Import compose theme setup from refactor

Strip out Android-specific implementation for handling black theme for now

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

composeApp/src/commonMain/kotlin/net/newpipe/app/App.kt

@@ -5,14 +5,14 @@
 
 package net.newpipe.app
 
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import net.newpipe.app.theme.AppTheme
 import org.jetbrains.compose.ui.tooling.preview.Preview
 
 @Composable
 @Preview
 fun App() {
-    MaterialTheme {
+    AppTheme {
 
     }
 }

composeApp/src/commonMain/kotlin/net/newpipe/app/theme/Color.kt

@@ -0,0 +1,81 @@
+/*
+ * SPDX-FileCopyrightText: 2024 NewPipe contributors <https://newpipe.net>
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.theme
+
+import androidx.compose.ui.graphics.Color
+
+val primaryLight = Color(0xFF904A45)
+val onPrimaryLight = Color(0xFFFFFFFF)
+val primaryContainerLight = Color(0xFFFFDAD6)
+val onPrimaryContainerLight = Color(0xFF3B0908)
+val secondaryLight = Color(0xFF775653)
+val onSecondaryLight = Color(0xFFFFFFFF)
+val secondaryContainerLight = Color(0xFFFFDAD6)
+val onSecondaryContainerLight = Color(0xFF2C1513)
+val tertiaryLight = Color(0xFF725B2E)
+val onTertiaryLight = Color(0xFFFFFFFF)
+val tertiaryContainerLight = Color(0xFFFEDEA6)
+val onTertiaryContainerLight = Color(0xFF261900)
+val errorLight = Color(0xFFBA1A1A)
+val onErrorLight = Color(0xFFFFFFFF)
+val errorContainerLight = Color(0xFFFFDAD6)
+val onErrorContainerLight = Color(0xFF410002)
+val backgroundLight = Color(0xFFFFF8F7)
+val onBackgroundLight = Color(0xFF231918)
+val surfaceLight = Color(0xFFFFF8F7)
+val onSurfaceLight = Color(0xFF231918)
+val surfaceVariantLight = Color(0xFFF5DDDB)
+val onSurfaceVariantLight = Color(0xFF534342)
+val outlineLight = Color(0xFF857371)
+val outlineVariantLight = Color(0xFFD8C2BF)
+val scrimLight = Color(0xFF000000)
+val inverseSurfaceLight = Color(0xFF392E2D)
+val inverseOnSurfaceLight = Color(0xFFFFEDEB)
+val inversePrimaryLight = Color(0xFFFFB3AC)
+val surfaceDimLight = Color(0xFFE8D6D4)
+val surfaceBrightLight = Color(0xFFFFF8F7)
+val surfaceContainerLowestLight = Color(0xFFFFFFFF)
+val surfaceContainerLowLight = Color(0xFFFFF0EF)
+val surfaceContainerLight = Color(0xFFFCEAE8)
+val surfaceContainerHighLight = Color(0xFFF6E4E2)
+val surfaceContainerHighestLight = Color(0xFFF1DEDC)
+
+val primaryDark = Color(0xFFFFB3AC)
+val onPrimaryDark = Color(0xFF571E1B)
+val primaryContainerDark = Color(0xFF73332F)
+val onPrimaryContainerDark = Color(0xFFFFDAD6)
+val secondaryDark = Color(0xFFE7BDB8)
+val onSecondaryDark = Color(0xFF442927)
+val secondaryContainerDark = Color(0xFF5D3F3C)
+val onSecondaryContainerDark = Color(0xFFFFDAD6)
+val tertiaryDark = Color(0xFFE1C38C)
+val onTertiaryDark = Color(0xFF402D04)
+val tertiaryContainerDark = Color(0xFF584419)
+val onTertiaryContainerDark = Color(0xFFFEDEA6)
+val errorDark = Color(0xFFFFB4AB)
+val onErrorDark = Color(0xFF690005)
+val errorContainerDark = Color(0xFF93000A)
+val onErrorContainerDark = Color(0xFFFFDAD6)
+val backgroundDark = Color(0xFF1A1110)
+val onBackgroundDark = Color(0xFFF1DEDC)
+val surfaceDark = Color(0xFF1A1110)
+val onSurfaceDark = Color(0xFFF1DEDC)
+val surfaceVariantDark = Color(0xFF534342)
+val onSurfaceVariantDark = Color(0xFFD8C2BF)
+val outlineDark = Color(0xFFA08C8A)
+val outlineVariantDark = Color(0xFF534342)
+val scrimDark = Color(0xFF000000)
+val inverseSurfaceDark = Color(0xFFF1DEDC)
+val inverseOnSurfaceDark = Color(0xFF392E2D)
+val inversePrimaryDark = Color(0xFF904A45)
+val surfaceDimDark = Color(0xFF1A1110)
+val surfaceBrightDark = Color(0xFF423735)
+val surfaceContainerLowestDark = Color(0xFF140C0B)
+val surfaceContainerLowDark = Color(0xFF231918)
+val surfaceContainerDark = Color(0xFF271D1C)
+val surfaceContainerHighDark = Color(0xFF322827)
+val surfaceContainerHighestDark = Color(0xFF3D3231)

