xnl-admin/app/components/mode-toggle.tsx

import { Moon, Sun } from 'lucide-react';
import { Theme, useTheme } from 'remix-themes';

import { Button } from './ui/button';

export function ModeToggle() {
    const [theme, setTheme] = useTheme();

    const toggleTheme = () => {
        setTheme(theme === Theme.DARK ? Theme.LIGHT : Theme.DARK);
    };

    return (
        <Button
            variant="ghost"
            size="icon"
            onClick={toggleTheme}
        >
            <Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-color dark:-rotate-90 dark:scale-0" />
            <Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-color dark:rotate-0 dark:scale-100" />
            <span className="sr-only">Toggle theme</span>
        </Button>
    );
}