diff --git a/components/app-footer.tsx b/components/app-footer.tsx
index cf2f07f..95c1c47 100644
--- a/components/app-footer.tsx
+++ b/components/app-footer.tsx
@@ -2,6 +2,8 @@
 
 import { useTranslation } from "@/components/language-provider";
 import { cn } from "@/lib/utils";
+import { Icon } from "./ui/button";
+import { FaGithub } from "react-icons/fa";
 
 export function AppFooter() {
   const { t, dir } = useTranslation();
@@ -55,6 +57,19 @@ export function AppFooter() {
             >
               {t("footer.note")}
             </p>
+            <a href="https://github.com/O2sa/DevImpact"
+              target="_blank"
+              rel="noopener noreferrer"
+              aria-label="GitHub Repository">
+              <Icon
+                type="button"
+                variant="ghost"
+                size="sm"
+                className="flex items-center gap-2"
+              >
+                <FaGithub className="text-black dark:text-white" />
+              </Icon>
+            </a>
           </div>
         </div>
 
diff --git a/components/app-header.tsx b/components/app-header.tsx
index 739bb95..8d8a3d2 100644
--- a/components/app-header.tsx
+++ b/components/app-header.tsx
@@ -15,4 +15,4 @@ export function AppHeader() {
       </div>
     </header>
   );
-}
+}
\ No newline at end of file
diff --git a/components/theme-toggle.tsx b/components/theme-toggle.tsx
index 27a1efc..3d47fd9 100644
--- a/components/theme-toggle.tsx
+++ b/components/theme-toggle.tsx
@@ -2,11 +2,12 @@
 
 import { Moon, Sun } from "lucide-react";
 import { useTheme } from "next-themes";
-import { Button } from "./ui/button";
+import { Button, Icon } from "./ui/button";
 import { useSyncExternalStore } from "react";
 import { useTranslation } from "./language-provider";
+import { FaGithub } from "react-icons/fa";
 
-const emptySubscribe = () => () => {};
+const emptySubscribe = () => () => { };
 
 export function ThemeToggle() {
   const { t } = useTranslation();
@@ -32,15 +33,35 @@ export function ThemeToggle() {
   };
 
