diff --git a/shared/src/commonMain/kotlin/com/notemusicali/ui/components/StaffFullView.kt b/shared/src/commonMain/kotlin/com/notemusicali/ui/components/StaffFullView.kt
index 287ff1d..bfeddf1 100644
--- a/shared/src/commonMain/kotlin/com/notemusicali/ui/components/StaffFullView.kt
+++ b/shared/src/commonMain/kotlin/com/notemusicali/ui/components/StaffFullView.kt
@@ -69,7 +69,10 @@ fun StaffFullView(
             scrollState.animateScrollTo(targetY)
         }
 
-        val viewportHeightDp = if (totalHeightDp < maxVisibleHeight) totalHeightDp else maxVisibleHeight
+        // Con un vincolo di altezza dal contenitore (es. weight in Pratica) il
+        // viewport si adatta alla finestra; altrimenti vale il tetto di default
+        val heightBound = if (this.maxHeight != Dp.Infinity) this.maxHeight else maxVisibleHeight
+        val viewportHeightDp = if (totalHeightDp < heightBound) totalHeightDp else heightBound
         Box(
             modifier = Modifier
                 .fillMaxWidth()
diff --git a/shared/src/commonMain/kotlin/com/notemusicali/ui/practice/PracticeScreen.kt b/shared/src/commonMain/kotlin/com/notemusicali/ui/practice/PracticeScreen.kt
index 9d5d282..0104bc0 100644
--- a/shared/src/commonMain/kotlin/com/notemusicali/ui/practice/PracticeScreen.kt
+++ b/shared/src/commonMain/kotlin/com/notemusicali/ui/practice/PracticeScreen.kt
@@ -310,7 +310,8 @@ fun PracticeScreen(
                         StaffFullView(
                             notes = state.sequence.notes,
                             currentIndex = state.currentIndex,
-                            modifier = staffBgMod,
+                            // Lo spartito si prende lo spazio residuo: cresce con la finestra
+                            modifier = Modifier.weight(1f, fill = false).then(staffBgMod),
                             lightTheme = lightStaff,
                             beats = state.sequence.beats,
                             beatType = state.sequence.beatType,