diff --git a/.github/workflows/build-debug.yml b/.github/workflows/build-debug.yml
index 28495dc..c52e5bb 100644
--- a/.github/workflows/build-debug.yml
+++ b/.github/workflows/build-debug.yml
@@ -11,6 +11,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Node 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
 
       - name: Set up JDK 17
         uses: actions/setup-java@v4
@@ -21,12 +28,19 @@ jobs:
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v3
 
-      - name: Lint + unit tests + assemble debug
-        run: ./gradlew lint test :app:assembleDebug
+      - name: Install wrapper deps
+        run: npm ci
+
+      - name: Build loto + sync into Android
+        run: npm run build
+
+      - name: Assemble debug APK
+        working-directory: android
+        run: ./gradlew :app:assembleDebug
 
       - name: Upload debug APK
         uses: actions/upload-artifact@v4
         with:
           name: debug-apk
-          path: app/build/outputs/apk/debug/*.apk
+          path: android/app/build/outputs/apk/debug/*.apk
           retention-days: 7
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b367664..a074f02 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,6 +10,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Node 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
 
       - name: Set up JDK 17
         uses: actions/setup-java@v4
@@ -20,20 +27,27 @@ jobs:
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v3
 
+      - name: Install wrapper deps
+        run: npm ci
+
+      - name: Build loto + sync into Android
+        run: npm run build
+
       - name: Decode keystore
         run: echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > keystore.jks
 
-      - name: Build release bundle and APK
-        run: ./gradlew :app:bundleRelease :app:assembleRelease
+      - name: Build signed AAB + APK
+        working-directory: android
         env:
           LOTO_KEYSTORE_PATH: ${{ github.workspace }}/keystore.jks
           LOTO_KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
           LOTO_KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
           LOTO_KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
+        run: ./gradlew :app:bundleRelease :app:assembleRelease
 
       - name: Upload to GitHub Release
         uses: softprops/action-gh-release@v2
         with:
           files: |
-            app/build/outputs/apk/release/*.apk
-            app/build/outputs/bundle/release/*.aab
+            android/app/build/outputs/apk/release/*.apk
+            android/app/build/outputs/bundle/release/*.aab
diff --git a/.gitignore b/.gitignore
index 43413b9..8cea5ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,15 +1,35 @@
-*.iml
-.gradle
-.idea
-local.properties
-.DS_Store
-build
-captures
-.externalNativeBuild
-.cxx
+# Node
+node_modules/
+npm-debug.log*
+
+# Loto build (regenerated by `npm run build:loto`)
+loto/build/
+loto/.svelte-kit/
+
+# Android build outputs
+android/.gradle/
+android/build/
+android/app/build/
+android/capacitor-cordova-android-plugins/
+android/local.properties
+android/.idea/
+android/captures/
+android/.externalNativeBuild/
+android/.cxx/
+
+# Capacitor sync artifacts (regenerated by `npx cap sync`)
+android/app/src/main/assets/public/
+android/app/src/main/assets/capacitor.config.json
+android/app/src/main/assets/capacitor.plugins.json
+
+# Signing
 *.apk
 *.aab
 *.keystore
 *.jks
 google-services.json
-proguard/
+
+# Editor / OS
+*.iml
+.idea/
+.DS_Store
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0ca4bf6
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "loto"]
+	path = loto
+	url = https://github.com/tiennm99/loto.git
diff --git a/README.md b/README.md
index f687401..72a997a 100644
--- a/README.md
+++ b/README.md
@@ -1,97 +1,127 @@
-# Lô tô — Android
+# Lô tô — Android (Capacitor wrapper)
 
 ![build-debug](https://github.com/tiennm99/loto-android/actions/workflows/build-debug.yml/badge.svg)
 
-Native Android port of [tiennm99/loto](https://github.com/tiennm99/loto) (SvelteKit web app).
+Fully-offline Android wrapper around [tiennm99/loto](https://github.com/tiennm99/loto)
+(SvelteKit PWA). All assets — HTML, JS, CSS, and 184 voice MP3s — are bundled
+into the APK at build time. No network is required at runtime.
 
-Lô tô hội chợ TN1 — Vietnamese fairground bingo with host (quản trò) + player modes,
-called-number speech in Vietnamese (Hoài My / Nam Minh voices).
+> **Note:** the previous native Kotlin/Compose port lives in git history at
+> commit `9a35686` and earlier. This repo is now a thin wrapper; loto evolves
+> upstream and we just rebuild + ship.
+
+## How it works
+
+```
+loto/ (git submodule, pinned SHA)
+  └── npm run build  →  loto/build/  (SvelteKit static output)
+                                ↓
+                         npx cap sync
+                                ↓
+android/app/src/main/assets/public/  (bundled into APK)
+                                ↓
+            WebView serves https://localhost/* off-disk
+```
+
+Capacitor's bridge serves the bundled site from `https://localhost`, which is
+loopback only (no INTERNET permission requested). Workbox precache, IndexedDB,
+and the `<audio>` element all work offline.
 
 ## Stack
 
-- Kotlin 2.1 + Jetpack Compose + Material 3
-- Single Activity, single Gradle module (`:app`)
-- Audio: AndroidX Media3 ExoPlayer (bundled MP3s in `assets/audio/`)
-- Settings persistence: DataStore Preferences
-- minSdk 24 · targetSdk 35 · JDK 17
+- Capacitor 8 (Android wrapper)
+- Loto upstream: SvelteKit 2 + Vite 7 + `@sveltejs/adapter-static` + `@vite-pwa/sveltekit`
+- minSdk 24 · targetSdk 36 · JDK 17 · Node 20
+
+## Setup
+
+```bash
+git clone --recurse-submodules https://github.com/tiennm99/loto-android.git
+cd loto-android
+npm ci
+npm run build      # builds loto + cap sync into android/
+```
+
+If you cloned without `--recurse-submodules`:
+
+```bash
+git submodule update --init --recursive
+```
 
 ## Build
 
-### Debug APK (no signing required)
+### Debug APK
 
 ```bash
-./gradlew :app:assembleDebug
-# Output: app/build/outputs/apk/debug/app-debug.apk
+npm run build              # build loto + cap sync (must run after any loto change)
+npm run assemble:debug     # → android/app/build/outputs/apk/debug/app-debug.apk
 ```
 
-### Install on connected device/emulator
+### Release AAB + APK (signed)
 
 ```bash
-./gradlew :app:installDebug
-```
-
-### Open in Android Studio
-
-Open the repo root in Android Studio Ladybug (2024.2) or newer. The IDE picks
-up the Gradle wrapper automatically. Run the `app` configuration on any API 24+
-device or emulator.
-
-## Tests
-
-### Unit tests (JVM, no device needed)
-
-```bash
-./gradlew :app:test
-```
-
-Covers: `GameLogicTest`, `VietnameseNumberTest`, `VoiceManifestTest`,
-`SettingsRepositoryTest`, `CallBusTest`, `PlayerBoardViewModelTest`,
-`MasterPanelViewModelTest`, `MasterBoardLayoutTest`.
-
-### Instrumentation tests (requires connected device or emulator)
-
-```bash
-./gradlew :app:connectedDebugAndroidTest
-```
-
-Includes `MainActivityComposeSmokeTest` — cold-start → generate grid → assert 81 cells.
-
-## Release signing
-
-Release builds read signing credentials from environment variables so the
-keystore is never committed to the repository.
-
-```bash
-export LOTO_KEYSTORE_PATH=/path/to/loto-release.jks
+export LOTO_KEYSTORE_PATH=$HOME/.android/loto-release.jks
 export LOTO_KEYSTORE_PASSWORD=<store-password>
 export LOTO_KEY_ALIAS=<key-alias>
 export LOTO_KEY_PASSWORD=<key-password>
 
-./gradlew :app:assembleRelease   # signed APK
-./gradlew :app:bundleRelease     # signed AAB for Play Store
+npm run build
+npm run assemble:release
+# → android/app/build/outputs/{apk/release/*.apk, bundle/release/*.aab}
 ```
 
-Local convention: store the keystore at `~/.android/loto-release.jks`.
+### Open in Android Studio
 
-### GitHub Secrets (for CI)
+```bash
+npx cap open android
+```
 
-Set the following secrets in the repository settings under **Settings → Secrets → Actions**:
+## Updating loto
 
-| Secret | Description |
-|--------|-------------|
-| `KEYSTORE_BASE64` | `base64 -w0 loto-release.jks` output |
-| `KEYSTORE_PASSWORD` | Keystore password |
-| `KEY_ALIAS` | Key alias inside the keystore |
-| `KEY_PASSWORD` | Key password |
+```bash
+cd loto
+git fetch origin
+git checkout <new-sha>
+cd ..
+git add loto
+npm run build              # rebuild + re-sync
+git commit -m "chore: bump loto submodule to <sha>"
+```
 
-**Never commit `keystore.jks`, `.env`, or any file containing these values.**
+## Why no INTERNET permission?
+
+The whole loto build (HTML, JS, CSS, fonts, manifest, icons, all 184 MP3s)
+ships inside the APK. The WebView loads from `https://localhost`, which is
+loopback. No remote fetches happen at runtime, so the permission is omitted —
+this makes "fully offline" a hard guarantee, not a convention.
+
+If you ever add a remote feature (analytics, sync, etc.), add this back to
+`android/app/src/main/AndroidManifest.xml`:
+
+```xml
+<uses-permission android:name="android.permission.INTERNET" />
+```
 
 ## CI / CD
 
-| Workflow | Trigger | Tasks |
-|----------|---------|-------|
-| `build-debug` | push to `main`, any PR | `lint test assembleDebug` |
-| `release` | tag `v*.*.*` | `bundleRelease assembleRelease` + sign + upload to GH Release |
+| Workflow | Trigger | Result |
+|----------|---------|--------|
+| `build-debug` | push to `main`, any PR | unsigned debug APK uploaded as artifact |
+| `release` | tag `v*.*.*` | signed AAB + APK attached to GH Release |
+
+Both workflows checkout the loto submodule, install npm deps, build loto,
+`cap sync`, then run Gradle inside `android/`.
+
+### GitHub Secrets (release only)
+
+| Secret | Description |
+|--------|-------------|
+| `KEYSTORE_BASE64` | `base64 -w0 loto-release.jks` |
+| `KEYSTORE_PASSWORD` | Keystore password |
+| `KEY_ALIAS` | Key alias |
+| `KEY_PASSWORD` | Key password |
+
+**Never commit `*.jks`, `*.keystore`, or `.env`.**
 
 Tag a release:
 
