frontend v0.4.0

updated gitignore
full backend rewrite.
2026-04-06 01:02:39 +01:00 · 2026-04-06 01:00:27 +01:00 · 2026-04-06 00:57:23 +01:00 · 2026-04-02 03:11:14 +01:00 · 2026-04-02 03:09:33 +01:00 · 2026-04-01 21:53:38 +01:00
177 changed files with 10763 additions and 1063 deletions
@@ -1,6 +1,9 @@
 */target
 .env
 .log*
+
 Cargo.lock
 .cargo/
+.sqlx/
+
 docker-compose*
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/backend/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/backend/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="chatapp dev" uuid="81992477-fd6f-427e-a27e-7378c26db6ef">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://100.118.108.58:5432/chatapp_dev</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.host.port" />
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+        <property name="com.intellij.clouds.kubernetes.db.container.port" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="externalProjectPath" value="$PROJECT_DIR$/android" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="Eslint" enabled="true" level="WARNING" enabled_by_default="true" />
+  </profile>
+</component>
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="highlight(1)">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/backend/static/highlight(1).zip!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
@@ -0,0 +1,6 @@
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="25" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/chatapp.iml" filepath="$PROJECT_DIR$/.idea/chatapp.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
@@ -10,6 +10,12 @@
          "command": "clippy" // rust-analyzer.check.command (default: "check")
        }
      }
+    },
+    "nu": {
+      "binary": {
+        "path": "/home/fantasypvp/.cargo/bin/nu",
+        "arguments": ["--lsp"]
+      }
    }
  }
 }
@@ -0,0 +1,18 @@
+*.iml
+.gradle
+/local.properties
+/keystore.properties
+/.idea/caches
+/.idea/.cache
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+release/
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
@@ -0,0 +1 @@
+Chatapp
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AppInsightsSettings">
+    <option name="selectedTabId" value="Android vitals" />
+  </component>
+</project>
@@ -0,0 +1,123 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="XML">
+      <option name="FORCE_REARRANGE_MODE" value="1" />
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="21" />
+  </component>
+</project>
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2026-04-02T14:33:39.814557661Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="PhysicalDevice" identifier="serial=00319362N000094" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
+      </SelectionState>
+      <SelectionState runConfigName="MainActivity">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
@@ -0,0 +1,61 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+  </profile>
+</component>
@@ -0,0 +1,9 @@
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="StudioBotProjectSettings">
+    <option name="shareContext" value="OptedIn" />
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
@@ -0,0 +1 @@
+/build
@@ -0,0 +1,107 @@
+import java.util.Properties
+
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.compose)
+    alias(libs.plugins.kotlin.serialization)
+}
+
+android {
+    namespace = "dev.zxq5.chatapp.android"
+    compileSdk = 35
+
+    val keystorePropertiesFile = rootProject.file("local.properties")
+    val keystoreProperties = Properties()
+    if (keystorePropertiesFile.exists()) {
+        keystoreProperties.load(keystorePropertiesFile.inputStream())
+    }
+
+    signingConfigs {
+        create("release") {
+            storeFile = file("${System.getProperty("user.home")}/keystores/chatapp.jks")
+            storePassword = keystoreProperties["KEYSTORE_PASSWORD"] as String? 
+                ?: System.getenv("KEYSTORE_PASSWORD") 
+                ?: ""
+            keyAlias = "chatapp"
+            keyPassword = keystoreProperties["KEY_PASSWORD"] as String? 
+                ?: System.getenv("KEY_PASSWORD") 
+                ?: ""
+        }
+    }
+
+    defaultConfig {
+        applicationId = "dev.zxq5.chatapp.android"
+        minSdk = 26
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true        // shrinks code
+            isShrinkResources = true      // removes unused resources
+            signingConfig = signingConfigs.getByName("release")
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+            buildConfigField("String", "BASE_URL", "\"https://chat.zxq5.dev\"")
+        }
+        debug {
+            isMinifyEnabled = false
+            isDebuggable = true
+            applicationIdSuffix = ".debug"  // lets you install both side by side
+            buildConfigField("String", "BASE_URL", "\"http://zxq5-x1:8000\"")
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    buildFeatures {
+        compose = true
+        buildConfig = true
+    }
+}
+
+dependencies {
+    // Ktor client
+    implementation(libs.ktor.client.android)
+    implementation(libs.ktor.client.content.negotiation)
+    implementation(libs.ktor.serialization.kotlinx.json)
+    implementation(libs.ktor.client.auth)        // Auth plugin
+    // Kotlinx Serialization
+    implementation(libs.kotlinx.serialization.json)
+    // Coroutines
+    implementation(libs.kotlinx.coroutines.android)
+
+    // ViewModel
+    implementation(libs.androidx.lifecycle.viewmodel.compose)
+
+    // Encrypted storage for session cookie/token
+    implementation(libs.androidx.security.crypto)
+
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.compose.ui)
+    implementation(libs.androidx.compose.ui.graphics)
+    implementation(libs.androidx.compose.ui.tooling.preview)
+    implementation(libs.androidx.compose.material3)
+    implementation(libs.androidx.compose.foundation.layout)
+    implementation(libs.androidx.compose.material.icons.extended)
+
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.compose.ui.test.junit4)
+    debugImplementation(libs.androidx.compose.ui.tooling)
+    debugImplementation(libs.androidx.compose.ui.test.manifest)
+}
@@ -0,0 +1,47 @@
+# 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
+
+# Ktor
+-keep class io.ktor.** { *; }
+-keep class kotlinx.coroutines.** { *; }
+
+# Kotlinx serialization
+-keepattributes *Annotation*, InnerClasses
+-dontnote kotlinx.serialization.AnnotationsKt
+-keep,includedescriptorclasses class dev.zxq5.chatapp.android.**$$serializer { *; }
+-keepclassmembers class dev.zxq5.chatapp.android.** {
+    *** Companion;
+}
+-keepclasseswithmembers class dev.zxq5.chatapp.android.** {
+    kotlinx.serialization.KSerializer serializer(...);
+}
+
+# Keep model classes (serialization needs these)
+-keep class dev.zxq5.chatapp.android.api.model.** { *; }
+-keep class dev.zxq5.chatapp.android.data.model.** { *; }
+
+# Fix for missing errorprone and javax annotations used by Tink and other libraries
+-dontwarn com.google.errorprone.annotations.**
+-dontwarn javax.annotation.**
+
+# Fix for missing java.lang.management referenced by Ktor (not available on Android)
+-dontwarn java.lang.management.**
@@ -0,0 +1,24 @@
+package dev.zxq5.chatapp.android
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("dev.zxq5.chatapp.android", appContext.packageName)
+    }
+}
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC"/>
+
+
+    <application
+        android:name=".ChatApplication"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Chatapp"
+        android:usesCleartextTraffic="true">
+
+        <service
+            android:name=".core.service.MessageStreamService"
+            android:foregroundServiceType="dataSync"
+            android:exported="false"/>
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Chatapp">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
@@ -0,0 +1,51 @@
+package dev.zxq5.chatapp.android
+
+import android.app.Application
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.os.Build
+import dev.zxq5.chatapp.android.core.data.TokenStore
+import dev.zxq5.chatapp.android.data.repository.AuthRepository
+import dev.zxq5.chatapp.android.data.repository.ChatRepository
+import dev.zxq5.chatapp.android.data.repository.SettingsRepository
+
+class ChatApplication : Application() {
+
+    object AppState {
+        var isInForeground = false
+    }
+
+    val tokenStore by lazy { TokenStore(this) }
+    val authRepository by lazy { AuthRepository(tokenStore) }
+    val chatRepository by lazy { ChatRepository(tokenStore) }
+    val settingsRepository by lazy { SettingsRepository(tokenStore) }
+
+    override fun onCreate() {
+        super.onCreate()
+        createNotificationChannels()
+    }
+
+    private fun createNotificationChannels() {
+        val messageChannel = NotificationChannel(
+            "messages",
+            "Messages",
+            NotificationManager.IMPORTANCE_HIGH
+        ).apply {
+            description = "New message notifications"
+            enableVibration(true)
+        }
+
+        // add this — required for the foreground service persistent notification
+        val serviceChannel = NotificationChannel(
+            "service",
+            "Background connection",
+            NotificationManager.IMPORTANCE_LOW
+        ).apply {
+            description = "Keeps messages running in background"
+        }
+
+        val manager = getSystemService(NotificationManager::class.java)
+        manager.createNotificationChannel(messageChannel)
+        manager.createNotificationChannel(serviceChannel)
+    }
+}
@@ -0,0 +1,185 @@
+package dev.zxq5.chatapp.android
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ChatBubbleOutline
+import androidx.compose.material.icons.outlined.PeopleOutline
+import androidx.compose.material.icons.outlined.Settings
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.NavigationBarItemDefaults
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import dev.zxq5.chatapp.android.ChatApplication.AppState
+import dev.zxq5.chatapp.android.core.service.MessageStreamService
+import dev.zxq5.chatapp.android.data.repository.AuthState
+import dev.zxq5.chatapp.android.feature.auth.AuthScreen
+import dev.zxq5.chatapp.android.feature.auth.AuthViewModel
+import dev.zxq5.chatapp.android.feature.chat.ChatScreen
+import dev.zxq5.chatapp.android.feature.chat.ChatViewModel
+import dev.zxq5.chatapp.android.feature.chat.Screen
+import dev.zxq5.chatapp.android.feature.contacts.ContactsScreen
+import dev.zxq5.chatapp.android.feature.settings.SettingsScreen
+import dev.zxq5.chatapp.android.feature.settings.SettingsViewModel
+import dev.zxq5.chatapp.android.ui.theme.ChatappTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        
+        val app = application as ChatApplication
+        val authRepository = app.authRepository
+        val chatRepository = app.chatRepository
+        val settingsRepository = app.settingsRepository
+
+        enableEdgeToEdge()
+        setContent {
+            ChatappTheme {
+                val authViewModel: AuthViewModel = viewModel(factory = ViewModelFactory(authRepository))
+                val chatViewModel: ChatViewModel = viewModel(factory = ViewModelFactory(chatRepository))
+                val settingsViewModel: SettingsViewModel = viewModel(factory = ViewModelFactory(settingsRepository))
+                
+                val authState by authViewModel.authState.collectAsState()
+                val currentScreen by chatViewModel.currentScreen.collectAsState()
+                val selectedChannelId by chatViewModel.channelId.collectAsState()
+
+                LaunchedEffect(authState) {
+                    when (authState) {
+                        AuthState.Authenticated -> MessageStreamService.start(this@MainActivity)
+                        AuthState.Unauthenticated -> MessageStreamService.stop(this@MainActivity)
+                        AuthState.AwaitingTotp -> {}
+                    }
+                }
+
+                LaunchedEffect(Unit) {
+                    intent.getIntExtra("channel_id", -1).takeIf { it != -1 }?.let {
+                        chatViewModel.switchChannel(it.toLong())
+                    }
+                }
+
+                if (authState == AuthState.Authenticated) {
+                    Scaffold(
+                        modifier = Modifier.fillMaxSize(),
+                        bottomBar = {
+                            // Only show bottom bar if we are NOT inside a specific chat channel
+                            if (selectedChannelId == null) {
+                                BottomDock(
+                                    currentScreen = currentScreen,
+                                    onNavigate = { chatViewModel.navigateTo(it) }
+                                )
+                            }
+                        }
+                    ) { innerPadding ->
+                        Box(modifier = Modifier.padding(innerPadding)) {
+                            when (currentScreen) {
+                                Screen.CHAT -> ChatScreen(
+                                    viewModel = chatViewModel,
+                                    onNavigateToSettings = { chatViewModel.navigateTo(Screen.SETTINGS) },
+                                    onLogout = { 
+                                        authViewModel.logout()
+                                        chatViewModel.clearChat()
+                                    }
+                                )
+                                Screen.CONTACTS -> ContactsScreen()
+                                Screen.SETTINGS -> SettingsScreen(
+                                    viewModel = settingsViewModel,
+                                    onLogout = {
+                                        authViewModel.logout()
+                                        chatViewModel.clearChat()
+                                    }
+                                )
+                            }
+                        }
+                    }
+                } else {
+                    AuthScreen(viewModel = authViewModel)
+                }
+            }
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        AppState.isInForeground = true
+    }
+
+    override fun onPause() {
+        super.onPause()
+        AppState.isInForeground = false
+    }
+
+    override fun onNewIntent(intent: android.content.Intent) {
+        super.onNewIntent(intent)
+        intent.getIntExtra("channel_id", -1).takeIf { it != -1 }?.let { channelId ->
+            MessageStreamService.instance?.activeChannelId = channelId.toLong()
+        }
+    }
+}
+
+@Composable
+fun BottomDock(currentScreen: Screen, onNavigate: (Screen) -> Unit) {
+    NavigationBar(
+        containerColor = MaterialTheme.colorScheme.background,
+        tonalElevation = 0.dp,
+        modifier = Modifier
+            .height(80.dp)
+            .border(
+                0.5.dp, 
+                MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.2f), 
+                RoundedCornerShape(topStart = 0.dp, topEnd = 0.dp)
+            )
+    ) {
+        NavigationBarItem(
+            selected = currentScreen == Screen.CHAT,
+            onClick = { onNavigate(Screen.CHAT) },
+            icon = { Icon(Icons.Outlined.ChatBubbleOutline, contentDescription = "Chat") },
+            label = { Text("chat", style = MaterialTheme.typography.labelSmall) },
+            colors = NavigationBarItemDefaults.colors(
+                selectedIconColor = MaterialTheme.colorScheme.primary,
+                unselectedIconColor = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f),
+                indicatorColor = Color.Transparent
+            )
+        )
+        NavigationBarItem(
+            selected = currentScreen == Screen.CONTACTS,
+            onClick = { onNavigate(Screen.CONTACTS) },
+            icon = { Icon(Icons.Outlined.PeopleOutline, contentDescription = "Contacts") },
+            label = { Text("contacts", style = MaterialTheme.typography.labelSmall) },
+            colors = NavigationBarItemDefaults.colors(
+                selectedIconColor = MaterialTheme.colorScheme.primary,
+                unselectedIconColor = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f),
+                indicatorColor = Color.Transparent
+            )
+        )
+        NavigationBarItem(
+            selected = currentScreen == Screen.SETTINGS,
+            onClick = { onNavigate(Screen.SETTINGS) },
+            icon = { Icon(Icons.Outlined.Settings, contentDescription = "Settings") },
+            label = { Text("settings", style = MaterialTheme.typography.labelSmall) },
+            colors = NavigationBarItemDefaults.colors(
+                selectedIconColor = MaterialTheme.colorScheme.primary,
+                unselectedIconColor = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f),
+                indicatorColor = Color.Transparent
+            )
+        )
+    }
+}
@@ -0,0 +1,27 @@
+package dev.zxq5.chatapp.android
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import dev.zxq5.chatapp.android.data.repository.AuthRepository
+import dev.zxq5.chatapp.android.data.repository.ChatRepository
+import dev.zxq5.chatapp.android.data.repository.SettingsRepository
+import dev.zxq5.chatapp.android.feature.auth.AuthViewModel
+import dev.zxq5.chatapp.android.feature.chat.ChatViewModel
+import dev.zxq5.chatapp.android.feature.settings.SettingsViewModel
+
+class ViewModelFactory(private val repository: Any) : ViewModelProvider.Factory {
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        return when {
+            modelClass.isAssignableFrom(AuthViewModel::class.java) -> {
+                AuthViewModel(repository as AuthRepository) as T
+            }
+            modelClass.isAssignableFrom(ChatViewModel::class.java) -> {
+                ChatViewModel(repository as ChatRepository) as T
+            }
+            modelClass.isAssignableFrom(SettingsViewModel::class.java) -> {
+                SettingsViewModel(repository as SettingsRepository) as T
+            }
+            else -> throw IllegalArgumentException("Unknown ViewModel class")
+        }
+    }
+}
@@ -0,0 +1,117 @@
+package dev.zxq5.chatapp.android.api
+
+import android.util.Log
+import dev.zxq5.chatapp.android.BuildConfig
+import dev.zxq5.chatapp.android.BuildConfig.BASE_URL
+import dev.zxq5.chatapp.android.api.model.LoginRequest
+import dev.zxq5.chatapp.android.api.model.LoginResponse
+import dev.zxq5.chatapp.android.api.model.TOTPSixDigitCode
+import dev.zxq5.chatapp.android.core.error.ApiResult
+import dev.zxq5.chatapp.android.api.model.SignupRequest
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.engine.android.Android
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.request.header
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
+import io.ktor.http.ContentType
+import io.ktor.http.HttpHeaders
+import io.ktor.http.contentType
+import io.ktor.http.isSuccess
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.serialization.json.Json
+
+/**
+ * Client for unauthenticated and pre-authenticated (2FA) requests.
