重构逐句视频播放器

src/app/(features)/srt-player/components/atoms/PlayButton.tsx

@@ -0,0 +1,20 @@
+"use client";
+
+import React from "react";
+import { useTranslations } from "next-intl";
+import LightButton from "@/components/ui/buttons/LightButton";
+import { PlayButtonProps } from "../../types/player";
+
+export default function PlayButton({ isPlaying, onToggle, disabled, className }: PlayButtonProps) {
+  const t = useTranslations("srt_player");
+  
+  return (
+    <LightButton
+      onClick={disabled ? undefined : onToggle}
+      disabled={disabled}
+      className={`px-4 py-2 ${className || ''}`}
+    >
+      {isPlaying ? t("pause") : t("play")}
+    </LightButton>
+  );
+}