@@ -100,22 +130,20 @@ git tag v1.0.0
 git push origin v1.0.0
 ```
 
-The `release` workflow will sign and attach the APK + AAB to the GitHub Release page.
-
 ## Version bump
 
-1. Increment `versionCode` and `versionName` in `app/build.gradle.kts`.
-2. Commit, tag, push tag.
+1. Edit `versionCode` and `versionName` in `android/app/build.gradle`.
+2. Commit, tag, push.
 
 ## App ID
 
-`com.miti99.loto` — registered in `AndroidManifest.xml` and `app/build.gradle.kts`.
+`com.miti99.loto` — set in `capacitor.config.json` and `android/app/build.gradle`.
 
 ## Audio
 
-Bundled MP3 voice clips under `assets/audio/{hoai-my,nam-minh}/{1..90,cho,kinh}.mp3`.
-Generated from the upstream repo's `scripts/generate-audio.py` using Microsoft Edge TTS.
-Re-generate by running that script against a Python 3.10+ environment with `edge-tts` installed.
+Bundled by upstream loto under `loto/static/audio/{hoai-my,nam-minh}/{1..90,cho,kinh}.mp3`,
+served by the wrapper from `https://localhost/audio/...`. No audio post-processing
+on the Android side.
 
 ## License
 
diff --git a/android/.gitignore b/android/.gitignore
new file mode 100644
index 0000000..48354a3
--- /dev/null
+++ b/android/.gitignore
@@ -0,0 +1,101 @@
+# Using Android gitignore template: https://github.com/github/gitignore/blob/HEAD/Android.gitignore
+
+# Built application files
+*.apk
+*.aar
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/
+
+# Android Profiling
+*.hprof
+
+# Cordova plugins for Capacitor
+capacitor-cordova-android-plugins
+
+# Copied web assets
+app/src/main/assets/public
+
+# Generated Config files
+app/src/main/assets/capacitor.config.json
+app/src/main/assets/capacitor.plugins.json
+app/src/main/res/xml/config.xml
diff --git a/android/app/.gitignore b/android/app/.gitignore
new file mode 100644
index 0000000..043df80
--- /dev/null
+++ b/android/app/.gitignore
@@ -0,0 +1,2 @@
+/build/*
+!/build/.npmkeep
diff --git a/android/app/build.gradle b/android/app/build.gradle
new file mode 100644
index 0000000..9d73eb8
--- /dev/null
+++ b/android/app/build.gradle
@@ -0,0 +1,71 @@
+apply plugin: 'com.android.application'
+
+android {
+    namespace = "com.miti99.loto"
+    compileSdk = rootProject.ext.compileSdkVersion
+    defaultConfig {
+        applicationId "com.miti99.loto"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        aaptOptions {
+             // Files and dirs to omit from the packaged assets dir, modified to accommodate modern web apps.
+             // Default: https://android.googlesource.com/platform/frameworks/base/+/282e181b58cf72b6ca770dc7ca5f91f135444502/tools/aapt/AaptAssets.cpp#61
+            ignoreAssetsPattern = '!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~'
+        }
+    }
+    signingConfigs {
+        // Reads from env vars so the keystore never lands in the repo.
+        // Mirrors the original loto-android signing convention.
+        release {
+            def keystorePath = System.getenv('LOTO_KEYSTORE_PATH')
+            if (keystorePath) {
+                storeFile file(keystorePath)
+                storePassword System.getenv('LOTO_KEYSTORE_PASSWORD')
+                keyAlias System.getenv('LOTO_KEY_ALIAS')
+                keyPassword System.getenv('LOTO_KEY_PASSWORD')
+            }
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            // Only sign when env vars are present; debug builds remain debug-signed.
+            if (System.getenv('LOTO_KEYSTORE_PATH')) {
+                signingConfig signingConfigs.release
+            }
+        }
+    }
+}
+
+repositories {
+    flatDir{
+        dirs '../capacitor-cordova-android-plugins/src/main/libs', 'libs'
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation "androidx.appcompat:appcompat:$androidxAppCompatVersion"
+    implementation "androidx.coordinatorlayout:coordinatorlayout:$androidxCoordinatorLayoutVersion"
+    implementation "androidx.core:core-splashscreen:$coreSplashScreenVersion"
+    implementation project(':capacitor-android')
+    testImplementation "junit:junit:$junitVersion"
+    androidTestImplementation "androidx.test.ext:junit:$androidxJunitVersion"
+    androidTestImplementation "androidx.test.espresso:espresso-core:$androidxEspressoCoreVersion"
+    implementation project(':capacitor-cordova-android-plugins')
+}
+
+apply from: 'capacitor.build.gradle'
+
+try {
+    def servicesJSON = file('google-services.json')
+    if (servicesJSON.text) {
+        apply plugin: 'com.google.gms.google-services'
+    }
+} catch(Exception e) {
+    logger.info("google-services.json not found, google-services plugin not applied. Push Notifications won't work")
+}
diff --git a/android/app/capacitor.build.gradle b/android/app/capacitor.build.gradle
new file mode 100644
index 0000000..bbfb44f
--- /dev/null
+++ b/android/app/capacitor.build.gradle
@@ -0,0 +1,19 @@
+// DO NOT EDIT THIS FILE! IT IS GENERATED EACH TIME "capacitor update" IS RUN
+
+android {
+  compileOptions {
+      sourceCompatibility JavaVersion.VERSION_21
+      targetCompatibility JavaVersion.VERSION_21
+  }
+}
+
+apply from: "../capacitor-cordova-android-plugins/cordova.variables.gradle"
+dependencies {
+
+
+}
+
+
+if (hasProperty('postBuildExtras')) {
+  postBuildExtras()
+}
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/android/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/android/app/src/androidTest/java/com/getcapacitor/myapp/ExampleInstrumentedTest.java b/android/app/src/androidTest/java/com/getcapacitor/myapp/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..f2c2217
--- /dev/null
+++ b/android/app/src/androidTest/java/com/getcapacitor/myapp/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.getcapacitor.myapp;
+
+import static org.junit.Assert.*;
+
+import android.content.Context;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+        assertEquals("com.getcapacitor.app", appContext.getPackageName());
+    }
+}
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..20ef9ff
--- /dev/null
+++ b/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+
+        <activity
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|smallestScreenSize|screenLayout|uiMode|navigation|density"
+            android:name=".MainActivity"
+            android:label="@string/title_activity_main"
+            android:theme="@style/AppTheme.NoActionBarLaunch"
+            android:launchMode="singleTask"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+        </activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths"></meta-data>
+        </provider>
+    </application>
+
+    <!-- No INTERNET permission: app is fully offline. All assets bundled in
+         APK; WebView serves from https://localhost which uses loopback. -->
+</manifest>
diff --git a/android/app/src/main/java/com/miti99/loto/MainActivity.java b/android/app/src/main/java/com/miti99/loto/MainActivity.java
new file mode 100644
index 0000000..a424a24
--- /dev/null
+++ b/android/app/src/main/java/com/miti99/loto/MainActivity.java
@@ -0,0 +1,5 @@
+package com.miti99.loto;
+
+import com.getcapacitor.BridgeActivity;
+
+public class MainActivity extends BridgeActivity {}
diff --git a/android/app/src/main/res/drawable-land-hdpi/splash.png b/android/app/src/main/res/drawable-land-hdpi/splash.png
new file mode 100644
index 0000000..e31573b
Binary files /dev/null and b/android/app/src/main/res/drawable-land-hdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-land-mdpi/splash.png b/android/app/src/main/res/drawable-land-mdpi/splash.png
new file mode 100644
index 0000000..f7a6492
Binary files /dev/null and b/android/app/src/main/res/drawable-land-mdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-land-xhdpi/splash.png b/android/app/src/main/res/drawable-land-xhdpi/splash.png
new file mode 100644
index 0000000..8077255
Binary files /dev/null and b/android/app/src/main/res/drawable-land-xhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-land-xxhdpi/splash.png b/android/app/src/main/res/drawable-land-xxhdpi/splash.png
new file mode 100644
index 0000000..14c6c8f
Binary files /dev/null and b/android/app/src/main/res/drawable-land-xxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-land-xxxhdpi/splash.png b/android/app/src/main/res/drawable-land-xxxhdpi/splash.png
new file mode 100644
index 0000000..244ca25
Binary files /dev/null and b/android/app/src/main/res/drawable-land-xxxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-port-hdpi/splash.png b/android/app/src/main/res/drawable-port-hdpi/splash.png
new file mode 100644
index 0000000..74faaa5
Binary files /dev/null and b/android/app/src/main/res/drawable-port-hdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-port-mdpi/splash.png b/android/app/src/main/res/drawable-port-mdpi/splash.png
new file mode 100644
index 0000000..e944f4a
Binary files /dev/null and b/android/app/src/main/res/drawable-port-mdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-port-xhdpi/splash.png b/android/app/src/main/res/drawable-port-xhdpi/splash.png
new file mode 100644
index 0000000..564a82f
Binary files /dev/null and b/android/app/src/main/res/drawable-port-xhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-port-xxhdpi/splash.png b/android/app/src/main/res/drawable-port-xxhdpi/splash.png
new file mode 100644
index 0000000..bfabe68
Binary files /dev/null and b/android/app/src/main/res/drawable-port-xxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-port-xxxhdpi/splash.png b/android/app/src/main/res/drawable-port-xxxhdpi/splash.png
new file mode 100644
index 0000000..6929071
Binary files /dev/null and b/android/app/src/main/res/drawable-port-xxxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..c7bd21d
--- /dev/null
+++ b/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>
diff --git a/android/app/src/main/res/drawable/ic_launcher_background.xml b/android/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..d5fccc5
--- /dev/null
+++ b/android/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>
diff --git a/android/app/src/main/res/drawable/splash.png b/android/app/src/main/res/drawable/splash.png
new file mode 100644
index 0000000..f7a6492
Binary files /dev/null and b/android/app/src/main/res/drawable/splash.png differ
diff --git a/android/app/src/main/res/layout/activity_main.xml b/android/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..b5ad138
--- /dev/null
+++ b/android/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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">
+
+    <WebView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..036d09b
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..036d09b
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..c023e50
Binary files /dev/null and b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..2127973
Binary files /dev/null and b/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..b441f37
Binary files /dev/null and b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..72905b8
Binary files /dev/null and b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..8ed0605
Binary files /dev/null and b/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..9502e47
Binary files /dev/null and b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..4d1e077
Binary files /dev/null and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..df0f158
Binary files /dev/null and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..853db04
Binary files /dev/null and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..6cdf97c
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..2960cbb
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..8e3093a
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..46de6e2
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..d2ea9ab
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..a40d73e
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/android/app/src/main/res/values/ic_launcher_background.xml b/android/app/src/main/res/values/ic_launcher_background.xml
new file mode 100644
index 0000000..c5d5899
--- /dev/null
+++ b/android/app/src/main/res/values/ic_launcher_background.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..a9d2fb9
--- /dev/null
+++ b/android/app/src/main/res/values/strings.xml
@@ -0,0 +1,7 @@
+<?xml version='1.0' encoding='utf-8'?>
+<resources>
+    <string name="app_name">Lo To</string>
+    <string name="title_activity_main">Lo To</string>
+    <string name="package_name">com.miti99.loto</string>
+    <string name="custom_url_scheme">com.miti99.loto</string>
+</resources>
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..be874e5
--- /dev/null
+++ b/android/app/src/main/res/values/styles.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:background">@null</item>
+    </style>
+
+
+    <style name="AppTheme.NoActionBarLaunch" parent="Theme.SplashScreen">
+        <item name="android:background">@drawable/splash</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/xml/file_paths.xml b/android/app/src/main/res/xml/file_paths.xml
new file mode 100644
index 0000000..bd0c4d8
--- /dev/null
+++ b/android/app/src/main/res/xml/file_paths.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <external-path name="my_images" path="." />
+    <cache-path name="my_cache_images" path="." />
+</paths>
\ No newline at end of file
diff --git a/android/app/src/test/java/com/getcapacitor/myapp/ExampleUnitTest.java b/android/app/src/test/java/com/getcapacitor/myapp/ExampleUnitTest.java
new file mode 100644
index 0000000..0297327
--- /dev/null
+++ b/android/app/src/test/java/com/getcapacitor/myapp/ExampleUnitTest.java
@@ -0,0 +1,18 @@
+package com.getcapacitor.myapp;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}
diff --git a/android/build.gradle b/android/build.gradle
new file mode 100644
index 0000000..f8f0e43
--- /dev/null
+++ b/android/build.gradle
@@ -0,0 +1,29 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:8.13.0'
+        classpath 'com.google.gms:google-services:4.4.4'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+apply from: "variables.gradle"
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/android/capacitor.settings.gradle b/android/capacitor.settings.gradle
new file mode 100644
index 0000000..9a5fa87
--- /dev/null
+++ b/android/capacitor.settings.gradle
@@ -0,0 +1,3 @@
+// DO NOT EDIT THIS FILE! IT IS GENERATED EACH TIME "capacitor update" IS RUN
+include ':capacitor-android'
+project(':capacitor-android').projectDir = new File('../node_modules/@capacitor/android/capacitor')
diff --git a/android/gradle.properties b/android/gradle.properties
new file mode 100644
index 0000000..2e87c52
--- /dev/null
+++ b/android/gradle.properties
@@ -0,0 +1,22 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
diff --git a/android/gradle/wrapper/gradle-wrapper.jar b/android/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..1b33c55
Binary files /dev/null and b/android/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..7705927
--- /dev/null
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-all.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/android/gradlew b/android/gradlew
new file mode 100755
index 0000000..23d15a9
--- /dev/null
+++ b/android/gradlew
@@ -0,0 +1,251 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH="\\\"\\\""
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"
diff --git a/android/gradlew.bat b/android/gradlew.bat
new file mode 100644
index 0000000..5eed7ee
--- /dev/null
+++ b/android/gradlew.bat
@@ -0,0 +1,94 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/android/settings.gradle b/android/settings.gradle
new file mode 100644
index 0000000..3b4431d
--- /dev/null
+++ b/android/settings.gradle
@@ -0,0 +1,5 @@
+include ':app'
+include ':capacitor-cordova-android-plugins'
+project(':capacitor-cordova-android-plugins').projectDir = new File('./capacitor-cordova-android-plugins/')
+
+apply from: 'capacitor.settings.gradle'
\ No newline at end of file
diff --git a/android/variables.gradle b/android/variables.gradle
new file mode 100644
index 0000000..ee4ba41
--- /dev/null
+++ b/android/variables.gradle
@@ -0,0 +1,16 @@
+ext {
+    minSdkVersion = 24
+    compileSdkVersion = 36
+    targetSdkVersion = 36
+    androidxActivityVersion = '1.11.0'
+    androidxAppCompatVersion = '1.7.1'
+    androidxCoordinatorLayoutVersion = '1.3.0'
+    androidxCoreVersion = '1.17.0'
+    androidxFragmentVersion = '1.8.9'
+    coreSplashScreenVersion = '1.2.0'
+    androidxWebkitVersion = '1.14.0'
+    junitVersion = '4.13.2'
+    androidxJunitVersion = '1.3.0'
+    androidxEspressoCoreVersion = '3.7.0'
+    cordovaAndroidVersion = '14.0.1'
+}
\ No newline at end of file
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
deleted file mode 100644
index 1d54039..0000000
--- a/app/build.gradle.kts
+++ /dev/null
@@ -1,112 +0,0 @@
-plugins {
-    alias(libs.plugins.android.application)
-    alias(libs.plugins.kotlin.android)
-    alias(libs.plugins.kotlin.compose)
-    alias(libs.plugins.kotlin.serialization)
-    alias(libs.plugins.android.junit5)
-}
-
-android {
-    namespace = "com.miti99.loto"
-    compileSdk = 35
-
-    defaultConfig {
-        applicationId = "com.miti99.loto"
-        minSdk = 24
-        targetSdk = 35
-        versionCode = 1
-        versionName = "1.0.0"
-
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
-    }
-
-    signingConfigs {
-        create("release") {
-            val keystorePath = System.getenv("LOTO_KEYSTORE_PATH")
-            if (keystorePath != null) {
-                storeFile = file(keystorePath)
-                storePassword = System.getenv("LOTO_KEYSTORE_PASSWORD")
-                keyAlias = System.getenv("LOTO_KEY_ALIAS")
-                keyPassword = System.getenv("LOTO_KEY_PASSWORD")
-            }
-        }
-    }
-
-    buildTypes {
-        debug {
-            isMinifyEnabled = false
-        }
-        release {
-            isMinifyEnabled = true
-            isShrinkResources = true
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro",
-            )
-            // Only sign when CI env vars are set; local release builds omit signing
-            val keystorePath = System.getenv("LOTO_KEYSTORE_PATH")
-            signingConfig = if (keystorePath != null) signingConfigs.getByName("release") else null
-        }
-    }
-
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
-        isCoreLibraryDesugaringEnabled = true
-    }
-
-    kotlinOptions {
-        jvmTarget = "17"
-    }
-
-    buildFeatures {
-        compose = true
-        buildConfig = false
-    }
-
-    androidResources {
-        // MP3 voice clips ship pre-compressed; never deflate them.
-        noCompress += "mp3"
-    }
-
-    packaging {
-        resources {
-            excludes += "/META-INF/{AL2.0,LGPL2.1}"
-        }
-    }
-}
-
-dependencies {
-    implementation(platform(libs.compose.bom))
-    implementation(libs.bundles.compose.ui)
-
-    // Audio
-    implementation(libs.media3.exoplayer)
-    implementation(libs.media3.common)
-
-    // Persistence + Serialization
-    implementation(libs.datastore.preferences)
-    implementation(libs.kotlinx.serialization.json)
-    implementation(libs.kotlinx.coroutines.android)
-
-    // Java 17 desugaring (java.time, etc. on minSdk 24)
-    coreLibraryDesugaring(libs.desugar.jdk.libs)
-
-    debugImplementation(libs.compose.ui.tooling)
-    debugImplementation(libs.compose.ui.test.manifest)
-
-    // JUnit 5 (JVM unit tests)
-    testImplementation(libs.junit.jupiter)
-    testImplementation(libs.junit.jupiter.params)
-    testImplementation(libs.kotlinx.coroutines.test)
-    testImplementation(libs.turbine)
-
-    // Instrumentation tests (added in phase-04 / phase-11)
-    androidTestImplementation(libs.androidx.test.ext.junit)
-    androidTestImplementation(libs.androidx.test.runner)
-    androidTestImplementation(libs.compose.ui.test.junit4)
-}
-
-tasks.withType<Test>().configureEach {
-    useJUnitPlatform()
-}
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
deleted file mode 100644
index a052988..0000000
--- a/app/proguard-rules.pro
+++ /dev/null
@@ -1,24 +0,0 @@
-# Lô tô Android — ProGuard / R8 rules
-# Default mode (not fullMode) keeps reflection-heavy Kotlin/AndroidX intact.
-
-# kotlinx.serialization — keep companion @Serializer references R8 can't infer
--keep,includedescriptorclasses class com.miti99.loto.**$$serializer { *; }
--keepclassmembers class com.miti99.loto.** {
-    *** Companion;
-}
--keepclasseswithmembers class com.miti99.loto.** {
-    kotlinx.serialization.KSerializer serializer(...);
-}
-
-# Keep Kotlin metadata for runtime reflection
--keep class kotlin.Metadata { *; }
-
-# Media3 / ExoPlayer internals — prevent stripping of codec/extractor classes
--keep class androidx.media3.** { *; }
--dontwarn androidx.media3.**
-
-# DataStore
--keep class androidx.datastore.** { *; }
-
-# Compose tooling only exists in debug; suppress release warnings
--dontwarn androidx.compose.ui.tooling.**
diff --git a/app/src/androidTest/java/com/miti99/loto/MainActivityComposeSmokeTest.kt b/app/src/androidTest/java/com/miti99/loto/MainActivityComposeSmokeTest.kt
deleted file mode 100644
index 8596eb0..0000000
--- a/app/src/androidTest/java/com/miti99/loto/MainActivityComposeSmokeTest.kt
+++ /dev/null
@@ -1,46 +0,0 @@
-package com.miti99.loto
-
-import androidx.compose.ui.test.assertCountEquals
-import androidx.compose.ui.test.junit4.createAndroidComposeRule
-import androidx.compose.ui.test.onAllNodesWithTag
-import androidx.compose.ui.test.onNodeWithText
-import androidx.compose.ui.test.performClick
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-
-/**
- * Compose UI smoke test — verifies the full cold-start → generate-grid flow.
- *
- * Requires a connected device or emulator. Run via:
- *   ./gradlew :app:connectedDebugAndroidTest
- *
- * Phase 11 spec: launch MainActivity, assert "Tạo bảng mới" shown,
- * click it, assert all 81 player_cell nodes are rendered.
- */
-@RunWith(AndroidJUnit4::class)
-class MainActivityComposeSmokeTest {
-
-    @get:Rule
-    val rule = createAndroidComposeRule<MainActivity>()
-
-    @Test
-    fun generate_button_is_visible_on_cold_start() {
-        rule.onNodeWithText("Tạo bảng mới").assertExists()
-    }
-
-    @Test
-    fun generate_button_creates_81_player_cells() {
-        // Tap the generate button — no confirmation dialog on first tap (grid is null)
-        rule.onNodeWithText("Tạo bảng mới").performClick()
-
-        // Wait up to 5 s for all 81 cells to appear (grid generation is synchronous
-        // but Compose may take a frame to recompose)
-        rule.waitUntil(timeoutMillis = 5_000) {
-            rule.onAllNodesWithTag("player_cell").fetchSemanticsNodes().size == 81
-        }
-
-        rule.onAllNodesWithTag("player_cell").assertCountEquals(81)
-    }
-}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
deleted file mode 100644
index 8c1a2ca..0000000
--- a/app/src/main/AndroidManifest.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <uses-permission android:name="android.permission.VIBRATE" />
-
-    <application
-        android:name=".LotoApp"
-        android:allowBackup="false"
-        android:dataExtractionRules="@xml/backup_rules"
-        android:fullBackupContent="false"
-        android:icon="@mipmap/ic_launcher"
-        android:roundIcon="@mipmap/ic_launcher"
-        android:label="@string/app_name"
-        android:supportsRtl="false"
-        android:theme="@style/Theme.Loto">
-
-        <activity
-            android:name=".MainActivity"
-            android:exported="true"
-            android:configChanges="orientation|screenSize|keyboardHidden|uiMode"
-            android:screenOrientation="portrait"
-            android:theme="@style/Theme.Loto">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-
-    </application>
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-</manifest>
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diff --git a/app/src/main/assets/audio/hoai-my/kinh.mp3 b/app/src/main/assets/audio/hoai-my/kinh.mp3
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diff --git a/app/src/main/assets/audio/manifest.json b/app/src/main/assets/audio/manifest.json
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--- a/app/src/main/assets/audio/manifest.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "voices": [
-    {
-      "id": "hoai-my",
-      "edgeName": "vi-VN-HoaiMyNeural",
-      "label": "Hoai My (nữ)",
-      "gender": "female"
-    },
-    {
-      "id": "nam-minh",
-      "edgeName": "vi-VN-NamMinhNeural",
-      "label": "Nam Minh (nam)",
-      "gender": "male"
-    }
-  ]
-}
\ No newline at end of file
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diff --git a/app/src/main/assets/audio/nam-minh/79.mp3 b/app/src/main/assets/audio/nam-minh/79.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/8.mp3 b/app/src/main/assets/audio/nam-minh/8.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/80.mp3 b/app/src/main/assets/audio/nam-minh/80.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/81.mp3 b/app/src/main/assets/audio/nam-minh/81.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/82.mp3 b/app/src/main/assets/audio/nam-minh/82.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/83.mp3 b/app/src/main/assets/audio/nam-minh/83.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/84.mp3 b/app/src/main/assets/audio/nam-minh/84.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/87.mp3 b/app/src/main/assets/audio/nam-minh/87.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/89.mp3 b/app/src/main/assets/audio/nam-minh/89.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/9.mp3 b/app/src/main/assets/audio/nam-minh/9.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/90.mp3 b/app/src/main/assets/audio/nam-minh/90.mp3
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diff --git a/app/src/main/assets/audio/nam-minh/cho.mp3 b/app/src/main/assets/audio/nam-minh/cho.mp3
deleted file mode 100644
index 4fa28e0..0000000
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diff --git a/app/src/main/assets/audio/nam-minh/kinh.mp3 b/app/src/main/assets/audio/nam-minh/kinh.mp3
deleted file mode 100644
index 8ab2503..0000000
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diff --git a/app/src/main/java/com/miti99/loto/LotoApp.kt b/app/src/main/java/com/miti99/loto/LotoApp.kt
deleted file mode 100644
index 91a3c33..0000000
--- a/app/src/main/java/com/miti99/loto/LotoApp.kt
+++ /dev/null
@@ -1,65 +0,0 @@
-package com.miti99.loto
-
-import android.app.Application
-import android.content.Context
-import androidx.datastore.core.DataStore
-import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.preferencesDataStore
-import com.miti99.loto.audio.VoiceManifest
-import com.miti99.loto.audio.VoicePlayer
-import com.miti99.loto.settings.SettingsRepository
-import com.miti99.loto.state.CallBus
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.SupervisorJob
-
-/** DataStore extension on the app Context — used only inside [LotoApp]. */
-private val Context.lotoDataStore: DataStore<Preferences> by preferencesDataStore(
-    name = "loto_settings",
-    produceMigrations = { listOf(SettingsRepository.legacyMasterModeMigration) },
-)
-
-/**
- * Application singleton. Wires app-scoped state in onCreate.
- *
- * Composables retrieve singletons through `LocalContext.current.applicationContext as LotoApp`
- * and pass them into a `ViewModelProvider.Factory` (see [com.miti99.loto.state.lotoViewModelFactory]).
- */
-class LotoApp : Application() {
-
-    val appScope: CoroutineScope = CoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)
-
-    val callBus: CallBus = CallBus()
-
-    lateinit var settingsRepo: SettingsRepository
-        private set
-
-    lateinit var voicePlayer: VoicePlayer
-        private set
-
-    /** Internal accessor for [com.miti99.loto.state.GameStorage]. */
-    internal val lotoDataStoreInternal: DataStore<Preferences>
-        get() = lotoDataStore
-
-    override fun onCreate() {
-        super.onCreate()
-        val voiceIds = runCatching { VoiceManifest.load(this).map { it.id }.toSet() }
-            .getOrDefault(setOf("hoai-my", "nam-minh"))
-
-        settingsRepo = SettingsRepository(
-            dataStore = lotoDataStore,
-            appScope = appScope,
-            validVoiceIds = voiceIds,
-        )
-        voicePlayer = VoicePlayer(
-            appContext = applicationContext,
-            voiceFlow = settingsRepo.voiceFlow,
-            appScope = appScope,
-        )
-    }
-
-    override fun onTerminate() {
-        voicePlayer.release()
-        super.onTerminate()
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/MainActivity.kt b/app/src/main/java/com/miti99/loto/MainActivity.kt
deleted file mode 100644
index 46bf4dd..0000000
--- a/app/src/main/java/com/miti99/loto/MainActivity.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.miti99.loto
-
-import android.os.Bundle
-import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
-import androidx.activity.enableEdgeToEdge
-import com.miti99.loto.ui.LotoAppRoot
-
-/**
- * Single Activity — hosts the root Compose tree via [LotoAppRoot].
- * Replaced the Phase 01 placeholder as specified in Phase 10.
- */
-class MainActivity : ComponentActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        enableEdgeToEdge()
-        setContent {
-            LotoAppRoot()
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/audio/VoiceManifest.kt b/app/src/main/java/com/miti99/loto/audio/VoiceManifest.kt
deleted file mode 100644
index b0be4fd..0000000
--- a/app/src/main/java/com/miti99/loto/audio/VoiceManifest.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.miti99.loto.audio
-
-import android.content.Context
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.json.Json
-
-/** Parsed entry from `assets/audio/manifest.json`. */
-@Serializable
-data class VoiceEntry(
-    val id: String,
-    val edgeName: String,
-    val label: String,
-    val gender: String,
-)
-
-@Serializable
-private data class ManifestRoot(val voices: List<VoiceEntry>)
-
-object VoiceManifest {
-
-    private val json = Json { ignoreUnknownKeys = true }
-
-    /** Read and parse the bundled voice manifest. Throws on malformed input. */
-    fun load(context: Context): List<VoiceEntry> {
-        val text = context.assets.open("audio/manifest.json").bufferedReader().use { it.readText() }
-        return json.decodeFromString<ManifestRoot>(text).voices
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/audio/VoicePlayer.kt b/app/src/main/java/com/miti99/loto/audio/VoicePlayer.kt
deleted file mode 100644
index b6f0edf..0000000
--- a/app/src/main/java/com/miti99/loto/audio/VoicePlayer.kt
+++ /dev/null
@@ -1,129 +0,0 @@
-package com.miti99.loto.audio
-
-import android.content.Context
-import android.os.Handler
-import android.os.Looper
-import androidx.annotation.OptIn
-import androidx.media3.common.AudioAttributes
-import androidx.media3.common.C
-import androidx.media3.common.MediaItem
-import androidx.media3.common.PlaybackException
-import androidx.media3.common.Player
-import androidx.media3.common.util.UnstableApi
