Two follow-ups to the prior sidebar/footer cleanup:
- The "_hidden" section header was still visible in the sidebar
because Streamlit renders ``stNavSectionHeader`` as a sibling of
``stNavSection``, not a child — so the ``:has()`` rule on the
section was hiding the items list but leaving the header
(and its collapse/drilldown marker) behind. Move Activate +
Close into the unlabeled section (key ``""``) alongside Home so
there is no header to leak in the first place, then hide just
the two links via ``stSidebarNavLinkContainer:has(...)`` (with
a defensive ``a[href$=...]`` fallback for browsers without
``:has()`` support).
- The sticky footer was missing on ``pages/_Activate.py`` because
the page never called ``render_sticky_footer`` — added the
call so the Help / Close bar persists when the user follows
the popover's Activate / Manage link.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Michael
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