+ */
+object AuthClient {
+    private val http = HttpClient(Android) {
+        install(ContentNegotiation) {
+            json(Json { ignoreUnknownKeys = true })
+        }
+    }
+
+    suspend fun login(username: String, password: String): ApiResult<LoginResponse> {
+        return try {
+            val response = http.post("${BASE_URL}/api/login") {
+                contentType(ContentType.Application.Json)
+                setBody(LoginRequest(username, password))
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(response.body<LoginResponse>())
+            } else {
+                ApiResult.HttpError(
+                    status = response.status.value,
+                    message = when (response.status.value) {
+                        401 -> "Invalid username or password"
+                        403 -> "Account suspended"
+                        429 -> "Too many attempts, please wait"
+                        else -> "Login failed (${response.status.value})"
+                    }
+                )
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Login network error", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun signup(username: String, email: String, password: String, token: String): ApiResult<LoginResponse> {
+        return try {
+            val response = http.post("${BASE_URL}/api/signup") {
+                contentType(ContentType.Application.Json)
+                setBody(
+                    SignupRequest(
+                        username = username,
+                        email = email,
+                        password = password,
+                        access_token = token
+                    )
+                )
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(response.body<LoginResponse>())
+            } else {
+                ApiResult.HttpError(
+                    status = response.status.value,
+                    message = when (response.status.value) {
+                        401 -> "Invalid access token"
+                        else -> "Signup failed (${response.status.value})"
+                    }
+                )
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Signup error", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun verifyTotpLogin(partialToken: String, code: String): ApiResult<LoginResponse> {
+        return try {
+            val response = http.post("${BASE_URL}/api/totp/verify") {
+                header(HttpHeaders.Authorization, "Bearer $partialToken")
+                contentType(ContentType.Application.Json)
+                setBody(TOTPSixDigitCode(code))
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(response.body<LoginResponse>())
+            } else {
+                val errorText = try { response.body<String>() } catch (e: Exception) { "Unknown error" }
+                Log.e("Chat", "TOTP verify failed: ${response.status.value} - $errorText")
+                ApiResult.HttpError(
+                    status = response.status.value,
+                    message = when (response.status.value) {
+                        401 -> "Incorrect code, please try again"
+                        403 -> "Session expired, please log in again"
+                        429 -> "Too many attempts, please wait"
+                        else -> "Verification failed (${response.status.value})"
+                    }
+                )
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "TOTP verify network error", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+}
@@ -0,0 +1,65 @@
+package dev.zxq5.chatapp.android.api
+
+import dev.zxq5.chatapp.android.BuildConfig.BASE_URL
+import dev.zxq5.chatapp.android.api.model.Message
+import dev.zxq5.chatapp.android.api.model.SendMessage
+import dev.zxq5.chatapp.android.api.model.SpaceDto
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.engine.android.Android
+import io.ktor.client.plugins.auth.Auth
+import io.ktor.client.plugins.auth.providers.BearerTokens
+import io.ktor.client.plugins.auth.providers.bearer
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.request.get
+import io.ktor.client.request.post
+import io.ktor.client.request.prepareGet
+import io.ktor.client.request.setBody
+import io.ktor.client.statement.bodyAsChannel
+import io.ktor.http.ContentType
+import io.ktor.http.contentType
+import io.ktor.serialization.kotlinx.json.json
+import io.ktor.utils.io.readLine
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import kotlinx.serialization.json.Json
+import kotlin.time.Clock
+import kotlin.time.ExperimentalTime
+
+class ChatClient(private val token: String) {
+
+    private val http = HttpClient(Android) {
+        install(ContentNegotiation) {
+            json(Json { ignoreUnknownKeys = true })
+        }
+        install(Auth) {
+            bearer {
+                loadTokens { BearerTokens(token, "") }
+            }
+        }
+    }
+
+    suspend fun getAccessibleChannels(): List<SpaceDto> = http.get("${BASE_URL}/api/accessible_channels").body()
+
+    @OptIn(ExperimentalTime::class)
+    suspend fun sendMessage(channelId: Long, userId: Int, text: String) {
+        http.post("${BASE_URL}/api/chat/$channelId") {
+            contentType(ContentType.Application.Json)
+            setBody(SendMessage(user_id = userId, text = text, timestamp = Clock.System.now()))
+        }
+    }
+
+    fun messageStream(channelId: Long): Flow<Message> = flow {
+        http.prepareGet("${BASE_URL}/api/events/$channelId").execute { response ->
+            val channel = response.bodyAsChannel()
+            while (!channel.isClosedForRead) {
+                val line = channel.readLine() ?: break
+                if (line.startsWith("data:")) {
+                    val json = line.removePrefix("data:").trim()
+                    runCatching { Json.decodeFromString<Message>(json) }
+                        .onSuccess { emit(it) }
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,171 @@
+package dev.zxq5.chatapp.android.api
+
+import android.util.Log
+import dev.zxq5.chatapp.android.BuildConfig.BASE_URL
+import dev.zxq5.chatapp.android.api.model.AccountDeleteRequest
+import dev.zxq5.chatapp.android.api.model.DisplayNameRequest
+import dev.zxq5.chatapp.android.api.model.PasswordChangeRequest
+import dev.zxq5.chatapp.android.api.model.QrResponse
+import dev.zxq5.chatapp.android.api.model.TOTPSixDigitCode
+import dev.zxq5.chatapp.android.api.model.TotpStatus
+import dev.zxq5.chatapp.android.api.model.UsernameRequest
+import dev.zxq5.chatapp.android.api.model.TotpDeleteRequest
+import dev.zxq5.chatapp.android.api.model.PasswordRequest
+import dev.zxq5.chatapp.android.core.error.ApiResult
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.engine.android.Android
+import io.ktor.client.plugins.auth.Auth
+import io.ktor.client.plugins.auth.providers.BearerTokens
+import io.ktor.client.plugins.auth.providers.bearer
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.request.delete
+import io.ktor.client.request.get
+import io.ktor.client.request.patch
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
+import io.ktor.http.ContentType
+import io.ktor.http.contentType
+import io.ktor.http.isSuccess
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.serialization.json.Json
+
+/**
+ * Client for account settings and TOTP management.
+ */
+class SettingsClient(private val token: String) {
+    private val http = HttpClient(Android) {
+        install(ContentNegotiation) {
+            json(Json { ignoreUnknownKeys = true })
+        }
+        install(Auth) {
+            bearer {
+                loadTokens { BearerTokens(token, "") }
+            }
+        }
+    }
+
+    suspend fun getTotpQr(password: String): ApiResult<QrResponse> {
+        return try {
+            val response = http.post("${BASE_URL}/api/totp.jpg") {
+                contentType(ContentType.Application.Json)
+                setBody(PasswordRequest(password))
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(response.body<QrResponse>())
+            } else {
+                ApiResult.HttpError(response.status.value, "Failed to get QR code")
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Error fetching TOTP QR", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun confirmTotp(code: String): ApiResult<Unit> {
+        return try {
+            val response = http.post("${BASE_URL}/api/totp") {
+                contentType(ContentType.Application.Json)
+                setBody(TOTPSixDigitCode(code))
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(Unit)
+            } else {
+                ApiResult.HttpError(response.status.value, "Failed to confirm TOTP")
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Error confirming TOTP", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun getTotpStatus(): ApiResult<TotpStatus> {
+        return try {
+            val response = http.get("${BASE_URL}/api/totp/status")
+            if (response.status.isSuccess()) {
+                ApiResult.Success(response.body<TotpStatus>())
+            } else {
+                ApiResult.HttpError(response.status.value, "Failed to get TOTP status")
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Error getting TOTP status", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun disableTotp(password: String, totpCode: String): ApiResult<Unit> {
+        return try {
+            val response = http.delete("${BASE_URL}/api/totp") {
+                contentType(ContentType.Application.Json)
+                setBody(TotpDeleteRequest(password, totpCode))
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(Unit)
+            } else {
+                ApiResult.HttpError(response.status.value, "Failed to disable TOTP")
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Error disabling TOTP", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun changePassword(old: String, new: String): ApiResult<Unit> {
+        return try {
+            val response = http.post("${BASE_URL}/api/settings/password") {
+                contentType(ContentType.Application.Json)
+                setBody(PasswordChangeRequest(old, new))
+            }
+            if (response.status.isSuccess()) {
+                ApiResult.Success(Unit)
+            } else {
+                ApiResult.HttpError(
+                    response.status.value,
+                    if (response.status.value == 401) "Old password is wrong" else "Password change failed"
+                )
+            }
+        } catch (e: Exception) {
+            Log.e("Chat", "Error changing password", e)
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun updateDisplayName(name: String?): Boolean {
+        return try {
+            val response = http.patch("${BASE_URL}/api/settings/display_name") {
+                contentType(ContentType.Application.Json)
+                setBody(DisplayNameRequest(name))
+            }
+            response.status.isSuccess()
+        } catch (e: Exception) {
+            Log.e("Chat", "Error updating display name", e)
+            false
+        }
+    }
+
+    suspend fun updateUsername(username: String): ApiResult<Unit> {
+        return try {
+            val response = http.patch("${BASE_URL}/api/settings/username") {
+                contentType(ContentType.Application.Json)
+                setBody(UsernameRequest(username))
+            }
+            if (response.status.isSuccess()) ApiResult.Success(Unit)
+            else ApiResult.HttpError(response.status.value, "Failed to update username")
+        } catch (e: Exception) {
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+
+    suspend fun deleteAccount(password: String, totpCode: String?): ApiResult<Unit> {
+        return try {
+            val response = http.delete("${BASE_URL}/api/settings") {
+                contentType(ContentType.Application.Json)
+                setBody(AccountDeleteRequest(password, totpCode))
+            }
+            if (response.status.isSuccess()) ApiResult.Success(Unit)
+            else ApiResult.HttpError(response.status.value, "Failed to delete account")
+        } catch (e: Exception) {
+            ApiResult.NetworkError(e.localizedMessage ?: "Network error")
+        }
+    }
+}
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class AccountDeleteRequest(val password: String, val totp_code: String? = null)
@@ -0,0 +1,15 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+import kotlin.time.ExperimentalTime
+import kotlin.time.Instant
+
+@Serializable
+data class Channel @OptIn(ExperimentalTime::class) constructor(
+    val id: Long,
+    val name: String,
+    val description: String? = null,
+    val space_id: Long,
+    val created_at: Instant,
+    val updated_at: Instant
+)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class DisplayNameRequest(val display_name: String?)
@@ -0,0 +1,9 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class LoginRequest(
+    val username: String,
+    val password: String
+)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class LoginResponse(val token: String)
@@ -0,0 +1,13 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+import kotlin.time.ExperimentalTime
+import kotlin.time.Instant
+
+@Serializable
+data class Message @OptIn(ExperimentalTime::class) constructor(
+    val user_id: Int,
+    val display_name: String,
+    val text: String,
+    val timestamp: Instant
+)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class PasswordChangeRequest(val old_password: String, val new_password: String)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class PasswordRequest(val password: String)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class QrResponse(val qr_code: String)
@@ -0,0 +1,12 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+import kotlin.time.ExperimentalTime
+import kotlin.time.Instant
+
+@Serializable
+data class SendMessage @OptIn(ExperimentalTime::class) constructor(
+    val user_id: Int,
+    val text: String,
+    val timestamp: Instant
+)
@@ -0,0 +1,14 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class SignupRequest(
+    val username: String,
+    val password: String,
+    val email: String,
+
+    @SerialName("access_token")
+    val access_token: String
+)
@@ -0,0 +1,28 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+import kotlin.time.ExperimentalTime
+import kotlin.time.Instant
+
+
+@Serializable
+data class Space @OptIn(ExperimentalTime::class) constructor(
+    val id: Long,
+    val name: String,
+    val description: String? = null,
+    val owner_id: Long,
+    val created_at: Instant,
+    val updated_at: Instant
+)
+
+@Serializable
+data class SpaceDto @OptIn(ExperimentalTime::class) constructor(
+    val channels: List<Channel>,
+
+    val id: Long,
+    val name: String,
+    val description: String? = null,
+    val owner_id: Long,
+    val created_at: Instant,
+    val updated_at: Instant
+)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class TOTPSixDigitCode(val code: String)
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class TotpDeleteRequest(val password: String, val totp_code: String)
@@ -0,0 +1,24 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+@Serializable(with = TotpStatus.TotpStatusSerializer::class)
+enum class TotpStatus {
+    ENABLED, DISABLED;
+    val isEnabled: Boolean get() = this == ENABLED
+
+
+    companion object TotpStatusSerializer : KSerializer<TotpStatus> {
+        override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("TotpStatus", PrimitiveKind.STRING)
+        override fun serialize(encoder: Encoder, value: TotpStatus) = encoder.encodeString(value.name.lowercase())
+        override fun deserialize(decoder: Decoder): TotpStatus =
+            TotpStatus.valueOf(decoder.decodeString().uppercase())
+    }
+}
+
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.api.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class UsernameRequest(val username: String)
@@ -0,0 +1,3 @@
+package dev.zxq5.chatapp.android.core
+
+//const val BASE_URL = "http://zxq5-x1:8000"
@@ -0,0 +1,80 @@
+package dev.zxq5.chatapp.android.core.data
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.util.Base64
+import androidx.core.content.edit
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import org.json.JSONObject
+
+private const val KEY = "auth_token"
+private const val TWOFA_KEY = "twofa_enabled"
+
+// In your ChatClient.kt or a dedicated TokenStore
+class TokenStore(appContext: Context) {
+    private val context = appContext.applicationContext;
+
+    private fun prefs(): SharedPreferences {
+        return EncryptedSharedPreferences.create(
+            context,
+            "secure_prefs",
+            MasterKey.Builder(context)
+                .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+                .build(),
+            EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+            EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+        )
+    }
+
+    fun save(token: String) =
+        prefs().edit { putString(KEY, token) }
+
+    fun get(): String? =
+        prefs().getString(KEY, null)
+
+    fun save2faEnabled( enabled: Boolean) =
+        prefs().edit { putBoolean(TWOFA_KEY, enabled) }
+
+    fun is2faEnabled(): Boolean =
+        prefs().getBoolean(TWOFA_KEY, false)
+
+    fun clear() =
+        prefs().edit { remove(KEY).remove(TWOFA_KEY) }
+
+    fun getUserId(): Int? {
+        val token = get() ?: return null
+        return getUserIdFromToken(token)
+    }
+}
+
+fun getUserIdFromToken(token: String): Int? {
+    return try {
+        val payload = token.split(".")[1]
+        // base64url needs padding restored
+        val padded = payload + "==".take((4 - payload.length % 4) % 4)
+        val jsonString = String(Base64.decode(padded, Base64.URL_SAFE))
+        val json = JSONObject(jsonString)
+
+        // Handle both standard 'sub' and custom 'user_id'
+        when {
+            json.has("sub") -> json.getInt("sub")
+            json.has("user_id") -> json.getInt("user_id")
+            else -> null
+        }
+    } catch (e: Exception) {
+        null
+    }
+}
+
+fun getScopeFromToken(token: String): String? {
+    return try {
+        val payload = token.split(".")[1]
+        val padded = payload + "==".take((4 - payload.length % 4) % 4)
+        val jsonString = String(Base64.decode(padded, Base64.URL_SAFE))
+        val json = JSONObject(jsonString)
+        if (json.has("scope")) json.getString("scope") else null
+    } catch (e: Exception) {
+        null
+    }
+}
@@ -0,0 +1,7 @@
+package dev.zxq5.chatapp.android.core.error
+
+sealed class ApiResult<out T> {
+    data class Success<T>(val data: T) : ApiResult<T>()
+    data class HttpError(val status: Int, val message: String) : ApiResult<Nothing>()
+    data class NetworkError(val message: String) : ApiResult<Nothing>()
+}
@@ -0,0 +1,104 @@
+package dev.zxq5.chatapp.android.core.service
+
+import android.app.Service
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.IBinder
+import android.util.Log
+import dev.zxq5.chatapp.android.ChatApplication
+import dev.zxq5.chatapp.android.data.repository.ChatRepository
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.launch
+
+// core/service/MessageStreamService.kt
+class MessageStreamService : Service() {
+
+    private val serviceScope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
+    private lateinit var notificationService: NotificationService
+    private lateinit var chatRepository: ChatRepository
+
+    // which channel the user is currently looking at
+    // set by the ViewModel when the user opens/closes a channel
+    var activeChannelId: Long? = null
+        set(value) {
+            field = value
+            Log.d("Service", "activeChannelId set to $value")
+            if (value != null) {
+                // restart stream with new channel
+                currentStreamJob?.cancel()
+                observeMessages()
+            }
+        }
+
+    private var currentStreamJob: kotlinx.coroutines.Job? = null
+
+    companion object {
+        var instance: MessageStreamService? = null
+
+        fun start(context: Context) {
+            val intent = Intent(context, MessageStreamService::class.java)
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                context.startForegroundService(intent)
+            } else {
+                context.startService(intent)
+            }
+        }
+
+        fun stop(context: Context) {
+            context.stopService(Intent(context, MessageStreamService::class.java))
+        }
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        instance = this
+        notificationService = NotificationService(this)
+        chatRepository = (application as ChatApplication).chatRepository
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        startForeground(
+            NotificationService.FOREGROUND_NOTIFICATION_ID,
+            notificationService.buildForegroundNotification()
+        )
+        observeMessages()
+        return START_STICKY  // restart if killed
+    }
+
+    private fun observeMessages() {
+        val channelId = activeChannelId ?: chatRepository.getLastActiveChannel()
+        Log.d("Service", "observeMessages called, channelId=$channelId")
+        if (channelId == null) {
+            Log.d("Service", "No channel to observe, waiting for switchChannel")
+            return
+        }
+
+        Log.d("Service", "Starting stream for channel $channelId")
+        currentStreamJob = serviceScope.launch {
+            chatRepository.messageStream(channelId)
+                .catch { e -> Log.e("Service", "Stream error", e) }
+                .collect { message ->
+                    if (!ChatApplication.AppState.isInForeground) {  // no channel focused, always notify
+                        notificationService.showMessageNotification(
+                            conversationId = activeChannelId.toString(),
+                            senderName = message.display_name,
+                            messagePreview = message.text.take(80)
+                        )
+                    }
+                }
+        }
+    }
+
+    override fun onBind(intent: Intent?): IBinder? = null
+
+    override fun onDestroy() {
+        super.onDestroy()
+        instance = null
+        serviceScope.cancel()
+    }
+}
@@ -0,0 +1,94 @@
+package dev.zxq5.chatapp.android.core.service
+
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import androidx.core.app.NotificationCompat
+import dev.zxq5.chatapp.android.MainActivity
+import dev.zxq5.chatapp.android.R
+
+class NotificationService(private val context: Context) {
+
+    companion object {
+        const val CHANNEL_ID = "messages"
+        const val FOREGROUND_NOTIFICATION_ID = 1  // ← this needs to exist
+    }
+
+    private val manager = context.getSystemService(NotificationManager::class.java)
+
+    fun createChannels() {
+        // channel for new message notifications
+        val messageChannel = NotificationChannel(
+            CHANNEL_ID,
+            "Messages",
+            NotificationManager.IMPORTANCE_HIGH
+        ).apply {
+            enableVibration(true)
+        }
+
+        // channel for the persistent foreground service notification
+        // low importance so it doesn't make noise
