diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..d133ecd
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.READ_CALENDAR" />
+
+    <application
+        android:name=".CalendulaApp"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Calendula"
+        tools:targetApi="35">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Calendula">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
new file mode 100644
index 0000000..93d4045
--- /dev/null
+++ b/app/src/main/res/values-de/strings.xml
@@ -0,0 +1,13 @@
+<resources>
+    <string name="app_name">Calendula</string>
+    <string name="app_tagline">Ein moderner Kalender.</string>
+
+    <string name="state_loading">Lädt…</string>
+    <string name="state_retry">Erneut versuchen</string>
+    <string name="state_failure_unknown">Etwas ist schiefgelaufen.</string>
+    <string name="state_failure_permission">Zugriff auf den Kalender wird benötigt.</string>
+    <string name="state_failure_permission_action">Zugriff erlauben</string>
+    <string name="state_failure_no_calendars">Keine Kalender eingerichtet.</string>
+    <string name="state_failure_no_calendars_action">System-Kalender-Einstellungen öffnen</string>
+    <string name="state_failure_provider">Kalender konnte nicht gelesen werden.</string>
+</resources>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..eefed3d
--- /dev/null
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<resources>
+    <!-- Seed color: desaturated slate blue-gray. Material 3 derives Light & Dark schemes from this. -->
+    <color name="seed">#FF5C6B7A</color>
+    <!-- Adaptive icon background -->
+    <color name="ic_launcher_background">#FF5C6B7A</color>
+</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..2fa032e
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,14 @@
+<resources>
+    <string name="app_name">Calendula</string>
+    <string name="app_tagline">A modern calendar.</string>
+
+    <!-- Loading / Failure / Success generic strings (used across screens) -->
+    <string name="state_loading">Loading…</string>
+    <string name="state_retry">Retry</string>
+    <string name="state_failure_unknown">Something went wrong.</string>
+    <string name="state_failure_permission">Calendar access is required.</string>
+    <string name="state_failure_permission_action">Grant access</string>
+    <string name="state_failure_no_calendars">No calendars configured.</string>
+    <string name="state_failure_no_calendars_action">Open system calendar settings</string>
+    <string name="state_failure_provider">Could not read the calendar.</string>
+</resources>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..7a8c0b8
--- /dev/null
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <style name="Theme.Calendula" parent="android:Theme.Material.Light.NoActionBar">
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:windowLightStatusBar">true</item>
+    </style>
+</resources>
diff --git a/app/src/main/res/xml/backup_rules.xml b/app/src/main/res/xml/backup_rules.xml
new file mode 100644
index 0000000..87d1f20
--- /dev/null
+++ b/app/src/main/res/xml/backup_rules.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<full-backup-content>
+    <!-- No file-based backups; settings live in DataStore which is backed up by default. -->
+</full-backup-content>
diff --git a/app/src/main/res/xml/data_extraction_rules.xml b/app/src/main/res/xml/data_extraction_rules.xml
new file mode 100644
index 0000000..c6ba7b9
--- /dev/null
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- Allow DataStore backup, exclude nothing extra. -->
+    </cloud-backup>
+    <device-transfer>
+    </device-transfer>
+</data-extraction-rules>