fix(player): stabilize first playback and refresh design

lib/tema/pluriwave_theme.dart

@@ -9,12 +9,12 @@ abstract final class PluriWaveTheme {
     const tokens = PluriWaveTokens.dark;
     final colorScheme = const ColorScheme.dark().copyWith(
       primary: tokens.electricMagenta,
-      secondary: const Color(0xFF20E6FF),
+      secondary: const Color(0xFF7EE4C2),
       tertiary: tokens.warmCoral,
-      surface: const Color(0xFF0B1024),
-      surfaceContainerLow: const Color(0xFF111831),
-      surfaceContainerHighest: const Color(0xFF202946),
-      onSurface: const Color(0xFFF7F2FF),
+      surface: const Color(0xFF0D1B24),
+      surfaceContainerLow: const Color(0xFF102532),
+      surfaceContainerHighest: const Color(0xFF1B3942),
+      onSurface: const Color(0xFFF2F7FA),
       onPrimary: Colors.white,
     );
 
@@ -30,7 +30,7 @@ abstract final class PluriWaveTheme {
       appBarTheme: const AppBarTheme(
         centerTitle: false,
         backgroundColor: Colors.transparent,
-        foregroundColor: Color(0xFFF7F2FF),
+        foregroundColor: Color(0xFFF2F7FA),
         elevation: 0,
         scrolledUnderElevation: 0,
       ),

lib/tema/pluriwave_tokens.dart

@@ -37,12 +37,12 @@ class PluriWaveTokens extends ThemeExtension<PluriWaveTokens> {
   final double spacingLg;
 
   static const dark = PluriWaveTokens(
-    deepViolet: Color(0xFF070A18),
-    electricMagenta: Color(0xFFFF3DF2),
-    warmCoral: Color(0xFFFFB86B),
-    glassSurface: Color(0x24FFFFFF),
-    glassBorder: Color(0x52FFFFFF),
-    glowColor: Color(0x88FF3DF2),
+    deepViolet: Color(0xFF07121A),
+    electricMagenta: Color(0xFF21D4D9),
+    warmCoral: Color(0xFFF4B860),
+    glassSurface: Color(0x1FFFFFFF),
+    glassBorder: Color(0x33FFFFFF),
+    glowColor: Color(0x6621D4D9),
     radiusSm: 14,
     radiusMd: 22,
     radiusLg: 30,