/* Clear classroom routes, while keeping the ocean map as the main entrance. */
.hero .hero-title { font-size: clamp(44px, 5vw, 84px); line-height: 1.2; letter-spacing: -.035em; }
.hero-title-mobile-break { display: none; }
@media (max-width: 760px) {
  .hero .hero-title { font-size: clamp(34px, 10.5vw, 58px); }
  .hero-title-mobile-break { display: initial; }
  .hero-title-desktop-break { display: none; }
}

.course-clock {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 14px;
  padding: 4px 6px 4px 14px;
  margin-right: 6px;
  border: 1px solid #ffe1ab9c;
  border-radius: 18px;
  background: #133654f2;
  box-shadow: 0 4px 22px #071e3c45, 0 0 20px #ffe1ab14;
}
.timer-readout { display: grid; gap: 2px; min-width: 105px; }
#total-timer-status { color: #e5dcc6; font-size: 12px; line-height: 1.2; letter-spacing: .5px; white-space: nowrap; }
#total-time { color: #ffe3ad; font-size: 32px; font-weight: 750; font-variant-numeric: tabular-nums; letter-spacing: 1px; line-height: 1; }
.course-clock .timer-tool {
  justify-content: center;
  gap: 8px;
  min-width: 126px;
  min-height: 44px;
  margin: 0;
  padding: 10px 14px;
  border: 1px solid #fff1c5;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffe8ae, #ffc58e);
  color: #173650;
  font-size: 17px;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: 0;
  white-space: nowrap;
  box-shadow: 0 3px 12px #ffe1ab26;
}
.course-clock .timer-tool:hover { filter: brightness(1.1); }
#total-timer-icon { font-size: 14px; width: 14px; text-align: center; }
.course-clock[data-state="running"] { border-color: #99eadbb0; }
.course-clock[data-state="running"] .timer-tool { background: #224e62; border-color: #9be3d0a6; color: #dcfff3; box-shadow: none; }
.course-clock[data-state="paused"] #total-timer-status { color: #ffd195; }
.course-clock[data-state="finished"] #total-time { color: #ffb1ba; }
@media (max-width: 1100px) {
  .topbar .station-nav { display: none; }
}
@media (max-width: 760px) {
  .topbar { padding: 0 10px; gap: 4px; }
  .topbar .brand > span { display: none; }
  .topbar .brand { min-width: 27px; min-height: 44px; justify-content: center; }
  .topbar .tools { gap: 2px; }
  .course-clock { gap: 8px; padding: 4px 5px 4px 9px; margin-right: 0; border-radius: 15px; }
  .timer-readout { min-width: 78px; }
  #total-timer-status { font-size: 10px; letter-spacing: 0; }
  #total-time { font-size: 27px; letter-spacing: .5px; }
  .course-clock .timer-tool { gap: 5px; min-width: 86px; padding: 10px 8px; font-size: 13px; }
  #total-timer-icon { font-size: 11px; width: 11px; }
}

.map-howto {
  position: relative;
  z-index: 2;
  width: calc(100% - 48px);
  max-width: 1050px;
  margin: 4px auto 60px;
  padding: 26px 32px;
  border: 1px solid #b9e9f235;
  border-radius: 20px;
  background: linear-gradient(110deg, #143f65e6, #16435cb3);
  color: #eaf9ff;
}
.map-howto h2 {
  font-size: clamp(22px, 2.4vw, 29px);
  line-height: 1.4;
  letter-spacing: 0;
  text-wrap: balance;
}
.map-howto > p {
  max-width: 850px;
  margin: 11px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: #c5e3ef;
}
.map-howto .teacher-guide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  color: #ffe1b2;
  font-size: 14px;
  line-height: 1.6;
  text-underline-offset: 5px;
  max-width: 100%;
  text-wrap: balance;
}
.map-howto .teacher-guide-link a {
  color: inherit;
  text-underline-offset: 5px;
}
.map-howto a:hover {
  color: #fff2d9;
}

.world-layer .layer-heading {
  max-width: 920px;
}
.chapter-overview {
  margin: 24px auto 26px;
  padding: 22px 24px 19px;
  text-align: left;
  border: 1px solid #b9e9f22e;
  border-radius: 17px;
  background: #103651d9;
  box-shadow: 0 12px 36px #051c3221;
}
.layer-heading .chapter-overview .chapter-goal {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #e4f4fb;
}
.chapter-goal > strong {
  display: inline-block;
  margin-right: 12px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.5px;
  color: #abdfe6;
}
.chapter-path {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.chapter-path > li {
  min-width: 0;
  flex: 1 1 145px;
}
.chapter-path button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 46px;
  height: 100%;
  padding: 10px 11px;
  border: 1px solid #bdeaf130;
  border-radius: 9px;
  background: #a5e1f208;
  text-align: left;
  color: #e6f5fd;
  line-height: 1.5;
  transition:
    background 160ms,
    border-color 160ms;
}
.chapter-path button:hover,
.chapter-path button:focus-visible {
  background: #b7edfa1c;
  border-color: #c2eff785;
}
.chapter-path .path-number {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #ffdbb6;
}
.chapter-path .path-title {
  font-size: 14px;
  font-weight: 550;
}
.layer-heading .chapter-overview .chapter-takeaway {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid #bce4f11c;
  font-size: 14px;
  line-height: 1.8;
  color: #b7dce9;
}
.chapter-takeaway > strong {
  color: #e3f1f3;
  font-weight: 600;
}

#scene-2 .route-stop {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
#scene-2 .route-stop p {
  flex: 1;
}
#scene-2 .route-orb {
  flex: 0 0 auto;
}

.world-layer .node-caption {
  max-width: 100%;
}
.world-layer .node-caption > .step-label {
  font-size: 12px;
  line-height: 1.6;
  font-weight: 550;
  letter-spacing: 0.4px;
  color: #ffe0ba;
}
.world-layer .node-caption > strong,
.world-layer.layer-2 .node-caption > strong,
.world-layer.layer-3 .node-caption > strong,
.world-layer.layer-4 .node-caption > strong {
  font-size: 29px;
  line-height: 1.35;
  letter-spacing: 0.3px;
}
.world-layer .node-caption > .node-instruction {
  max-width: 23em;
  margin: 7px auto 0;
  font-size: 14px;
  line-height: 1.7;
  color: #cae5f1;
  text-wrap: pretty;
}
.world-layer .nodes-5 {
  height: 1300px;
}

