/* Interactive Learner 7.1.22 — canonical /learn application shell. */
:root {
  --il-shell-bg: var(--il-color-canvas, #f4f8f7);
  --il-shell-surface: var(--il-color-surface, #ffffff);
  --il-shell-ink: var(--il-color-text, #102a2d);
  --il-shell-muted: var(--il-color-muted, #5b6f72);
  --il-shell-border: var(--il-color-border, rgba(15, 75, 77, .14));
  --il-shell-accent: var(--il-color-primary, #0f766e);
  --il-shell-accent-strong: var(--il-color-primary-strong, #0b5f58);
  --il-shell-focus: var(--il-color-focus, #0b6ea8);
  --il-shell-shadow: var(--il-shadow-card, 0 12px 34px rgba(15, 42, 45, .09));
  --il-shell-content: var(--il-content-width, 1180px);
  --il-shell-radius: var(--il-radius-md, 18px);
}

.interactive-learner-learn-shell__skip-link {
  position: fixed;
  z-index: 2147483647;
  inset-block-start: max(8px, env(safe-area-inset-top, 0px));
  inset-inline-start: max(8px, env(safe-area-inset-left, 0px));
  transform: translateY(-180%);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border: 2px solid #fff;
  border-radius: 999px;
  background: var(--il-shell-ink);
  color: #fff !important;
  font: 800 15px/1 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-decoration: none !important;
  box-shadow: 0 0 0 3px var(--il-shell-focus), var(--il-shell-shadow);
  transition: transform .16s ease;
}
.interactive-learner-learn-shell__skip-link:focus { transform: translateY(0); }
[dir="rtl"] .interactive-learner-learn-shell__skip-link {
  inset-inline-start: max(8px, env(safe-area-inset-right, 0px));
}

[data-il-shell-version].interactive-learner-learn-shell {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: visible;
  background: var(--il-shell-bg);
  color: var(--il-shell-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  isolation: isolate;
}
[data-il-shell-version] *,
[data-il-shell-version] *::before,
[data-il-shell-version] *::after { box-sizing: border-box; }

[data-il-shell-version] .interactive-learner-learn-shell__topbar {
  position: sticky;
  z-index: 1000;
  top: 0;
  width: 100%;
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  padding: max(10px, env(safe-area-inset-top, 0px)) max(18px, calc((100vw - var(--il-shell-content)) / 2)) 10px;
  border: 0;
  border-bottom: 1px solid var(--il-shell-border);
  background: rgba(255, 255, 255, .96);
  color: var(--il-shell-ink);
  box-shadow: 0 8px 24px rgba(15, 42, 45, .06);
  backdrop-filter: blur(14px);
}
body.interactive-learner-preview-active [data-il-shell-version] .interactive-learner-learn-shell__topbar,
body.il-learner-preview-active [data-il-shell-version] .interactive-learner-learn-shell__topbar { position: relative; }

[data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__topbar {
  grid-template-columns: minmax(0, 1fr) auto;
}

[data-il-shell-version] .interactive-learner-learn-shell__transaction {
  justify-self: end;
  min-inline-size: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--il-shell-border);
  border-radius: 14px;
  background: #f8fbfa;
  color: var(--il-shell-ink);
}
[data-il-shell-version] .interactive-learner-learn-shell__transaction-icon {
  inline-size: 30px;
  block-size: 30px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--il-shell-accent);
  color: #fff;
  font-size: 15px;
}
[data-il-shell-version] .interactive-learner-learn-shell__transaction > span:last-child {
  min-inline-size: 0;
  display: grid;
  gap: 1px;
}
[data-il-shell-version] .interactive-learner-learn-shell__transaction strong,
[data-il-shell-version] .interactive-learner-learn-shell__transaction small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
[data-il-shell-version] .interactive-learner-learn-shell__transaction strong {
  font-size: 13px;
  font-weight: 900;
}
[data-il-shell-version] .interactive-learner-learn-shell__transaction small {
  color: var(--il-shell-muted);
  font-size: 11px;
}

