@php
  $children   = $projectMap->where('parent_id', $project->id)->values();
  $typeColors = [
    '開發' => ['bg' => '#138496', 'text' => '#fff'],
    '產品' => ['bg' => '#d97706', 'text' => '#fff'],
    '保固' => ['bg' => '#6f42c1', 'text' => '#fff'],
    '維護' => ['bg' => '#117a65', 'text' => '#fff'],
    '結束' => ['bg' => '#6c757d', 'text' => '#fff'],
  ];
  $tc   = $typeColors[$project->project_type] ?? ['bg' => '#6c757d', 'text' => '#fff'];
  $isRoot = $depth === 0;
@endphp
<tr class="{{ $isRoot ? 'fw-semibold' : '' }}" style="{{ !$isRoot ? 'background:#fafafa;' : '' }}">
  <td style="padding-left: {{ 12 + $depth * 22 }}px; border-left: {{ $depth > 0 ? '3px solid #e0e0e0' : 'none' }};">
    @if($depth === 0)
      <i class="bi bi-folder2-open text-primary me-1"></i>
    @elseif($children->isNotEmpty())
      <i class="bi bi-folder2 text-secondary me-1"></i>
    @else
      <i class="bi bi-file-earmark text-muted me-1" style="font-size:.8em"></i>
    @endif
    <a href="{{ route('projects.manage.show', $project) }}" class="text-decoration-none text-dark">
      {{ $project->name }}
    </a>
    @if($children->isNotEmpty())
      <span class="badge bg-light text-secondary border ms-1" style="font-size:.7em">{{ $children->count() }}</span>
    @endif
  </td>
  <td>
    <span class="badge" style="background:{{ $tc['bg'] }};color:{{ $tc['text'] }};font-size:.75em">
      {{ $project->project_type }}
    </span>
  </td>
  <td class="text-muted small">{{ $project->dev_tool ?? '—' }}</td>
  <td class="text-muted small text-nowrap">{{ $project->start_date ? \Carbon\Carbon::parse($project->start_date)->format('Y-m-d') : '—' }}</td>
  <td class="text-muted small text-nowrap">{{ $project->end_date   ? \Carbon\Carbon::parse($project->end_date)->format('Y-m-d')   : '—' }}</td>
  <td class="text-center">
    <span class="badge bg-secondary" style="font-size:.7em">{{ $project->members->count() }}</span>
  </td>
  <td class="text-nowrap">
    <a href="{{ route('projects.manage.show', $project) }}" class="btn btn-sm btn-outline-primary py-0 px-2"><i class="bi bi-box-arrow-in-right me-1"></i>進入</a>
  </td>
</tr>
@if($depth < 5)
  @foreach($children->sortBy('name') as $child)
    @include('projects._project_row', ['project' => $child, 'depth' => $depth + 1, 'projectMap' => $projectMap])
  @endforeach
@endif