.site-login-stack {
    position: fixed;
    right: var(--edge);
    bottom: var(--edge);
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.65rem;
}

.site-login-stack .site-login {
    position: static;
}

.site-music-toggle {
    appearance: none;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
}

.site-music-toggle:focus-visible {
    outline: 1px solid rgba(255, 255, 255, 0.75);
    outline-offset: 3px;
}

.site-music-wave {
    display: block;
    width: 1.55rem;
    height: 1.15rem;
    overflow: visible;
}

.site-music-wave .bar {
    fill: currentColor;
    transform-box: fill-box;
    transform-origin: center bottom;
}

.site-music.is-on .site-music-wave .bar-1 { animation: site-music-bar 1.05s ease-in-out infinite; }
.site-music.is-on .site-music-wave .bar-2 { animation: site-music-bar 0.82s ease-in-out 0.08s infinite; }
.site-music.is-on .site-music-wave .bar-3 { animation: site-music-bar 0.7s ease-in-out 0.04s infinite; }
.site-music.is-on .site-music-wave .bar-4 { animation: site-music-bar 0.9s ease-in-out 0.12s infinite; }
.site-music.is-on .site-music-wave .bar-5 { animation: site-music-bar 1.15s ease-in-out 0.16s infinite; }

.site-music-toggle::after {
    content: "";
    position: absolute;
    left: 18%;
    right: 18%;
    top: 50%;
    height: 2px;
    background: #fff;
    box-shadow: 0 0 0 1px rgba(5, 8, 18, 0.85);
    transform: rotate(-38deg) scaleX(0);
    transform-origin: center;
    pointer-events: none;
    transition: transform 0.16s ease;
}

.site-music.is-muted .site-music-toggle::after {
    transform: rotate(-38deg) scaleX(1);
}

.site-music-audio {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

@keyframes site-music-bar {
    0%,
    100% { transform: scaleY(0.42); }
    50% { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
    .site-music.is-on .site-music-wave .bar {
        animation: none;
    }

    .site-music-toggle::after {
        transition: none;
    }
}