diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
index b268ef3..2073145 100644
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2025-11-26T09:17:18.598825Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="LocalEmulator" identifier="path=/Users/230421/.android/avd/Medium_Phone.avd" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 86c93f8..99f2d2d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -11,15 +11,22 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.VdcScore">
+
+        <!-- Activity principal (Launcher) -->
         <activity
             android:name=".CriarContaActivity"
             android:exported="false">
+
+        </activity>
+
+        <activity android:name=".LoginActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
     </application>
 
-</manifest>
\ No newline at end of file
+</manifest>
diff --git a/app/src/main/java/com/example/vdcscore/CriarContaActivity.java b/app/src/main/java/com/example/vdcscore/CriarContaActivity.java
index 0368730..1643e4a 100644
--- a/app/src/main/java/com/example/vdcscore/CriarContaActivity.java
+++ b/app/src/main/java/com/example/vdcscore/CriarContaActivity.java
@@ -57,10 +57,7 @@ public class CriarContaActivity extends AppCompatActivity {
                     return;
                 }
 
-                // Por agora só mostra mensagem (podemos pôr Firebase ou SQLite depois)
-                Toast.makeText(CriarContaActivity.this, "Conta criada com sucesso!", Toast.LENGTH_SHORT).show();
 
-                finish(); // volta para o login
             }
         });
 
@@ -69,6 +66,7 @@ public class CriarContaActivity extends AppCompatActivity {
             @Override
             public void onClick(View view) {
                 Intent intent = new Intent(CriarContaActivity.this, LoginActivity.class);
+                startActivity(intent);
             }
 
         });
diff --git a/app/src/main/java/com/example/vdcscore/LoginActivity.java b/app/src/main/java/com/example/vdcscore/LoginActivity.java
index 81b5927..cb768dc 100644
--- a/app/src/main/java/com/example/vdcscore/LoginActivity.java
+++ b/app/src/main/java/com/example/vdcscore/LoginActivity.java
@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -16,6 +17,8 @@ public class LoginActivity extends AppCompatActivity {
     Button btnLogin;
     FirebaseAuth mAuth;
 
+    private TextView criarContaTextView;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -24,10 +27,17 @@ public class LoginActivity extends AppCompatActivity {
         editEmail = findViewById(R.id.editEmail);
         editPassword = findViewById(R.id.editPassword2);
         btnLogin = findViewById(R.id.btnLogin);
+        criarContaTextView = findViewById(R.id.txtRegister);
 
         mAuth = FirebaseAuth.getInstance();
 
         btnLogin.setOnClickListener(v -> loginUser());
+        criarContaTextView.setOnClickListener(view -> criarConta());
+    }
+
+    private void criarConta() {
+        Intent intent= new Intent(LoginActivity.this, CriarContaActivity.class);
+        startActivity(intent);
     }
 
     private void loginUser() {
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 7bac71d..ecbf7f6 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -22,8 +22,9 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_margin="140dp"
-        app:layout_constraintTop_toTopOf="parent">
+        android:layout_marginTop="140dp"
+        app:layout_constraintTop_toTopOf="parent"
+        >
 
         <LinearLayout
             android:layout_width="match_parent"
@@ -83,7 +84,6 @@
         android:textStyle="bold"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_margin="10dp"
         app:layout_constraintTop_toBottomOf="@+id/cardLogin" />
 
     <TextView