style: improve classname by clsx

app/components/input-range.tsx

@@ -1,5 +1,6 @@
 import * as React from "react";
 import styles from "./input-range.module.scss";
+import clsx from "clsx";
 
 interface InputRangeProps {
   onChange: React.ChangeEventHandler<HTMLInputElement>;
@@ -23,7 +24,7 @@ export function InputRange({
   aria,
 }: InputRangeProps) {
   return (
-    <div className={styles["input-range"] + ` ${className ?? ""}`}>
+    <div className={clsx(styles["input-range"], className)}>
       {title || value}
       <input
         aria-label={aria}