import { useState, useEffect } from 'react';
import { useRouter } from 'next/router';
import Link from 'next/link';
import { useTheme } from '../lib/theme-context';
import MobileNavigation from './MobileNavigation';

// User Profile Dropdown Component
function UserProfileDropdown({ user, onMobileMenuClose }) {
  // Hook order is fixed for both branches; do not move this below the
  // null-user early return — see rules-of-hooks (AGENTS.md Gotcha #11.5).
  const [isDropdownOpen, setIsDropdownOpen] = useState(false);

  // Logged-out: replace avatar + email + dropdown with a Sign-in CTA.
  if (!user) {
    return (
      <Link href="/login">
        <div
          className="w-full flex items-center px-4 py-3 rounded-2xl transition-all duration-200 focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2 nav-item-hover cursor-pointer"
          style={{
            backgroundColor: 'transparent',
            color: 'var(--text-primary)',
            '--tw-ring-color': 'var(--accent-ember)',
            '--tw-ring-offset-color': 'var(--bg-secondary)'
          }}
          onClick={onMobileMenuClose}
        >
          <div className="h-8 w-8 logo-container mr-3 flex items-center justify-center">
            <svg className="h-4 w-4 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M11 16l-4-4m0 0l4-4m-4 4h14m-5 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
            </svg>
          </div>
          <span className="font-medium text-sm">Sign in</span>
        </div>
      </Link>
    );
  }

  const profileMenuItems = [
    { name: 'Profile', href: '/profile', icon: 'user' },
    { name: 'Settings', href: '/settings', icon: 'settings' },
    ...(user?.role === 'admin' ? [
      { name: 'Admin Panel', href: '/admin', icon: 'admin' }
    ] : []),
    { name: 'Logout', href: '/logout', icon: 'logout', isLogout: true }
  ];

  const getProfileIcon = (iconName) => {
    const icons = {
      user: (
        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
        </svg>
      ),
      settings: (
        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
        </svg>
      ),
      admin: (
        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z" />
        </svg>
      ),
      logout: (
        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
        </svg>
      )
    };
    return icons[iconName] || icons.user;
  };

  return (
    <div className="relative">
      {/* Dropdown Menu */}
      {isDropdownOpen && (
        <>
          {/* Backdrop */}
          <div 
            className="fixed inset-0 z-10" 
            onClick={() => setIsDropdownOpen(false)}
          />
          
          {/* Menu */}
          <div className="absolute bottom-full left-0 right-0 mb-2 bg-white dark:bg-gray-800 rounded-xl shadow-2xl border z-20" style={{ backgroundColor: 'var(--bg-primary)', borderColor: 'var(--border)' }}>
            <div className="py-2">
              {profileMenuItems.map((item) => (
                <Link key={item.name} href={item.href}>
                  <div
                    className={`
                      flex items-center px-4 py-3 text-sm transition-all duration-200 cursor-pointer
                      hover:bg-gray-50 dark:hover:bg-gray-700
                      ${item.isLogout ? 'text-red-600 dark:text-red-400' : ''}
                    `}
                    style={{
                      color: item.isLogout ? 'var(--accent-ember)' : 'var(--text-primary)'
                    }}
                    onClick={() => {
                      setIsDropdownOpen(false);
                      onMobileMenuClose();
                    }}
                  >
                    <span className="mr-3" aria-hidden="true">{getProfileIcon(item.icon)}</span>
                    <span className="font-medium">{item.name}</span>
                  </div>
                </Link>
              ))}
            </div>
          </div>
        </>
      )}