/* The three observation scenes begin with complete, classroom-sized pictures. */
#map-1 .map-playground {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 88px 34px;
  height: auto;
  max-width: 1000px;
  padding: 25px 0 65px;
}
#map-1 .map-playground::before {
  content: "";
  position: absolute;
  top: 35px;
  bottom: 210px;
  left: 50%;
  border-left: 1px dashed #b5edf145;
  pointer-events: none;
}
#map-1 .sailing-route {
  display: none;
}
#map-1 .map-playground > .world-node {
  position: relative;
  inset: auto;
  z-index: 1;
  width: 100%;
  max-width: 410px;
  justify-self: center;
  align-self: start;
}
#map-1 .world-node.room-3,
#map-1 .world-node.room-4,
#map-1 .world-node.room-5 {
  grid-column: 1 / -1;
  max-width: 900px;
  padding: 0;
  border-radius: 20px;
}
#map-1 .world-node.room-3 .node-object,
#map-1 .world-node.room-4 .node-object,
#map-1 .world-node.room-5 .node-object {
  width: 100%;
  max-width: none;
  transform: none;
  animation: none;
}
#map-1 .world-node.room-3 .node-object::before,
#map-1 .world-node.room-4 .node-object::before,
#map-1 .world-node.room-5 .node-object::before,
#map-1 .world-node.room-3 .node-object > svg,
#map-1 .world-node.room-4 .node-object > svg,
#map-1 .world-node.room-5 .node-object > svg {
  display: none;
}
#map-1 .node-portrait {
  display: block;
  position: relative;
  inset: auto;
  width: 100%;
  height: auto;
  border: 2px solid #c8eeeac4;
  border-radius: 18px;
  background: #113552;
  box-shadow:
    0 22px 45px #07244670,
    0 0 0 7px #b6eae916;
  transform: none;
  transition:
    border-color 180ms,
    box-shadow 180ms;
}
#map-1 .node-portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
}
#map-1 .world-node.room-3:hover .node-portrait,
#map-1 .world-node.room-4:hover .node-portrait,
#map-1 .world-node.room-5:hover .node-portrait,
#map-1 .world-node.room-3:focus-visible .node-portrait,
#map-1 .world-node.room-4:focus-visible .node-portrait,
#map-1 .world-node.room-5:focus-visible .node-portrait {
  border-color: #efffdc;
  box-shadow:
    0 22px 45px #07244670,
    0 0 0 7px #b6eae92b;
}
#map-1 .world-node.room-3 .node-enter,
#map-1 .world-node.room-4 .node-enter,
#map-1 .world-node.room-5 .node-enter {
  z-index: 2;
  right: 19px;
  bottom: 19px;
  width: 55px;
  height: 55px;
}
#map-1 .world-node.room-3 .node-caption,
#map-1 .world-node.room-4 .node-caption,
#map-1 .world-node.room-5 .node-caption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px 18px;
  width: 100%;
  margin-top: 19px;
  padding: 0 5px;
  text-align: left;
}
#map-1 .world-node.room-3 .step-label,
#map-1 .world-node.room-4 .step-label,
#map-1 .world-node.room-5 .step-label {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 13px;
}
#map-1 .world-node.room-3 .node-instruction,
#map-1 .world-node.room-4 .node-instruction,
#map-1 .world-node.room-5 .node-instruction {
  max-width: none;
  margin: 0;
  font-size: 16px;
  text-align: right;
}
#map-1 .world-node.room-3 .node-visited,
#map-1 .world-node.room-4 .node-visited,
#map-1 .world-node.room-5 .node-visited {
  align-self: flex-start;
  margin-top: 10px;
  padding-left: 5px;
}

/* Revealed reference objects are shown after the quotation, without cropping. */
.clue-answer {
  padding-left: 0;
}
.clue-answer .reference-object {
  width: 100%;
  margin: 18px 0 3px;
}
.reference-image-button {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid #caeceb77;
  border-radius: 12px;
  background: #102d46;
  cursor: zoom-in;
  text-align: right;
  box-shadow: 0 9px 24px #061a3233;
  transition:
    border-color 160ms,
    box-shadow 160ms;
}
.reference-image-button:hover,
.reference-image-button:focus-visible {
  border-color: #defff6;
  box-shadow: 0 9px 24px #061a3255;
}
.reference-image-button:focus-visible {
  outline: 3px solid #ffe6a9;
  outline-offset: 4px;
}
.reference-image-button img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
}
.reference-image-button > span {
  display: block;
  padding: 10px 13px;
  border-top: 1px solid #caeceb26;
  background: #163d56;
  color: #e5f7ff;
  font-size: 12px;
  font-weight: 550;
  line-height: 1.5;
}
.reference-object figcaption {
  margin-top: 9px;
  padding: 0 2px;
  color: #b5d4e2;
  font-size: 12px;
  line-height: 1.75;
}
.original-diagram {
  margin-top: 17px;
  padding-top: 9px;
  border-top: 1px solid #bce8ee33;
}
.original-diagram > summary {
  min-height: 44px;
  padding: 10px 2px;
  color: #d0f1ef;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.7;
  cursor: pointer;
}
.original-diagram > summary::marker {
  color: #ffddb1;
}
.original-diagram > summary:hover {
  color: #fff0cd;
}
.original-diagram > summary:focus-visible {
  outline: 3px solid #ffe6a9;
  outline-offset: 3px;
  border-radius: 4px;
}
.original-diagram .reference-object {
  margin-top: 8px;
}

.scene-topbar {
  gap: 22px;
  padding-top: 9px;
  padding-bottom: 9px;
}
.scene-topbar > .return-boat,
.scene-topbar > .exit-hint {
  flex: 0 0 auto;
}
.scene-location {
  min-width: 0;
  flex: 1 1 auto;
  text-align: right;
}
.scene-location #room-label {
  display: block;
  max-width: none;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: #e1f2fa;
}
.scene-location #scene-route-hint {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.55;
  color: #b6d7e5;
}
.scene-guidance {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 25px;
  width: calc(100% - 80px);
  max-width: 1240px;
  margin: 24px auto 0;
  padding: 17px 21px;
  border: 1px solid #c2eafb28;
  border-radius: 13px;
  background: #102e4980;
}
.scene-guidance > div {
  min-width: 0;
}
.scene-guidance > div + div {
  border-left: 1px solid #c2eafb28;
  padding-left: 25px;
}
.scene-guidance strong {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: 0.5px;
  color: #b9e4e9;
}
.scene-guidance p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #e0edf7;
}

#chapter-list {
  display: block;
}
.chapter-group + .chapter-group {
  margin-top: 25px;
  padding-top: 23px;
  border-top: 1px solid #c2eafb26;
}
.chapter-group > h3 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 19px;
  font-weight: 650;
  line-height: 1.6;
  color: #eef8ff;
}
.chapter-group > h3 > small {
  font-size: 12px;
  font-weight: 400;
  color: #b4d8e7;
}
.chapter-group > p {
  margin: 6px 0 13px;
  font-size: 13px;
  line-height: 1.75;
  color: #c1deed;
}
.chapter-group-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.chapter-group-steps > button {
  min-width: 0;
  gap: 10px;
}
.chapter-group > button {
  width: 100%;
  margin-top: 11px;
  gap: 10px;
}
.chapter-list .chapter-number {
  flex: 0 0 27px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.chapter-group .chapter-step-copy {
  min-width: 0;
}
.chapter-group .chapter-step-copy strong {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  font-weight: 550;
  color: #f0f8fc;
}
.chapter-group .chapter-step-copy small {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.6;
  color: #c1dce8;
}

