Description
The OpenCode extension's UI components do not render correctly when using a dark theme in VS Code. It appears that the background color is hardcoded (likely to a light color) instead of being transparent or using the theme's CSS variables. This results in a visual clash that makes the text difficult to read and breaks the integration with the editor's aesthetic.

Plugins
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OpenCode version
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Steps to reproduce
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Screenshot and/or share link
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Operating System
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Terminal
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