{{-- resources/views/partials/alert.blade.php --}}
@php
  // Laravel 預設 flash key：success / info / warning / danger / error
  $types = [
      'success' => 'success',
      'info' => 'info',
      'warning' => 'warning',
      'danger' => 'danger',
      'error' => 'danger',
  ];
@endphp

@foreach ($types as $k => $bs)
  @if (session($k))
    <div class="alert alert-{{ $bs }} alert-dismissible fade show" role="alert">
      {{ session($k) }}
      <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
    </div>
  @endif
@endforeach

{{-- 顯示驗證錯誤 --}}
@if ($errors->any())
  <div class="alert alert-danger alert-dismissible fade show" role="alert">
    <ul class="mb-0">
      @foreach ($errors->all() as $err)
        <li>{{ $err }}</li>
      @endforeach
    </ul>
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
  </div>
@endif