#gal-page {
    view-transition-name: gal-page;
    min-width: 0;
}

#gal-navigation-progress {
    --gal-navigation-progress: 0%;
    position: fixed;
    inset: 0 0 auto;
    z-index: 2147483000;
    width: 100%;
    height: 3px;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    transition: opacity 100ms ease;
}

#gal-navigation-progress::before {
    content: '';
    display: block;
    width: var(--gal-navigation-progress);
    height: 100%;
    border-radius: 0 999px 999px 0;
    background: var(--heo-main, #ff77a8);
    box-shadow: 0 0 10px color-mix(in srgb, var(--heo-main, #ff77a8) 55%, transparent);
    transition: width 150ms ease-out;
}

#gal-navigation-progress.is-active {
    opacity: 1;
}

#gal-navigation-progress.is-complete {
    opacity: 0;
    transition-delay: 70ms;
}

#gal-navigation-progress.is-error::before {
    background: #e5484d;
}

@keyframes gal-page-enter {
    from { opacity: 0.94; }
    to { opacity: 1; }
}

@keyframes gal-page-exit {
    from { opacity: 1; }
    to { opacity: 0.98; }
}

::view-transition-old(gal-page) {
    animation: 90ms ease-out both gal-page-exit;
}

::view-transition-new(gal-page) {
    animation: 130ms ease-out both gal-page-enter;
}

@media (prefers-reduced-motion: reduce) {
    ::view-transition-old(gal-page),
    ::view-transition-new(gal-page) {
        animation: none;
    }

    #gal-navigation-progress,
    #gal-navigation-progress::before {
        transition: none;
    }
}