*Steps to reproduce:*
#  Create a new Unity Project
#  Open the Accessibility Hierarch Viewer window at (menu: Window > Accessibility > Accessibility Viewer)
#  Use the middle line divider to horizontally resize the Hierarchy and Inspector sections
# Observe the result when shrinking one of the sections

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*Actual results:* There is no minimum width limit, sections can be resized to zero width

*Expected results:* There should be a minimum width to maintain usability and readability

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*Reproducible with versions:* 6000.0.50f1, 6000.1.8f1, 6000.2.0b4

*Can’t test with versions:* 2022.3.61f1 (Accessibility option not available)

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*Tested on (OS):* macOS 15.5