   return (
-    <Button
-      type="button"
-      variant="ghost"
-      size="sm"
-      onClick={handleToggle}
-      className="flex items-center gap-2"
-      aria-label={t("theme.toggle")}
-    >
-      {mounted && current === "dark" ? <Sun size={16} /> : <Moon size={16} />}
-    </Button>
+    <div className="flex items-center">
+      <Button
+        type="button"
+        variant="ghost"
+        size="sm"
+        onClick={handleToggle}
+        className="flex items-center gap-2"
+        aria-label={t("theme.toggle")}
+      >
+        {mounted && current === "dark" ? <Sun size={16} /> : <Moon size={16} />}
+      </Button>
+      <a href="https://github.com/O2sa/DevImpact"
+        target="_blank"
+        rel="noopener noreferrer"
+        aria-label="GitHub Repository">
+        <Icon
+          type="button"
+          variant="ghost"
+          size="sm"
+          className="flex items-center gap-2"
+        >
+          <FaGithub className="text-black dark:text-white" />
+        </Icon>
+      </a>
+
+
+    </div>
+
+
+
   );
 }
diff --git a/components/ui/button.tsx b/components/ui/button.tsx
index 5388cc6..8cf0297 100644
--- a/components/ui/button.tsx
+++ b/components/ui/button.tsx
@@ -38,3 +38,12 @@ export function Button({ className, variant, size, ...props }: ButtonProps) {
     />
   );
 }
+
+export function Icon({ className, variant, size, ...props }: ButtonProps) {
+  return (
+    <button
+      className={cn(buttonVariants({ variant, size }), className)}
+      {...props}
+    />
+  );
+}
diff --git a/next-env.d.ts b/next-env.d.ts
index 9edff1c..c4b7818 100644
--- a/next-env.d.ts
+++ b/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/package.json b/package.json
index 7da203f..9fe9e43 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "radix-ui": "^1.4.3",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
+    "react-icons": "^5.6.0",
     "recharts": "^2.12.7",
     "tailwind-merge": "^2.5.3"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index eae6cd6..e3f4c3e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -35,6 +35,9 @@ importers:
       react-dom:
         specifier: ^19.2.4
         version: 19.2.5(react@19.2.5)
+      react-icons:
+        specifier: ^5.6.0
+        version: 5.6.0(react@19.2.5)
       recharts:
         specifier: ^2.12.7
         version: 2.15.4(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
@@ -255,105 +258,89 @@ packages:
     resolution: {integrity: sha512-excjX8DfsIcJ10x1Kzr4RcWe1edC9PquDRRPx3YVCvQv+U5p7Yin2s32ftzikXojb1PIFc/9Mt28/y+iRklkrw==}
     cpu: [arm64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-libvips-linux-arm@1.2.4':
     resolution: {integrity: sha512-bFI7xcKFELdiNCVov8e44Ia4u2byA+l3XtsAj+Q8tfCwO6BQ8iDojYdvoPMqsKDkuoOo+X6HZA0s0q11ANMQ8A==}
     cpu: [arm]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-libvips-linux-ppc64@1.2.4':
     resolution: {integrity: sha512-FMuvGijLDYG6lW+b/UvyilUWu5Ayu+3r2d1S8notiGCIyYU/76eig1UfMmkZ7vwgOrzKzlQbFSuQfgm7GYUPpA==}
     cpu: [ppc64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-libvips-linux-riscv64@1.2.4':
     resolution: {integrity: sha512-oVDbcR4zUC0ce82teubSm+x6ETixtKZBh/qbREIOcI3cULzDyb18Sr/Wcyx7NRQeQzOiHTNbZFF1UwPS2scyGA==}
     cpu: [riscv64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-libvips-linux-s390x@1.2.4':
     resolution: {integrity: sha512-qmp9VrzgPgMoGZyPvrQHqk02uyjA0/QrTO26Tqk6l4ZV0MPWIW6LTkqOIov+J1yEu7MbFQaDpwdwJKhbJvuRxQ==}
     cpu: [s390x]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-libvips-linux-x64@1.2.4':
     resolution: {integrity: sha512-tJxiiLsmHc9Ax1bz3oaOYBURTXGIRDODBqhveVHonrHJ9/+k89qbLl0bcJns+e4t4rvaNBxaEZsFtSfAdquPrw==}
     cpu: [x64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-libvips-linuxmusl-arm64@1.2.4':
     resolution: {integrity: sha512-FVQHuwx1IIuNow9QAbYUzJ+En8KcVm9Lk5+uGUQJHaZmMECZmOlix9HnH7n1TRkXMS0pGxIJokIVB9SuqZGGXw==}
     cpu: [arm64]
     os: [linux]
-    libc: [musl]
 
   '@img/sharp-libvips-linuxmusl-x64@1.2.4':
     resolution: {integrity: sha512-+LpyBk7L44ZIXwz/VYfglaX/okxezESc6UxDSoyo2Ks6Jxc4Y7sGjpgU9s4PMgqgjj1gZCylTieNamqA1MF7Dg==}
     cpu: [x64]
     os: [linux]
-    libc: [musl]
 
