marmarislocal/app/[locale]/admin/layout.tsx

'use client'

import { signOut } from 'next-auth/react'
import { Link, usePathname } from '@/i18n/routing'
import { LayoutDashboard, FileText, Inbox, ClipboardList, Map, LogOut, Menu, X, Globe, Calendar, Trash2 } from 'lucide-react'
import { useState } from 'react'

export default function AdminLayout({ children }: { children: React.ReactNode }) {
  const pathname = usePathname()
  const [sidebarOpen, setSidebarOpen] = useState(false)

  const navigation = [
    { name: 'Dashboard', href: '/admin', icon: LayoutDashboard },
    { name: 'Mekanlar', href: '/admin/listings', icon: ClipboardList },
    { name: 'Etkinlikler', href: '/admin/events', icon: Calendar },
    { name: 'Yazılar (Blog)', href: '/admin/blog', icon: FileText },
    { name: 'Seçkiler (Kürasyon)', href: '/admin/collections', icon: ClipboardList },
    { name: 'Widget Ortakları', href: '/admin/widget-partners', icon: Globe },
    { name: 'Başvurular', href: '/admin/submissions', icon: FileText },
    { name: 'Mesajlar', href: '/admin/messages', icon: Inbox },
    { name: 'Kategoriler', href: '/admin/categories', icon: LayoutDashboard },
    { name: 'Mahalleler', href: '/admin/neighborhoods', icon: Map },
    { name: 'Çöp Kutusu', href: '/admin/trash', icon: Trash2 },
  ]

  return (
    <div className="min-h-screen bg-stone text-ink flex font-sans">
      {/* Mobile sidebar backdrop */}
      {sidebarOpen && (
        <div 
          className="fixed inset-0 z-40 bg-pine/80 lg:hidden"
          onClick={() => setSidebarOpen(false)}
        />
      )}

      {/* Sidebar */}
      <div className={`
        fixed inset-y-0 left-0 z-50 w-64 bg-pine border-r border-white/10 
        transform transition-transform duration-200 ease-in-out lg:translate-x-0 lg:static lg:inset-0
        ${sidebarOpen ? 'translate-x-0' : '-translate-x-full'}
      `}>
        <div className="h-full flex flex-col justify-between">
          <div>
            {/* Sidebar Brand Header */}
            <div className="h-20 flex items-center px-6 border-b border-white/10 gap-3">
              <Link href="/" className="flex items-center gap-2.5">
                <div className="w-9 h-9 rounded-full border border-stone/30 flex items-center justify-center relative bg-paper shrink-0">
                  <div className="absolute inset-[2px] rounded-full border border-dashed border-turquoise/50" />
                  <span className="font-heading font-extrabold text-pine text-xs tracking-tighter">ML</span>
                </div>
                <div>
                  <h1 className="font-heading font-extrabold text-sm text-stone tracking-tight leading-none lowercase">
                    marmaris <span className="text-turquoise">local</span>
                  </h1>
                  <span className="text-[8px] font-mono text-shutter tracking-wider uppercase">backoffice</span>
                </div>
              </Link>
              <button 
                className="ml-auto lg:hidden text-stone/70 hover:text-stone"
                onClick={() => setSidebarOpen(false)}
              >
                <X className="h-5 w-5" />
              </button>
            </div>
            
            {/* Navigation links */}
            <nav className="px-3 py-6 space-y-1.5 overflow-y-auto">
              {navigation.map((item) => {
                const isActive = pathname === item.href || (item.href !== '/admin' && pathname.startsWith(item.href))
                return (
                  <Link
                    key={item.name}
                    href={item.href}
                    onClick={() => setSidebarOpen(false)}
                    className={`
                      flex items-center px-4 py-3 text-xs font-semibold rounded-xl transition-all duration-150
                      ${isActive 
                        ? 'bg-white/5 border-l-4 border-turquoise text-stone pl-3' 
                        : 'text-stone/75 hover:bg-white/5 hover:text-stone'}
                    `}
                  >
                    <item.icon className={`mr-3 flex-shrink-0 h-4.5 w-4.5 ${isActive ? 'text-turquoise' : 'text-stone/50'}`} />
                    {item.name}
                  </Link>
                )
              })}
            </nav>
          </div>
          
          {/* Logout Action */}
          <div className="p-4 border-t border-white/10">
            <button
              onClick={() => signOut({ callbackUrl: '/' })}
              className="flex w-full items-center px-4 py-3 text-xs font-semibold text-red-400 hover:text-red-300 rounded-xl hover:bg-red-950/20 transition-colors"
            >
              <LogOut className="mr-3 h-4.5 w-4.5 text-red-400/70" />
              Çıkış Yap
            </button>
          </div>
        </div>
      </div>

      {/* Main content */}
      <div className="flex-1 flex flex-col min-w-0 overflow-hidden">
        {/* Mobile Header Bar */}
        <header className="h-16 flex items-center lg:hidden bg-pine border-b border-white/10 px-4 shrink-0 text-stone">
          <button
            onClick={() => setSidebarOpen(true)}
            className="text-stone hover:text-turquoise focus:outline-none"
          >
            <Menu className="h-6 w-6" />
          </button>
          <div className="ml-4 flex items-center gap-2">
            <div className="w-8 h-8 rounded-full border border-stone/20 flex items-center justify-center relative bg-paper shrink-0">
              <span className="font-heading font-extrabold text-pine text-[10px] tracking-tighter">ML</span>
            </div>
            <span className="text-sm font-heading font-bold lowercase">marmaris local <span className="text-turquoise">backoffice</span></span>
          </div>
        </header>
        
        {/* Page Area */}
        <main className="flex-1 overflow-y-auto p-4 sm:p-6 lg:p-8">
          {children}
        </main>
      </div>
    </div>
  )
}