composeApp/src/commonMain/kotlin/net/newpipe/app/theme/Theme.kt

@@ -0,0 +1,100 @@
+/*
+ * SPDX-FileCopyrightText: 2024 NewPipe contributors <https://newpipe.net>
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.theme
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+
+private val lightScheme = lightColorScheme(
+    primary = primaryLight,
+    onPrimary = onPrimaryLight,
+    primaryContainer = primaryContainerLight,
+    onPrimaryContainer = onPrimaryContainerLight,
+    secondary = secondaryLight,
+    onSecondary = onSecondaryLight,
+    secondaryContainer = secondaryContainerLight,
+    onSecondaryContainer = onSecondaryContainerLight,
+    tertiary = tertiaryLight,
+    onTertiary = onTertiaryLight,
+    tertiaryContainer = tertiaryContainerLight,
+    onTertiaryContainer = onTertiaryContainerLight,
+    error = errorLight,
+    onError = onErrorLight,
+    errorContainer = errorContainerLight,
+    onErrorContainer = onErrorContainerLight,
+    background = backgroundLight,
+    onBackground = onBackgroundLight,
+    surface = surfaceLight,
+    onSurface = onSurfaceLight,
+    surfaceVariant = surfaceVariantLight,
+    onSurfaceVariant = onSurfaceVariantLight,
+    outline = outlineLight,
+    outlineVariant = outlineVariantLight,
+    scrim = scrimLight,
+    inverseSurface = inverseSurfaceLight,
+    inverseOnSurface = inverseOnSurfaceLight,
+    inversePrimary = inversePrimaryLight,
+    surfaceDim = surfaceDimLight,
+    surfaceBright = surfaceBrightLight,
+    surfaceContainerLowest = surfaceContainerLowestLight,
+    surfaceContainerLow = surfaceContainerLowLight,
+    surfaceContainer = surfaceContainerLight,
+    surfaceContainerHigh = surfaceContainerHighLight,
+    surfaceContainerHighest = surfaceContainerHighestLight,
+)
+
+private val darkScheme = darkColorScheme(
+    primary = primaryDark,
+    onPrimary = onPrimaryDark,
+    primaryContainer = primaryContainerDark,
+    onPrimaryContainer = onPrimaryContainerDark,
+    secondary = secondaryDark,
+    onSecondary = onSecondaryDark,
+    secondaryContainer = secondaryContainerDark,
+    onSecondaryContainer = onSecondaryContainerDark,
+    tertiary = tertiaryDark,
+    onTertiary = onTertiaryDark,
+    tertiaryContainer = tertiaryContainerDark,
+    onTertiaryContainer = onTertiaryContainerDark,
+    error = errorDark,
+    onError = onErrorDark,
+    errorContainer = errorContainerDark,
+    onErrorContainer = onErrorContainerDark,
+    background = backgroundDark,
+    onBackground = onBackgroundDark,
+    surface = surfaceDark,
+    onSurface = onSurfaceDark,
+    surfaceVariant = surfaceVariantDark,
+    onSurfaceVariant = onSurfaceVariantDark,
+    outline = outlineDark,
+    outlineVariant = outlineVariantDark,
+    scrim = scrimDark,
+    inverseSurface = inverseSurfaceDark,
+    inverseOnSurface = inverseOnSurfaceDark,
+    inversePrimary = inversePrimaryDark,
+    surfaceDim = surfaceDimDark,
+    surfaceBright = surfaceBrightDark,
+    surfaceContainerLowest = surfaceContainerLowestDark,
+    surfaceContainerLow = surfaceContainerLowDark,
+    surfaceContainer = surfaceContainerDark,
+    surfaceContainerHigh = surfaceContainerHighDark,
+    surfaceContainerHighest = surfaceContainerHighestDark,
+)
+
+@Composable
+fun AppTheme(useDarkTheme: Boolean = isSystemInDarkTheme(), content: @Composable () -> Unit) {
+    MaterialTheme(
+        colorScheme = when {
+            !useDarkTheme -> lightScheme
+            else -> darkScheme
+        },
+        content = content
+    )
+}