-import androidx.media3.exoplayer.ExoPlayer
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.drop
-import kotlinx.coroutines.launch
-
-/**
- * Application-scoped Vietnamese voice playback. Single ExoPlayer instance,
- * token-based cancellation matching `tiennm99/loto/src/lib/voice.js`.
- *
- * One Player handles both voices — assets are addressed by URI, no dual
- * instance needed. Voice change cancels in-flight clip; next play uses the
- * new voice's path.
- */
-@OptIn(UnstableApi::class)
-class VoicePlayer(
-    private val appContext: Context,
-    private val voiceFlow: StateFlow<String>,
-    appScope: CoroutineScope,
-) {
-
-    private val handler = Handler(Looper.getMainLooper())
-    private var activeToken: Any? = null
-
-    private val player: ExoPlayer = ExoPlayer.Builder(appContext)
-        .setAudioAttributes(
-            AudioAttributes.Builder()
-                .setUsage(C.USAGE_MEDIA)
-                .setContentType(C.AUDIO_CONTENT_TYPE_SPEECH)
-                .build(),
-            /* handleAudioFocus = */ true,
-        )
-        .build()
-
-    init {
-        player.addListener(object : Player.Listener {
-            override fun onPlaybackStateChanged(state: Int) {
-                if (state == Player.STATE_ENDED) {
-                    activeToken = null
-                }
-            }
-
-            override fun onPlayerError(error: PlaybackException) {
-                activeToken = null
-            }
-        })
-
-        // Drop the first emission so initial flow value (current voice) doesn't
-        // trigger a spurious cancel before any clip plays.
-        appScope.launch {
-            voiceFlow.distinctUntilChanged().drop(1).collect { clearCache() }
-        }
-    }
-
-    /** Play the clip for `n`. Cancels any in-flight clip first. */
-    fun playNumber(n: Int) = playSequence(listOf(n.toString()))
-
-    /**
-     * Play "Chờ" prefix then optionally the awaited number. Cancels in-flight.
-     * Mirrors `voice.js:104-115`.
-     */
-    fun playWaiting(n: Int, includeNumber: Boolean) {
-        val names = if (includeNumber) listOf("cho", n.toString()) else listOf("cho")
-        playSequence(names)
-    }
-
-    /** Play the bingo win announcement. Cancels in-flight. */
-    fun playBingo() = playSequence(listOf("kinh"))
-
-    /** Stop in-flight playback. Idempotent. */
-    fun cancel() {
-        val token = Any()
-        activeToken = null
-        handler.post {
-            // Use a fresh token only to satisfy the same-thread invariant; we
-            // don't gate on this one — cancel always wins.
-            @Suppress("UNUSED_VARIABLE")
-            val _t = token
-            player.stop()
-            player.clearMediaItems()
-        }
-    }
-
-    /**
-     * Drop in-flight playback and force the next call to resolve the current
-     * voice path fresh. Matches `voice.js:46-49 clearAudioCache` semantics.
-     */
-    fun clearCache() = cancel()
-
-    /** Best-effort cleanup. Process death cleans this up regardless. */
-    fun release() {
-        handler.post {
-            activeToken = null
-            player.release()
-        }
-    }
-
-    // ----- internals -----
-
-    private fun playSequence(names: List<String>) {
-        val token = Any()
-        activeToken = token
-        val items = names.map { name -> MediaItem.fromUri(assetUri(name)) }
-        handler.post {
-            if (activeToken !== token) return@post
-            player.stop()
-            player.clearMediaItems()
-            player.setMediaItems(items)
-            player.prepare()
-            player.playWhenReady = true
-        }
-    }
-
-    private fun assetUri(name: String): String =
-        "asset:///audio/${voiceFlow.value}/$name.mp3"
-}
diff --git a/app/src/main/java/com/miti99/loto/game/GameLogic.kt b/app/src/main/java/com/miti99/loto/game/GameLogic.kt
deleted file mode 100644
index 3e9fe0b..0000000
--- a/app/src/main/java/com/miti99/loto/game/GameLogic.kt
+++ /dev/null
@@ -1,166 +0,0 @@
-package com.miti99.loto.game
-
-import kotlin.random.Random
-
-/**
- * Lô tô hội chợ Tân Tân card generator and row-state helpers.
- *
- * Pure Kotlin port of `tiennm99/loto/src/lib/game-logic.js`. Persistence
- * (saveGrid/loadGrid) lives in DataStore (phase 05), not here.
- */
-object GameLogic {
-
-    const val NUM_ROWS = 9
-    const val NUM_COLS = 9
-    const val NUM_PER_ROW = 5
-
-    /** Number ranges per column. Col 8 holds 80..90 (11 candidates). */
-    private val NUM_IN_COL: List<IntRange> = listOf(
-        1..9, 10..19, 20..29, 30..39, 40..49,
-        50..59, 60..69, 70..79, 80..90,
-    )
-
-    private const val MAX_REJECTION_ATTEMPTS = 200
-
-    /**
-     * Generate a 9x9 grid with exactly NUM_PER_ROW filled cells per row AND
-     * per column. Cell value: 0 = empty, >0 = number.
-     *
-     * Soft constraint (rejection-sampled): no row has 3 consecutive filled
-     * column indices. Hard column-quota invariant always wins if both can't
-     * be satisfied — matches JS behavior.
-     */
-    fun generateGrid(random: Random = Random.Default): Array<IntArray> {
-        val cells = Array(NUM_ROWS) { IntArray(NUM_COLS) }
-        val colsPerRow = pickFilledCols(random)
-        for (row in 0 until NUM_ROWS) {
-            for (col in colsPerRow[row]) cells[row][col] = -1
-        }
-        for (col in 0 until NUM_COLS) {
-            val picked = randomNumbersInCol(NUM_PER_ROW, col, random).toMutableList()
-            for (row in 0 until NUM_ROWS) {
-                if (cells[row][col] == -1) {
-                    cells[row][col] = picked.removeAt(0)
-                }
-            }
-        }
-        return cells
-    }
-
-    /** Row complete iff it has ≥1 number AND every number is crossed. */
-    fun isRowComplete(
-        grid: Array<IntArray>,
-        crossed: Array<BooleanArray>,
-        row: Int,
-    ): Boolean {
-        var hasNumber = false
-        for (col in 0 until NUM_COLS) {
-            if (grid[row][col] > 0) {
-                hasNumber = true
-                if (!crossed[row][col]) return false
-            }
-        }
-        return hasNumber
-    }
-
-    /**
-     * The lone uncrossed number in a row, or null when 0 or ≥2 cells remain.
-     * Drives the "Chờ N" toast.
-     */
-    fun getWaitingNumber(
-        grid: Array<IntArray>,
-        crossed: Array<BooleanArray>,
-        row: Int,
-    ): Int? {
-        var remaining: Int? = null
-        for (col in 0 until NUM_COLS) {
-            if (grid[row][col] > 0 && !crossed[row][col]) {
-                if (remaining != null) return null
-                remaining = grid[row][col]
-            }
-        }
-        return remaining
-    }
-
-    // ----- internal helpers (1:1 with game-logic.js:29-138) -----
-
-    /** Pick `num` random values from column `col`'s range, sorted ascending. */
-    private fun randomNumbersInCol(num: Int, col: Int, random: Random): List<Int> {
-        val candidates = NUM_IN_COL[col].toMutableList()
-        candidates.shuffle(random)
-        return candidates.subList(0, num).sorted()
-    }
-
-    /** True when sorted-ascending column indices contain 3 consecutive integers. */
-    private fun hasThreeInARow(cols: List<Int>): Boolean {
-        for (i in 0..cols.size - 3) {
-            if (cols[i + 1] == cols[i] + 1 && cols[i + 2] == cols[i] + 2) return true
-        }
-        return false
-    }
-
-    /** Every k-sized combination of `arr` (preserves input order). */
-    private fun combinations(arr: List<Int>, k: Int): List<List<Int>> {
-        if (k == 0) return listOf(emptyList())
-        if (arr.size < k) return emptyList()
-        val out = mutableListOf<List<Int>>()
-        for (i in 0..arr.size - k) {
-            val head = arr[i]
-            for (tail in combinations(arr.subList(i + 1, arr.size), k - 1)) {
-                out.add(listOf(head) + tail)
-            }
-        }
-        return out
-    }
-
-    /**
-     * Single-attempt per-row column picker. Prefers triple-free completions;
-     * falls back to forced set when no triple-free completion exists so the
-     * column-quota hard invariant never breaks.
-     */
-    private fun pickFilledColsOnce(random: Random): List<List<Int>> {
-        val quota = IntArray(NUM_COLS) { NUM_PER_ROW }
-        val result = mutableListOf<List<Int>>()
-        for (row in 0 until NUM_ROWS) {
-            val rowsLeft = NUM_ROWS - row
-            val forced = mutableListOf<Int>()
-            val candidates = mutableListOf<Int>()
-            for (col in 0 until NUM_COLS) {
-                when {
-                    quota[col] == rowsLeft -> forced.add(col)
-                    quota[col] > 0 -> candidates.add(col)
-                }
-            }
-            val need = NUM_PER_ROW - forced.size
-
-            val validCompletions = mutableListOf<List<Int>>()
-            if (!hasThreeInARow(forced)) {
-                for (combo in combinations(candidates, need)) {
-                    val merged = (forced + combo).sorted()
-                    if (!hasThreeInARow(merged)) validCompletions.add(merged)
-                }
-            }
-
-            val selected = if (validCompletions.isNotEmpty()) {
-                validCompletions[random.nextInt(validCompletions.size)]
-            } else {
-                val shuffled = candidates.toMutableList().also { it.shuffle(random) }
-                (forced + shuffled.subList(0, need)).sorted()
-            }
-
-            for (col in selected) quota[col]--
-            result.add(selected)
-        }
-        return result
-    }
-
-    /** Wraps `pickFilledColsOnce` in rejection sampling. */
-    private fun pickFilledCols(random: Random): List<List<Int>> {
-        var last = pickFilledColsOnce(random)
-        repeat(MAX_REJECTION_ATTEMPTS) {
-            if (last.all { !hasThreeInARow(it) }) return last
-            last = pickFilledColsOnce(random)
-        }
-        return last
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/game/VietnameseNumber.kt b/app/src/main/java/com/miti99/loto/game/VietnameseNumber.kt
deleted file mode 100644
index 2f98e05..0000000
--- a/app/src/main/java/com/miti99/loto/game/VietnameseNumber.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-package com.miti99.loto.game
-
-/**
- * Spoken Vietnamese for lô tô calls (0..90). Honors tonal exceptions:
- *   - 5 → "năm", but `*5` ≥ 20 → "lăm" (e.g. 25 = "hai mươi lăm")
- *   - 1 → "một", but `*1` ≥ 20 → "mốt" (e.g. 21 = "hai mươi mốt")
- *   - 15 → "mười lăm" (special)
- *
- * Out-of-range values fall back to `n.toString()` — matches the JS source's
- * defensive posture (`String(n)` for non-integer / out-of-range), so callers
- * never have to guard.
- */
-object VietnameseNumber {
-
-    private val ONES = listOf(
-        "không", "một", "hai", "ba", "bốn",
-        "năm", "sáu", "bảy", "tám", "chín",
-    )
-
-    fun numberToVietnamese(n: Int): String {
-        if (n < 0 || n > 90) return n.toString()
-        if (n < 10) return ONES[n]
-        if (n == 10) return "mười"
-        if (n < 20) {
-            val u = n - 10
-            return if (u == 5) "mười lăm" else "mười ${ONES[u]}"
-        }
-        val t = n / 10
-        val u = n % 10
-        val tens = "${ONES[t]} mươi"
-        return when (u) {
-            0 -> tens
-            1 -> "$tens mốt"
-            5 -> "$tens lăm"
-            else -> "$tens ${ONES[u]}"
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/settings/SettingsKeys.kt b/app/src/main/java/com/miti99/loto/settings/SettingsKeys.kt
deleted file mode 100644
index 6708b8a..0000000
--- a/app/src/main/java/com/miti99/loto/settings/SettingsKeys.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.miti99.loto.settings
-
-import androidx.datastore.preferences.core.booleanPreferencesKey
-import androidx.datastore.preferences.core.intPreferencesKey
-import androidx.datastore.preferences.core.stringPreferencesKey
-
-internal object SettingsKeys {
-    val EMPTY_CELL_COLOR = stringPreferencesKey("empty_cell_color")
-    val THEME = stringPreferencesKey("theme")
-    val MODE = stringPreferencesKey("mode")
-    val AUTO_CALL_ENABLED = booleanPreferencesKey("auto_call_enabled")
-    val AUTO_CALL_SPEED = intPreferencesKey("auto_call_speed")
-    val VOICE_ENABLED_MASTER = booleanPreferencesKey("voice_enabled_master")
-    val VOICE_ENABLED_PLAYER = booleanPreferencesKey("voice_enabled_player")
-    val VOICE_WAITING_NUMBER = booleanPreferencesKey("voice_waiting_number")
-    val VOICE = stringPreferencesKey("voice")
-
-    /** Legacy key from web `masterMode: true` → migrate to `mode = "both"`. */
-    val LEGACY_MASTER_MODE = booleanPreferencesKey("master_mode")
-}
diff --git a/app/src/main/java/com/miti99/loto/settings/SettingsRepository.kt b/app/src/main/java/com/miti99/loto/settings/SettingsRepository.kt
deleted file mode 100644
index 50f3c54..0000000
--- a/app/src/main/java/com/miti99/loto/settings/SettingsRepository.kt
+++ /dev/null
@@ -1,141 +0,0 @@
-package com.miti99.loto.settings
-
-import androidx.datastore.core.DataMigration
-import androidx.datastore.core.DataStore
-import androidx.datastore.preferences.core.MutablePreferences
-import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.core.edit
-import com.miti99.loto.settings.SettingsKeys as K
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.flow.stateIn
-
-/**
- * DataStore-backed settings. Reads validate per-field; invalid values fall
- * back to defaults (never crashes, matches web `settings-store.svelte.js`).
- *
- * The legacy `masterMode: true` web key is migrated to `mode = "both"` once
- * via [legacyMasterModeMigration] — see [LotoApp] DataStore creation.
- */
-class SettingsRepository(
-    private val dataStore: DataStore<Preferences>,
-    appScope: CoroutineScope,
-    private val validVoiceIds: Set<String> = DEFAULT_VOICE_IDS,
-) {
-
-    val flow: Flow<SettingsState> = dataStore.data.map(::mapToState).distinctUntilChanged()
-
-    /** Hot voice id flow consumed by VoicePlayer. */
-    val voiceFlow: StateFlow<String> = flow
-        .map { it.voice }
-        .stateIn(appScope, SharingStarted.Eagerly, SettingsState.DEFAULT.voice)
-
-    suspend fun setEmptyCellColor(hex: String) {
-        if (!HEX6.matches(hex)) return
-        dataStore.edit { it[K.EMPTY_CELL_COLOR] = hex }
-    }
-
-    suspend fun setTheme(theme: SettingsState.Theme) =
-        dataStore.edit { it[K.THEME] = theme.storageKey }
-
-    suspend fun setMode(mode: SettingsState.Mode) =
-        dataStore.edit { it[K.MODE] = mode.storageKey }
-
-    suspend fun setAutoCallEnabled(enabled: Boolean) =
-        dataStore.edit { it[K.AUTO_CALL_ENABLED] = enabled }
-
-    suspend fun setAutoCallSpeed(s: Int) {
-        val v = s.coerceIn(1, 10)
-        dataStore.edit { it[K.AUTO_CALL_SPEED] = v }
-    }
-
-    suspend fun setVoiceEnabledMaster(b: Boolean) =
-        dataStore.edit { it[K.VOICE_ENABLED_MASTER] = b }
-
-    suspend fun setVoiceEnabledPlayer(b: Boolean) =
-        dataStore.edit { it[K.VOICE_ENABLED_PLAYER] = b }
-
-    suspend fun setVoiceWaitingNumber(b: Boolean) =
-        dataStore.edit { it[K.VOICE_WAITING_NUMBER] = b }
-
-    suspend fun setVoice(id: String) {
-        if (id !in validVoiceIds) return
-        dataStore.edit { it[K.VOICE] = id }
-    }
-
-    suspend fun reset() {
-        dataStore.edit { it.clear() }
-    }
-
-    private fun mapToState(prefs: Preferences): SettingsState {
-        val d = SettingsState.DEFAULT
-        return SettingsState(
-            emptyCellColor = prefs[K.EMPTY_CELL_COLOR]
-                ?.takeIf { HEX6.matches(it) } ?: d.emptyCellColor,
-            theme = prefs[K.THEME]?.let(::themeFromStorage) ?: d.theme,
-            mode = prefs[K.MODE]?.let(::modeFromStorage) ?: d.mode,
-            autoCallEnabled = prefs[K.AUTO_CALL_ENABLED] ?: d.autoCallEnabled,
-            autoCallSpeed = prefs[K.AUTO_CALL_SPEED]?.takeIf { it in 1..10 } ?: d.autoCallSpeed,
-            voiceEnabledMaster = prefs[K.VOICE_ENABLED_MASTER] ?: d.voiceEnabledMaster,
-            voiceEnabledPlayer = prefs[K.VOICE_ENABLED_PLAYER] ?: d.voiceEnabledPlayer,
-            voiceWaitingNumber = prefs[K.VOICE_WAITING_NUMBER] ?: d.voiceWaitingNumber,
-            voice = prefs[K.VOICE]?.takeIf { it in validVoiceIds } ?: d.voice,
-        )
-    }
-
-    companion object {
-        private val HEX6 = Regex("^#[0-9a-fA-F]{6}$")
-        private val DEFAULT_VOICE_IDS = setOf("hoai-my", "nam-minh")
-
-        /**
-         * Legacy migration: web app stored `masterMode: true` for "both" mode.
-         * Translate once and forget.
-         */
-        val legacyMasterModeMigration: DataMigration<Preferences> =
-            object : DataMigration<Preferences> {
-                override suspend fun shouldMigrate(currentData: Preferences): Boolean =
-                    currentData[K.MODE] == null && currentData[K.LEGACY_MASTER_MODE] == true
-
-                override suspend fun migrate(currentData: Preferences): Preferences {
-                    val mut: MutablePreferences = currentData.toMutablePreferences()
-                    mut[K.MODE] = SettingsState.Mode.BOTH.storageKey
-                    mut.remove(K.LEGACY_MASTER_MODE)
-                    return mut
-                }
-
-                override suspend fun cleanUp() = Unit
-            }
-    }
-}
-
-private val SettingsState.Theme.storageKey: String
-    get() = when (this) {
-        SettingsState.Theme.AUTO -> "auto"
-        SettingsState.Theme.LIGHT -> "light"
-        SettingsState.Theme.DARK -> "dark"
-    }
-
-private val SettingsState.Mode.storageKey: String
-    get() = when (this) {
-        SettingsState.Mode.PLAYER -> "player"
-        SettingsState.Mode.MASTER -> "master"
-        SettingsState.Mode.BOTH -> "both"
-    }
-
-private fun themeFromStorage(s: String): SettingsState.Theme? = when (s) {
-    "auto" -> SettingsState.Theme.AUTO
-    "light" -> SettingsState.Theme.LIGHT
-    "dark" -> SettingsState.Theme.DARK
-    else -> null
-}
-
-private fun modeFromStorage(s: String): SettingsState.Mode? = when (s) {
-    "player" -> SettingsState.Mode.PLAYER
-    "master" -> SettingsState.Mode.MASTER
-    "both" -> SettingsState.Mode.BOTH
-    else -> null
-}
diff --git a/app/src/main/java/com/miti99/loto/settings/SettingsState.kt b/app/src/main/java/com/miti99/loto/settings/SettingsState.kt
deleted file mode 100644
index ed1b9bf..0000000
--- a/app/src/main/java/com/miti99/loto/settings/SettingsState.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.miti99.loto.settings
-
-/** UI settings state. Mirrors web `settings-store.svelte.js:16-35`. */
-data class SettingsState(
-    val emptyCellColor: String,
-    val theme: Theme,
-    val mode: Mode,
-    val autoCallEnabled: Boolean,
-    val autoCallSpeed: Int,
-    val voiceEnabledMaster: Boolean,
-    val voiceEnabledPlayer: Boolean,
-    val voiceWaitingNumber: Boolean,
-    val voice: String,
-) {
-    enum class Theme { AUTO, LIGHT, DARK }
-    enum class Mode { PLAYER, MASTER, BOTH }
-
-    companion object {
-        const val DEFAULT_VOICE = "hoai-my"
-        const val DEFAULT_EMPTY_CELL_COLOR = "#7030A0"
-
-        val DEFAULT = SettingsState(
-            emptyCellColor = DEFAULT_EMPTY_CELL_COLOR,
-            theme = Theme.AUTO,
-            mode = Mode.PLAYER,
-            autoCallEnabled = false,
-            autoCallSpeed = 5,
-            voiceEnabledMaster = true,
-            voiceEnabledPlayer = false,
-            voiceWaitingNumber = false,
-            voice = DEFAULT_VOICE,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/CallBus.kt b/app/src/main/java/com/miti99/loto/state/CallBus.kt
deleted file mode 100644
index 252cfa3..0000000
--- a/app/src/main/java/com/miti99/loto/state/CallBus.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package com.miti99.loto.state
-
-import java.util.concurrent.atomic.AtomicLong
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.StateFlow
-
-/**
- * App-scoped event bus. Master broadcasts each draw; PlayerBoard collects in
- * "both" mode for auto-tick. Mirrors `tiennm99/loto/src/lib/call-bus.svelte.js`.
- *
- * `id` monotonically increases so consumers can de-duplicate when the flow
- * re-fires on unrelated dependency changes (e.g. settings.mode flipping).
- */
-class CallBus {
-    private val nextId = AtomicLong(1)
-    private val _events = MutableStateFlow<DrawEvent?>(null)
-    val events: StateFlow<DrawEvent?> = _events
-
-    fun broadcast(num: Int) {
-        _events.value = DrawEvent(num, System.currentTimeMillis(), nextId.getAndIncrement())
-    }
-
-    fun reset() {
-        _events.value = null
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/DeckState.kt b/app/src/main/java/com/miti99/loto/state/DeckState.kt
deleted file mode 100644
index 659ec19..0000000
--- a/app/src/main/java/com/miti99/loto/state/DeckState.kt
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.miti99.loto.state
-
-import kotlinx.serialization.Serializable
-
-/** Master deck — shuffled remaining + ordered called list. */
-@Serializable
-data class DeckState(
-    val called: List<Int>,
-    val remaining: List<Int>,
-) {
-    companion object {
-        fun fresh(random: kotlin.random.Random = kotlin.random.Random.Default): DeckState =
-            DeckState(called = emptyList(), remaining = (1..90).shuffled(random))
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/DrawEvent.kt b/app/src/main/java/com/miti99/loto/state/DrawEvent.kt
deleted file mode 100644
index 62fdd09..0000000
--- a/app/src/main/java/com/miti99/loto/state/DrawEvent.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.miti99.loto.state
-
-/** A single number-drawn event broadcast from MasterPanel to PlayerBoard. */
-data class DrawEvent(val num: Int, val at: Long, val id: Long)
diff --git a/app/src/main/java/com/miti99/loto/state/GameStorage.kt b/app/src/main/java/com/miti99/loto/state/GameStorage.kt
deleted file mode 100644
index 5b35065..0000000
--- a/app/src/main/java/com/miti99/loto/state/GameStorage.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-package com.miti99.loto.state
-
-import androidx.datastore.core.DataStore
-import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.core.edit
-import androidx.datastore.preferences.core.stringPreferencesKey
-import kotlinx.coroutines.flow.first
-import kotlinx.serialization.encodeToString
-import kotlinx.serialization.json.Json
-
-/**
- * DataStore-backed persistence for player grid/crossed and master deck.
- * Single shared DataStore (settings file) — JSON-encoded under string keys.
- */
-class GameStorage(private val dataStore: DataStore<Preferences>) {
-
-    private val json = Json { ignoreUnknownKeys = true }
-
-    suspend fun savePlayerGrid(grid: List<List<Int>>) =
-        dataStore.edit { it[KEY_PLAYER_GRID] = json.encodeToString(grid) }
-
-    suspend fun savePlayerCrossed(crossed: List<List<Boolean>>) =
-        dataStore.edit { it[KEY_PLAYER_CROSSED] = json.encodeToString(crossed) }
-
-    suspend fun loadPlayer(): Pair<List<List<Int>>, List<List<Boolean>>>? {
-        val prefs = dataStore.data.first()
-        val gridStr = prefs[KEY_PLAYER_GRID] ?: return null
-        val crossedStr = prefs[KEY_PLAYER_CROSSED]
-        val grid = runCatching { json.decodeFromString<List<List<Int>>>(gridStr) }
-            .getOrNull()?.takeIf { it.size == 9 && it.all { row -> row.size == 9 } }
-            ?: return null
-        val crossed = crossedStr?.let {
-            runCatching { json.decodeFromString<List<List<Boolean>>>(it) }
-                .getOrNull()?.takeIf { c -> c.size == 9 && c.all { row -> row.size == 9 } }
-        } ?: List(9) { List(9) { false } }
-        return grid to crossed
-    }
-
-    suspend fun saveMasterDeck(deck: DeckState) =
-        dataStore.edit { it[KEY_MASTER_DECK] = json.encodeToString(deck) }
-
-    suspend fun loadMasterDeck(): DeckState? {
-        val prefs = dataStore.data.first()
-        val str = prefs[KEY_MASTER_DECK] ?: return null
-        return runCatching { json.decodeFromString<DeckState>(str) }.getOrNull()
-    }
-
-    suspend fun clearAll() = dataStore.edit {
-        it.remove(KEY_PLAYER_GRID)
-        it.remove(KEY_PLAYER_CROSSED)
-        it.remove(KEY_MASTER_DECK)
-    }
-
-    private companion object {
-        val KEY_PLAYER_GRID = stringPreferencesKey("player_grid_json")
-        val KEY_PLAYER_CROSSED = stringPreferencesKey("player_crossed_json")
-        val KEY_MASTER_DECK = stringPreferencesKey("master_deck_json")
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/MasterPanelUiState.kt b/app/src/main/java/com/miti99/loto/state/MasterPanelUiState.kt
deleted file mode 100644
index b575bb5..0000000
--- a/app/src/main/java/com/miti99/loto/state/MasterPanelUiState.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package com.miti99.loto.state
-
-/** Master panel snapshot. `deck == null` until first newGame(). */
-data class MasterPanelUiState(
-    val deck: DeckState? = null,
-    val lastCalled: Int? = null,
-    val autoRunning: Boolean = false,
-    val callOrder: Map<Int, Int> = emptyMap(),
-)
diff --git a/app/src/main/java/com/miti99/loto/state/MasterPanelViewModel.kt b/app/src/main/java/com/miti99/loto/state/MasterPanelViewModel.kt
deleted file mode 100644
index fc28ec5..0000000
--- a/app/src/main/java/com/miti99/loto/state/MasterPanelViewModel.kt
+++ /dev/null
@@ -1,119 +0,0 @@
-package com.miti99.loto.state
-
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
-import com.miti99.loto.audio.VoicePlayer
-import com.miti99.loto.settings.SettingsRepository
-import com.miti99.loto.settings.SettingsState
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.asStateFlow
-import kotlinx.coroutines.flow.update
-import kotlinx.coroutines.isActive
-import kotlinx.coroutines.launch
-
-/**
- * Host (quản trò) state machine — port of `MasterPanel.svelte`.
- *
- * Auto-call coroutine cancels and restarts whenever (autoRunning,
- * autoCallEnabled, autoCallSpeed) changes — observed from the settings flow.
- */
-class MasterPanelViewModel(
-    private val settingsRepo: SettingsRepository,
-    private val callBus: CallBus,
-    private val voicePlayer: VoicePlayer,
-    private val storage: GameStorage,
-) : ViewModel() {
-
-    private val _state = MutableStateFlow(MasterPanelUiState())
-    val state: StateFlow<MasterPanelUiState> = _state.asStateFlow()
-
-    private var autoJob: Job? = null
-    @Volatile private var cachedSettings: SettingsState = SettingsState.DEFAULT
-
-    init {
-        viewModelScope.launch { loadFromStorage() }
-        viewModelScope.launch {
-            settingsRepo.flow.collect { s ->
-                val prev = cachedSettings
-                cachedSettings = s
-                // If host disabled auto-call mid-run, force-stop.
-                if (!s.autoCallEnabled && _state.value.autoRunning) setAutoRunning(false)
-                // If speed changed mid-run, re-arm at the new cadence.
-                if (_state.value.autoRunning && prev.autoCallSpeed != s.autoCallSpeed) {
-                    restartAutoJob()
-                }
-            }
-        }
-    }
-
-    fun newGame() {
-        voicePlayer.cancel()
-        setAutoRunning(false)
-        callBus.reset()
-        val deck = DeckState.fresh()
-        _state.value = MasterPanelUiState(deck = deck, lastCalled = null, callOrder = emptyMap())
-        viewModelScope.launch { storage.saveMasterDeck(deck) }
-    }
-
-    fun drawNext() {
-        val cur = _state.value
-        val deck = cur.deck ?: return
-        if (deck.remaining.isEmpty()) return
-        val next = deck.remaining.first()
-        val newDeck = deck.copy(
-            called = deck.called + next,
-            remaining = deck.remaining.drop(1),
-        )
-        val newOrder = cur.callOrder + (next to (newDeck.called.size))
-        _state.update { it.copy(deck = newDeck, lastCalled = next, callOrder = newOrder) }
-        callBus.broadcast(next)
-        if (cachedSettings.voiceEnabledMaster) voicePlayer.playNumber(next)
-        viewModelScope.launch { storage.saveMasterDeck(newDeck) }
-    }
-
-    fun toggleAuto() {
-        val deck = _state.value.deck ?: return
-        if (deck.remaining.isEmpty()) return
-        setAutoRunning(!_state.value.autoRunning)
-    }
-
-    private fun setAutoRunning(running: Boolean) {
-        if (_state.value.autoRunning == running) return
-        _state.update { it.copy(autoRunning = running) }
-        if (running) restartAutoJob() else autoJob?.cancel()
-    }
-
-    private fun restartAutoJob() {
-        autoJob?.cancel()
-        autoJob = viewModelScope.launch {
-            while (isActive) {
-                val ms = cachedSettings.autoCallSpeed * 1000L
-                delay(ms)
-                val deck = _state.value.deck ?: break
-                if (deck.remaining.isEmpty()) {
-                    setAutoRunning(false)
-                    break
-                }
-                drawNext()
-            }
-        }
-    }
-
-    private suspend fun loadFromStorage() {
-        val deck = storage.loadMasterDeck() ?: return
-        val order = deck.called.withIndex().associate { (i, n) -> n to (i + 1) }
-        _state.value = MasterPanelUiState(
-            deck = deck,
-            lastCalled = deck.called.lastOrNull(),
-            callOrder = order,
-        )
-    }
-
-    override fun onCleared() {
-        autoJob?.cancel()
-        super.onCleared()
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/PlayerBoardUiState.kt b/app/src/main/java/com/miti99/loto/state/PlayerBoardUiState.kt
deleted file mode 100644
index 6ad29dc..0000000
--- a/app/src/main/java/com/miti99/loto/state/PlayerBoardUiState.kt
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.miti99.loto.state
-
-data class BingoEvent(val row1Based: Int, val tier: Int)
-
-data class WaitingToast(val message: String, val seenAt: Long)
-
-/**
- * Snapshot of the player card surface. `grid == null` means cold-start (show
- * the faded preview). `rowComplete` is precomputed in the VM so the UI doesn't
- * call isRowComplete inside Compose composition.
- */
-data class PlayerBoardUiState(
-    val grid: List<List<Int>>? = null,
-    val crossed: List<List<Boolean>> = emptyList(),
-    val rowComplete: List<Boolean> = emptyList(),
-    val bingoEvent: BingoEvent? = null,
-    val waitingToast: WaitingToast? = null,
-    val celebratedRows: Set<Int> = emptySet(),
-    val notifiedWaitingRows: Set<Int> = emptySet(),
-    val lastConsumedEventId: Long = 0L,
-    /**
-     * Per-section flag (size 3): rows 0-2, 3-5, 6-8. True iff any row in
-     * that section is one cell from bingo and not yet complete. Drives
-     * the persistent amber ring on the section label band.
-     */
-    val sectionHasWaiting: List<Boolean> = listOf(false, false, false),
-)
diff --git a/app/src/main/java/com/miti99/loto/state/PlayerBoardViewModel.kt b/app/src/main/java/com/miti99/loto/state/PlayerBoardViewModel.kt
deleted file mode 100644
index d287840..0000000
--- a/app/src/main/java/com/miti99/loto/state/PlayerBoardViewModel.kt