@media (max-width: 1100px) {
  .world-layer .node-caption > strong,
  .world-layer.layer-2 .node-caption > strong,
  .world-layer.layer-3 .node-caption > strong,
  .world-layer.layer-4 .node-caption > strong {
    font-size: 27px;
  }
  .scene-topbar {
    gap: 16px;
  }
  .scene-topbar > .exit-hint {
    display: none;
  }
}

@media (max-width: 760px) {
  .map-howto {
    width: calc(100% - 32px);
    margin-bottom: 30px;
    padding: 21px 20px;
    border-radius: 15px;
  }
  .map-howto h2 {
    font-size: 23px !important;
    line-height: 1.5;
  }
  .map-howto > p {
    font-size: 14px;
  }
  .map-howto .teacher-guide-link {
    font-size: 13px;
  }
  .chapter-overview {
    margin-top: 21px;
    margin-bottom: 10px;
    padding: 18px 15px 16px;
    border-radius: 13px;
  }
  .layer-heading .chapter-overview .chapter-goal {
    font-size: 15px;
  }
  .chapter-goal > strong {
    display: block;
    margin: 0 0 5px;
  }
  .chapter-path {
    gap: 7px;
    margin-top: 14px;
  }
  .chapter-path > li {
    flex: 1 1 calc(50% - 7px);
  }
  .chapter-path button {
    gap: 7px;
    min-height: 46px;
    padding: 9px;
  }
  .chapter-path .path-title {
    font-size: 13px;
  }
  .layer-heading .chapter-overview .chapter-takeaway {
    font-size: 13px;
    margin-top: 13px;
    padding-top: 12px;
  }
  .world-layer .nodes-5 {
    height: auto;
  }
  #map-1 .map-playground {
    grid-template-columns: minmax(0, 1fr);
    gap: 45px;
    padding: 25px 6px 45px;
  }
  #map-1 .map-playground::before {
    bottom: 210px;
  }
  #map-1 .map-playground > .world-node {
    max-width: 350px;
  }
  #map-1 .world-node.room-3,
  #map-1 .world-node.room-4,
  #map-1 .world-node.room-5 {
    max-width: none;
  }
  #map-1 .node-portrait {
    border-radius: 11px;
    box-shadow:
      0 13px 26px #07244655,
      0 0 0 4px #b6eae916;
  }
  #map-1 .world-node.room-3 .node-enter,
  #map-1 .world-node.room-4 .node-enter,
  #map-1 .world-node.room-5 .node-enter {
    right: 13px;
    bottom: 13px;
    width: 42px;
    height: 42px;
  }
  #map-1 .world-node.room-3 .node-caption,
  #map-1 .world-node.room-4 .node-caption,
  #map-1 .world-node.room-5 .node-caption {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
    margin-top: 17px;
    padding: 0 2px;
  }
  #map-1 .world-node.room-3 .step-label,
  #map-1 .world-node.room-4 .step-label,
  #map-1 .world-node.room-5 .step-label {
    font-size: 12px;
  }
  #map-1 .world-node.room-3 .node-instruction,
  #map-1 .world-node.room-4 .node-instruction,
  #map-1 .world-node.room-5 .node-instruction {
    font-size: 14px;
    text-align: left;
  }
  .reference-image-button > span {
    min-height: 44px;
    padding: 12px;
  }
  .world-layer .node-caption > .step-label {
    font-size: 11px;
    letter-spacing: 0.2px;
  }
  .world-layer .node-caption > strong,
  .world-layer.layer-2 .node-caption > strong,
  .world-layer.layer-3 .node-caption > strong,
  .world-layer.layer-4 .node-caption > strong {
    font-size: 26px;
  }
  .world-layer .node-caption > .node-instruction {
    max-width: 22em;
    font-size: 13px;
  }
  .scene-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 3px;
    min-height: 112px;
    padding: 6px 18px 12px;
  }
  .scene-topbar > .return-boat {
    justify-self: start;
    min-height: 45px;
  }
  .scene-location {
    text-align: left;
    padding-left: 3px;
  }
  .scene-location #room-label {
    font-size: 12px;
    text-align: left;
  }
  .scene-location #scene-route-hint {
    font-size: 11px;
    margin-top: 2px;
  }
  .scene-guidance {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    width: calc(100% - 40px);
    margin-top: 18px;
    padding: 13px 15px;
  }
  .scene-guidance > div + div {
    border-left: 0;
    border-top: 1px solid #c2eafb28;
    padding-left: 0;
    padding-top: 10px;
  }
  .scene-guidance strong {
    display: inline;
    margin: 0 8px 0 0;
    line-height: 1.75;
  }
  .scene-guidance p {
    display: inline;
    font-size: 14px;
    line-height: 1.75;
  }
  .chapter-group > h3 {
    font-size: 18px;
  }
  .chapter-group-steps {
    grid-template-columns: minmax(0, 1fr);
  }
  .chapter-group-steps strong {
    font-size: 14px;
  }
}

.projector .chapter-overview,
.projector .map-howto,
.projector .scene-guidance {
  background: #123550;
  border-color: #b8e8f55c;
}
.projector .chapter-takeaway,
.projector .node-instruction,
.projector #scene-route-hint,
.projector .chapter-group small,
.projector .chapter-group > p {
  color: #e5f6ff;
}

