/* Interactive Learner 8.9.0. Additive shared-interface styles; learning and authoring engines remain unchanged. */
body.interactive-learner-standalone { margin: 0; }
[data-il-shell-version] { --il-shell-footer-height: 76px; }
[data-il-shell-version] .il-workspace-switcher,
[data-il-shell-version] .il-workspace-subnav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
[data-il-shell-version] .il-workspace-switcher { width: min(calc(100% - 28px), var(--il-shell-content)); margin: 16px auto 0; }
[data-il-shell-version] .il-workspace-switcher a,
[data-il-shell-version] .il-workspace-subnav a { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border: 1px solid var(--il-shell-border); border-radius: 12px; background: var(--il-shell-surface); color: var(--il-shell-ink) !important; font-size: 14px; font-weight: 700; line-height: 1.4; text-decoration: none !important; overflow-wrap: anywhere; }
[data-il-shell-version] .il-workspace-switcher a[aria-current],
[data-il-shell-version] .il-workspace-subnav a[aria-current] { background: var(--il-shell-ink); border-color: var(--il-shell-ink); color: #fff !important; }
[data-il-shell-version] .il-workspace-subnav { margin: 0 0 28px; }
[data-il-shell-version] .il-workspace-hero { margin-bottom: 28px; max-width: 860px; }
[data-il-shell-version] .il-workspace-hero h1 { margin: 10px 0 12px; color: var(--il-shell-ink); font-size: clamp(28px, 4vw, 42px); line-height: 1.15; letter-spacing: -.035em; overflow-wrap: anywhere; }
[data-il-shell-version] .il-workspace-hero p { max-width: 65ch; margin: 0; color: var(--il-shell-muted); font-size: 17px; line-height: 1.65; }
[data-il-shell-version] .il-workspace-eyebrow { display: block; font-size: 12px; letter-spacing: .08em; font-weight: 800; color: var(--il-shell-accent-strong); }
[data-il-shell-version] .il-workspace-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 24px 0; }
[data-il-shell-version] .il-workspace-card { min-width: 0; border: 1px solid var(--il-shell-border); border-radius: var(--il-shell-radius); padding: clamp(20px, 3vw, 30px); background: var(--il-shell-surface); box-shadow: var(--il-shell-shadow); overflow-wrap: anywhere; }
[data-il-shell-version] .il-workspace-card h2,
[data-il-shell-version] .il-workspace-card h3 { color: var(--il-shell-ink); font-size: 21px; line-height: 1.35; margin: 10px 0; }
[data-il-shell-version] .il-workspace-card p { color: var(--il-shell-muted); line-height: 1.65; margin: 10px 0 18px; }
[data-il-shell-version] .il-workspace-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 28px; }
[data-il-shell-version] .il-workspace-card .il-workspace-tools { margin-bottom: 0; }
[data-il-shell-version] .il-workspace-button { min-height: 46px; display: inline-flex; justify-content: center; align-items: center; padding: 11px 18px; border: 1px solid var(--il-shell-accent-strong); border-radius: 12px; background: var(--il-shell-accent-strong); color: #fff !important; font: 700 14px/1.45 system-ui, sans-serif; text-decoration: none !important; overflow-wrap: anywhere; text-align: center; max-width: 100%; }
[data-il-shell-version] .il-workspace-button.is-secondary { background: var(--il-shell-surface); color: var(--il-shell-accent-strong) !important; border-color: var(--il-shell-border); }
[data-il-shell-version] .il-workspace-button:hover { filter: brightness(.95); }
[data-il-shell-version] .il-workspace-back { min-height: 44px; display: inline-flex; align-items: center; color: var(--il-shell-accent-strong) !important; font-weight: 700; margin-bottom: 8px; }
[data-il-shell-version] .il-workspace-pagination { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
[data-il-shell-version] .il-workspace-table { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; border: 1px solid var(--il-shell-border); border-radius: 16px; background: var(--il-shell-surface); }
[data-il-shell-version] .il-workspace-table table { width: 100%; min-width: 580px; border-collapse: collapse; font-size: 15px; }
