@php
    $gridCols = !empty($centerCompose) ? 'grid-cols-5' : 'grid-cols-4';
    $avatarUrl = $avatarUrl ?? null;
    $initials = $initials ?? 'U';
    $notificationsUrl = $notificationsUrl ?? '#';
    $unreadUrl = $unreadUrl ?? null;
    $profileUrl = $profileUrl ?? '#';
    $profileName = trim((string) ($profileName ?? ''));
    $profileSubtitle = trim((string) ($profileSubtitle ?? ''));
    $profileMenuItems = $profileMenuItems ?? [];
    if ($profileMenuItems === [] && $profileUrl !== '#') {
        $profileMenuItems = [['type' => 'link', 'label' => 'Profile', 'href' => $profileUrl]];
    }
    $searchLabel = $searchLabel ?? 'Search';
    $navActive = fn (bool $active) => $active ? 'text-indigo-600' : 'text-slate-600';
@endphp
<div x-data="{ profileOpen: false }" class="lg:hidden">
    <nav class="fixed inset-x-0 bottom-0 z-40 border-t border-slate-200 bg-white"
         style="padding-bottom: env(safe-area-inset-bottom, 0px)">
        <div class="grid h-16 {{ $gridCols }}">
            <a href="{{ $homeUrl }}"
               class="flex flex-col items-center justify-center gap-1 px-2 py-2 transition hover:text-slate-900 {{ $navActive($homeActive ?? false) }}">
                <svg class="h-6 w-6" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="m2.25 12 8.954-8.955c.44-.439 1.152-.439 1.591 0L21.75 12M4.5 9.75v10.125c0 .621.504 1.125 1.125 1.125H9.75v-4.875c0-.621.504-1.125 1.125-1.125h2.25c.621 0 1.125.504 1.125 1.125V21h4.125c.621 0 1.125-.504 1.125-1.125V9.75M8.25 21h8.25"/></svg>
                <span class="text-[10px] font-medium">Home</span>
            </a>

            <a href="{{ $searchUrl }}"
               class="flex flex-col items-center justify-center gap-1 px-2 py-2 transition hover:text-slate-900 {{ $navActive($searchActive ?? false) }}">
                <svg class="h-6 w-6" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z"/></svg>
                <span class="text-[10px] font-medium">{{ $searchLabel }}</span>
            </a>

            @if (!empty($centerCompose))
                <div class="flex items-center justify-center">
                    <button type="button"
                            @click="$dispatch('compose-open')"
                            class="btn-fab -translate-y-1 ring-4 ring-white shadow-md"
                            aria-label="Compose">
                        <svg class="h-5 w-5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M16.862 4.487l1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Z"/></svg>
                    </button>
                </div>
            @endif

            <a href="{{ $notificationsUrl }}"
               @if ($unreadUrl)
                   x-data="{
                       unread: 0,
                       init() {
                           fetch({{ \Illuminate\Support\Js::from($unreadUrl) }}, {
                               headers: { Accept: 'application/json', 'X-Requested-With': 'XMLHttpRequest' },
                           }).then(r => r.json()).then(d => this.unread = d.unread_count || 0).catch(() => {});
                       },
                   }"
               @endif
               class="relative flex flex-col items-center justify-center gap-1 px-2 py-2 transition hover:text-slate-900 {{ $navActive($notificationsActive ?? false) }}">
                <svg class="h-6 w-6" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M14.857 17.082a23.848 23.848 0 0 0 5.454-1.31A8.967 8.967 0 0 1 18 9.75V9a6 6 0 1 0-12 0v.75a8.967 8.967 0 0 1-2.312 6.022c1.733.64 3.56 1.08 5.455 1.31m5.714 0a24.255 24.255 0 0 1-5.714 0m5.714 0a3 3 0 1 1-5.714 0"/></svg>
                @if ($unreadUrl)
                    <span x-show="unread > 0" x-cloak x-text="unread > 9 ? '9+' : unread"
                          class="absolute right-3 top-1.5 inline-flex min-w-4 items-center justify-center rounded-full bg-rose-500 px-1 py-0.5 text-[9px] font-semibold text-white"></span>
                @endif
                <span class="text-[10px] font-medium">Notifications</span>
            </a>

