Found while testing #8851
Pre-condition:
Highlight checkbox is checked
Steps to reproduce:
- Open from file in the Molecules mode: Nucleotide preset
- Open Monomer Creation Wizard and select 'Nucleotide (preset)'
- Define any preset component (for instance, base)
- Switch to a tab other than the previously defined component's tab (for example, the Sugar tab)
- Observe the highlighting of the previously defined component
Actual Result:
Component is highlighted with a grey shading

Expected Result:
Component is highlighted with a fluorescent blue outline when its tab is not active
Refer to the mockups in #8851
Found in Environment:
- Ketcher Version 3.14.0-rc.1 Build at 2026-03-02; 15:10:01
- Indigo Version 1.42.0-rc.1.0-g7b8e9cfc9-wasm32-wasm-clang-19.0.0
- Chrome Version 146.0.7680.31 (Official Build) (64-bit)
- Win11