#music-player {
    position: fixed;
    bottom: 22px;
    right: 22px;
    z-index: 9999;
}

#music-toggle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: var(--custom-accent);
    color: white;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .35s ease;
}

#music-toggle:hover {
    transform: scale(1.08) rotate(8deg);
    box-shadow: 0 15px 35px rgba(0,0,0,0.35);
}

#music-toggle.playing {
    animation: musicPulse 2.2s infinite ease-in-out;
}

@keyframes musicPulse {
    0% { box-shadow: 0 0 0 0 var(--custom-accent); }
    70% { box-shadow: 0 0 0 15px rgba(0,0,0,0); }
    100% { box-shadow: 0 0 0 0 rgba(0,0,0,0); }
}

@media (max-width: 600px) {
    #music-player {
        bottom: 100px;
        right: 18px;
    }
    #music-toggle {
        width: 46px;
        height: 46px;
        font-size: 16px;
    }
}