/* 两分钟眼睛小挑战：先回答，再验证，最后串起两个游戏与AI课堂。 */
#map-1 .room-6 { grid-column: 1 / -1; justify-self: center; }
body[data-scene="6"] #scene-guidance { display: none; }
.eye-scene { padding: 22px 0 32px; }
.eye-scene .scene-inner { max-width: 1100px; }
.eye-scene .section-heading { margin-bottom: 10px; }
.eye-scene .eyebrow { margin: 0 0 8px; font-size: 12px; }
.eye-scene h2 { font-size: clamp(30px, 3.5vw, 44px); }
.eye-scene .section-heading .lead { margin-top: 8px; font-size: 20px; }
.line-challenge { padding: 0 22px 18px; border-radius: 28px; background: #09294480; border: 1px solid #b0deec35; }
.line-diagram { display: block; width: 100%; max-width: 920px; height: auto; margin: 0 auto; overflow: visible; }
.line-label { font-size: 49px; font-weight: 800; stroke: none; fill: currentColor; }
.line-label-a { color: #ffe0a2; }
.line-label-b { color: #91f4de; transition: opacity 220ms ease; }
.comparison-line { transform-box: view-box; transform-origin: 0 0; }
.comparison-a { transform: translateY(85px); color: #ffe0a2; }
.comparison-b { transform: translateY(245px); color: #91f4de; transition: transform 1000ms cubic-bezier(.45,0,.2,1) 220ms; }
.comparison-line line { stroke: currentColor; stroke-width: 14; stroke-linecap: butt; }
.comparison-fins { stroke: #d9e8f3; stroke-width: 7; stroke-linejoin: round; opacity: .8; transition: opacity 220ms ease; }
.comparison-guides { opacity: 0; transition: none; }
.comparison-guides path { stroke: #d8fff2; stroke-width: 3; fill: none; }
.comparison-guides text { fill: #c8fff1; stroke: none; font-size: 32px; font-weight: 700; }
.is-compared .comparison-b { transform: translateY(85px); }
.is-compared .comparison-b line { stroke-width: 6; }
.is-compared .comparison-fins, .is-compared .line-label-b { opacity: 0; }
.is-compared .comparison-guides { opacity: 1; transition: opacity 250ms ease 1220ms; }
.comparison-controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 18px 28px; }
.comparison-prompts { display: flex; justify-content: center; align-items: baseline; gap: 12px; margin: 0 0 16px; text-align: center; }
.comparison-prompts > span { font-size: 16px; color: #9cebd9; }
.comparison-prompts > p { font-size: 21px; line-height: 1.6; color: #e1f1f9; }
#comparison-vote { font-size: 21px; color: #d6eaf3; }
#comparison-vote b { color: #fff3ce; }
#comparison-toggle { min-height: 55px; padding: 14px 30px; font-size: 22px; }
.comparison-answer { text-align: center; margin-top: 16px; }
.comparison-answer > strong { font-size: 29px; color: #adffe9; }
.comparison-answer p { margin-top: 5px; font-size: 21px; color: #e1f1f9; line-height: 1.65; }
.comparison-answer .comparison-reflection { margin: 9px 0 14px; font-size: 23px; color: #ffe0b6; }
.eye-takeaway-button { min-height: 46px; font-size: 19px; padding: 10px 24px; }
.eye-takeaway { margin-top: 20px; padding: 22px; border-radius: 20px; border: 1px solid #a9edda66; background: #174657c9; }
.eye-takeaway > h3 { margin: 0; font-size: 25px; line-height: 1.5; color: #f3f9ff; }
.eye-activity-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 18px 0; text-align: left; }
.eye-activity-links article { min-width: 0; padding: 16px 18px; border: 1px solid #b0deec40; border-radius: 14px; background: #082b4399; }
.eye-activity-links h4 { margin: 0 0 8px; font-size: 21px; line-height: 1.5; color: #ffe0b6; }
.eye-activity-links p { margin: 0; font-size: 20px; }
.eye-takeaway > strong { display: block; font-size: 29px; color: #aaffdf; }
.eye-takeaway > p { margin-top: 10px; }
.eye-takeaway .eye-connection { color: #e1f1f9; font-size: 20px; }
.eye-takeaway .eye-class-theme { padding-top: 12px; border-top: 1px solid #b0deec40; color: #ffe0b6; font-size: 21px; font-weight: 700; }
.eye-scene .mobile-only { display: none; }
.motion-off .line-challenge * { transition: none !important; }
@media (prefers-reduced-motion: reduce) { .line-challenge * { transition: none !important; } }
@media (max-width: 650px) {
  .eye-scene { padding-top: 25px; }
  .eye-scene .scene-inner { width: calc(100% - 28px); }
  .eye-scene .section-heading .lead { font-size: 17px; }
  .line-challenge { padding: 12px 12px 20px; border-radius: 22px; }
  .line-diagram { margin: 12px 0 18px; }
  .line-label { font-size: 58px; }
  .comparison-guides text { font-size: 37px; }
  .comparison-controls { gap: 16px; flex-direction: column; }
  .comparison-prompts { flex-direction: column; align-items: center; gap: 5px; margin-bottom: 18px; }
  .comparison-prompts > span { font-size: 14px; }
  .comparison-prompts > p { font-size: 18px; }
  #comparison-vote { font-size: 16px; }
  #comparison-toggle { font-size: 19px; width: 100%; padding: 14px; }
  .comparison-answer > strong { font-size: 25px; }
  .comparison-answer p { font-size: 17px; }
  .comparison-answer .comparison-reflection { font-size: 20px; }
  .eye-takeaway { padding: 19px 14px; }
  .eye-takeaway > h3 { font-size: 21px; }
  .eye-activity-links { grid-template-columns: 1fr; gap: 10px; margin: 16px 0; }
  .eye-activity-links article { padding: 13px; }
  .eye-activity-links h4 { font-size: 18px; }
  .eye-takeaway > strong { font-size: 24px; }
  .eye-takeaway .eye-connection { font-size: 17px; }
  .eye-takeaway .eye-class-theme { font-size: 18px; }
  .eye-takeaway-button { width: 100%; font-size: 17px; padding: 12px 10px; }
  .eye-scene .mobile-only { display: inline; }
}