      {/* Profile Button */}
      <button
        onClick={() => setIsDropdownOpen(!isDropdownOpen)}
        className="w-full flex items-center px-4 py-3 rounded-2xl transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 nav-item-hover"
        style={{ 
          backgroundColor: 'transparent',
          color: 'var(--text-secondary)',
          '--tw-ring-color': 'var(--accent-ember)',
          '--tw-ring-offset-color': 'var(--bg-secondary)'
        }}
        aria-expanded={isDropdownOpen}
        aria-haspopup="menu"
      >
        <div className="h-8 w-8 logo-container mr-3">
          <span className="text-white text-xs font-medium">
            {user?.email?.charAt(0).toUpperCase() || 'G'}
          </span>
        </div>
        <div className="flex-1 text-left">
          <p className="text-sm font-medium truncate" style={{ color: 'var(--text-primary)' }}>
            {user?.email || 'Guest'}
          </p>
          <p className="text-xs" style={{ color: 'var(--text-secondary)' }}>
            {user?.role || 'visitor'}
          </p>
        </div>
        <svg 
          className={`w-4 h-4 transition-transform duration-200 ${isDropdownOpen ? 'rotate-180' : ''}`}
          fill="none" 
          stroke="currentColor" 
          viewBox="0 0 24 24"
        >
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
        </svg>
      </button>
    </div>
  );
}

// Navigation Content Component - Shared between desktop and mobile
function NavigationContent({ user, router, onItemClick }) {
  const [isCommunityExpanded, setIsCommunityExpanded] = useState(
    router.pathname.startsWith('/community')
  );
  const [lastCommunityPath, setLastCommunityPath] = useState(router.pathname);

  if (
    router.pathname.startsWith('/community') &&
    router.pathname !== lastCommunityPath
  ) {
    setLastCommunityPath(router.pathname);
    if (!isCommunityExpanded) {
      setIsCommunityExpanded(true);
    }
  } else if (router.pathname !== lastCommunityPath) {
    setLastCommunityPath(router.pathname);
  }

  // Navigation structure for authenticated users
  const authenticatedNavigation = user ? [
    { name: 'Activity', href: '/activity', icon: 'activity', active: router.pathname === '/activity', isPlaceholder: true }
  ] : [];

  // My Collection section (only for authenticated users)
  const myCollectionNavigation = user ? {
    name: 'My Collection',
    href: '/dashboard',
    icon: 'collection',
    active: router.pathname === '/dashboard' || router.pathname === '/collections' || router.pathname === '/my-cards' || router.pathname === '/decks' || router.pathname === '/analytics',
    expanded: true,
    items: [
      { name: 'Lists', href: '/collections', active: router.pathname === '/collections' },
      { name: 'Cards', href: '/my-cards', active: router.pathname === '/my-cards' },
      { name: 'Decks', href: '/decks', active: router.pathname === '/decks' },
      { name: 'Analytics', href: '/analytics', active: router.pathname === '/analytics', isPlaceholder: true }
    ]
  } : null;

  // Always visible navigation (public + authenticated)
  const publicNavigation = [
    { name: 'Cards', href: '/cards', icon: 'card', active: router.pathname === '/cards' },
    { name: 'Scanner', href: '/scanner', icon: 'scanner', active: router.pathname === '/scanner' },
    { name: 'Deck Builder', href: '/deck-builder', icon: 'deck', active: router.pathname === '/deck-builder', isPlaceholder: true }
  ];

  // Admin navigation (only for admin users)
  const adminNavigation = (user?.role === 'admin') ? [
    { name: 'Admin Tools', href: '/admin/card-editor', icon: 'admin', active: router.pathname.startsWith('/admin'), badge: 'ADMIN' }
  ] : [];

  const communityNavigation = {
    name: 'Community',
    icon: 'community',
    active: router.pathname.startsWith('/community'),
    expanded: isCommunityExpanded,
    items: [
      { name: 'Lists', href: '/community/collections', active: router.pathname === '/community/collections' },
      { name: 'Decks', href: '/community/decks', active: router.pathname === '/community/decks' },
      { name: 'Forums', href: '/community/forums', active: router.pathname === '/community/forums' }
    ]
  };