+        val serviceChannel = NotificationChannel(
+            "service",
+            "Background connection",
+            NotificationManager.IMPORTANCE_LOW
+        )
+
+        val mgr = context.getSystemService(NotificationManager::class.java)
+        mgr.createNotificationChannel(messageChannel)
+        mgr.createNotificationChannel(serviceChannel)
+    }
+
+    fun buildForegroundNotification(): Notification {
+        return NotificationCompat.Builder(context, "service")
+            .setSmallIcon(R.drawable.ic_notification)
+            .setContentTitle("chatapp")
+            .setContentText("Connected")
+            .setOngoing(true)
+            .setSilent(true)
+            .build()
+    }
+
+    fun showMessageNotification(
+        conversationId: String,
+        senderName: String,
+        messagePreview: String,   // for E2E this would be "New message" — no plaintext
+        notificationId: Int = conversationId.hashCode()
+    ) {
+        // intent that opens the app to the right conversation when tapped
+        val intent = Intent(context, MainActivity::class.java).apply {
+            flags = Intent.FLAG_ACTIVITY_SINGLE_TOP
+            putExtra("conversation_id", conversationId)
+        }
+
+        val pendingIntent = PendingIntent.getActivity(
+            context,
+            notificationId,
+            intent,
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+
+        val notification = NotificationCompat.Builder(context, "messages")
+            .setSmallIcon(R.drawable.ic_notification)
+            .setContentTitle(senderName)
+            .setContentText(messagePreview)
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
+            .setContentIntent(pendingIntent)
+            .setAutoCancel(true)         // dismiss on tap
+            .build()
+
+        manager.notify(notificationId, notification)
+    }
+
+    fun dismissNotification(conversationId: String) {
+        manager.cancel(conversationId.hashCode())
+    }
+
+    fun dismissAll() {
+        manager.cancelAll()
+    }
+}
@@ -0,0 +1,83 @@
+package dev.zxq5.chatapp.android.data.repository
+
+import dev.zxq5.chatapp.android.api.AuthClient
+import dev.zxq5.chatapp.android.core.data.TokenStore
+import dev.zxq5.chatapp.android.core.data.getScopeFromToken
+import dev.zxq5.chatapp.android.core.error.ApiResult
+import dev.zxq5.chatapp.android.feature.auth.TokenScope
+
+class AuthRepository(
+    private val tokenStore: TokenStore,
+) {
+    suspend fun signup(username: String, email: String, password: String, accessToken: String): SignupResult {
+        return when(val result = AuthClient.signup(username, email, password, accessToken)) {
+            is ApiResult.HttpError -> SignupResult.Error(result.message)
+            is ApiResult.NetworkError -> SignupResult.Error("Network error: ${result.message}")
+            is ApiResult.Success -> {
+                tokenStore.save(result.data.token)
+                SignupResult.Success
+            }
+        }
+    }
+
+    suspend fun verifyTotpLogin(code: String): LoginResult {
+        val partialToken = tokenStore.get() ?: return LoginResult.Error("Session expired")
+        return when(val result = AuthClient.verifyTotpLogin(partialToken, code)) {
+            is ApiResult.HttpError -> LoginResult.TotpError(result.message)
+            is ApiResult.NetworkError -> LoginResult.TotpError("Network error: ${result.message}")
+            is ApiResult.Success -> {
+                tokenStore.save(result.data.token)
+                LoginResult.Success
+            }
+        }
+    }
+
+    suspend fun login(username: String, password: String): LoginResult {
+        return when(val result = AuthClient.login(username, password)) {
+            is ApiResult.HttpError -> LoginResult.Error(result.message)
+            is ApiResult.NetworkError -> LoginResult.Error("Network error: ${result.message}")
+            is ApiResult.Success -> {
+                tokenStore.save(result.data.token)
+
+                when (val scope = getScopeFromToken(result.data.token)) {
+                    TokenScope.TOTP_PENDING -> LoginResult.TotpRequired
+                    TokenScope.FULL -> LoginResult.Success
+                    else -> LoginResult.Error("Unexpected token scope: $scope")
+                }
+            }
+       }
+    }
+
+    fun logout() {
+        tokenStore.clear()
+    }
+    
+    fun getUserId() = tokenStore.getUserId()
+
+    fun getAuthState(): AuthState {
+        val token = tokenStore.get() ?: return AuthState.Unauthenticated
+        return when (getScopeFromToken(token)) {
+            TokenScope.FULL -> AuthState.Authenticated
+            TokenScope.TOTP_PENDING -> AuthState.AwaitingTotp
+            else -> AuthState.Unauthenticated
+        }
+    }
+}
+
+sealed class SignupResult {
+    object Success : SignupResult()
+    data class Error(val message: String) : SignupResult()
+}
+
+sealed class LoginResult {
+    object Success : LoginResult()
+    object TotpRequired : LoginResult()
+    data class TotpError(val message: String) : LoginResult()
+    data class Error(val message: String) : LoginResult()
+}
+
+sealed class AuthState {
+    object Authenticated : AuthState()
+    object AwaitingTotp : AuthState()
+    object Unauthenticated : AuthState()
+}
@@ -0,0 +1,50 @@
+package dev.zxq5.chatapp.android.data.repository
+
+import dev.zxq5.chatapp.android.api.ChatClient
+import dev.zxq5.chatapp.android.core.data.TokenStore
+import dev.zxq5.chatapp.android.api.model.Message
+import dev.zxq5.chatapp.android.api.model.SpaceDto
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
+
+class ChatRepository(private val tokenStore: TokenStore) {
+    
+    private var _chatClient: ChatClient? = null
+    private var _lastToken: String? = null
+
+    private var _lastActiveChannel: Long? = null
+
+    private fun getChatClient(): ChatClient? {
+        val token = tokenStore.get() ?: return null
+        if (_chatClient == null || token != _lastToken) {
+            _chatClient = ChatClient(token)
+            _lastToken = token
+        }
+        return _chatClient
+    }
+
+    fun resetClient() {
+        _chatClient = null
+        _lastToken = null
+    }
+
+    fun getLastActiveChannel(): Long? {
+        return _lastActiveChannel
+    }
+
+    fun getUserId() = tokenStore.getUserId()
+
+    suspend fun getAccessibleChannels(): List<SpaceDto> {
+        return getChatClient()?.getAccessibleChannels() ?: emptyList()
+    }
+
+    suspend fun sendMessage(channelId: Long, text: String) {
+        val userId = tokenStore.getUserId() ?: return
+        getChatClient()?.sendMessage(channelId, userId, text)
+    }
+
+    fun messageStream(channelId: Long): Flow<Message> {
+        _lastActiveChannel = channelId
+        return getChatClient()?.messageStream(channelId) ?: emptyFlow()
+    }
+}
@@ -0,0 +1,67 @@
+package dev.zxq5.chatapp.android.data.repository
+
+import dev.zxq5.chatapp.android.api.model.QrResponse
+import dev.zxq5.chatapp.android.api.SettingsClient
+import dev.zxq5.chatapp.android.api.model.TotpStatus
+import dev.zxq5.chatapp.android.core.data.TokenStore
+import dev.zxq5.chatapp.android.core.error.ApiResult
+
+class SettingsRepository(private val tokenStore: TokenStore) {
+
+    private var _settingsClient: SettingsClient? = null
+    private var _lastToken: String? = null
+
+    private fun getSettingsClient(): SettingsClient? {
+        val token = tokenStore.get() ?: return null
+        if (_settingsClient == null || token != _lastToken) {
+            _settingsClient = SettingsClient(token)
+            _lastToken = token
+        }
+        return _settingsClient
+    }
+
+    fun resetClient() {
+        _settingsClient = null
+        _lastToken = null
+    }
+
+    suspend fun getTotpQr(password: String): ApiResult<QrResponse?> {
+        val settingsClient = getSettingsClient() ?: return ApiResult.NetworkError("Not authenticated")
+        return settingsClient.getTotpQr(password)
+    }
+
+    suspend fun confirmTotp(code: String): ApiResult<Unit> {
+        val client = getSettingsClient() ?: return ApiResult.NetworkError("Not authenticated")
+        return client.confirmTotp(code)
+    }
+
+    suspend fun getTotpStatus(): ApiResult<TotpStatus> {
+        return getSettingsClient()?.getTotpStatus() ?: ApiResult.NetworkError("Not authenticated")
+    }
+
+    suspend fun disableTotp(password: String, totpCode: String): ApiResult<Unit> {
+        val client = getSettingsClient() ?: return ApiResult.NetworkError("Not authenticated")
+        return client.disableTotp(password, totpCode)
+    }
+
+    suspend fun changePassword(old: String, new: String): ApiResult<Unit> {
+        return getSettingsClient()?.changePassword(old, new) ?: ApiResult.NetworkError("Not authenticated")
+    }
+
+    suspend fun updateDisplayName(name: String?): Boolean {
+        return getSettingsClient()?.updateDisplayName(name) ?: false
+    }
+
+    suspend fun updateUsername(username: String): ApiResult<Unit> {
+        return getSettingsClient()?.updateUsername(username) ?: ApiResult.NetworkError("Not authenticated")
+    }
+
+    suspend fun deleteAccount(password: String, totpCode: String?): ApiResult<Unit> {
+        return getSettingsClient()?.deleteAccount(password, totpCode) ?: ApiResult.NetworkError("Not authenticated")
+    }
+
+    fun logout() {
+        tokenStore.clear()
+        resetClient()
+    }
+}
@@ -0,0 +1,5 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+enum class AuthMode {
+    LOGIN, SIGNUP
+}
@@ -0,0 +1,39 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import dev.zxq5.chatapp.android.model.LoginState
+
+@Composable
+fun AuthScreen(viewModel: AuthViewModel) {
+    val loginState by viewModel.loginState.collectAsState()
+    val authMode by viewModel.authMode.collectAsState()
+    val totpError by viewModel.totpError.collectAsState()
+
+    if (loginState is LoginState.TwoFactorRequired ||
+        (loginState is LoginState.Loading && totpError != null)) {
+        TwoFactorLoginScreen(
+            onVerify = { viewModel.verifyTotpLogin(it) },
+            onBack = {
+                viewModel.clearTotpError()
+                viewModel.setAuthMode(AuthMode.LOGIN)
+            },
+            isLoading = loginState is LoginState.Loading,
+            error = totpError
+        )
+        return
+    }
+
+    if (authMode == AuthMode.SIGNUP) {
+        SignupScreen(
+            viewModel = viewModel,
+            onSwitchToLogin = { viewModel.setAuthMode(AuthMode.LOGIN) }
+        )
+    } else {
+        LoginScreen(
+            viewModel = viewModel,
+            onSwitchToSignup = { viewModel.setAuthMode(AuthMode.SIGNUP) }
+        )
+    }
+}
@@ -0,0 +1,108 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dev.zxq5.chatapp.android.core.service.MessageStreamService
+import dev.zxq5.chatapp.android.data.repository.AuthRepository
+import dev.zxq5.chatapp.android.data.repository.LoginResult
+import dev.zxq5.chatapp.android.data.repository.SignupResult
+import dev.zxq5.chatapp.android.data.repository.AuthState
+import dev.zxq5.chatapp.android.model.LoginState
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+class AuthViewModel(private val authRepository: AuthRepository) : ViewModel() {
+    
+    private val _loginState = MutableStateFlow<LoginState>(LoginState.Idle)
+    val loginState: StateFlow<LoginState> = _loginState
+
+    private val _authMode = MutableStateFlow(AuthMode.LOGIN)
+    val authMode: StateFlow<AuthMode> = _authMode
+
+    private val _authState = MutableStateFlow(authRepository.getAuthState())
+    val authState: StateFlow<AuthState> = _authState
+
+    private val _totpError = MutableStateFlow<String?>(null)
+    val totpError: StateFlow<String?> = _totpError
+
+    fun setAuthMode(mode: AuthMode) {
+        _authMode.value = mode
+        if (_loginState.value is LoginState.Error) {
+            _loginState.value = LoginState.Idle
+        }
+    }
+
+    fun signup(username: String, email: String, password: String, accessToken: String) {
+        viewModelScope.launch {
+            _loginState.value = LoginState.Loading
+            when (val result = authRepository.signup(username, email, password, accessToken)) {
+                is SignupResult.Success -> {
+                    updateAuthState()
+                    _loginState.value = LoginState.Success
+                }
+                is SignupResult.Error -> {
+                    _loginState.value = LoginState.Error(result.message)
+                }
+            }
+        }
+    }
+
+    fun login(username: String, password: String) {
+        viewModelScope.launch {
+            _loginState.value = LoginState.Loading
+            when (val result = authRepository.login(username, password)) {
+                is LoginResult.Success -> {
+                    updateAuthState()
+                    _loginState.value = LoginState.Success
+                }
+                is LoginResult.TotpRequired -> {
+                    updateAuthState()
+                    _loginState.value = LoginState.TwoFactorRequired
+                }
+                is LoginResult.Error -> {
+                    _loginState.value = LoginState.Error(result.message)
+                }
+                is LoginResult.TotpError -> {
+                    _loginState.value = LoginState.Error(result.message)
+                }
+            }
+        }
+    }
+
+    fun verifyTotpLogin(code: String) {
+        viewModelScope.launch {
+            _loginState.value = LoginState.Loading
+            when (val result = authRepository.verifyTotpLogin(code)) {
+                is LoginResult.Success -> {
+                    updateAuthState()
+                    _loginState.value = LoginState.Success
+                }
+                is LoginResult.TotpError -> {
+                    _totpError.value = result.message
+                    _loginState.value = LoginState.TwoFactorRequired
+                }
+                is LoginResult.Error -> {
+                    _loginState.value = LoginState.Error(result.message)
+                }
+                is LoginResult.TotpRequired -> {
+                    _loginState.value = LoginState.TwoFactorRequired
+                }
+            }
+        }
+    }
+
+    fun logout() {
+        authRepository.logout()
+        updateAuthState()
+        _loginState.value = LoginState.Idle
+    }
+
+    private fun updateAuthState() {
+        _authState.value = authRepository.getAuthState()
+    }
+    
+    fun clearTotpError() {
+        _totpError.value = null
+    }
+}
@@ -0,0 +1,133 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+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.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+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.unit.dp
+import dev.zxq5.chatapp.android.model.LoginState
+import dev.zxq5.chatapp.android.ui.components.TextField
+
+@Composable
+fun LoginScreen(
+    viewModel: AuthViewModel,
+    onSwitchToSignup: () -> Unit
+) {
+    val loginState by viewModel.loginState.collectAsState()
+    var username by remember { mutableStateOf("") }
+    var password by remember { mutableStateOf("") }
+    var localError by remember { mutableStateOf<String?>(null) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.background)
+            .padding(24.dp)
+            .verticalScroll(rememberScrollState()),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Spacer(Modifier.height(40.dp))
+        
+        Text(
+            text = "messenger",
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant,
+            modifier = Modifier.padding(bottom = 8.dp)
+        )
+
+        Text(
+            text = "welcome back",
+            style = MaterialTheme.typography.headlineMedium,
+            color = MaterialTheme.colorScheme.onSurface,
+            modifier = Modifier.padding(bottom = 48.dp)
+        )
+
+        Column(
+            modifier = Modifier.fillMaxWidth(),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            TextField(
+                value = username,
+                onValueChange = { username = it },
+                label = "username"
+            )
+
+            TextField(
+                value = password,
+                onValueChange = { password = it },
+                label = "password",
+                isPassword = true
+            )
+        }
+
+        Spacer(Modifier.height(32.dp))
+
+        Button(
+            onClick = {
+                localError = null
+                if (username.isBlank() || password.isBlank()) {
+                    localError = "fill all fields"
+                    return@Button
+                }
+                viewModel.login(username, password)
+            },
+            enabled = loginState !is LoginState.Loading,
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(8.dp),
+            colors = ButtonDefaults.buttonColors(
+                containerColor = MaterialTheme.colorScheme.primary,
+                contentColor = MaterialTheme.colorScheme.onPrimary,
+                disabledContainerColor = MaterialTheme.colorScheme.secondary
+            )
+        ) {
+            if (loginState is LoginState.Loading) {
+                CircularProgressIndicator(modifier = Modifier.size(16.dp), color = MaterialTheme.colorScheme.onPrimary, strokeWidth = 2.dp)
+            } else {
+                Text("login", style = MaterialTheme.typography.bodyLarge)
+            }
+        }
+
+        val displayError = localError ?: (loginState as? LoginState.Error)?.message
+        if (displayError != null) {
+            Text(
+                text = displayError.lowercase(),
+                style = MaterialTheme.typography.labelSmall,
+                color = Color.Red,
+                modifier = Modifier.padding(top = 16.dp)
+            )
+        }
+
+        Spacer(Modifier.height(16.dp))
+
+        TextButton(onClick = onSwitchToSignup) {
+            Text(
+                "no account? sign up",
+                style = MaterialTheme.typography.labelSmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+    }
+}
@@ -0,0 +1,160 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+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.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+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.unit.dp
+import dev.zxq5.chatapp.android.model.LoginState
+import dev.zxq5.chatapp.android.ui.components.TextField
+
+@Composable
+fun SignupScreen(
+    viewModel: AuthViewModel,
+    onSwitchToLogin: () -> Unit
+) {
+    val loginState by viewModel.loginState.collectAsState()
+
+    var username by remember { mutableStateOf("") }
+    var email by remember { mutableStateOf("") }
+    var password by remember { mutableStateOf("") }
+    var confirmPassword by remember { mutableStateOf("") }
+    var accessToken by remember { mutableStateOf("") }
+    var localError by remember { mutableStateOf<String?>(null) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.background)
+            .padding(24.dp)
+            .verticalScroll(rememberScrollState()),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Spacer(Modifier.height(40.dp))
+        
+        Text(
+            text = "messenger",
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant,
+            modifier = Modifier.padding(bottom = 8.dp)
+        )
+
+        Text(
+            text = "create account",
+            style = MaterialTheme.typography.headlineMedium,
+            color = MaterialTheme.colorScheme.onSurface,
+            modifier = Modifier.padding(bottom = 48.dp)
+        )
+
+        Column(
+            modifier = Modifier.fillMaxWidth(),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            TextField(
+                value = username,
+                onValueChange = { username = it },
+                label = "username"
+            )
+
+            TextField(
+                value = email,
+                onValueChange = { email = it },
+                label = "email"
+            )
+
+            TextField(
+                value = password,
+                onValueChange = { password = it },
+                label = "password",
+                isPassword = true
+            )
+
+            TextField(
+                value = confirmPassword,
+                onValueChange = { confirmPassword = it },
+                label = "confirm password",
+                isPassword = true
+            )
+            
+            TextField(
+                value = accessToken,
+                onValueChange = { accessToken = it },
+                label = "access token"
+            )
+        }
+
+        Spacer(Modifier.height(32.dp))
+
+        Button(
+            onClick = {
+                localError = null
+                if (username.isBlank() || email.isBlank() || password.isBlank() || accessToken.isBlank()) {
+                    localError = "fill all fields"
+                    return@Button
+                }
+                if (password != confirmPassword) {
+                    localError = "passwords mismatch"
+                    return@Button
+                }
+                viewModel.signup(username, email, password, accessToken)
+            },
+            enabled = loginState !is LoginState.Loading,
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(8.dp),
+            colors = ButtonDefaults.buttonColors(
+                containerColor = MaterialTheme.colorScheme.primary,
+                contentColor = MaterialTheme.colorScheme.onPrimary,
+                disabledContainerColor = MaterialTheme.colorScheme.secondary
+            )
+        ) {
+            if (loginState is LoginState.Loading) {
+                CircularProgressIndicator(modifier = Modifier.size(16.dp), color = MaterialTheme.colorScheme.onPrimary, strokeWidth = 2.dp)
+            } else {
+                Text("sign up", style = MaterialTheme.typography.bodyLarge)
+            }
+        }
+
+        val displayError = localError ?: (loginState as? LoginState.Error)?.message
+        if (displayError != null) {
+            Text(
+                text = displayError.lowercase(),
+                style = MaterialTheme.typography.labelSmall,
+                color = Color.Red,
+                modifier = Modifier.padding(top = 16.dp)
+            )
+        }
+
+        Spacer(Modifier.height(16.dp))
+
+        TextButton(onClick = onSwitchToLogin) {
+            Text(
+                "have account? login",
+                style = MaterialTheme.typography.labelSmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+    }
+}
@@ -0,0 +1,6 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+object TokenScope {
+    const val FULL = "full"
+    const val TOTP_PENDING = "totp_pending"
+}
@@ -0,0 +1,138 @@
+package dev.zxq5.chatapp.android.feature.auth
+
+import androidx.compose.foundation.background
+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.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.OutlinedTextFieldDefaults
+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.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+fun TwoFactorLoginScreen(
+    onVerify: (String) -> Unit,
+    onBack: () -> Unit,
+    isLoading: Boolean,
+    error: String?
