{{-- Search Bar --}}
<form action="{{ route('admin.sales.index') }}" method="GET"
    class="flex flex-col lg:flex-row lg:items-center flex-wrap gap-3 mb-8"
    @submit.prevent="fetchTabData('invoices')">
    
    <input type="hidden" name="tab" value="invoices">

    <div class="relative group flex-1 min-w-[280px]">
        <span class="absolute inset-y-0 left-0 flex items-center pl-4 pointer-events-none z-10">
            <svg class="w-4 h-4 text-slate-400 group-focus-within:text-cyan-500 transition-colors stroke-[2.5]"
                viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round"
                stroke-linejoin="round">
                <circle cx="11" cy="11" r="8"></circle>
                <line x1="21" y1="21" x2="16.65" y2="16.65"></line>
            </svg>
        </span>
        <input type="text" name="search" value="{{ $filters['search'] }}"
            class="py-2.5 pl-12 pr-6 block w-full luxury-input"
            placeholder="{{ __('Search Invoice No / Flow ID...') }}">
    </div>

    <div class="w-full lg:w-48">
        <x-searchable-select name="machine_id" :placeholder="__('All Machines')" :selected="$filters['machine_id']" 
            @change="$el.closest('form').dispatchEvent(new Event('submit'))">
            @foreach($machines as $m)
                <option value="{{ $m->id }}" {{ $filters['machine_id'] == $m->id ? 'selected' : '' }} data-title="{{ $m->name }}">
                    {{ $m->name }}
                </option>
            @endforeach
        </x-searchable-select>
    </div>

    {{-- 日期範圍 --}}
    <div class="relative group w-full lg:w-72 lg:flex-none" 
         x-data="{ fp: null }" 
         x-init="fp = flatpickr($refs.dateRange, { 
            mode: 'range',
            dateFormat: 'Y-m-d H:i',
            enableTime: true,
            time_24hr: true,
            defaultHour: 0,
            defaultMinute: 0,
            locale: '{{ app()->getLocale() == 'zh_TW' ? 'zh_tw' : 'en' }}',
            defaultDate: '{{ $filters['start_date'] }}' && '{{ $filters['end_date'] }}' ? ['{{ $filters['start_date'] }}', '{{ $filters['end_date'] }}'] : [],
            onChange: function(selectedDates, dateStr, instance) {
                if (selectedDates.length === 2) {
                    $refs.startDate.value = instance.formatDate(selectedDates[0], 'Y-m-d H:i');
                    $refs.endDate.value = instance.formatDate(selectedDates[1], 'Y-m-d H:i');
                    $el.closest('form').dispatchEvent(new Event('submit'));
                } else if (selectedDates.length === 0) {
                    $refs.startDate.value = '';
                    $refs.endDate.value = '';
                    $el.closest('form').dispatchEvent(new Event('submit'));
                }
            }
         })">
        <span class="absolute inset-y-0 left-0 flex items-center pl-4 pointer-events-none z-10 text-slate-400 group-focus-within:text-cyan-500 transition-colors">
            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" /></svg>
        </span>
        <input type="hidden" name="start_date" x-ref="startDate" value="{{ $filters['start_date'] }}">
        <input type="hidden" name="end_date" x-ref="endDate" value="{{ $filters['end_date'] }}">
        <input type="text" x-ref="dateRange" 
            value="{{ $filters['start_date'] && $filters['end_date'] ? $filters['start_date'] . ' 至 ' . $filters['end_date'] : ($filters['start_date'] ?: '') }}"
            placeholder="{{ __('Select Date Range') }}" class="luxury-input py-2.5 pl-12 pr-6 block w-full text-sm font-bold cursor-pointer">
    </div>

    <div class="flex items-center gap-2 ml-auto lg:ml-0 shrink-0">
        <button type="submit"
            class="p-2.5 rounded-xl bg-cyan-500 text-white hover:bg-cyan-600 shadow-lg shadow-cyan-500/25 transition-all active:scale-95"
            title="{{ __('Search') }}">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"
                stroke-width="2.5">
                <path stroke-linecap="round" stroke-linejoin="round"
                    d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
            </svg>
        </button>
        <button type="button"
            @click="switchTab('invoices', '{{ route('admin.sales.index', ['tab' => 'invoices']) }}')"
            class="p-2.5 rounded-xl bg-slate-100 dark:bg-slate-800 text-slate-500 dark:text-slate-400 hover:bg-slate-200 dark:hover:bg-slate-700 transition-all active:scale-95 border border-slate-200 dark:border-slate-700"
            title="{{ __('Reset') }}">
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"
                stroke-width="2.5">
                <path stroke-linecap="round" stroke-linejoin="round"
                    d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
            </svg>
        </button>
    </div>
</form>