/* Kindness concrete */
#scene-14 { padding-top: 28px; padding-bottom: 32px; }
#scene-14 .split-feature { gap: 50px; }
#scene-14 h2 { font-size: clamp(32px, 3.6vw, 46px); }
#scene-14 .lead { font-size: 21px; margin-top: 18px; }
#scene-14 .small-note { margin-top: 20px; font-size: 15px; line-height: 1.8; }
#scene-14 .kindness-note { width: 100%; max-width: 500px; padding: 30px 35px 26px; transform: rotate(1deg); }
#scene-14 .note-eyebrow { margin-bottom: 14px; color: #795164; font-size: 15px; }
.kindness-general { font-size: 25px; color: #716878; margin-bottom: 12px; }
#scene-14 .kindness-note blockquote { font-size: clamp(23px, 2.4vw, 31px); line-height: 1.65; }
#scene-14 .note-example { margin-top: 20px; padding-top: 16px; }
#scene-14 .note-example > span { font-size: 13px; color: #795164; }
#scene-14 .note-example p { font-size: 23px; color: #764463; margin-top: 6px; }
#scene-15 { padding-top: 25px; padding-bottom: 28px; }
#scene-15 .stars-header h2 { font-size: clamp(30px, 3.1vw, 40px); }
.stars-prompt { font-size: 18px; line-height: 1.6; color: #e0e9f6; margin-top: 12px; }
#scene-15 .star-count { gap: 10px; }
#scene-15 .star-count > span { font-size: 14px; }
#scene-15 .star-map { height: 300px; isolation: isolate; border-radius: 30px; }
#scene-15 .sky-star > span { font-size: 15px; }
#scene-15 .star-controls > p:first-child { font-size: 16px; margin-bottom: 10px; }
#scene-15 .star-buttons { margin-bottom: 15px; }
#scene-15 .star-buttons button { font-size: 17px; }
#scene-15 .star-controls > .primary-button { font-size: 18px; }
#scene-15 .star-controls > .small-note { font-size: 14px; min-height: 48px; }
#scene-15 .quiet-note { font-size: 14px; margin-top: 12px; }
#star-map::before, #star-map::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; }
#star-map::before { z-index: -1; background: radial-gradient(ellipse at 50% 50%, #ffd6974a, #cf9dff21 43%, transparent 72%); box-shadow: inset 0 0 55px #beccff35, 0 0 50px #eed4ff20; }
#star-map::after { z-index: 0; background-image: radial-gradient(circle at 8% 49%, #fff6dd 0 2px, transparent 3px), radial-gradient(circle at 31% 9%, #c6ffef 0 2px, transparent 3px), radial-gradient(circle at 49% 47%, #fff2c1 0 3px, transparent 4px), radial-gradient(circle at 66% 10%, #eadbff 0 2px, transparent 3px), radial-gradient(circle at 94% 34%, #fff1c6 0 2px, transparent 3px), radial-gradient(circle at 68% 92%, #d2fff0 0 2px, transparent 3px), radial-gradient(circle at 9% 89%, #fff3db 0 2px, transparent 3px); filter: drop-shadow(0 0 5px #ffe4ac); }
#star-map.is-celebrating::before, #star-map.is-celebrating::after { opacity: 1; }
#star-map.is-celebrating .constellation-lines { stroke: #e8cc9b99; stroke-width: 1.8; stroke-dasharray: none; filter: drop-shadow(0 0 5px #ffce9f66); }
#scene-15 .sky-star { z-index: 1; }
#scene-16 { grid-template-columns: minmax(190px, .6fr) minmax(0, 1.85fr); gap: 30px; padding: 26px 40px 32px; }
#scene-16 h2 { font-size: clamp(31px, 3.4vw, 48px); letter-spacing: -.035em; }
.recap-instruction { font-size: 18px; color: #e2ecf6; margin-top: 12px; }
#scene-16 .recall-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: none; margin: 21px auto; text-align: left; }
#scene-16 .recall-cards article { position: relative; min-width: 0; max-width: none; padding: 16px; border: 1px solid #d5d2e840; border-radius: 16px; background: #163653c9; }
#scene-16 .recall-cards article > svg { position: absolute; top: 18px; left: 16px; width: 23px; height: 23px; margin: 0; }
#scene-16 .recall-cards h3 { min-height: 27px; padding-left: 32px; font-size: 21px; margin: 0 0 12px; color: #ffe1bc; }
#scene-16 .recall-cards p { font-size: 17px; line-height: 1.65; color: #e3edf5; }
#scene-16 .recall-reveal { width: 100%; min-height: 44px; padding: 9px 10px; margin-top: 13px; font-size: 15px; }
#scene-16 .recall-answer { margin-top: 12px; padding-top: 12px; border-top: 1px solid #d5d2e840; color: #b8ffe8 !important; }
#scene-16 .final-invitation { max-width: none; padding: 13px 0; }
#scene-16 .final-invitation > span { font-size: 14px; color: #e6d6e8; letter-spacing: .5px; }
#scene-16 .today-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 5px 18px; font-size: 17px; line-height: 1.7; margin: 7px 0; }
#scene-16 .final-invitation > small { font-size: 13px; color: #c9dfec; }
#scene-16 .final-signoff { margin-top: 14px; font-size: 14px; }
.classroom-photo-badge { display: inline-block; max-width: 100%; margin-top: 15px; padding: 9px 18px; border: 1px solid #ffe1bc75; border-radius: 12px; background: #ffdeb91a; color: #fff0d3; font-size: 19px; font-weight: 750; line-height: 1.5; }
#scene-16 .restart-button { display: block; min-height: 44px; margin: 10px auto 0; }
#stars-reset, #round-next { min-height: 44px; }
.projector #scene-16 .recall-cards article { background: #163653; border-color: #d5eaf077; }
@media (max-width: 1100px) {
  #scene-16 { grid-template-columns: 1fr; padding: 28px 28px 36px; }
  #scene-16 .scene-inner { grid-column: 1; grid-row: 1; }
  #scene-16 .finale-voyage-art { grid-column: 1; grid-row: 2; width: min(270px, 100%); margin: 0 auto; }
}
@media (max-width: 900px) {
  #scene-14 .split-feature { gap: 30px; }
}
@media (max-width: 650px) {
  #scene-14 .split-feature { grid-template-columns: 1fr; }
  #scene-14 .kindness-note { max-width: 440px; padding: 27px 24px; }
  #scene-14 .note-example p { font-size: 21px; }
  #scene-15 .stars-prompt { font-size: 16px; }
  #scene-15 .star-count { margin-top: 14px; }
  #scene-15 .star-count > span { font-size: 13px; }
  #scene-15 .star-map { height: 280px; }
  #scene-15 .sky-star > span { font-size: 12px; }
  #scene-15 .stars-layout { gap: 18px; }
  #scene-15 .star-buttons button { font-size: 16px; }
  #scene-15 .quiet-note { font-size: 13px; }
  #scene-16 { padding: 25px 20px 35px; }
  #scene-16 h2 { font-size: 31px; line-height: 1.4; text-wrap: balance; }
  .recap-instruction { font-size: 16px; }
  #scene-16 .recall-cards { grid-template-columns: 1fr; max-width: 460px; gap: 14px; }
  #scene-16 .recall-cards article { padding: 18px; }
  #scene-16 .recall-cards article > svg { left: 18px; top: 20px; }
  #scene-16 .recall-cards p { font-size: 17px; }
  #scene-16 .recall-cards p > br { display: none; }
  #scene-16 .today-actions { flex-direction: column; gap: 2px; font-size: 17px; }
  #scene-16 .final-signoff { font-size: 13px; }
  .classroom-photo-badge { padding: 10px 14px; font-size: 17px; }
}

