/**
 * APC Instagram Feed — Styles de base
 * Grille CSS responsive, surcharge possible via le thème.
 */

.igf-feed {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(3, 1fr); /* défaut 3 colonnes */
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Colonnes dynamiques via classe générée par PHP */
.igf-cols-1 { grid-template-columns: repeat(1, 1fr); }
.igf-cols-2 { grid-template-columns: repeat(2, 1fr); }
.igf-cols-3 { grid-template-columns: repeat(3, 1fr); }
.igf-cols-4 { grid-template-columns: repeat(4, 1fr); }
.igf-cols-5 { grid-template-columns: repeat(5, 1fr); }
.igf-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* Responsive : 2 colonnes sous 768px, 1 colonne sous 480px */
@media (max-width: 768px) {
    .igf-feed { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 480px) {
    .igf-feed { grid-template-columns: repeat(1, 1fr) !important; }
}

/* Item */
.igf-item {
    position: relative;
    overflow: hidden;
    background: #f0f0f0;
}

.igf-item a {
    display: block;
    text-decoration: none;
}

/* Ratio carré */
.igf-thumb {
    position: relative;
    width: 100%;
    padding-top: 100%; /* ratio 1:1 */
    overflow: hidden;
}

.igf-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.igf-item a:hover .igf-thumb img,
.igf-item a:focus .igf-thumb img {
    transform: scale(1.05);
    opacity: 0.85;
}

/* Icône lecture vidéo */
.igf-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    line-height: 1;
}

/* Icône carrousel */
.igf-carousel-icon {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 1.25rem;
    color: #fff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
    pointer-events: none;
    line-height: 1;
}

/* Date (accessible, masquée visuellement) */
.igf-date.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
    white-space: nowrap;
}

/* États d'erreur */
.igf-error {
    color: #dc3232;
    border-left: 4px solid #dc3232;
    padding: 8px 12px;
    background: #fef0f0;
}

.igf-empty {
    color: #666;
    font-style: italic;
}