/**
 * YMCA Instagram Feed Styles
 * 
 * Lightweight, performant CSS using CSS Grid.
 * Uses CSS custom properties for easy column adjustment.
 */

/* Grid Container */
.ymca-ig-feed {
    display: grid;
    grid-template-columns: repeat(var(--ymca-ig-columns, 4), 1fr);
    gap: 15px;
    max-width: 100%;
}

/* Individual Grid Item */
.ymca-ig-feed__item {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: #f0f0f0;
    text-decoration: none;
    border-radius: 12px;
}

/* Post Image */
.ymca-ig-feed__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ymca-ig-feed__item:hover .ymca-ig-feed__image,
.ymca-ig-feed__item:focus .ymca-ig-feed__image {
    transform: scale(1.05);
}

/* Video/Carousel Icon */
.ymca-ig-feed__icon {
    position: absolute;
    top: 10px;
    right: 10px;
    color: #fff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
    pointer-events: none;
}

/* Hover Overlay */
.ymca-ig-feed__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ymca-ig-feed__item:hover .ymca-ig-feed__overlay,
.ymca-ig-feed__item:focus .ymca-ig-feed__overlay {
    opacity: 1;
}

/* Caption Text */
.ymca-ig-feed__caption {
    color: #fff;
    font-size: 13px;
    line-height: 1.4;
    text-align: center;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

/* Empty State */
.ymca-ig-feed__empty {
    grid-column: 1 / -1;
    padding: 40px 20px;
    text-align: center;
    color: #666;
    font-style: italic;
}

/* Responsive: Tablet */
@media (max-width: 1024px) {
    .ymca-ig-feed {
        grid-template-columns: repeat(
            calc(var(--ymca-ig-columns, 4) - 1),
            1fr
        );
    }
}

/* Responsive: Large Mobile */
@media (max-width: 768px) {
    .ymca-ig-feed {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Hover Overlay */
    .ymca-ig-feed__overlay {
        display: none;
    }

    .ymca-ig-feed__item:hover .ymca-ig-feed__image,
    .ymca-ig-feed__item:focus .ymca-ig-feed__image {
        transform: none;
    }
}

/* Responsive: Small Mobile */
@media (max-width: 480px) {
    .ymca-ig-feed {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .ymca-ig-feed__icon {
        top: 5px;
        right: 5px;
    }
    
    .ymca-ig-feed__icon svg {
        width: 18px;
        height: 18px;
    }
    
    /* .ymca-ig-feed__overlay {
        padding: 10px;
    } */
    
    .ymca-ig-feed__caption {
        font-size: 11px;
        -webkit-line-clamp: 3;
    }
}

/* Focus styles for accessibility */
.ymca-ig-feed__item:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.ymca-ig-feed__item:focus:not(:focus-visible) {
    outline: none;
}

.ymca-ig-feed__item:focus-visible {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}