ui improvements

package.json

@@ -6,25 +6,33 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint"
+    "lint": "eslint",
+    "test": "playwright test",
+    "test:ui": "playwright test --ui",
+    "test:debug": "playwright test debug.spec.ts --headed",
+    "test:headed": "playwright test --headed",
+    "test:report": "playwright show-report"
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.2",
-    "@radix-ui/react-accordion": "^1.2.12",
     "@radix-ui/react-checkbox": "^1.3.3",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-radio-group": "^1.3.8",
     "@radix-ui/react-select": "^2.2.6",
     "@radix-ui/react-slot": "^1.2.4",
+    "@tsparticles/react": "^3.0.0",
+    "@tsparticles/slim": "^3.9.1",
     "class-variance-authority": "^0.7.1",
     "lucide-react": "^0.562.0",
     "next": "16.1.4",
+    "next-themes": "^0.4.6",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "react-hook-form": "^7.71.1",
     "zod": "^4.3.5"
   },
   "devDependencies": {
+    "@playwright/test": "^1.57.0",
     "@shadcn/ui": "^0.0.4",
     "@tailwindcss/postcss": "^4",
     "@types/node": "^20",