/* Additional responsive design enhancements */

/* Mobile navigation improvements */
@media (max-width: 768px) {
  .nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    padding-bottom: 0.5rem;
    justify-content: flex-start;
  }
  
  .nav-link {
    padding: 0.5rem;
    font-size: 0.9rem;
  }
  
  /* Improve mobile header */
  .header-content {
    padding: 0.5rem 0;
  }
  
  .logo {
    font-size: 1.2rem;
  }
  
  /* Adjust countdown panel */
  .countdown-panel {
    padding: 1rem;
  }
  
  .next-exam {
    font-size: 1.1rem;
  }
  
  .countdown {
    font-size: 2rem;
  }
  
  /* Improve card layouts */
  .exam-cards, .subject-grid, .resource-grid {
    grid-template-columns: 1fr;
  }
  
  /* Adjust section titles */
  .section-title {
    font-size: 1.4rem;
  }
  
  /* Improve table responsiveness */
  .table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Time machine controls */
  .time-machine-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .time-machine-date {
    width: 100%;
  }
  
  .time-machine-btn {
    width: 100%;
  }
  
  /* Tab improvements */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
  }
  
  .tab {
    flex: 0 0 auto;
    padding: 0.5rem 1rem;
  }
  
  /* Tool container improvements */
  .tool-container {
    padding: 1rem;
  }
  
  /* API integration section */
  .api-integration-section {
    padding: 1rem;
  }
  
  .api-integration-title {
    font-size: 1.1rem;
  }
  
  /* Cornell notes mobile improvements */
  .cornell-container {
    grid-template-columns: 1fr;
  }
  
  .cornell-cues {
    border-right: none;
    border-bottom: 2px solid var(--border);
    padding-right: 0;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
  
  /* Small screen adjustments */
  @media (max-width: 480px) {
    .container {
      width: 95%;
    }
    
    .card, .exam-card, .subject-card, .resource-card {
      padding: 1rem;
    }
    
    .btn {
      padding: 0.5rem 1rem;
    }
    
    .section-title {
      font-size: 1.2rem;
    }
    
    .countdown {
      font-size: 1.5rem;
    }
    
    .tab-content {
      padding: 1rem;
    }
  }
}

/* Print styles */
@media print {
  body {
    background-color: white;
    color: black;
  }
  
  header, footer, .api-integration-section, .btn, .nav {
    display: none;
  }
  
  .container {
    width: 100%;
    max-width: none;
  }
  
  .cornell-container, .cornell-summary {
    border: 1px solid #ccc;
    box-shadow: none;
  }
  
  .card, .exam-card, .subject-card, .resource-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* Accessibility improvements */
:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn:focus, .nav-link:focus, .tab:focus {
  outline: 2px solid white;
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary: #0000ff;
    --text: #ffffff;
    --dark: #000000;
    --card-bg: #121212;
    --border: #ffffff;
  }
  
  .btn, .tab.active {
    background-color: #0000ff;
    color: white;
    border: 1px solid white;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}