claude-code - 💡(How to fix) Fix [BUG] Sidebar overlaps chat area instead of resizing on expand — Claude Desktop (macOS) [1 participants]

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anthropics/claude-code#52846Fetched 2026-04-25 06:19:20
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Error Message

Error Messages/Logs

Fix Action

Fix / Workaround

When the left sidebar is expanded, the chat window content is partially hidden/overlapped by the sidebar instead of the layout resizing to accommodate it. Manually resizing the app window forces a layout recalculation as a workaround.

Workaround: Manually resizing the app window fixes it temporarily. However, this may present challenges on smaller screen sizes, particularly when using a multi-window view.

Code Example

Actual behaviour: Sidebar overlaps the chat content
RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

When the left sidebar is expanded, the chat window content is partially hidden/overlapped by the sidebar instead of the layout resizing to accommodate it. Manually resizing the app window forces a layout recalculation as a workaround.

<img width="1233" height="296" alt="Image" src="https://github.com/user-attachments/assets/16fc9b22-3742-43bf-8cd3-38f395cc4a72" />

What Should Happen?

Expected behaviour: Chat area resizes when sidebar expands

Error Messages/Logs

Actual behaviour: Sidebar overlaps the chat content

Steps to Reproduce

Steps to reproduce:

  1. Open Claude Desktop on macOS
  2. Expand the left sidebar
  3. Observe that chat content is obscured rather than the chat area resizing

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

Claude Sonnet 4.6

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

Workaround: Manually resizing the app window fixes it temporarily. However, this may present challenges on smaller screen sizes, particularly when using a multi-window view.

extent analysis

TL;DR

The issue can likely be resolved by adjusting the layout management to properly handle the expansion of the left sidebar and resize the chat area accordingly.

Guidance

  • Review the CSS or layout management code to ensure it correctly handles the expanded state of the left sidebar and resizes the chat area.
  • Verify that the chat area's container has a dynamic width or flexbox setting to accommodate changes in the sidebar's width.
  • Check for any fixed width or height settings that might prevent the chat area from resizing properly when the sidebar expands.
  • Consider adding a listener for the sidebar's expansion event to trigger a layout recalculation.

Example

No specific code example can be provided without knowing the exact layout management system used, but ensuring that the chat area's container has a setting like width: auto or uses a flexbox layout could help.

Notes

The provided information does not specify the exact layout management system or technologies (e.g., CSS, JavaScript framework) used in the Claude Code application, which limits the ability to provide a precise fix.

Recommendation

Apply a workaround by manually triggering a layout recalculation when the sidebar is expanded, as the root cause seems related to how the application handles layout adjustments dynamically.

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claude-code - 💡(How to fix) Fix [BUG] Sidebar overlaps chat area instead of resizing on expand — Claude Desktop (macOS) [1 participants]