give the playing indicator a soft halo over art

Replace the offset drop copy with a slightly scaled, blurred dark copy so
the arrow lifts off busy artwork on all sides.

app/src/main/kotlin/com/subtracks/ui/library/SongsContent.kt

@@ -5,7 +5,6 @@ import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.offset
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -23,8 +22,11 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.BlurredEdgeTreatment
+import androidx.compose.ui.draw.blur
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.semantics.contentDescription
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.text.font.FontWeight
@@ -152,8 +154,14 @@ private fun PlayIndicator(
             Icon(
                 imageVector = Icons.Rounded.PlayArrow,
                 contentDescription = null,
-                tint = Color.Black.copy(alpha = 0.6f),
-                modifier = Modifier.matchParentSize().offset(x = 1.dp, y = 1.dp),
+                tint = Color.Black.copy(alpha = 0.5f),
+                modifier =
+                    Modifier
+                        .matchParentSize()
+                        .graphicsLayer {
+                            scaleX = 1.35f
+                            scaleY = 1.35f
+                        }.blur(3.dp, BlurredEdgeTreatment.Unbounded),
             )
         }
         Icon(