frontend/src/components/Layout.jsx

import { useState } from 'react';
import { useLocation } from 'react-router-dom';
import Sidebar from './Sidebar';
import { Menu, Zap } from 'lucide-react';
import { motion, AnimatePresence } from 'framer-motion';

export default function Layout({ children }) {
    const [sidebarOpen, setSidebarOpen] = useState(false);
    const location = useLocation();

    return (
        <div className="relative flex min-h-screen z-10">
            <Sidebar isOpen={sidebarOpen} onClose={() => setSidebarOpen(false)} />

            <main className="flex-1 min-h-screen flex flex-col">
                {/* Top bar */}
                <header className="flex items-center gap-4 px-4 sm:px-8 py-4 lg:py-5">
                    <button
                        onClick={() => setSidebarOpen(true)}
                        className="lg:hidden p-2.5 hover:bg-white/5 rounded-xl transition-all border border-white/[0.06] active:scale-95"
                    >
                        <Menu size={20} />
                    </button>

                    <div className="flex-1" />

                    {/* Status badge */}
                    <div className="flex items-center gap-3">
                        <div className="hidden sm:flex items-center gap-2 px-3 py-1.5 rounded-xl bg-white/[0.03] border border-white/[0.06] text-xs text-slate-400">
                            <Zap size={12} className="text-amber-400" />
                            <span>Models Loaded</span>
                        </div>
                        <div className="flex items-center gap-2 px-3 py-1.5 rounded-full bg-emerald-500/10 border border-emerald-500/20">
                            <span className="relative flex h-2 w-2">
                                <span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-emerald-400 opacity-75" />
                                <span className="relative inline-flex rounded-full h-2 w-2 bg-emerald-500" />
                            </span>
                            <span className="text-xs font-semibold text-emerald-400">Online</span>
                        </div>
                    </div>
                </header>

                {/* Content */}
                <div className="flex-1 px-4 sm:px-8 pb-8">
                    <AnimatePresence mode="wait">
                        <motion.div
                            key={location.pathname}
                            initial={{ opacity: 0, y: 16, filter: 'blur(4px)' }}
                            animate={{ opacity: 1, y: 0, filter: 'blur(0px)' }}
                            exit={{ opacity: 0, y: -8, filter: 'blur(4px)' }}
                            transition={{ duration: 0.35, ease: [0.4, 0, 0.2, 1] }}
                        >
                            {children}
                        </motion.div>
                    </AnimatePresence>
                </div>
            </main>
        </div>
    );
}