Add theme integration and shadcn setup in internal_frontend

internal_frontend/package-lock.json

@@ -8,9 +8,14 @@
       "name": "internal_frontend",
       "version": "0.1.0",
       "dependencies": {
+        "class-variance-authority": "^0.7.1",
+        "clsx": "^2.1.1",
+        "lucide-react": "^0.525.0",
         "next": "15.3.4",
+        "next-themes": "^0.4.6",
         "react": "^19.0.0",
-        "react-dom": "^19.0.0"
+        "react-dom": "^19.0.0",
+        "tailwind-merge": "^3.3.1"
       },
       "devDependencies": {
         "@eslint/eslintrc": "^3",
@@ -21,6 +26,7 @@
         "eslint": "^9",
         "eslint-config-next": "15.3.4",
         "tailwindcss": "^4",
+        "tw-animate-css": "^1.3.4",
         "typescript": "^5"
       }
     },
@@ -2315,12 +2321,33 @@
         "node": ">=18"
       }
     },
+    "node_modules/class-variance-authority": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/class-variance-authority/-/class-variance-authority-0.7.1.tgz",
+      "integrity": "sha512-Ka+9Trutv7G8M6WT6SeiRWz792K5qEqIGEGzXKhAE6xOWAY6pPH8U+9IY3oCMv6kqTmLsv7Xh/2w2RigkePMsg==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "clsx": "^2.1.1"
+      },
+      "funding": {
+        "url": "https://polar.sh/cva"
+      }
+    },
     "node_modules/client-only": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/client-only/-/client-only-0.0.1.tgz",
       "integrity": "sha512-IV3Ou0jSMzZrd3pZ48nLkT9DA7Ag1pnPzaiQhpW7c3RbcqqzvzzVu+L8gfqMp/8IM2MQtSiqaCxrrcfu8I8rMA==",
       "license": "MIT"
     },
+    "node_modules/clsx": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.1.1.tgz",
+      "integrity": "sha512-eYm0QWBtUrBWZWG0d386OGAw16Z995PiOVo2B7bjWSbHedGl5e0ZWaq65kOGgUSNesEIDkB9ISbTg/JK9dhCZA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/color": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/color/-/color-4.2.3.tgz",
@@ -4499,6 +4526,15 @@
         "loose-envify": "cli.js"
       }
     },
+    "node_modules/lucide-react": {
+      "version": "0.525.0",
+      "resolved": "https://registry.npmjs.org/lucide-react/-/lucide-react-0.525.0.tgz",
+      "integrity": "sha512-Tm1txJ2OkymCGkvwoHt33Y2JpN5xucVq1slHcgE6Lk0WjDfjgKWor5CdVER8U6DvcfMwh4M8XxmpTiyzfmfDYQ==",
+      "license": "ISC",
+      "peerDependencies": {
+        "react": "^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/magic-string": {
       "version": "0.30.17",
       "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.17.tgz",
@@ -4707,6 +4743,16 @@
         }
       }
     },
+    "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==",
+      "license": "MIT",
+      "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",
@@ -5722,6 +5768,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/tailwind-merge": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/tailwind-merge/-/tailwind-merge-3.3.1.tgz",
+      "integrity": "sha512-gBXpgUm/3rp1lMZZrM/w7D8GKqshif0zAymAhbCyIt8KMe+0v9DQ7cdYLR4FHH/cKpdTXb+A/tKKU3eolfsI+g==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/dcastil"
+      }
+    },
     "node_modules/tailwindcss": {
       "version": "4.1.11",
       "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.11.tgz",
@@ -5847,6 +5903,16 @@
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
       "license": "0BSD"
     },
+    "node_modules/tw-animate-css": {
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/tw-animate-css/-/tw-animate-css-1.3.4.tgz",
+      "integrity": "sha512-dd1Ht6/YQHcNbq0znIT6dG8uhO7Ce+VIIhZUhjsryXsMPJQz3bZg7Q2eNzLwipb25bRZslGb2myio5mScd1TFg==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/Wombosvideo"
+      }
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",