+++ /dev/null
@@ -1,277 +0,0 @@
-package com.miti99.loto.state
-
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
-import com.miti99.loto.audio.VoicePlayer
-import com.miti99.loto.game.GameLogic
-import com.miti99.loto.settings.SettingsRepository
-import com.miti99.loto.settings.SettingsState
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.asStateFlow
-import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.flow.update
-import kotlinx.coroutines.launch
-
-/**
- * Player card state machine — port of `PlayerBoard.svelte`.
- *
- * Bingo / waiting idempotency: `celebratedRows` and `notifiedWaitingRows`
- * are sticky sets; only `generate()` and `clear()` reset them. Bus events
- * are de-duplicated by monotonic `id` to defend against re-emit on settings
- * change (per phase 06 risk register).
- */
-class PlayerBoardViewModel(
-    private val settingsRepo: SettingsRepository,
-    private val callBus: CallBus,
-    private val voicePlayer: VoicePlayer,
-    private val storage: GameStorage,
-) : ViewModel() {
-
-    private val _state = MutableStateFlow(PlayerBoardUiState())
-    val state: StateFlow<PlayerBoardUiState> = _state.asStateFlow()
-
-    private var persistJob: Job? = null
-
-    init {
-        viewModelScope.launch { loadFromStorage() }
-        viewModelScope.launch {
-            combine(callBus.events, settingsRepo.flow.map { it.mode }, ::Pair)
-                .collect { (event, mode) ->
-                    if (event != null && mode == SettingsState.Mode.BOTH) consumeBusEvent(event)
-                }
-        }
-    }
-
-    fun generate() {
-        voicePlayer.cancel()
-        val grid = GameLogic.generateGrid().map { it.toList() }
-        val crossed = List(grid.size) { List(grid[0].size) { false } }
-        _state.value = PlayerBoardUiState(
-            grid = grid,
-            crossed = crossed,
-            rowComplete = List(grid.size) { false },
-            sectionHasWaiting = listOf(false, false, false),
-        )
-        persistDebounced()
-    }
-
-    fun clear() {
-        val cur = _state.value
-        val grid = cur.grid ?: return
-        voicePlayer.cancel()
-        val cleared = List(grid.size) { List(grid[0].size) { false } }
-        _state.update {
-            it.copy(
-                crossed = cleared,
-                rowComplete = List(grid.size) { false },
-                celebratedRows = emptySet(),
-                notifiedWaitingRows = emptySet(),
-                bingoEvent = null,
-                waitingToast = null,
-                sectionHasWaiting = listOf(false, false, false),
-            )
-        }
-        persistDebounced()
-    }
-
-    fun toggleCell(row: Int, col: Int) {
-        val cur = _state.value
-        val grid = cur.grid ?: return
-        if (grid[row][col] <= 0) return
-        val newCrossed = cur.crossed.mapIndexed { r, line ->
-            if (r == row) line.mapIndexed { c, v -> if (c == col) !v else v } else line
-        }
-        applyCrossedChange(newCrossed)
-    }
-
-    fun dismissBingo() = _state.update { it.copy(bingoEvent = null) }
-
-    fun dismissWaitingToast() = _state.update { it.copy(waitingToast = null) }
-
-    // ----- internals -----
-
-    private suspend fun loadFromStorage() {
-        val (grid, crossed) = storage.loadPlayer() ?: return
-        val gridArr = toIntArray(grid)
-        val crossedArr = toBoolArray(crossed)
-        val rowComplete = List(grid.size) { GameLogic.isRowComplete(gridArr, crossedArr, it) }
-        val celebrated = rowComplete.withIndex().filter { it.value }.map { it.index }.toSet()
-        val notifiedWaiting = (grid.indices)
-            .filter { GameLogic.getWaitingNumber(gridArr, crossedArr, it) != null }
-            .toSet()
-        _state.value = PlayerBoardUiState(
-            grid = grid,
-            crossed = crossed,
-            rowComplete = rowComplete,
-            celebratedRows = celebrated,
-            notifiedWaitingRows = notifiedWaiting,
-            sectionHasWaiting = computeSectionHasWaiting(gridArr, crossedArr, rowComplete),
-        )
-    }
-
-    /**
-     * Set-only auto-tick from MasterPanel. Mirrors `PlayerBoard.svelte:136-151`:
-     * find the first uncrossed match and mark it; never unmark.
-     */
-    private fun consumeBusEvent(event: DrawEvent) {
-        val cur = _state.value
-        if (event.id <= cur.lastConsumedEventId) return
-        val grid = cur.grid ?: return run {
-            _state.update { it.copy(lastConsumedEventId = event.id) }
-        }
-        var hit = false
-        val newCrossed = cur.crossed.mapIndexed { r, line ->
-            line.mapIndexed { c, v ->
-                if (!hit && grid[r][c] == event.num && !v) { hit = true; true } else v
-            }
-        }
-        if (hit) {
-            applyCrossedChange(newCrossed, lastConsumedEventId = event.id)
-        } else {
-            _state.update { it.copy(lastConsumedEventId = event.id) }
-        }
-    }
-
-    /**
-     * Two-pass effect mirror of `PlayerBoard.svelte:91-126`. Pass 1: at most
-     * one new bingo per state change. Pass 2: waiting toast for every
-     * non-celebrated row that just hit "1 remaining".
-     */
-    private fun applyCrossedChange(
-        newCrossed: List<List<Boolean>>,
-        lastConsumedEventId: Long? = null,
-    ) {
-        val cur = _state.value
-        val grid = cur.grid ?: return
-        val gridArr = toIntArray(grid)
-        val crossedArr = toBoolArray(newCrossed)
-
-        val rowComplete = List(grid.size) { GameLogic.isRowComplete(gridArr, crossedArr, it) }
-
-        var celebrated = cur.celebratedRows
-        var notifiedWaiting = cur.notifiedWaitingRows
-        var bingoEvent: BingoEvent? = cur.bingoEvent
-        var waitingToast: WaitingToast? = cur.waitingToast
-
-        val announce = shouldAnnounce()
-
-        // Pass 1: one new bingo
-        run {
-            for (i in grid.indices) {
-                if (i !in celebrated && rowComplete[i]) {
-                    celebrated = celebrated + i
-                    notifiedWaiting = notifiedWaiting + i
-                    // Tier 2 confetti: 2nd bingo, OR 1st bingo while another row
-                    // is one cell from completion. Old "≥3 bingos" rule rarely
-                    // fired on a 9-row card so most wins felt under-celebrated.
-                    val hasActiveCho = grid.indices.any { otherRow ->
-                        otherRow !in celebrated &&
-                            GameLogic.getWaitingNumber(gridArr, crossedArr, otherRow) != null
-                    }
-                    val tier = when {
-                        celebrated.size >= 2 -> 2
-                        celebrated.size >= 1 && hasActiveCho -> 2
-                        else -> 1
-                    }
-                    bingoEvent = BingoEvent(row1Based = i + 1, tier = tier)
-                    if (announce) voicePlayer.playBingo()
-                    return@run
-                }
-            }
-        }
-
-        // Pass 2: waiting toast / clear
-        for (i in grid.indices) {
-            if (i in celebrated) continue
-            val waitNum = GameLogic.getWaitingNumber(gridArr, crossedArr, i)
-            if (waitNum != null && i !in notifiedWaiting) {
-                notifiedWaiting = notifiedWaiting + i
-                waitingToast = WaitingToast("Chờ $waitNum", System.currentTimeMillis())
-                if (announce) voicePlayer.playWaiting(waitNum, includeNumberSettings())
-            } else if (waitNum == null && i in notifiedWaiting && !rowComplete[i]) {
-                notifiedWaiting = notifiedWaiting - i
-            }
-        }
-
-        _state.update {
-            it.copy(
-                crossed = newCrossed,
-                rowComplete = rowComplete,
-                celebratedRows = celebrated,
-                notifiedWaitingRows = notifiedWaiting,
-                bingoEvent = bingoEvent,
-                waitingToast = waitingToast,
-                lastConsumedEventId = lastConsumedEventId ?: it.lastConsumedEventId,
-                sectionHasWaiting = computeSectionHasWaiting(gridArr, crossedArr, rowComplete),
-            )
-        }
-        persistDebounced()
-    }
-
-    private fun shouldAnnounce(): Boolean {
-        // Read settings flow synchronously via a non-blocking peek — we have
-        // a StateFlow upstream so .replayCache exists. For correctness on
-        // first-frame, fall back to DEFAULT.
-        val s = currentSettings()
-        return s.voiceEnabledPlayer ||
-            (s.voiceEnabledMaster && s.mode == SettingsState.Mode.BOTH)
-    }
-
-    private fun includeNumberSettings(): Boolean = currentSettings().voiceWaitingNumber
-
-    private fun currentSettings(): SettingsState =
-        // settingsRepo.voiceFlow is a StateFlow; we don't have a synchronous
-        // SettingsState mirror. The phase-09 SettingsViewModel exposes one;
-        // for the VM here, we suspend-read at call sites instead. To keep
-        // the surface simple, snapshot via a tiny cache updated on every
-        // collected emission.
-        cachedSettings ?: SettingsState.DEFAULT
-
-    @Volatile private var cachedSettings: SettingsState? = null
-
-    init {
-        viewModelScope.launch {
-            settingsRepo.flow.collect { cachedSettings = it }
-        }
-    }
-
-    private fun persistDebounced() {
-        persistJob?.cancel()
-        persistJob = viewModelScope.launch {
-            delay(300)
-            val s = _state.value
-            val grid = s.grid ?: return@launch
-            storage.savePlayerGrid(grid)
-            storage.savePlayerCrossed(s.crossed)
-        }
-    }
-
-    private fun toIntArray(grid: List<List<Int>>): Array<IntArray> =
-        Array(grid.size) { r -> IntArray(grid[r].size) { c -> grid[r][c] } }
-
-    private fun toBoolArray(crossed: List<List<Boolean>>): Array<BooleanArray> =
-        Array(crossed.size) { r -> BooleanArray(crossed[r].size) { c -> crossed[r][c] } }
-
-    /**
-     * Per-section waiting flag (rows 0-2, 3-5, 6-8). True when any row in
-     * the section has exactly 1 uncrossed number AND is not yet complete.
-     */
-    private fun computeSectionHasWaiting(
-        gridArr: Array<IntArray>,
-        crossedArr: Array<BooleanArray>,
-        rowComplete: List<Boolean>,
-    ): List<Boolean> {
-        val waitingRows = gridArr.indices.map { r ->
-            !rowComplete.getOrElse(r) { false } &&
-                GameLogic.getWaitingNumber(gridArr, crossedArr, r) != null
-        }
-        return listOf(0, 3, 6).map { start ->
-            (start until start + 3).any { r -> waitingRows.getOrElse(r) { false } }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/SettingsViewModel.kt b/app/src/main/java/com/miti99/loto/state/SettingsViewModel.kt
deleted file mode 100644
index 70ad4f5..0000000
--- a/app/src/main/java/com/miti99/loto/state/SettingsViewModel.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.miti99.loto.state
-
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
-import com.miti99.loto.settings.SettingsRepository
-import com.miti99.loto.settings.SettingsState
-import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.launch
-
-/** Thin wrapper over [SettingsRepository]. */
-class SettingsViewModel(
-    private val repo: SettingsRepository,
-) : ViewModel() {
-
-    val state: StateFlow<SettingsState> = repo.flow
-        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), SettingsState.DEFAULT)
-
-    fun setEmptyCellColor(hex: String) = launch { repo.setEmptyCellColor(hex) }
-    fun setTheme(theme: SettingsState.Theme) = launch { repo.setTheme(theme) }
-    fun setMode(mode: SettingsState.Mode) = launch { repo.setMode(mode) }
-    fun setAutoCallEnabled(enabled: Boolean) = launch { repo.setAutoCallEnabled(enabled) }
-    fun setAutoCallSpeed(s: Int) = launch { repo.setAutoCallSpeed(s) }
-    fun setVoiceEnabledMaster(b: Boolean) = launch { repo.setVoiceEnabledMaster(b) }
-    fun setVoiceEnabledPlayer(b: Boolean) = launch { repo.setVoiceEnabledPlayer(b) }
-    fun setVoiceWaitingNumber(b: Boolean) = launch { repo.setVoiceWaitingNumber(b) }
-    fun setVoice(id: String) = launch { repo.setVoice(id) }
-    fun reset() = launch { repo.reset() }
-
-    private fun launch(block: suspend () -> Unit) {
-        viewModelScope.launch { block() }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/state/ViewModelFactory.kt b/app/src/main/java/com/miti99/loto/state/ViewModelFactory.kt
deleted file mode 100644
index f22cfd9..0000000
--- a/app/src/main/java/com/miti99/loto/state/ViewModelFactory.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-package com.miti99.loto.state
-
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-import androidx.lifecycle.viewmodel.initializer
-import androidx.lifecycle.viewmodel.viewModelFactory
-import com.miti99.loto.LotoApp
-
-/**
- * Single ViewModelProvider.Factory entry that builds every app VM from the
- * [LotoApp] singleton graph. Composables get a VM via:
- *
- *   val vm: PlayerBoardViewModel = viewModel(factory = LotoViewModelFactory(app))
- */
-fun lotoViewModelFactory(app: LotoApp): ViewModelProvider.Factory = viewModelFactory {
-    val storage = GameStorage(app.lotoDataStoreInternal)
-    initializer {
-        PlayerBoardViewModel(
-            settingsRepo = app.settingsRepo,
-            callBus = app.callBus,
-            voicePlayer = app.voicePlayer,
-            storage = storage,
-        )
-    }
-    initializer {
-        MasterPanelViewModel(
-            settingsRepo = app.settingsRepo,
-            callBus = app.callBus,
-            voicePlayer = app.voicePlayer,
-            storage = storage,
-        )
-    }
-    initializer {
-        SettingsViewModel(repo = app.settingsRepo)
-    }
-}
-
-internal inline fun <reified VM : ViewModel> ViewModelProvider.get(): VM = get(VM::class.java)
diff --git a/app/src/main/java/com/miti99/loto/ui/LotoAppRoot.kt b/app/src/main/java/com/miti99/loto/ui/LotoAppRoot.kt
deleted file mode 100644
index 4259b9b..0000000
--- a/app/src/main/java/com/miti99/loto/ui/LotoAppRoot.kt
+++ /dev/null
@@ -1,170 +0,0 @@
-package com.miti99.loto.ui
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.WindowInsets
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.safeDrawing
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.HorizontalDivider
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.CompositionLocalProvider
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import androidx.lifecycle.viewmodel.compose.viewModel
-import com.miti99.loto.LotoApp
-import com.miti99.loto.R
-import com.miti99.loto.audio.VoiceManifest
-import com.miti99.loto.settings.SettingsState
-import com.miti99.loto.state.MasterPanelViewModel
-import com.miti99.loto.state.PlayerBoardViewModel
-import com.miti99.loto.state.SettingsViewModel
-import com.miti99.loto.state.lotoViewModelFactory
-import com.miti99.loto.ui.board.PlayerBoardScreen
-import com.miti99.loto.ui.common.LocalEmptyCellColor
-import com.miti99.loto.ui.master.MasterPanelScreen
-import com.miti99.loto.ui.settings.SettingsSheet
-import com.miti99.loto.ui.settings.parseHex
-import com.miti99.loto.ui.theme.LotoTheme
-
-/**
- * Root composable. Instantiates all three ViewModels from [lotoViewModelFactory],
- * applies the user-selected theme override, provides [LocalEmptyCellColor], and
- * conditionally renders [PlayerBoardScreen] / [MasterPanelScreen] based on mode.
- */
-@Composable
-fun LotoAppRoot() {
-    val app = LocalContext.current.applicationContext as LotoApp
-    val factory = remember(app) { lotoViewModelFactory(app) }
-
-    val settingsVm: SettingsViewModel = viewModel(factory = factory)
-    val playerVm: PlayerBoardViewModel = viewModel(factory = factory)
-    val masterVm: MasterPanelViewModel = viewModel(factory = factory)
-
-    val settingsState by settingsVm.state.collectAsStateWithLifecycle()
-    val playerState by playerVm.state.collectAsStateWithLifecycle()
-    val masterState by masterVm.state.collectAsStateWithLifecycle()
-
-    // Load voice list once at composition entry
-    val voices = remember(app) {
-        try { VoiceManifest.load(app) } catch (_: Exception) { emptyList() }
-    }
-
-    val forcedDark: Boolean? = when (settingsState.theme) {
-        SettingsState.Theme.AUTO  -> null
-        SettingsState.Theme.LIGHT -> false
-        SettingsState.Theme.DARK  -> true
-    }
-
-    val emptyCellColor = remember(settingsState.emptyCellColor) {
-        parseHex(settingsState.emptyCellColor)
-    }
-
-    LotoTheme(forcedDark = forcedDark) {
-        CompositionLocalProvider(LocalEmptyCellColor provides emptyCellColor) {
-            var showSettings by rememberSaveable { mutableStateOf(false) }
-
-            Scaffold(
-                topBar = { LotoTopBar(onSettingsClick = { showSettings = true }) },
-                contentWindowInsets = WindowInsets.safeDrawing,
-            ) { paddingValues ->
-                Column(
-                    modifier = Modifier
-                        .fillMaxSize()
-                        .padding(paddingValues)
-                        .verticalScroll(rememberScrollState()),
-                ) {
-                    Wordmark(modifier = Modifier.padding(vertical = 8.dp))
-
-                    when (settingsState.mode) {
-                        SettingsState.Mode.PLAYER -> {
-                            PlayerBoardScreen(
-                                state = playerState,
-                                emptyCellColor = emptyCellColor,
-                                onGenerate = playerVm::generate,
-                                onClear = playerVm::clear,
-                                onCellClick = playerVm::toggleCell,
-                                onDismissBingo = playerVm::dismissBingo,
-                                onDismissToast = playerVm::dismissWaitingToast,
-                            )
-                        }
-
-                        SettingsState.Mode.MASTER -> {
-                            MasterPanelScreen(
-                                state = masterState,
-                                autoCallEnabled = settingsState.autoCallEnabled,
-                                autoCallSpeed = settingsState.autoCallSpeed,
-                                onNewGame = masterVm::newGame,
-                                onDrawNext = masterVm::drawNext,
-                                onToggleAuto = masterVm::toggleAuto,
-                            )
-                        }
-
-                        SettingsState.Mode.BOTH -> {
-                            // Master panel on top, player board below
-                            Text(
-                                text = stringResource(R.string.mode_master),
-                                style = MaterialTheme.typography.labelLarge,
-                                fontWeight = FontWeight.Bold,
-                                fontSize = 12.sp,
-                                color = MaterialTheme.colorScheme.onSurfaceVariant,
-                                modifier = Modifier.padding(start = 12.dp, top = 4.dp, bottom = 2.dp),
-                            )
-                            MasterPanelScreen(
-                                state = masterState,
-                                autoCallEnabled = settingsState.autoCallEnabled,
-                                autoCallSpeed = settingsState.autoCallSpeed,
-                                onNewGame = masterVm::newGame,
-                                onDrawNext = masterVm::drawNext,
-                                onToggleAuto = masterVm::toggleAuto,
-                            )
-                            HorizontalDivider(modifier = Modifier.padding(vertical = 16.dp))
-                            PlayerBoardScreen(
-                                state = playerState,
-                                emptyCellColor = emptyCellColor,
-                                onGenerate = playerVm::generate,
-                                onClear = playerVm::clear,
-                                onCellClick = playerVm::toggleCell,
-                                onDismissBingo = playerVm::dismissBingo,
-                                onDismissToast = playerVm::dismissWaitingToast,
-                            )
-                        }
-                    }
-                }
-            }
-
-            // Settings bottom sheet — rendered outside Scaffold so it overlays correctly
-            if (showSettings) {
-                SettingsSheet(
-                    state = settingsState,
-                    voices = voices,
-                    onSetTheme = settingsVm::setTheme,
-                    onSetMode = settingsVm::setMode,
-                    onSetAutoCallEnabled = settingsVm::setAutoCallEnabled,
-                    onSetAutoCallSpeed = settingsVm::setAutoCallSpeed,
-                    onSetVoiceEnabledMaster = settingsVm::setVoiceEnabledMaster,
-                    onSetVoiceEnabledPlayer = settingsVm::setVoiceEnabledPlayer,
-                    onSetVoiceWaitingNumber = settingsVm::setVoiceWaitingNumber,
-                    onSetVoice = settingsVm::setVoice,
-                    onSetEmptyCellColor = settingsVm::setEmptyCellColor,
-                    onReset = settingsVm::reset,
-                    onDismiss = { showSettings = false },
-                )
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/LotoTopBar.kt b/app/src/main/java/com/miti99/loto/ui/LotoTopBar.kt
deleted file mode 100644
index f776b59..0000000
--- a/app/src/main/java/com/miti99/loto/ui/LotoTopBar.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.miti99.loto.ui
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Settings
-import androidx.compose.material3.CenterAlignedTopAppBar
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.res.stringResource
-import com.miti99.loto.R
-
-/**
- * App bar — empty center title (wordmark lives in the content area below),
- * settings gear icon on the trailing end.
- */
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun LotoTopBar(onSettingsClick: () -> Unit) {
-    CenterAlignedTopAppBar(
-        title = { /* wordmark is in the scrollable content below */ },
-        actions = {
-            IconButton(onClick = onSettingsClick) {
-                Icon(
-                    imageVector = Icons.Default.Settings,
-                    contentDescription = stringResource(R.string.settings_title),
-                )
-            }
-        },
-    )
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/Wordmark.kt b/app/src/main/java/com/miti99/loto/ui/Wordmark.kt
deleted file mode 100644
index 5ebf9ac..0000000
--- a/app/src/main/java/com/miti99/loto/ui/Wordmark.kt
+++ /dev/null
@@ -1,56 +0,0 @@
-package com.miti99.loto.ui
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.geometry.Offset
-import androidx.compose.ui.graphics.Brush
-import androidx.compose.ui.graphics.Shadow
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.FontStyle
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-import com.miti99.loto.ui.theme.BrandAmberLight
-import com.miti99.loto.ui.theme.BrandRoseLight
-
-/**
- * Centered wordmark: italic "Lô tô" in rose→amber→rose gradient, with a small
- * "Hội chợ TN1" subtitle beneath. Port of the SvelteKit root heading.
- */
-@Composable
-fun Wordmark(modifier: Modifier = Modifier) {
-    val gradient = Brush.horizontalGradient(
-        colors = listOf(BrandRoseLight, BrandAmberLight, BrandRoseLight),
-    )
-
-    Column(
-        modifier = modifier.fillMaxWidth(),
-        horizontalAlignment = Alignment.CenterHorizontally,
-    ) {
-        Text(
-            text = "Lô tô",
-            style = TextStyle(
-                brush = gradient,
-                fontSize = 64.sp,
-                fontWeight = FontWeight.Black,
-                fontStyle = FontStyle.Italic,
-                shadow = Shadow(
-                    color = androidx.compose.ui.graphics.Color.Black.copy(alpha = 0.2f),
-                    offset = Offset(0f, 2f),
-                    blurRadius = 4f,
-                ),
-            ),
-        )
-        Text(
-            text = stringResource(R.string.wordmark_subtitle),
-            fontSize = 14.sp,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/ChoToast.kt b/app/src/main/java/com/miti99/loto/ui/board/ChoToast.kt
deleted file mode 100644
index 64263b0..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/ChoToast.kt
+++ /dev/null
@@ -1,75 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
-import androidx.compose.animation.scaleIn
-import androidx.compose.animation.scaleOut
-import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.semantics.Role
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-import com.miti99.loto.state.WaitingToast
-import kotlinx.coroutines.delay
-
-private val AmberBackground = Color(0xFFF59E0B)  // amber-500
-private val AmberText = Color(0xFF1C1917)         // stone-900 — high contrast on amber
-
-/**
- * Amber capsule overlay showing "Chờ N" when one number remains in a row.
- *
- * Auto-dismisses after 5 s. Tap dismisses immediately.
- * Caller wraps this inside a Box with absolute positioning over the board.
- */
-@Composable
-fun ChoToast(
-    toast: WaitingToast?,
-    onDismiss: () -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    // Auto-dismiss after 5 seconds, keyed on seenAt so a new toast resets the timer.
-    LaunchedEffect(toast?.seenAt) {
-        if (toast != null) {
-            delay(5_000)
-            onDismiss()
-        }
-    }
-
-    AnimatedVisibility(
-        visible = toast != null,
-        enter = scaleIn() + fadeIn(),
-        exit = scaleOut() + fadeOut(),
-        modifier = modifier,
-    ) {
-        Box(
-            modifier = Modifier
-                .clip(RoundedCornerShape(50))
-                .background(AmberBackground)
-                .clickable(role = Role.Button, onClickLabel = stringResource(R.string.toast_close)) {
-                    onDismiss()
-                }
-                .padding(horizontal = 24.dp, vertical = 10.dp),
-        ) {
-            Text(
-                text = toast?.message ?: "",
-                color = AmberText,
-                fontWeight = FontWeight.Bold,
-                fontSize = 18.sp,
-            )
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/Confetti.kt b/app/src/main/java/com/miti99/loto/ui/board/Confetti.kt
deleted file mode 100644
index bd78199..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/Confetti.kt
+++ /dev/null
@@ -1,103 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.offset
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableLongStateOf
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.runtime.withFrameNanos
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.graphicsLayer
-import androidx.compose.ui.platform.LocalConfiguration
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-
-// Hội-chợ flavour added (lantern, bamboo, chopsticks) so the celebration
-// set reads as Vietnamese fair, not generic party.
-private val CONFETTI_EMOJI = listOf("🎊", "✨", "🎉", "🥳", "🥢", "🎋", "🏮")
-private const val PARTICLE_COUNT = 12
-private const val DURATION_NS = 3_000_000_000L  // 3 seconds
-
-private data class Particle(
-    val emoji: String,
-    val startXFraction: Float,   // 0..1 fraction of screen width
-    val speed: Float,             // px per second (screen height fraction)
-    val rotationSpeed: Float,     // degrees per second
-    val delayNs: Long,            // stagger start
-    val fontSizeSp: Float,        // per-piece size jitter
-)
-
-/**
- * Canvas-free confetti rain. 12 emoji particles fall from the top using
- * a single `withFrameNanos` loop — one recompose per frame, no allocations
- * inside the loop.
- *
- * Visible only when `visible == true`. Particles auto-stop after 3 s.
- */
-@Composable
-fun Confetti(
-    visible: Boolean,
-    modifier: Modifier = Modifier,
-) {
-    if (!visible) return
-
-    val screenHeightPx = LocalConfiguration.current.screenHeightDp * 3f  // approx density-independent to px ratio
-    val screenWidthDp = LocalConfiguration.current.screenWidthDp.toFloat()
-
-    val particles = remember {
-        List(PARTICLE_COUNT) { i ->
-            // Match upstream jitter range 1.5..2.4rem; render as sp.
-            // 1rem ≈ 16sp on default density.
-            val sizeRem = 1.5f + ((i * 13) % 11) / 10f
-            Particle(
-                emoji = CONFETTI_EMOJI[i % CONFETTI_EMOJI.size],
-                startXFraction = (i.toFloat() / PARTICLE_COUNT) + (((i * 17) % 10) / 100f),
-                speed = screenHeightPx * (0.25f + (i % 5) * 0.05f),
-                rotationSpeed = 60f + (i % 7) * 30f,
-                delayNs = (i * 150_000_000L),  // 150 ms stagger
-                fontSizeSp = (sizeRem * 16f).coerceIn(24f, 38f),
-            )
-        }
-    }
-
-    var elapsedNs by remember { mutableLongStateOf(0L) }
-    var running by remember { mutableStateOf(true) }
-
-    LaunchedEffect(visible) {
-        elapsedNs = 0L
-        running = true
-        var lastFrameNs = 0L
-        while (running && elapsedNs < DURATION_NS) {
-            withFrameNanos { frameNs ->
-                if (lastFrameNs == 0L) lastFrameNs = frameNs
-                elapsedNs += (frameNs - lastFrameNs).coerceAtMost(32_000_000L) // cap at 32ms
-                lastFrameNs = frameNs
-            }
-        }
-        running = false
-    }
-
-    Box(modifier = modifier.fillMaxSize()) {
-        particles.forEach { p ->
-            val adjustedElapsed = (elapsedNs - p.delayNs).coerceAtLeast(0L)
-            val progress = adjustedElapsed / 1_000_000_000f  // seconds
-            val yDp = (p.speed * progress / 3f)  // approx dp
-            val xDp = p.startXFraction * screenWidthDp
-            val rotation = p.rotationSpeed * progress
-
-            Text(
-                text = p.emoji,
-                fontSize = p.fontSizeSp.sp,
-                modifier = Modifier
-                    .offset(x = xDp.dp, y = yDp.dp)
-                    .graphicsLayer { rotationZ = rotation % 360f },
-            )
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/GhostPreview.kt b/app/src/main/java/com/miti99/loto/ui/board/GhostPreview.kt
deleted file mode 100644
index 4ecb9a1..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/GhostPreview.kt
+++ /dev/null
@@ -1,104 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.aspectRatio
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.alpha
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.SpanStyle
-import androidx.compose.ui.text.buildAnnotatedString
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.withStyle
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-
-// Stub numbers for the ghost 9-col grid — 27 cells total (3 rows × 9 cols).
-// Every 3rd position (index % 3 == 0) is treated as a "filled" number slot.
-private val GHOST_ROWS = listOf(
-    listOf(5, 0, 0, 23, 0, 0, 47, 0, 0),