/* Concrete thinking: one spoken reply, a complete record, one pause. */
.record-scene .scene-inner { max-width: 1080px; }
.record-scene h2 { font-size: clamp(30px, 3.6vw, 48px); }
.record-scene .section-heading { margin-bottom: 24px; }
.shot-record { border: 1px solid #c5ebfa40; padding: 26px; border-radius: 28px; background: #142e50d9; text-align: center; }
.record-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 22px; margin-bottom: 24px; }
.record-heading > span { color: var(--muted); }
.record-heading > strong { color: var(--gold); }
.shot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; list-style: none; margin: 0 0 24px; padding: 0; }
.shot-card { min-width: 0; padding: 18px 10px; border: 1px solid #ffa76866; border-radius: 20px; background: #8b543629; }
.shot-card svg { display: block; width: min(100%, 115px); height: auto; margin: 0 auto 10px; }
.shot-card circle { fill: #ffaf6c; stroke: #ffc689; stroke-width: 2; }
.shot-card path { fill: none; stroke: #763f2a; stroke-width: 3; }
.shot-card strong { display: block; color: #ffe6b6; font-size: 24px; }
.shot-number { display: block; font-size: 17px; color: #d2e6f3; margin-bottom: 9px; }
.shot-record.is-complete .shot-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.shot-record.is-complete .shot-card { padding: 12px 8px; }
.shot-record.is-complete .shot-card svg { width: 65px; }
.shot-card.shot-miss { background: #b0c8e112; border-color: #c9def12e; }
.shot-miss circle { fill: #53748f; stroke: #a4bbcd; }
.shot-miss path { stroke: #aac4d5; }
.shot-miss strong { color: #c7d9e6; }
.record-answer { margin-top: 22px; }
.record-answer > strong { font-size: 31px; color: var(--gold); }
.record-answer > p { font-size: 24px; margin-top: 10px; }
.record-answer .record-memory { color: var(--aqua); font-size: 22px; font-weight: 750; }
.photo-message { max-width: 680px; padding: 20px 26px; margin: 24px auto 18px; text-align: left; border-radius: 20px; background: #203e64e6; border: 1px solid #badcee45; }
.photo-message > span { font-size: 15px; color: #c5dff1; }
.photo-message p { font-size: clamp(22px, 2.8vw, 30px); margin-top: 6px; line-height: 1.6; }
.photo-message strong { color: var(--gold); }
.photo-response { max-width: 740px; margin: 20px auto 0; padding: 22px; border: 1px solid #9ee9db80; border-radius: 20px; background: #164655e6; }
.photo-response > span { font-size: 16px; color: var(--aqua); }
.photo-response > p { font-size: clamp(23px, 2.5vw, 31px); margin: 8px 0; }
.photo-response > small { font-size: 17px; color: #e3f4f9; line-height: 1.7; }
.pause-scene .pause-experience { margin-top: 18px; }
.pause-permission { max-width: 600px; margin: 12px auto 0; color: #d2e6f3; font-size: 17px; line-height: 1.7; }
body[data-scene="13"] #scene-guidance { display: none; }
#scene-13 { padding-top: 24px; row-gap: 32px; }
#scene-13 h2 { font-size: clamp(36px, 3.4vw, 46px); }
#scene-13 .photo-message { margin: 18px auto 14px; padding: 16px 22px; }
#scene-13 .photo-message p { font-size: clamp(21px, 2vw, 27px); line-height: 1.5; }
#scene-13 .photo-message > small { margin-top: 8px; font-size: 16px; }
#scene-13 .pause-experience { margin: 14px auto 12px; }
#scene-13 .pause-orb { width: 150px; height: 150px; }
#pause-start[aria-disabled="true"] { cursor: default; }
#scene-13 .pause-orb > small { font-size: 13px; letter-spacing: .5px; }
#scene-13 .pause-steps p { margin: 0 0 14px; white-space: normal; color: #e9deff; }
#scene-13 .pause-steps p > small { font-size: 16px; color: #cadcee; }
.pause-count-track { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; width: 184px; }
.pause-count-track > span { display: grid; place-items: center; min-width: 0; height: 32px; border: 1px solid #cbb9ee75; border-radius: 50%; color: #cbd9ed; font-size: 17px; font-variant-numeric: tabular-nums; }
.pause-count-track > span.is-lit { color: #193953; background: #ffe3ad; border-color: #ffe3ad; }
#scene-13 .pause-toolkit { grid-column: 1 / -1; grid-row: 2; width: 100%; max-width: 1160px; margin: 0 auto; padding-top: 32px; border-top: 1px solid #b6d6ef42; scroll-margin-top: 100px; outline: none; }
.pause-toolkit-heading { text-align: center; margin-bottom: 24px; }
.pause-toolkit-heading > span { color: var(--aqua); font-size: 17px; }
.pause-toolkit-heading h3 { font-size: clamp(26px, 3vw, 38px); line-height: 1.4; margin: 9px 0; }
.pause-toolkit-heading > p { font-size: clamp(19px, 2vw, 25px); color: #e9deff; }
.pause-tool-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.pause-tool-cards article { padding: 24px; border: 1px solid #cbb9ee50; border-radius: 22px; background: linear-gradient(145deg, #31446ed9, #213550ed); }
.pause-tool-cards article > span { font-size: 15px; color: #cfdef4; }
.pause-tool-cards h4 { font-size: clamp(24px, 2.3vw, 31px); margin: 12px 0; color: #fff0d2; }
.pause-tool-cards p { font-size: clamp(20px, 1.8vw, 24px); line-height: 1.7; }
.pause-tool-cards strong { display: block; color: #fff0d2; margin-top: 10px; }
.pause-tool-cards small { display: block; margin-top: 16px; font-size: 17px; line-height: 1.7; color: #d8e8f5; }
.pause-antifragile { margin-top: 22px; padding: 24px; text-align: center; border: 1px solid #ffe4ac70; border-radius: 22px; background: #423d63b3; }
.pause-antifragile > span { font-size: 22px; font-weight: 750; color: var(--gold); }
.pause-antifragile h4 { margin: 12px 0; font-size: clamp(23px, 2.4vw, 32px); line-height: 1.7; }
.pause-antifragile p { font-size: 20px; line-height: 1.8; }
.pause-antifragile small { display: block; margin-top: 10px; font-size: 17px; line-height: 1.8; color: #d9e7f5; }
.pause-antifragile-break { display: none; }
.pause-support { display: grid; grid-template-columns: minmax(280px, .9fr) 1.4fr; gap: 8px 32px; margin-top: 22px; padding: 24px 28px; border-radius: 22px; border: 1px solid #9ee9db80; background: #164655e6; }
.pause-support > span { color: var(--aqua); font-size: 17px; }
.pause-support > p { grid-column: 1; font-size: clamp(24px, 2.4vw, 30px); line-height: 1.6; }
.pause-support > small { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-size: 18px; line-height: 1.85; color: #e3f4f9; }
.pause-ai-note { margin: 24px auto 0; text-align: center; font-size: 20px; line-height: 1.85; color: #d8e8f5; }
.pause-ai-note strong { color: var(--gold); }
@media (max-width: 760px) {
  #scene-13 .room-portrait { grid-row: 3; }
  #scene-13 .pause-toolkit { scroll-margin-top: 155px; }
  #scene-13 .pause-experience { flex-direction: row; gap: 16px; }
  #scene-13 .pause-orb { width: 130px; height: 130px; }
  #scene-13 .pause-steps p { font-size: 20px; }
  #scene-13 .pause-steps p > span { margin-right: 5px; }
  .pause-count-track { width: 124px; gap: 4px; }
  .pause-count-track > span { height: 22px; font-size: 14px; }
  .pause-antifragile { padding: 22px 16px; }
  .pause-antifragile h4 { font-size: 21px; }
  .pause-antifragile-break { display: initial; }
  .pause-tool-cards { grid-template-columns: minmax(0, 1fr); }
  .pause-tool-cards article { padding: 22px; }
  .pause-support { display: block; padding: 22px; }
  .pause-support > p { margin: 12px 0; }
  .pause-support > small { display: block; font-size: 17px; }
  .pause-ai-note { font-size: 18px; text-align: left; }
  .pause-permission { font-size: 16px; }
}
@media (max-width: 650px) {
  .shot-record { padding: 16px; border-radius: 20px; }
  .record-heading { font-size: 18px; }
  .shot-grid { gap: 8px; }
  .shot-card { padding: 12px 4px; border-radius: 12px; }
  .shot-card strong { font-size: 17px; }
  .shot-number { font-size: 14px; }
  .shot-record.is-complete .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .record-answer > strong { font-size: 25px; }
  .record-answer > p, .record-answer .record-memory { font-size: 19px; }
  .photo-message, .photo-response { padding: 17px; }
  .photo-response > small { font-size: 15px; }
}