[data-il-shell-version] .il-workspace-table caption { padding: 18px; text-align: start; color: var(--il-shell-muted); font-size: 14px; }
[data-il-shell-version] .il-workspace-table th,
[data-il-shell-version] .il-workspace-table td { padding: 16px 20px; border: 0; border-top: 1px solid var(--il-shell-border); text-align: start; line-height: 1.5; }
[data-il-shell-version] .il-workspace-table thead th { background: var(--il-shell-bg); font-weight: 800; }
[data-il-shell-version] .il-workspace-table tbody th { font-weight: 650; max-width: 360px; overflow-wrap: anywhere; }
[data-il-shell-version] .il-workspace-table:focus-visible { outline: 3px solid var(--il-shell-focus); outline-offset: 3px; }
/* Only the frame is shared. Keep the original authoring form/player selectors in place. */
[data-il-shell-version].il-authoring-shell .a3dv-instructor-shell { width: 100%; max-width: none; min-height: 0; margin: 0; padding: 0; background: transparent; overflow: visible; }
[data-il-shell-version].il-authoring-shell .a3dv-instructor-main { width: 100%; max-width: none; min-width: 0; margin: 0; padding: 0; }
[data-il-shell-version].il-authoring-shell .il-authoring-main { max-width: 1480px; }
[data-il-shell-version].il-authoring-shell .a3dv-instructor-content--wide { max-width: none; width: 100%; }
[data-il-shell-version] :is(input, select, textarea) { max-width: 100%; }
[data-il-shell-version] .il-learn-auth-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--il-shell-accent-strong) !important; text-underline-offset: 3px; }
@media (max-width: 1040px) {
  [data-il-shell-version] .il-workspace-grid { gap: 16px; }
}
@media (max-width: 760px) {
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel):not(.interactive-learner-learn-shell--transactional),
  body.interactive-learner-instructor-document [data-il-shell-version].il-authoring-shell:not(.interactive-learner-learn-shell--transactional),
  body.il-unified-app [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--transactional) { padding-bottom: calc(var(--il-shell-footer-height, 76px) + 16px + env(safe-area-inset-bottom, 0px)) !important; }
  [data-il-shell-version] .interactive-learner-learn-shell__bottomnav .interactive-learner-learn-shell__nav-link { height: auto !important; min-height: 56px !important; line-height: 1.2 !important; }
  /* Keep the action visible on a phone instead of placing a marketing card before the form. */
  body.il-learn-auth-page [data-il-shell-version] .il-learn-auth-hero { padding: 0 6px 20px !important; margin: 0 !important; border: 0 !important; border-radius: 0 !important; box-shadow: none !important; background: transparent !important; }
  body.il-learn-auth-page [data-il-shell-version] .il-learn-auth-hero::after,
  body.il-learn-auth-page [data-il-shell-version] .il-learn-auth-hero ul { display: none !important; }
  body.il-learn-auth-page [data-il-shell-version] .il-learn-auth-hero h1 { font-size: 30px !important; line-height: 1.15 !important; margin: 12px 0 !important; }
  body.il-learn-auth-page [data-il-shell-version] .il-learn-auth-hero p { font-size: 16px !important; line-height: 1.5 !important; margin: 0 !important; }
  body.il-learn-auth-page [data-il-shell-version] .il-learn-auth-card { padding: 24px !important; }
  [data-il-shell-version] .il-workspace-switcher { gap: 6px; }
  [data-il-shell-version] .il-workspace-switcher a { padding: 9px 12px; font-size: 13px; flex: 1 1 auto; }
  [data-il-shell-version] .il-workspace-subnav { gap: 6px; }
  [data-il-shell-version] .il-workspace-subnav a { flex: 1 1 auto; padding: 10px 12px; }
  [data-il-shell-version] .il-workspace-grid { grid-template-columns: minmax(0, 1fr); }
  [data-il-shell-version] .il-workspace-tools .il-workspace-button { flex: 1 1 auto; }
  [data-il-shell-version] :is(input, select, textarea) { font-size: max(16px, 1em); }
}
@media (prefers-reduced-motion: reduce) {
  [data-il-shell-version] .il-workspace-button,
  [data-il-shell-version] .il-workspace-switcher a,
  [data-il-shell-version] .il-workspace-subnav a { transition: none; animation: none; scroll-behavior: auto; }
}