<!-- Admin Dashboard -->
<div class="page animate-fade-in">
  <div class="page-header">
    <div>
      <h1>Dashboard</h1>
      <p class="page-subtitle">Overview of your assessment platform</p>
    </div>
  </div>

  @if (loading()) {
  <div class="loading-center">
    <div class="spinner spinner-lg"></div>
    <p class="loading-text">Loading statistics...</p>
  </div>
  } @else if (stats()) {
  <!-- Stats Cards -->
  <div class="stats-grid stagger-children">
    <div class="stat-card">
      <div class="stat-icon-wrap blue">
        <span class="material-symbols-rounded">group</span>
      </div>
      <div class="stat-body">
        <span class="stat-value">{{ stats().totalUsers }}</span>
        <span class="stat-label">Candidates</span>
      </div>
    </div>

    <div class="stat-card">
      <div class="stat-icon-wrap purple">
        <span class="material-symbols-rounded">badge</span>
      </div>
      <div class="stat-body">
        <span class="stat-value">{{ stats().totalHR }}</span>
        <span class="stat-label">HR Users</span>
      </div>
    </div>

    <div class="stat-card">
      <div class="stat-icon-wrap green">
        <span class="material-symbols-rounded">quiz</span>
      </div>
      <div class="stat-body">
        <span class="stat-value">{{ stats().totalQuizzes }}</span>
        <span class="stat-label">Quizzes</span>
      </div>
    </div>

    <div class="stat-card">
      <div class="stat-icon-wrap orange">
        <span class="material-symbols-rounded">assignment_turned_in</span>
      </div>
      <div class="stat-body">
        <span class="stat-value">{{ stats().totalSubmissions }}</span>
        <span class="stat-label">Submissions</span>
      </div>
    </div>

    <div class="stat-card">
      <div class="stat-icon-wrap teal">
        <span class="material-symbols-rounded">circle</span>
      </div>
      <div class="stat-body">
        <span class="stat-value">{{ stats().onlineUsers }}</span>
        <span class="stat-label">Online Now</span>
      </div>
    </div>
  </div>

  <!-- Quick Actions -->
  <div class="section">
    <h2 class="section-title">Quick Actions</h2>
    <div class="actions-grid">
      <a (click)="openInterviewPopup()" class="action-card card card-hover card-padding" style="cursor: pointer;">
        <span class="material-symbols-rounded action-icon">groups</span>
        <div class="action-info">
          <h3>Interviews</h3>
          <p>Manage group and individual interview evaluations</p>
        </div>
        <span class="material-symbols-rounded action-arrow">arrow_forward</span>
      </a>
      <a (click)="openUsersPopup()" class="action-card card card-hover card-padding" style="cursor: pointer;">
        <span class="material-symbols-rounded action-icon">group</span>
        <div class="action-info">
          <h3>Manage Users</h3>
          <p>View candidates, HR users, and online status</p>
        </div>
        <span class="material-symbols-rounded action-arrow">arrow_forward</span>
      </a>

      <a routerLink="/admin/quizzes" class="action-card card card-hover card-padding">
        <span class="material-symbols-rounded action-icon">quiz</span>
        <div class="action-info">
          <h3>Manage Quizzes</h3>
          <p>View, edit, assign, and delete quizzes</p>
        </div>
        <span class="material-symbols-rounded action-arrow">arrow_forward</span>
      </a>

      <a routerLink="/admin/create-quiz" class="action-card card card-hover card-padding">
        <span class="material-symbols-rounded action-icon">add_circle</span>
        <div class="action-info">
          <h3>Create Quiz</h3>
          <p>Upload Excel or generate with AI</p>
        </div>
        <span class="material-symbols-rounded action-arrow">arrow_forward</span>
      </a>
    </div>
  </div>

  <!-- Recent Submissions -->
  @if (recentSubmissions().length > 0) {
  <div class="section">
    <h2 class="section-title">Recent Submissions</h2>
    <div class="table-container">
      <table>
        <thead>
          <tr>
            <th>Candidate</th>
            <th>Quiz</th>
            <th>Score</th>
            <th>Date</th>
          </tr>
        </thead>
        <tbody>
          @for (sub of recentSubmissions(); track sub._id) {
          <tr>
            <td>
              <div class="user-cell">
                <span class="user-cell-name">{{ sub.studentId?.name }}</span>
                <span class="user-cell-email">{{ sub.studentId?.email }}</span>
              </div>
            </td>
            <td>{{ sub.quizId?.title }}</td>
            <td>
              <span class="badge" [ngClass]="{
                      'badge-success': sub.percentage >= 70,
                      'badge-warning': sub.percentage >= 40 && sub.percentage < 70,
                      'badge-danger': sub.percentage < 40
                    }">{{ sub.percentage }}%</span>
            </td>
            <td class="text-muted">{{ sub.submittedAt | date:'short' }}</td>
          </tr>
          }
        </tbody>
      </table>
    </div>
  </div>
  }
  }
</div>