+) {
+    var code by remember { mutableStateOf("") }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.background)
+            .padding(24.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            IconButton(onClick = onBack) {
+                Icon(
+                    Icons.AutoMirrored.Filled.ArrowBack,
+                    contentDescription = "Back",
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+            Text(
+                "security verification",
+                style = MaterialTheme.typography.labelSmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+
+        Spacer(Modifier.height(80.dp))
+
+        Text(
+            "two-factor auth",
+            style = MaterialTheme.typography.headlineMedium,
+            color = MaterialTheme.colorScheme.onSurface
+        )
+
+        Text(
+            "enter the 6-digit code from your app",
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f),
+            modifier = Modifier.padding(top = 8.dp, bottom = 48.dp)
+        )
+
+        OutlinedTextField(
+            value = code,
+            onValueChange = { if (it.length <= 6) code = it },
+            placeholder = { Text("000000", color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.3f)) },
+            modifier = Modifier.width(200.dp),
+            textStyle = MaterialTheme.typography.headlineMedium.copy(
+                textAlign = TextAlign.Center,
+                letterSpacing = 8.sp
+            ),
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            shape = RoundedCornerShape(8.dp),
+            colors = OutlinedTextFieldDefaults.colors(
+                focusedBorderColor = MaterialTheme.colorScheme.primary,
+                unfocusedBorderColor = MaterialTheme.colorScheme.outlineVariant,
+                focusedContainerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.1f),
+                unfocusedContainerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.1f)
+            ),
+            singleLine = true
+        )
+
+        if (error != null) {
+            Text(
+                text = error.lowercase(),
+                style = MaterialTheme.typography.labelSmall,
+                color = Color.Red,
+                modifier = Modifier.padding(top = 12.dp)
+            )
+        } else {
+            Spacer(Modifier.height(12.dp)) 
+        }
+
+        Spacer(Modifier.height(36.dp))
+
+        Button(
+            onClick = { if (code.length == 6) onVerify(code) },
+            enabled = code.length == 6 && !isLoading,
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(8.dp),
+            colors = ButtonDefaults.buttonColors(
+                containerColor = MaterialTheme.colorScheme.primary,
+                contentColor = MaterialTheme.colorScheme.onPrimary
+            )
+        ) {
+            if (isLoading) {
+                CircularProgressIndicator(modifier = Modifier.size(16.dp), color = MaterialTheme.colorScheme.onPrimary, strokeWidth = 2.dp)
+            } else {
+                Text("verify", style = MaterialTheme.typography.bodyLarge)
+            }
+        }
+    }
+}
@@ -0,0 +1,130 @@
+package dev.zxq5.chatapp.android.feature.chat
+
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dev.zxq5.chatapp.android.api.model.Channel
+import dev.zxq5.chatapp.android.data.repository.ChatRepository
+import dev.zxq5.chatapp.android.api.model.Message
+import dev.zxq5.chatapp.android.api.model.Space
+import dev.zxq5.chatapp.android.api.model.SpaceDto
+import dev.zxq5.chatapp.android.core.service.MessageStreamService
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+
+class ChatViewModel(private val chatRepository: ChatRepository) : ViewModel() {
+
+    private val _messages = MutableStateFlow<List<Message>>(emptyList())
+    val messages: StateFlow<List<Message>> = _messages
+
+    private val _channelId = MutableStateFlow<Long?>(null)
+    val channelId: StateFlow<Long?> = _channelId
+
+    private val _currentScreen = MutableStateFlow(Screen.CHAT)
+    val currentScreen: StateFlow<Screen> = _currentScreen
+
+    private val _currentUserId = MutableStateFlow<Int?>(null)
+    val currentUserId: StateFlow<Int?> = _currentUserId
+
+    private val _spaces = MutableStateFlow<List<SpaceDto>>(emptyList())
+    val spaces: StateFlow<List<SpaceDto>> = _spaces
+
+    private val _error = MutableStateFlow<String?>(null)
+    val error: StateFlow<String?> = _error
+
+    private val _channelError = MutableStateFlow<String?>(null)
+    val channelError: StateFlow<String?> = _channelError
+
+    private var streamJob: Job? = null
+
+    init {
+        _currentUserId.value = chatRepository.getUserId()
+        observeChannel()
+        loadAccessibleChannels()
+    }
+
+    fun loadAccessibleChannels() {
+        _error.value = null
+        viewModelScope.launch {
+            runCatching {
+                chatRepository.getAccessibleChannels()
+            }.onSuccess { data ->
+                _spaces.value = data
+            }.onFailure { e ->
+                Log.e("Chat", "Failed to load spaces", e)
+                _error.value = "Failed to load channels: ${e.message}"
+            }
+        }
+    }
+
+    private fun observeChannel() {
+        viewModelScope.launch {
+            _channelId.collect { id ->
+                streamJob?.cancel()
+                _messages.value = emptyList()
+                _channelError.value = null
+                if (id != null) {
+                    streamJob = launch {
+                        chatRepository.messageStream(id)
+                            .catch { e -> 
+                                Log.e("Chat", "Stream error", e)
+                                _channelError.value = "Connection lost: ${e.message}"
+                            }
+                            .collect { message ->
+                                _messages.update { it + message }
+                            }
+                    }
+                }
+            }
+        }
+    }
+
+    fun navigateTo(screen: Screen) {
+        _currentScreen.value = screen
+    }
+
+    fun switchChannel(id: Long?) {
+        _channelId.value = id
+
+        MessageStreamService.instance?.activeChannelId = id
+
+        if (id != null) {
+            // Refresh user ID just in case it wasn't available at init
+            _currentUserId.value = chatRepository.getUserId()
+        }
+    }
+
+    fun sendMessage(text: String) {
+        val currentId = _channelId.value ?: return
+        viewModelScope.launch {
+            runCatching {
+                chatRepository.sendMessage(
+                    channelId = currentId,
+                    text = text
+                )
+            }.onFailure { e ->
+                Log.e("Chat", "Send message error", e)
+                _channelError.value = "Failed to send message"
+            }
+        }
+    }
+    
+    fun clearChat() {
+        _messages.value = emptyList()
+        _channelId.value = null
+        _currentUserId.value = null
+        _error.value = null
+        _channelError.value = null
+        streamJob?.cancel()
+        chatRepository.resetClient()
+        MessageStreamService.instance?.activeChannelId = null
+    }
+
+    fun clearChannelError() {
+        _channelError.value = null
+    }
+}
@@ -0,0 +1,5 @@
+package dev.zxq5.chatapp.android.feature.chat
+
+enum class Screen {
+    CHAT, CONTACTS, SETTINGS
+}
@@ -0,0 +1,416 @@
+package dev.zxq5.chatapp.android.feature.chat
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.IntrinsicSize
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.BasicTextField
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Refresh
+import androidx.compose.material.icons.filled.Send
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+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.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.SolidColor
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import dev.zxq5.chatapp.android.api.model.Channel
+import dev.zxq5.chatapp.android.api.model.Message
+import java.text.DateFormat
+import java.util.Date
+import kotlin.time.ExperimentalTime
+
+@Composable
+fun ChatScreen(
+    viewModel: ChatViewModel,
+    onNavigateToSettings: () -> Unit,
+    onLogout: () -> Unit
+) {
+    val selectedChannelId by viewModel.channelId.collectAsState()
+
+    if (selectedChannelId == null) {
+        ChannelListScreen(
+            viewModel = viewModel,
+            onChannelSelect = { viewModel.switchChannel(it) }
+        )
+    } else {
+        MessageScreen(
+            channelId = selectedChannelId!!,
+            viewModel = viewModel,
+            onBack = { viewModel.switchChannel(null) }
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ChannelListScreen(
+    viewModel: ChatViewModel, 
+    onChannelSelect: (Long) -> Unit
+) {
+    val spaces by viewModel.spaces.collectAsState()
+    val error by viewModel.error.collectAsState()
+
+    Scaffold(
+        containerColor = MaterialTheme.colorScheme.background,
+        topBar = {
+            Column {
+                TopAppBar(
+                    title = { 
+                        Text(
+                            "messages", 
+                            style = MaterialTheme.typography.titleLarge,
+                            color = MaterialTheme.colorScheme.onSurface
+                        ) 
+                    },
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = Color.Transparent,
+                        titleContentColor = MaterialTheme.colorScheme.onSurface
+                    ),
+                    windowInsets = androidx.compose.foundation.layout.WindowInsets(0, 0, 0, 0),
+
+                )
+                Text(
+                    "Public channels - dms coming soon.",
+                    style = MaterialTheme.typography.labelSmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.4f),
+                    modifier = Modifier.padding(horizontal = 20.dp, vertical = 2.dp)
+                )
+                Spacer(Modifier.height(12.dp))
+            }
+        }
+    ) { padding ->
+        if (error != null) {
+            Column(
+                modifier = Modifier.fillMaxSize().padding(padding),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.Center
+            ) {
+                Text(
+                    text = error!!,
+                    color = MaterialTheme.colorScheme.error,
+                    textAlign = TextAlign.Center,
+                    modifier = Modifier.padding(16.dp)
+                )
+                Button(onClick = { viewModel.loadAccessibleChannels() }) {
+                    Icon(Icons.Default.Refresh, contentDescription = null)
+                    Spacer(Modifier.width(8.dp))
+                    Text("Retry")
+                }
+            }
+        } else {
+            LazyColumn(modifier = Modifier.padding(padding).fillMaxSize()) {
+                spaces.forEach { spaceDto ->
+                    item {
+                        Text(
+                            text = spaceDto.name.lowercase(),
+                            modifier = Modifier.padding(horizontal = 20.dp, vertical = 8.dp),
+                            style = MaterialTheme.typography.labelMedium,
+                            color = MaterialTheme.colorScheme.primary,
+                            fontWeight = FontWeight.Bold
+                        )
+                    }
+                    items(spaceDto.channels) { channel ->
+                        ChannelItem(channel = channel, onClick = { onChannelSelect(channel.id) })
+                        HorizontalDivider(
+                            modifier = Modifier.padding(horizontal = 20.dp),
+                            thickness = 0.5.dp,
+                            color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.2f)
+                        )
+                    }
+                    item {
+                        Spacer(Modifier.height(16.dp))
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun ChannelItem(channel: Channel, onClick: () -> Unit) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(horizontal = 20.dp, vertical = 12.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Box(
+            modifier = Modifier
+                .size(36.dp)
+                .clip(CircleShape)
+                .border(0.5.dp, MaterialTheme.colorScheme.outlineVariant, CircleShape),
+            contentAlignment = Alignment.Center
+        ) {
+            Text(
+                channel.name.take(1).uppercase(), 
+                style = MaterialTheme.typography.labelSmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+        Spacer(Modifier.width(12.dp))
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                text = channel.name, 
+                style = MaterialTheme.typography.bodyLarge,
+                color = MaterialTheme.colorScheme.onSurface
+            )
+            if (channel.description != null) {
+                Text(
+                    text = channel.description,
+                    style = MaterialTheme.typography.labelSmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f)
+                )
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MessageScreen(channelId: Long, viewModel: ChatViewModel, onBack: () -> Unit) {
+    val messages by viewModel.messages.collectAsState()
+    val currentUserId by viewModel.currentUserId.collectAsState()
+    val channelError by viewModel.channelError.collectAsState()
+    var input by remember { mutableStateOf("") }
+    val listState = rememberLazyListState()
+    val snackbarHostState = remember { SnackbarHostState() }
+
+    LaunchedEffect(messages.size) {
+        if (messages.isNotEmpty()) {
+            listState.animateScrollToItem(messages.size - 1)
+        }
+    }
+
+    LaunchedEffect(channelError) {
+        channelError?.let {
+            snackbarHostState.showSnackbar(it)
+            viewModel.clearChannelError()
+        }
+    }
+
+    Scaffold(
+        containerColor = MaterialTheme.colorScheme.background,
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+        topBar = {
+            TopAppBar(
+                title = { 
+                    Column {
+                        Text(
+                            "channel $channelId", 
+                            style = MaterialTheme.typography.bodyLarge,
+                            color = MaterialTheme.colorScheme.onSurface
+                        )
+                        Text(
+                            "online",
+                            style = MaterialTheme.typography.labelSmall,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f)
+                        )
+                    }
+                },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(
+                            Icons.AutoMirrored.Filled.ArrowBack, 
+                            contentDescription = "Back",
+                            tint = MaterialTheme.colorScheme.onSurfaceVariant
+                        )
+                    }
+                },
+                windowInsets = androidx.compose.foundation.layout.WindowInsets(0, 0, 0, 0),
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = Color.Transparent
+                )
+            )
+        }
+    ) { padding ->
+        Column(modifier = Modifier.padding(padding).fillMaxSize()) {
+            LazyColumn(
+                state = listState,
+                modifier = Modifier.weight(1f).padding(horizontal = 16.dp),
+                verticalArrangement = Arrangement.spacedBy(10.dp)
+            ) {
+                items(messages) { message ->
+                    MessageBubble(message, currentUserId)
+                }
+                item { Spacer(Modifier.height(10.dp)) }
+            }
+
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(IntrinsicSize.Min)
+                    .padding(horizontal = 14.dp, vertical = 12.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                IconButton(
+                    onClick = { /* add action */ },
+                    modifier = Modifier
+                        .size(36.dp)
+                        .border(0.5.dp, MaterialTheme.colorScheme.outlineVariant, CircleShape)
+                ) {
+                    Icon(
+                        Icons.Default.Add,
+                        contentDescription = "Add",
+                        modifier = Modifier.size(16.dp),
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+                
+                Spacer(Modifier.width(8.dp))
+                
+                Box(
+                    modifier = Modifier
+                        .weight(1f)
+                        .fillMaxHeight()
+                        .background(MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f), RoundedCornerShape(20.dp))
+                        .border(0.5.dp, MaterialTheme.colorScheme.outlineVariant, RoundedCornerShape(20.dp))
+                        .padding(horizontal = 14.dp),
+                    contentAlignment = Alignment.CenterStart
+                ) {
+                    if (input.isEmpty()) {
+                        Text(
+                            "message",
+                            style = MaterialTheme.typography.bodyLarge,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f)
+                        )
+                    }
+                    BasicTextField(
+                        value = input,
+                        onValueChange = { input = it },
+                        modifier = Modifier.fillMaxWidth(),
+                        textStyle = MaterialTheme.typography.bodyLarge.copy(color = MaterialTheme.colorScheme.onSurface),
+                        cursorBrush = SolidColor(MaterialTheme.colorScheme.primary),
+                        keyboardOptions = KeyboardOptions(imeAction = ImeAction.Send),
+                        keyboardActions = KeyboardActions(onSend = {
+                            if (input.isNotBlank()) {
+                                viewModel.sendMessage(input)
+                                input = ""
+                            }
+                        })
+                    )
+                }
+                
+                if (input.isNotBlank()) {
+                    Spacer(Modifier.width(8.dp))
+                    IconButton(
+                        onClick = {
+                            viewModel.sendMessage(input)
+                            input = ""
+                        },
+                        modifier = Modifier
+                            .size(36.dp)
+                            .background(MaterialTheme.colorScheme.primary, CircleShape)
+                    ) {
+                        Icon(
+                            Icons.Default.Send,
+                            contentDescription = "Send",
+                            modifier = Modifier.size(16.dp),
+                            tint = MaterialTheme.colorScheme.onPrimary
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalTime::class)
+@Composable
+fun MessageBubble(message: Message, currentUserId: Int?) {
+    val time = remember(message.timestamp) {
+        DateFormat.getTimeInstance(DateFormat.SHORT)
