fix: opacity 80% for impacts + lower quality for pics + removing slowly zoom if you back go back

lib/features/analysis/widgets/target_overlay.dart

@@ -211,8 +211,8 @@ class _TargetOverlayPainter extends CustomPainter {
       final prevMultiplier = i == 0
           ? 0.0
           : (ringRadii != null && ringRadii!.length == ringCount)
-              ? ringRadii![i - 1]
-              : i / ringCount;
+          ? ringRadii![i - 1]
+          : i / ringCount;
       final zoneRadius = maxRadius * (currentMultiplier + prevMultiplier) / 2;
       final score = 10 - i;
 
@@ -292,16 +292,17 @@ class _TargetOverlayPainter extends CustomPainter {
     final strokeWidth = 3 / zoomScale;
     final fontSize = 10 / zoomScale;
 
-    // Draw outer circle (white outline for visibility)
+    // Draw outer circle (white outline for visibility) — gardé OPAQUE pour
+    // bien repérer le centre même quand le remplissage est transparent.
     final outlinePaint = Paint()
       ..color = AppTheme.impactOutlineColor
       ..style = PaintingStyle.stroke
       ..strokeWidth = strokeWidth;
     canvas.drawCircle(Offset(x, y), outerRadius, outlinePaint);
 
-    // Draw impact marker
+    // Draw impact marker — TRANSPARENCE 50% pour voir l'impact réel derrière
     final impactPaint = Paint()
-      ..color = AppTheme.impactColor
+      ..color = AppTheme.impactColor.withValues(alpha: 0.2)
       ..style = PaintingStyle.fill;
     canvas.drawCircle(Offset(x, y), innerRadius, impactPaint);
 
@@ -381,4 +382,4 @@ class _TargetOverlayPainter extends CustomPainter {
         zoomScale != oldDelegate.zoomScale ||
         showRings != oldDelegate.showRings;
   }
-}
+}