claude-code - 💡(How to fix) Fix [BUG] Sidebar resize handle hover causes chat content clipping (macOS, v1.3109.0)

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Error Message

Error Messages/Logs

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 hovering over the right edge of the sidebar (the resize handle), the chat content area is visually clipped — content on the left side of the chat panel is cut off. The clipping persists as long as the cursor is near the resize handle. Closing the sidebar entirely removes the issue.

What Should Happen?

No visual change should occur when hovering over the sidebar resize handle. Chat content should remain fully visible at all times.

Error Messages/Logs

Steps to Reproduce

  1. Open Claude for Mac with sidebar visible
  2. Hover cursor over the right edge of the sidebar (resize handle)
  3. Chat content clips immediately — no click needed

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

Before the new GUI

Claude Code Version

Claude for Mac 1.3109.0 (35cbf6)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Other

Additional Information

<img width="1590" height="962" alt="Image" src="https://github.com/user-attachments/assets/9c394230-6e32-4343-81a1-865561070c6d" />

extent analysis

TL;DR

The issue can likely be resolved by adjusting the CSS styles or layout management of the sidebar and chat content area to prevent visual clipping when hovering over the resize handle.

Guidance

  • Review the CSS styles applied to the sidebar and chat content area to identify any rules that may be causing the clipping issue, particularly those related to overflow, width, or padding.
  • Inspect the HTML structure of the sidebar and chat content area to ensure that the elements are properly nested and that there are no unexpected margins or padding that could be contributing to the clipping.
  • Consider adding a CSS rule to specifically target the hover state of the resize handle and adjust the layout or styles of the chat content area accordingly to prevent clipping.
  • Verify that the issue is indeed a regression by comparing the current implementation with the previous version that worked as expected.

Example

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

Notes

The provided information suggests a visual rendering issue rather than a functional bug, which may be related to the new GUI changes. Without access to the specific CSS styles or HTML structure, it's challenging to provide a precise fix.

Recommendation

Apply a workaround by adjusting the CSS styles or layout management of the affected areas, as the root cause seems to be related to the visual rendering and layout rather than a functional issue that would require an upgrade to a fixed version.

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claude-code - 💡(How to fix) Fix [BUG] Sidebar resize handle hover causes chat content clipping (macOS, v1.3109.0)