Prevent hidden tooltips from causing horizontal overflow - #72
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pelcasandra
marked this pull request as ready for review
August 12, 2026 03:04
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Summary
Root cause
The copy tooltips used
visibility: hidden, but their absolutely positioned boxes still contributed to horizontal overflow. At an 880 px viewport, the document width expanded to 966 px even though the visible article content fit the viewport.Impact
Guide pages no longer expose an unintended horizontal scrollbar at intermediate responsive widths. Copy confirmation tooltips remain visible during their active animation.
Validation
scrollWidth === innerWidthfrom 810 px through 1440 px, including the reported 880 px viewportscrollX = 0yarn build, including the security-header verification