diff --git a/app/src/main/java/com/example/myapplication/MainActivity.kt b/app/src/main/java/com/example/myapplication/MainActivity.kt
index 1c034e3..ad1b87a 100644
--- a/app/src/main/java/com/example/myapplication/MainActivity.kt
+++ b/app/src/main/java/com/example/myapplication/MainActivity.kt
@@ -1,71 +1,76 @@
-package com.example.myapplication
+package com.example.happybirthday
 
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Scaffold
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
-import com.example.myapplication.ui.theme.MyApplicationTheme
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+//import com.example.happybirthday.ui.theme.HappyBirthdayTheme
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        enableEdgeToEdge()
         setContent {
-            MyApplicationTheme {
-                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
-
-                    // Data awal
-                    val data = arrayOf(19, 15, 1, 14, 3)
-                    val before = data.joinToString(", ")
-
-                    // Jalankan insertion sort
-                    insertionSort(data)
-                    val after = data.joinToString(", ")
-
-                    Greeting(
-                        text = "Array sebelum: $before\nArray sesudah: $after",
-                        modifier = Modifier.padding(innerPadding)
+            HappyBirthdayTheme {
+                // A surface container using the 'background' color from the theme
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+                    GreetingText(
+                        message = "Happy Birthday Sam!",
+                        from = "From Emma",
+                        modifier = Modifier.padding(8.dp)
                     )
                 }
             }
         }
     }
-
-    // Fungsi insertion sort
-    private fun insertionSort(array: Array<Int>) {
-        for (i in 1 until array.size) {
-            val key = array[i]
-            var j = i - 1
-
-            // Pindahkan elemen yang lebih besar dari key ke satu posisi di depan
-            while (j >= 0 && array[j] > key) {
-                array[j + 1] = array[j]
-                j--
-            }
-            array[j + 1] = key
-        }
-    }
 }
 
 @Composable
-fun Greeting(text: String, modifier: Modifier = Modifier) {
-    Text(
-        text = text,
+fun GreetingText(message: String, from: String, modifier: Modifier = Modifier) {
+    Column(
+        verticalArrangement = Arrangement.Center,
         modifier = modifier
-    )
+    ) {
+        Text(
+            text = message,
+            fontSize = 100.sp,
+            lineHeight = 116.sp,
+            textAlign = TextAlign.Center
+        )
+        Text(
+            text = from,
+            fontSize = 36.sp,
+            modifier = Modifier
+                .padding(16.dp)
+                .align(alignment = Alignment.End)
+        )
+    }
 }
 
 @Preview(showBackground = true)
 @Composable
-fun GreetingPreview() {
-    MyApplicationTheme {
-        Greeting("Array sebelum: 9, 5, 1, 4, 3\nArray sesudah: 1, 3, 4, 5, 9")
+fun BirthdayCardPreview() {
+    HappyBirthdayTheme {
+        GreetingText(message = "Happy Birthday Sam!", from = "From Emma")
     }
 }
+
+@Composable
+fun HappyBirthdayTheme(content: @Composable () -> Unit) {
+    TODO("Not yet implemented")
+}
\ No newline at end of file