.spl-container {
    max-width: 350px;
    margin: 20px auto;
    padding: 15px;
    background: #fff;
    font-family: 'Segoe UI', sans-serif;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.spl-album-art {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.spl-message {
    font-size: 14px;
    margin: 8px 0 6px;
    color: #222;
}

.spl-controls {
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    gap: 5px;
}

.spl-controls button {
    background: transparent;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 20px;
    padding: 4px 10px;
    cursor: pointer;
    transition: background 0.2s;
}

.spl-controls button:hover {
    background: #159b40;
}

#seekbar {
    width: 100%;
    margin-top: 8px;
    appearance: none;
    height: 5px;
    border-radius: 4px;
    background: #ccc;
    outline: none;
}

#seekbar::-webkit-slider-thumb {
    appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #1db954;
    cursor: pointer;
}

#volumeControl {
    width: 100%;
    margin-top: 6px;
    height: 4px;
}