/* ============================================
   RESPONSIVE DESIGN - MOBILE & TABLET
   ============================================ */

/* TABLET (768px and below) */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .nav-container {
    padding: 0 var(--spacing-md);
  }

  .nav-links {
    gap: var(--spacing-md);
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subheading {
    font-size: 1.05rem;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .row {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .col {
    flex: 1;
  }

  .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
  }

  .metric-card {
    padding: var(--spacing-md);
  }

  .metric-value {
    font-size: 2rem;
  }

  .dashboard-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    height: auto;
    padding: var(--spacing-lg);
  }

  .sidebar-nav {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
  }

  .sidebar-nav li {
    margin-bottom: 0;
    white-space: nowrap;
  }

  .sidebar-nav a {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .sidebar-logout {
    display: none;
  }

  .main-content {
    padding: var(--spacing-md);
  }

  .modal-content {
    width: 95%;
    padding: var(--spacing-lg);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  table {
    font-size: 0.9rem;
  }

  th, td {
    padding: var(--spacing-sm);
  }
}

/* MOBILE (480px and below) */
@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .nav-container {
    padding: 0 var(--spacing-sm);
    height: 60px;
  }

  .nav-logo {
    font-size: 1.1rem;
  }

  .nav-links {
    gap: var(--spacing-sm);
  }

  .nav-links a {
    font-size: 0.9rem;
  }

  .nav-cta {
    padding: 0.6rem var(--spacing-md);
    font-size: 0.9rem;
  }

  main {
    margin-top: 60px;
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero .subheading {
    font-size: 0.95rem;
  }

  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .section-heading h2 {
    font-size: 1.3rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

  .feature-icon {
    font-size: 2.5rem;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .metric-card {
    padding: var(--spacing-md);
  }

  .metric-value {
    font-size: 1.8rem;
  }

  .btn {
    padding: 0.6rem var(--spacing-md);
    font-size: 0.95rem;
  }

  .modal-content {
    padding: var(--spacing-md);
    max-height: 80vh;
  }

  .modal-header h2 {
    font-size: 1.1rem;
  }

  table {
    font-size: 0.8rem;
  }

  th, td {
    padding: var(--spacing-xs) 0.5rem;
  }

  .sidebar-nav a {
    padding: var(--spacing-sm) 0.5rem;
    font-size: 0.9rem;
  }

  .footer-copyright {
    font-size: 0.8rem;
  }

  form {
    max-width: 100%;
  }

  .help-text {
    font-size: 0.8rem;
  }
}

/* PRINT STYLES */
@media print {
  nav,
  footer,
  .btn,
  .modal {
    display: none;
  }

  body {
    line-height: 1.5;
    font-size: 12pt;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }

  table {
    page-break-inside: avoid;
  }
}

/* DARK MODE: DISABLED - Using consistent light mode for better readability and brand consistency */

/* ACCESSIBILITY: FOCUS VISIBLE */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}