{{-- Table (Desktop) --}}
<div class="hidden xl:block overflow-x-auto">
    <table class="w-full text-left border-separate border-spacing-0">
        <thead>
            <tr class="bg-slate-50/50 dark:bg-slate-900/10">
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800">
                    {{ __('Invoice Number') }}
                </th>
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800">
                    {{ __('Invoice Date') }}
                </th>
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800">
                    {{ __('Machine') }}
                </th>
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800">
                    {{ __('Amount') }}
                </th>
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800">
                    {{ __('Status') }}
                </th>
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800">
                    {{ __('Associated Order') }}
                </th>
                <th class="px-6 py-4 text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-[0.15em] border-b border-slate-100 dark:border-slate-800 text-right">
                    {{ __('Action') }}
                </th>
            </tr>
        </thead>
        <tbody class="divide-y divide-slate-100 dark:divide-slate-800/80">
            @forelse($invoices as $invoice)
                <tr class="group hover:bg-slate-50/50 dark:hover:bg-white/[0.02] transition-colors duration-200 cursor-pointer" @click="openDetail({{ $invoice->order_id }})">
                    <td class="px-6 py-6">
                        <div class="flex flex-col">
                            <span class="text-base font-extrabold text-slate-800 dark:text-slate-100 group-hover:text-cyan-600 dark:group-hover:text-cyan-400 transition-colors">
                                {{ $invoice->invoice_no }}
                            </span>
                            <span class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mt-1">
                                {{ ($invoice->machine_time ?? $invoice->created_at)->format('Y-m-d H:i:s') }}
                            </span>
                        </div>
                    </td>
                    <td class="px-6 py-6">
                        <span class="text-sm font-bold text-slate-600 dark:text-slate-300 bg-slate-50 dark:bg-slate-800/50 px-2 py-1 rounded-md">
                            {{ $invoice->invoice_date }}
                        </span>
                    </td>
                    <td class="px-6 py-6">
                        <div class="text-sm font-extrabold text-slate-800 dark:text-slate-100 tracking-tight">
                            {{ $invoice->machine->name ?? ($invoice->order->machine->name ?? 'Unknown') }}
                        </div>
                        <div class="text-[10px] font-bold text-slate-400 uppercase tracking-[0.2em]">
                            {{ $invoice->machine->serial_no ?? ($invoice->order->machine->serial_no ?? '---') }}
                        </div>
                    </td>
                    <td class="px-6 py-6">
                        <span class="text-base font-black text-slate-800 dark:text-white tracking-tight">
                            ${{ number_format($invoice->amount, 0) }}
                        </span>
                    </td>
                    <td class="px-6 py-6 whitespace-nowrap">
                        @php
                            // 簡單判斷：如果有發票號碼且 rtn_code 為空或 0/1 則視為有效
                            $status = 'valid';
                            if (empty($invoice->invoice_no)) $status = 'failed';
                            if ($invoice->rtn_code === 'void') $status = 'void';
                            
                            $statusMap = [
                                'valid' => ['label' => __('Valid'), 'color' => 'emerald'],
                                'void' => ['label' => __('Void'), 'color' => 'rose'],
                                'failed' => ['label' => __('Failed'), 'color' => 'rose'],
                                'refunded' => ['label' => __('Refunded'), 'color' => 'slate'],
                            ];
                            $s = $statusMap[$status] ?? ['label' => $status, 'color' => 'slate'];
                        @endphp
                        <x-status-badge :color="$s['color']" :label="$s['label']" size="xs" />
                    </td>
                    <td class="px-6 py-6">
                        <span class="text-sm font-black text-slate-600 dark:text-slate-400 bg-slate-50 dark:bg-slate-800 px-3 py-1 rounded-lg border border-slate-100 dark:border-slate-700">
                            {{ $invoice->order->order_no ?? '---' }}
                        </span>
                    </td>
                    <td class="px-6 py-6 text-right">
                        <button class="p-2.5 rounded-xl text-slate-400 hover:text-cyan-500 hover:bg-cyan-500/5 dark:hover:bg-cyan-500/10 border border-transparent hover:border-cyan-500/20 transition-all">
                            <svg class="w-4 h-4 stroke-[2.5]" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z" />
                                <path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z" />
                            </svg>
                        </button>
                    </td>
                </tr>
            @empty
                <tr>
                    <td colspan="6" class="py-20 text-center">
                        <x-empty-state mode="table" colspan="6" :message="__('No invoices found')" />
                    </td>
                </tr>
            @endforelse
        </tbody>
    </table>
</div>

