diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 32522c1..f008065 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="$PROJECT_DIR$/../../../../workspace/gradle-8.2" />
         <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
           <set>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0ad17cb..8978d23 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 79138ae..6ba360d 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -44,6 +44,7 @@ dependencies {
     implementation("androidx.appcompat:appcompat:1.6.1")
     implementation("com.google.android.material:material:1.11.0")
     implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("androidx.activity:activity:1.8.0")
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 097b1d4..8d95594 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
+    xmlns:tools="http://schemas.android.com/tools" >
 
     <application
         android:allowBackup="true"
@@ -11,13 +11,16 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.MedicalHealth"
-        tools:targetApi="31">
+        tools:targetApi="31" >
+        <activity
+            android:name=".IniciarSesionActivity"
+            android:exported="false" />
         <activity
             android:name=".ModificarActivity"
             android:exported="false" />
         <activity
             android:name=".MainActivity"
-            android:exported="true">
+            android:exported="true" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/res/drawable/radius_btn.xml b/app/src/main/res/drawable/radius_btn.xml
new file mode 100644
index 0000000..dfaf77b
--- /dev/null
+++ b/app/src/main/res/drawable/radius_btn.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/tv_titulo"/>
+    <corners android:radius="30dp"/>
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/radius_tv.xml b/app/src/main/res/drawable/radius_tv.xml
new file mode 100644
index 0000000..eda3a48
--- /dev/null
+++ b/app/src/main/res/drawable/radius_tv.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <stroke
+        android:width="1dp" />
+    <solid android:color="#ffffff" />
+
+    <padding
+        android:left="1dp"
+        android:right="1dp"
+        android:bottom="1dp"
+        android:top="1dp" />
+
+    <corners android:radius="30dp" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 17eab17..61ee48c 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,18 +1,69 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".MainActivity"
+    android:orientation="vertical"
+    >
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_marginTop="180dp"
+        android:layout_height="wrap_content"
+        android:text="@string/activity_iniciar_sesion_titulo"
+        android:textSize="40sp"
+        android:textColor="@color/tv_titulo"
+        android:gravity="center_horizontal"
+        />
+
+    <EditText
+        android:id="@+id/tv_usuario"
+        android:layout_width="250dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="50dp"
+        android:layout_gravity="center_horizontal"
+        android:background="@drawable/radius_tv"
+        android:hint="@string/et_usuario"
+        android:textColorHint="@color/tv_titulo"
+        android:textSize="25sp" />
+
+    <EditText
+        android:id="@+id/tv_contrasena"
+        android:layout_marginTop="25dp"
+        android:background="@drawable/radius_tv"
+        android:layout_width="250dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:hint="@string/et_contrasena"
+        android:textColorHint="@color/tv_titulo"
+        android:textSize="25sp"
+        android:paddingStart="10dp"
+        />
+
+    <Button
+        android:id="@+id/btn_iniciar_sesion"
+        android:layout_marginTop="25dp"
+        android:layout_width="250dp"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_iniciar_sesion"
+        android:layout_gravity="center_horizontal"
+        android:background="@drawable/radius_btn"
+        android:backgroundTint="@color/tv_titulo"
+        />
 
     <TextView
+        android:layout_marginTop="25dp"
+        android:id="@+id/tv_registrarme"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:text="@string/txt_registrarme"
+        android:layout_gravity="center_horizontal"
+        android:textSize="15sp"
+        />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+
+
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f9698be..cc3b798 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -9,4 +9,11 @@
     <string name="ht_apellido_materno">Apellido Materno</string>
     <string name="ht_domicilio">Domicilio</string>
     <string name="bt_modificar">Modificar</string>
+    <!--Activity Main -> Iniciar Sesión-->
+    <string name="activity_iniciar_sesion_titulo">Iniciar Sesión</string>
+    <string name="et_usuario">Usuario</string>
+    <string name="et_contrasena">Contraseña</string>
+    <string name="txt_registrarme">Registrarme</string>
+    <string name="btn_iniciar_sesion">Iniciar Sesión</string>
+
 </resources>
\ No newline at end of file