diff --git a/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt b/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt
index f95ec48..89cbb99 100644
--- a/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt
+++ b/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt
@@ -9,13 +9,13 @@ import android.view.LayoutInflater
 import android.view.View
 import android.widget.LinearLayout
 import android.widget.PopupMenu
-import android.widget.Switch
 import android.widget.TextView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.card.MaterialCardView
+import com.google.android.material.materialswitch.MaterialSwitch
 import kotlinx.coroutines.launch
 import nl.eddydevink.buschauffeurswekker.core.AlarmScheduler
 import nl.eddydevink.buschauffeurswekker.core.AlarmSpec
@@ -129,18 +129,14 @@ class MainActivity : AppCompatActivity() {
                 card.findViewById<TextView>(R.id.tv_name).text = spec.name
                 val timeView = card.findViewById<TextView>(R.id.tv_time)
                 timeView.text = TIME.format(spec.time)
-                val switch = card.findViewById<Switch>(R.id.switch_alarm)
+                val switch = card.findViewById<MaterialSwitch>(R.id.switch_alarm)
                 switch.setOnCheckedChangeListener(null)
                 switch.isChecked = !disabled
-                // Helder onderscheid: blauw = aan, grijs = uit (zoals de systeemwekker).
+                // Heldere statetoestand: blauw = aan, grijs = uit.
                 val cardView = card as MaterialCardView
-                if (disabled) {
-                    cardView.setCardBackgroundColor(ContextCompat.getColor(this, R.color.card_idle))
-                    timeView.setTextColor(ContextCompat.getColor(this, R.color.text_muted))
-                } else {
-                    cardView.setCardBackgroundColor(ContextCompat.getColor(this, R.color.card_active))
-                    timeView.setTextColor(ContextCompat.getColor(this, R.color.text_bright))
-                }
+                cardView.setCardBackgroundColor(
+                    ContextCompat.getColor(this, if (disabled) R.color.card_idle else R.color.card_active),
+                )
                 switch.setOnCheckedChangeListener { _, checked ->
                     toggleAlarm(spec, checked)
                     renderStatus()
diff --git a/app/src/main/res/color/switch_thumb.xml b/app/src/main/res/color/switch_thumb.xml
deleted file mode 100644
index 7c645d2..0000000
--- a/app/src/main/res/color/switch_thumb.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <!-- aan: donkere knop op witte track -->
-    <item android:state_checked="true" android:color="#0A0A0C" />
-    <!-- uit: lichte grijze knop op donkere track -->
-    <item android:color="#9AA0A6" />
-</selector>
\ No newline at end of file
diff --git a/app/src/main/res/color/switch_track.xml b/app/src/main/res/color/switch_track.xml
deleted file mode 100644
index 87408a1..0000000
--- a/app/src/main/res/color/switch_track.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <!-- helder: track wit als de wekker aan staat -->
-    <item android:state_checked="true" android:color="#FFFFFF" />
-    <!-- uit: donkergrijze track die op de grijze kaart nog zichtbaar is -->
-    <item android:color="#4A4A50" />
-</selector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_alarm_card.xml b/app/src/main/res/layout/item_alarm_card.xml
index c688f5e..1081a7f 100644
--- a/app/src/main/res/layout/item_alarm_card.xml
+++ b/app/src/main/res/layout/item_alarm_card.xml
@@ -55,12 +55,10 @@
                 android:textStyle="bold" />
         </LinearLayout>
 
-        <Switch
+        <com.google.android.material.materialswitch.MaterialSwitch
             android:id="@+id/switch_alarm"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:contentDescription="Wekker aan of uit"
-            android:thumbTint="@color/switch_thumb"
-            android:trackTint="@color/switch_track" />
+            android:contentDescription="Wekker aan of uit" />
     </LinearLayout>
 </com.google.android.material.card.MaterialCardView>
\ No newline at end of file