Fix: Animated scrollbar renders black in NO_COLOR mode (#13188)

packages/cli/src/ui/components/ThemedGradient.tsx

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type React from 'react';
+import { Text, type TextProps } from 'ink';
+import Gradient from 'ink-gradient';
+import { theme } from '../semantic-colors.js';
+
+export const ThemedGradient: React.FC<TextProps> = ({ children, ...props }) => {
+  const gradient = theme.ui.gradient;
+
+  if (gradient && gradient.length >= 2) {
+    return (
+      <Gradient colors={gradient}>
+        <Text {...props}>{children}</Text>
+      </Gradient>
+    );
+  }
+
+  if (gradient && gradient.length === 1) {
+    return (
+      <Text color={gradient[0]} {...props}>
+        {children}
+      </Text>
+    );
+  }
+
+  return <Text {...props}>{children}</Text>;
+};