-    listOf(0, 12, 0, 0, 34, 0, 0, 56, 0),
-    listOf(0, 0, 18, 0, 0, 41, 0, 0, 72),
-)
-
-/**
- * Cold-start placeholder shown when `grid == null`.
- * Renders a faded 9-col ghost grid with a prompt instructing the user
- * to tap "Tạo bảng mới" to generate a real card.
- */
-@Composable
-fun GhostPreview(
-    modifier: Modifier = Modifier,
-) {
-    Column(
-        modifier = modifier
-            .fillMaxWidth()
-            .padding(horizontal = 4.dp),
-        horizontalAlignment = Alignment.CenterHorizontally,
-    ) {
-        // Faded ghost grid
-        Column(modifier = Modifier.alpha(0.3f).fillMaxWidth()) {
-            GHOST_ROWS.forEach { row ->
-                Row(modifier = Modifier.fillMaxWidth()) {
-                    row.forEach { num ->
-                        Box(
-                            contentAlignment = Alignment.Center,
-                            modifier = Modifier
-                                .weight(1f)
-                                .aspectRatio(3f / 4f)
-                                .background(
-                                    if (num > 0) Color(0xFFE2E8F0)
-                                    else Color(0xFF7030A0),
-                                ),
-                        ) {
-                            if (num > 0) {
-                                Text(
-                                    text = num.toString(),
-                                    fontSize = 12.sp,
-                                    fontWeight = FontWeight.SemiBold,
-                                )
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        Spacer(modifier = Modifier.height(24.dp))
-
-        // Prompt text
-        Text(
-            text = buildAnnotatedString {
-                append(stringResource(R.string.ghost_press_to_start_prefix))
-                append(" ")
-                withStyle(SpanStyle(fontWeight = FontWeight.Bold, color = MaterialTheme.colorScheme.primary)) {
-                    append(stringResource(R.string.ghost_quote_word))
-                }
-                append(" ")
-                append(stringResource(R.string.ghost_press_to_start_suffix))
-            },
-            style = MaterialTheme.typography.bodyMedium,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-        )
-
-        Spacer(modifier = Modifier.height(12.dp))
-
-        Text(
-            text = stringResource(R.string.ghost_have_fun),
-            style = MaterialTheme.typography.bodySmall,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/KinhModal.kt b/app/src/main/java/com/miti99/loto/ui/board/KinhModal.kt
deleted file mode 100644
index 36291da..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/KinhModal.kt
+++ /dev/null
@@ -1,116 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.Button
-import androidx.compose.material3.ButtonDefaults
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.geometry.Offset
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.Shadow
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.FontStyle
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import androidx.compose.ui.window.Dialog
-import androidx.compose.ui.window.DialogProperties
-import com.miti99.loto.R
-import com.miti99.loto.state.BingoEvent
-import com.miti99.loto.ui.theme.BrandAmber600
-import com.miti99.loto.ui.theme.BrandRose600
-
-/**
- * "Kinh!" bingo celebration dialog.
- *
- * Shown when [bingoEvent] is non-null. Tier 2 fires confetti through the
- * sibling Box in [PlayerBoardScreen] (see [PlayerBoardViewModel] for the
- * tier rule).
- */
-@Composable
-fun KinhModal(
-    bingoEvent: BingoEvent,
-    onDismiss: () -> Unit,
-) {
-    Dialog(
-        onDismissRequest = onDismiss,
-        properties = DialogProperties(dismissOnBackPress = true, dismissOnClickOutside = true),
-    ) {
-        Column(
-            modifier = Modifier
-                .fillMaxWidth()
-                .clip(RoundedCornerShape(20.dp))
-                .background(Color.White)
-                .padding(24.dp),
-            horizontalAlignment = Alignment.CenterHorizontally,
-            verticalArrangement = Arrangement.spacedBy(8.dp),
-        ) {
-            // Solid amber title "Kinh!" — single-accent palette.
-            Text(
-                text = stringResource(R.string.kinh_title),
-                color = BrandAmber600,
-                style = TextStyle(
-                    fontSize = 48.sp,
-                    fontWeight = FontWeight.Black,
-                    fontStyle = FontStyle.Italic,
-                    shadow = Shadow(
-                        color = Color.Black.copy(alpha = 0.15f),
-                        offset = Offset(0f, 2f),
-                        blurRadius = 4f,
-                    ),
-                ),
-            )
-
-            Spacer(modifier = Modifier.height(4.dp))
-
-            // Row completion message
-            Text(
-                text = "${stringResource(R.string.kinh_row_done_prefix)} ${bingoEvent.row1Based} ${stringResource(R.string.kinh_row_done_suffix)}",
-                fontSize = 18.sp,
-                fontWeight = FontWeight.SemiBold,
-                color = Color(0xFF1F2937),
-            )
-
-            Text(
-                text = stringResource(R.string.kinh_shout_hint),
-                fontSize = 14.sp,
-                color = Color(0xFF6B7280),
-            )
-
-            Spacer(modifier = Modifier.height(8.dp))
-
-            // Primary dismiss button
-            Button(
-                onClick = onDismiss,
-                colors = ButtonDefaults.buttonColors(
-                    containerColor = BrandRose600,
-                ),
-                modifier = Modifier.fillMaxWidth(),
-            ) {
-                Text(
-                    text = stringResource(R.string.kinh_dismiss),
-                    fontWeight = FontWeight.Bold,
-                )
-            }
-
-            TextButton(onClick = onDismiss) {
-                Text(
-                    text = stringResource(R.string.kinh_close),
-                    color = Color(0xFF9CA3AF),
-                )
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/PlayerBoardGrid.kt b/app/src/main/java/com/miti99/loto/ui/board/PlayerBoardGrid.kt
deleted file mode 100644
index 1b1b445..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/PlayerBoardGrid.kt
+++ /dev/null
@@ -1,138 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.animation.core.LinearEasing
-import androidx.compose.animation.core.RepeatMode
-import androidx.compose.animation.core.animateFloat
-import androidx.compose.animation.core.infiniteRepeatable
-import androidx.compose.animation.core.rememberInfiniteTransition
-import androidx.compose.animation.core.tween
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-import com.miti99.loto.ui.theme.BrandAmberLight
-
-private val SECTION_STARTS = listOf(0, 3, 6)
-private val SECTION_LABEL_RES = listOf(
-    R.string.section_loto,
-    R.string.section_tn1_2014_2017,
-    R.string.section_doc_dinh_dien,
-)
-
-/**
- * 3 stacked mini-cards (rows 0-2, 3-5, 6-8) with section labels above each.
- *
- * @param grid       9×9 number grid (non-null — caller gates on null)
- * @param crossed    9×9 crossed state
- * @param rowComplete 9-element precomputed completeness
- * @param emptyCellColor passed through to [PlayerCell]
- * @param onCellClick (row, col) callback
- */
-@Composable
-fun PlayerBoardGrid(
-    grid: List<List<Int>>,
-    crossed: List<List<Boolean>>,
-    rowComplete: List<Boolean>,
-    sectionHasWaiting: List<Boolean>,
-    emptyCellColor: Color,
-    onCellClick: (row: Int, col: Int) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    // Single shared pulse drives every section's amber ring so they
-    // animate in lockstep instead of N independent timers.
-    val pulse = rememberInfiniteTransition(label = "cho-pulse")
-    val pulseAlpha by pulse.animateFloat(
-        initialValue = 0.55f,
-        targetValue = 1.0f,
-        animationSpec = infiniteRepeatable(
-            tween(durationMillis = 1500, easing = LinearEasing),
-            repeatMode = RepeatMode.Reverse,
-        ),
-        label = "cho-alpha",
-    )
-
-    Column(modifier = modifier.fillMaxWidth()) {
-        SECTION_STARTS.forEachIndexed { sectionIdx, startRow ->
-            val isWaiting = sectionHasWaiting.getOrNull(sectionIdx) ?: false
-            val labelColor =
-                if (isWaiting) BrandAmberLight
-                else MaterialTheme.colorScheme.onSurfaceVariant
-
-            // Section label — amber ring + pulse when any of its 3 rows
-            // is one cell from bingo.
-            Box(
-                modifier = Modifier
-                    .padding(
-                        start = 4.dp,
-                        top = if (sectionIdx > 0) 12.dp else 4.dp,
-                        bottom = 2.dp,
-                    )
-                    .then(
-                        if (isWaiting) Modifier
-                            .background(
-                                color = BrandAmberLight.copy(alpha = pulseAlpha * 0.18f),
-                                shape = RoundedCornerShape(8.dp),
-                            )
-                            .border(
-                                width = 1.dp,
-                                color = BrandAmberLight.copy(alpha = pulseAlpha),
-                                shape = RoundedCornerShape(8.dp),
-                            )
-                            .padding(horizontal = 8.dp, vertical = 2.dp)
-                        else Modifier
-                    ),
-            ) {
-                Text(
-                    text = stringResource(SECTION_LABEL_RES[sectionIdx]),
-                    fontSize = 11.sp,
-                    fontWeight = FontWeight.Bold,
-                    color = labelColor,
-                )
-            }
-
-            // 3-row sub-grid
-            Column {
-                for (rowOffset in 0..2) {
-                    val row = startRow + rowOffset
-                    if (row >= grid.size) break
-                    Row(modifier = Modifier.fillMaxWidth()) {
-                        for (col in 0..8) {
-                            val num = grid.getOrNull(row)?.getOrNull(col) ?: 0
-                            val isCrossed = crossed.getOrNull(row)?.getOrNull(col) ?: false
-                            val complete = rowComplete.getOrNull(row) ?: false
-                            PlayerCell(
-                                num = num,
-                                crossed = isCrossed,
-                                rowComplete = complete,
-                                emptyCellColor = emptyCellColor,
-                                onClick = if (num > 0) { { onCellClick(row, col) } } else null,
-                                modifier = Modifier.weight(1f),
-                            )
-                        }
-                    }
-                }
-            }
-
-            if (sectionIdx < SECTION_STARTS.lastIndex) {
-                Spacer(modifier = Modifier.height(2.dp))
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/PlayerBoardScreen.kt b/app/src/main/java/com/miti99/loto/ui/board/PlayerBoardScreen.kt
deleted file mode 100644
index 63d7a3f..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/PlayerBoardScreen.kt
+++ /dev/null
@@ -1,176 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
-import androidx.compose.material3.AlertDialog
-import androidx.compose.material3.Button
-import androidx.compose.material3.ButtonDefaults
-import androidx.compose.material3.OutlinedButton
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.semantics.contentDescription
-import androidx.compose.ui.semantics.semantics
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-import com.miti99.loto.state.PlayerBoardUiState
-import com.miti99.loto.ui.theme.BrandRose600
-
-/**
- * Top-level stateless PlayerBoard composable.
- *
- * Hosts the 3-section 9×9 grid, cold-start ghost preview, Chờ toast,
- * Kinh modal, confetti, and confirm dialogs for generate/clear.
- *
- * @param emptyCellColor passed from settings; wired in [LotoAppRoot] via
- *   [com.miti99.loto.ui.common.LocalEmptyCellColor].
- */
-@Composable
-fun PlayerBoardScreen(
-    state: PlayerBoardUiState,
-    emptyCellColor: Color,
-    onGenerate: () -> Unit,
-    onClear: () -> Unit,
-    onCellClick: (row: Int, col: Int) -> Unit,
-    onDismissBingo: () -> Unit,
-    onDismissToast: () -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    var showGenerateDialog by remember { mutableStateOf(false) }
-    var showClearDialog by remember { mutableStateOf(false) }
-
-    // Confirm dialogs
-    if (showGenerateDialog) {
-        AlertDialog(
-            onDismissRequest = { showGenerateDialog = false },
-            title = { Text(stringResource(R.string.prompt_create_new)) },
-            confirmButton = {
-                TextButton(onClick = {
-                    showGenerateDialog = false
-                    onGenerate()
-                }) { Text(stringResource(R.string.prompt_yes)) }
-            },
-            dismissButton = {
-                TextButton(onClick = { showGenerateDialog = false }) {
-                    Text(stringResource(R.string.prompt_no))
-                }
-            },
-        )
-    }
-
-    if (showClearDialog) {
-        AlertDialog(
-            onDismissRequest = { showClearDialog = false },
-            title = { Text(stringResource(R.string.prompt_clear_marks)) },
-            confirmButton = {
-                TextButton(onClick = {
-                    showClearDialog = false
-                    onClear()
-                }) { Text(stringResource(R.string.prompt_yes)) }
-            },
-            dismissButton = {
-                TextButton(onClick = { showClearDialog = false }) {
-                    Text(stringResource(R.string.prompt_no))
-                }
-            },
-        )
-    }
-
-    Box(
-        modifier = modifier
-            .fillMaxWidth()
-            .semantics { contentDescription = "Bảng lô tô" },
-    ) {
-        Column(modifier = Modifier.fillMaxWidth()) {
-            // Action buttons row
-            Row(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(horizontal = 8.dp, vertical = 8.dp),
-            ) {
-                // "Tạo bảng mới" — skip dialog if no grid yet
-                Button(
-                    onClick = {
-                        if (state.grid == null) onGenerate()
-                        else showGenerateDialog = true
-                    },
-                    colors = ButtonDefaults.buttonColors(containerColor = BrandRose600),
-                    modifier = Modifier.weight(1f),
-                ) {
-                    Text(stringResource(R.string.btn_generate_new))
-                }
-
-                // "Xoá đánh dấu" — only shown when a grid exists
-                if (state.grid != null) {
-                    Spacer(modifier = Modifier.width(8.dp))
-                    OutlinedButton(
-                        onClick = {
-                            val hasCrossed = state.crossed.any { row -> row.any { it } }
-                            if (hasCrossed) showClearDialog = true else onClear()
-                        },
-                        colors = ButtonDefaults.outlinedButtonColors(
-                            contentColor = BrandRose600,
-                        ),
-                        modifier = Modifier.weight(1f),
-                    ) {
-                        Text(stringResource(R.string.btn_clear_marks))
-                    }
-                }
-            }
-
-            // Board or ghost preview
-            if (state.grid == null) {
-                GhostPreview(modifier = Modifier.padding(top = 8.dp))
-            } else {
-                PlayerBoardGrid(
-                    grid = state.grid,
-                    crossed = state.crossed,
-                    rowComplete = state.rowComplete,
-                    sectionHasWaiting = state.sectionHasWaiting,
-                    emptyCellColor = emptyCellColor,
-                    onCellClick = onCellClick,
-                    modifier = Modifier.padding(horizontal = 4.dp),
-                )
-            }
-        }
-
-        // Toast overlay — centered over the board
-        ChoToast(
-            toast = state.waitingToast,
-            onDismiss = onDismissToast,
-            modifier = Modifier
-                .align(Alignment.Center)
-                .padding(top = 56.dp), // clear the button row
-        )
-
-        // Confetti for tier-2 bingo. Tier rule lives in PlayerBoardViewModel.
-        if (state.bingoEvent?.tier == 2) {
-            Confetti(
-                visible = true,
-                modifier = Modifier.fillMaxSize(),
-            )
-        }
-    }
-
-    // Kinh modal — rendered outside the Box so it is not clipped
-    if (state.bingoEvent != null) {
-        KinhModal(
-            bingoEvent = state.bingoEvent,
-            onDismiss = onDismissBingo,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/board/PlayerCell.kt b/app/src/main/java/com/miti99/loto/ui/board/PlayerCell.kt
deleted file mode 100644
index f490658..0000000
--- a/app/src/main/java/com/miti99/loto/ui/board/PlayerCell.kt
+++ /dev/null
@@ -1,109 +0,0 @@
-package com.miti99.loto.ui.board
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.aspectRatio
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.drawBehind
-import androidx.compose.ui.geometry.Offset
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.hapticfeedback.HapticFeedbackType
-import androidx.compose.ui.platform.LocalHapticFeedback
-import androidx.compose.ui.platform.testTag
-import androidx.compose.ui.semantics.Role
-import androidx.compose.ui.semantics.contentDescription
-import androidx.compose.ui.semantics.semantics
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.sp
-
-private val BgCrossedComplete = Color(0xFFD1FAE5)   // emerald-100
-private val BgCrossedIncomplete = Color(0xFFFEF2F2) // red-50
-private val BgDark = Color(0xFF1E293B)               // slate-800
-private val CrossLineColor = Color(0xFFF43F5E)       // rose-500
-
-/**
- * Single player-card cell.
- *
- * @param num       0 = empty slot (colored background, non-interactive)
- * @param crossed   whether this number has been marked
- * @param rowComplete  precomputed from VM; shifts crossed-cell bg to emerald
- * @param emptyCellColor background for num==0 cells (from settings)
- * @param onClick   null when num==0 (cell is non-interactive)
- */
-@Composable
-fun PlayerCell(
-    num: Int,
-    crossed: Boolean,
-    rowComplete: Boolean,
-    emptyCellColor: Color,
-    onClick: (() -> Unit)?,
-    modifier: Modifier = Modifier,
-) {
-    val haptic = LocalHapticFeedback.current
-    val dark = isSystemInDarkTheme()
-
-    if (num == 0) {
-        Box(
-            modifier = modifier
-                .aspectRatio(3f / 4f)
-                .background(emptyCellColor)
-                .testTag("empty_cell"),
-        ) {
-            if (dark) {
-                Box(
-                    Modifier
-                        .matchParentSize()
-                        .background(Color.Black.copy(alpha = 0.15f)),
-                )
-            }
-        }
-        return
-    }
-
-    val bg = when {
-        crossed && rowComplete -> BgCrossedComplete
-        crossed && !rowComplete -> BgCrossedIncomplete
-        dark -> BgDark
-        else -> Color.White
-    }
-    val desc = "Số $num${if (crossed) ", đã đánh dấu" else ""}"
-
-    Box(
-        contentAlignment = Alignment.Center,
-        modifier = modifier
-            .aspectRatio(3f / 4f)
-            .background(bg)
-            .then(
-                if (onClick != null) Modifier.clickable(role = Role.Button) {
-                    haptic.performHapticFeedback(HapticFeedbackType.LongPress)
-                    onClick()
-                } else Modifier,
-            )
-            .semantics { contentDescription = desc }
-            .testTag("player_cell")
-            .let { m ->
-                if (crossed) m.drawBehind {
-                    // Diagonal slash from top-start to bottom-end
-                    drawLine(
-                        color = CrossLineColor.copy(alpha = 0.6f),
-                        start = Offset(0f, 0f),
-                        end = Offset(size.width, size.height),
-                        strokeWidth = 2.5f,
-                    )
-                } else m
-            },
-    ) {
-        Text(
-            text = num.toString(),
-            fontWeight = FontWeight.SemiBold,
-            fontSize = 13.sp,
-            color = if (dark && !crossed) Color(0xFFE2E8F0) else Color.Unspecified,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/common/LocalEmptyCellColor.kt b/app/src/main/java/com/miti99/loto/ui/common/LocalEmptyCellColor.kt
deleted file mode 100644
index 06bce17..0000000
--- a/app/src/main/java/com/miti99/loto/ui/common/LocalEmptyCellColor.kt
+++ /dev/null
@@ -1,12 +0,0 @@
-package com.miti99.loto.ui.common
-
-import androidx.compose.runtime.compositionLocalOf
-import androidx.compose.ui.graphics.Color
-import com.miti99.loto.ui.theme.EmptyCellPurple
-
-/**
- * Composition local carrying the user-selected empty-cell background color.
- * Provided at root in [com.miti99.loto.ui.LotoAppRoot]; consumed by
- * [com.miti99.loto.ui.board.PlayerCell] and [com.miti99.loto.ui.master.MasterCell].
- */
-val LocalEmptyCellColor = compositionLocalOf<Color> { EmptyCellPurple }
diff --git a/app/src/main/java/com/miti99/loto/ui/master/CalledHistory.kt b/app/src/main/java/com/miti99/loto/ui/master/CalledHistory.kt
deleted file mode 100644
index a7da738..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/CalledHistory.kt
+++ /dev/null
@@ -1,93 +0,0 @@
-package com.miti99.loto.ui.master
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.lazy.LazyRow
-import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.lazy.rememberLazyListState
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-import com.miti99.loto.ui.theme.BrandEmeraldLight
-import com.miti99.loto.ui.theme.BrandSky400
-import com.miti99.loto.ui.theme.BrandSky600
-import com.miti99.loto.ui.theme.CalledCellCream
-
-/**
- * Horizontally scrollable chip row showing the full draw history in order.
- *
- * Auto-scrolls to the last chip whenever [called] changes.
- */
-@Composable
-fun CalledHistory(
-    called: List<Int>,
-    modifier: Modifier = Modifier,
-) {
-    val listState = rememberLazyListState()
-
-    // Scroll to the latest chip on every new draw
-    LaunchedEffect(called.size) {
-        if (called.isNotEmpty()) {
-            listState.animateScrollToItem(called.lastIndex)
-        }
-    }
-
-    Column(modifier = modifier) {
-        Text(
-            text = stringResource(R.string.master_called_history_label),
-            style = MaterialTheme.typography.labelSmall,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-            modifier = Modifier.padding(start = 4.dp, bottom = 4.dp),
-        )
-
-        LazyRow(
-            state = listState,
-            modifier = Modifier.padding(vertical = 4.dp),
-        ) {
-            items(called, key = { it }) { num ->
-                CalledChip(num = num)
-            }
-        }
-    }
-}
-
-@Composable
-private fun CalledChip(num: Int) {
-    val isLow = num <= 49
-    val skyAccent = if (isSystemInDarkTheme()) BrandSky400 else BrandSky600
-    val ring = if (isLow) skyAccent else BrandEmeraldLight
-
-    Box(
-        contentAlignment = Alignment.Center,
-        modifier = Modifier
-            .padding(horizontal = 3.dp)
-            .size(36.dp)
-            .clip(CircleShape)
-            .background(CalledCellCream)
-            .border(2.dp, ring, CircleShape),
-    ) {
-        Text(
-            text = num.toString(),
-            fontSize = 11.sp,
-            fontWeight = FontWeight.Bold,
-            color = ring,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/master/CurrentNumberHero.kt b/app/src/main/java/com/miti99/loto/ui/master/CurrentNumberHero.kt
deleted file mode 100644
index aac2e5f..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/CurrentNumberHero.kt
+++ /dev/null
@@ -1,88 +0,0 @@
-package com.miti99.loto.ui.master
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.semantics.LiveRegionMode
-import androidx.compose.ui.semantics.liveRegion
-import androidx.compose.ui.semantics.semantics
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-import com.miti99.loto.ui.theme.BrandEmeraldLight
-import com.miti99.loto.ui.theme.BrandSky400
-import com.miti99.loto.ui.theme.BrandSky600
-import com.miti99.loto.ui.theme.CalledCellCream
-
-/**
- * Large circle hero showing the most-recently drawn number.
- *
- * Sky ring for numbers ≤ 49; emerald ring for ≥ 50 (matches upstream
- * single-accent palette). TalkBack announces each new draw via
- * [LiveRegionMode.Assertive].
- */
-@Composable
-fun CurrentNumberHero(
-    last: Int,
-    calledCount: Int,
-    remainingCount: Int,
-    modifier: Modifier = Modifier,
-) {
-    val isLow = last <= 49
-    val skyAccent = if (isSystemInDarkTheme()) BrandSky400 else BrandSky600
-    val ring = if (isLow) skyAccent else BrandEmeraldLight
-
-    Column(
-        horizontalAlignment = Alignment.CenterHorizontally,
-        modifier = modifier,
-    ) {
-        Text(
-            text = stringResource(R.string.master_current_label),
-            style = MaterialTheme.typography.labelMedium,
-            letterSpacing = 4.sp,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-        )
-
-        Spacer(modifier = Modifier.height(8.dp))
-
-        Box(
-            contentAlignment = Alignment.Center,
-            modifier = Modifier
-                .size(160.dp)
-                .clip(CircleShape)
-                .background(CalledCellCream)
-                .border(8.dp, ring, CircleShape)
-                .semantics { liveRegion = LiveRegionMode.Assertive },
-        ) {
-            Text(
-                text = last.toString(),
-                fontSize = 72.sp,
-                fontWeight = FontWeight.Black,
-                color = ring,
-            )
-        }
-
-        Spacer(modifier = Modifier.height(8.dp))
-
-        Text(
-            text = "${stringResource(R.string.master_called_count_prefix)} $calledCount/90 · " +
-                "${stringResource(R.string.master_remaining_prefix)} $remainingCount",
-            style = MaterialTheme.typography.bodyMedium,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/master/MasterBoard.kt b/app/src/main/java/com/miti99/loto/ui/master/MasterBoard.kt
deleted file mode 100644
index 9c63447..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/MasterBoard.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.miti99.loto.ui.master
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.remember
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.semantics.contentDescription
-import androidx.compose.ui.semantics.semantics
-
-/**
- * 11×9 ones-digit-aligned master board.
- *
- * @param called     ordered list of called numbers (earliest first)
- * @param lastCalled the most-recently drawn number, for red-ring highlight
- */
-@Composable
-fun MasterBoard(
-    called: List<Int>,
-    lastCalled: Int?,
-    modifier: Modifier = Modifier,
-) {
-    // Map number → 1-based call order. Recomputed only when `called` changes.
-    val callOrderMap: Map<Int, Int> = remember(called) {
-        called.withIndex().associate { (i, n) -> n to (i + 1) }
-    }
-
-    Column(
-        modifier = modifier
-            .fillMaxWidth()
-            .semantics { contentDescription = "Bảng theo dõi số đã xổ" },
-    ) {
-        for (row in MASTER_BOARD) {
-            Row(modifier = Modifier.fillMaxWidth()) {
-                for (num in row) {
-                    MasterCell(
-                        num = num,
-                        callOrder = callOrderMap[num],
-                        isLast = num > 0 && num == lastCalled,
-                        modifier = Modifier.weight(1f),
-                    )
-                }
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/master/MasterBoardLayout.kt b/app/src/main/java/com/miti99/loto/ui/master/MasterBoardLayout.kt
deleted file mode 100644
index f5d1826..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/MasterBoardLayout.kt
+++ /dev/null
@@ -1,32 +0,0 @@
-package com.miti99.loto.ui.master
-
-/**
- * 11×9 master board layout.
- *
- * Row index = ones digit (0..10); column index = tens digit (0..8).
- *
- * Rules (port of MasterPanel.svelte:10-30):
- *   row=0, col=0        → 0  (empty corner)
- *   row=0, col=1..8     → col*10  (10, 20, …, 80)
- *   row=1..9, col=0     → row  (1..9)
- *   row=1..9, col=1..8  → col*10 + row
- *   row=10, col=8       → 90
- *   row=10, other cols  → 0  (empty)
- */
-internal val MASTER_BOARD: List<List<Int>> = buildList {
-    for (row in 0..10) {
-        add(buildList {
-            for (col in 0..8) {
-                val num = when {
-                    row == 10 && col == 8 -> 90
-                    row == 10            -> 0
-                    row == 0 && col > 0  -> col * 10
-                    row == 0             -> 0
-                    col == 0             -> row
-                    else                 -> col * 10 + row
-                }
-                add(num)
-            }
-        })
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/master/MasterCell.kt b/app/src/main/java/com/miti99/loto/ui/master/MasterCell.kt
deleted file mode 100644
index 694abac..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/MasterCell.kt
+++ /dev/null
@@ -1,110 +0,0 @@
-package com.miti99.loto.ui.master
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.aspectRatio
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.draw.scale
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.ui.common.LocalEmptyCellColor
-import com.miti99.loto.ui.theme.BrandEmeraldLight
-import com.miti99.loto.ui.theme.BrandRedLight
-import com.miti99.loto.ui.theme.BrandSky400
-import com.miti99.loto.ui.theme.BrandSky600
-import com.miti99.loto.ui.theme.CalledCellCream
-
-private val UncalledRing = Color(0xFFCBD5E1)    // slate-300
-private val UncalledBg   = Color(0xFFF8FAFC)    // slate-50
-private val UncalledText = Color(0xFF94A3B8)    // slate-400
-
-/**
- * Single token on the 11×9 master board.
- *
- * @param num       0 = empty slot; >0 = a lô tô number
- * @param callOrder 1-based draw order if this number has been called, else null
- * @param isLast    true for the most-recently drawn number (red ring + scale 1.10)
- */
-@Composable
-fun MasterCell(
-    num: Int,
-    callOrder: Int?,
-    isLast: Boolean,
-    modifier: Modifier = Modifier,
-) {
-    if (num == 0) {
-        Box(
-            modifier = modifier
-                .aspectRatio(1f)
-                .background(LocalEmptyCellColor.current),
-        )
-        return
-    }
-
-    val isLow    = num <= 49
-    val isCalled = callOrder != null
-    val skyAccent = if (isSystemInDarkTheme()) BrandSky400 else BrandSky600
