  }

  .inner {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: 100%;
  }

  img {
    display: block;

    max-width: 94vw;
    max-height: 90vh;
    max-height: 90svh;

    width: auto;
    height: auto;

    object-fit: contain;
  }
  .inner > [type=button],
  .inner > button {
    position: absolute;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    margin: 0;
    padding: 0;

    border: var(--epa-green-dark);
    border-radius: var(--epa-radius-pill);

    background: var(--epa-green-darkest);
    color: var(--epa-green-lightest);

    cursor: pointer;
  }

  button:hover {
    background: var(--epa-action-bg-hover);
    color: var(--epa-action-tx-hover);
  }

  button:disabled {
    background: var(--epa-green-black);
    color: var(--epa-grey-dark);
  }

  .prev {
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
  }

  .next {
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
  }

  .prev,
  .next {
    transition: opacity var(--epa-duration-fast) var(--epa-ease);
  }
  

  :scope.is-idle {
    cursor: none;
  }

  :scope.diaporama .prev,
  :scope.diaporama .next,
  :scope.is-idle .prev,
  :scope.is-idle .next {
    opacity: 0;
    pointer-events: none;
  }

  /* Fermeture accessible : masquée visuellement, révélée au
     focus clavier (motif "skip-link"). Le clic hors image et
     la touche Échap restent les moyens usuels de fermeture. */
  .viewer-close-hint {
    position: absolute;
    top: .75rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;

    width: auto;
    height: auto;
    min-width: 0;
    padding: .4rem .9rem;

    border-radius: var(--epa-radius-pill);
    background: var(--epa-green-darkest);
    color: var(--epa-green-lightest);

    font-size: .875rem;
    line-height: 1.2;

    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    overflow: hidden;
    white-space: nowrap;
  }

  .viewer-close-hint:focus {
    clip: auto;
    clip-path: none;
    overflow: visible;
    white-space: normal;
    outline: 2px solid var(--epa-focus-ring);
    outline-offset: 2px;
  }


  /* ============================================================
     3.2 CONTRÔLES
     ============================================================ */

  .carrousel-controls {
    background: var(--epa-green-darkest);
    border-color: var(--epa-green-darker);
    color: var(--epa-green-lightest);
    overflow: hidden;
    position: fixed;
    left: 50%;
    bottom: 1rem;
    z-index: 110;
    margin: 0;
    transform: translateX(-50%);
    transition: opacity var(--epa-duration-fast) var(--epa-ease);
  }

  .carrousel-controls button {

    background: transparent;
    color: var(--epa-violet-light);

    cursor: pointer;

    transition:
      background var(--epa-duration-fast) var(--epa-ease),
      color var(--epa-duration-fast) var(--epa-ease);
  }

  .carrousel-controls button:hover {
    background: var(--epa-green-darker);
    color:      var(--epa-action-tx-hover);
  }

  .carrousel-controls button.active {
    background: var(--epa-green-darker);
    color:      var(--epa-violet-lighter);
  }

  .carrousel-controls button + button {
    border-left: var(--epa-green-darkest);
  }

  .carrousel-controls button:disabled {
    color:      var(--epa-violet-dark);
    cursor: not-allowed;
  }

  :scope.is-idle .carrousel-controls {
    opacity: 0;
    pointer-events: none;
  }

}


/* ============================================================
   4. RESPONSIVE
   ============================================================ */

@media (max-width: 600px) {
  .carrousel .carrousel-images {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .5rem;
  }

  .carrousel .carrousel-image {
    height: 130px;
    padding: .2rem;
  }

  @scope (.carrousel-viewer) {
    :scope {
      padding: .5rem;
    }

    img {
      max-width: 98vw;
      max-height: 92vh;
      max-height: 92svh;
    }

    button {
      width: 2.5rem;
      height: 2.5rem;
      min-width: 2.5rem;
    }

    .prev {
      left: .5rem;
    }

    .next {
      right: .5rem;
    }
  }
}