Add background color to #main in loader styles to prevent white flash
while app CSS loads after WASM initialization.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Shows a themed spinner overlay while the large WASM bundle downloads,
improving perceived load time on slower connections.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
liamwarfield