/* One viewport owner for the shell, composer and navigation. */
body.chatin-mobile-workbench-active .mh5{box-sizing:border-box}
body.chatin-mobile-workbench-active .mh5 .mh5-navigation{position:absolute;bottom:0}

/* Keep the conversation usable when the keyboard or landscape limits height. */
@media (max-height: 500px) {
    body.chatin-mobile-workbench-active .mh5 { --h5-unit: calc(min(100vw, 430px) / 430); }
}