Fix the problem of disappearing background in dark color mode

manager/app/src/main/java/shirkneko/zako/sukisu/ui/screen/MoreSettings.kt

@@ -443,9 +443,9 @@ private fun getSliderColors(cardAlpha: Float, useCustomColors: Boolean = false):
         // 使用自定义主题色时
         useCustomColors -> {
             SliderDefaults.colors(
-                activeTrackColor = Color.White,
+                activeTrackColor = theme.getCustomSliderActiveColor(),
                 inactiveTrackColor = theme.getCustomSliderInactiveColor(),
-                thumbColor = Color.White
+                thumbColor = theme.Primary
             )
         }
         else -> {

manager/app/src/main/java/shirkneko/zako/sukisu/ui/theme/Theme.kt

@@ -51,8 +51,10 @@ private fun getDarkColorScheme() = darkColorScheme(
     onTertiary = Color.White,
     tertiaryContainer = ThemeConfig.currentTheme.TertiaryContainer.copy(alpha = 0.15f),
     onTertiaryContainer = Color.White,
-    onBackground = Color.White,
-    onSurface = Color.White,
+    background = Color.Transparent,
+    surface = Color.Transparent,
+    onBackground = Color.White.copy(alpha = 0.87f),
+    onSurface = Color.White.copy(alpha = 0.87f),
     surfaceVariant = Color(0xFF2F2F2F),
     onSurfaceVariant = Color.White.copy(alpha = 0.78f),
     outline = Color.White.copy(alpha = 0.12f),
@@ -75,8 +77,8 @@ private fun getLightColorScheme() = lightColorScheme(
     onTertiaryContainer = ThemeConfig.currentTheme.OnTertiaryContainer,
     background = Color.Transparent,
     surface = Color.Transparent,
-    onBackground = Color.Black,
-    onSurface = Color.Black,
+    onBackground = Color.Black.copy(alpha = 0.87f),
+    onSurface = Color.Black.copy(alpha = 0.87f),
     surfaceVariant = Color(0xFFF5F5F5),
     onSurfaceVariant = Color.Black.copy(alpha = 0.78f),
     outline = Color.Black.copy(alpha = 0.12f),