/* ADYS - Responsive Styles */

@media (max-width: 768px) {
  .navbar {
    padding: 0 16px;
  }

  .navbar-brand .logo-sub {
    display: none;
  }

  .main-container {
    padding: 16px 12px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-card .stat-value {
    font-size: 22px;
  }

  .assignment-meta {
    display: none;
  }

  table thead th:nth-child(n+4) {
    display: none;
  }

  table tbody td:nth-child(n+4) {
    display: none;
  }

  .modal {
    max-width: 100%;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    white-space: nowrap;
  }

  .btn-lg {
    padding: 10px 18px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .card-header .btn {
    align-self: flex-end;
  }

  .navbar-user .user-name {
    display: none;
  }
}

/* Print styles for reports */
@media print {
  .navbar, .sidebar, .btn, .upload-zone, .modal-overlay {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  table {
    font-size: 11px;
  }
}