The LibreOffice Calc v26.2.5.1 using openSUSE Tumbleweed (Xfce + IndigoMagic style) has black input line for formula (black on black even in selection), black on black for sheet tab and cell position. I already figured out that in Options (LibreOffice - Appearance) the “Cell focus” is the background color for rulers. How can I edit the others? The GTK widget (entry, textview) color settings say it is supposed to be gray (#C1C1C1). Do you have suggestion?
Uploaded a screenshot with a dialog box to see the default system colors for input.
looks like generic vcl, not gtk 
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openSUSE Tumbleweed:
Linux localhost.localdomain 7.1.3-1-default #1 SMP PREEMPT_DYNAMIC Sat Jul 4 16:20:40 UTC 2026 (1cb5006) x86_64 x86_64 x86_64 GNU/Linux
LibreOffice:
Version: 26.2.5.1 (X86_64)
Build ID: 620(Build:1)
CPU threads: 2; OS: Linux 7.1; UI render: default; VCL: gtk3
Locale: en-US (en_US.utf8); UI: en-US
Calc: threaded
Update: other themes do not have this problem. There is probably a setting what is missing from IndigoMagic “gtk.css” file. I guess upon missing config the failsafe default is 0 what results the black color. It would be nice to know what widget is used for that input or where its features are inherited from (maybe notebook)? The solution might be:
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