claude-code - 💡(How to fix) Fix [BUG] Mac desktop app: Black overlay from sidebar covers chat content [2 comments, 3 participants]

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anthropics/claude-code#52087Fetched 2026-04-23 07:36:54
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Error Message

Error Messages/Logs

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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?

In the Mac desktop app, the left sidebar renders a black overlay that bleeds into the chat panel, covering the left portion of chat messages. The text is partially visible but cut off, making it impossible to read the full conversation.

This has been happening for several versions.

What Should Happen?

The chat content should be fully visible without any overlay from the sidebar. The sidebar and chat panel should render in their respective areas without overlap.

Error Messages/Logs

Steps to Reproduce

  1. Open the Claude Code desktop app on macOS
    1. Open any conversation
    1. Observe that the left side of the chat panel is covered by a black overlay from the sidebar background The issue is persistent across all conversations and occurs immediately on app launch. Resizing the window sometimes temporarily reduces the effect.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

latest (desktop app for Mac)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue can likely be resolved by adjusting the CSS styling or layout of the left sidebar and chat panel to prevent overlap.

Guidance

  • Verify that the issue is not caused by a conflicting CSS rule or override by inspecting the element styles in the browser developer tools.
  • Check the layout and positioning of the sidebar and chat panel elements to ensure they are correctly defined and do not overlap.
  • Test resizing the window to see if the issue is related to a responsive design or media query.
  • Review previous versions of the code to identify any changes that may have introduced the regression.

Example

No code example is provided as the issue does not include specific code snippets or details about the implementation.

Notes

The issue may be related to a change in the CSS or layout of the application, but without more information or code snippets, it is difficult to provide a specific solution.

Recommendation

Apply a workaround by adjusting the CSS styling or layout of the left sidebar and chat panel to prevent overlap, as the root cause of the issue is likely related to a design or layout change.

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