.imazsia-youtube-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 30px 0;
}
.video-item {
    cursor: pointer;
    transition: transform 0.2s ease;
    text-align: center;
}
.video-item img {
    width: 100%;
    border-radius: 8px;
}
.video-item:hover {
    transform: scale(1.02);
}
.video-title {
    margin-top: 10px;
    font-size: 16px;
    color: #333;
}

/* Lightbox */
.yt-lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.95);
    justify-content: center;
    align-items: center;
}
.yt-lightbox.active {
    display: flex;
}
.yt-popup {
    position: relative;
    max-width: 90%;
    max-height: 80%;
    background: #fff;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
    border-radius: 10px;
    overflow: hidden;
}
.yt-popup iframe {
    width: 100%;
    height: 400px;
}
.yt-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
}