-
-    val ringColor = when {
-        isLast   -> BrandRedLight
-        isCalled -> if (isLow) skyAccent else BrandEmeraldLight
-        else     -> UncalledRing
-    }
-    val bgColor   = if (isCalled) CalledCellCream else UncalledBg
-    val textColor = when {
-        isCalled -> if (isLow) skyAccent else BrandEmeraldLight
-        else     -> UncalledText
-    }
-
-    Box(
-        contentAlignment = Alignment.Center,
-        modifier = modifier
-            .aspectRatio(1f)
-            .padding(2.dp),
-    ) {
-        // Token circle — scale up + red border when latest
-        val tokenModifier = Modifier
-            .fillMaxSize(0.82f)
-            .let { if (isLast) it.scale(1.10f) else it }
-            .clip(CircleShape)
-            .background(bgColor)
-            .border(
-                width = if (isLast) 3.dp else 2.dp,
-                color = ringColor,
-                shape = CircleShape,
-            )
-
-        Box(tokenModifier, contentAlignment = Alignment.Center) {
-            Text(
-                text = num.toString(),
-                color = textColor,
-                fontWeight = FontWeight.Black,
-                fontSize = 11.sp,
-            )
-        }
-
-        // Draw-order superscript (top-end corner)
-        if (callOrder != null) {
-            Text(
-                text = callOrder.toString(),
-                modifier = Modifier
-                    .align(Alignment.TopEnd)
-                    .padding(1.dp),
-                fontSize = 8.sp,
-                fontWeight = FontWeight.Bold,
-                color = textColor,
-            )
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/master/MasterControls.kt b/app/src/main/java/com/miti99/loto/ui/master/MasterControls.kt
deleted file mode 100644
index a9ab98a..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/MasterControls.kt
+++ /dev/null
@@ -1,118 +0,0 @@
-package com.miti99.loto.ui.master
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.Button
-import androidx.compose.material3.ButtonDefaults
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-import com.miti99.loto.ui.theme.BrandAmber600
-import com.miti99.loto.ui.theme.BrandEmerald600
-import com.miti99.loto.ui.theme.BrandEmeraldLight
-import com.miti99.loto.ui.theme.BrandRose600
-
-/**
- * Button row for the master panel.
- *
- * Solid-color palette (no gradients):
- * - "Ván mới" (amber-600) — always visible.
- * - When [canDraw]:
- *   - [autoCallEnabled] true  → "Bắt đầu" (emerald-600) / "Dừng" (rose-600).
- *   - [autoCallEnabled] false → "Xổ số" (emerald-600).
- */
-@Composable
-fun MasterControls(
-    hasState: Boolean,
-    canDraw: Boolean,
-    autoCallEnabled: Boolean,
-    autoRunning: Boolean,
-    onNewGame: () -> Unit,
-    onDrawNext: () -> Unit,
-    onToggleAuto: () -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    Row(
-        modifier = modifier
-            .fillMaxWidth()
-            .padding(horizontal = 8.dp, vertical = 8.dp),
-        horizontalArrangement = Arrangement.spacedBy(8.dp),
-    ) {
-        // "Ván mới" — solid amber, no gradient.
-        Button(
-            onClick = onNewGame,
-            colors = ButtonDefaults.buttonColors(
-                containerColor = BrandAmber600,
-                contentColor = Color.White,
-            ),
-            modifier = Modifier.weight(1f),
-        ) {
-            Text(
-                text = stringResource(R.string.btn_new_game),
-                fontWeight = FontWeight.Bold,
-            )
-        }
-
-        // Draw / auto toggle — only when there are remaining numbers
-        if (canDraw) {
-            if (autoCallEnabled) {
-                val (label, color) = if (autoRunning)
-                    Pair(stringResource(R.string.btn_auto_stop), BrandRose600)
-                else
-                    Pair(stringResource(R.string.btn_auto_start), BrandEmerald600)
-
-                Button(
-                    onClick = onToggleAuto,
-                    colors = ButtonDefaults.buttonColors(containerColor = color),
-                    modifier = Modifier.weight(1f),
-                ) {
-                    Text(text = label, fontWeight = FontWeight.Bold)
-                }
-            } else {
-                Button(
-                    onClick = onDrawNext,
-                    colors = ButtonDefaults.buttonColors(containerColor = BrandEmerald600),
-                    modifier = Modifier.weight(1f),
-                ) {
-                    Text(
-                        text = stringResource(R.string.btn_draw_next),
-                        fontWeight = FontWeight.Bold,
-                    )
-                }
-            }
-        }
-    }
-}
-
-/** Small chip showing "Tự động: Ns/số" when auto-call is running. */
-@Composable
-fun AutoCallChip(
-    speedSeconds: Int,
-    modifier: Modifier = Modifier,
-) {
-    Box(
-        modifier = modifier
-            .padding(horizontal = 8.dp, vertical = 2.dp)
-            .background(
-                color = BrandEmeraldLight.copy(alpha = 0.15f),
-                shape = RoundedCornerShape(50),
-            )
-            .padding(horizontal = 12.dp, vertical = 4.dp),
-    ) {
-        Text(
-            text = stringResource(R.string.master_auto_label_format, speedSeconds),
-            color = BrandEmeraldLight,
-            fontWeight = FontWeight.SemiBold,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/master/MasterPanelScreen.kt b/app/src/main/java/com/miti99/loto/ui/master/MasterPanelScreen.kt
deleted file mode 100644
index 034bdd6..0000000
--- a/app/src/main/java/com/miti99/loto/ui/master/MasterPanelScreen.kt
+++ /dev/null
@@ -1,154 +0,0 @@
-package com.miti99.loto.ui.master
-
-import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.relocation.BringIntoViewRequester
-import androidx.compose.foundation.relocation.bringIntoViewRequester
-import androidx.compose.material3.AlertDialog
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-import com.miti99.loto.state.MasterPanelUiState
-
-/**
- * Stateless master-panel (quản trò) screen.
- *
- * Auto-scroll: hero scrolls into view on each new draw, gated by [hasInteracted]
- * so a cold-load with persisted state does NOT yank the screen.
- *
- * Port of MasterPanel.svelte:120-131.
- */
-@OptIn(ExperimentalFoundationApi::class)
-@Composable
-fun MasterPanelScreen(
-    state: MasterPanelUiState,
-    autoCallEnabled: Boolean,
-    autoCallSpeed: Int,
-    onNewGame: () -> Unit,
-    onDrawNext: () -> Unit,
-    onToggleAuto: () -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    var showNewGameDialog by remember { mutableStateOf(false) }
-    // Only auto-scroll after first explicit user action in this session
-    var hasInteracted by rememberSaveable { mutableStateOf(false) }
-    val heroRequester = remember { BringIntoViewRequester() }
-
-    LaunchedEffect(state.lastCalled) {
-        if (state.lastCalled != null && hasInteracted) {
-            heroRequester.bringIntoView()
-        }
-    }
-
-    // New-game confirmation dialog
-    if (showNewGameDialog) {
-        AlertDialog(
-            onDismissRequest = { showNewGameDialog = false },
-            title = { Text(stringResource(R.string.prompt_new_game)) },
-            confirmButton = {
-                TextButton(onClick = {
-                    showNewGameDialog = false
-                    hasInteracted = true
-                    onNewGame()
-                }) { Text(stringResource(R.string.prompt_yes)) }
-            },
-            dismissButton = {
-                TextButton(onClick = { showNewGameDialog = false }) {
-                    Text(stringResource(R.string.prompt_no))
-                }
-            },
-        )
-    }
-
-    Column(modifier = modifier.fillMaxWidth()) {
-        MasterControls(
-            hasState = state.deck != null,
-            canDraw = state.deck?.remaining?.isNotEmpty() ?: false,
-            autoCallEnabled = autoCallEnabled,
-            autoRunning = state.autoRunning,
-            onNewGame = {
-                if (state.deck != null) showNewGameDialog = true
-                else { hasInteracted = true; onNewGame() }
-            },
-            onDrawNext = { hasInteracted = true; onDrawNext() },
-            onToggleAuto = { hasInteracted = true; onToggleAuto() },
-        )
-
-        // Auto-call speed chip
-        if (autoCallEnabled && state.deck?.remaining?.isNotEmpty() == true) {
-            AutoCallChip(
-                speedSeconds = autoCallSpeed,
-                modifier = Modifier.padding(start = 8.dp, bottom = 4.dp),
-            )
-        }
-
-        if (state.deck != null) {
-            // Hero number
-            if (state.lastCalled != null) {
-                Spacer(modifier = Modifier.height(8.dp))
-                CurrentNumberHero(
-                    last = state.lastCalled,
-                    calledCount = state.deck.called.size,
-                    remainingCount = state.deck.remaining.size,
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .bringIntoViewRequester(heroRequester),
-                )
-            } else {
-                // Pre-game hint after new game started but nothing drawn yet
-                Text(
-                    text = stringResource(R.string.master_empty_hint),
-                    style = MaterialTheme.typography.bodyMedium,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant,
-                    modifier = Modifier
-                        .align(Alignment.CenterHorizontally)
-                        .padding(vertical = 24.dp),
-                )
-            }
-
-            // Called history chip row
-            if (state.deck.called.isNotEmpty()) {
-                Spacer(modifier = Modifier.height(8.dp))
-                CalledHistory(
-                    called = state.deck.called,
-                    modifier = Modifier.padding(horizontal = 8.dp),
-                )
-            }
-
-            Spacer(modifier = Modifier.height(8.dp))
-
-            // 11×9 master board
-            MasterBoard(
-                called = state.deck.called,
-                lastCalled = state.lastCalled,
-                modifier = Modifier.padding(horizontal = 4.dp),
-            )
-        } else {
-            // No game started yet
-            Text(
-                text = stringResource(R.string.master_empty_hint),
-                style = MaterialTheme.typography.bodyMedium,
-                color = MaterialTheme.colorScheme.onSurfaceVariant,
-                modifier = Modifier
-                    .align(Alignment.CenterHorizontally)
-                    .padding(vertical = 32.dp),
-            )
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/AutoCallControls.kt b/app/src/main/java/com/miti99/loto/ui/settings/AutoCallControls.kt
deleted file mode 100644
index 19af0f0..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/AutoCallControls.kt
+++ /dev/null
@@ -1,69 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Slider
-import androidx.compose.material3.Switch
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-
-/**
- * Auto-call section: a switch to enable/disable, and a speed slider (1–10 s)
- * that only appears when the switch is on.
- *
- * Slider uses `steps = 8` because Material 3 counts intermediate stops
- * between the two endpoints — 8 steps gives 10 discrete values (1..10).
- */
-@Composable
-internal fun AutoCallControls(
-    enabled: Boolean,
-    speedSeconds: Int,
-    onSetEnabled: (Boolean) -> Unit,
-    onSetSpeed: (Int) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    Column(modifier = modifier) {
-        Row(
-            verticalAlignment = Alignment.CenterVertically,
-            modifier = Modifier.fillMaxWidth(),
-        ) {
-            Text(
-                text = stringResource(R.string.auto_call_enable),
-                style = MaterialTheme.typography.bodyMedium,
-                modifier = Modifier.weight(1f),
-            )
-            Switch(
-                checked = enabled,
-                onCheckedChange = onSetEnabled,
-            )
-        }
-
-        AnimatedVisibility(visible = enabled) {
-            Column {
-                Spacer(modifier = Modifier.height(8.dp))
-                Text(
-                    text = stringResource(R.string.auto_call_speed_format, speedSeconds),
-                    style = MaterialTheme.typography.labelMedium,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant,
-                )
-                Slider(
-                    value = speedSeconds.toFloat(),
-                    onValueChange = { onSetSpeed(it.toInt()) },
-                    valueRange = 1f..10f,
-                    steps = 8,  // 8 intermediate stops → 10 discrete positions
-                    modifier = Modifier.fillMaxWidth(),
-                )
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/ColorSwatchTile.kt b/app/src/main/java/com/miti99/loto/ui/settings/ColorSwatchTile.kt
deleted file mode 100644
index 774a5e1..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/ColorSwatchTile.kt
+++ /dev/null
@@ -1,65 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.border
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.semantics.Role
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.ui.theme.BrandEmeraldLight
-
-/**
- * 40 dp filled circle swatch. Shows a double-ring (white inner + emerald outer)
- * when [selected].
- */
-@Composable
-internal fun ColorSwatchTile(
-    hex: String,
-    selected: Boolean,
-    onClick: () -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    val fillColor = parseHex(hex)
-
-    Box(
-        modifier = modifier
-            .size(40.dp)
-            .clip(CircleShape)
-            .background(fillColor)
-            .then(
-                if (selected) Modifier
-                    .border(2.dp, Color.White, CircleShape)
-                    .border(4.dp, BrandEmeraldLight, CircleShape)
-                else Modifier.border(1.dp, Color.White.copy(alpha = 0.4f), CircleShape)
-            )
-            .clickable(role = Role.RadioButton, onClick = onClick),
-    )
-}
-
-/** "Tùy chỉnh" tile — shown as a gradient or checkerboard placeholder. */
-@Composable
-internal fun CustomTile(
-    active: Boolean,
-    onClick: () -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    // Use a simple dark-bordered circle as the custom trigger tile
-    Box(
-        modifier = modifier
-            .size(40.dp)
-            .clip(CircleShape)
-            .background(if (active) BrandEmeraldLight.copy(alpha = 0.2f) else Color(0xFFF1F5F9))
-            .border(
-                width = if (active) 2.dp else 1.dp,
-                color = if (active) BrandEmeraldLight else Color(0xFFCBD5E1),
-                shape = CircleShape,
-            )
-            .clickable(role = Role.Button, onClick = onClick),
-    )
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/EmptyCellColorPicker.kt b/app/src/main/java/com/miti99/loto/ui/settings/EmptyCellColorPicker.kt
deleted file mode 100644
index 1a90219..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/EmptyCellColorPicker.kt
+++ /dev/null
@@ -1,97 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
-import androidx.compose.foundation.layout.FlowRow
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-
-/**
- * Empty-cell color picker with 10 Excel-preset swatches + custom RGB sliders.
- *
- * Live preview bar reflects [currentHex] immediately. The custom tile expands
- * [RgbSliderRow] inline; selecting a swatch collapses it.
- */
-@OptIn(ExperimentalLayoutApi::class)
-@Composable
-internal fun EmptyCellColorPicker(
-    currentHex: String,
-    onSelect: (String) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    var customExpanded by remember { mutableStateOf(false) }
-
-    Column(modifier = modifier) {
-        // Live preview bar
-        Box(
-            modifier = Modifier
-                .fillMaxWidth()
-                .height(40.dp)
-                .clip(RoundedCornerShape(8.dp))
-                .background(parseHex(currentHex)),
-        )
-
-        Spacer(modifier = Modifier.height(8.dp))
-
-        // 5-per-row swatch grid + custom tile
-        FlowRow(
-            maxItemsInEachRow = 5,
-            horizontalArrangement = Arrangement.spacedBy(8.dp),
-            verticalArrangement = Arrangement.spacedBy(8.dp),
-        ) {
-            EXCEL_PRESETS.forEach { hex ->
-                ColorSwatchTile(
-                    hex = hex,
-                    selected = currentHex.equals(hex, ignoreCase = true),
-                    onClick = {
-                        customExpanded = false
-                        onSelect(hex)
-                    },
-                )
-            }
-            CustomTile(
-                active = customExpanded,
-                onClick = { customExpanded = !customExpanded },
-            )
-        }
-
-        // Inline "Tùy chỉnh" label
-        if (customExpanded) {
-            Spacer(modifier = Modifier.height(4.dp))
-            Text(
-                text = stringResource(R.string.empty_cell_custom),
-                style = MaterialTheme.typography.labelSmall,
-                color = MaterialTheme.colorScheme.onSurfaceVariant,
-                modifier = Modifier.padding(start = 2.dp),
-            )
-        }
-
-        // RGB slider panel
-        AnimatedVisibility(visible = customExpanded) {
-            RgbSliderRow(
-                currentHex = currentHex,
-                onSelect = onSelect,
-                modifier = Modifier.padding(top = 8.dp),
-            )
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/ExcelPresets.kt b/app/src/main/java/com/miti99/loto/ui/settings/ExcelPresets.kt
deleted file mode 100644
index 2e4a8c7..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/ExcelPresets.kt
+++ /dev/null
@@ -1,48 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.ui.graphics.Color
-
-/**
- * Excel "Standard Colors" palette — 10 swatches matching the web app's preset list
- * from SettingsButton.svelte. Default empty-cell color is the last entry (purple).
- */
-internal val EXCEL_PRESETS = listOf(
-    "#C00000", // dark red
-    "#FF0000", // red
-    "#FFC000", // orange
-    "#FFFF00", // yellow
-    "#92D050", // light green
-    "#00B050", // green
-    "#00B0F0", // light blue
-    "#0070C0", // blue
-    "#002060", // dark blue
-    "#7030A0", // purple (default)
-)
-
-/**
- * Parse a "#RRGGBB" hex string to a Compose [Color].
- * The `#` prefix is optional. Returns [Color.Gray] as a safe fallback on parse error.
- */
-internal fun parseHex(hex: String): Color {
-    return try {
-        val clean = hex.trimStart('#')
-        require(clean.length == 6)
-        val r = clean.substring(0, 2).toInt(16)
-        val g = clean.substring(2, 4).toInt(16)
-        val b = clean.substring(4, 6).toInt(16)
-        Color(r, g, b)
-    } catch (_: Exception) {
-        Color.Gray
-    }
-}
-
-/**
- * Convert a Compose [Color] to a "#RRGGBB" hex string.
- * Ignores the alpha channel.
- */
-internal fun colorToHex(color: Color): String {
-    val r = (color.red * 255).toInt().coerceIn(0, 255)
-    val g = (color.green * 255).toInt().coerceIn(0, 255)
-    val b = (color.blue * 255).toInt().coerceIn(0, 255)
-    return "#%02X%02X%02X".format(r, g, b)
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/RgbSliderRow.kt b/app/src/main/java/com/miti99/loto/ui/settings/RgbSliderRow.kt
deleted file mode 100644
index aa35fd6..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/RgbSliderRow.kt
+++ /dev/null
@@ -1,103 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.width
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Slider
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableFloatStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.miti99.loto.R
-import kotlinx.coroutines.delay
-
-/**
- * Three R/G/B sliders (0-255 each) for custom empty-cell color selection.
- *
- * Writes are debounced 150 ms to avoid flooding the DataStore with every
- * frame while the user drags (per phase-09 risk register).
- *
- * @param currentHex  hex string representing the current color (e.g. "#7030A0")
- * @param onSelect    called with new "#RRGGBB" string after debounce
- */
-@Composable
-internal fun RgbSliderRow(
-    currentHex: String,
-    onSelect: (String) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    val parsed = remember(currentHex) { parseHex(currentHex) }
-
-    var r by remember(currentHex) { mutableFloatStateOf((parsed.red * 255f)) }
-    var g by remember(currentHex) { mutableFloatStateOf((parsed.green * 255f)) }
-    var b by remember(currentHex) { mutableFloatStateOf((parsed.blue * 255f)) }
-
-    // Debounce: only call onSelect after user stops dragging for 150 ms
-    val liveHex = "#%02X%02X%02X".format(r.toInt(), g.toInt(), b.toInt())
-    LaunchedEffect(liveHex) {
-        delay(150)
-        if (!liveHex.equals(currentHex, ignoreCase = true)) {
-            onSelect(liveHex)
-        }
-    }
-
-    Column(modifier = modifier.fillMaxWidth()) {
-        SliderRow(
-            label = stringResource(R.string.empty_cell_r),
-            value = r,
-            onValueChange = { r = it },
-        )
-        SliderRow(
-            label = stringResource(R.string.empty_cell_g),
-            value = g,
-            onValueChange = { g = it },
-        )
-        SliderRow(
-            label = stringResource(R.string.empty_cell_b),
-            value = b,
-            onValueChange = { b = it },
-        )
-    }
-}
-
-@Composable
-private fun SliderRow(
-    label: String,
-    value: Float,
-    onValueChange: (Float) -> Unit,
-) {
-    Row(
-        verticalAlignment = Alignment.CenterVertically,
-        modifier = Modifier.fillMaxWidth(),
-    ) {
-        Text(
-            text = label,
-            style = MaterialTheme.typography.labelMedium,
-            modifier = Modifier.width(16.dp),
-        )
-        Spacer(Modifier.width(8.dp))
-        Slider(
-            value = value,
-            onValueChange = onValueChange,
-            valueRange = 0f..255f,
-            modifier = Modifier.weight(1f),
-        )
-        Spacer(Modifier.width(8.dp))
-        Text(
-            text = value.toInt().toString(),
-            fontSize = 12.sp,
-            modifier = Modifier.width(28.dp),
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/SettingsSheet.kt b/app/src/main/java/com/miti99/loto/ui/settings/SettingsSheet.kt
deleted file mode 100644
index e242f15..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/SettingsSheet.kt
+++ /dev/null
@@ -1,154 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.HorizontalDivider
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.ModalBottomSheet
-import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-import com.miti99.loto.audio.VoiceEntry
-import com.miti99.loto.settings.SettingsState
-
-/**
- * Full-app settings exposed as a [ModalBottomSheet].
- *
- * All state is read from [state]; every change fires the corresponding setter.
- * Opened/dismissed via [onDismiss] — caller owns the visibility flag.
- */
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun SettingsSheet(
-    state: SettingsState,
-    voices: List<VoiceEntry>,
-    onSetTheme: (SettingsState.Theme) -> Unit,
-    onSetMode: (SettingsState.Mode) -> Unit,
-    onSetAutoCallEnabled: (Boolean) -> Unit,
-    onSetAutoCallSpeed: (Int) -> Unit,
-    onSetVoiceEnabledMaster: (Boolean) -> Unit,
-    onSetVoiceEnabledPlayer: (Boolean) -> Unit,
-    onSetVoiceWaitingNumber: (Boolean) -> Unit,
-    onSetVoice: (String) -> Unit,
-    onSetEmptyCellColor: (String) -> Unit,
-    onReset: () -> Unit,
-    onDismiss: () -> Unit,
-) {
-    ModalBottomSheet(onDismissRequest = onDismiss) {
-        Column(
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp)
-                .verticalScroll(rememberScrollState()),
-        ) {
-            Text(
-                text = stringResource(R.string.settings_title),
-                style = MaterialTheme.typography.titleLarge,
-                fontWeight = FontWeight.Bold,
-            )
-
-            Spacer(Modifier.height(16.dp))
-
-            // 1. Theme picker
-            SettingsSection(title = stringResource(R.string.settings_theme)) {
-                ThemePicker(
-                    current = state.theme,
-                    onChange = onSetTheme,
-                    modifier = Modifier.fillMaxWidth(),
-                )
-            }
-
-            SectionDivider()
-
-            // 2. Mode picker
-            SettingsSection(title = stringResource(R.string.settings_mode)) {
-                ModePicker(
-                    current = state.mode,
-                    onChange = onSetMode,
-                    modifier = Modifier.fillMaxWidth(),
-                )
-            }
-
-            // 3. Auto-call (only relevant when mode != PLAYER)
-            if (state.mode != SettingsState.Mode.PLAYER) {
-                SectionDivider()
-                SettingsSection(title = stringResource(R.string.settings_auto_call)) {
-                    AutoCallControls(
-                        enabled = state.autoCallEnabled,
-                        speedSeconds = state.autoCallSpeed,
-                        onSetEnabled = onSetAutoCallEnabled,
-                        onSetSpeed = onSetAutoCallSpeed,
-                    )
-                }
-            }
-
-            SectionDivider()
-
-            // 4. Voice toggles + picker
-            SettingsSection(title = stringResource(R.string.settings_voice)) {
-                VoiceToggles(
-                    state = state,
-                    onSetVoiceEnabledMaster = onSetVoiceEnabledMaster,
-                    onSetVoiceEnabledPlayer = onSetVoiceEnabledPlayer,
-                    onSetVoiceWaitingNumber = onSetVoiceWaitingNumber,
-                )
-                Spacer(Modifier.height(8.dp))
-                VoicePicker(
-                    voices = voices,
-                    currentVoiceId = state.voice,
-                    onSelect = onSetVoice,
-                )
-            }
-
-            SectionDivider()
-
-            // 5. Empty-cell color
-            SettingsSection(title = stringResource(R.string.settings_empty_cell_color)) {
-                EmptyCellColorPicker(
-                    currentHex = state.emptyCellColor,
-                    onSelect = onSetEmptyCellColor,
-                )
-            }
-
-            Spacer(Modifier.height(24.dp))
-
-            // Reset + done buttons
-            TextButton(onClick = onReset) {
-                Text(stringResource(R.string.settings_reset))
-            }
-
-            Spacer(Modifier.height(16.dp))
-        }
-    }
-}
-
-@Composable
-private fun SettingsSection(
-    title: String,
-    content: @Composable () -> Unit,
-) {
-    Text(
-        text = title,
-        style = MaterialTheme.typography.titleSmall,
-        color = MaterialTheme.colorScheme.primary,
-        modifier = Modifier.padding(bottom = 8.dp),
-    )
-    content()
-    Spacer(Modifier.height(8.dp))
-}
-
-@Composable
-private fun SectionDivider() {
-    HorizontalDivider(modifier = Modifier.padding(vertical = 8.dp))
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/ThemeModePickers.kt b/app/src/main/java/com/miti99/loto/ui/settings/ThemeModePickers.kt
deleted file mode 100644
index 9637902..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/ThemeModePickers.kt
+++ /dev/null
@@ -1,72 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.SegmentedButton
-import androidx.compose.material3.SegmentedButtonDefaults
-import androidx.compose.material3.SingleChoiceSegmentedButtonRow
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import com.miti99.loto.R
-import com.miti99.loto.settings.SettingsState
-
-private fun themeLabel(theme: SettingsState.Theme): Int = when (theme) {
-    SettingsState.Theme.AUTO  -> R.string.theme_auto
-    SettingsState.Theme.LIGHT -> R.string.theme_light
-    SettingsState.Theme.DARK  -> R.string.theme_dark
-}
-
-private fun modeLabel(mode: SettingsState.Mode): Int = when (mode) {
-    SettingsState.Mode.PLAYER -> R.string.mode_player
-    SettingsState.Mode.MASTER -> R.string.mode_master
-    SettingsState.Mode.BOTH   -> R.string.mode_both
-}
-
-/**
- * 3-segment row for theme selection (Auto / Sáng / Tối).
- */
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-internal fun ThemePicker(
-    current: SettingsState.Theme,
-    onChange: (SettingsState.Theme) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    val themes = SettingsState.Theme.values()
-    SingleChoiceSegmentedButtonRow(modifier = modifier) {
-        themes.forEachIndexed { i, theme ->
-            SegmentedButton(
-                selected = current == theme,
-                onClick = { onChange(theme) },
-                shape = SegmentedButtonDefaults.itemShape(i, themes.size),
-            ) {
-                Text(stringResource(themeLabel(theme)))
-            }
-        }
-    }
-}
-
-/**
- * 3-segment row for mode selection (Người chơi / Quản trò / Cả hai).
- */
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-internal fun ModePicker(
-    current: SettingsState.Mode,
-    onChange: (SettingsState.Mode) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    val modes = SettingsState.Mode.values()
-    SingleChoiceSegmentedButtonRow(modifier = modifier) {
-        modes.forEachIndexed { i, mode ->
-            SegmentedButton(
-                selected = current == mode,
-                onClick = { onChange(mode) },
-                shape = SegmentedButtonDefaults.itemShape(i, modes.size),
-            ) {
-                Text(stringResource(modeLabel(mode)))
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/VoicePicker.kt b/app/src/main/java/com/miti99/loto/ui/settings/VoicePicker.kt
deleted file mode 100644
index 6b12958..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/VoicePicker.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.RadioButton
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-import com.miti99.loto.audio.VoiceEntry
-
-/**
- * Radio-button list of available voices loaded from the asset manifest.
- * Hidden if [voices] is empty (manifest failed to load).
- */
-@Composable
-internal fun VoicePicker(
-    voices: List<VoiceEntry>,
-    currentVoiceId: String,
-    onSelect: (String) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    if (voices.isEmpty()) return
-
-    Column(modifier = modifier) {
-        Text(
-            text = stringResource(R.string.voice_picker_label),
-            style = MaterialTheme.typography.labelMedium,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-            modifier = Modifier.padding(bottom = 4.dp),
-        )
-        voices.forEach { voice ->
-            Row(
-                verticalAlignment = Alignment.CenterVertically,
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .clickable { onSelect(voice.id) }
-                    .padding(vertical = 4.dp),
-            ) {
-                RadioButton(
