first commit

components/themeSwitcher/themeSwitcher.tsx

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+"use client"
+
+import * as React from "react"
+import { Moon, Sun, Monitor } from "lucide-react"
+import { useTheme } from "next-themes"
+
+import { Button } from "@/components/ui/button"
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu"
+
+export function ThemeSwitcher() {
+  const { setTheme } = useTheme()
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button variant="outline" size="icon" className="h-9 w-9 rounded-md border-zinc-200 dark:border-zinc-800">
+          <Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
+          <Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
+          <span className="sr-only">Toggle theme</span>
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent align="end" className="bg-popover border-zinc-200 dark:border-zinc-800">
+        <DropdownMenuItem onClick={() => setTheme("light")}>
+            <Sun className="mr-2 h-4 w-4" />
+            <span>Light</span>
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={() => setTheme("dark")}>
+            <Moon className="mr-2 h-4 w-4" />
+            <span>Dark</span>
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={() => setTheme("system")}>
+            <Monitor className="mr-2 h-4 w-4" />
+            <span>System</span>
+        </DropdownMenuItem>
+      </DropdownMenuContent>
+    </DropdownMenu>
+  )
+}