  const getIcon = (iconName) => {
    const icons = {
      grid: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6a2 2 0 012-2h2a2 2 0 012 2v2a2 2 0 01-2 2H6a2 2 0 01-2-2V6zM14 6a2 2 0 012-2h2a2 2 0 012 2v2a2 2 0 01-2 2h-2a2 2 0 01-2-2V6zM4 16a2 2 0 012-2h2a2 2 0 012 2v2a2 2 0 01-2 2H6a2 2 0 01-2-2v-2zM14 16a2 2 0 012-2h2a2 2 0 012 2v2a2 2 0 01-2 2h-2a2 2 0 01-2-2v-2z" />
        </svg>
      ),
      collection: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4" />
        </svg>
      ),
      card: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 10h18M7 15h1m4 0h1m-7 4h12a3 3 0 003-3V8a3 3 0 00-3-3H6a3 3 0 00-3 3v8a3 3 0 003 3z" />
        </svg>
      ),
      deck: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
        </svg>
      ),
      analytics: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
        </svg>
      ),
      community: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197m13.5-9a2.5 2.5 0 11-5 0 2.5 2.5 0 015 0z" />
        </svg>
      ),
      settings: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
        </svg>
      ),
      logout: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
        </svg>
      ),
      admin: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
        </svg>
      ),
      notifications: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 17h5l-5 5v-5zM4.5 19.5L9 15m0 0l-4.5-4.5M9 15v5" />
        </svg>
      ),
      activity: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
        </svg>
      ),
      scanner: (
        <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 9a2 2 0 012-2h.93a2 2 0 001.664-.89l.812-1.22A2 2 0 0110.07 4h3.86a2 2 0 011.664.89l.812 1.22A2 2 0 0018.07 7H19a2 2 0 012 2v9a2 2 0 01-2 2H5a2 2 0 01-2-2V9z" />
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 13a3 3 0 11-6 0 3 3 0 016 0z" />
        </svg>
      )
    };
    return icons[iconName] || icons.grid;
  };

  return (
    <>
      {/* Authenticated User Navigation - Activity */}
      {authenticatedNavigation.map((item) => (
        <div key={item.name}>
          {item.isPlaceholder ? (
            <div 
              className="nav-item flex items-center justify-between px-4 py-3 rounded-2xl opacity-50 cursor-not-allowed"
              style={{
                backgroundColor: 'transparent',
                color: 'var(--text-secondary)'
              }}
            >
              <div className="flex items-center">
                <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
                <span className="font-medium">{item.name}</span>
              </div>
              <span className="text-xs px-2 py-1 rounded-full" style={{ backgroundColor: 'var(--bg-tertiary)', color: 'var(--text-secondary)' }}>
                Coming Soon
              </span>
            </div>
          ) : (
            <Link href={item.href}>
              <div 
                className={`
                  nav-item flex items-center justify-between px-4 py-3 rounded-2xl 
                  transition-all duration-200 cursor-pointer
                  focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
                  ${item.active 
                    ? 'shadow-lg nav-item-active' 
                    : 'hover:shadow-md nav-item-hover'
                  }
                `}
                style={{
                  backgroundColor: item.active ? 'var(--bg-tertiary)' : 'transparent',
                  color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)',
                  '--tw-ring-color': 'var(--accent-ember)',
                  '--tw-ring-offset-color': 'var(--bg-secondary)'
                }}
                onClick={onItemClick}
              >
                <div className="flex items-center">
                  <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
                  <span className="font-medium">{item.name}</span>
                </div>
              </div>
            </Link>
          )}
        </div>
      ))}

      {/* My Collection Section (only for authenticated users) */}
      {myCollectionNavigation && (
        <div className="space-y-1">
          {/* My Collection Header - Clickable */}
          <Link href={myCollectionNavigation.href}>
            <div 
              className={`
                nav-item flex items-center justify-between px-4 py-3 rounded-2xl 
                transition-all duration-200 cursor-pointer
                focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
                ${router.pathname === '/dashboard'
                  ? 'shadow-lg nav-item-active' 
                  : 'hover:shadow-md nav-item-hover'
                }
              `}
              style={{
                backgroundColor: router.pathname === '/dashboard' ? 'var(--bg-tertiary)' : 'transparent',
                color: router.pathname === '/dashboard' ? 'var(--text-primary)' : 'var(--text-secondary)',
                '--tw-ring-color': 'var(--accent-ember)',
                '--tw-ring-offset-color': 'var(--bg-secondary)'
              }}
              onClick={onItemClick}
            >
              <div className="flex items-center">
                <span className="mr-3" aria-hidden="true">{getIcon(myCollectionNavigation.icon)}</span>
                <span className="font-medium">{myCollectionNavigation.name}</span>
              </div>
            </div>
          </Link>

