/**
 * responsive.css
 * Fluid media queries and breakpoints for mobile, tablet, and widescreen devices.
 */

@media (max-width: 1024px) {
  .app-header {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
    overflow-x: auto;
  }

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

@media (max-width: 640px) {
  .app-main {
    padding: 1rem;
  }

  .nav-tab-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
  }

  .brand-title {
    font-size: 1.1rem;
  }

  .hud-oscilloscope {
    display: none;
  }

  .dual-tap-pads {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

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

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

  .panel {
    padding: 1.25rem;
  }
}