diff --git a/apps/mobile/android/app/src/main/AndroidManifest.xml b/apps/mobile/android/app/src/main/AndroidManifest.xml
index 7b3c48a..f1128cc 100644
--- a/apps/mobile/android/app/src/main/AndroidManifest.xml
+++ b/apps/mobile/android/app/src/main/AndroidManifest.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <application
         android:allowBackup="true"
diff --git a/apps/mobile/android/app/src/main/java/cloud/molberg/hermesmobile/MainActivity.kt b/apps/mobile/android/app/src/main/java/cloud/molberg/hermesmobile/MainActivity.kt
index 467eb4e..35620ec 100644
--- a/apps/mobile/android/app/src/main/java/cloud/molberg/hermesmobile/MainActivity.kt
+++ b/apps/mobile/android/app/src/main/java/cloud/molberg/hermesmobile/MainActivity.kt
@@ -64,6 +64,7 @@ import androidx.compose.material.icons.outlined.EmojiEvents
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Card
+import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
@@ -241,7 +242,16 @@ fun HermesNativeApp() {
         runCatching { api.health() }.onSuccess { online = true }.onFailure { online = false }
     }
 
-    MaterialTheme(colorScheme = MaterialTheme.colorScheme.copy(background = Cream, surface = Paper)) {
+    MaterialTheme(
+        colorScheme = darkColorScheme(
+            background = Cream,
+            surface = Paper,
+            primary = Green,
+            onPrimary = Color.White,
+            onBackground = Ink,
+            onSurface = Ink
+        )
+    ) {
         Scaffold(
             modifier = Modifier.fillMaxSize(),
             containerColor = Cream,
@@ -284,14 +294,17 @@ fun slideFor(from: Int, to: Int): ContentTransform {
 }
 
 fun vibrate(context: Context) {
-    val vibrator = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
-        val manager = context.getSystemService(Application.VIBRATOR_MANAGER_SERVICE) as VibratorManager
-        manager.defaultVibrator
-    } else {
-        @Suppress("DEPRECATION") context.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+    runCatching {
+        val vibrator = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
+            val manager = context.getSystemService(Application.VIBRATOR_MANAGER_SERVICE) as VibratorManager
+            manager.defaultVibrator
+        } else {
+            @Suppress("DEPRECATION") context.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+        }
+        if (!vibrator.hasVibrator()) return
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) vibrator.vibrate(VibrationEffect.createPredefined(VibrationEffect.EFFECT_TICK))
+        else @Suppress("DEPRECATION") vibrator.vibrate(20)
     }
-    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) vibrator.vibrate(VibrationEffect.createPredefined(VibrationEffect.EFFECT_TICK))
-    else @Suppress("DEPRECATION") vibrator.vibrate(20)
 }
 
 @Composable
@@ -586,28 +599,28 @@ fun CompactQuest(title: String, label: String, text: String, icon: ImageVector,
 @Composable fun RoundButton(icon: ImageVector, onClick: () -> Unit) { Button(onClick = onClick, modifier = Modifier.size(50.dp), shape = RoundedCornerShape(16.dp), contentPadding = androidx.compose.foundation.layout.PaddingValues(0.dp), colors = ButtonDefaults.buttonColors(containerColor = Blue, contentColor = Color.White), elevation = ButtonDefaults.buttonElevation(defaultElevation = 5.dp, pressedElevation = 1.dp)) { Icon(icon, null) } }
 
 val Green = Color(0xFF58CC02)
-val GreenDark = Color(0xFF46A302)
-val GreenShadow = Color(0xFFB8E9A4)
-val GreenBorder = Color(0xFF8DDB6C)
-val PaleGreen = Color(0xFFE8F8DF)
+val GreenDark = Color(0xFF7FE83B)
+val GreenShadow = Color(0xFF244B19)
+val GreenBorder = Color(0xFF3D7F28)
+val PaleGreen = Color(0xFF17301A)
 val Blue = Color(0xFF1CB0F6)
-val BlueDark = Color(0xFF1687C2)
-val PaleBlue = Color(0xFFE2F3FF)
+val BlueDark = Color(0xFF73D4FF)
+val PaleBlue = Color(0xFF112A3A)
 val Gold = Color(0xFFFFC800)
-val GoldDark = Color(0xFFC99500)
-val PaleGold = Color(0xFFFFF6D6)
-val Orange = Color(0xFFFF9600)
-val PaleOrange = Color(0xFFFFF0D8)
-val OrangeBorder = Color(0xFFE7BE82)
-val OrangeShadow = Color(0xFFE4C99D)
-val Red = Color(0xFFFF4B4B)
-val PaleRed = Color(0xFFFFE4E4)
-val RedBorder = Color(0xFFFFB8B8)
-val RedShadow = Color(0xFFE9B4B4)
-val Cream = Color(0xFFF2F7E8)
-val Paper = Color(0xFFFFFEF8)
-val Surface = Color(0xFFF3F8ED)
-val Ink = Color(0xFF243B2E)
-val Muted = Color(0xFF6D7C72)
-val NeutralBorder = Color(0xFFDCE8D5)
-val NeutralShadow = Color(0xFFC8D8C0)
+val GoldDark = Color(0xFFFFD95A)
+val PaleGold = Color(0xFF332A10)
+val Orange = Color(0xFFFFA033)
+val PaleOrange = Color(0xFF332312)
+val OrangeBorder = Color(0xFF7B4D1C)
+val OrangeShadow = Color(0xFF26180C)
+val Red = Color(0xFFFF6B6B)
+val PaleRed = Color(0xFF3A171B)
+val RedBorder = Color(0xFF8B3D45)
+val RedShadow = Color(0xFF271013)
+val Cream = Color(0xFF08100E)
+val Paper = Color(0xFF111B18)
+val Surface = Color(0xFF17231F)
+val Ink = Color(0xFFEAF7EE)
+val Muted = Color(0xFF9FB4A7)
+val NeutralBorder = Color(0xFF294138)
+val NeutralShadow = Color(0xFF060B0A)
diff --git a/apps/mobile/android/app/src/main/res/values/styles.xml b/apps/mobile/android/app/src/main/res/values/styles.xml
index c471cc5..e689c31 100644
--- a/apps/mobile/android/app/src/main/res/values/styles.xml
+++ b/apps/mobile/android/app/src/main/res/values/styles.xml
@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="AppTheme" parent="android:style/Theme.Material.Light.NoActionBar">
+    <style name="AppTheme" parent="android:style/Theme.Material.NoActionBar">
         <item name="android:fontFamily">sans</item>
-        <item name="android:windowLightStatusBar">true</item>
-        <item name="android:windowLightNavigationBar">true</item>
+        <item name="android:windowLightStatusBar">false</item>
+        <item name="android:windowLightNavigationBar">false</item>
         <item name="android:colorAccent">@color/seed_green</item>
+        <item name="android:windowBackground">#0B1110</item>
     </style>
 </resources>