+            .format(Date(message.timestamp.toEpochMilliseconds()))
+            .lowercase()
+    }
+    
+    val isMe = currentUserId != null && message.user_id == currentUserId
+
+    Column(
+        modifier = Modifier.fillMaxWidth(),
+        horizontalAlignment = if (isMe) Alignment.End else Alignment.Start
+    ) {
+        Surface(
+            color = if (isMe) MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f) else MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.2f),
+            shape = RoundedCornerShape(
+                topStart = 14.dp,
+                topEnd = 14.dp,
+                bottomStart = if (isMe) 14.dp else 4.dp,
+                bottomEnd = if (isMe) 4.dp else 14.dp
+            ),
+            border = border(0.5.dp, MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f))
+        ) {
+            Column(modifier = Modifier.padding(horizontal = 11.dp, vertical = 8.dp)) {
+                if (!isMe) {
+                    Text(
+                        message.display_name?.lowercase() ?: "unknown",
+                        style = MaterialTheme.typography.labelSmall,
+                        color = MaterialTheme.colorScheme.primary.copy(alpha = 0.7f),
+                        modifier = Modifier.padding(bottom = 2.dp)
+                    )
+                }
+                Text(
+                    text = message.text,
+                    style = MaterialTheme.typography.bodyLarge,
+                    color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.9f)
+                )
+            }
+        }
+        Text(
+            text = time,
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.3f),
+            modifier = Modifier.padding(horizontal = 4.dp, vertical = 2.dp)
+        )
+    }
+}
+
+private fun border(width: Dp, color: Color) =
+    BorderStroke(width, color)
@@ -0,0 +1,52 @@
+package dev.zxq5.chatapp.android.feature.contacts
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ContactsScreen() {
+    Scaffold(
+        containerColor = MaterialTheme.colorScheme.background,
+        topBar = {
+            TopAppBar(
+                title = { 
+                    Text(
+                        "contacts", 
+                        style = MaterialTheme.typography.titleLarge,
+                        color = MaterialTheme.colorScheme.onSurface
+                    ) 
+                },
+                windowInsets = androidx.compose.foundation.layout.WindowInsets(0, 0, 0, 0),
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = Color.Transparent,
+                    titleContentColor = MaterialTheme.colorScheme.onSurface
+                )
+            )
+        }
+    ) { padding ->
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding),
+            contentAlignment = Alignment.Center
+        ) {
+            Text(
+                text = "Contacts coming soon",
+                style = MaterialTheme.typography.bodyLarge,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+    }
+}
@@ -0,0 +1,157 @@
+package dev.zxq5.chatapp.android.feature.settings
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dev.zxq5.chatapp.android.api.model.QrResponse
+import dev.zxq5.chatapp.android.core.error.ApiResult
+import dev.zxq5.chatapp.android.data.repository.SettingsRepository
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+class SettingsViewModel(private val settingsRepository: SettingsRepository) : ViewModel() {
+
+    private val _is2faEnabled = MutableStateFlow(false)
+    val is2faEnabled: StateFlow<Boolean> = _is2faEnabled
+
+    private val _totpQr = MutableStateFlow<QrResponse?>(null)
+    val totpQr: StateFlow<QrResponse?> = _totpQr
+
+    private val _totpError = MutableStateFlow<String?>(null)
+    val totpError: StateFlow<String?> = _totpError
+
+    private val _settingsError = MutableStateFlow<String?>(null)
+    val settingsError: StateFlow<String?> = _settingsError
+
+    private val _isSuccessState = MutableStateFlow<Map<String, Boolean>>(emptyMap())
+    val isSuccessState: StateFlow<Map<String, Boolean>> = _isSuccessState
+
+    fun clearMessages() {
+        _settingsError.value = null
+        _totpError.value = null
+    }
+
+    private fun triggerSuccess(key: String) {
+        viewModelScope.launch {
+            _isSuccessState.value = _isSuccessState.value + (key to true)
+            delay(5000)
+            _isSuccessState.value = _isSuccessState.value + (key to false)
+        }
+    }
+
+    fun fetchTotpStatus() {
+        viewModelScope.launch {
+            when (val result = settingsRepository.getTotpStatus()) {
+                is ApiResult.Success -> _is2faEnabled.value = result.data.isEnabled
+                else -> {}
+            }
+        }
+    }
+
+    fun fetchTotpQr(password: String) {
+        viewModelScope.launch {
+            _totpError.value = null
+            when (val result = settingsRepository.getTotpQr(password)) {
+                is ApiResult.Success -> {
+                    _totpQr.value = result.data
+                }
+                is ApiResult.HttpError -> {
+                    _totpError.value = result.message
+                }
+                is ApiResult.NetworkError -> {
+                    _totpError.value = "Network error: ${result.message}"
+                }
+            }
+        }
+    }
+
+    fun confirmTotp(code: String) {
+        viewModelScope.launch {
+            _totpError.value = null
+            when (val result = settingsRepository.confirmTotp(code)) {
+                is ApiResult.Success -> {
+                    _is2faEnabled.value = true
+                    _totpQr.value = null
+                    triggerSuccess("2fa")
+                }
+                is ApiResult.HttpError -> {
+                    _totpError.value = result.message
+                }
+                is ApiResult.NetworkError -> {
+                    _totpError.value = "Network error: ${result.message}"
+                }
+            }
+        }
+    }
+
+    fun disableTotp(password: String, totpCode: String) {
+        viewModelScope.launch {
+            _totpError.value = null
+            when (val result = settingsRepository.disableTotp(password, totpCode)) {
+                is ApiResult.Success -> {
+                    _is2faEnabled.value = false
+                    triggerSuccess("2fa")
+                }
+                is ApiResult.HttpError -> _totpError.value = result.message
+                is ApiResult.NetworkError -> _totpError.value = "Network error: ${result.message}"
+            }
+        }
+    }
+
+    fun changePassword(old: String, new: String) {
+        viewModelScope.launch {
+            clearMessages()
+            when (val result = settingsRepository.changePassword(old, new)) {
+                is ApiResult.Success -> {
+                    triggerSuccess("password")
+                }
+                is ApiResult.HttpError -> _settingsError.value = result.message
+                is ApiResult.NetworkError -> _settingsError.value = "Network error: ${result.message}"
+            }
+        }
+    }
+
+    fun updateDisplayName(name: String?) {
+        viewModelScope.launch {
+            clearMessages()
+            if (settingsRepository.updateDisplayName(name)) {
+                triggerSuccess("display_name")
+            } else {
+                _settingsError.value = "Failed to update display name"
+            }
+        }
+    }
+
+    fun updateUsername(username: String) {
+        viewModelScope.launch {
+            clearMessages()
+            when (val result = settingsRepository.updateUsername(username)) {
+                is ApiResult.Success -> {
+                    triggerSuccess("username")
+                }
+                is ApiResult.HttpError -> _settingsError.value = result.message
+                is ApiResult.NetworkError -> _settingsError.value = "Network error: ${result.message}"
+            }
+        }
+    }
+
+    fun deleteAccount(password: String, totpCode: String?, onLogout: () -> Unit) {
+        viewModelScope.launch {
+            clearMessages()
+            when (val result = settingsRepository.deleteAccount(password, totpCode)) {
+                is ApiResult.Success -> {
+                    _isSuccessState.value = _isSuccessState.value + ("delete" to true)
+                    delay(3000)
+                    onLogout()
+                }
+                is ApiResult.HttpError -> _settingsError.value = result.message
+                is ApiResult.NetworkError -> _settingsError.value = "Network error: ${result.message}"
+            }
+        }
+    }
+
+    fun logout() {
+        settingsRepository.logout()
+    }
+}
@@ -0,0 +1,525 @@
+package dev.zxq5.chatapp.android.feature.settings
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+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.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.KeyboardArrowDown
+import androidx.compose.material.icons.filled.KeyboardArrowUp
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.OutlinedTextFieldDefaults
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+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.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.asImageBitmap
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import android.util.Base64
+import android.graphics.BitmapFactory
+import androidx.compose.ui.text.style.TextAlign
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SettingsScreen(
+    viewModel: SettingsViewModel,
+    onLogout: () -> Unit
+) {
+    val is2faEnabled by viewModel.is2faEnabled.collectAsState()
+    val totpQr by viewModel.totpQr.collectAsState()
+    val settingsError by viewModel.settingsError.collectAsState()
+    val isSuccessState by viewModel.isSuccessState.collectAsState()
+    val totpError by viewModel.totpError.collectAsState()
+    
+    LaunchedEffect(Unit) {
+        viewModel.clearMessages()
+        viewModel.fetchTotpStatus()
+    }
+
+    Scaffold(
+        containerColor = MaterialTheme.colorScheme.background,
+        topBar = {
+            TopAppBar(
+                title = { 
+                    Text(
+                        "settings", 
+                        style = MaterialTheme.typography.titleLarge,
+                        color = MaterialTheme.colorScheme.onSurface
+                    ) 
+                },
+                windowInsets = androidx.compose.foundation.layout.WindowInsets(0, 0, 0, 0),
+                colors = TopAppBarDefaults.topAppBarColors(containerColor = Color.Transparent)
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .padding(padding)
+                .fillMaxSize()
+                .verticalScroll(rememberScrollState())
+                .padding(20.dp),
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            SettingsSection(title = "profile") {
+                var displayName by remember { mutableStateOf("") }
+                var username by remember { mutableStateOf("") }
+
+                SettingsField(
+                    label = "display name",
+                    value = displayName,
+                    onValueChange = { displayName = it },
+                    buttonLabel = "update",
+                    isSuccess = isSuccessState["display_name"] == true,
+                    onClick = { viewModel.updateDisplayName(displayName.ifBlank { null }) }
+                )
+
+                Spacer(Modifier.height(16.dp))
+
+                SettingsField(
+                    label = "username",
+                    value = username,
+                    onValueChange = { username = it },
+                    buttonLabel = "update",
+                    isSuccess = isSuccessState["username"] == true,
+                    onClick = { if (username.isNotBlank()) viewModel.updateUsername(username) }
+                )
+            }
+
+            SettingsSection(title = "security") {
+                var oldPassword by remember { mutableStateOf("") }
+                var newPassword by remember { mutableStateOf("") }
+
+                Text("change password", style = MaterialTheme.typography.bodyMedium, modifier = Modifier.padding(bottom = 8.dp))
+                OutlinedTextField(
+                    value = oldPassword,
+                    onValueChange = { oldPassword = it },
+                    label = { Text("old password") },
+                    visualTransformation = PasswordVisualTransformation(),
+                    modifier = Modifier.fillMaxWidth(),
+                    shape = RoundedCornerShape(8.dp)
+                )
+                Spacer(Modifier.height(8.dp))
+                OutlinedTextField(
+                    value = newPassword,
+                    onValueChange = { newPassword = it },
+                    label = { Text("new password") },
+                    visualTransformation = PasswordVisualTransformation(),
+                    modifier = Modifier.fillMaxWidth(),
+                    shape = RoundedCornerShape(8.dp)
+                )
+                Spacer(Modifier.height(12.dp))
+                SuccessButton(
+                    onClick = { 
+                        viewModel.changePassword(oldPassword, newPassword)
+                        oldPassword = ""
+                        newPassword = ""
+                    },
+                    label = "update password",
+                    isSuccess = isSuccessState["password"] == true,
+                    enabled = oldPassword.isNotEmpty() && newPassword.isNotEmpty(),
+                    modifier = Modifier.fillMaxWidth()
+                )
+
+                HorizontalDivider(modifier = Modifier.padding(vertical = 16.dp), color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.2f))
+
+                var show2faSetup by remember { mutableStateOf(false) }
+                var setupPassword by remember { mutableStateOf("") }
+                
+                var show2faDisable by remember { mutableStateOf(false) }
+                var disablePassword by remember { mutableStateOf("") }
+                var disableCode by remember { mutableStateOf("") }
+
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Column(modifier = Modifier.weight(1f)) {
+                        Text("two-factor authentication", style = MaterialTheme.typography.bodyLarge)
+                        Text(
+                            if (is2faEnabled) "enabled" else "disabled",
+                            style = MaterialTheme.typography.labelSmall,
+                            color = if (is2faEnabled) Color.Green.copy(alpha = 0.7f) else MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f)
+                        )
+                    }
+                    
+                    if (!is2faEnabled) {
+                        Button(
+                            onClick = { 
+                                show2faSetup = !show2faSetup
+                                if (!show2faSetup) setupPassword = ""
+                            },
+                            shape = RoundedCornerShape(8.dp),
+                            colors = ButtonDefaults.buttonColors(containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f), contentColor = MaterialTheme.colorScheme.onSurface)
+                        ) {
+                            Text(if (show2faSetup) "cancel" else "setup", style = MaterialTheme.typography.labelSmall)
+                        }
+                    } else {
+                        SuccessButton(
+                            onClick = { 
+                                show2faDisable = !show2faDisable 
+                                if (!show2faDisable) {
+                                    disablePassword = ""
+                                    disableCode = ""
+                                }
+                            },
+                            label = if (show2faDisable) "cancel" else "disable",
+                            isSuccess = isSuccessState["2fa"] == true,
+                            baseColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.1f),
+                            contentColor = Color.Red,
+                            successColor = Color.Red
+                        )
+                    }
+                }
+
+                if (show2faSetup && !is2faEnabled) {
+                    Spacer(Modifier.height(16.dp))
+                    if (totpQr == null) {
+                        OutlinedTextField(
+                            value = setupPassword,
+                            onValueChange = { setupPassword = it },
+                            label = { Text("confirm password to setup") },
+                            visualTransformation = PasswordVisualTransformation(),
+                            modifier = Modifier.fillMaxWidth(),
+                            shape = RoundedCornerShape(8.dp)
+                        )
+                        Spacer(Modifier.height(8.dp))
+                        Button(
+                            onClick = { viewModel.fetchTotpQr(setupPassword) },
+                            enabled = setupPassword.isNotBlank(),
+                            modifier = Modifier.fillMaxWidth()
+                        ) {
+                            Text("get qr code")
+                        }
+                    } else {
+                        TwoFactorSetup(
+                            qrCodeBase64 = totpQr?.qr_code,
+                            error = totpError,
+                            onConfirm = { viewModel.confirmTotp(it) }
+                        )
+                    }
+                }
+
+                if (show2faDisable && is2faEnabled) {
+                    Spacer(Modifier.height(16.dp))
+                    OutlinedTextField(
+                        value = disablePassword,
+                        onValueChange = { disablePassword = it },
+                        label = { Text("password") },
+                        visualTransformation = PasswordVisualTransformation(),
+                        modifier = Modifier.fillMaxWidth(),
+                        shape = RoundedCornerShape(8.dp)
+                    )
+                    Spacer(Modifier.height(8.dp))
+                    OutlinedTextField(
+                        value = disableCode,
+                        onValueChange = { if (it.length <= 6) disableCode = it },
+                        label = { Text("2fa code") },
+                        modifier = Modifier.fillMaxWidth(),
+                        shape = RoundedCornerShape(8.dp),
+                        keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number)
+                    )
+                    Spacer(Modifier.height(8.dp))
+                    SuccessButton(
+                        onClick = { viewModel.disableTotp(disablePassword, disableCode) },
+                        label = "confirm disable",
+                        isSuccess = isSuccessState["2fa"] == true,
+                        baseColor = Color.Red,
+                        enabled = disablePassword.isNotBlank() && disableCode.length == 6,
+                        modifier = Modifier.fillMaxWidth()