            <button type="button"
                    @click="profileOpen = true"
                    class="flex flex-col items-center justify-center gap-1 px-2 py-2 transition hover:text-slate-900 {{ $navActive($profileActive ?? false) }}"
                    :class="profileOpen ? 'text-indigo-600' : ''"
                    aria-label="Open profile menu">
                @if ($avatarUrl)
                    <img src="{{ $avatarUrl }}" alt="" class="h-7 w-7 rounded-full object-cover ring-1 ring-slate-200">
                @else
                    <span class="inline-flex h-7 w-7 items-center justify-center rounded-full bg-slate-900 text-[10px] font-semibold text-white">{{ $initials }}</span>
                @endif
                <span class="text-[10px] font-medium">Profile</span>
            </button>
        </div>
    </nav>

    {{-- Profile menu bottom sheet (matches desktop avatar dropdown) --}}
    <div x-show="profileOpen" x-cloak class="fixed inset-0 z-50" @keydown.escape.window="profileOpen = false">
        <div x-show="profileOpen" x-transition.opacity.duration.200ms
             @click="profileOpen = false"
             class="absolute inset-0 bg-slate-900/40 backdrop-blur-[1px]"></div>

        <div x-show="profileOpen"
             x-transition:enter="transition ease-out duration-300"
             x-transition:enter-start="translate-y-full"
             x-transition:enter-end="translate-y-0"
             x-transition:leave="transition ease-in duration-200"
             x-transition:leave-start="translate-y-0"
             x-transition:leave-end="translate-y-full"
             class="absolute inset-x-0 bottom-0 rounded-t-2xl border-t border-slate-200 bg-white shadow-2xl"
             style="padding-bottom: env(safe-area-inset-bottom, 0px)"
             @click.outside="profileOpen = false">
            <div class="flex justify-center pt-3">
                <span class="h-1 w-10 rounded-full bg-slate-200" aria-hidden="true"></span>
            </div>

            @if ($profileName !== '' || $profileSubtitle !== '')
                <div class="flex items-center gap-3 border-b border-slate-100 px-5 py-4">
                    @if ($avatarUrl)
                        <img src="{{ $avatarUrl }}" alt="" class="h-12 w-12 rounded-full object-cover ring-1 ring-slate-200">
                    @else
                        <span class="inline-flex h-12 w-12 items-center justify-center rounded-full bg-slate-900 text-sm font-semibold text-white">{{ $initials }}</span>
                    @endif
                    <div class="min-w-0">
                        @if ($profileName !== '')
                            <p class="truncate text-sm font-semibold text-slate-900">{{ $profileName }}</p>
                        @endif
                        @if ($profileSubtitle !== '')
                            <p class="truncate text-xs text-slate-500">{{ $profileSubtitle }}</p>
                        @endif
                    </div>
                </div>
            @endif

            <div class="space-y-1 p-2 pb-4">
                @foreach ($profileMenuItems as $item)
                    @if (($item['type'] ?? 'link') === 'link')
                        <a href="{{ $item['href'] }}"
                           @click="profileOpen = false"
                           class="block rounded-xl px-4 py-3 text-sm font-medium text-slate-700 transition hover:bg-slate-100">
                            {{ $item['label'] }}
                        </a>
                    @elseif (($item['type'] ?? '') === 'logout')
                        <form method="POST" action="{{ $item['action'] }}" class="border-t border-slate-100 pt-2">
                            @csrf
                            <button type="submit"
                                    class="w-full rounded-xl px-4 py-3 text-left text-sm font-medium text-rose-600 transition hover:bg-rose-50">
                                {{ $item['label'] }}
                            </button>
                        </form>
                    @endif
                @endforeach
            </div>
        </div>
    </div>
</div>