Autocomplete matched text in SQL Lab is unreadable in dark theme (black on black)

[sfirke]

Version 6.0.0rc2

Screenshot

Here I've typed "test" in my SQL Lab in dark theme. The letters of the matched objects are invisible b/c they're black text on black background:

Here's the same thing on light theme:

[dosubot]

This is a known issue caused by the autocomplete dropdown in SQL Lab using Ace Editor's static light theme, which doesn't adapt to Superset's dark mode. As a result, the matched text appears black on a black background in dark theme. The relevant styling is handled in the AceEditorWrapper and AsyncAceEditor components, but currently, there is no CSS override for the autocomplete text color in dark mode, nor does the Ace theme change dynamically with Superset's theme. This leads to the unreadable autocomplete text you’re seeing. Using theme tokens for text color, as done in other recent dark mode fixes, would resolve this issue, but it hasn't been implemented for the autocomplete dropdown yet. For reference, see the related discussion and code details here and here.

To reply, just mention @dosu.

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