diff --git a/cshare-app/eslint.config.js b/cshare-app/eslint.config.js
new file mode 100644
index 0000000..04102c9
--- /dev/null
+++ b/cshare-app/eslint.config.js
@@ -0,0 +1,44 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{js,jsx}'],
+    ignores: ['**/*.test.{js,jsx}'],
+    extends: [
+      js.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      globals: globals.browser,
+      parserOptions: { ecmaFeatures: { jsx: true } },
+    },
+  },
+  {
+    files: ['**/*.test.{js,jsx}', 'src/test/**/*.{js,jsx}'],
+    extends: [js.configs.recommended],
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+        ...globals.es2021,
+        // Vitest globals (mirrors what vitest injects with globals: true)
+        describe: 'readonly',
+        it: 'readonly',
+        test: 'readonly',
+        expect: 'readonly',
+        vi: 'readonly',
+        beforeEach: 'readonly',
+        afterEach: 'readonly',
+        beforeAll: 'readonly',
+        afterAll: 'readonly',
+      },
+      parserOptions: { ecmaFeatures: { jsx: true } },
+    },
+  },
+])