[data-il-shell-version] .interactive-learner-learn-shell__brand {
  width: fit-content;
  min-width: 0;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--il-shell-ink) !important;
  text-decoration: none !important;
}
[data-il-shell-version] .interactive-learner-learn-shell__mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--il-shell-accent), #0ea5e9);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .04em;
  box-shadow: 0 8px 20px rgba(15, 118, 110, .22);
}
[data-il-shell-version] .interactive-learner-learn-shell__brand-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}
[data-il-shell-version] .interactive-learner-learn-shell__brand strong,
[data-il-shell-version] .interactive-learner-learn-shell__brand em {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
[data-il-shell-version] .interactive-learner-learn-shell__brand strong {
  color: var(--il-shell-ink);
  font-size: 15px;
  font-style: normal;
  font-weight: 900;
  line-height: 1.15;
}
[data-il-shell-version] .interactive-learner-learn-shell__brand em {
  color: var(--il-shell-muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 650;
  line-height: 1.2;
}

[data-il-shell-version] .interactive-learner-learn-shell__nav,
[data-il-shell-version] .interactive-learner-learn-shell__bottomnav {
  display: grid;
  grid-template-columns: repeat(4, minmax(78px, 1fr));
  align-items: stretch;
  gap: 4px;
}
[data-il-shell-version] .interactive-learner-learn-shell__nav {
  justify-self: center;
  padding: 4px;
  border: 1px solid var(--il-shell-border);
  border-radius: 16px;
  background: #f8fbfa;
}
[data-il-shell-version] .interactive-learner-learn-shell__nav-link {
  position: relative;
  min-width: 0;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 12px;
  border-radius: 12px;
  color: #40585b !important;
  font-size: 14px;
  font-weight: 800;
  min-inline-size: 0;
  line-height: 1.2;
  text-align: center;
  text-decoration: none !important;
  white-space: normal;
  overflow-wrap: anywhere;
  transition: background .16s ease, color .16s ease, box-shadow .16s ease, transform .16s ease;
}
[data-il-shell-version] .interactive-learner-learn-shell__nav-link:hover {
  background: rgba(15, 118, 110, .08);
  color: var(--il-shell-accent-strong) !important;
}
[data-il-shell-version] .interactive-learner-learn-shell__nav-link.is-active,
[data-il-shell-version] .interactive-learner-learn-shell__nav-link[aria-current="page"] {
  background: var(--il-shell-accent);
  color: #fff !important;
  box-shadow: 0 8px 18px rgba(15, 118, 110, .20);
}
[data-il-shell-version] .interactive-learner-learn-shell__nav-icon {
  width: 19px;
  height: 19px;
  flex: 0 0 19px;
  display: inline-flex;
}
[data-il-shell-version] .interactive-learner-learn-shell__nav-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[data-il-shell-version] .interactive-learner-learn-shell__session {
  justify-self: end;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
[data-il-shell-version] .interactive-learner-learn-shell__session-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
  text-align: end;
}
[data-il-shell-version] .interactive-learner-learn-shell__session-copy strong,
[data-il-shell-version] .interactive-learner-learn-shell__session-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
[data-il-shell-version] .interactive-learner-learn-shell__session-copy strong {
  color: var(--il-shell-ink);
  font-size: 13px;
  font-weight: 850;
}
[data-il-shell-version] .interactive-learner-learn-shell__session-copy small {
  color: var(--il-shell-muted);
  font-size: 11px;
  font-weight: 650;
}
[data-il-shell-version] .interactive-learner-learn-shell__session-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid var(--il-shell-border);
  border-radius: 999px;
  background: #fff;
  color: var(--il-shell-accent-strong) !important;
  font-size: 13px;
  font-weight: 850;
  text-align: center;
  text-decoration: none !important;
  white-space: normal;
}
[data-il-shell-version] .interactive-learner-learn-shell__session-action:hover { background: #ecf8f6; }

[data-il-shell-version] .interactive-learner-learn-shell__context {
  width: min(calc(100% - clamp(28px, 6vw, 72px)), var(--il-shell-content));
  min-height: 50px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 8px 0;
  color: var(--il-shell-muted);
}
[data-il-shell-version] .interactive-learner-learn-shell__back {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--il-shell-accent-strong) !important;
  font-size: 13px;
  font-weight: 850;
  text-decoration: none !important;
  white-space: normal;
}
[data-il-shell-version] .interactive-learner-learn-shell__back-icon {
  display: inline-block;
  flex: 0 0 auto;
}
[dir="rtl"] [data-il-shell-version] .interactive-learner-learn-shell__back-icon { transform: scaleX(-1); }
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs { min-width: 0; }
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs ol {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs li {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs li:not(:last-child)::after { content: "/"; color: #94a3b8; }
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs a,
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  overflow-wrap: anywhere;
}
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs a { color: var(--il-shell-accent-strong) !important; }
[data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs span[aria-current="page"] { color: var(--il-shell-ink); }

