更新

composeApp/src/commonMain/kotlin/com/taskttl/ui/components/AppHeader.kt

@@ -9,6 +9,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
@@ -39,16 +40,19 @@ fun AppHeader(
     showBack: Boolean = false,
     onBackClick: (() -> Unit)? = null,
     trailingIcon: ImageVector? = null,
-    onTrailingClick: (() -> Unit)? = null
+    onTrailingClick: (() -> Unit)? = null,
 ) {
+    val gradient = Brush.linearGradient(
+        colors = listOf(
+            MaterialTheme.colorScheme.primary,
+            MaterialTheme.colorScheme.secondary
+        )
+    )
+
     Row(
         modifier = Modifier
             .fillMaxWidth()
-            .background(
-                Brush.linearGradient(
-                    colors = listOf(Color(0xFF667EEA), Color(0xFF764BA2))
-                )
-            )
+            .background(brush = gradient)
             .padding(horizontal = 20.dp, vertical = 15.dp),
         horizontalArrangement = Arrangement.SpaceBetween,
         verticalAlignment = Alignment.CenterVertically