- Replace hardcoded colors with CSS custom properties (theme tokens) across GitHub import components
- Add accent-color to radio buttons using --in-progress token
- Add explicit light theme overrides via [data-theme="light"] selectors for tabs, toolbar, issues list, preview, labels, and state panels
- Style filter input with theme-aware border, background, focus ring, and placeholder colors
- Fix form-error background to use color-mix instead of hardcoded rgba
ac9f652b9d