.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
}
.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.playlist-container {
    max-height: 500px;
    overflow-y: auto;
    border-left: 1px solid #ddd;
    padding-left: 15px;
}
.playlist-item {
    display: flex;
    align-items: center;
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s;
}
.playlist-item:hover {
    background-color: #f8f9fa;
}
.playlist-item.active {
    background-color: #e9ecef;
    font-weight: bold;
}
.playlist-item img {
    width: 80px;
    height: 45px;
    object-fit: cover;
    margin-right: 10px;
}
.playlist-item .title {
    font-size: 0.9rem;
    margin-bottom: 0;
}
.playlist-item .description {
    font-size: 0.8rem;
    color: #6c757d;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
@media (max-width: 768px) {
    .playlist-container {
        border-left: none;
        padding-left: 0;
        margin-top: 20px;
    }
}