/* Mobile overrides */

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .comparison-lines {
    display: none;
  }

  .simulator-viewport {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .simulator-wire {
    min-width: unset;
    min-height: 60px;
    flex-direction: row;
  }

  .wire-line {
    top: 0;
    left: 50%;
    right: auto;
    bottom: 0;
    width: 3px;
    height: 100%;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 280px;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .view-container {
    padding: var(--space-md);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--fs-xl);
  }

  .quiz-header {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: flex-start;
  }

  .quiz-progress-bar {
    width: 100%;
  }

  .tf-options {
    grid-template-columns: 1fr;
  }

  .matching-container {
    grid-template-columns: 1fr;
  }

  .simulator-controls {
    flex-wrap: wrap;
  }

  .main-header {
    padding: 0 var(--space-md);
  }

  .search-container {
    flex: 1;
  }

  .search-input {
    font-size: 16px; /* Prevent zoom on iOS */
  }

  .encap-stage {
    flex-wrap: wrap;
    justify-content: center;
  }

  .quiz-grid {
    grid-template-columns: 1fr 1fr;
  }

  .quiz-actions {
    flex-direction: column;
  }

  .tab-group {
    gap: 0;
  }

  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--fs-xs);
  }

  .breadcrumb {
    font-size: var(--fs-xs);
  }
}

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

  .stat-card {
    padding: var(--space-md);
  }

  .stat-value {
    font-size: var(--fs-xl);
  }

  .encap-header {
    font-size: 10px;
    padding: 2px 4px;
  }
}