.video-container {
    position: relative;
    width: 80%;
    max-width: 850px;
    margin: auto;
    background: black;
    padding: 10px;
    border-radius: 10px;
}
iframe {
    width: 100%;
    height: 450px;
    border-radius: 10px;
}
.video-title {
    font-size: 18px;
    font-weight: bold;
    margin-top: 10px;
}
/* Căn chỉnh vị trí nút gần video */
.controls {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    width: 80%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.arrow {
    cursor: pointer;
    font-size: 20px;
    background: rgb(20, 20, 20);
    padding: 5px 30px;
    border-radius: 5px;
    transition: 0.3s;
}
.arrow:hover {
    background: rgba(255, 255, 255, 0.5);
}
.video-list {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}
.video-list img {
    width: 120px;
    cursor: pointer;
    border-radius: 5px;
    transition: 0.3s;
}
.video-list img:hover {
    transform: scale(1.1);
}