@media (max-width: 899px) {
  body {
    display: block;
    height: auto;
  }

  .console {
    display: block;
  }

  .webinar-header {
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px 14px;
  }

  .webinar-header img {
    width: 132px;
  }

  .webinar-header h1 {
    font-size: 14px;
  }

  .doc-switch {
    margin-left: 0;
  }

  .doc-switch-full {
    display: none;
  }

  .doc-switch-short {
    display: inline;
  }

  .doc-switch-button {
    min-height: 40px;
    padding: 8px 14px;
  }

  .webinar-layout {
    display: block;
  }

  .page-nav {
    flex-direction: row;
    align-items: stretch;
    gap: 14px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 12px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line-teal);
    scrollbar-width: thin;
  }

  .page-nav-group,
  .page-nav-group + .page-nav-group {
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    margin: 0;
  }

  .page-nav-label {
    margin: 0 0 6px;
    white-space: nowrap;
  }

  .page-nav-buttons {
    display: flex;
    gap: 6px;
  }

  .page-button {
    width: auto;
    min-width: 60px;
    padding: 4px;
  }

  .page-thumb {
    width: 50px;
    margin-inline: auto;
  }

  .page-nav-footer {
    display: none;
  }

  .viewer-tools {
    flex-wrap: wrap;
    width: 100%;
    margin-left: 0;
  }

  .mobile-field-selector {
    display: grid;
    width: 100%;
    min-width: 0;
    gap: 5px;
    padding-top: 8px;
    border-top: 1px solid var(--line-teal);
  }

  .mobile-field-label {
    margin: 0;
    color: var(--muted-teal);
    font-family: var(--font-display);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
  }

  .mobile-field-list {
    display: flex;
    gap: 8px;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 2px 8px;
    scroll-padding-inline: 2px;
    scrollbar-width: thin;
  }

  .mobile-field-button {
    flex: 0 0 auto;
    min-width: 44px;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid var(--line-teal-2);
    border-radius: 999px;
    background: transparent;
    color: var(--light-teal);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1.25;
  }

  .mobile-field-button:hover,
  .mobile-field-button[aria-pressed="true"] {
    border-color: var(--msfg-green);
    color: var(--msfg-green);
    background: rgba(140, 198, 62, 0.1);
  }

  .document-region {
    display: block;
    min-height: min(700px, 68vh);
  }

  .document-stage {
    min-height: min(660px, 62vh);
    padding: 16px 12px 24px;
  }

  .hint-pill,
  .decoder-wrap {
    display: none;
  }

  .explanation-panel {
    border-top: 1px solid var(--line-teal);
  }

  .explanation-panel:has([data-selected-explanation]) {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 10;
    max-height: min(56vh, 520px);
    max-height: min(56dvh, 520px);
    overflow: auto;
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
    border-top: 4px solid var(--msfg-green);
    background: var(--white);
  }

  .explanation-panel:has([data-selected-explanation]) .explanation-close {
    position: sticky;
    top: 0;
  }
}

@media (max-width: 520px) {
  .webinar-header img {
    width: 112px;
  }

  .eyebrow {
    font-size: 8px;
  }

  .viewer-tool {
    min-height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}