diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3ed5523..8252371 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -27,5 +27,12 @@ jobs:
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
 
-      - name: Run Unit Tests
-        run: ./gradlew test
+      - name: Run unit test, lint check and build
+        run: ./gradlew test lintDebug assembleDebug
+
+      - name: Upload Lint Report Artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: lint-report
+          path: app/build/reports/lint-results-debug.html
\ No newline at end of file
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 32e694a..cc8948c 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -83,4 +83,5 @@ dependencies {
     implementation(libs.squareup.retrofit2)
     implementation(libs.squareup.retrofit2.converter.gson)
     implementation(libs.google.gson)
+    lintChecks(libs.slack.lint)
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/debatetimer/app/MainActivity.kt b/app/src/main/java/com/debatetimer/app/MainActivity.kt
index 9969ac7..67e833e 100644
--- a/app/src/main/java/com/debatetimer/app/MainActivity.kt
+++ b/app/src/main/java/com/debatetimer/app/MainActivity.kt
@@ -5,13 +5,8 @@ import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.compose.rememberNavController
+import com.debatetimer.app.navigation.MainNavHost
 import com.debatetimer.app.ui.theme.DebateTimerTheme
 import dagger.hilt.android.AndroidEntryPoint
 import dagger.hilt.android.HiltAndroidApp
@@ -25,30 +20,11 @@ class MainActivity : ComponentActivity() {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         setContent {
+            val navController = rememberNavController()
+
             DebateTimerTheme {
-                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
-                    Greeting(
-                        name = "Android",
-                        modifier = Modifier.padding(innerPadding)
-                    )
-                }
+                MainNavHost(navController = navController)
             }
         }
     }
-}
-
-@Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = "Hello $name!",
-        modifier = modifier
-    )
-}
-
-@Preview(showBackground = true)
-@Composable
-fun GreetingPreview() {
-    DebateTimerTheme {
-        Greeting("Android")
-    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/debatetimer/app/navigation/MainNavHost.kt b/app/src/main/java/com/debatetimer/app/navigation/MainNavHost.kt
new file mode 100644
index 0000000..089f3f1
--- /dev/null
+++ b/app/src/main/java/com/debatetimer/app/navigation/MainNavHost.kt
@@ -0,0 +1,15 @@
+package com.debatetimer.app.navigation
+
+import androidx.compose.runtime.Composable
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+
+@Composable
+fun MainNavHost(navController: NavHostController) {
+    NavHost(
+        navController = navController,
+        startDestination = NavItem.Login.route
+    ) {
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/debatetimer/app/navigation/NavItem.kt b/app/src/main/java/com/debatetimer/app/navigation/NavItem.kt
new file mode 100644
index 0000000..32e5253
--- /dev/null
+++ b/app/src/main/java/com/debatetimer/app/navigation/NavItem.kt
@@ -0,0 +1,8 @@
+package com.debatetimer.app.navigation
+
+sealed class NavItem(
+    val route: String,
+) {
+    object Home : NavItem("home")
+    object Login : NavItem("login")
+}
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2f3f2cd..1f60695 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 # Default
-agp = "8.11.1"
+agp = "8.12.0"
 kotlin = "2.2.0"
 coreKtx = "1.16.0"
 junit = "4.13.2"
@@ -9,6 +9,7 @@ espressoCore = "3.7.0"
 lifecycleRuntimeKtx = "2.9.2"
 activityCompose = "1.10.1"
 composeBom = "2025.07.00"
+material = "1.5.0-alpha01"
 # New
 icon = "1.7.8"
 ksp = "2.2.0-2.0.2"
@@ -17,6 +18,7 @@ hilt = "2.57"
 androidxHilt = "1.2.0"
 retrofit2 = "3.0.0"
 gson = "2.13.1"
+lint = "1.4.2"
 
 [libraries]
 # Default
@@ -33,7 +35,7 @@ androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
 androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
 androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
-androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3", version.ref = "material" }
 # New
 androidx-material3-icons-extended = { group = "androidx.compose.material", name = "material-icons-extended", version.ref = "icon" }
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigation" }
@@ -43,6 +45,7 @@ dagger-hilt-android-compiler = { group = "com.google.dagger", name = "hilt-andro
 squareup-retrofit2 = { group = "com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit2" }
 squareup-retrofit2-converter-gson = { group = "com.squareup.retrofit2", name = "converter-gson", version.ref = "retrofit2" }
 google-gson = { group = "com.google.code.gson", name = "gson", version.ref = "gson" }
+slack-lint = { group = "com.slack.lint.compose", name = "compose-lint-checks", version.ref = "lint" }
 
 [plugins]
 # Default