{{-- 共用頁籤列 activeTab: list | activity | issues | myissues --}}
@php
  $activeTab  ??= 'list';
  $myTabCount = \App\Models\Issue::where('assigned_to_id', auth()->id())
      ->whereNotIn('status', ['completed', 'rejected'])->count();
@endphp
<div class="border-bottom bg-white sticky-top"
     style="z-index:100;margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px;">
  <div style="max-width:1400px;margin:0 auto;" class="d-flex align-items-center justify-content-between py-0">
    <ul class="nav nav-tabs border-0 gap-1">
      <li class="nav-item">
        <a class="nav-link fw-semibold {{ $activeTab === 'list' ? 'active' : 'text-secondary' }}"
           href="{{ route('projects.list') }}">
          <i class="bi bi-folder2-open me-1"></i>專案清單
        </a>
      </li>
      <li class="nav-item">
        <a class="nav-link {{ $activeTab === 'activity' ? 'fw-semibold active' : 'text-secondary' }}"
           href="{{ route('projects.activity') }}">
          <i class="bi bi-activity me-1"></i>活動
        </a>
      </li>
      <li class="nav-item">
        <a class="nav-link {{ $activeTab === 'issues' ? 'fw-semibold active' : 'text-secondary' }}"
           href="{{ route('projects.globalIssues') }}">
          <i class="bi bi-bug me-1"></i>議題清單
        </a>
      </li>
      <li class="nav-item">
        <a class="nav-link {{ $activeTab === 'myissues' ? 'fw-semibold active' : 'text-secondary' }}"
           href="{{ route('projects.globalIssues', ['assignee' => auth()->id()]) }}">
          <i class="bi bi-person-check me-1"></i>我的議題
          @if($myTabCount > 0)
            <span class="badge bg-danger ms-1" style="font-size:.7rem;">{{ $myTabCount }}</span>
          @endif
        </a>
      </li>
    </ul>
    <div class="d-flex align-items-center gap-2 py-2">
      @if($activeTab === 'list')
      <form method="GET" action="{{ route('projects.list') }}">
        <div class="input-group input-group-sm" style="width:200px;">
          <input type="text" name="search" value="{{ old('search', $search ?? '') }}"
            class="form-control" placeholder="搜尋專案／客戶">
          <button class="btn btn-primary" type="submit"><i class="bi bi-search"></i></button>
        </div>
      </form>
      @endif
    </div>
  </div>
</div>