body {
    background: linear-gradient(to right, #141e30, #243b55);
    color: #ffffff;
    font-family: Arial, sans-serif;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.playlist {
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#playlist {
    margin-top: 10px;
}

#playlist .list-group-item {
    background: #2b3a52;
    color: #ffffff;
    border: none;
    cursor: pointer;
}

#playlist .list-group-item.active {
    background: #1db954;
    color: #000;
}

.playlist {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.list-group-item.active {
    background-color: #0d6efd;
    color: #fff;
    font-weight: bold;
}
.progress-container {
    margin-top: 20px;
    background: #f1f1f1;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

footer {
    position: relative;
    bottom: 0;
    width: 100%;
    font-size: 14px;
}