chore: initial Untitled UI Vite scaffold with FontAwesome Pro

src/components/base/input/hint-text.tsx

@@ -0,0 +1,31 @@
+import type { ReactNode, Ref } from "react";
+import type { TextProps as AriaTextProps } from "react-aria-components";
+import { Text as AriaText } from "react-aria-components";
+import { cx } from "@/utils/cx";
+
+interface HintTextProps extends AriaTextProps {
+    /** Indicates that the hint text is an error message. */
+    isInvalid?: boolean;
+    ref?: Ref<HTMLElement>;
+    children: ReactNode;
+}
+
+export const HintText = ({ isInvalid, className, ...props }: HintTextProps) => {
+    return (
+        <AriaText
+            {...props}
+            slot={isInvalid ? "errorMessage" : "description"}
+            className={cx(
+                "text-sm text-tertiary",
+
+                // Invalid state
+                isInvalid && "text-error-primary",
+                "group-invalid:text-error-primary",
+
+                className,
+            )}
+        />
+    );
+};
+
+HintText.displayName = "HintText";