[data-il-shell-version] .interactive-learner-learn-shell__main {
  width: min(calc(100% - clamp(28px, 6vw, 72px)), var(--il-shell-content));
  max-width: var(--il-shell-content);
  flex: 1 0 auto;
  margin: 0 auto;
  padding: clamp(22px, 4vw, 48px) 0 clamp(56px, 8vw, 96px);
  outline: none;
}
[data-il-shell-version] .interactive-learner-learn-shell__main:focus-visible {
  border-radius: 12px;
  box-shadow: 0 0 0 4px rgba(14, 165, 233, .28);
}
[data-il-shell-version] .interactive-learner-learn-shell__bottomnav { display: none; }

[data-il-shell-version] a:focus-visible,
[data-il-shell-version] button:focus-visible,
[data-il-shell-version] input:focus-visible,
[data-il-shell-version] select:focus-visible,
[data-il-shell-version] textarea:focus-visible {
  outline: 3px solid var(--il-shell-focus) !important;
  outline-offset: 3px !important;
}

/* Explore collection switch is intentionally compact; full catalogue filters arrive in Pass 5. */
[data-il-shell-version] .interactive-learner-explore-switcher {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 5px;
  margin: 0 0 clamp(24px, 4vw, 38px);
  padding: 5px;
  border: 1px solid var(--il-shell-border);
  border-radius: 16px;
  background: var(--il-shell-surface);
  box-shadow: 0 8px 22px rgba(15, 42, 45, .06);
}
[data-il-shell-version] .interactive-learner-explore-switcher a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 12px;
  color: var(--il-shell-accent-strong) !important;
  font-size: 14px;
  font-weight: 850;
  text-decoration: none !important;
}
[data-il-shell-version] .interactive-learner-explore-switcher a[aria-current="page"] {
  background: var(--il-shell-accent);
  color: #fff !important;
}

@media (max-width: 1040px) {
  [data-il-shell-version] .interactive-learner-learn-shell__topbar {
    grid-template-columns: minmax(180px, 1fr) auto;
  }
  [data-il-shell-version] .interactive-learner-learn-shell__session { display: none; }
  [data-il-shell-version] .interactive-learner-learn-shell__nav { justify-self: end; }
}