          {/* My Collection Sub-items */}
          {myCollectionNavigation.expanded && (
            <div className="ml-4 space-y-1 border-l-2 pl-4" style={{ borderColor: 'var(--border)' }}>
              {myCollectionNavigation.items.map((subItem) => (
                <div key={subItem.name}>
                  {subItem.isPlaceholder ? (
                    <div 
                      className="nav-item flex items-center justify-between px-4 py-2 rounded-xl opacity-50 cursor-not-allowed text-sm"
                      style={{
                        backgroundColor: 'transparent',
                        color: 'var(--text-secondary)'
                      }}
                    >
                      <span className="font-medium">{subItem.name}</span>
                      <span className="text-xs px-2 py-1 rounded-full" style={{ backgroundColor: 'var(--bg-tertiary)', color: 'var(--text-secondary)' }}>
                        Soon
                      </span>
                    </div>
                  ) : (
                    <Link href={subItem.href}>
                      <div 
                        className={`
                          nav-item flex items-center px-4 py-2 rounded-xl 
                          transition-all duration-200 cursor-pointer text-sm
                          focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
                          ${subItem.active 
                            ? 'shadow-md nav-item-active' 
                            : 'hover:shadow-sm nav-item-hover'
                          }
                        `}
                        style={{
                          backgroundColor: subItem.active ? 'var(--bg-tertiary)' : 'transparent',
                          color: subItem.active ? 'var(--text-primary)' : 'var(--text-secondary)',
                          '--tw-ring-color': 'var(--accent-ember)',
                          '--tw-ring-offset-color': 'var(--bg-secondary)'
                        }}
                        onClick={onItemClick}
                      >
                        <span className="font-medium">{subItem.name}</span>
                      </div>
                    </Link>
                  )}
                </div>
              ))}
            </div>
          )}
        </div>
      )}

      {/* Separator */}
      <div className="border-t pt-2 mt-4" style={{ borderColor: 'var(--border)' }}></div>

      {/* Public Navigation (always visible) */}
      {publicNavigation.map((item) => (
        <div key={item.name}>
          {item.isPlaceholder ? (
            <div 
              className="nav-item flex items-center justify-between px-4 py-3 rounded-2xl opacity-50 cursor-not-allowed"
              style={{
                backgroundColor: 'transparent',
                color: 'var(--text-secondary)'
              }}
            >
              <div className="flex items-center">
                <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
                <span className="font-medium">{item.name}</span>
              </div>
              <span className="text-xs px-2 py-1 rounded-full" style={{ backgroundColor: 'var(--bg-tertiary)', color: 'var(--text-secondary)' }}>
                Coming Soon
              </span>
            </div>
          ) : (
            <Link href={item.href}>
              <div 
                className={`
                  nav-item flex items-center justify-between px-4 py-3 rounded-2xl 
                  transition-all duration-200 cursor-pointer
                  focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
                  ${item.active 
                    ? 'shadow-lg nav-item-active' 
                    : 'hover:shadow-md nav-item-hover'
                  }
                `}
                style={{
                  backgroundColor: item.active ? 'var(--bg-tertiary)' : 'transparent',
                  color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)',
                  '--tw-ring-color': 'var(--accent-ember)',
                  '--tw-ring-offset-color': 'var(--bg-secondary)'
                }}
                onClick={onItemClick}
              >
                <div className="flex items-center">
                  <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
                  <span className="font-medium">{item.name}</span>
                </div>
              </div>
            </Link>
          )}
        </div>
      ))}

