/* Styles pour l'affichage frontend du grid Instagram */

.instagram-grid-container {
    width: 100%;
    margin: 0 auto;
    padding: 0;
}

.instagram-grid-empty {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 40px 20px;
}

/* Grid principal */
.instagram-grid {
    display: grid;
    width: 100%;
    margin: 0 auto;
    /* Les propriétés grid-template-columns et gap sont définies inline depuis PHP */
}

.instagram-grid-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.instagram-grid-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Post container */
.instagram-post {
    position: relative;
    display: block;
    text-decoration: none;
    color: inherit;
}

.instagram-post-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Image container */
.instagram-image-container {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* Ratio carré 1:1 */
    overflow: hidden;
    border-radius: 8px;
}

.instagram-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.instagram-grid-item:hover .instagram-image {
    transform: scale(1.05);
}

/* Overlay au survol */
.instagram-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(131, 58, 180, 0.8) 0%,
        rgba(253, 29, 29, 0.8) 50%,
        rgba(252, 176, 64, 0.8) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 8px;
}

.instagram-grid-item:hover .instagram-overlay {
    opacity: 1;
}

.instagram-overlay-content {
    text-align: center;
    color: white;
    padding: 20px;
    max-width: 90%;
}

.instagram-caption {
    font-size: 14px;
    line-height: 1.4;
    margin: 0 0 15px 0;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.instagram-icon {
    display: flex;
    justify-content: center;
    align-items: center;
}

.instagram-icon svg {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Responsive design */
@media (max-width: 768px) {
    .instagram-grid-container[data-columns="6"] .instagram-grid,
    .instagram-grid-container[data-columns="5"] .instagram-grid,
    .instagram-grid-container[data-columns="4"] .instagram-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .instagram-overlay-content {
        padding: 15px;
    }
    
    .instagram-caption {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }
    
    .instagram-icon svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .instagram-grid-container[data-columns="6"] .instagram-grid,
    .instagram-grid-container[data-columns="5"] .instagram-grid,
    .instagram-grid-container[data-columns="4"] .instagram-grid,
    .instagram-grid-container[data-columns="3"] .instagram-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .instagram-overlay-content {
        padding: 10px;
    }
    
    .instagram-caption {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .instagram-icon svg {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 320px) {
    .instagram-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Animation de chargement */
.instagram-image[data-loading="true"] {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Effet de focus pour l'accessibilité */
.instagram-post-link:focus {
    outline: 3px solid #0073aa;
    outline-offset: 2px;
}

.instagram-post-link:focus .instagram-overlay {
    opacity: 1;
}

/* Masonry fallback pour navigateurs plus anciens */
@supports not (display: grid) {
    .instagram-grid {
        display: flex;
        flex-wrap: wrap;
        margin: -10px;
    }
    
    .instagram-grid-item {
        flex: 0 0 calc(33.333% - 20px);
        margin: 10px;
    }
    
    @media (max-width: 768px) {
        .instagram-grid-item {
            flex: 0 0 calc(50% - 20px);
        }
    }
    
    @media (max-width: 480px) {
        .instagram-grid-item {
            flex: 0 0 calc(100% - 20px);
        }
    }
}

/* Améliorations pour les très grands écrans */
@media (min-width: 1400px) {
    .instagram-grid-container {
        max-width: 1200px;
    }
}

/* Mode sombre optionnel */
@media (prefers-color-scheme: dark) {
    .instagram-grid-item {
        background: #1a1a1a;
    }
    
    .instagram-grid-empty {
        color: #ccc;
    }
}