@media (max-width: 760px) {
  [data-il-shell-version].interactive-learner-learn-shell {
    padding-bottom: calc(74px + env(safe-area-inset-bottom, 0px));
  }
  [data-il-shell-version] .interactive-learner-learn-shell__topbar {
    position: sticky;
    min-height: 66px;
    display: flex;
    padding: max(8px, env(safe-area-inset-top, 0px)) max(14px, env(safe-area-inset-right, 0px)) 8px max(14px, env(safe-area-inset-left, 0px));
  }
  [data-il-shell-version] .interactive-learner-learn-shell__brand { max-width: 100%; }
  [data-il-shell-version] .interactive-learner-learn-shell__mark { width: 40px; height: 40px; flex-basis: 40px; }
  [data-il-shell-version] .interactive-learner-learn-shell__nav,
  [data-il-shell-version] .interactive-learner-learn-shell__session { display: none !important; }
  [data-il-shell-version] .interactive-learner-learn-shell__context {
    width: calc(100% - 28px);
    min-height: 44px;
    overflow: hidden;
  }
  [data-il-shell-version] .interactive-learner-learn-shell__breadcrumbs { overflow: hidden; }
  [data-il-shell-version] .interactive-learner-learn-shell__main {
    width: calc(100% - 28px);
    padding: 20px 0 38px;
  }
  [data-il-shell-version] .interactive-learner-learn-shell__bottomnav {
    position: fixed !important;
    z-index: 1200 !important;
    inset-block: auto 0 !important;
    inset-inline: 0 !important;
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    min-height: calc(66px + env(safe-area-inset-bottom, 0px)) !important;
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 0 !important;
    margin: 0 !important;
    padding: 5px max(4px, env(safe-area-inset-right, 0px)) max(5px, env(safe-area-inset-bottom, 0px)) max(4px, env(safe-area-inset-left, 0px)) !important;
    border: 0 !important;
    border-top: 1px solid var(--il-shell-border) !important;
    border-radius: 0 !important;
    background: rgba(255, 255, 255, .98) !important;
    box-shadow: 0 -10px 28px rgba(15, 42, 45, .12) !important;
    backdrop-filter: blur(14px);
  }
  [data-il-shell-version] .interactive-learner-learn-shell__bottomnav .interactive-learner-learn-shell__nav-link {
    min-width: 0 !important;
    min-height: 56px !important;
    height: 56px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 3px !important;
    padding: 5px 2px !important;
    border-radius: 12px !important;
    background: transparent !important;
    box-shadow: none !important;
    color: #506467 !important;
    font-size: 11px !important;
    line-height: 1 !important;
  }
  [data-il-shell-version] .interactive-learner-learn-shell__bottomnav .interactive-learner-learn-shell__nav-link.is-active,
  [data-il-shell-version] .interactive-learner-learn-shell__bottomnav .interactive-learner-learn-shell__nav-link[aria-current="page"] {
    background: rgba(15, 118, 110, .10) !important;
    color: var(--il-shell-accent-strong) !important;
  }
  [data-il-shell-version] .interactive-learner-learn-shell__bottomnav .interactive-learner-learn-shell__nav-icon {
    width: 22px;
    height: 22px;
  }
  [data-il-shell-version] .interactive-learner-explore-switcher {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  [data-il-shell-version].interactive-learner-learn-shell--transactional {
    padding-block-end: 0;
  }
  [data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__topbar {
    justify-content: space-between;
    gap: 12px;
  }
  [data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__brand {
    min-inline-size: 0;
  }
  [data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__brand-copy em,
  [data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__transaction small {
    display: none;
  }
  [data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__transaction {
    flex: 0 1 auto;
    padding: 6px 9px;
  }
  body.il-learn-checkout-page [data-il-shell-version].interactive-learner-learn-shell--transactional .interactive-learner-learn-shell__bottomnav {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .interactive-learner-learn-shell__skip-link,
  [data-il-shell-version] .interactive-learner-learn-shell__nav-link { transition: none; }
}

/*
 * 7.1.22 compatibility bridge: the legacy viewer bundle still contains several
 * forceful shell declarations. Keep content styles from that bundle, but make
 * this canonical component the final authority for the application frame.
 * Immersive activity-panel shells retain their specialist focus-mode layout.
 */
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) {
  display: flex !important;
  width: 100% !important;
  max-width: none !important;
  min-height: 100vh !important;
  min-height: 100dvh !important;
  padding: 0 !important;
  overflow: visible !important;
  background: var(--il-shell-bg) !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__topbar {
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
  width: 100% !important;
  max-width: none !important;
  min-height: 76px !important;
  margin: 0 !important;
  padding: max(10px, env(safe-area-inset-top, 0px)) max(18px, calc((100vw - var(--il-shell-content)) / 2)) 10px !important;
  display: grid !important;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr) !important;
  grid-template-areas: none !important;
  align-items: center !important;
  gap: clamp(12px, 2vw, 28px) !important;
  border: 0 !important;
  border-bottom: 1px solid var(--il-shell-border) !important;
  border-radius: 0 !important;
  background: rgba(255, 255, 255, .96) !important;
  box-shadow: 0 8px 24px rgba(15, 42, 45, .06) !important;
  overflow: visible !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__brand {
  grid-area: auto !important;
  justify-self: start !important;
  width: fit-content !important;
  min-width: 0 !important;
  max-width: 100% !important;
  min-height: 48px !important;
  margin: 0 !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 11px !important;
  background: transparent !important;
  box-shadow: none !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__mark {
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  flex: 0 0 42px !important;
  border-radius: 13px !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__nav {
  grid-area: auto !important;
  justify-self: center !important;
  width: auto !important;
  max-width: none !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 4px !important;
  display: grid !important;
  grid-template-columns: repeat(4, minmax(78px, 1fr)) !important;
  gap: 4px !important;
  overflow: visible !important;
  border: 1px solid var(--il-shell-border) !important;
  border-radius: 16px !important;
  background: #f8fbfa !important;
  box-shadow: none !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__nav .interactive-learner-learn-shell__nav-link {
  min-width: 78px !important;
  min-height: 46px !important;
  height: auto !important;
  padding: 0 12px !important;
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
  border: 0 !important;
  border-radius: 12px !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #40585b !important;
  font-size: 14px !important;
  line-height: 1 !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__nav .interactive-learner-learn-shell__nav-link[aria-current="page"] {
  background: var(--il-shell-accent) !important;
  color: #fff !important;
  box-shadow: 0 8px 18px rgba(15, 118, 110, .20) !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__session {
  grid-area: auto !important;
  justify-self: end !important;
  display: flex !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__context {
  width: min(calc(100% - clamp(28px, 6vw, 72px)), var(--il-shell-content)) !important;
  max-width: var(--il-shell-content) !important;
  margin: 0 auto !important;
  padding: 8px 0 !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__main {
  width: min(calc(100% - clamp(28px, 6vw, 72px)), var(--il-shell-content)) !important;
  max-width: var(--il-shell-content) !important;
  min-height: 0 !important;
  margin: 0 auto !important;
  padding: clamp(22px, 4vw, 48px) 0 clamp(56px, 8vw, 96px) !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__bottomnav {
  display: none !important;
}