      {/* Community Section with Sub-items */}
      <div className="space-y-1">
        <div 
          className={`
            nav-item flex items-center justify-between px-4 py-3 rounded-2xl 
            transition-all duration-200 cursor-pointer
            focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
            ${communityNavigation.active 
              ? 'shadow-lg nav-item-active' 
              : 'hover:shadow-md nav-item-hover'
            }
          `}
          style={{
            backgroundColor: communityNavigation.active ? 'var(--bg-tertiary)' : 'transparent',
            color: communityNavigation.active ? 'var(--text-primary)' : 'var(--text-secondary)',
            '--tw-ring-color': 'var(--accent-ember)',
            '--tw-ring-offset-color': 'var(--bg-secondary)'
          }}
          onClick={() => setIsCommunityExpanded(!isCommunityExpanded)}
          role="menuitem"
          aria-expanded={isCommunityExpanded}
          aria-haspopup="menu"
          tabIndex={0}
          onKeyDown={(e) => {
            if (e.key === 'Enter' || e.key === ' ') {
              e.preventDefault();
              setIsCommunityExpanded(!isCommunityExpanded);
            }
          }}
        >
          <div className="flex items-center">
            <span className="mr-3" aria-hidden="true">{getIcon(communityNavigation.icon)}</span>
            <span className="font-medium">{communityNavigation.name}</span>
          </div>
          <svg 
            className={`w-4 h-4 transition-transform duration-200 ${isCommunityExpanded ? 'rotate-90' : ''}`}
            fill="none" 
            stroke="currentColor" 
            viewBox="0 0 24 24"
            aria-hidden="true"
          >
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
          </svg>
        </div>

        {/* Community Sub-items */}
        {isCommunityExpanded && (
          <div className="ml-4 space-y-1 border-l-2 pl-4" style={{ borderColor: 'var(--border)' }}>
            {communityNavigation.items.map((subItem) => (
              <Link key={subItem.name} href={subItem.href}>
                <div 
                  className={`
                    nav-item flex items-center px-4 py-2 rounded-xl 
                    transition-all duration-200 cursor-pointer text-sm
                    focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
                    ${subItem.active 
                      ? 'shadow-md nav-item-active' 
                      : 'hover:shadow-sm nav-item-hover'
                    }
                  `}
                  style={{
                    backgroundColor: subItem.active ? 'var(--bg-tertiary)' : 'transparent',
                    color: subItem.active ? 'var(--text-primary)' : 'var(--text-secondary)',
                    '--tw-ring-color': 'var(--accent-ember)',
                    '--tw-ring-offset-color': 'var(--bg-secondary)'
                  }}
                  onClick={onItemClick}
                  role="menuitem"
                  aria-current={subItem.active ? 'page' : undefined}
                  tabIndex={0}
                  onKeyDown={(e) => {
                    if (e.key === 'Enter' || e.key === ' ') {
                      e.preventDefault();
                      onItemClick();
                    }
                  }}
                >
                  <span className="font-medium">{subItem.name}</span>
                </div>
              </Link>
            ))}
          </div>
        )}
      </div>

      {/* Admin Navigation (if admin user) */}
      {adminNavigation.map((item) => (
        <Link key={item.name} href={item.href}>
          <div 
            className={`
              nav-item flex items-center justify-between px-4 py-3 rounded-2xl 
              transition-all duration-200 cursor-pointer
              focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2
              ${item.active 
                ? 'shadow-lg nav-item-active' 
                : 'hover:shadow-md nav-item-hover'
              }
            `}
            style={{
              backgroundColor: item.active ? 'var(--bg-tertiary)' : 'transparent',
              color: item.active ? 'var(--text-primary)' : 'var(--text-secondary)',
              '--tw-ring-color': 'var(--accent-ember)',
              '--tw-ring-offset-color': 'var(--bg-secondary)'
            }}
            onClick={onItemClick}
          >
            <div className="flex items-center">
              <span className="mr-3" aria-hidden="true">{getIcon(item.icon)}</span>
              <span className="font-medium">{item.name}</span>
            </div>
            {item.badge && (
              <span 
                className="px-2 py-1 text-xs rounded-full font-medium"
                style={{ 
                  backgroundColor: item.badge === 'ADMIN' ? 'var(--accent-ember)' : 'var(--accent-flame)', 
                  color: 'white' 
                }}
              >
                {item.badge}
              </span>
            )}
          </div>
        </Link>
      ))}
    </>
  );
}

export default function Layout({ children, user = null, showSearch = false }) {
  const router = useRouter();
  const { theme, toggleTheme } = useTheme();
  const [searchQuery, setSearchQuery] = useState('');
  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);

  return (
    <div className="flex h-screen" style={{ backgroundColor: 'var(--bg-primary)' }}>
      {/* Mobile Navigation - Bottom bar for mobile */}
      <MobileNavigation 
        onMenuOpen={() => setIsMobileMenuOpen(true)} 
      />

