simplify

lib/pangea/phonetic_transcription/phonetic_transcription_widget.dart

@@ -17,15 +17,15 @@ class PhoneticTranscriptionWidget extends StatefulWidget {
   final LanguageModel textLanguage;
   final TextStyle? style;
   final double? iconSize;
-  final bool? lightBackground;
+  final Color? iconColor;
 
   const PhoneticTranscriptionWidget({
     super.key,
     required this.text,
     required this.textLanguage,
-    this.lightBackground,
     this.style,
     this.iconSize,
+    this.iconColor,
   });
 
   @override
@@ -168,14 +168,8 @@ class _PhoneticTranscriptionWidgetState
                     child: Icon(
                       _isPlaying ? Icons.pause_outlined : Icons.volume_up,
                       size: widget.iconSize ?? 24,
-                      color: widget.lightBackground ??
-                              Theme.of(context).brightness == Brightness.light
-                          ? _isPlaying
-                              ? Theme.of(context).colorScheme.onPrimaryFixed
-                              : Theme.of(context).colorScheme.onTertiaryFixed
-                          : _isPlaying
-                              ? Theme.of(context).colorScheme.primary
-                              : Theme.of(context).iconTheme.color,
+                      color:
+                          widget.iconColor ?? Theme.of(context).iconTheme.color,
                     ),
                   ),
               ],

lib/pangea/toolbar/widgets/overlay_message.dart

@@ -199,7 +199,7 @@ class OverlayMessage extends StatelessWidget {
                                   event,
                                   textColor,
                                 ),
-                                lightBackground: ownMessage ? true : null,
+                                iconColor: textColor,
                               ),
                             ],
                           ),