Overlay readability on bright video: brighter times, translucent progress track

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/src/main/java/dev/castarr/tv/ui/PlayerScreen.kt

@@ -235,7 +235,7 @@ private fun Overlay(state: AppState) {
                     Spacer(Modifier.width(14.dp))
                     Text(
                         "${formatClock(now.start)} – ${formatClock(now.stop)}",
-                        color = CastarrColors.muted,
+                        color = Color(0xFFD7DBE0),
                         fontFamily = AppFont,
                         style = OverlayText,
                         fontSize = 14.sp,
@@ -248,7 +248,7 @@ private fun Overlay(state: AppState) {
                 Spacer(Modifier.height(2.dp))
                 Text(
                     "Danach: ${next.title} (${formatClock(next.start)})",
-                    color = CastarrColors.faint,
+                    color = CastarrColors.muted,
                     fontFamily = AppFont,
                         style = OverlayText,
                     fontSize = 14.sp,
@@ -270,7 +270,7 @@ private fun Overlay(state: AppState) {
                     .fillMaxWidth()
                     .height(3.dp)
                     .clip(RoundedCornerShape(1.5.dp))
-                    .background(CastarrColors.line)
+                    .background(Color(0x59FFFFFF))
             ) {
                 Box(
                     Modifier