Add Stygia 2.1.1 (dark theme for phpMyAdmin 6.0)

[horaciodominguez]

Summary

Adds Stygia 2.1.1, a dark theme for phpMyAdmin 6.0 (CSS/image only, no theme JavaScript).

• Deep green accent palette with WCAG AA contrast targets
• One Dark Pro colors on typed browse/insert cells and CodeMirror SQL
• Underline tabs (nav-pills) instead of green CTA pills; pill shape reserved for Go/Save
• Full RTL via rtlcss(theme.css) + Stygia overrides
• Local Inter + JetBrains Mono (woff2); dark jQuery UI pack for datepicker/dialogs
• MIT licensed

Upstream development repo: https://github.com/horaciodominguez/stygia

Requirements

• phpMyAdmin 6.0 (supports: ["6.0"], colorModes: ["dark"])
• Compiled css/theme.css and css/theme.rtl.css are included; SCSS sources and package.json are bundled for rebuilds

Install

1. Copy stygia/ into phpMyAdmin/themes/
2. Appearance Settings → Theme → Stygia

Test plan

• Login screen (branded lockup)
• Browse table with typed cell colors
• Structure / SQL tabs
• Insert row + datepicker
• Privileges form layout
• Console expand/collapse
• RTL language (SQL stays LTR)

Maintained by Horacio Dominguez (@horaciodominguez).