@media (max-width: 1040px) {
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__topbar {
    grid-template-columns: minmax(180px, 1fr) auto !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__session { display: none !important; }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__nav { justify-self: end !important; }
}

@media (max-width: 760px) {
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) {
    padding: 0 0 calc(74px + env(safe-area-inset-bottom, 0px)) !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__topbar {
    position: sticky !important;
    top: 0 !important;
    min-height: 66px !important;
    display: flex !important;
    margin: 0 !important;
    padding: max(8px, env(safe-area-inset-top, 0px)) max(14px, env(safe-area-inset-right, 0px)) 8px max(14px, env(safe-area-inset-left, 0px)) !important;
    border-radius: 0 !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__nav,
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__session {
    display: none !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__context,
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__main {
    width: calc(100% - 28px) !important;
    max-width: none !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__main {
    padding: 20px 0 38px !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__bottomnav {
    position: fixed !important;
    z-index: 1200 !important;
    inset-block: auto 0 !important;
    inset-inline: 0 !important;
    transform: none !important;
    width: 100% !important;
    max-width: none !important;
    min-height: calc(66px + env(safe-area-inset-bottom, 0px)) !important;
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 0 !important;
    margin: 0 !important;
    padding: 5px max(4px, env(safe-area-inset-right, 0px)) max(5px, env(safe-area-inset-bottom, 0px)) max(4px, env(safe-area-inset-left, 0px)) !important;
    border: 0 !important;
    border-top: 1px solid var(--il-shell-border) !important;
    border-radius: 0 !important;
    background: rgba(255, 255, 255, .98) !important;
    box-shadow: 0 -10px 28px rgba(15, 42, 45, .12) !important;
  }
}

body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell--transactional:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__topbar {
  grid-template-columns: minmax(0, 1fr) auto !important;
}
body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell--transactional:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__transaction {
  justify-self: end !important;
  display: inline-flex !important;
}

@media (max-width: 760px) {
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell--transactional:not(.interactive-learner-learn-shell--activity-panel) {
    padding-block-end: 0 !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell--transactional:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__topbar {
    justify-content: space-between !important;
  }
  body.interactive-learner-learn-document [data-il-shell-version].interactive-learner-learn-shell--transactional:not(.interactive-learner-learn-shell--activity-panel) .interactive-learner-learn-shell__bottomnav {
    display: none !important;
  }
}

/* 7.1.22 learner preference: reduce non-essential motion independently of OS settings. */
.interactive-learner-learn-shell--reduced-motion *,
.interactive-learner-learn-shell--reduced-motion *::before,
.interactive-learner-learn-shell--reduced-motion *::after {
  scroll-behavior: auto !important;
  animation-duration: .01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: .01ms !important;
}