fix(stats): portal chart tooltips out of transformed dashboard tiles - #153
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The stats dashboard tiles are react-grid-layout items, which carry a CSS transform. A transformed ancestor becomes the containing block for position:fixed descendants and opens its own stacking context, so the mouse-anchored tooltips in the activity heatmap, hour-by-day heatmap, and timeline ribbon rendered far from the cursor and behind sibling tiles (#151). Render them through createPortal into document.body so viewport coordinates and z-index apply again. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Fixes #151.
The stats dashboard tiles are react-grid-layout items, which carry a CSS
transform. A transformed ancestor becomes the containing block forposition: fixeddescendants and opens its own stacking context, so the mouse-anchored tooltips inside tiles were positioned relative to the tile instead of the viewport (tooltip far from the cursor, first screenshot in the issue) and could not escape the tile's z-order (tooltip behind neighbouring tiles, second screenshot).Affected all three mouse-anchored chart tooltips:
shared.tsx)HourDowHeatmap.tsx)TimelineRibbon.tsx)They now render through
createPortalintodocument.body, restoring viewport-relative positioning and z-index. No visual or behavioural change outside the broken cases.Verified with Playwright against the showcase: all three tooltips render at the cursor (+12/-44 px offset as designed) and on top of adjacent tiles.