fix(gitlab): prevent host styles from breaking Ollama CORS code blocks

[cursor]

Issue Description

Fix for preventing GitLab host styles from breaking the Ollama CORS code blocks rendering in the integrated review panel.

Changes

• Add defensive pre/code reset under #gitlab-mr-integrated-review to prevent cascading styles from the host page (e.g., GitLab Pajamas)
• Use !important on .thinkreview-ollama-cors-code backgrounds and text colors so GitLab rules cannot win the cascade in dark mode

Details

CSS Updates

• Added defensive reset rules for pre and code elements under the #gitlab-mr-integrated-review container
• Applied !important to background colors and text colors in both light and dark mode
• Ensures extension styles take precedence over GitLab's styling

Files Modified

• components/integrated-review.css

Related PR

Addresses changes in PR #235

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Assigned to: @mshenawy22