.sideBar {
    view-transition-name: main-header;
    contain: layout;
}

@keyframes fade-in {
    from { opacity: 0; }
}

@keyframes fade-out {
    to { opacity: 0; }
}

@keyframes slide-from-right {
    from { transform: translateX(100dvw); }
}

@keyframes slide-to-left {
    to { transform: translateX(-100dvw); }
}

::view-transition-old(root) {
    animation: 90ms cubic-bezier(0.4, 0, 1, 1) both,
    300ms cubic-bezier(0.4, 0, 0.2, 1) both slide-to-left;
}

::view-transition-new(root) {
    animation: 210ms cubic-bezier(0, 0, 0.2, 1) 90ms both,
    300ms cubic-bezier(0.4, 0, 0.2, 1) both slide-from-right;
}