body {
    font-family: Arial;
    background: #121212;
    color: white;
    display: flex;
    justify-content: center;
    padding: 40px;
}

.container {
    display: flex;
    gap: 40px;
}

.player, .playlist {
    width: 300px;
    background: #1e1e1e;
    padding: 15px;
    border-radius: 10px;
}

button {
    margin: 5px;
    padding: 10px;
    cursor: pointer;
}

.track { padding: 10px; cursor: pointer; }
.track:hover { background: #2a2a2a; }

.active {
    background: #1db954;
    color: black;
}

input[type="range"] {
    width: 100%;
    margin-top: 10px;
}