frontend/src/lib/theme.ts

import { LS } from "@/lib/api"

/* 主题切换: data-theme (汝窑白 ru / 玄武黑 xuanwu) + .dark class (shadcn) */
export function applyTheme(t: string) {
  const name = t === "xuanwu" ? "xuanwu" : "ru"
  document.documentElement.dataset.theme = name
  document.documentElement.classList.toggle("dark", name === "xuanwu")
  LS.set("theme", name)
}