Please help us help you and fill where relevant:
Your LimeSurvey version:  6.13.3+250512
Own server or LimeSurvey hosting: owne server
Survey theme/template:Fruity
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I have a few questions regarding the accessibility of survey themes/templates:
Are any of the built-in themes (e.g. Fruity, Bootswatch-based themes) officially WCAG 2.1 AA compliant?
If yes, is this documented anywhere (official statement, manual, accessibility report)?
If the default themes are not fully compliant, are there any ready-made themes (free or commercial) that are designed to meet WCAG 2.1 AA requirements and are compatible with current LimeSurvey versions?
Or is the recommended approach to customize an existing base theme manually (HTML/CSS, ARIA where needed) in order to achieve WCAG 2.1 compliance?
If so, are there any best practices, reference themes, or guidelines specifically recommended for LimeSurvey?

I’m especially interested in answers based on practical accessibility testing, such as testing with screen readers (NVDA, JAWS, VoiceOver), keyboard-only navigation, or automated WCAG audit tools.

Thank you in advance for any clarification or pointers.