+                    )
+                }
+                
+                if (totpError != null && !show2faSetup && !show2faDisable) {
+                     Text(totpError!!.lowercase(), color = Color.Red, style = MaterialTheme.typography.labelSmall, modifier = Modifier.padding(top = 8.dp))
+                }
+            }
+
+            SettingsSection(title = "danger zone", color = Color.Red.copy(alpha = 0.7f)) {
+                var deletePassword by remember { mutableStateOf("") }
+                var deleteTotp by remember { mutableStateOf("") }
+                var showDeleteConfirm by remember { mutableStateOf(false) }
+
+                if (!showDeleteConfirm) {
+                    Button(
+                        onClick = { showDeleteConfirm = true },
+                        modifier = Modifier.fillMaxWidth(),
+                        shape = RoundedCornerShape(8.dp),
+                        colors = ButtonDefaults.buttonColors(containerColor = Color.Red.copy(alpha = 0.1f), contentColor = Color.Red)
+                    ) {
+                        Text("delete account")
+                    }
+                } else {
+                    Text("confirm account deletion", color = Color.Red, style = MaterialTheme.typography.bodyMedium)
+                    Spacer(Modifier.height(8.dp))
+                    OutlinedTextField(
+                        value = deletePassword,
+                        onValueChange = { deletePassword = it },
+                        label = { Text("password") },
+                        visualTransformation = PasswordVisualTransformation(),
+                        modifier = Modifier.fillMaxWidth(),
+                        shape = RoundedCornerShape(8.dp)
+                    )
+                    if (is2faEnabled) {
+                        Spacer(Modifier.height(8.dp))
+                        OutlinedTextField(
+                            value = deleteTotp,
+                            onValueChange = { if (it.length <= 6) deleteTotp = it },
+                            label = { Text("2fa code") },
+                            modifier = Modifier.fillMaxWidth(),
+                            shape = RoundedCornerShape(8.dp),
+                            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number)
+                        )
+                    }
+                    Spacer(Modifier.height(12.dp))
+                    Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                        Button(
+                            onClick = { showDeleteConfirm = false },
+                            modifier = Modifier.weight(1f),
+                            shape = RoundedCornerShape(8.dp),
+                            colors = ButtonDefaults.buttonColors(containerColor = MaterialTheme.colorScheme.surfaceVariant)
+                        ) {
+                            Text("cancel")
+                        }
+                        SuccessButton(
+                            onClick = { viewModel.deleteAccount(
+                                deletePassword, deleteTotp.ifBlank { null },
+                                onLogout
+                            ) },
+                            label = "delete forever",
+                            isSuccess = isSuccessState["delete"] == true,
+                            baseColor = Color.Red.copy(alpha = 0.1f),
+                            contentColor = Color.Red,
+                            successColor = Color.Red,
+                            modifier = Modifier.weight(1f),
+                            enabled = deletePassword.isNotEmpty() && (!is2faEnabled || deleteTotp.length == 6)
+                        )
+                    }
+                }
+            }
+
+            SettingsSection(title = "session") {
+                Spacer(Modifier.height(16.dp))
+                Button(
+                    onClick = onLogout,
+                    modifier = Modifier.fillMaxWidth(),
+                    shape = RoundedCornerShape(8.dp),
+                    colors = ButtonDefaults.buttonColors(containerColor = Color.White, contentColor = Color.Black)
+                ) {
+                    Text("logout")
+                }
+            }
+
+            if (settingsError != null) {
+                Text(settingsError!!, color = Color.Red, style = MaterialTheme.typography.bodySmall, modifier = Modifier.padding(top = 8.dp))
+            }
+        }
+    }
+}
+
+@Composable
+fun SettingsSection(
+    title: String, 
+    color: Color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f),
+    content: @Composable () -> Unit
+) {
+    var expanded by remember { mutableStateOf(true) }
+    
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .border(0.5.dp, MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.2f), RoundedCornerShape(12.dp))
+            .clip(RoundedCornerShape(12.dp))
+            .background(MaterialTheme.colorScheme.surface.copy(alpha = 0.5f))
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .clickable { expanded = !expanded }
+                .padding(16.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Text(title.lowercase(), style = MaterialTheme.typography.labelSmall, color = color)
+            Icon(
+                if (expanded) Icons.Default.KeyboardArrowUp else Icons.Default.KeyboardArrowDown,
+                contentDescription = null,
+                tint = color,
+                modifier = Modifier.size(16.dp)
+            )
+        }
+        
+        AnimatedVisibility(visible = expanded) {
+            Column(modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp).padding(bottom = 8.dp)) {
+                content()
+            }
+        }
+    }
+}
+
+@Composable
+fun SettingsField(
+    label: String,
+    value: String,
+    onValueChange: (String) -> Unit,
+    buttonLabel: String,
+    isSuccess: Boolean,
+    onClick: () -> Unit
+) {
+    Column {
+        OutlinedTextField(
+            value = value,
+            onValueChange = onValueChange,
+            label = { Text(label) },
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(8.dp),
+            colors = OutlinedTextFieldDefaults.colors(
+                focusedBorderColor = if (isSuccess) Color.Green else MaterialTheme.colorScheme.primary
+            )
+        )
+        Spacer(Modifier.height(8.dp))
+        SuccessButton(
+            onClick = onClick,
+            label = buttonLabel,
+            isSuccess = isSuccess,
+            enabled = value.isNotBlank(),
+            modifier = Modifier.fillMaxWidth()
+        )
+    }
+}
+
+@Composable
+fun SuccessButton(
+    onClick: () -> Unit,
+    label: String,
+    isSuccess: Boolean,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    baseColor: Color = MaterialTheme.colorScheme.primary,
+    contentColor: Color = MaterialTheme.colorScheme.onPrimary,
+    successColor: Color = Color.Green.copy(alpha = 0.8f)
+) {
+    val backgroundColor by animateColorAsState(
+        targetValue = if (isSuccess) successColor else baseColor,
+        animationSpec = tween(500)
+    )
+
+    Button(
+        onClick = onClick,
+        modifier = modifier,
+        enabled = enabled,
+        shape = RoundedCornerShape(8.dp),
+        colors = ButtonDefaults.buttonColors(
+            containerColor = backgroundColor,
+            contentColor = if (isSuccess) Color.White else contentColor
+        )
+    ) {
+        Text(if (isSuccess) "success" else label)
+    }
+}
+
+@Composable
+fun TwoFactorSetup(
+    qrCodeBase64: String?,
+    error: String?,
+    onConfirm: (String) -> Unit
+) {
+    var code by remember { mutableStateOf("") }
+    
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .border(0.5.dp, MaterialTheme.colorScheme.outlineVariant, RoundedCornerShape(12.dp))
+            .background(MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.1f), RoundedCornerShape(12.dp))
+            .padding(20.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        if (qrCodeBase64 != null) {
+            val bitmap = remember(qrCodeBase64) {
+                val base64Data = qrCodeBase64.substringAfter("base64,")
+                val decodedString = Base64.decode(base64Data, Base64.DEFAULT)
+                BitmapFactory.decodeByteArray(decodedString, 0, decodedString.size)
+            }
+            
+            bitmap?.let {
+                Image(
+                    bitmap = it.asImageBitmap(),
+                    contentDescription = "QR Code",
+                    modifier = Modifier
+                        .size(180.dp)
+                        .clip(RoundedCornerShape(8.dp))
+                        .background(Color.White)
+                        .padding(8.dp)
+                )
+            }
+        } else {
+            CircularProgressIndicator(modifier = Modifier.size(40.dp))
+        }
+        
+        Spacer(Modifier.height(24.dp))
+        
+        OutlinedTextField(
+            value = code,
+            onValueChange = { if (it.length <= 6) code = it },
+            placeholder = { Text("000000") },
+            modifier = Modifier.width(150.dp),
+            textStyle = MaterialTheme.typography.headlineMedium.copy(textAlign = TextAlign.Center),
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            shape = RoundedCornerShape(8.dp)
+        )
+
+        if (error != null) {
+            Text(error.lowercase(), color = Color.Red, style = MaterialTheme.typography.labelSmall, modifier = Modifier.padding(top = 8.dp))
+        }
+        
+        Spacer(Modifier.height(24.dp))
+        
+        Button(
+            onClick = { if (code.length == 6) onConfirm(code) },
+            enabled = code.length == 6,
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(8.dp)
+        ) {
+            Text("confirm code")
+        }
+    }
+}
@@ -0,0 +1,9 @@
+package dev.zxq5.chatapp.android.model
+
+sealed class LoginState {
+    object Idle : LoginState()
+    object Loading : LoginState()
+    object Success : LoginState()
+    object TwoFactorRequired : LoginState()
+    data class Error(val message: String) : LoginState()
+}
@@ -0,0 +1,45 @@
+package dev.zxq5.chatapp.android.ui.components
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.OutlinedTextFieldDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun TextField(
+    value: String,
+    onValueChange: (String) -> Unit,
+    label: String,
+    isPassword: Boolean = false
+) {
+    OutlinedTextField(
+        value = value,
+        onValueChange = onValueChange,
+        placeholder = {
+            Text(
+                label,
+                style = MaterialTheme.typography.bodyLarge,
+                color = MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.5f)
+            )
+        },
+        modifier = Modifier.fillMaxWidth(),
+        singleLine = true,
+        textStyle = MaterialTheme.typography.bodyLarge,
+        visualTransformation = if (isPassword) PasswordVisualTransformation() else androidx.compose.ui.text.input.VisualTransformation.None,
+        shape = RoundedCornerShape(8.dp),
+        colors = OutlinedTextFieldDefaults.colors(
+            focusedContainerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+            unfocusedContainerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+            focusedBorderColor = MaterialTheme.colorScheme.outlineVariant,
+            unfocusedBorderColor = MaterialTheme.colorScheme.outline,
+            focusedTextColor = MaterialTheme.colorScheme.onSurface,
+            unfocusedTextColor = MaterialTheme.colorScheme.onSurface
+        )
+    )
+}
@@ -0,0 +1,20 @@
+package dev.zxq5.chatapp.android.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Black = Color(0xFF0A0A0A)
+val DarkGrey = Color(0xFF0D0D0D)
+val Grey = Color(0xFF141414)
+val LightGrey = Color(0xFF1E1E1E)
+val White = Color(0xFFE8E8E8)
+
+val TextPrimary = Color(0xFFE8E8E8)
+val TextSecondary = Color(0xFF888888)
+val TextTertiary = Color(0xFF555555)
+val TextMuted = Color(0xFF333333)
+
+val Border = Color(0xFF1A1A1A)
+val BorderLight = Color(0xFF222222)
+
+val Red = Color(0xFFFF0000)
+val Surface = Color(0xFF111111)
@@ -0,0 +1,48 @@
+package dev.zxq5.chatapp.android.ui.theme
+
+import android.app.Activity
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+    primary = White,
+    onPrimary = Black,
+    secondary = LightGrey,
+    onSecondary = White,
+    tertiary = Grey,
+    background = Black,
+    onBackground = White,
+    surface = Black,
+    onSurface = White,
+    surfaceVariant = Grey,
+    onSurfaceVariant = TextSecondary,
+    outline = Border,
+    outlineVariant = BorderLight
+)
+
+@Composable
+fun ChatappTheme(
+    darkTheme: Boolean = true, // Force dark theme for Nothing style
+    content: @Composable () -> Unit
+) {
+    val colorScheme = DarkColorScheme
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = Black.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = false
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
@@ -0,0 +1,37 @@
+package dev.zxq5.chatapp.android.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.FontWeight
+import androidx.compose.ui.unit.sp
+
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Monospace,
+        fontWeight = FontWeight.Normal,
+        fontSize = 14.sp,
+        lineHeight = 20.sp,
+        letterSpacing = 0.02.sp
+    ),
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Monospace,
+        fontWeight = FontWeight.Medium,
+        fontSize = 20.sp,
+        lineHeight = 28.sp,
+        letterSpacing = (-0.02).sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Monospace,
+        fontWeight = FontWeight.Medium,
+        fontSize = 10.sp,
+        lineHeight = 14.sp,
+        letterSpacing = 0.05.sp
+    ),
+    headlineMedium = TextStyle(
+        fontFamily = FontFamily.Monospace,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        letterSpacing = (-0.02).sp
+    )
+)
@@ -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:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                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="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:autoMirrored="true" android:height="24dp" android:tint="#FFFFFF" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM18,14L6,14v-2h12v2zM18,11L6,11L6,9h12v2zM18,8L6,8L6,6h12v2z"/>
+    
+</vector>
@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
@@ -0,0 +1,765 @@
+<style>
+* { box-sizing: border-box; margin: 0; padding: 0; }
+body { font-family: 'Courier New', monospace; }
+
+.phones {
+  display: flex;
+  gap: 24px;
+  justify-content: center;
+  padding: 24px 0;
+  flex-wrap: wrap;
+}
+
+.phone {
+  width: 280px;
+  background: #0a0a0a;
+  border-radius: 36px;
+  border: 1px solid #222;
+  overflow: hidden;
+  flex-shrink: 0;
+}
+
+.phone-inner {
+  padding: 0;
+  height: 560px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.status-bar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 12px 20px 4px;
+  font-size: 10px;
+  color: #555;
+  letter-spacing: 0.05em;
+}
+
+.screen-label {
+  font-size: 9px;
+  letter-spacing: 0.15em;
+  color: #333;
+  text-transform: uppercase;
+  text-align: center;
+  padding: 0 0 8px;
+}
+
+/* ── SCREEN 1: contacts list ── */
+.contacts-header {
+  padding: 8px 20px 12px;
+  border-bottom: 0.5px solid #1a1a1a;
+}
+.contacts-title {
+  font-size: 22px;
+  font-weight: 400;
+  color: #e8e8e8;
+  letter-spacing: -0.02em;
+}
+.contacts-sub {
+  font-size: 11px;
+  color: #444;
+  margin-top: 2px;
+  letter-spacing: 0.05em;
+}
+
+.search-row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 20px;
+  border-bottom: 0.5px solid #161616;
+}
+.search-box {
+  flex: 1;
+  background: #111;
+  border: 0.5px solid #222;
+  border-radius: 6px;
+  padding: 7px 10px;
+  font-size: 12px;
+  color: #444;
+  font-family: 'Courier New', monospace;
+  letter-spacing: 0.03em;
+}
+
+.contact-item {
+  display: flex;
+  align-items: center;
+  padding: 11px 20px;
+  border-bottom: 0.5px solid #111;
+  cursor: pointer;
+  gap: 12px;
+}
+.contact-item:hover { background: #0f0f0f; }
+
+.avatar {
+  width: 36px;
+  height: 36px;
+  border-radius: 50%;
+  border: 0.5px solid #2a2a2a;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 11px;
+  color: #666;
+  flex-shrink: 0;
+  letter-spacing: 0.05em;
+}
+
+.contact-info { flex: 1; min-width: 0; }
+.contact-name {
+  font-size: 13px;
+  color: #d0d0d0;
+  letter-spacing: 0.02em;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.contact-preview {
+  font-size: 11px;
+  color: #3a3a3a;
+  margin-top: 2px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  letter-spacing: 0.02em;
+}
+
+.contact-meta {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+  gap: 4px;
+}
+.contact-time { font-size: 10px; color: #333; letter-spacing: 0.03em; }
+.unread-dot {
+  width: 6px; height: 6px;
+  border-radius: 50%;
+  background: #e8e8e8;
+}
+
+.walkie-row {
+  display: flex;
+  align-items: center;
+  padding: 8px 20px;
+  background: #0d0d0d;
+  border-bottom: 0.5px solid #1a1a1a;
+  gap: 10px;
+}
+.walkie-indicator {
+  width: 6px; height: 6px;
+  border-radius: 50%;
+  background: #3a3a3a;
+  flex-shrink: 0;
+}
+.walkie-indicator.active { background: #e8e8e8; }
+.walkie-label { font-size: 10px; color: #444; letter-spacing: 0.08em; flex: 1; }
+.walkie-btn {
+  font-size: 10px;
+  color: #555;
+  border: 0.5px solid #2a2a2a;
+  border-radius: 4px;
+  padding: 3px 8px;
+  letter-spacing: 0.05em;
+  cursor: pointer;
+  background: transparent;
+}
+
+.bottom-nav {
+  margin-top: auto;
+  display: flex;
+  border-top: 0.5px solid #161616;
+  padding: 10px 0 14px;
+}
+.nav-item {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  cursor: pointer;
+}
+.nav-icon {
+  width: 20px; height: 20px;
+  display: flex; align-items: center; justify-content: center;
+}
+.nav-label { font-size: 9px; color: #333; letter-spacing: 0.06em; }
+.nav-item.active .nav-label { color: #e8e8e8; }
+
+/* ── SCREEN 2: chat ── */
+.chat-header {
+  display: flex;
+  align-items: center;
+  padding: 10px 16px 10px;
+  border-bottom: 0.5px solid #1a1a1a;
+  gap: 10px;
+}
+.back-btn {
+  font-size: 16px;
+  color: #555;
+  cursor: pointer;
+  padding: 2px 4px;
+}
+.chat-header-info { flex: 1; }
+.chat-name { font-size: 14px; color: #d8d8d8; letter-spacing: 0.02em; }
+.chat-status { font-size: 10px; color: #3a3a3a; letter-spacing: 0.04em; margin-top: 1px; }
+.chat-actions { display: flex; gap: 14px; }
+.action-icon { font-size: 14px; color: #3a3a3a; cursor: pointer; }
+
+.chat-body {
+  flex: 1;
+  overflow: hidden;
+  padding: 12px 16px;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.msg-row { display: flex; flex-direction: column; gap: 2px; }
+.msg-row.me { align-items: flex-end; }
+.msg-row.them { align-items: flex-start; }
+
+.msg-bubble {
+  max-width: 75%;
+  padding: 8px 11px;
+  border-radius: 14px;
+  font-size: 12px;
+  line-height: 1.45;
+  letter-spacing: 0.02em;
+}
+.msg-row.them .msg-bubble {
+  background: #141414;
+  color: #c0c0c0;
+  border-bottom-left-radius: 4px;
+  border: 0.5px solid #1e1e1e;
+}
+.msg-row.me .msg-bubble {
+  background: #1e1e1e;
+  color: #d0d0d0;
+  border-bottom-right-radius: 4px;
