Implement better theme and refactored pages

package-lock.json

@@ -17,8 +17,10 @@
         "clsx": "^2.1.1",
         "lucide-react": "^0.511.0",
         "next": "15.3.2",
+        "next-themes": "^0.4.6",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
+        "sonner": "^2.0.3",
         "tailwind-merge": "^3.3.0"
       },
       "devDependencies": {
@@ -4991,6 +4993,15 @@
         }
       }
     },
+    "node_modules/next-themes": {
+      "version": "0.4.6",
+      "resolved": "https://registry.npmjs.org/next-themes/-/next-themes-0.4.6.tgz",
+      "integrity": "sha512-pZvgD5L0IEvX5/9GWyHMf3m8BKiVQwsCMHfoFosXtXBMnaS0ZnIJ9ST4b4NqLVKDEm8QBxoNNGNaBv2JNF6XNA==",
+      "peerDependencies": {
+        "react": "^16.8 || ^17 || ^18 || ^19 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17 || ^18 || ^19 || ^19.0.0-rc"
+      }
+    },
     "node_modules/next/node_modules/postcss": {
       "version": "8.4.31",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
@@ -5798,6 +5809,15 @@
         "is-arrayish": "^0.3.1"
       }
     },
+    "node_modules/sonner": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/sonner/-/sonner-2.0.3.tgz",
+      "integrity": "sha512-njQ4Hht92m0sMqqHVDL32V2Oun9W1+PHO9NDv9FHfJjT3JT22IG4Jpo3FPQy+mouRKCXFWO+r67v6MrHX2zeIA==",
+      "peerDependencies": {
+        "react": "^18.0.0 || ^19.0.0 || ^19.0.0-rc",
+        "react-dom": "^18.0.0 || ^19.0.0 || ^19.0.0-rc"
+      }
+    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",