{{-- Mobile Cards (xl:hidden) --}}
<div class="xl:hidden grid grid-cols-1 md:grid-cols-2 gap-6">
    @forelse($invoices as $invoice)
        <div class="luxury-card p-6 rounded-[2rem] border border-slate-100 dark:border-slate-800 bg-white/50 dark:bg-slate-900/50 transition-all duration-300 group">
            @php
                $status = 'valid';
                if (empty($invoice->invoice_no)) $status = 'failed';
                if ($invoice->rtn_code === 'void') $status = 'void';
                $statusMap = [
                    'valid' => ['label' => __('Valid'), 'color' => 'emerald'],
                    'void' => ['label' => __('Void'), 'color' => 'rose'],
                    'failed' => ['label' => __('Failed'), 'color' => 'rose'],
                    'refunded' => ['label' => __('Refunded'), 'color' => 'slate'],
                ];
                $s = $statusMap[$status] ?? ['label' => $status, 'color' => 'slate'];
            @endphp

            {{-- Card Header --}}
            <div class="flex items-start justify-between gap-4 mb-6">
                <div class="flex items-center gap-4 min-w-0">
                    <div class="w-14 h-14 rounded-2xl bg-slate-100 dark:bg-slate-800 flex items-center justify-center text-slate-400 border border-slate-200 dark:border-slate-700 group-hover:bg-cyan-500 group-hover:text-white transition-all duration-300 overflow-hidden shadow-sm shrink-0">
                        <svg class="w-7 h-7" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/>
                        </svg>
                    </div>
                    <div class="min-w-0">
                        <h3 class="text-base font-extrabold text-slate-800 dark:text-slate-100 truncate hover:text-cyan-600 dark:hover:text-cyan-400 transition-colors tracking-tight">
                            {{ $invoice->invoice_no }}
                        </h3>
                        <div class="flex items-center gap-2 mt-1">
                            <span class="px-1.5 py-0.5 rounded bg-cyan-50 dark:bg-cyan-500/10 text-[9px] font-black text-cyan-600 dark:text-cyan-400 border border-cyan-100 dark:border-cyan-500/20">
                                {{ $invoice->invoice_date }}
                            </span>
                            <p class="text-[10px] font-bold text-slate-400 dark:text-slate-500 uppercase tracking-widest truncate">
                                {{ ($invoice->machine_time ?? $invoice->created_at)->format('Y-m-d H:i:s') }}
                            </p>
                        </div>
                    </div>
                </div>
                <x-status-badge :color="$s['color']" :label="$s['label']" size="sm" />
            </div>

            {{-- Info Grid --}}
            <div class="grid grid-cols-2 gap-y-4 mb-6 border-y border-slate-100 dark:border-slate-800/50 py-4">
                <div>
                    <p class="text-[10px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-widest mb-1">{{ __('Machine') }}</p>
                    <p class="text-sm font-bold text-slate-700 dark:text-slate-300 truncate">
                        {{ $invoice->machine->name ?? ($invoice->order->machine->name ?? 'Unknown') }}
                    </p>
                    <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mt-0.5">
                        {{ $invoice->machine->serial_no ?? ($invoice->order->machine->serial_no ?? '---') }}
                    </p>
                </div>
                <div>
                    <p class="text-[10px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-widest mb-1">{{ __('Amount') }}</p>
                    <p class="text-base font-black text-cyan-600 dark:text-cyan-400">${{ number_format($invoice->amount, 0) }}</p>
                </div>
                <div>
                    <p class="text-[10px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-widest mb-1">{{ __('Associated Order') }}</p>
                    <p class="text-sm font-bold text-slate-700 dark:text-slate-300 truncate">
                        {{ $invoice->order->order_no ?? '---' }}
                    </p>
                </div>
                <div>
                    <p class="text-[10px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-widest mb-1">{{ __('Machine Time') }}</p>
                    <p class="text-sm font-bold text-slate-700 dark:text-slate-300">
                        {{ ($invoice->machine_time ?? $invoice->created_at)->format('Y-m-d H:i:s') }}
                    </p>
                </div>
            </div>

            {{-- Action Buttons --}}
            <div class="flex items-center gap-3">
                <button @click="openDetail({{ $invoice->order_id }})" class="flex-1 flex items-center justify-center gap-2 py-3 rounded-xl bg-slate-50 dark:bg-slate-800 text-slate-600 dark:text-slate-300 font-black text-xs uppercase tracking-widest border border-slate-100 dark:border-slate-800 hover:text-cyan-500 hover:bg-cyan-500/5 transition-all duration-300">
                    <svg class="w-4 h-4 stroke-[2.5]" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z" />
                        <path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z" />
                    </svg>
                    {{ __('View Details') }}
                </button>
            </div>
        </div>
    @empty
        <div class="col-span-full py-10">
            <x-empty-state :message="__('No invoices found')" />
        </div>
    @endforelse
</div>

{{-- Pagination --}}
<div class="mt-8 border-t border-slate-100/50 dark:border-slate-800/50 pt-6">
    {{ $invoices->links('vendor.pagination.luxury', ['page_param' => 'invoices_page']) }}
</div>