claude-code - 💡(How to fix) Fix [BUG] Desktop App — Sidebar overlaps chat content without left margin (macOS) [1 comments, 2 participants]

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anthropics/claude-code#52150Fetched 2026-04-23 07:35:19
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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?

Bug Description

When the sidebar is open in the Claude Desktop App on macOS, it overlaps the chat content panel. The chat text starts at the very left edge of the remaining space (or even behind the sidebar), instead of having a proper left margin. This causes the beginning of each line to be hidden behind the sidebar.

What Should Happen?

Expected Behavior

The chat content should either:

  • Push to the right when the sidebar is open (like claude.ai in the browser), or
  • Have a sufficient left margin so text is never hidden behind the sidebar overlay.

Actual Behavior

The sidebar overlays the chat panel and cuts off the left side of the text content.

Error Messages/Logs

Steps to Reproduce

Steps to Reproduce

  1. Open Claude Desktop App on macOS
  2. Open the sidebar (⌘ + Shift + S or click the column icon)
  3. Open any existing conversation
  4. Observe that the chat text is partially hidden behind the sidebar

Claude Model

Other

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.117 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

<img width="1129" height="1064" alt="Image" src="https://github.com/user-attachments/assets/71a20da0-a00b-413b-8d14-193128155300" />
  • MacBook Pro 16-inch, 2019, 2,6 GHz 6-Core Intel Core i7 32 GB 2667 MHz DDR4 MacOS 26.5 Beta (25F5058e)

  • App: Claude Desktop App Version: Claude 1.3883.0 (93ff6c) 2026-04-21T17:24:01.000Z

extent analysis

TL;DR

The issue can be fixed by adjusting the CSS styles to add a sufficient left margin to the chat content panel when the sidebar is open.

Guidance

  • Verify that the issue is not related to the macOS beta version (26.5 Beta) by testing on a stable version of macOS.
  • Check the CSS styles applied to the chat content panel and sidebar to ensure that they are correctly calculated when the sidebar is open.
  • Consider adding a media query or a JavaScript event listener to adjust the left margin of the chat content panel when the sidebar is opened or closed.
  • Review the layout and positioning of the sidebar and chat content panel to ensure that they are correctly aligned and sized.

Example

/* Example CSS to add a left margin to the chat content panel when the sidebar is open */
.chat-content-panel {
  margin-left: 200px; /* adjust the value based on the sidebar width */
}

Notes

The provided information does not include the exact CSS styles or JavaScript code used in the Claude Desktop App, so the suggested fix is based on general web development principles. The issue may be specific to the Anthropic API or the Claude Code version used.

Recommendation

Apply a workaround by adjusting the CSS styles to add a sufficient left margin to the chat content panel when the sidebar is open, as this is a more feasible solution given the provided information.

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