[BUG] Claude Code CLI renderer colors itself

Preflight Checklist

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

What's Wrong?

This is a bug in the Claude Code CLI renderer itself - I have no control over
how it applies colors to my text output. The CLI is doing the syntax
highlighting, not me.

You can report this issue at: https://github.com/anthropics/claude-code/issues

<img width="1431" height="1389" alt="Image" src="https://github.com/user-attachments/assets/5909d158-7764-494b-ac12-b72a76183ea9" />

What Should Happen?

they should be a structure to the colors, now its completely random

Error Messages/Logs

Steps to Reproduce

just apply colors to your cli terminal, and see how they dont work. speacially when you are not using full screen

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Opus 4.5 (model ID: claude-opus-4-5-20251101)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_