style(design): apply Minimal Dark Mode design system\n\n- Switched to complete Dark Mode (OLED-friendly)\n- Established standard color palette matching modern technical aesthetics\n- Changed font to Plus Jakarta Sans for increased legibility\n- Enforced dark mode as default in App.tsx\n- Fixed several React cascading render (setState in useEffect) warnings

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,29 +1,29 @@
----
-name: 💡 Feature Request
-about: Suggest an idea for this project
-title: '[Feature] '
-labels: enhancement
-assignees: ''
----
-
-## Is your feature request related to a problem?
-
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-## Describe the solution you'd like
-
-A clear and concise description of what you want to happen.
-
-## Describe alternatives you've considered
-
-A clear and concise description of any alternative solutions or features you've considered.
-
-## Additional context
-
-Add any other context or screenshots about the feature request here.
-
-## Are you willing to contribute?
-
-- [ ] Yes, I'd like to implement this feature
-- [ ] Yes, I can help with testing
-- [ ] No, I'm just suggesting
+---
+name: 💡 Feature Request
+about: Suggest an idea for this project
+title: '[Feature] '
+labels: enhancement
+assignees: ''
+---
+
+## Is your feature request related to a problem?
+
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+## Describe the solution you'd like
+
+A clear and concise description of what you want to happen.
+
+## Describe alternatives you've considered
+
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Additional context
+
+Add any other context or screenshots about the feature request here.
+
+## Are you willing to contribute?
+
+- [ ] Yes, I'd like to implement this feature
+- [ ] Yes, I can help with testing
+- [ ] No, I'm just suggesting