Fix notebook-view cell numbers illegible in dark mode - #2194
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Bootstrap's $pre-color defaults to near-black regardless of theme, and quarto-cli's own .cell-decorator reset only clears the pre background, not its text color. Set $pre-color: inherit, the same override Bootswatch's own dark themes (darkly, cyborg) already carry. Upstream: quarto-dev/quarto-cli#14932
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…2197) Bootstrap's $pre-color defaults to near-black regardless of theme, and quarto-cli's own .cell-decorator reset only clears the pre background, not its text color. Set $pre-color: inherit, the same override Bootswatch's own dark themes (darkly, cyborg) already carry. Upstream: quarto-dev/quarto-cli#14932 (cherry picked from commit 4348226) Co-authored-by: Charlotte Wickham <charlotte.wickham@posit.co>
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Summary
$pre-colordefaults to near-black regardless of theme; quarto-cli's.cell-decoratorreset clears theprebackground but not its text color, so notebook-view cell numbers (In [1]:, etc.) are ~1.15:1 contrast in dark mode.$pre-color: inherit, matching Bootswatch's own dark themes (darkly, cyborg).E.g. on https://quarto.org/docs/authoring/penguins-preview.html the light mode includes visible cell numbers:
And the dark one does not:
Test plan
color-contrast :: #000000 on #151515reduced 26 → 15 instances (the remaining 15 are unrelated third-party dygraph axis labels onhtmlwidgets.html); zero new/worse findings across all 303 signaturesdocs/authoring/penguins-preview.htmlin dark mode in the preview