/* PDF Grid Container */
.pdf-grid-container {
    width: 100%;
    height: 100%;
}

.pdf-grid-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 0 4px;
}

/* Colonne pour chaque PDF */
.pdf-grid-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Conteneur pour chaque iframe PDF */
.pdf-item {
    position: relative;
    width: 100%;
    height: 26.5rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #f5f5f5;
}

.pdf-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 61, 165, 0.12);
}

.pdf-item iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Bouton pour ouvrir en plein écran */
.pdf-open-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 61, 165, 0.9);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 20px;
    z-index: 10;
    transition: background 0.3s ease;
}

.pdf-open-btn:hover {
    background: rgba(0, 61, 165, 1);
}

/* Loading spinner */
.pdf-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #003da5;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive : Tablette (2 colonnes) */
@media screen and (max-width: 1024px) {
    .pdf-grid-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pdf-item {
        height: 350px;
    }
}

/* Responsive : Mobile (1 colonne) */
@media screen and (max-width: 600px) {
    .pdf-grid-row {
        grid-template-columns: 1fr;
    }
    
    .pdf-item {
        height: 300px;
    }
    
    .pdf-grid-container {
        padding: 1rem 0.5rem;
        margin: 1rem 0;
    }
}

/* grid responsive images jpeg/png */
/* ==================================
   GRILLE D'IMAGES STYLE FLEXBOX
   ================================== */

/* Conteneur principal de la grille d'images */
.image-grid-container {
    width: 100%;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Ligne de la grille avec flexbox */
.image-grid-row {
    display: flex;
    flex-wrap: wrap;
    padding: 0 4px;
    gap: 0;
}

/* Colonnes - 4 colonnes par défaut */
.image-grid-column {
    flex: 25%;
    max-width: 25%;
    padding: 0 4px;
}

/* Item individuel */
.image-item {
    position: relative;
    background: #fff;
    overflow: hidden;
    margin-top: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.image-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

/* Images de base */
.image-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Format Portrait (vertical) */
.image-item.portrait img {
    aspect-ratio: 3 / 4;
    object-fit: cover;
}

/* Format Paysage (horizontal) */
.image-item.landscape img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* Format Carré */
.image-item.square img {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* Si pas de classe spécifiée, l'image garde ses proportions naturelles */
.image-item:not(.portrait):not(.landscape):not(.square) img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Overlay au survol */
.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-item:hover .image-overlay {
    opacity: 1;
}

/* Bouton d'ouverture */
.image-open-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--pantone-293, #007BBF);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.image-item:hover .image-open-btn {
    opacity: 1;
}

.image-open-btn:hover {
    background: white;
    transform: scale(1.1);
}

/* ==================================
   RESPONSIVE
   ================================== */

/* Tablettes - 3 colonnes */
@media screen and (max-width: 1024px) {
    .image-grid-column {
        flex: 33.33%;
        max-width: 33.33%;
    }
}

/* Tablettes petites - 2 colonnes */
@media screen and (max-width: 768px) {
    .image-grid-column {
        flex: 50%;
        max-width: 50%;
    }
}

/* Mobile - 1 colonne */
@media screen and (max-width: 600px) {
    .image-grid-column {
        flex: 100%;
        max-width: 100%;
    }
    
    .image-grid-container {
        padding: 0 0.5rem;
    }
    
    .image-open-btn {
        padding: 6px 10px;
        font-size: 0.9rem;
    }
}

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

.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    border-radius: 8px;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
}

.lightbox-close:hover {
    color: #ccc;
}

/* Navigation lightbox */
.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 40px;
    cursor: pointer;
    padding: 20px;
    user-select: none;
    transition: color 0.3s ease;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: #ccc;
}

/* Mobile lightbox */
@media screen and (max-width: 768px) {
    .lightbox-close {
        font-size: 30px;
        top: 10px;
        right: 15px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 30px;
        padding: 10px;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 95%;
    }
}