fix: isolate root stacking context so internal z-indexes stay inside the browser#61
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CahidArda
approved these changes
Jul 3, 2026
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Tab scroll shadows (z-10) and dragged tabs (z-50) stacked above the embedding page's own elements, like the console's sticky navbar on database details. Adding
isolation: isolateon the root element contains every internal z-index. Portaled overlays (dialogs, popovers, toasts) are unaffected since they render outside the root.Also scopes the playground shell under
ups-dbso the credentials form is styled on Vercel previews: every selector in the css bundle is prefixed with.ups-db, and the form rendered outside of it, showing up completely unstyled.Reproduced with an overflowing tab strip and a console-style sticky navbar (z-10) overlapping the tab bar: