feat: add campaign configuration controls

components/ui/input.tsx

@@ -0,0 +1,22 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        ref={ref}
+        type={type}
+        className={cn(
+          "flex h-8 w-full rounded-md border border-input bg-background px-2.5 text-sm text-foreground file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 focus-visible:outline-none disabled:cursor-not-allowed disabled:opacity-50",
+          className,
+        )}
+        {...props}
+      />
+    );
+  },
+);
+Input.displayName = "Input";
+
+export { Input };