/* One model, two possible events: discuss each perspective before showing replies. */
body[data-scene="12"] #scene-guidance { display: none; }
#scene-12 { padding-top: 25px; padding-bottom: 45px; }
#scene-12 .scene-inner { max-width: 1160px; }
#scene-12 .section-heading { margin-bottom: 24px; }
#scene-12 h2 { font-size: clamp(31px, 3.5vw, 44px); line-height: 1.4; }
.story-image-button { position: relative; display: block; width: 100%; padding: 0; text-align: left; border-radius: 20px; overflow: hidden; }
.story-image-button img { display: block; width: 100%; height: auto; object-fit: contain; background: #efdec0; }
.story-image-button > span { position: absolute; right: 9px; bottom: 9px; padding: 7px 10px; border-radius: 9px; color: #fff9e9; background: #153652df; font-size: 13px; line-height: 1.3; }
.story-image-button:focus-visible { outline-offset: -5px; }
.model-overview, .model-case-story { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: center; gap: 36px; text-align: left; }
.model-overview { max-width: 980px; margin: 0 auto 26px; }
.model-overview h3, .model-case-story h3 { margin: 14px 0; color: #ffe1b5; font-size: clamp(28px, 3vw, 38px); line-height: 1.5; }
.model-overview p, .model-case-story p { margin: 16px 0; color: #f2f6fa; font-size: 24px; line-height: 1.75; }
.model-overview small { color: #cee4ed; font-size: 17px; line-height: 1.7; }
.model-case-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 25px 0 35px; }
.model-case-choices > button { padding: 22px 24px; min-width: 0; border: 1px solid #9ddfd477; border-radius: 20px; background: #194a61; text-align: left; transition: background .2s, box-shadow .2s; }
.model-case-choices > button + button { background: #4c405e; border-color: #f3cdb477; }
.model-case-choices > button[aria-pressed="true"] { box-shadow: inset 0 0 0 3px #fff2c7; }
.model-case-choices span, .model-case-choices strong, .model-case-choices small { display: block; }
.model-case-choices span { color: #aaf0de; font-size: 16px; margin-bottom: 8px; }
.model-case-choices strong { color: #fff6e6; font-size: clamp(22px, 2.3vw, 28px); line-height: 1.5; }
.model-case-choices small { color: #d9eaf3; font-size: 16px; margin-top: 10px; }
.model-case { padding: 28px; margin-bottom: 28px; border: 1px solid #a6edda66; border-radius: 24px; background: #163e53ee; text-align: center; outline: none; scroll-margin-top: 105px; }
.model-case[data-model-panel="accident"] { background: #363950ee; border-color: #edc6aa66; }
.model-role-prompts, .model-responses, .model-takeaway-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 26px; text-align: left; }
.model-role-prompts > div, .model-responses > article, .model-takeaway-grid > article { min-width: 0; padding: 20px 22px; border: 1px solid #bddeeb55; border-radius: 18px; background: #0f2d40a6; }
.model-role-prompts span, .model-responses span, .model-takeaway-grid span { display: block; color: #afeedb; font-size: 18px; margin-bottom: 10px; }
.model-role-prompts p, .model-responses p, .model-takeaway-grid p { margin: 0; color: #fff6e9; font-size: 24px; line-height: 1.75; }
.model-responses small, .model-takeaway small { display: block; color: #d4e6ef; font-size: 18px; line-height: 1.8; margin-top: 16px; }
.model-discussion-hint { color: #d6e6ef; margin: 20px 0; font-size: 17px; }
.model-wrapup { padding: 28px; border: 1px solid #e7d6b36b; border-radius: 24px; background: #183c54; text-align: center; }
.model-wrapup > h3 { font-size: clamp(27px, 2.7vw, 35px); color: #ffe1b5; margin: 17px 0; line-height: 1.5; }
.model-wrapup > p { font-size: 23px; line-height: 1.8; margin: 18px 0; }
.model-help-script { margin-top: 22px; padding: 23px; border-radius: 18px; background: #234a61; text-align: left; }
.model-help-script h4 { color: #ffe2b6; margin: 0 0 12px; font-size: 23px; line-height: 1.6; }
.model-help-script p { color: #fff6ea; font-size: 26px; line-height: 1.8; margin: 0; }
.model-ai-line { margin: 25px 0 0; font-size: 22px; line-height: 1.8; color: #ecf6f6; }
#map-3 .model-map-nodes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 35px; height: auto; padding: 15px 0 75px; }
#map-3 .model-map-nodes > .world-node { position: relative; inset: auto; width: 100%; min-width: 0; max-width: 500px; justify-self: center; }
#map-3 .model-map-nodes > .sailing-route { display: none; }
@media (max-width: 760px) {
  .model-overview, .model-case-story, .model-role-prompts, .model-responses, .model-takeaway-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .model-overview { max-width: 520px; }
  .model-case { scroll-margin-top: 175px; }
  #map-3 .model-map-nodes { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}
@media (max-width: 650px) {
  #scene-12 .scene-inner { width: calc(100% - 28px); }
  #scene-12 .eyebrow > span { display: block; margin-top: 8px; font-size: 12px; }
  .model-case-choices { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .model-case-choices > button { padding: 20px; }
  .model-case, .model-wrapup { padding: 20px 14px; }
  .model-overview p, .model-case-story p, .model-role-prompts p, .model-responses p, .model-takeaway-grid p { font-size: 21px; }
  .model-case-story h3 { font-size: 29px; }
  .model-role-prompts > div, .model-responses > article, .model-takeaway-grid > article, .model-help-script { padding: 18px; }
  .model-responses small, .model-takeaway small { font-size: 17px; }
  .model-wrapup > p, .model-ai-line { font-size: 20px; }
  .model-help-script h4 { font-size: 21px; }
  .model-help-script p { font-size: 23px; }
  #scene-12 .primary-button, #scene-12 .secondary-button { width: 100%; padding: 15px 12px; }
}