   '@img/sharp-linux-arm64@0.34.5':
     resolution: {integrity: sha512-bKQzaJRY/bkPOXyKx5EVup7qkaojECG6NLYswgktOZjaXecSAeCWiZwwiFf3/Y+O1HrauiE3FVsGxFg8c24rZg==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [arm64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-linux-arm@0.34.5':
     resolution: {integrity: sha512-9dLqsvwtg1uuXBGZKsxem9595+ujv0sJ6Vi8wcTANSFpwV/GONat5eCkzQo/1O6zRIkh0m/8+5BjrRr7jDUSZw==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [arm]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-linux-ppc64@0.34.5':
     resolution: {integrity: sha512-7zznwNaqW6YtsfrGGDA6BRkISKAAE1Jo0QdpNYXNMHu2+0dTrPflTLNkpc8l7MUP5M16ZJcUvysVWWrMefZquA==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [ppc64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-linux-riscv64@0.34.5':
     resolution: {integrity: sha512-51gJuLPTKa7piYPaVs8GmByo7/U7/7TZOq+cnXJIHZKavIRHAP77e3N2HEl3dgiqdD/w0yUfiJnII77PuDDFdw==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [riscv64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-linux-s390x@0.34.5':
     resolution: {integrity: sha512-nQtCk0PdKfho3eC5MrbQoigJ2gd1CgddUMkabUj+rBevs8tZ2cULOx46E7oyX+04WGfABgIwmMC0VqieTiR4jg==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [s390x]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-linux-x64@0.34.5':
     resolution: {integrity: sha512-MEzd8HPKxVxVenwAa+JRPwEC7QFjoPWuS5NZnBt6B3pu7EG2Ge0id1oLHZpPJdn3OQK+BQDiw9zStiHBTJQQQQ==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [x64]
     os: [linux]
-    libc: [glibc]
 
   '@img/sharp-linuxmusl-arm64@0.34.5':
     resolution: {integrity: sha512-fprJR6GtRsMt6Kyfq44IsChVZeGN97gTD331weR1ex1c1rypDEABN6Tm2xa1wE6lYb5DdEnk03NZPqA7Id21yg==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [arm64]
     os: [linux]
-    libc: [musl]
 
   '@img/sharp-linuxmusl-x64@0.34.5':
     resolution: {integrity: sha512-Jg8wNT1MUzIvhBFxViqrEhWDGzqymo3sV7z7ZsaWbZNDLXRJZoRGrjulp60YYtV4wfY8VIKcWidjojlLcWrd8Q==}
     engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
     cpu: [x64]
     os: [linux]
-    libc: [musl]
 
   '@img/sharp-wasm32@0.34.5':
     resolution: {integrity: sha512-OdWTEiVkY2PHwqkbBI8frFxQQFekHaSSkUIJkwzclWZe64O1X4UlUjqqqLaPbUpMOQk6FBu/HtlGXNblIs0huw==}
@@ -420,28 +407,24 @@ packages:
     engines: {node: '>= 10'}
     cpu: [arm64]
     os: [linux]
-    libc: [glibc]
 
   '@next/swc-linux-arm64-musl@16.2.3':
     resolution: {integrity: sha512-/YV0LgjHUmfhQpn9bVoGc4x4nan64pkhWR5wyEV8yCOfwwrH630KpvRg86olQHTwHIn1z59uh6JwKvHq1h4QEw==}
     engines: {node: '>= 10'}
     cpu: [arm64]
     os: [linux]
-    libc: [musl]
 
   '@next/swc-linux-x64-gnu@16.2.3':
     resolution: {integrity: sha512-/HiWEcp+WMZ7VajuiMEFGZ6cg0+aYZPqCJD3YJEfpVWQsKYSjXQG06vJP6F1rdA03COD9Fef4aODs3YxKx+RDQ==}
     engines: {node: '>= 10'}
     cpu: [x64]
     os: [linux]
-    libc: [glibc]
 
   '@next/swc-linux-x64-musl@16.2.3':
     resolution: {integrity: sha512-Kt44hGJfZSefebhk/7nIdivoDr3Ugp5+oNz9VvF3GUtfxutucUIHfIO0ZYO8QlOPDQloUVQn4NVC/9JvHRk9hw==}
     engines: {node: '>= 10'}
     cpu: [x64]
     os: [linux]
-    libc: [musl]
 
   '@next/swc-win32-arm64-msvc@16.2.3':
     resolution: {integrity: sha512-O2NZ9ie3Tq6xj5Z5CSwBT3+aWAMW2PIZ4egUi9MaWLkwaehgtB7YZjPm+UpcNpKOme0IQuqDcor7BsW6QBiQBw==}
@@ -1337,49 +1320,41 @@ packages:
     resolution: {integrity: sha512-34gw7PjDGB9JgePJEmhEqBhWvCiiWCuXsL9hYphDF7crW7UgI05gyBAi6MF58uGcMOiOqSJ2ybEeCvHcq0BCmQ==}
     cpu: [arm64]
     os: [linux]
-    libc: [glibc]
 
