/* === Casa Gallery Frontend === */

.casa-gallery {
    max-width: 1200px;
    margin: 0 auto;
}

.casa-gallery-empty {
    text-align: center;
    color: #888;
    padding: 40px 20px;
    font-size: 16px;
}

/* Folder grid */
.casa-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.casa-gallery-folder {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    outline: none;
}

.casa-gallery-folder:hover,
.casa-gallery-folder:focus-visible {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

.casa-gallery-folder-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f0f0f0;
}

.casa-gallery-folder-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.casa-gallery-folder:hover .casa-gallery-folder-img img {
    transform: scale(1.05);
}

.casa-gallery-folder-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
}

.casa-gallery-folder-name {
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* === Lightbox === */

.casa-gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
}

.casa-gallery-lb-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    z-index: 10;
    line-height: 1;
    padding: 4px 8px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.casa-gallery-lb-close:hover {
    opacity: 1;
}

.casa-gallery-lb-title {
    position: absolute;
    top: 18px;
    left: 20px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    z-index: 10;
    opacity: 0.9;
}

.casa-gallery-lb-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 14px;
    z-index: 10;
    opacity: 0.8;
}

.casa-gallery-lb-prev,
.casa-gallery-lb-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.12);
    border: none;
    color: #fff;
    font-size: 28px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.casa-gallery-lb-prev:hover,
.casa-gallery-lb-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.casa-gallery-lb-prev {
    left: 16px;
}

.casa-gallery-lb-next {
    right: 16px;
}

.casa-gallery-lb-image-wrap {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.casa-gallery-lb-image {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    display: block;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.casa-gallery-lb-image.loaded {
    opacity: 1;
}

.casa-gallery-lb-video {
    max-width: 90vw;
    max-height: 85vh;
    display: block;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.casa-gallery-lb-video.loaded {
    opacity: 1;
}

/* Spinner */
.casa-gallery-lb-spinner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: casa-gallery-spin 0.7s linear infinite;
}

.casa-gallery-lb-spinner.hidden {
    display: none;
}

@keyframes casa-gallery-spin {
    to {
        transform: rotate(360deg);
    }
}

/* === Responsive === */

@media (max-width: 768px) {
    .casa-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 16px;
    }

    .casa-gallery-lb-prev,
    .casa-gallery-lb-next {
        width: 40px;
        height: 40px;
        font-size: 22px;
    }

    .casa-gallery-folder-name {
        padding: 10px 12px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .casa-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .casa-gallery-lb-prev,
    .casa-gallery-lb-next {
        display: none;
    }

    .casa-gallery-folder-name {
        padding: 8px 10px;
        font-size: 13px;
    }
}