-                    selected = currentVoiceId == voice.id,
-                    onClick = { onSelect(voice.id) },
-                )
-                Text(
-                    text = voice.label,
-                    style = MaterialTheme.typography.bodyMedium,
-                    modifier = Modifier.padding(start = 8.dp),
-                )
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/settings/VoiceToggles.kt b/app/src/main/java/com/miti99/loto/ui/settings/VoiceToggles.kt
deleted file mode 100644
index 28af097..0000000
--- a/app/src/main/java/com/miti99/loto/ui/settings/VoiceToggles.kt
+++ /dev/null
@@ -1,90 +0,0 @@
-package com.miti99.loto.ui.settings
-
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Switch
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import com.miti99.loto.R
-import com.miti99.loto.settings.SettingsState
-
-/**
- * Voice-announcement toggle rows. Mirrors `SettingsButton.svelte` gating:
- *
- * - Master row visible when mode != PLAYER. Hint copy varies by mode
- *   (BOTH includes "+ báo Chờ/Kinh", MASTER-only just "Đọc số đã xổ.").
- * - Player + waiting-number rows visible when mode != MASTER.
- */
-@Composable
-internal fun VoiceToggles(
-    state: SettingsState,
-    onSetVoiceEnabledMaster: (Boolean) -> Unit,
-    onSetVoiceEnabledPlayer: (Boolean) -> Unit,
-    onSetVoiceWaitingNumber: (Boolean) -> Unit,
-    modifier: Modifier = Modifier,
-) {
-    Column(modifier = modifier) {
-        if (state.mode != SettingsState.Mode.PLAYER) {
-            SwitchRow(
-                label = stringResource(R.string.voice_enabled_master),
-                checked = state.voiceEnabledMaster,
-                onCheckedChange = onSetVoiceEnabledMaster,
-            )
-            val hintRes = if (state.mode == SettingsState.Mode.BOTH)
-                R.string.voice_master_hint_both
-            else
-                R.string.voice_master_hint_master_only
-            Text(
-                text = stringResource(hintRes),
-                style = MaterialTheme.typography.bodySmall,
-                color = MaterialTheme.colorScheme.onSurfaceVariant,
-                modifier = Modifier.padding(start = 4.dp, top = 2.dp, bottom = 8.dp),
-            )
-        }
-
-        if (state.mode != SettingsState.Mode.MASTER) {
-            SwitchRow(
-                label = stringResource(R.string.voice_enabled_player),
-                checked = state.voiceEnabledPlayer,
-                onCheckedChange = onSetVoiceEnabledPlayer,
-            )
-            AnimatedVisibility(visible = state.voiceEnabledPlayer) {
-                SwitchRow(
-                    label = stringResource(R.string.voice_waiting_number),
-                    checked = state.voiceWaitingNumber,
-                    onCheckedChange = onSetVoiceWaitingNumber,
-                )
-            }
-        }
-    }
-}
-
-@Composable
-private fun SwitchRow(
-    label: String,
-    checked: Boolean,
-    onCheckedChange: (Boolean) -> Unit,
-) {
-    Row(
-        verticalAlignment = Alignment.CenterVertically,
-        modifier = Modifier.fillMaxWidth(),
-    ) {
-        Text(
-            text = label,
-            style = MaterialTheme.typography.bodyMedium,
-            modifier = Modifier.weight(1f),
-        )
-        Switch(
-            checked = checked,
-            onCheckedChange = onCheckedChange,
-        )
-    }
-}
diff --git a/app/src/main/java/com/miti99/loto/ui/theme/Color.kt b/app/src/main/java/com/miti99/loto/ui/theme/Color.kt
deleted file mode 100644
index 73cd3f7..0000000
--- a/app/src/main/java/com/miti99/loto/ui/theme/Color.kt
+++ /dev/null
@@ -1,54 +0,0 @@
-package com.miti99.loto.ui.theme
-
-import androidx.compose.ui.graphics.Color
-
-// Brand palette — sourced from the SvelteKit app's Tailwind tokens.
-// Light/Dark variants are the same family one shade apart so the wordmark
-// gradient and game tokens read consistently in either mode.
-
-// Rose — wordmark start, generate button, accent action.
-val BrandRoseLight = Color(0xFFF43F5E)   // rose-500
-val BrandRoseDark = Color(0xFFFB7185)    // rose-400
-
-// Amber — wordmark end, called-cell cream fill.
-val BrandAmberLight = Color(0xFFF59E0B)  // amber-500
-val BrandAmberDark = Color(0xFFFBBF24)   // amber-400
-
-// Emerald — called numbers ≥ 50, draw button, completed-row cells.
-val BrandEmeraldLight = Color(0xFF10B981)  // emerald-500
-val BrandEmeraldDark = Color(0xFF34D399)   // emerald-400
-
-// Sky — called numbers ≤ 49 (single-accent palette, replaces former pink).
-val BrandSky600 = Color(0xFF0284C7)      // sky-600 (light theme)
-val BrandSky400 = Color(0xFF38BDF8)      // sky-400 (dark theme)
-
-// Purple — secondary brand (legacy Excel purple — also default empty cell).
-val BrandPurpleLight = Color(0xFF8B5CF6) // violet-500
-val BrandPurpleDark = Color(0xFFA78BFA)  // violet-400
-
-// Red — last-draw ring, marked-but-incomplete cell text.
-val BrandRedLight = Color(0xFFEF4444)    // red-500
-val BrandRedDark = Color(0xFFF87171)     // red-400
-
-// Deeper -600 shades for the solid-color (no-gradient) palette.
-val BrandRose600 = Color(0xFFE11D48)     // rose-600
-val BrandAmber600 = Color(0xFFD97706)    // amber-600
-val BrandEmerald600 = Color(0xFF059669)  // emerald-600
-
-// Warm cream light background, replacing pure white. Matches upstream
-// `--background: #fffbeb` so the page feels festive without a radial glow.
-val BackgroundCream = Color(0xFFFFFBEB)
-
-// Empty cell legacy default (Excel "Standard Color: Purple"). User-overridable
-// via settings; mirrors web app's `--empty-cell-bg` CSS variable.
-val EmptyCellPurple = Color(0xFF7030A0)
-
-// Surfaces
-val SurfaceLight = Color(0xFFFAFAFA)
-val SurfaceDark = Color(0xFF1E293B)      // slate-800
-val BackgroundLight = Color(0xFFFFFFFF)
-val BackgroundDark = Color(0xFF0F172A)   // slate-900
-
-// Cell tokens
-val CalledCellCream = Color(0xFFFFFBEB)  // amber-50 — fill for called number tokens
-val CalledCellCreamDark = Color(0xFFFEF3C7)  // amber-100 — slightly warmer in dark
diff --git a/app/src/main/java/com/miti99/loto/ui/theme/Theme.kt b/app/src/main/java/com/miti99/loto/ui/theme/Theme.kt
deleted file mode 100644
index a64339e..0000000
--- a/app/src/main/java/com/miti99/loto/ui/theme/Theme.kt
+++ /dev/null
@@ -1,62 +0,0 @@
-package com.miti99.loto.ui.theme
-
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.darkColorScheme
-import androidx.compose.material3.lightColorScheme
-import androidx.compose.runtime.Composable
-
-private val LotoLightColorScheme = lightColorScheme(
-    primary = BrandRoseLight,
-    onPrimary = BackgroundLight,
-    secondary = BrandAmberLight,
-    onSecondary = BackgroundLight,
-    tertiary = BrandEmeraldLight,
-    onTertiary = BackgroundLight,
-    background = BackgroundCream,
-    onBackground = Color0F172A,
-    surface = SurfaceLight,
-    onSurface = Color0F172A,
-    error = BrandRedLight,
-)
-
-private val LotoDarkColorScheme = darkColorScheme(
-    primary = BrandRoseDark,
-    onPrimary = BackgroundDark,
-    secondary = BrandAmberDark,
-    onSecondary = BackgroundDark,
-    tertiary = BrandEmeraldDark,
-    onTertiary = BackgroundDark,
-    background = BackgroundDark,
-    onBackground = ColorE2E8F0,
-    surface = SurfaceDark,
-    onSurface = ColorE2E8F0,
-    error = BrandRedDark,
-)
-
-/**
- * Theme entry point.
- *
- * @param forcedDark when non-null overrides the system dark-mode preference.
- *   The Settings layer (phase 09) feeds the user's `auto|light|dark` choice
- *   into this — `null` means follow the system.
- */
-@Composable
-fun LotoTheme(
-    forcedDark: Boolean? = null,
-    content: @Composable () -> Unit,
-) {
-    val darkTheme = forcedDark ?: isSystemInDarkTheme()
-    val colorScheme = if (darkTheme) LotoDarkColorScheme else LotoLightColorScheme
-
-    MaterialTheme(
-        colorScheme = colorScheme,
-        typography = LotoTypography,
-        content = content,
-    )
-}
-
-// Local color tokens used only inside the theme file — kept private so they
-// don't pollute the brand palette namespace exported from Color.kt.
-private val Color0F172A = androidx.compose.ui.graphics.Color(0xFF0F172A)
-private val ColorE2E8F0 = androidx.compose.ui.graphics.Color(0xFFE2E8F0)
diff --git a/app/src/main/java/com/miti99/loto/ui/theme/Type.kt b/app/src/main/java/com/miti99/loto/ui/theme/Type.kt
deleted file mode 100644
index 0c84608..0000000
--- a/app/src/main/java/com/miti99/loto/ui/theme/Type.kt
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.miti99.loto.ui.theme
-
-import androidx.compose.material3.Typography
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.FontFamily
-import androidx.compose.ui.text.font.FontStyle
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.sp
-
-/**
- * Typography. Material 3 defaults with `displayLarge` overridden to italic
- * black weight — used for the "Lô tô" wordmark gradient.
- */
-val LotoTypography = Typography(
-    displayLarge = TextStyle(
-        fontFamily = FontFamily.SansSerif,
-        fontWeight = FontWeight.Black,
-        fontStyle = FontStyle.Italic,
-        fontSize = 56.sp,
-        lineHeight = 64.sp,
-        letterSpacing = (-1).sp,
-    ),
-    displayMedium = TextStyle(
-        fontFamily = FontFamily.SansSerif,
-        fontWeight = FontWeight.Black,
-        fontSize = 44.sp,
-        lineHeight = 52.sp,
-    ),
-    titleLarge = TextStyle(
-        fontFamily = FontFamily.SansSerif,
-        fontWeight = FontWeight.Bold,
-        fontSize = 22.sp,
-        lineHeight = 28.sp,
-    ),
-    bodyLarge = TextStyle(
-        fontFamily = FontFamily.SansSerif,
-        fontWeight = FontWeight.Normal,
-        fontSize = 16.sp,
-        lineHeight = 24.sp,
-    ),
-)
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
deleted file mode 100644
index a4086fc..0000000
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#F43F5E" />
-</shape>
diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
deleted file mode 100644
index 2ec6c61..0000000
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <!-- Stylized "L" wordmark on safe-zone center. Placeholder until
-         the design pass in phase 10. -->
-    <path
-        android:pathData="M40,30 L40,78 L72,78"
-        android:strokeColor="#F59E0B"
-        android:strokeWidth="10"
-        android:strokeLineCap="round"
-        android:strokeLineJoin="round" />
-</vector>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
deleted file mode 100644
index 6b78462..0000000
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
deleted file mode 100644
index c96ca28..0000000
--- a/app/src/main/res/values/strings.xml
+++ /dev/null
@@ -1,77 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="app_name">Lô tô</string>
-
-    <!-- Phase 07: PlayerBoard sections -->
-    <string name="section_loto">Lô tô</string>
-    <string name="section_tn1_2014_2017">TN1 (2014-2017)</string>
-    <string name="section_doc_dinh_dien">Độc-Đỉnh-Điên</string>
-
-    <!-- Phase 07: PlayerBoard buttons + prompts -->
-    <string name="btn_generate_new">Tạo bảng mới</string>
-    <string name="btn_clear_marks">Xoá đánh dấu</string>
-    <string name="prompt_create_new">Bạn có muốn tạo lại bảng không?</string>
-    <string name="prompt_clear_marks">Bạn có muốn xoá tất cả đánh dấu không?</string>
-    <string name="prompt_yes">Có</string>
-    <string name="prompt_no">Không</string>
-
-    <!-- Phase 07: Ghost preview -->
-    <string name="ghost_press_to_start_prefix">Nhấn</string>
-    <string name="ghost_press_to_start_suffix">để bắt đầu chơi</string>
-    <string name="ghost_quote_word">"Tạo bảng mới"</string>
-    <string name="ghost_have_fun">🎫 Chúc cả nhà một ván vui vẻ</string>
-
-    <!-- Phase 07: Toasts + modals -->
-    <string name="toast_close">Đóng thông báo</string>
-    <string name="kinh_title">Kinh!</string>
-    <string name="kinh_row_done_prefix">Hàng</string>
-    <string name="kinh_row_done_suffix">đã đầy đủ!</string>
-    <string name="kinh_shout_hint">Hãy hô to \"Kinh!\" 🎶</string>
-    <string name="kinh_dismiss">Tuyệt vời! 🥳</string>
-    <string name="kinh_close">Đóng</string>
-    <string name="content_desc_lo_to_board">Bảng lô tô</string>
-
-    <!-- Phase 08: MasterPanel -->
-    <string name="btn_new_game">Ván mới</string>
-    <string name="btn_draw_next">Xổ số</string>
-    <string name="btn_auto_start">Bắt đầu</string>
-    <string name="btn_auto_stop">Dừng</string>
-    <string name="prompt_new_game">Bạn có muốn tạo ván mới không?</string>
-    <string name="master_empty_hint">Nhấn "Ván mới" để bắt đầu</string>
-    <string name="master_current_label">Số vừa xổ</string>
-    <string name="master_called_count_prefix">Đã xổ:</string>
-    <string name="master_remaining_prefix">Còn lại:</string>
-    <string name="master_called_history_label">Thứ tự đã xổ:</string>
-    <string name="master_auto_label_format">Tự động: %1$ds/số</string>
-    <string name="content_desc_master_board">Bảng theo dõi số đã xổ</string>
-
-    <!-- Phase 09: Settings -->
-    <string name="settings_title">Cài đặt</string>
-    <string name="settings_theme">Giao diện</string>
-    <string name="theme_auto">Tự động</string>
-    <string name="theme_light">Sáng</string>
-    <string name="theme_dark">Tối</string>
-    <string name="settings_mode">Chế độ</string>
-    <string name="mode_player">Người chơi</string>
-    <string name="mode_master">Quản trò</string>
-    <string name="mode_both">Cả hai</string>
-    <string name="settings_auto_call">Tự động xổ số</string>
-    <string name="auto_call_enable">Bật tự động</string>
-    <string name="auto_call_speed_format">Tốc độ: %1$d giây</string>
-    <string name="settings_voice">Giọng đọc</string>
-    <string name="voice_enabled_master">Quản trò: đọc số</string>
-    <string name="voice_enabled_player">Người chơi: đọc Chờ / Kinh</string>
-    <string name="voice_waiting_number">Đọc số khi Chờ</string>
-    <string name="voice_master_hint_both">Đọc số đã xổ + báo Chờ/Kinh.</string>
-    <string name="voice_master_hint_master_only">Đọc số đã xổ.</string>
-    <string name="voice_picker_label">Chọn giọng</string>
-    <string name="settings_empty_cell_color">Màu ô trống</string>
-    <string name="empty_cell_custom">Tùy chỉnh</string>
-    <string name="empty_cell_r">R</string>
-    <string name="empty_cell_g">G</string>
-    <string name="empty_cell_b">B</string>
-    <string name="settings_reset">Khôi phục mặc định</string>
-
-    <!-- Phase 10: App shell -->
-    <string name="wordmark_subtitle">Hội chợ TN1</string>
-</resources>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
deleted file mode 100644
index 09929ac..0000000
--- a/app/src/main/res/values/themes.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <!-- Splash + pre-Compose theme. Compose owns visual rendering once
-         setContent runs; this just seeds the window background and
-         status-bar tinting before that. -->
-    <style name="Theme.Loto" parent="android:Theme.Material.Light.NoActionBar">
-        <item name="android:windowBackground">@android:color/white</item>
-        <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
deleted file mode 100644
index 3fa7b0e..0000000
--- a/app/src/main/res/xml/backup_rules.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<data-extraction-rules>
-    <cloud-backup>
-        <exclude domain="root" />
-        <exclude domain="file" />
-        <exclude domain="database" />
-        <exclude domain="sharedpref" />
-    </cloud-backup>
-    <device-transfer>
-        <exclude domain="root" />
-        <exclude domain="file" />
-        <exclude domain="database" />
-        <exclude domain="sharedpref" />
-    </device-transfer>
-</data-extraction-rules>
diff --git a/app/src/test/java/com/miti99/loto/game/GameLogicTest.kt b/app/src/test/java/com/miti99/loto/game/GameLogicTest.kt
deleted file mode 100644
index d398fb5..0000000
--- a/app/src/test/java/com/miti99/loto/game/GameLogicTest.kt
+++ /dev/null
@@ -1,166 +0,0 @@
-package com.miti99.loto.game
-
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Assertions.assertFalse
-import org.junit.jupiter.api.Assertions.assertNull
-import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.jupiter.api.RepeatedTest
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.assertAll
-import com.miti99.loto.game.GameLogic.NUM_COLS
-import com.miti99.loto.game.GameLogic.NUM_PER_ROW
-import com.miti99.loto.game.GameLogic.NUM_ROWS
-import com.miti99.loto.game.GameLogic.generateGrid
-import com.miti99.loto.game.GameLogic.getWaitingNumber
-import com.miti99.loto.game.GameLogic.isRowComplete
-
-/**
- * Port of `tiennm99/loto/src/lib/game-logic.test.js`. Persistence tests
- * (saveGrid/loadGrid) intentionally NOT ported — that role moved to
- * DataStore in phase 05.
- */
-class GameLogicTest {
-
-    private val COL_RANGES = listOf(
-        1..9, 10..19, 20..29, 30..39, 40..49,
-        50..59, 60..69, 70..79, 80..90,
-    )
-
-    private fun rowCounts(grid: Array<IntArray>): IntArray =
-        IntArray(NUM_ROWS) { r -> grid[r].count { it > 0 } }
-
-    private fun colCounts(grid: Array<IntArray>): IntArray =
-        IntArray(NUM_COLS) { c -> (0 until NUM_ROWS).count { r -> grid[r][c] > 0 } }
-
-    @Test
-    fun `returns a 9x9 matrix`() {
-        val g = generateGrid()
-        assertEquals(NUM_ROWS, g.size)
-        for (row in g) assertEquals(NUM_COLS, row.size)
-    }
-
-    @RepeatedTest(200)
-    fun `every row has exactly 5 non-zero numbers`() {
-        val counts = rowCounts(generateGrid())
-        assertTrue(counts.all { it == NUM_PER_ROW }) { counts.joinToString() }
-    }
-
-    @RepeatedTest(200)
-    fun `every column has exactly 5 non-zero numbers`() {
-        val counts = colCounts(generateGrid())
-        assertTrue(counts.all { it == NUM_PER_ROW }) { counts.joinToString() }
-    }
-
-    @RepeatedTest(50)
-    fun `never produces duplicates in a single card`() {
-        val flat = generateGrid().flatMap { it.toList() }.filter { it > 0 }
-        assertEquals(flat.size, flat.toSet().size)
-    }
-
-    @RepeatedTest(50)
-    fun `each non-zero cell sits in its column's tens range`() {
-        val g = generateGrid()
-        for (r in 0 until NUM_ROWS) for (c in 0 until NUM_COLS) {
-            val n = g[r][c]
-            if (n == 0) continue
-            assertTrue(n in COL_RANGES[c]) { "row=$r col=$c num=$n" }
-        }
-    }
-
-    @RepeatedTest(50)
-    fun `numbers within each column are sorted ascending top-to-bottom`() {
-        val g = generateGrid()
-        for (c in 0 until NUM_COLS) {
-            val colNums = (0 until NUM_ROWS).map { g[it][c] }.filter { it > 0 }
-            assertEquals(colNums.sorted(), colNums)
-        }
-    }
-
-    @RepeatedTest(300)
-    fun `no row has 3 consecutive filled columns (soft constraint)`() {
-        val g = generateGrid()
-        for (r in 0 until NUM_ROWS) {
-            for (c in 0..NUM_COLS - 3) {
-                assertFalse(g[r][c] > 0 && g[r][c + 1] > 0 && g[r][c + 2] > 0) {
-                    "row=$r cols=$c,${c + 1},${c + 2}"
-                }
-            }
-        }
-    }
-
-    @Test
-    fun `col 0 only holds numbers from 1 to 9 (5 per card)`() {
-        val g = generateGrid()
-        val col0 = (0 until NUM_ROWS).map { g[it][0] }.filter { it > 0 }
-        assertEquals(NUM_PER_ROW, col0.size)
-        assertAll(col0.map { n -> Runnable { assertTrue(n in 1..9) } })
-    }
-
-    @Test
-    fun `col 8 only holds numbers from 80 to 90 (5 per card)`() {
-        val g = generateGrid()
-        val col8 = (0 until NUM_ROWS).map { g[it][8] }.filter { it > 0 }
-        assertEquals(NUM_PER_ROW, col8.size)
-        assertAll(col8.map { n -> Runnable { assertTrue(n in 80..90) } })
-    }
-
-    // ----- isRowComplete -----
-
-    @Test
-    fun `isRowComplete true when every number in row is crossed`() {
-        val grid = arrayOf(intArrayOf(0, 1, 0, 2, 0, 3, 0, 4, 5))
-        val crossed = arrayOf(booleanArrayOf(false, true, false, true, false, true, false, true, true))
-        assertTrue(isRowComplete(grid, crossed, 0))
-    }
-
-    @Test
-    fun `isRowComplete false when at least one number uncrossed`() {
-        val grid = arrayOf(intArrayOf(0, 1, 0, 2, 0, 3, 0, 4, 5))
-        val crossed = arrayOf(booleanArrayOf(false, true, false, false, false, true, false, true, true))
-        assertFalse(isRowComplete(grid, crossed, 0))
-    }
-
-    @Test
-    fun `isRowComplete false for all-zero row (no numbers, not a win)`() {
-        val grid = arrayOf(IntArray(9))
-        val crossed = arrayOf(BooleanArray(9))
-        assertFalse(isRowComplete(grid, crossed, 0))
-    }
-
-    @Test
-    fun `isRowComplete ignores zero cells when checking crossed state`() {
-        val grid = arrayOf(intArrayOf(0, 7, 0, 0, 0, 0, 0, 0, 0))
-        val crossed = arrayOf(booleanArrayOf(false, true, false, false, false, false, false, false, false))
-        assertTrue(isRowComplete(grid, crossed, 0))
-    }
-
-    // ----- getWaitingNumber -----
-
-    @Test
-    fun `getWaitingNumber returns single uncrossed number when exactly one remains`() {
-        val grid = arrayOf(intArrayOf(0, 1, 0, 2, 0, 3, 0, 4, 5))
-        val crossed = arrayOf(booleanArrayOf(false, true, false, false, false, true, false, true, true))
-        assertEquals(2, getWaitingNumber(grid, crossed, 0))
-    }
-
-    @Test
-    fun `getWaitingNumber null when more than one number remains`() {
-        val grid = arrayOf(intArrayOf(0, 1, 0, 2, 0, 3, 0, 4, 5))
-        val crossed = arrayOf(booleanArrayOf(false, true, false, false, false, false, false, true, true))
-        assertNull(getWaitingNumber(grid, crossed, 0))
-    }
-
-    @Test
-    fun `getWaitingNumber null when zero numbers remain (row complete)`() {
-        val grid = arrayOf(intArrayOf(0, 1, 0, 2, 0, 3, 0, 4, 5))
-        val crossed = arrayOf(booleanArrayOf(false, true, false, true, false, true, false, true, true))
-        assertNull(getWaitingNumber(grid, crossed, 0))
-    }
-
-    @Test
-    fun `getWaitingNumber null for empty row`() {
-        val grid = arrayOf(IntArray(9))
-        val crossed = arrayOf(BooleanArray(9))
-        assertNull(getWaitingNumber(grid, crossed, 0))
-    }
-}
diff --git a/app/src/test/java/com/miti99/loto/game/VietnameseNumberTest.kt b/app/src/test/java/com/miti99/loto/game/VietnameseNumberTest.kt
deleted file mode 100644
index 889af14..0000000
--- a/app/src/test/java/com/miti99/loto/game/VietnameseNumberTest.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.miti99.loto.game
-
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.params.ParameterizedTest
-import org.junit.jupiter.params.provider.CsvSource
-
-/**
- * Port of `tiennm99/loto/src/lib/vietnamese-number.test.js`. Out-of-range
- * fallback to `n.toString()` matches the JS source.
- */
-class VietnameseNumberTest {
-
-    @ParameterizedTest(name = "{0} → {1}")
-    @CsvSource(
-        // units 0..9
-        "0,'không'", "1,'một'", "2,'hai'", "3,'ba'", "4,'bốn'",
-        "5,'năm'", "6,'sáu'", "7,'bảy'", "8,'tám'", "9,'chín'",
-        // teens 10..19 with mười lăm exception
-        "10,'mười'", "11,'mười một'", "12,'mười hai'", "13,'mười ba'", "14,'mười bốn'",
-        "15,'mười lăm'", "16,'mười sáu'", "17,'mười bảy'", "18,'mười tám'", "19,'mười chín'",
-        // 20..90 with mốt and lăm exceptions
-        "20,'hai mươi'", "21,'hai mươi mốt'", "22,'hai mươi hai'",
-        "25,'hai mươi lăm'", "29,'hai mươi chín'",
-        "30,'ba mươi'", "31,'ba mươi mốt'",
-        "40,'bốn mươi'", "45,'bốn mươi lăm'",
-        "55,'năm mươi lăm'", "61,'sáu mươi mốt'",
-        "70,'bảy mươi'", "81,'tám mươi mốt'", "85,'tám mươi lăm'", "90,'chín mươi'",
-        // out-of-range fallback
-        "-1,'-1'", "91,'91'", "100,'100'",
-    )
-    fun `numberToVietnamese matches table`(n: Int, expected: String) {
-        assertEquals(expected, VietnameseNumber.numberToVietnamese(n))
-    }
-}
diff --git a/app/src/test/java/com/miti99/loto/settings/SettingsRepositoryTest.kt b/app/src/test/java/com/miti99/loto/settings/SettingsRepositoryTest.kt
deleted file mode 100644
index 3109932..0000000
--- a/app/src/test/java/com/miti99/loto/settings/SettingsRepositoryTest.kt
+++ /dev/null
@@ -1,133 +0,0 @@
-package com.miti99.loto.settings
-
-import androidx.datastore.core.DataStore
-import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.core.PreferenceDataStoreFactory
-import androidx.datastore.preferences.core.edit
-import androidx.datastore.preferences.core.emptyPreferences
-import app.cash.turbine.test
-import com.miti99.loto.settings.SettingsKeys as K
-import kotlin.io.path.Path
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.SupervisorJob
-import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.test.StandardTestDispatcher
-import kotlinx.coroutines.test.TestScope
-import kotlinx.coroutines.test.runTest
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.BeforeEach
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.io.TempDir
-import java.io.File
-
-/**
- * Port of `tiennm99/loto/src/lib/settings-store.test.js`.
- * Uses real DataStore on a temp file; faster than Robolectric.
- */
-class SettingsRepositoryTest {
-
-    @TempDir lateinit var tempDir: File
-    private lateinit var dataStore: DataStore<Preferences>
-    private lateinit var scope: TestScope
-    private lateinit var repo: SettingsRepository
-
-    @BeforeEach
-    fun setUp() {
-        val testScope = TestScope(StandardTestDispatcher())
-        scope = testScope
-        dataStore = PreferenceDataStoreFactory.create(
-            scope = CoroutineScope(SupervisorJob()),
-            produceFile = { File(tempDir, "settings.preferences_pb") },
-            migrations = listOf(SettingsRepository.legacyMasterModeMigration),
-        )
-        repo = SettingsRepository(dataStore, appScope = testScope)
-    }
-
-    @Test
-    fun `loads defaults when empty`() = runTest {
-        assertEquals(SettingsState.DEFAULT, repo.flow.first())
-    }
-
-    @Test
-    fun `roundtrips each field`() = runTest {
-        repo.setEmptyCellColor("#abcdef")
-        repo.setTheme(SettingsState.Theme.DARK)
-        repo.setMode(SettingsState.Mode.MASTER)
-        repo.setAutoCallEnabled(true)
-        repo.setAutoCallSpeed(8)
-        repo.setVoiceEnabledMaster(false)
-        repo.setVoiceEnabledPlayer(true)
-        repo.setVoiceWaitingNumber(true)
-        repo.setVoice("nam-minh")
-
-        val state = repo.flow.first()
-        assertEquals("#abcdef", state.emptyCellColor)
-        assertEquals(SettingsState.Theme.DARK, state.theme)
-        assertEquals(SettingsState.Mode.MASTER, state.mode)
-        assertEquals(true, state.autoCallEnabled)
-        assertEquals(8, state.autoCallSpeed)
-        assertEquals(false, state.voiceEnabledMaster)
-        assertEquals(true, state.voiceEnabledPlayer)
-        assertEquals(true, state.voiceWaitingNumber)
-        assertEquals("nam-minh", state.voice)
-    }
-
-    @Test
-    fun `rejects invalid color falls back to default on read`() = runTest {
-        dataStore.edit { it[K.EMPTY_CELL_COLOR] = "#zzzzzz" }
-        assertEquals(SettingsState.DEFAULT.emptyCellColor, repo.flow.first().emptyCellColor)
-    }
-
-    @Test
-    fun `clamps out-of-range speed when set`() = runTest {
-        repo.setAutoCallSpeed(15)
-        assertEquals(10, repo.flow.first().autoCallSpeed)
-        repo.setAutoCallSpeed(-3)
-        assertEquals(1, repo.flow.first().autoCallSpeed)
-    }
-
-    @Test
-    fun `out-of-range stored speed falls back to default`() = runTest {
-        dataStore.edit { it[K.AUTO_CALL_SPEED] = 99 }
-        assertEquals(SettingsState.DEFAULT.autoCallSpeed, repo.flow.first().autoCallSpeed)
-    }
-
-    @Test
-    fun `rejects unknown theme on read`() = runTest {
-        dataStore.edit { it[K.THEME] = "neon" }
-        assertEquals(SettingsState.Theme.AUTO, repo.flow.first().theme)
-    }
-
-    @Test
-    fun `rejects unknown voice on write`() = runTest {
-        repo.setVoice("ghost-voice")
-        assertEquals(SettingsState.DEFAULT.voice, repo.flow.first().voice)
-    }
-
-    @Test
-    fun `rejects unknown voice on read`() = runTest {
-        dataStore.edit { it[K.VOICE] = "ghost-voice" }
-        assertEquals(SettingsState.DEFAULT.voice, repo.flow.first().voice)
-    }
-
-    @Test
-    fun `migrates legacy masterMode true to mode both`() = runTest {
-        dataStore.edit { it[K.LEGACY_MASTER_MODE] = true }
-        // Trigger migration by reading
-        assertEquals(SettingsState.Mode.BOTH, repo.flow.first().mode)
-    }
-
-    @Test
-    fun `legacy masterMode false uses default mode player`() = runTest {
-        dataStore.edit { it[K.LEGACY_MASTER_MODE] = false }
-        assertEquals(SettingsState.Mode.PLAYER, repo.flow.first().mode)
-    }
-
-    @Test
-    fun `reset restores all defaults`() = runTest {
-        repo.setTheme(SettingsState.Theme.DARK)
-        repo.setVoice("nam-minh")
-        repo.reset()
-        assertEquals(SettingsState.DEFAULT, repo.flow.first())
-    }
-}
diff --git a/build.gradle.kts b/build.gradle.kts
deleted file mode 100644
index 80e45e8..0000000
--- a/build.gradle.kts
+++ /dev/null
@@ -1,7 +0,0 @@
-// Top-level build file. Plugins applied per-module.
-plugins {
-    alias(libs.plugins.android.application) apply false
-    alias(libs.plugins.kotlin.android) apply false
-    alias(libs.plugins.kotlin.compose) apply false
-    alias(libs.plugins.kotlin.serialization) apply false
-}
diff --git a/capacitor.config.json b/capacitor.config.json
new file mode 100644
index 0000000..b21b26a
--- /dev/null
+++ b/capacitor.config.json
@@ -0,0 +1,11 @@
+{
+  "appId": "com.miti99.loto",
+  "appName": "Lo To",
+  "webDir": "loto/build",
+  "server": {
+    "androidScheme": "https"
+  },
+  "android": {
+    "webContentsDebuggingEnabled": false
+  }
+}
diff --git a/gradle.properties b/gradle.properties
deleted file mode 100644
index 49d40dc..0000000
--- a/gradle.properties
+++ /dev/null
@@ -1,9 +0,0 @@
-org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
-org.gradle.parallel=true
-org.gradle.caching=true
-org.gradle.configuration-cache=true
-
-kotlin.code.style=official
-
-android.useAndroidX=true
-android.nonTransitiveRClass=true
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
deleted file mode 100644
index 2894f88..0000000
--- a/gradle/libs.versions.toml
+++ /dev/null
@@ -1,75 +0,0 @@
-[versions]
-agp = "8.7.3"
-kotlin = "2.1.0"
-compose-bom = "2025.01.00"
-activity-compose = "1.10.0"
-lifecycle = "2.8.7"
-media3 = "1.5.1"
-datastore = "1.1.1"
-serialization = "1.7.3"
-coroutines = "1.9.0"
-desugar-jdk-libs = "2.1.4"
-junit-jupiter = "5.11.4"
-turbine = "1.2.0"
-robolectric = "4.14.1"
-androidx-test-ext = "1.2.1"
-androidx-test-runner = "1.6.2"
-android-junit5 = "1.11.2.0"
-
-[libraries]
-# Compose BOM and bundled deps
-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "compose-bom" }
-compose-ui = { group = "androidx.compose.ui", name = "ui" }
-compose-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
-compose-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