      {/* Mobile Overlay */}
      {isMobileMenuOpen && (
        <div 
          className="md:hidden fixed inset-0 bg-black bg-opacity-50 z-40"
          onClick={() => setIsMobileMenuOpen(false)}
        />
      )}

      {/* Mobile Menu Drawer - Slides in from left when "More" is tapped */}
      <div className={`
        md:hidden fixed inset-y-0 left-0 z-50 w-64 shadow-lg transform transition-transform duration-300 ease-in-out
        ${isMobileMenuOpen ? 'translate-x-0' : '-translate-x-full'}
      `} style={{ backgroundColor: 'var(--bg-secondary)', borderRight: '1px solid var(--border)' }}>
        <div className="p-4 h-full flex flex-col">
          {/* Mobile Header with Close Button */}
          <div className="flex justify-between items-center mb-4">
            <div className="flex items-center">
              <div className="w-10 h-10 logo-container mr-3">
                <span className="text-white font-bold text-sm">DH</span>
              </div>
              <h1 className="text-xl font-bold" style={{ color: 'var(--text-primary)' }}>Deck Hearth</h1>
            </div>
            <button
              onClick={() => setIsMobileMenuOpen(false)}
              className="p-2 rounded-lg focus:outline-none focus:ring-2 focus:ring-offset-2"
              style={{ 
                color: 'var(--text-secondary)',
                '--tw-ring-color': 'var(--accent-ember)',
                '--tw-ring-offset-color': 'var(--bg-secondary)'
              }}
              aria-label="Close navigation menu"
            >
              <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
              </svg>
            </button>
          </div>
          
          {/* Mobile Navigation Content */}
          <nav className="space-y-2 flex-1" role="navigation" aria-label="Mobile navigation">
            <NavigationContent 
              user={user} 
              router={router} 
              onItemClick={() => setIsMobileMenuOpen(false)} 
            />
          </nav>

          {/* Mobile Bottom Section */}
          <div className="mt-auto space-y-2">
            {/* User Profile Dropdown */}
            <UserProfileDropdown 
              user={user}
              onMobileMenuClose={() => setIsMobileMenuOpen(false)}
            />

            {/* Icon Buttons Row - Support and Dark Mode */}
            <div className="flex justify-center space-x-4 pt-2">
              {/* Support Icon Button */}
              <Link href="/support">
                <button 
                  className="p-3 rounded-xl transition-all duration-200 hover:shadow-md cursor-pointer nav-item-hover focus:outline-none focus:ring-2 focus:ring-offset-2"
                  style={{ 
                    backgroundColor: 'transparent',
                    color: 'var(--text-secondary)',
                    '--tw-ring-color': 'var(--accent-ember)',
                    '--tw-ring-offset-color': 'var(--bg-secondary)'
                  }}
                  onClick={() => setIsMobileMenuOpen(false)}
                  aria-label="Support"
                  title="Support"
                >
                  <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                  </svg>
                </button>
              </Link>

              {/* Theme Toggle Icon Button */}
              <button 
                onClick={toggleTheme}
                className="p-3 rounded-xl transition-all duration-200 hover:shadow-md focus:outline-none focus:ring-2 focus:ring-offset-2 nav-item-hover"
                style={{ 
                  backgroundColor: 'transparent',
                  color: 'var(--text-secondary)',
                  '--tw-ring-color': 'var(--accent-ember)',
                  '--tw-ring-offset-color': 'var(--bg-secondary)'
                }}
                aria-label={`Switch to ${theme === 'light' ? 'dark' : 'light'} mode`}
                title={`Switch to ${theme === 'light' ? 'dark' : 'light'} mode`}
              >
                {theme === 'light' ? (
                  <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" />
                  </svg>
                ) : (
                  <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
                  </svg>
                )}
              </button>
            </div>
          </div>
        </div>
      </div>