+  border: 0.5px solid #2a2a2a;
+}
+.msg-time { font-size: 9px; color: #2e2e2e; letter-spacing: 0.04em; padding: 0 4px; }
+
+.reaction-row {
+  display: flex;
+  gap: 4px;
+  padding: 0 4px;
+}
+.reaction-pill {
+  background: #111;
+  border: 0.5px solid #222;
+  border-radius: 10px;
+  padding: 2px 7px;
+  font-size: 10px;
+  color: #555;
+  letter-spacing: 0.03em;
+}
+
+.poll-card {
+  background: #111;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 10px;
+  padding: 10px 12px;
+  max-width: 80%;
+}
+.poll-q { font-size: 11px; color: #888; letter-spacing: 0.04em; margin-bottom: 8px; }
+.poll-option {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 6px;
+}
+.poll-bar-bg {
+  flex: 1;
+  height: 3px;
+  background: #1a1a1a;
+  border-radius: 2px;
+  overflow: hidden;
+}
+.poll-bar-fill {
+  height: 100%;
+  background: #e8e8e8;
+  border-radius: 2px;
+}
+.poll-opt-label { font-size: 10px; color: #555; width: 52px; letter-spacing: 0.03em; flex-shrink: 0; }
+.poll-pct { font-size: 10px; color: #333; width: 24px; text-align: right; flex-shrink: 0; }
+
+.voice-msg {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  background: #141414;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 20px;
+  padding: 8px 12px;
+  max-width: 72%;
+}
+.play-btn {
+  width: 22px; height: 22px;
+  border-radius: 50%;
+  border: 0.5px solid #333;
+  display: flex; align-items: center; justify-content: center;
+  flex-shrink: 0;
+}
+.play-tri {
+  width: 0; height: 0;
+  border-style: solid;
+  border-width: 4px 0 4px 7px;
+  border-color: transparent transparent transparent #888;
+  margin-left: 1px;
+}
+.waveform {
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  flex: 1;
+}
+.wave-bar {
+  width: 2px;
+  border-radius: 1px;
+  background: #2a2a2a;
+}
+.voice-dur { font-size: 10px; color: #333; letter-spacing: 0.04em; }
+
+.chat-input-row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 14px 12px;
+  border-top: 0.5px solid #161616;
+}
+.chat-input {
+  flex: 1;
+  background: #111;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 20px;
+  padding: 8px 14px;
+  font-size: 12px;
+  color: #888;
+  font-family: 'Courier New', monospace;
+  letter-spacing: 0.03em;
+}
+.input-action {
+  width: 30px; height: 30px;
+  border-radius: 50%;
+  border: 0.5px solid #1e1e1e;
+  background: transparent;
+  display: flex; align-items: center; justify-content: center;
+  cursor: pointer;
+  flex-shrink: 0;
+}
+
+/* ── SCREEN 3: space ── */
+.space-header {
+  padding: 8px 20px 10px;
+  border-bottom: 0.5px solid #1a1a1a;
+}
+.space-eyebrow { font-size: 9px; color: #333; letter-spacing: 0.1em; margin-bottom: 4px; }
+.space-title { font-size: 18px; color: #d8d8d8; letter-spacing: -0.01em; }
+.space-members { font-size: 10px; color: #333; letter-spacing: 0.04em; margin-top: 2px; }
+
+.space-tabs {
+  display: flex;
+  border-bottom: 0.5px solid #161616;
+  padding: 0 20px;
+}
+.space-tab {
+  font-size: 10px;
+  letter-spacing: 0.06em;
+  color: #333;
+  padding: 8px 0;
+  margin-right: 20px;
+  cursor: pointer;
+  border-bottom: 1px solid transparent;
+}
+.space-tab.active {
+  color: #e8e8e8;
+  border-bottom-color: #e8e8e8;
+}
+
+.space-body { flex: 1; overflow: hidden; padding: 12px 20px; display: flex; flex-direction: column; gap: 8px; }
+
+.file-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 9px 10px;
+  background: #0d0d0d;
+  border: 0.5px solid #181818;
+  border-radius: 8px;
+  cursor: pointer;
+}
+.file-icon {
+  width: 28px; height: 28px;
+  background: #141414;
+  border: 0.5px solid #222;
+  border-radius: 5px;
+  display: flex; align-items: center; justify-content: center;
+  font-size: 10px;
+  color: #555;
+  letter-spacing: 0.03em;
+  flex-shrink: 0;
+}
+.file-info { flex: 1; min-width: 0; }
+.file-name { font-size: 12px; color: #b0b0b0; letter-spacing: 0.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
+.file-meta { font-size: 10px; color: #333; letter-spacing: 0.03em; margin-top: 2px; }
+.file-size { font-size: 10px; color: #2e2e2e; flex-shrink: 0; }
+
+.doc-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 9px 10px;
+  background: #0d0d0d;
+  border: 0.5px solid #181818;
+  border-radius: 8px;
+  cursor: pointer;
+}
+.doc-preview {
+  width: 28px; height: 34px;
+  background: #111;
+  border: 0.5px solid #222;
+  border-radius: 3px;
+  flex-shrink: 0;
+  display: flex; flex-direction: column;
+  padding: 4px 3px;
+  gap: 2px;
+}
+.doc-line { height: 2px; background: #2a2a2a; border-radius: 1px; }
+.doc-line.short { width: 60%; }
+
+.space-add-row {
+  display: flex;
+  gap: 8px;
+  padding: 4px 0;
+}
+.add-btn {
+  flex: 1;
+  background: transparent;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 8px;
+  padding: 8px;
+  font-size: 10px;
+  color: #333;
+  letter-spacing: 0.06em;
+  cursor: pointer;
+  font-family: 'Courier New', monospace;
+  text-align: center;
+}
+
+.nfc-prompt {
+  margin-top: auto;
+  border: 0.5px solid #1a1a1a;
+  border-radius: 10px;
+  padding: 12px;
+  text-align: center;
+}
+.nfc-ring {
+  width: 40px; height: 40px;
+  border-radius: 50%;
+  border: 0.5px solid #222;
+  margin: 0 auto 6px;
+  display: flex; align-items: center; justify-content: center;
+}
+.nfc-inner {
+  width: 24px; height: 24px;
+  border-radius: 50%;
+  border: 0.5px solid #2e2e2e;
+  display: flex; align-items: center; justify-content: center;
+}
+.nfc-core { width: 8px; height: 8px; border-radius: 50%; background: #1e1e1e; border: 0.5px solid #333; }
+.nfc-label { font-size: 10px; color: #333; letter-spacing: 0.06em; }
+.nfc-sub { font-size: 9px; color: #222; letter-spacing: 0.04em; margin-top: 2px; }
+</style>
+
+<div class="phones">
+
+  <!-- SCREEN 1: contacts -->
+  <div class="phone">
+    <div class="phone-inner">
+      <div class="status-bar"><span>09:41</span><span>▪▪▪</span></div>
+      <div class="screen-label">contacts</div>
+      <div class="contacts-header">
+        <div class="contacts-title">messages</div>
+        <div class="contacts-sub">5 contacts · end-to-end encrypted</div>
+      </div>
+
+      <div class="walkie-row">
+        <div class="walkie-indicator active"></div>
+        <div class="walkie-label">flat · walkie talkie</div>
+        <div class="walkie-btn">hold to talk</div>
+      </div>
+
+      <div style="flex:1;overflow:hidden;">
+        <div class="contact-item">
+          <div class="avatar">JM</div>
+          <div class="contact-info">
+            <div class="contact-name">jamie</div>
+            <div class="contact-preview">voice message · 0:12</div>
+          </div>
+          <div class="contact-meta">
+            <div class="contact-time">now</div>
+            <div class="unread-dot"></div>
+          </div>
+        </div>
+        <div class="contact-item">
+          <div class="avatar">RP</div>
+          <div class="contact-info">
+            <div class="contact-name">climbing crew</div>
+            <div class="contact-preview">priya: who's in sat?</div>
+          </div>
+          <div class="contact-meta">
+            <div class="contact-time">14:22</div>
+            <div class="unread-dot"></div>
+          </div>
+        </div>
+        <div class="contact-item">
+          <div class="avatar">AL</div>
+          <div class="contact-info">
+            <div class="contact-name">alex</div>
+            <div class="contact-preview">sent a file</div>
+          </div>
+          <div class="contact-meta">
+            <div class="contact-time">tue</div>
+          </div>
+        </div>
+        <div class="contact-item">
+          <div class="avatar">SC</div>
+          <div class="contact-info">
+            <div class="contact-name">sam</div>
+            <div class="contact-preview">yeah let's do it</div>
+          </div>
+          <div class="contact-meta">
+            <div class="contact-time">mon</div>
+          </div>
+        </div>
+
+        <div class="nfc-prompt" style="margin:12px 16px 0;">
+          <div class="nfc-ring"><div class="nfc-inner"><div class="nfc-core"></div></div></div>
+          <div class="nfc-label">add contact</div>
+          <div class="nfc-sub">tap phones · or share a link</div>
+        </div>
+      </div>
+
+      <div class="bottom-nav">
+        <div class="nav-item active">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><rect x="1" y="2" width="14" height="10" rx="2" stroke="#e8e8e8" stroke-width="0.8"/><path d="M5 15h6" stroke="#e8e8e8" stroke-width="0.8" stroke-linecap="round"/></svg>
+          </div>
+          <div class="nav-label">chats</div>
+        </div>
+        <div class="nav-item">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><circle cx="8" cy="6" r="3" stroke="#333" stroke-width="0.8"/><path d="M2 14c0-3.3 2.7-5 6-5s6 1.7 6 5" stroke="#333" stroke-width="0.8" stroke-linecap="round"/></svg>
+          </div>
+          <div class="nav-label">contacts</div>
+        </div>
+        <div class="nav-item">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><circle cx="8" cy="8" r="6" stroke="#333" stroke-width="0.8"/><circle cx="8" cy="8" r="2" stroke="#333" stroke-width="0.8"/></svg>
+          </div>
+          <div class="nav-label">spaces</div>
+        </div>
+        <div class="nav-item">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><circle cx="8" cy="8" r="6" stroke="#333" stroke-width="0.8"/><path d="M8 5v3l2 2" stroke="#333" stroke-width="0.8" stroke-linecap="round"/></svg>
+          </div>
+          <div class="nav-label">settings</div>
+        </div>
+      </div>
+    </div>
+  </div>
+
+  <!-- SCREEN 2: chat -->
+  <div class="phone">
+    <div class="phone-inner">
+      <div class="status-bar"><span>09:41</span><span>▪▪▪</span></div>
+      <div class="screen-label">chat</div>
+      <div class="chat-header">
+        <div class="back-btn">‹</div>
+        <div class="chat-header-info">
+          <div class="chat-name">climbing crew</div>
+          <div class="chat-status">3 members · e2e encrypted</div>
+        </div>
+        <div class="chat-actions">
+          <svg class="action-icon" width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M2 4h12M2 8h12M2 12h8" stroke="#3a3a3a" stroke-width="0.8" stroke-linecap="round"/></svg>
+          <svg class="action-icon" width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M8 3v5l3 3" stroke="#3a3a3a" stroke-width="0.8" stroke-linecap="round"/><circle cx="8" cy="8" r="6" stroke="#3a3a3a" stroke-width="0.8"/></svg>
+          <svg class="action-icon" width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M3 8a5 5 0 009.9-1M13 8a5 5 0 01-9.9 1" stroke="#3a3a3a" stroke-width="0.8" stroke-linecap="round"/><path d="M11 4l2 3-3 1" stroke="#3a3a3a" stroke-width="0.8" stroke-linecap="round" stroke-linejoin="round"/></svg>
+        </div>
+      </div>
+
+      <div class="chat-body">
+        <div class="msg-row them">
+          <div class="msg-bubble">who's in for saturday?</div>
+          <div class="msg-time">priya · 14:20</div>
+        </div>
+
+        <div class="poll-card">
+          <div class="poll-q">climbing saturday</div>
+          <div class="poll-option">
+            <div class="poll-opt-label">morning</div>
+            <div class="poll-bar-bg"><div class="poll-bar-fill" style="width:70%"></div></div>
+            <div class="poll-pct">70%</div>
+          </div>
+          <div class="poll-option">
+            <div class="poll-opt-label">afternoon</div>
+            <div class="poll-bar-bg"><div class="poll-bar-fill" style="width:20%"></div></div>
+            <div class="poll-pct">20%</div>
+          </div>
+          <div class="poll-option" style="margin-bottom:0">
+            <div class="poll-opt-label">can't make it</div>
+            <div class="poll-bar-bg"><div class="poll-bar-fill" style="width:10%"></div></div>
+            <div class="poll-pct">10%</div>
+          </div>
+        </div>
+
+        <div class="msg-row me">
+          <div class="msg-bubble">morning works, i'll book the wall</div>
+          <div class="msg-time">14:31</div>
+        </div>
+        <div class="reaction-row" style="justify-content:flex-end">
+          <div class="reaction-pill">+1  2</div>
+        </div>
+
+        <div class="voice-msg">
+          <div class="play-btn"><div class="play-tri"></div></div>
+          <div class="waveform">
+            <div class="wave-bar" style="height:4px"></div>
+            <div class="wave-bar" style="height:8px"></div>
+            <div class="wave-bar" style="height:14px"></div>
+            <div class="wave-bar" style="height:10px"></div>
+            <div class="wave-bar" style="height:6px"></div>
+            <div class="wave-bar" style="height:12px"></div>
+            <div class="wave-bar" style="height:8px"></div>
+            <div class="wave-bar" style="height:5px"></div>
+            <div class="wave-bar" style="height:10px"></div>
+            <div class="wave-bar" style="height:14px"></div>
+            <div class="wave-bar" style="height:9px"></div>
+            <div class="wave-bar" style="height:6px"></div>
+          </div>
+          <div class="voice-dur">0:12</div>
+        </div>
+        <div class="msg-time" style="padding-left:4px">jamie · 14:38</div>
+      </div>
+
+      <div class="chat-input-row">
+        <div class="input-action">
+          <svg width="14" height="14" viewBox="0 0 14 14" fill="none"><rect x="1" y="1" width="12" height="12" rx="2" stroke="#333" stroke-width="0.8"/><path d="M4 7h6M7 4v6" stroke="#333" stroke-width="0.8" stroke-linecap="round"/></svg>
+        </div>
+        <div class="chat-input">message</div>
+        <div class="input-action">
+          <svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="5" r="2.5" stroke="#333" stroke-width="0.8"/><path d="M7 8v4M5 11h4" stroke="#333" stroke-width="0.8" stroke-linecap="round"/></svg>
+        </div>
+        <div class="input-action">
+          <svg width="14" height="14" viewBox="0 0 14 14" fill="none"><path d="M2 7h10M7 2l5 5-5 5" stroke="#333" stroke-width="0.8" stroke-linecap="round" stroke-linejoin="round"/></svg>
+        </div>
+      </div>
+    </div>
+  </div>
+
+  <!-- SCREEN 3: space -->
+  <div class="phone">
+    <div class="phone-inner">
+      <div class="status-bar"><span>09:41</span><span>▪▪▪</span></div>
+      <div class="screen-label">shared space</div>
+      <div class="space-header">
+        <div class="space-eyebrow">climbing crew</div>
+        <div class="space-title">space</div>
+        <div class="space-members">3 members</div>
+      </div>
+
+      <div class="space-tabs">
+        <div class="space-tab active">files</div>
+        <div class="space-tab">docs</div>
+        <div class="space-tab">links</div>
+      </div>
+
+      <div class="space-body">
+        <div class="file-item">
+          <div class="file-icon">jpg</div>
+          <div class="file-info">
+            <div class="file-name">wall-beta-map.jpg</div>
+            <div class="file-meta">priya · 3 days ago</div>
+          </div>
+          <div class="file-size">2.1mb</div>
+        </div>
+        <div class="file-item">
+          <div class="file-icon">pdf</div>
+          <div class="file-info">
+            <div class="file-name">membership-discount.pdf</div>
+            <div class="file-meta">jamie · 1 week ago</div>
+          </div>
+          <div class="file-size">84kb</div>
+        </div>
+        <div class="file-item">
+          <div class="file-icon">mp4</div>
+          <div class="file-info">
+            <div class="file-name">dyno-attempt.mp4</div>
+            <div class="file-meta">you · 2 weeks ago</div>
+          </div>
+          <div class="file-size">18mb</div>
+        </div>
+
+        <div style="height:0.5px;background:#161616;margin:4px 0;"></div>
+
+        <div class="doc-item">
+          <div class="doc-preview">
+            <div class="doc-line"></div>
+            <div class="doc-line short"></div>
+            <div class="doc-line"></div>
+            <div class="doc-line short"></div>
+          </div>
+          <div class="file-info">
+            <div class="file-name">gear checklist</div>
+            <div class="file-meta">shared doc · edited yesterday</div>
+          </div>
+        </div>
+
+        <div class="space-add-row">
+          <div class="add-btn">+ upload file</div>
+          <div class="add-btn">+ new doc</div>
+        </div>
+
+        <div class="nfc-prompt" style="margin-top:auto;">
+          <div style="font-size:10px;color:#2a2a2a;letter-spacing:0.06em;">storage used</div>
+          <div style="display:flex;align-items:center;gap:8px;margin-top:6px;">
+            <div style="flex:1;height:2px;background:#1a1a1a;border-radius:1px;">
+              <div style="width:34%;height:100%;background:#444;border-radius:1px;"></div>
+            </div>
+            <div style="font-size:10px;color:#2e2e2e;letter-spacing:0.04em;">34%</div>
+          </div>
+        </div>
+      </div>
+
+      <div class="bottom-nav">
+        <div class="nav-item">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><rect x="1" y="2" width="14" height="10" rx="2" stroke="#333" stroke-width="0.8"/></svg>
+          </div>
+          <div class="nav-label">chats</div>
+        </div>
+        <div class="nav-item">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><circle cx="8" cy="6" r="3" stroke="#333" stroke-width="0.8"/><path d="M2 14c0-3.3 2.7-5 6-5s6 1.7 6 5" stroke="#333" stroke-width="0.8" stroke-linecap="round"/></svg>
+          </div>
+          <div class="nav-label">contacts</div>
+        </div>
+        <div class="nav-item active">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><circle cx="8" cy="8" r="6" stroke="#e8e8e8" stroke-width="0.8"/><circle cx="8" cy="8" r="2" stroke="#e8e8e8" stroke-width="0.8"/></svg>
+          </div>
+          <div class="nav-label">spaces</div>
+        </div>
+        <div class="nav-item">
+          <div class="nav-icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none"><circle cx="8" cy="8" r="6" stroke="#333" stroke-width="0.8"/><path d="M8 5v3l2 2" stroke="#333" stroke-width="0.8" stroke-linecap="round"/></svg>
+          </div>
+          <div class="nav-label">settings</div>
+        </div>
+      </div>
+    </div>
+  </div>
+
+</div>
@@ -0,0 +1,627 @@
+<style>
+* { box-sizing: border-box; margin: 0; padding: 0; }
+
+.phones {
+  display: flex;
+  gap: 24px;
+  justify-content: center;
+  padding: 24px 0;
+  flex-wrap: wrap;
+}
+
+.phone {
+  width: 280px;
+  background: #0a0a0a;
+  border-radius: 36px;
+  border: 1px solid #222;
+  overflow: hidden;
+  flex-shrink: 0;
+}
+
+.phone-inner {
+  height: 580px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  font-family: 'Courier New', monospace;
+}
+
+.status-bar {
+  display: flex;
+  justify-content: space-between;
+  padding: 12px 20px 4px;
+  font-size: 10px;
+  color: #444;
+  letter-spacing: 0.05em;
+}
+
+.screen-label {
+  font-size: 9px;
+  letter-spacing: 0.15em;
+  color: #2a2a2a;
+  text-align: center;
+  padding: 0 0 6px;
+}
+
+.header {
+  padding: 6px 18px 10px;
+  border-bottom: 0.5px solid #1a1a1a;
+}
+.eyebrow { font-size: 9px; color: #2e2e2e; letter-spacing: 0.1em; margin-bottom: 3px; }
