removing unused imports, creating a file for global decelaration

package-lock.json

@@ -31,6 +31,7 @@
         "@types/node": "^24.0.10",
         "@types/react": "^19.1.8",
         "@types/react-dom": "^19.1.6",
+        "@types/stylis": "^4.2.7",
         "@typescript-eslint/eslint-plugin": "^8.35.1",
         "@typescript-eslint/parser": "^8.35.1",
         "@vitejs/plugin-react": "^4.5.2",
@@ -1882,6 +1883,13 @@
         "@types/react": "*"
       }
     },
+    "node_modules/@types/stylis": {
+      "version": "4.2.7",
+      "resolved": "https://registry.npmjs.org/@types/stylis/-/stylis-4.2.7.tgz",
+      "integrity": "sha512-VgDNokpBoKF+wrdvhAAfS55OMQpL6QRglwTwNC3kIgBrzZxA4WsFj+2eLfEA/uMUDzBcEhYmjSbwQakn/i3ajA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.35.1",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.35.1.tgz",