@media (max-width: 768px) {
  html {
    overflow-x: hidden;
  }
  body {
    font-size: 16px !important;
    overflow-x: hidden;
  }
  .container {
    padding: 0 12px !important;
    max-width: 100% !important;
  }
  h1, .h1 {
    font-size: 1.6rem !important;
    line-height: 1.15 !important;
  }
  h2 {
    font-size: 1.3rem !important;
  }
  h3 {
    font-size: 1.1rem !important;
  }
  h4 {
    font-size: 1rem !important;
  }
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .dashboard-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .dashboard-card {
    padding: 16px !important;
  }
  img {
    max-width: 100%;
    height: auto;
  }
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="url"],
  input[type="number"],
  input[type="tel"],
  textarea,
  select {
    font-size: 16px !important;
    max-width: 100%;
    box-sizing: border-box;
  }
  button, .btn, a.btn {
    min-height: 44px;
    min-width: 44px;
  }
  pre, code {
    max-width: 100%;
    overflow-x: auto;
    word-break: break-word;
  }

  .hero {
    padding: 32px 0 !important;
  }
  .hero h1 {
    font-size: 1.8rem !important;
  }
  .hero h2 {
    font-size: 1.2rem !important;
    margin-bottom: 15px !important;
  }
  .hero p {
    font-size: 0.95rem !important;
  }
  .kicker {
    margin-bottom: 20px !important;
  }
  .kicker img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: none !important;
  }
  .hero-inner {
    grid-template-columns: 1fr !important;
    padding: 20px 0 !important;
    min-height: auto !important;
  }
  .hero-art {
    margin-top: 30px !important;
  }
  .hero-frame {
    height: auto !important;
    max-height: 400px !important;
  }
  .hero-video {
    width: 100% !important;
  }
  .nav-inner {
    padding: 8px 0 !important;
  }
  .cta-group {
    gap: 6px !important;
  }
  .cta-group .btn {
    font-size: 13px !important;
    padding: 8px 14px !important;
  }
  .pg-logo {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: 120px !important;
    margin: 0 auto 12px auto !important;
    display: block !important;
  }
  .hero-content {
    margin-left: 0 !important;
  }

  .section {
    padding: 30px 0 !important;
  }
  .section h2 {
    font-size: 1.4rem !important;
    margin-bottom: 20px !important;
  }

  .convergence-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .convergence-item h3 {
    font-size: 1.1rem !important;
  }
  .convergence-item p {
    font-size: 0.9rem !important;
  }

  .highlights-grid {
    grid-template-columns: 1fr !important;
  }

  .predictions-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .prediction-header {
    flex-direction: column !important;
    gap: 8px !important;
  }
  .human-prediction, .ai-prediction {
    margin: 0 !important;
  }

  .chaos-meter-display {
    grid-template-columns: 1fr !important;
  }
  .risk-overview {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .overall-risk-card {
    padding: 20px !important;
  }
  .risk-score-display {
    font-size: 2.5rem !important;
  }
  .risk-level {
    font-size: 1.1rem !important;
  }
  .grid {
    grid-template-columns: 1fr !important;
  }
  .login-container {
    margin: 16px !important;
    padding: 24px !important;
  }
  .register-container {
    margin: 16px !important;
    padding: 24px !important;
  }
  .row {
    flex-direction: column !important;
  }

  .portal-header {
    min-height: auto !important;
    padding: 12px !important;
    margin-left: -12px !important;
    margin-right: -12px !important;
  }
  .portal-header-content {
    flex-direction: column !important;
    align-items: center !important;
    padding: 10px 8px !important;
    gap: 12px !important;
    text-align: center !important;
  }
  .portal-header-logo {
    width: 80px !important;
  }
  .portal-header-text {
    align-items: center !important;
    text-align: center !important;
    width: 100% !important;
  }
  .portal-header-text h1 img,
  .portal-title img {
    width: 100% !important;
    max-width: 100% !important;
    min-width: auto !important;
    height: auto !important;
  }
  .portal-header-text h4 {
    font-size: 1.1rem !important;
  }
  .portal-header-text p {
    font-size: 0.8rem !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
  }
  .portal-menu-btn {
    right: 6px !important;
    top: 6px !important;
    width: 36px !important;
    height: 36px !important;
    font-size: 24px !important;
  }

  .nav-tabs-custom {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
    padding: 8px !important;
    flex-wrap: unset !important;
  }
  .nav-tabs-custom .nav-item {
    width: 100% !important;
    flex: none !important;
    display: flex !important;
  }
  .nav-tabs-custom .nav-link,
  .nav-tabs-custom .nav-link.w-100 {
    font-size: 13px !important;
    padding: 10px 4px !important;
    text-align: center !important;
    white-space: nowrap !important;
    width: 100% !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: 1px solid rgba(255,255,255,0.15) !important;
    border-radius: 8px !important;
    margin: 0 !important;
  }

  .status-banner {
    font-size: 14px !important;
    padding: 8px 0 !important;
  }
  .status-banner .container {
    flex-direction: column !important;
    gap: 8px !important;
    text-align: center !important;
  }
  .auth-navigation {
    justify-content: center !important;
    gap: 6px !important;
  }
  .auth-navigation a,
  .auth-navigation span {
    font-size: 13px !important;
  }
  .upgrade-link {
    font-size: 12px !important;
    padding: 6px 12px !important;
  }

  .activation-box {
    padding: 20px !important;
    margin: 20px auto !important;
  }

  .tab-btn {
    font-size: 13px !important;
    padding: 8px 12px !important;
  }

  .modal-content {
    width: 95% !important;
    margin: 5% auto !important;
    padding: 16px !important;
  }

  .source-popup-content {
    width: 90% !important;
    max-width: 100% !important;
    margin: 10% auto !important;
    padding: 16px !important;
  }

  .progress-item {
    padding: 14px !important;
  }
  .progress-info h4 {
    font-size: 1.05rem !important;
  }

  .gc-card {
    padding: 16px !important;
    min-height: auto !important;
  }

  .definitions-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }
  .definition-term {
    font-size: 11px !important;
  }

  .member-info {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .header h1 {
    font-size: 1.5rem !important;
  }

  .card {
    padding: 14px !important;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px !important;
  }
  .container {
    padding: 0 10px !important;
  }
  h1, .h1 {
    font-size: 1.35rem !important;
  }
  .hero h1 {
    font-size: 1.5rem !important;
  }
  .convergence-grid,
  .progress-grid,
  .predictions-grid,
  .highlights-grid,
  .chaos-meter-display,
  .dashboard-grid {
    grid-template-columns: 1fr !important;
  }
  .definitions-grid {
    grid-template-columns: 1fr !important;
  }
  .tab-btn {
    font-size: 12px !important;
    padding: 6px 8px !important;
  }
}

.pwa-stack {
  display: flex;
  flex-direction: column;
}

.pwa-hide-mobile {
  display: block;
}

.pwa-show-mobile {
  display: none;
}

@media (max-width: 768px) {
  .pwa-hide-mobile {
    display: none !important;
  }
  .pwa-show-mobile {
    display: block !important;
  }
}