+.title { font-size: 18px; color: #d8d8d8; letter-spacing: -0.01em; font-weight: 400; }
+.subtitle { font-size: 10px; color: #333; letter-spacing: 0.04em; margin-top: 2px; }
+
+.space-tabs {
+  display: flex;
+  border-bottom: 0.5px solid #161616;
+  padding: 0 18px;
+}
+.tab {
+  font-size: 10px;
+  letter-spacing: 0.06em;
+  color: #333;
+  padding: 7px 0;
+  margin-right: 18px;
+  border-bottom: 1px solid transparent;
+  cursor: pointer;
+}
+.tab.active { color: #e8e8e8; border-bottom-color: #e8e8e8; }
+
+.body {
+  flex: 1;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+.table-list {
+  padding: 12px 18px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  flex: 1;
+  overflow: hidden;
+}
+
+.table-card {
+  background: #0d0d0d;
+  border: 0.5px solid #1a1a1a;
+  border-radius: 10px;
+  overflow: hidden;
+  cursor: pointer;
+}
+
+.table-card-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 8px 10px 6px;
+  border-bottom: 0.5px solid #161616;
+}
+.table-card-name { font-size: 11px; color: #b0b0b0; letter-spacing: 0.04em; }
+.table-card-meta { font-size: 9px; color: #2e2e2e; letter-spacing: 0.04em; }
+
+.mini-table { width: 100%; overflow: hidden; }
+.mini-table table {
+  width: 100%;
+  border-collapse: collapse;
+  font-size: 10px;
+  table-layout: fixed;
+}
+.mini-table th {
+  padding: 4px 10px;
+  text-align: left;
+  color: #333;
+  letter-spacing: 0.06em;
+  font-weight: 400;
+  border-bottom: 0.5px solid #161616;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.mini-table td {
+  padding: 5px 10px;
+  color: #666;
+  letter-spacing: 0.03em;
+  border-bottom: 0.5px solid #111;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.mini-table tr:last-child td { border-bottom: none; }
+
+.check-on {
+  display: inline-block;
+  width: 10px; height: 10px;
+  border: 0.5px solid #444;
+  border-radius: 2px;
+  background: #222;
+  position: relative;
+}
+.check-on::after {
+  content: '';
+  position: absolute;
+  left: 2px; top: 0px;
+  width: 4px; height: 7px;
+  border-right: 1px solid #888;
+  border-bottom: 1px solid #888;
+  transform: rotate(45deg) translate(-1px, -2px);
+}
+.check-off {
+  display: inline-block;
+  width: 10px; height: 10px;
+  border: 0.5px solid #222;
+  border-radius: 2px;
+}
+
+.add-table-btn {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 9px 10px;
+  background: transparent;
+  border: 0.5px dashed #1e1e1e;
+  border-radius: 10px;
+  font-size: 10px;
+  color: #2e2e2e;
+  letter-spacing: 0.06em;
+  cursor: pointer;
+  font-family: 'Courier New', monospace;
+  width: 100%;
+  text-align: left;
+}
+
+.bottom-nav {
+  display: flex;
+  border-top: 0.5px solid #161616;
+  padding: 10px 0 14px;
+  margin-top: auto;
+}
+.nav-item {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+}
+.nav-label { font-size: 9px; color: #2e2e2e; letter-spacing: 0.06em; }
+.nav-item.active .nav-label { color: #e8e8e8; }
+
+/* ── SCREEN 2: open table ── */
+.table-header {
+  padding: 6px 18px 10px;
+  border-bottom: 0.5px solid #1a1a1a;
+  display: flex;
+  align-items: flex-end;
+  justify-content: space-between;
+}
+.table-title { font-size: 18px; color: #d8d8d8; letter-spacing: -0.01em; font-weight: 400; }
+.table-actions { display: flex; gap: 10px; padding-bottom: 2px; }
+.tbl-action { font-size: 10px; color: #2e2e2e; letter-spacing: 0.06em; cursor: pointer; border: 0.5px solid #1e1e1e; border-radius: 4px; padding: 3px 8px; }
+
+.full-table-wrap {
+  flex: 1;
+  overflow-x: auto;
+  overflow-y: auto;
+  padding: 0;
+}
+
+.full-table {
+  border-collapse: collapse;
+  font-size: 11px;
+  font-family: 'Courier New', monospace;
+  min-width: 100%;
+}
+
+.full-table thead th {
+  padding: 7px 12px;
+  text-align: left;
+  color: #444;
+  letter-spacing: 0.07em;
+  font-weight: 400;
+  font-size: 9px;
+  border-bottom: 0.5px solid #1e1e1e;
+  border-right: 0.5px solid #161616;
+  background: #0d0d0d;
+  white-space: nowrap;
+  position: sticky;
+  top: 0;
+  z-index: 1;
+}
+.full-table thead th:last-child { border-right: none; }
+
+.full-table td {
+  padding: 8px 12px;
+  color: #888;
+  letter-spacing: 0.03em;
+  border-bottom: 0.5px solid #111;
+  border-right: 0.5px solid #0f0f0f;
+  white-space: nowrap;
+}
+.full-table td:last-child { border-right: none; }
+.full-table tr:last-child td { border-bottom: none; }
+.full-table tr.selected td { background: #111; color: #b0b0b0; }
+
+.type-badge {
+  display: inline-block;
+  font-size: 8px;
+  color: #2e2e2e;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 3px;
+  padding: 1px 4px;
+  letter-spacing: 0.04em;
+  margin-left: 4px;
+  vertical-align: middle;
+}
+
+.col-header-inner {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.add-row-btn {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 12px;
+  font-size: 10px;
+  color: #2a2a2a;
+  letter-spacing: 0.06em;
+  cursor: pointer;
+  border-top: 0.5px solid #161616;
+  background: #0a0a0a;
+}
+
+.table-toolbar {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 7px 18px;
+  border-bottom: 0.5px solid #161616;
+  overflow-x: auto;
+}
+.filter-chip {
+  font-size: 9px;
+  color: #333;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 10px;
+  padding: 3px 8px;
+  letter-spacing: 0.05em;
+  white-space: nowrap;
+  cursor: pointer;
+}
+.filter-chip.active { color: #888; border-color: #333; }
+
+/* ── SCREEN 3: new table ── */
+.sheet-header {
+  padding: 6px 18px 10px;
+  border-bottom: 0.5px solid #1a1a1a;
+}
+.sheet-title { font-size: 18px; color: #d8d8d8; letter-spacing: -0.01em; font-weight: 400; }
+.sheet-sub { font-size: 10px; color: #2e2e2e; letter-spacing: 0.04em; margin-top: 2px; }
+
+.sheet-body { flex: 1; overflow: hidden; padding: 14px 18px; display: flex; flex-direction: column; gap: 14px; }
+
+.field-row {
+  display: flex;
+  flex-direction: column;
+  gap: 5px;
+}
+.field-label { font-size: 9px; color: #333; letter-spacing: 0.08em; }
+.field-input {
+  background: #0d0d0d;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 6px;
+  padding: 8px 10px;
+  font-size: 12px;
+  color: #b0b0b0;
+  font-family: 'Courier New', monospace;
+  letter-spacing: 0.04em;
+  width: 100%;
+}
+
+.col-defs { display: flex; flex-direction: column; gap: 6px; }
+.col-def-row {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+.col-name-input {
+  flex: 1;
+  background: #0d0d0d;
+  border: 0.5px solid #1a1a1a;
+  border-radius: 6px;
+  padding: 7px 9px;
+  font-size: 11px;
+  color: #888;
+  font-family: 'Courier New', monospace;
+  letter-spacing: 0.03em;
+}
+.col-type-select {
+  background: #0d0d0d;
+  border: 0.5px solid #1a1a1a;
+  border-radius: 6px;
+  padding: 7px 6px;
+  font-size: 10px;
+  color: #444;
+  font-family: 'Courier New', monospace;
+  letter-spacing: 0.03em;
+  width: 72px;
+}
+.col-drag { font-size: 10px; color: #222; padding: 0 2px; cursor: grab; }
+
+.add-col-row {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 10px;
+  color: #2a2a2a;
+  letter-spacing: 0.06em;
+  cursor: pointer;
+  padding: 4px 0;
+}
+
+.template-row {
+  display: flex;
+  flex-direction: column;
+  gap: 5px;
+}
+.template-label { font-size: 9px; color: #333; letter-spacing: 0.08em; }
+.template-chips { display: flex; gap: 6px; flex-wrap: wrap; }
+.template-chip {
+  font-size: 9px;
+  color: #3a3a3a;
+  border: 0.5px solid #1e1e1e;
+  border-radius: 10px;
+  padding: 4px 10px;
+  letter-spacing: 0.05em;
+  cursor: pointer;
+}
+.template-chip.selected { color: #888; border-color: #444; }
+
+.create-btn {
+  background: #e8e8e8;
+  border: none;
+  border-radius: 8px;
+  padding: 10px;
+  font-size: 11px;
+  color: #0a0a0a;
+  font-family: 'Courier New', monospace;
+  letter-spacing: 0.06em;
+  cursor: pointer;
+  width: 100%;
+  margin-top: auto;
+}
+</style>
+
+<div class="phones">
+
+  <!-- SCREEN 1: space with tables tab -->
+  <div class="phone">
+    <div class="phone-inner">
+      <div class="status-bar"><span>09:41</span><span>▪▪▪</span></div>
+      <div class="screen-label">shared space · tables</div>
+      <div class="header">
+        <div class="eyebrow">climbing crew</div>
+        <div class="title">space</div>
+        <div class="subtitle">3 members</div>
+      </div>
+      <div class="space-tabs">
+        <div class="tab">files</div>
+        <div class="tab">docs</div>
+        <div class="tab active">tables</div>
+        <div class="tab">links</div>
+      </div>
+
+      <div class="body">
+        <div class="table-list">
+
+          <div class="table-card">
+            <div class="table-card-header">
+              <div class="table-card-name">availability</div>
+              <div class="table-card-meta">edited today</div>
+            </div>
+            <div class="mini-table">
+              <table>
+                <colgroup>
+                  <col style="width:35%">
+                  <col style="width:22%">
+                  <col style="width:22%">
+                  <col style="width:21%">
+                </colgroup>
+                <thead>
+                  <tr><th>name</th><th>sat</th><th>sun</th><th>notes</th></tr>
+                </thead>
+                <tbody>
+                  <tr><td>priya</td><td><span class="check-on"></span></td><td><span class="check-off"></span></td><td>morning</td></tr>
+                  <tr><td>jamie</td><td><span class="check-on"></span></td><td><span class="check-on"></span></td><td></td></tr>
+                  <tr><td>you</td><td><span class="check-on"></span></td><td><span class="check-off"></span></td><td>am only</td></tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+          <div class="table-card">
+            <div class="table-card-header">
+              <div class="table-card-name">gear to bring</div>
+              <div class="table-card-meta">edited 3 days ago</div>
+            </div>
+            <div class="mini-table">
+              <table>
+                <colgroup>
+                  <col style="width:42%">
+                  <col style="width:30%">
+                  <col style="width:28%">
+                </colgroup>
+                <thead>
+                  <tr><th>item</th><th>who</th><th>packed</th></tr>
+                </thead>
+                <tbody>
+                  <tr><td>rope</td><td>jamie</td><td><span class="check-on"></span></td></tr>
+                  <tr><td>crash pad</td><td>priya</td><td><span class="check-off"></span></td></tr>
+                  <tr><td>first aid</td><td>you</td><td><span class="check-off"></span></td></tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+          <button class="add-table-btn">+ new table</button>
+
+        </div>
+      </div>
+
+      <div class="bottom-nav">
+        <div class="nav-item"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><rect x="1" y="1" width="12" height="10" rx="2" stroke="#2e2e2e" stroke-width="0.8"/></svg></div><div class="nav-label">chats</div></div>
+        <div class="nav-item"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="5" r="2.5" stroke="#2e2e2e" stroke-width="0.8"/><path d="M1.5 13c0-3 2.5-4.5 5.5-4.5s5.5 1.5 5.5 4.5" stroke="#2e2e2e" stroke-width="0.8" stroke-linecap="round"/></svg></div><div class="nav-label">contacts</div></div>
+        <div class="nav-item active"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="7" r="5.5" stroke="#e8e8e8" stroke-width="0.8"/><circle cx="7" cy="7" r="2" stroke="#e8e8e8" stroke-width="0.8"/></svg></div><div class="nav-label">spaces</div></div>
+        <div class="nav-item"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="7" r="5.5" stroke="#2e2e2e" stroke-width="0.8"/><path d="M7 4v3l2 2" stroke="#2e2e2e" stroke-width="0.8" stroke-linecap="round"/></svg></div><div class="nav-label">settings</div></div>
+      </div>
+    </div>
+  </div>
+
+  <!-- SCREEN 2: open table -->
+  <div class="phone">
+    <div class="phone-inner">
+      <div class="status-bar"><span>09:41</span><span>▪▪▪</span></div>
+      <div class="screen-label">table view</div>
+
+      <div class="table-header">
+        <div>
+          <div class="eyebrow">climbing crew · space</div>
+          <div class="table-title">availability</div>
+        </div>
+        <div class="table-actions">
+          <div class="tbl-action">filter</div>
+          <div class="tbl-action">+ col</div>
+        </div>
+      </div>
+
+      <div class="table-toolbar">
+        <div class="filter-chip active">all rows</div>
+        <div class="filter-chip">sat only</div>
+        <div class="filter-chip">available</div>
+        <div class="filter-chip">missing</div>
+      </div>
+
+      <div class="full-table-wrap">
+        <table class="full-table">
+          <thead>
+            <tr>
+              <th style="width:72px"><div class="col-header-inner">name<span class="type-badge">txt</span></div></th>
+              <th style="width:52px"><div class="col-header-inner">sat<span class="type-badge">bool</span></div></th>
+              <th style="width:52px"><div class="col-header-inner">sun<span class="type-badge">bool</span></div></th>
+              <th style="width:52px"><div class="col-header-inner">mon<span class="type-badge">bool</span></div></th>
+              <th style="width:80px"><div class="col-header-inner">notes<span class="type-badge">txt</span></div></th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr class="selected">
+              <td>priya</td>
+              <td><span class="check-on"></span></td>
+              <td><span class="check-off"></span></td>
+              <td><span class="check-on"></span></td>
+              <td>morning only</td>
+            </tr>
+            <tr>
+              <td>jamie</td>
+              <td><span class="check-on"></span></td>
+              <td><span class="check-on"></span></td>
+              <td><span class="check-off"></span></td>
+              <td></td>
+            </tr>
+            <tr>
+              <td>you</td>
+              <td><span class="check-on"></span></td>
+              <td><span class="check-off"></span></td>
+              <td><span class="check-on"></span></td>
+              <td>am only</td>
+            </tr>
+            <tr>
+              <td style="color:#2a2a2a;font-style:italic" colspan="5">+ add row</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+
+      <div style="padding:8px 18px;border-top:0.5px solid #161616;display:flex;justify-content:space-between;align-items:center;">
+        <div style="font-size:9px;color:#2a2a2a;letter-spacing:0.06em;">3 rows · 5 columns</div>
+        <div style="font-size:9px;color:#2a2a2a;letter-spacing:0.06em;">synced · e2e</div>
+      </div>
+
+      <div class="bottom-nav">
+        <div class="nav-item"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><rect x="1" y="1" width="12" height="10" rx="2" stroke="#2e2e2e" stroke-width="0.8"/></svg></div><div class="nav-label">chats</div></div>
+        <div class="nav-item"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="5" r="2.5" stroke="#2e2e2e" stroke-width="0.8"/><path d="M1.5 13c0-3 2.5-4.5 5.5-4.5s5.5 1.5 5.5 4.5" stroke="#2e2e2e" stroke-width="0.8" stroke-linecap="round"/></svg></div><div class="nav-label">contacts</div></div>
+        <div class="nav-item active"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="7" r="5.5" stroke="#e8e8e8" stroke-width="0.8"/><circle cx="7" cy="7" r="2" stroke="#e8e8e8" stroke-width="0.8"/></svg></div><div class="nav-label">spaces</div></div>
+        <div class="nav-item"><div style="width:16px;height:16px;display:flex;align-items:center;justify-content:center;"><svg width="14" height="14" viewBox="0 0 14 14" fill="none"><circle cx="7" cy="7" r="5.5" stroke="#2e2e2e" stroke-width="0.8"/><path d="M7 4v3l2 2" stroke="#2e2e2e" stroke-width="0.8" stroke-linecap="round"/></svg></div><div class="nav-label">settings</div></div>
+      </div>
+    </div>
+  </div>
+
+  <!-- SCREEN 3: new table -->
+  <div class="phone">
+    <div class="phone-inner">
+      <div class="status-bar"><span>09:41</span><span>▪▪▪</span></div>
+      <div class="screen-label">new table</div>
+
+      <div class="sheet-header">
+        <div class="eyebrow">climbing crew · space</div>
+        <div class="sheet-title">new table</div>
+        <div class="sheet-sub">define columns · start typing</div>
+      </div>
+
+      <div class="sheet-body">
+
+        <div class="field-row">
+          <div class="field-label">table name</div>
+          <div class="field-input">expenses</div>
+        </div>
+
+        <div class="template-row">
+          <div class="template-label">start from template</div>
+          <div class="template-chips">
+            <div class="template-chip selected">availability</div>
+            <div class="template-chip">shopping list</div>
+            <div class="template-chip">expenses</div>
+            <div class="template-chip">tasks</div>
+            <div class="template-chip">blank</div>
+          </div>
+        </div>
+
+        <div class="field-row">
+          <div class="field-label">columns</div>
+          <div class="col-defs">
+            <div class="col-def-row">
+              <div class="col-drag">⠿</div>
+              <input class="col-name-input" value="item" readonly>
+              <select class="col-type-select"><option>text</option></select>
+            </div>
+            <div class="col-def-row">
+              <div class="col-drag">⠿</div>
+              <input class="col-name-input" value="amount" readonly>
+              <select class="col-type-select"><option>number</option></select>
+            </div>
+            <div class="col-def-row">
+              <div class="col-drag">⠿</div>
+              <input class="col-name-input" value="paid by" readonly>
+              <select class="col-type-select"><option>text</option></select>
+            </div>
+            <div class="col-def-row">
+              <div class="col-drag">⠿</div>
+              <input class="col-name-input" value="settled" readonly>
+              <select class="col-type-select"><option>bool</option></select>
+            </div>
+            <div class="add-col-row">
+              <span style="color:#222">+</span>
+              <span>add column</span>
+            </div>
+          </div>
+        </div>
+
+        <button class="create-btn">create table</button>
+
+      </div>
+    </div>
+  </div>
+
+</div>
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
zxq5	d33eee1281	frontend v0.4.0	2026-04-06 01:02:39 +01:00
zxq5	7c9b733813	updated gitignore	2026-04-06 01:00:27 +01:00
zxq5	bda1ef251a	full backend rewrite. calling this v0.4.0	2026-04-06 00:57:23 +01:00
zxq5	a2f7f5a505	refactoring, proper User implementation, more settings endpoints. backend probably needs a full refactor to an API/Service/Repository architecture for maintainability	2026-04-02 03:11:14 +01:00
zxq5	ad0cf85b34	frontend update, big refactor	2026-04-02 03:09:33 +01:00
zxq5	3dfaab4865	updated workspace settings and some scripts	2026-04-01 21:53:38 +01:00
zxq5	a0e9244d6a	refactored auth for JWTs, completed TOTP/2FA implementation, added endpoints to change display name and password	2026-04-01 19:53:48 +01:00
zxq5	24fe3ef543	android frontend first implementation	2026-04-01 19:52:59 +01:00