Joplin UI: Pages / Search Page

"As a city author, I need the authoring experience to have a logical visual hierarchy so that I am better able to understand the **Pages / Search Page** interface." - A City Author

This is a broken out sub-section of the Joplin UI re-design.

- See Zenhub Epic: https://app.zenhub.com/workspaces/techstack-5a78b88e1ce69f3510b678ef/issues/cityofaustin/techstack/2968

#### Acceptance Criteria
- [ ] Matches styles from XD Design 👇
- https://xd.adobe.com/view/c533a077-9314-46a6-5db4-d4a7f8601e8f-b302/screen/808fa435-a321-40a9-b215-95ec08af75bc/Joplin-3-Phase-1-enhancements-Pages-tab
- [ ] Matches CSS for Themes and Colors from Google doc "Phase 1 acceptance criteria"👇
- See Pages Section: https://docs.google.com/document/d/1SdAro51Ppdi3Hirn1XkVviJ6nu89dDXtvvFKIX4T8t8/edit#heading=h.24g3sn7svd8b

#### Technical Acceptance Criteria
- [ ] Matches any new structural patterns implimented into the new Joplin UI
- [ ] Checks for and removes any dead-css no longer being used.

Start with the Pages / Search Page and compare its current implementation with the linked Adobe XD design and the Pages section of the Phase 1 acceptance criteria document. Apply the specified visual hierarchy, themes, colors, and new Joplin UI structural patterns, then verify that unused CSS is removed and all acceptance criteria are met.

Written by the indexing model from the issue text.