:root { --tools-nav-height: 52px; }
.tools-navigation { position: sticky; top: 0; height: var(--tools-nav-height); z-index: 100; background: #fff; }
.tools-navigation iframe { position: absolute; top: 0; left: 0; width: 100%; height: var(--tools-nav-height); border: 0; }
#root { height: calc(100vh - var(--tools-nav-height)); }
/* The packaged app still contains its former copy; only the shared site nav is shown. */
#root .ai3d-page > .nav,
#root .ai3d-page > .ai3d-legacy-nav { display: none !important; }
#root .ai3d-page { min-height: calc(100vh - var(--tools-nav-height)); }