import { isElectron } from "../env";import { useStore } from "../store"; export default function DiffPanel() {  const { dispatch } = useStore();   return (    <aside className="flex h-full w-[400px] shrink-0 flex-col border-l border-border bg-card">      {/* Header */}      <div className={`flex items-center justify-between border-b border-border px-4 pb-3 ${isElectron ? "drag-region pt-[28px]" : "pt-3"}`}>        <h3 className="text-xs font-medium text-foreground">Uncommitted changes</h3>        <button          type="button"          className="text-muted-foreground/60 transition-colors duration-150 hover:text-muted-foreground"          onClick={() => dispatch({ type: "TOGGLE_DIFF" })}        >          <span className="text-sm">&times;</span>        </button>      </div>       {/* Placeholder content */}      <div className="flex-1 overflow-y-auto p-4">        <div className="space-y-3">          <div className="rounded-lg border border-border/80 bg-muted p-3">            <div className="mb-2 flex items-center gap-2">              <span className="rounded bg-emerald-500/20 px-1.5 py-0.5 text-[9px] font-medium text-emerald-400">                M              </span>              <span className="font-mono text-xs text-muted-foreground/80">src/App.tsx</span>            </div>            <div className="space-y-0.5 font-mono text-[11px]">              <div className="text-red-400/60">- const oldValue = "hello";</div>              <div className="text-emerald-400/60">+ const newValue = "world";</div>            </div>          </div>           <div className="rounded-lg border border-border/80 bg-muted p-3">            <div className="flex items-center gap-2">              <span className="rounded bg-blue-500/20 px-1.5 py-0.5 text-[9px] font-medium text-blue-400">                A              </span>              <span className="font-mono text-xs text-muted-foreground/80">src/utils.ts</span>            </div>          </div>        </div>         <p className="mt-6 text-center text-[10px] text-muted-foreground/30">          Diff integration coming soon        </p>      </div>    </aside>  );}