- Drawer uses the M3 width (up to 360px) so the appearance picker fits;
segmented buttons get equal widths and swatches no longer shrink.
- Dividers separate the drawer groups, so section headings no longer
read as nav items.
- Sidebar forms in the drawer (e.g. activity filters) line up with the
nav labels, fields stack under their label, checkbox rows align.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Core's responsive.css shifts #wrapper and #header aside when the flyout
opens. Make it an M3 modal drawer: fixed over the page with a scrim that
closes it on tap via core's existing #main click handler.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