   '@unrs/resolver-binding-linux-arm64-musl@1.11.1':
     resolution: {integrity: sha512-RyMIx6Uf53hhOtJDIamSbTskA99sPHS96wxVE/bJtePJJtpdKGXO1wY90oRdXuYOGOTuqjT8ACccMc4K6QmT3w==}
     cpu: [arm64]
     os: [linux]
-    libc: [musl]
 
   '@unrs/resolver-binding-linux-ppc64-gnu@1.11.1':
     resolution: {integrity: sha512-D8Vae74A4/a+mZH0FbOkFJL9DSK2R6TFPC9M+jCWYia/q2einCubX10pecpDiTmkJVUH+y8K3BZClycD8nCShA==}
     cpu: [ppc64]
     os: [linux]
-    libc: [glibc]
 
   '@unrs/resolver-binding-linux-riscv64-gnu@1.11.1':
     resolution: {integrity: sha512-frxL4OrzOWVVsOc96+V3aqTIQl1O2TjgExV4EKgRY09AJ9leZpEg8Ak9phadbuX0BA4k8U5qtvMSQQGGmaJqcQ==}
     cpu: [riscv64]
     os: [linux]
-    libc: [glibc]
 
   '@unrs/resolver-binding-linux-riscv64-musl@1.11.1':
     resolution: {integrity: sha512-mJ5vuDaIZ+l/acv01sHoXfpnyrNKOk/3aDoEdLO/Xtn9HuZlDD6jKxHlkN8ZhWyLJsRBxfv9GYM2utQ1SChKew==}
     cpu: [riscv64]
     os: [linux]
-    libc: [musl]
 
   '@unrs/resolver-binding-linux-s390x-gnu@1.11.1':
     resolution: {integrity: sha512-kELo8ebBVtb9sA7rMe1Cph4QHreByhaZ2QEADd9NzIQsYNQpt9UkM9iqr2lhGr5afh885d/cB5QeTXSbZHTYPg==}
     cpu: [s390x]
     os: [linux]
-    libc: [glibc]
 
   '@unrs/resolver-binding-linux-x64-gnu@1.11.1':
     resolution: {integrity: sha512-C3ZAHugKgovV5YvAMsxhq0gtXuwESUKc5MhEtjBpLoHPLYM+iuwSj3lflFwK3DPm68660rZ7G8BMcwSro7hD5w==}
     cpu: [x64]
     os: [linux]
-    libc: [glibc]
 
   '@unrs/resolver-binding-linux-x64-musl@1.11.1':
     resolution: {integrity: sha512-rV0YSoyhK2nZ4vEswT/QwqzqQXw5I6CjoaYMOX0TqBlWhojUf8P94mvI7nuJTeaCkkds3QE4+zS8Ko+GdXuZtA==}
     cpu: [x64]
     os: [linux]
-    libc: [musl]
 
   '@unrs/resolver-binding-wasm32-wasi@1.11.1':
     resolution: {integrity: sha512-5u4RkfxJm+Ng7IWgkzi3qrFOvLvQYnPBmjmZQ8+szTK/b31fQCnleNl1GgEt7nIsZRIf5PLhPwT0WM+q45x/UQ==}
@@ -2520,6 +2495,11 @@ packages:
     peerDependencies:
       react: ^19.2.5
 
+  react-icons@5.6.0:
+    resolution: {integrity: sha512-RH93p5ki6LfOiIt0UtDyNg/cee+HLVR6cHHtW3wALfo+eOHTp8RnU2kRkI6E+H19zMIs03DyxUG/GfZMOGvmiA==}
+    peerDependencies:
+      react: '*'
+
   react-is@16.13.1:
     resolution: {integrity: sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==}
 
@@ -5566,6 +5546,10 @@ snapshots:
       react: 19.2.5
       scheduler: 0.27.0
 
+  react-icons@5.6.0(react@19.2.5):
+    dependencies:
+      react: 19.2.5
+
   react-is@16.13.1: {}
 
   react-is@18.3.1: {}