Post 7.0 quick wins

[RachelRVasquez]

All Submissions:

• Have you followed the Contributing guidelines?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Tackles "quick wins" post 7.0 launch that we can merge/deploy pretty safely without having to wait for other features to be implemented:

• Updated Github workflow so the /build folder is committed regardless of what the .gitignore says. It already has logic to avoid running npm ci if the package-lock.json is either not in the incoming merge or matches what's on master. This file isn't something that should ever change anyway unless we're updating/changing dependencies.
• RTL: Chevron that points right in header sub-menus has been updated to point left for RTL languages
• Mobile: Hamburger menu button had a border. That's been removed.
• Color Schemes: Updated Cocoa Ash to dark scheme. Added another one called Gotham.
• Widgets: Styling has been reviewed and updated if they looked off. Mostly the calendar widget. Added some minor styling to the sidebar itself.

How to test the changes in this Pull Request:

1. Mobile: Confirm that the hamburger menu icon/button no longer has a border
2. RTL: Switch your site to a RTL language and confirm that the header sub-menus now have arrows that point left
3. Widgets: Set up widgets in the sidebar and/or footer and confirm if they look good. The calendar widget might go beyond the container depending on the "grid" that's been set from customizer. Since it's a table, there's only so "flexible" it can be so for the sidebar, I've applied a style of overflow: hidden to hide any run off from the calendar.
4. Color Schemes: Check Cocoa Ash and Gotham schemes from Customizer. Are border colors, font colors, and links all readable?

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you successfully run tests with your changes locally?

Changelog entry

Improve navigation/UI behavior and styling (sticky nav border, mobile toggle border removal, RTL submenu chevron direction). Updated color schemes including one new one. Refined widget/footer/sidebar styling.

[Copilot]

Pull request overview

This PR applies a set of small post-7.0 theme “quick wins” focused on visual polish (typography/underlines, navigation, widgets), RTL correctness, and adding/updating color schemes, plus a workflow tweak to ensure built assets are committed.

Changes:

• Standardize link underline styling (increase text-underline-offset to 3px) across multiple theme areas.
• Improve navigation/UI behavior and styling (sticky nav border, mobile toggle border removal, RTL submenu chevron direction).
• Update color schemes (adjust existing palettes, enable Cocoa Ash as a dark scheme, add Gotham) and refine widget/footer/sidebar styling.

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
src/scss/structure/_masthead.scss	Adjust underline offset for masthead links.
src/scss/structure/_header.scss	Header/nav styling updates (underline offset, sticky border, member nav tweaks, mobile toggle border removal).
src/scss/structure/_footer.scss	Footer widgets styling updates (overflow handling, calendar link color).
src/scss/structure/_content.scss	Adjust underline offset for entry meta/footer links.
src/scss/components/_widgets.scss	Sidebar/widget container restyling and calendar widget/block refinements.
src/scss/components/_grid-list.scss	Adjust underline offset for grid/list links.
src/scss/components/_comments.scss	Adjust underline offset for comment reply cancel link.
src/scss/base/_base.scss	Global underline offset + list/table/pre styling tweaks.
src/scss/abstracts/_mixins.scss	Form element base background update.
inc/custom-walkers.php	RTL-aware chevron selection for nested submenu toggles.
inc/colors.php	Update existing schemes, enable Cocoa Ash, add Gotham, adjust brightness helper formatting.
.github/workflows/build-theme-files.yml	Force-add build/ to commits (bypass .gitignore).

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