-compose-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
-compose-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
-compose-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
-compose-material3 = { group = "androidx.compose.material3", name = "material3" }
-compose-material-icons-extended = { group = "androidx.compose.material", name = "material-icons-extended" }
-
-# Activity + Lifecycle
-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activity-compose" }
-lifecycle-runtime-compose = { group = "androidx.lifecycle", name = "lifecycle-runtime-compose", version.ref = "lifecycle" }
-lifecycle-viewmodel-compose = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-compose", version.ref = "lifecycle" }
-
-# Audio (Media3 ExoPlayer)
-media3-exoplayer = { group = "androidx.media3", name = "media3-exoplayer", version.ref = "media3" }
-media3-common = { group = "androidx.media3", name = "media3-common", version.ref = "media3" }
-
-# Persistence
-datastore-preferences = { group = "androidx.datastore", name = "datastore-preferences", version.ref = "datastore" }
-
-# Serialization + Coroutines
-kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "serialization" }
-kotlinx-coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "coroutines" }
-kotlinx-coroutines-test = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-test", version.ref = "coroutines" }
-
-# Java 17 desugaring (java.time on minSdk 24)
-desugar-jdk-libs = { group = "com.android.tools", name = "desugar_jdk_libs", version.ref = "desugar-jdk-libs" }
-
-# Tests
-junit-jupiter = { group = "org.junit.jupiter", name = "junit-jupiter", version.ref = "junit-jupiter" }
-junit-jupiter-params = { group = "org.junit.jupiter", name = "junit-jupiter-params", version.ref = "junit-jupiter" }
-turbine = { group = "app.cash.turbine", name = "turbine", version.ref = "turbine" }
-robolectric = { group = "org.robolectric", name = "robolectric", version.ref = "robolectric" }
-androidx-test-ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "androidx-test-ext" }
-androidx-test-runner = { group = "androidx.test", name = "runner", version.ref = "androidx-test-runner" }
-
-[bundles]
-compose-ui = [
-    "compose-ui",
-    "compose-ui-graphics",
-    "compose-ui-tooling-preview",
-    "compose-material3",
-    "activity-compose",
-    "lifecycle-runtime-compose",
-    "lifecycle-viewmodel-compose",
-]
-
-[plugins]
-android-application = { id = "com.android.application", version.ref = "agp" }
-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
-kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
-kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
-android-junit5 = { id = "de.mannodermaus.android-junit5", version.ref = "android-junit5" }
diff --git a/loto b/loto
new file mode 160000
index 0000000..dfb1c1e
--- /dev/null
+++ b/loto
@@ -0,0 +1 @@
+Subproject commit dfb1c1e31e6651f8300e31ccff98ba460e6bc107
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..c53cff4
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1165 @@
+{
+  "name": "loto-android",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "loto-android",
+      "version": "0.1.0",
+      "dependencies": {
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+        "@capacitor/core": "^8.3.3"
+      },
+      "devDependencies": {
+        "@capacitor/cli": "^8.3.3"
+      }
+    },
+    "node_modules/@capacitor/android": {
+      "version": "8.3.3",
+      "resolved": "https://registry.npmjs.org/@capacitor/android/-/android-8.3.3.tgz",
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+      "license": "MIT",
+      "peerDependencies": {
+        "@capacitor/core": "^8.3.0"
+      }
+    },
+    "node_modules/@capacitor/cli": {
+      "version": "8.3.3",
+      "resolved": "https://registry.npmjs.org/@capacitor/cli/-/cli-8.3.3.tgz",
+      "integrity": "sha512-FHebL02KEyU5vs+Os5s1yZuE8QT3FzxoO4nZLywGk7Ny957E6gOujKouGKsnKYq01eAWWJGGV/Fv04rY27tSsw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@ionic/cli-framework-output": "^2.2.8",
+        "@ionic/utils-subprocess": "^3.0.1",
+        "@ionic/utils-terminal": "^2.3.5",
+        "commander": "^12.1.0",
+        "debug": "^4.4.0",
+        "env-paths": "^2.2.0",
+        "fs-extra": "^11.2.0",
+        "kleur": "^4.1.5",
+        "native-run": "^2.0.3",
+        "open": "^8.4.0",
+        "plist": "^3.1.0",
+        "prompts": "^2.4.2",
+        "rimraf": "^6.0.1",
+        "semver": "^7.6.3",
+        "tar": "^7.5.3",
+        "tslib": "^2.8.1",
+        "xml2js": "^0.6.2"
+      },
+      "bin": {
+        "cap": "bin/capacitor",
+        "capacitor": "bin/capacitor"
+      },
+      "engines": {
+        "node": ">=22.0.0"
+      }
+    },
+    "node_modules/@capacitor/core": {
+      "version": "8.3.3",
+      "resolved": "https://registry.npmjs.org/@capacitor/core/-/core-8.3.3.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.1.0"
+      }
+    },
+    "node_modules/@ionic/cli-framework-output": {
+      "version": "2.2.8",
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+      "license": "MIT",
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+        "debug": "^4.0.0",
+        "tslib": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
+    "node_modules/@ionic/utils-array": {
+      "version": "2.1.6",
+      "resolved": "https://registry.npmjs.org/@ionic/utils-array/-/utils-array-2.1.6.tgz",
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+      "license": "MIT",
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+        "fs-extra": "^9.0.0",
+        "tslib": "^2.0.1"
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+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-9.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "at-least-node": "^1.0.0",
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
+      },
+      "engines": {
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+      }
+    },
+    "node_modules/@ionic/utils-object": {
+      "version": "2.1.6",
+      "resolved": "https://registry.npmjs.org/@ionic/utils-object/-/utils-object-2.1.6.tgz",
+      "integrity": "sha512-vCl7sl6JjBHFw99CuAqHljYJpcE88YaH2ZW4ELiC/Zwxl5tiwn4kbdP/gxi2OT3MQb1vOtgAmSNRtusvgxI8ww==",
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+      "license": "MIT",
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+      "license": "MIT",
+      "dependencies": {
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+        "@ionic/utils-terminal": "2.3.5",
+        "debug": "^4.0.0",
+        "signal-exit": "^3.0.3",
+        "tree-kill": "^1.2.2",
+        "tslib": "^2.0.1"
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+      "engines": {
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+      }
+    },
+    "node_modules/@ionic/utils-stream": {
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+    },
+    "node_modules/@ionic/utils-subprocess": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@ionic/utils-subprocess/-/utils-subprocess-3.0.1.tgz",
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+        "@ionic/utils-stream": "3.1.7",
+        "@ionic/utils-terminal": "2.3.5",
+        "cross-spawn": "^7.0.3",
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+      "engines": {
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+      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.9.10.tgz",
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+      "license": "MIT",
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+      "license": "MIT",
+      "engines": {
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+    "node_modules/ansi-styles": {
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+      "license": "ISC",
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+      "license": "MIT",
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diff --git a/package.json b/package.json
new file mode 100644
index 0000000..42aeec4
--- /dev/null
+++ b/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "loto-android",
+  "version": "0.1.0",
+  "private": true,
+  "description": "Capacitor wrapper that bundles tiennm99/loto into a fully-offline Android APK.",
+  "scripts": {
+    "build:loto": "npm --prefix loto ci && npm --prefix loto run build",
+    "sync": "cap sync android",
+    "build": "npm run build:loto && npm run sync",
+    "open": "cap open android",
+    "assemble:debug": "cd android && ./gradlew :app:assembleDebug",
+    "assemble:release": "cd android && ./gradlew :app:bundleRelease :app:assembleRelease"
+  },
+  "devDependencies": {
+    "@capacitor/cli": "^8.3.3"
+  },
+  "dependencies": {
+    "@capacitor/android": "^8.3.3",
+    "@capacitor/core": "^8.3.3"
+  }
+}
diff --git a/plans/reports/research-260510-0055-wrap-loto-as-android-app.md b/plans/reports/research-260510-0055-wrap-loto-as-android-app.md
new file mode 100644
index 0000000..75fa896
--- /dev/null
+++ b/plans/reports/research-260510-0055-wrap-loto-as-android-app.md
@@ -0,0 +1,254 @@
+# Research Report: Wrapping the `loto` SvelteKit PWA as an Android App (No Source Changes)
+
+**Date:** 2026-05-10
+**Question:** Can we wrap `tiennm99/loto` inside an Android app — writing only Android-side code, leaving the loto codebase untouched?
+
+---
+
+## TL;DR
+
+**Yes, easily.** The loto project is already a near-perfect candidate:
+
+- SvelteKit + `@sveltejs/adapter-static` → ships as a static `build/` folder
+- Already a PWA (`@vite-pwa/sveltekit`, hand-written `manifest.webmanifest`, Workbox SW)
+- Audio is bundled MP3s in `static/audio/` → no network needed at runtime once cached
+- Already deploys to GitHub Pages at `/loto` (`BUILD_PROFILE=gh`)
+
+Three viable Android-only wrapper approaches, ranked:
+
+| # | Approach | Modifies loto? | Effort | Best when |
+|---|----------|----------------|--------|-----------|
+| 1 | **TWA via Bubblewrap** | No | XS | You're OK requiring HTTPS hosting + Chrome on device |
+| 2 | **Capacitor (web-shell)** | No (just consumes `build/`) | S | You want fully offline-from-install, Play Store distribution |
+| 3 | **Raw Android WebView** | No | M | You want pure Android code, no Node toolchain in the wrapper repo |
+
+The current `loto-android` repo is a *native Kotlin port* — that's a much bigger surface than any of the above. If maintenance burden is a concern, a wrapper would have been ~10× less code.
+
+---
+
+## 1. Approach Overview
+
+### Option 1 — Trusted Web Activity (TWA) via Bubblewrap **[recommended]**
+
+Bubblewrap is Google's CLI that generates an Android Studio project that launches a deployed PWA in a Chrome Custom Tab branded as your app. ([GoogleChromeLabs/bubblewrap](https://github.com/GoogleChromeLabs/bubblewrap))
+
+**How it fits loto:**
+- Loto already deploys to GitHub Pages → `https://tiennm99.github.io/loto/` (HTTPS ✓)
+- `manifest.webmanifest` already exists ✓
+- Bubblewrap reads the manifest and generates the Android project; you publish to Play Store
+
+**Steps (high-level):**
+```bash
+npm i -g @bubblewrap/cli
+bubblewrap init --manifest=https://tiennm99.github.io/loto/manifest.webmanifest
+bubblewrap build         # produces signed APK + AAB
+```
+
+Plus one server-side step: publish `assetlinks.json` at `https://tiennm99.github.io/.well-known/assetlinks.json` to verify domain ownership. Without it, the URL bar shows up — minor but ugly.
+
+**Pros**
+- Zero loto changes, zero JS shim, zero WebView quirks (it *is* Chrome)
+- App auto-updates the moment the PWA deploys — no Play Store release needed for content
+- Smallest APK (~2 MB) and best audio/perf since it's the real Chromium
+- Official Google path, supported on Play Store
+
+**Cons**
+- Requires Chrome (or any TWA-capable browser) on the device — true for ~99% of Android phones with Play Services
+- Needs network for first launch (PWA caches kick in afterwards). If first launch must be offline → use Capacitor.
+- `assetlinks.json` setup needed for clean address-bar-less UX
+- Min Android 5.0 (Lollipop) — well below loto-android's current `minSdk 24`
+
+---
+
+### Option 2 — Capacitor
+
+Capacitor wraps any static web build (HTML/CSS/JS) inside a native Android (and iOS) shell, serving assets locally via `https://localhost`. Officially supported with SvelteKit `adapter-static`. ([capacitorjs.com/solution/svelte](https://capacitorjs.com/solution/svelte), [bryanhogan.com](https://bryanhogan.com/blog/web-to-app-sveltekit-capacitor))
+
+**How it fits loto:**
+- Build loto as static (`npm run build` → `./build/`)
+- Point Capacitor's `webDir` at `loto/build`
+- `cap add android` generates an Android Studio project; `cap sync` copies assets in
+- Audio MP3s in `static/` end up bundled in the APK
+
+**Configuration nuance:** loto's `BUILD_PROFILE=gh` sets `paths.base = "/loto"`. For Capacitor use the **default profile** (`npm run build`, base = `""`) so assets resolve at `https://localhost/`.
+
+**Pros**
+- Fully offline from first launch (audio + app shell shipped in APK)
+- No reliance on user having Chrome/TWA
+- Plugin ecosystem if you ever want native features (haptics, share, etc.)
+- Wrapper lives in a separate repo, loto is consumed as a built artifact
+
+**Cons**
+- Wrapper repo needs Node + `npx cap` tooling, not pure-Android
+- APK ~10–15 MB larger (bundled WebView assets + audio)
+- WebView ≠ Chrome; less common quirks but they exist
+- The ServiceWorker layer adds a footgun under WebView (see option 3 caveat)
+
+---
+
+### Option 3 — Raw Android WebView (pure Android code)
+
+Plain `WebView` inside an `Activity`, loading either:
+- **(a)** the remote PWA URL (`https://tiennm99.github.io/loto/`) — like a TWA but uglier and you maintain it, or
+- **(b)** the bundled `build/` copied into `app/src/main/assets/` and served via `WebViewAssetLoader` at a virtual `https://appassets.androidplatform.net/...` host.
+
+**Pros**
+- 100% Android code in the wrapper repo — no Node toolchain
+- Full control over Activity lifecycle, splash, intents, deep links
+
+**Cons**
+- You re-implement what TWA/Capacitor give for free: back-button handling, file uploads, permissions, audio focus, etc.
+- **Service Worker pitfall:** WebView's SW lifecycle is shaky — registrations can drop on cold start unless you wire up `ServiceWorkerController` + `ServiceWorkerClient` correctly. ([w3tutorials.net](https://www.w3tutorials.net/blog/how-to-use-service-workers-in-android-webview/))
+- Audio MIME types, autoplay policy, `loadWithOverviewMode` quirks all become your problem.
+- Updates require Play Store release if (b); requires network if (a).
+
+Use this only if you have a hard "no Node in the build pipeline" rule.
+
+---
+
+## 2. Comparative Analysis
+
+| Dimension | TWA / Bubblewrap | Capacitor | Raw WebView |
+|---|---|---|---|
+| Loto code changes | none | none | none |
+| First-launch offline | ✗ (cache after 1st load) | ✓ | ✓ if assets bundled |
+| APK size | ~2 MB | ~10–15 MB | ~5–15 MB |
+| Audio/perf fidelity | Chrome (best) | System WebView | System WebView |
+| Auto-update on PWA deploy | ✓ | ✗ (need new APK) | ✓ if remote, ✗ if bundled |
+| Wrapper toolchain | Node CLI once, then Android | Node + `npx cap` ongoing | Pure Android |
+| Maintenance burden | Lowest | Low–Medium | Medium |
+| Play Store eligibility | ✓ (official) | ✓ | ✓ |
+
+---
+
+## 3. Recommendation for loto
+
+**Pick Bubblewrap/TWA unless first-launch offline is a hard requirement.** Reasons:
+
+1. The loto PWA already has manifest + SW + bundled audio — the Workbox `additionalManifestEntries` precaches the default voice's clips on first visit, so once a user opens the app once, they're offline-capable. Acceptable for a fairground bingo app where users typically install before the event.
+2. Cuts maintenance to ~near zero. Loto evolves; TWA app body never needs touching.
+3. `assetlinks.json` is the only friction. Place at `https://tiennm99.github.io/.well-known/assetlinks.json` → done. (Note GitHub Pages serves the user-page apex domain, not project-page subpaths, so you'd need a thin `tiennm99.github.io` repo with a `static.json`/`.well-known/` route — or use a custom domain.)
+
+**If first-launch offline is required** (e.g., users install at the venue with no Wi-Fi): use **Capacitor**. Slightly larger APK, but everything is in the bundle.
+
+**Skip raw WebView** unless the requirement is explicitly "no Node tooling." It's the most code with the worst payoff.
+
+---
+
+## 4. Implication for the existing `loto-android` repo
+
+The current repo is a full-blown Kotlin/Compose **rewrite** of loto: `GameLogicTest`, `VietnameseNumberTest`, ExoPlayer audio, DataStore settings, Compose UI, etc. That's ~30+ files of native code that must track every loto feature change.
+
+A wrapper approach (any of the three) would have been:
+- 1 `MainActivity` + manifest + a few drawables (TWA), or
+- A Capacitor scaffold + 1 plugin-wiring file
+
+That's the trade-off. Native gives you native feel + tighter Play Store store presence; wrapper gives you ~zero divergence cost. The `loto-android` README already documents a parallel codebase ("Native Android port of tiennm99/loto"), which is the long-term cost you've taken on.
+
+If the goal of this question is **"should we replace loto-android with a wrapper?"** — yes, you can, and the loto code itself doesn't need to change. The question is whether you want to throw away the existing native UI work. If the native port already shipped and tests pass, sunk cost is real.
+
+---
+
+## 5. Quick-Start Snippets
+
+### Bubblewrap
+
+```bash
+# In a new directory, NOT the loto repo
+npm i -g @bubblewrap/cli
+bubblewrap init --manifest=https://tiennm99.github.io/loto/manifest.webmanifest
+# Answer prompts: app id (com.miti99.loto.twa), display name, etc.
+bubblewrap build
+# Output: app-release-bundle.aab + app-release-signed.apk
+
+# Get the SHA256 fingerprint Bubblewrap printed and put this in
+# https://tiennm99.github.io/.well-known/assetlinks.json:
+[{
+  "relation": ["delegate_permission/common.handle_all_urls"],
+  "target": {
+    "namespace": "android_app",
+    "package_name": "com.miti99.loto.twa",
+    "sha256_cert_fingerprints": ["<FROM BUBBLEWRAP>"]
+  }
+}]
+```
+
+### Capacitor
+
+```bash
+# In a new wrapper repo:
+npm init -y
+npm i @capacitor/core @capacitor/android
+npm i -D @capacitor/cli
+npx cap init "Lo To" com.miti99.loto --web-dir=../loto/build
+# Build loto first (default profile, NOT BUILD_PROFILE=gh)
+( cd ../loto && npm run build )
+npx cap add android
+npx cap sync
+npx cap open android   # opens in Android Studio
+```
+
+### Raw WebView (sketch)
+
+```kotlin
+// MainActivity.kt
+class MainActivity : ComponentActivity() {
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    val assetLoader = WebViewAssetLoader.Builder()
+      .addPathHandler("/assets/", AssetsPathHandler(this))
+      .build()
+    val webView = WebView(this).apply {
+      settings.javaScriptEnabled = true
+      settings.domStorageEnabled = true
+      settings.mediaPlaybackRequiresUserGesture = false
+      webViewClient = object : WebViewClient() {
+        override fun shouldInterceptRequest(view: WebView, request: WebResourceRequest) =
+          assetLoader.shouldInterceptRequest(request.url)
+      }
+      loadUrl("https://appassets.androidplatform.net/assets/index.html")
+    }
+    setContentView(webView)
+  }
+}
+```
+
+You'd also need `ServiceWorkerController.getInstance().setServiceWorkerClient(...)` so SW fetches go through the same `assetLoader`.
+
+---
+
+## 6. Common Pitfalls
+
+- **Capacitor + GH base path:** if you `BUILD_PROFILE=gh` before `cap sync`, all asset URLs become `/loto/...` and break under `https://localhost/`. Use the default build profile.
+- **Bubblewrap + no `assetlinks.json`:** app launches with a Chrome-style URL bar. Fixable post-launch but jarring for first impressions.
+- **WebView SW persistence:** if the offline experience randomly breaks after app restart, it's the Service Worker registration getting GC'd. Configure `ServiceWorkerController`.
+- **Audio autoplay:** WebView blocks autoplay by default. Set `settings.mediaPlaybackRequiresUserGesture = false` (only for option 3 — TWA/Capacitor handle this).
+- **Play Store policy:** TWAs and Capacitor apps are explicitly allowed; raw WebView shells that are "thin browsers" are sometimes flagged. Add native value (offline-first, push, etc.) to be safe.
+
+---
+
+## 7. Resources
+
+### Official
+- [GoogleChromeLabs/bubblewrap (CLI)](https://github.com/GoogleChromeLabs/bubblewrap)
+- [TWA Quick Start — Android Developers](https://developer.android.com/develop/ui/views/layout/webapps/guide-trusted-web-activities-version2)
+- [Adding Your PWA to Google Play (codelab)](https://developers.google.com/codelabs/pwa-in-play)
+- [Capacitor + Svelte](https://capacitorjs.com/solution/svelte)
+- [SvelteKit Service Workers](https://svelte.dev/docs/kit/service-workers)
+- [vite-pwa/sveltekit](https://github.com/vite-pwa/sveltekit) (already in use by loto)
+
+### Walkthroughs
+- [From Web to Native: SvelteKit & Capacitor — Bryan Hogan](https://bryanhogan.com/blog/web-to-app-sveltekit-capacitor)
+- [Cross-Platform SvelteKit & Capacitor — Ionic Blog](https://ionic.io/blog/cross-platform-sveltekit-capacitor-application-yes-its-possible)
+- [PWA + Bubblewrap — Thinktecture](https://www.thinktecture.com/en/pwa/twa-bubblewrap/)
+- [Submitting a PWA via Bubblewrap — Vaadin](https://vaadin.com/blog/submitting-a-pwa-to-google-play-store-using-bubblewrap)
+- [Service Workers in Android WebView](https://www.w3tutorials.net/blog/how-to-use-service-workers-in-android-webview/)
+
+---
+
+## Unresolved Questions
+
+1. Is the current native `loto-android` already published to Play Store / shipped to users? If yes, ABI-compat (`com.miti99.loto`) means a wrapper migration would replace the existing app — UX/data-migration plan needed (DataStore settings won't survive).
+2. Do users typically install **before** going to the venue (likely yes — fairground game) or at the venue with no Wi-Fi (would force Capacitor over TWA)?
+3. Does loto need any feature that pure-web can't do well (background audio while screen off, lock-screen controls, system media notification)? If yes, native (current path) wins; if no, wrapper wins.
+4. Custom domain plan? `assetlinks.json` on `tiennm99.github.io` requires writing to the user-page repo — using a custom domain (e.g., `loto.miti99.com`) sidesteps this cleanly.
diff --git a/plans/todo.md b/plans/todo.md
index 9e614d2..f1de675 100644
--- a/plans/todo.md
+++ b/plans/todo.md
@@ -1,62 +1,76 @@
 # Lô tô Android — TODO
 
-Outstanding work, grouped by priority. The 11 implementation phases from
-`260427-1153-loto-android-port/` are complete and pushed to GitHub.
+## Direction change (2026-05-10)
 
-## P0 — Verify build (cannot do here, no JDK/SDK)
+Repo migrated from **native Kotlin/Compose port** to a **Capacitor wrapper**
+around the upstream `tiennm99/loto` SvelteKit PWA. Native code lives in git
+history at commits `9a35686` and `fe52232` — recoverable but no longer the
+ship target.
 
-- [ ] Open `/config/workspace/tiennm99/loto-android/` in Android Studio Ladybug+
-- [ ] Sync Gradle, fix any version-resolution gaps
-- [ ] `./gradlew :app:lint :app:test :app:assembleDebug`
-- [ ] Run on emulator (API 24, API 31, API 35) — golden path: generate card → tap row to bingo → "Kinh!" modal + audio
-- [ ] Run instrumentation: `./gradlew :app:connectedDebugAndroidTest` (`MainActivityComposeSmokeTest`)
-- [ ] Sanity-check first-build CI run: GitHub Actions tab → `build-debug` workflow
+Reason: maintenance parity. Loto evolves; the wrapper rebuilds and ships
+without re-porting features.
 
-## P1 — Tests not written by the agent
+## P0 — Verify CI build (cannot do locally, no JDK/SDK in dev sandbox)
 
-- [ ] `CallBusTest` — Turbine: broadcast/reset/monotonic id (specced in phase-06)
-- [ ] `PlayerBoardViewModelTest` — bingo idempotency, forward-only auto-tick, mode gating, voice announce rule (specced in phase-06).
-      Tier rule (post-260429-1511 sync): `tier == 2` when `celebrated.size >= 2` OR `(celebrated.size >= 1 AND any other row in Chờ)`. Also assert `sectionHasWaiting[s]` flips amber when any row in section `s` has 1 uncrossed number, drops once that row completes.
-- [ ] `MasterPanelViewModelTest` — `runTest` with `advanceTimeBy` for auto-call cadence, settings-mid-run cancel, remaining-empty stop (specced in phase-06)
-- [ ] `VoicePlayerInstrumentationTest` — assets resolve, clip plays end-to-end (specced in phase-04)
-- [ ] `MasterBoardLayoutTest` — verify the 11×9 ones-digit layout (90 in row10/col8, edge cells correct)
-- [ ] `VoiceManifestTest` — JSON parse, malformed input fallback
+- [ ] Push to a PR branch → confirm `build-debug` workflow assembles APK
+- [ ] Sideload the artifact onto a real device (API 24, API 31, API 36)
+- [ ] Smoke test cold start: app loads `https://localhost/`, no white flash > 1s
+- [ ] Smoke test offline: enable airplane mode, kill app, relaunch — must work
+- [ ] Smoke test audio: tap any number → Vietnamese voice plays
+- [ ] Verify both voices switch correctly (`hoai-my` ↔ `nam-minh`)
 
-## P1 — Known concerns flagged during build
+## P0 — Wrapper-specific concerns
 
-- [ ] `BringIntoViewRequester` carries `@OptIn(ExperimentalFoundationApi::class)` in `MasterPanelScreen.kt` — check if Compose BOM 2025.01+ has stabilized this; if so, drop the annotation
-- [ ] Confetti fall-speed multiplier is `screenHeightDp * 3f` — heuristic, tune on real devices if particles look off
-- [ ] Auto-call coroutine restarts on every speed change — verify the cancel/restart doesn't leak the prior delay timer
+- [ ] First-launch SW registration: confirm Workbox precaches the bundled audio
+      (should be idempotent since assets already on-disk, but verify no errors)
+- [ ] Back button behavior: Capacitor default closes app — decide whether to
+      add `App.addListener('backButton', …)` for in-app history navigation
+- [ ] Safe-area / status-bar inset: SvelteKit UI may render under the status bar.
+      Check; add `<StatusBar>` plugin if needed
+- [ ] Audio focus: WebView `<audio>` doesn't claim AUDIOFOCUS_GAIN. Test what
+      happens when a phone call comes in mid-call (does playback duck/pause?)
+- [ ] Verify `android:supportsRtl="true"` (Capacitor default) doesn't flip the
+      Vietnamese UI
 
-## P2 — Polish before public release
+## P1 — Polish before public release
 
-- [ ] Replace the placeholder `ic_launcher_foreground.xml` (stylized "L" stroke) with a real adaptive icon — rose→amber wordmark or a fairground motif
-- [ ] App-screenshot generation for Play Store / GitHub README (3–5 phone shots: cold start, mid-game, master panel, settings, bingo modal)
-- [ ] Splash screen via `androidx.core:core-splashscreen` (currently the white themes.xml flash is acceptable but unbranded)
-- [ ] Dark mode visual pass — verify each cell/token combination, especially dark-mode empty-cell overlay
-- [ ] Per-density rasters for the launcher icon (`ic_launcher.webp` at mdpi/hdpi/xhdpi/xxhdpi/xxxhdpi) for pre-API 26 devices
-- [ ] Accessibility: TalkBack content descriptions on every interactive cell + toast; verify 4.5:1 contrast in both themes
+- [ ] Replace placeholder launcher icon (Capacitor ships a generic Material icon).
+      Use loto's existing `static/icons/` rasters; consider `@capacitor/assets`
+      to generate adaptive + splash from a single source
+- [ ] Splash screen: `@capacitor/splash-screen` plugin with brand colors
+- [ ] Status bar styling: brand-colored, light/dark text via `@capacitor/status-bar`
+- [ ] App-store screenshots (3–5 phone shots): cold start, mid-game, master panel,
+      settings, bingo modal
 
-## P2 — Distribution
+## P1 — Distribution
 
 - [ ] Generate release keystore: `keytool -genkey -v -keystore ~/.android/loto-release.jks -keyalg RSA -keysize 4096 -validity 36500 -alias loto`
 - [ ] Add GitHub secrets: `KEYSTORE_BASE64`, `KEYSTORE_PASSWORD`, `KEY_ALIAS`, `KEY_PASSWORD`
-- [ ] Tag `v1.0.0` and push → exercises `release.yml` (signed AAB+APK to GH Release)
-- [ ] (Optional) Play Console listing — privacy policy, content rating, target audience, store listing in Vietnamese
+- [ ] Tag `v1.0.0` and push → exercises `release.yml`
+- [ ] (Optional) Play Console listing in Vietnamese — privacy policy, content
+      rating, target audience
 
-## P3 — Future features (not committed)
+## P2 — Supply-chain hygiene
 
-- [ ] Host's own player card (web app supports it via `loto_master_card` prefix but doesn't render it; same here)
-- [ ] Undo last crossed cell
-- [ ] Sound effects on bingo (separate from voice)
-- [ ] PWA-style "add to home screen" — N/A on Android (already an app)
-- [ ] Multiplayer sync via WebSocket
-- [ ] English i18n — `values-en/strings.xml`
+- [ ] `npm audit` — wrapper repo (currently 0 vuln)
+- [ ] `npm audit` — loto submodule (currently 2 high — bump and re-pin)
+- [ ] Dependabot / Renovate for both `package.json` and the loto submodule SHA
+
+## P2 — Future features (not committed)
+
+- [ ] Add `@capacitor/share` for sharing the called-numbers card
+- [ ] Add `@capacitor/haptics` for bingo confirmation
+- [ ] Background audio (play numbers while screen off) — WebView audio is
+      foreground-only; would need a native plugin or service shim
+- [ ] iOS target (`npx cap add ios`) — same wrapper, ~zero extra code
 
 ## Decisions record
 
-- **Plan archive**: `/config/workspace/plans/260427-1153-loto-android-port/plan.md` (overview only; phase docs deleted post-implementation)
-- **Research reports**: `/config/workspace/plans/reports/researcher-260427-1153-{loto-codebase-analysis,android-stack,android-audio}.md`
-- **Audio framework pick**: Media3 ExoPlayer (over SoundPool) — see audio research report
-- **DI pick**: manual construction in `LotoApp.onCreate` (no Hilt) — revisit at >10 surfaces
-- **Theme**: brand-fixed colors, `dynamicColor = false` — Material You system colors would mute the rose→amber identity
+- **Architecture**: Capacitor 8 wrapper, not TWA — chosen for first-launch
+  offline guarantee (TWA needs network for first PWA fetch)
+- **Loto integration**: git submodule pinned to a SHA, not npm package — loto
+  isn't published; submodule keeps the wrapper reproducible
+- **No INTERNET permission**: enforces "fully offline" as a hard guarantee.
+  Add back if any remote feature is introduced
+- **Native port retired**: lives at commits `fe52232`/`9a35686` if someone
+  ever wants the ExoPlayer + Compose UI back
diff --git a/settings.gradle.kts b/settings.gradle.kts
deleted file mode 100644
index c3c5bc1..0000000
--- a/settings.gradle.kts
+++ /dev/null
@@ -1,24 +0,0 @@
-pluginManagement {
-    repositories {
-        google {
-            content {
-                includeGroupByRegex("com\\.android.*")
-                includeGroupByRegex("com\\.google.*")
-                includeGroupByRegex("androidx.*")
-            }
-        }
-        mavenCentral()
-        gradlePluginPortal()
-    }
-}
-
-dependencyResolutionManagement {
-    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
-    repositories {
-        google()
-        mavenCentral()
-    }
-}
-
-rootProject.name = "loto-android"
-include(":app")