src/app/dashboard/layout.tsx

"use client";

import Link from "next/link";
import { useAuth } from "@/lib/auth-context";
import { useRouter } from "next/navigation";
import { useEffect } from "react";
import { LayoutGrid, FileText, Zap, Settings, LogOut, Loader2, Terminal } from "lucide-react";

export default function DashboardLayout({ children }: { children: React.ReactNode }) {
  const { user, loading, logout } = useAuth();
  const router = useRouter();

  // Protect Route
  useEffect(() => {
    if (!loading && !user) router.push("/auth/signup");
  }, [user, loading, router]);

  if (loading) {
    return (
      <div className="h-screen bg-[#050505] flex items-center justify-center">
        <Loader2 className="w-5 h-5 text-amber-500 animate-spin" />
      </div>
    );
  }

  return (
    <div className="flex h-screen bg-[#050505] text-white font-sans overflow-hidden">
      {/* Console Sidebar */}
      <aside className="w-64 border-r border-white/10 flex flex-col bg-[#0A0A0A]">
        <div className="p-6 border-b border-white/10">
          <Link href="/" className="font-mono text-xs text-amber-500 tracking-[0.2em] uppercase flex items-center gap-2">
            <Terminal className="w-3 h-3" />
            Defrag // OS
          </Link>
        </div>
        
        <nav className="flex-1 p-4 space-y-1">
          {[
            { name: "Overview", icon: LayoutGrid, href: "/dashboard" },
            { name: "Blueprints", icon: FileText, href: "/dashboard/blueprints" },
            { name: "API Keys", icon: Zap, href: "/dashboard/keys" },
            { name: "Settings", icon: Settings, href: "/dashboard/settings" },
          ].map((item) => (
            <Link 
              key={item.name} 
              href={item.href}
              className="flex items-center gap-3 px-4 py-3 text-xs text-white/60 hover:text-white hover:bg-white/5 border-l-2 border-transparent hover:border-amber-500 transition-all font-mono uppercase tracking-wide rounded-r-md"
            >
              <item.icon className="w-4 h-4" />
              {item.name}
            </Link>
          ))}
        </nav>

        <div className="p-4 border-t border-white/10">
          <button 
            onClick={() => logout()}
            className="flex items-center gap-3 w-full px-4 py-3 text-xs text-red-400/60 hover:text-red-400 hover:bg-red-900/10 transition-all font-mono uppercase tracking-wide rounded-md"
          >
            <LogOut className="w-4 h-4" /> Terminate
          </button>
        </div>
      </aside>

      {/* Main Viewport */}
      <main className="flex-1 overflow-y-auto bg-[#050505] relative">
        {/* Background Grid */}
        <div className="absolute inset-0 bg-[linear-gradient(rgba(255,255,255,0.02)_1px,transparent_1px),linear-gradient(90deg,rgba(255,255,255,0.02)_1px,transparent_1px)] bg-[size:32px_32px] pointer-events-none" />
        
        <div className="p-8 relative z-10 max-w-6xl mx-auto">
            {children}
        </div>
      </main>
    </div>
  );
}