      {/* Desktop Sidebar - Hidden on mobile */}
      <div className="hidden md:flex md:static inset-y-0 left-0 w-64 shadow-lg" style={{ backgroundColor: 'var(--bg-secondary)', borderRight: '1px solid var(--border)' }}>
        <div className="p-4 h-full flex flex-col w-full">
          {/* Desktop Header */}
          <div className="flex items-center mb-8">
            <div className="w-10 h-10 logo-container mr-3">
              <span className="text-white font-bold text-sm">DH</span>
            </div>
            <h1 className="text-xl font-bold" style={{ color: 'var(--text-primary)' }}>Deck Hearth</h1>
          </div>
          
          {/* Desktop Navigation Content */}
          <nav className="space-y-2 flex-1" role="navigation" aria-label="Main navigation">
            <NavigationContent 
              user={user} 
              router={router} 
              onItemClick={() => {}} 
            />
          </nav>

          {/* Desktop Bottom Section */}
          <div className="mt-auto space-y-2">
            {/* User Profile Dropdown */}
            <UserProfileDropdown 
              user={user}
              onMobileMenuClose={() => {}}
            />

            {/* Icon Buttons Row - Support and Dark Mode */}
            <div className="flex justify-center space-x-4 pt-2">
              {/* Support Icon Button */}
              <Link href="/support">
                <button 
                  className="p-3 rounded-xl transition-all duration-200 hover:shadow-md cursor-pointer nav-item-hover focus:outline-none focus:ring-2 focus:ring-offset-2"
                  style={{ 
                    backgroundColor: 'transparent',
                    color: 'var(--text-secondary)',
                    '--tw-ring-color': 'var(--accent-ember)',
                    '--tw-ring-offset-color': 'var(--bg-secondary)'
                  }}
                  aria-label="Support"
                  title="Support"
                >
                  <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                  </svg>
                </button>
              </Link>

              {/* Theme Toggle Icon Button */}
              <button 
                onClick={toggleTheme}
                className="p-3 rounded-xl transition-all duration-200 hover:shadow-md focus:outline-none focus:ring-2 focus:ring-offset-2 nav-item-hover"
                style={{ 
                  backgroundColor: 'transparent',
                  color: 'var(--text-secondary)',
                  '--tw-ring-color': 'var(--accent-ember)',
                  '--tw-ring-offset-color': 'var(--bg-secondary)'
                }}
                aria-label={`Switch to ${theme === 'light' ? 'dark' : 'light'} mode`}
                title={`Switch to ${theme === 'light' ? 'dark' : 'light'} mode`}
              >
                {theme === 'light' ? (
                  <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" />
                  </svg>
                ) : (
                  <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
                  </svg>
                )}
              </button>
            </div>
          </div>
        </div>
      </div>

      {/* Main Content */}
      <div className="flex-1 flex flex-col pb-16 md:pb-0">
        {/* Top Header - Only show search on dashboard */}
        {showSearch && (
          <header className="p-6" style={{ backgroundColor: 'var(--bg-secondary)', borderBottom: '1px solid var(--border)' }}>
            <div className="flex items-center">
              <div className="flex-1 max-w-2xl">
                <div className="relative">
                  <input
                    type="text"
                    placeholder="Search cards, decks, or lists..."
                    className="search-bar pr-12"
                    value={searchQuery}
                    onChange={(e) => setSearchQuery(e.target.value)}
                  />
                  <div className="absolute inset-y-0 right-0 flex items-center pr-4">
                    <span className="text-sm" style={{ color: 'var(--text-secondary)' }}>⌘F</span>
                  </div>
                  <div className="absolute inset-y-0 left-0 flex items-center pl-4">
                    <svg className="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" style={{ color: 'var(--text-secondary)' }}>
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
                    </svg>
                  </div>
                </div>
              </div>
            </div>
          </header>
        )}

        {/* Page Content */}
        <main className="flex-1 overflow-auto">
          {children}
        </main>
      </div>
    </div>
  );
}