[BUG]: too much padding on mobile in primary session pane (web/app)

[DNGriffin]

Description

See padding area in red:

Plugins

No response

OpenCode version

No response

Steps to reproduce

No response

Screenshot and/or share link

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Operating System

iOS

Terminal

No response

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• web: mobile layout could be tighter #10919: web: mobile layout could be tighter - Reports excessive dead space in tabs and headers, plus element overlap in chat box on mobile
• Poor mobile web experience. #7990: Poor mobile web experience - Covers horizontal scrolling, bottom gaps, and icon/input overlap issues on mobile
• TUI has too much padding everywhere and unnecessary large height elements #9955: TUI has too much padding everywhere - Similar padding optimization issue (affects TUI)
• web: mobile & touch devices cannot access context details #10443: web: mobile & touch devices cannot access context details - Mobile-specific responsive design problems
• User message box overflows horizontally on mobile viewports #6200: User message box overflows horizontally on mobile viewports - Mobile-specific CSS layout breaking
• [FEATURE]: Very little place for agent answer on a small screen #5277: Very little place for agent answer on a small screen - Small screen space utilization issue

Feel free to ignore if your specific case differs from these issues, or if your issue is focused on a different mobile device or viewport configuration.