/* Six people, one short rule; the story follows the game. */
/* The closing activity is spoken appreciation, with no voting or score controls. */
body[data-scene="15"] #scene-guidance { display: none; }
#scene-15 { padding: 28px 0 38px; overflow: hidden; }
#scene-15 .scene-inner { position: relative; max-width: 1160px; z-index: 1; }
#scene-15 .section-heading { margin-bottom: 24px; }
#scene-15 h2 { font-size: clamp(32px, 4vw, 49px); line-height: 1.4; }
.appreciation-layout { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); align-items: center; gap: 35px; }
.appreciation-art { margin: 0; }
.appreciation-art img { display: block; width: 100%; height: auto; max-height: 450px; object-fit: contain; border-radius: 30px; filter: drop-shadow(0 0 25px #a7eade44); }
.appreciation-steps { list-style: none; padding: 0; margin: 0; }
.appreciation-steps li { display: flex; align-items: baseline; gap: 15px; margin-bottom: 15px; }
.appreciation-steps li > span { color: #a7eada; font-size: 18px; font-weight: 750; flex: 0 0 28px; }
.appreciation-steps p { margin: 0; font-size: 22px; line-height: 1.7; color: #eef5f8; }
.appreciation-starter { margin: 24px 0 15px; padding: 22px 24px; border: 1px solid #eed39b88; border-radius: 22px; background: #28485ac7; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.9; color: #fff3ce; }
.appreciation-starter span { color: #9df3df; white-space: nowrap; }
.appreciation-note { color: #c9e0e9; font-size: 17px; line-height: 1.7; }
.appreciation-closing { text-align: center; margin: 28px 0 18px; font-size: 20px; line-height: 1.8; color: #d7eaf4; }
.appreciation-closing strong { color: #ffe6b8; font-size: 24px; }
#scene-15 .classroom-photo-badge { width: fit-content; max-width: 100%; margin: 20px auto 0; text-align: center; font-size: clamp(18px, 2vw, 25px); }
.appreciation-sparkles { position: absolute; inset: 0; pointer-events: none; opacity: .65; }
.appreciation-sparkles i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #fff0b7; box-shadow: 0 0 17px 5px #fff0b740; animation: appreciation-twinkle 4s ease-in-out infinite alternate; }
.appreciation-sparkles i:nth-child(1) { top: 12%; left: 7%; }
.appreciation-sparkles i:nth-child(2) { top: 24%; left: 91%; animation-delay: -2s; }
.appreciation-sparkles i:nth-child(3) { top: 60%; left: 3%; animation-delay: -1s; }
.appreciation-sparkles i:nth-child(4) { top: 83%; left: 90%; animation-delay: -3s; }
.appreciation-sparkles i:nth-child(5) { top: 5%; left: 58%; animation-delay: -2.5s; }
.appreciation-sparkles i:nth-child(6) { top: 94%; left: 37%; animation-delay: -.5s; }
@keyframes appreciation-twinkle { from { opacity: .2; transform: scale(.7); } to { opacity: 1; transform: scale(1.4); } }
body.motion-off .appreciation-sparkles i { animation: none; }
@media (prefers-reduced-motion: reduce) { .appreciation-sparkles i { animation: none; } }
#map-4 .appreciation-map { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 35px; height: auto; padding: 15px 0 75px; }
#map-4 .appreciation-map > .world-node { position: relative; inset: auto; width: 100%; min-width: 0; max-width: 560px; justify-self: center; }
@media (max-width: 760px) {
  #map-4 .appreciation-map { grid-template-columns: minmax(0, 1fr); }
  .appreciation-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .appreciation-art img { max-height: 350px; }
  .appreciation-steps p { font-size: 21px; }
  .appreciation-starter { font-size: 24px; padding: 20px 15px; }
  .appreciation-closing strong { font-size: 22px; }
}
@media (max-width: 650px) {
  #scene-15 .scene-inner { width: calc(100% - 28px); }
  #scene-15 .eyebrow > span { display: block; margin-top: 8px; font-size: 12px; }
  .appreciation-steps li { gap: 10px; }
}

.lesson-compass { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; max-width: 900px; margin: 0 auto 28px; }
/* The last page stays on screen while students write and exchange real paper notes. */
body[data-scene="16"] #scene-guidance { display: none; }
#scene-16 { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 28px 0 40px; }
#scene-16 .scene-inner { grid-column: 1; width: calc(100% - 80px); max-width: 1160px; margin: 0 auto; }
#scene-16 .section-heading { margin-bottom: 26px; }
#scene-16 h2 { font-size: clamp(31px, 3.5vw, 44px); line-height: 1.4; }
.note-portal { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 270px; max-width: 82%; min-height: 290px; margin: 0 auto; padding: 24px 20px; color: #3c5361; background: #fff0b9; border-radius: 5px 5px 34px 5px; box-shadow: 8px 14px 0 #fff0b92b, 0 20px 45px #09203966; transform: rotate(-5deg); }
.note-portal > span { font-size: 24px; font-weight: 700; }
.note-portal > strong { font-size: 108px; line-height: 1.4; color: #247c82; }
.note-portal > small { font-size: 19px; }
.question-note-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: center; gap: 36px; }
.question-note-sample { color: #344f5c; background: #fff1bd; border-radius: 7px 7px 30px 7px; padding: 27px 29px; box-shadow: 8px 10px 0 #fff1bd24; }
.note-subjects { display: block; font-size: 20px; color: #397a7f; }
.question-note-sample h3 { margin: 22px 0 14px; font-size: 32px; line-height: 1.4; }
.question-note-sample p { font-size: 23px; line-height: 1.7; margin: 0 0 18px; }
.question-note-sample > small { display: block; font-size: 17px; line-height: 1.6; color: #536b73; }
.note-names { display: grid; gap: 17px; margin-top: 26px; padding-top: 20px; border-top: 1px dashed #56878b88; font-size: 20px; }
.question-note-steps { margin: 0; padding: 0; list-style: none; }
.question-note-steps li { display: flex; gap: 17px; margin-bottom: 22px; }
.question-note-steps li > span { color: #9cf1db; font-size: 19px; font-weight: 700; flex: 0 0 30px; margin-top: 6px; }
.question-note-steps h3 { margin: 0 0 8px; font-size: 25px; line-height: 1.5; color: #ffe4b1; }
.question-note-steps p { margin: 0; font-size: 21px; line-height: 1.7; color: #ebf4f7; }
.question-note-reward { display: flex; align-items: center; gap: 22px; margin: 30px 0 22px; padding: 23px 28px; border: 1px solid #e4cd9c99; border-radius: 22px; background: #2c4a5de6; }
.reward-symbol { flex: 0 0 55px; font-size: 65px; color: #ffe198; }
.question-note-reward h3 { margin: 0 0 12px; font-size: 27px; line-height: 1.5; color: #ffe5b5; }
.question-note-reward p { margin: 0; font-size: 22px; line-height: 1.75; }
.question-note-reward small { display: block; font-size: 17px; color: #d0e3ee; line-height: 1.7; margin-top: 14px; }
.question-note-ai { color: #cbebe4; font-size: 19px; line-height: 1.75; text-align: center; margin: 23px 0; }
.question-note-signoff { font-size: 24px; line-height: 1.8; text-align: center; }
.lesson-farewell { max-width: 900px; margin: 34px auto 24px; padding: 28px 20px; border-top: 1px solid #ffe0ac66; text-align: center; }
.lesson-farewell p { text-wrap: balance; }
.lesson-farewell .farewell-from { margin: 0 0 16px; color: #ffe6b9; font-size: clamp(25px, 3vw, 34px); line-height: 1.6; }
.farewell-from strong { color: #fff0cf; }
.lesson-farewell > p + p { margin: 0; color: #e5f2f4; font-size: clamp(20px, 2vw, 25px); line-height: 1.85; }
#scene-16 .classroom-photo-badge { width: fit-content; max-width: 100%; margin: 20px auto 0; text-align: center; font-size: clamp(18px, 2vw, 25px); }
@media (max-width: 760px) {
  .question-note-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .lesson-farewell br { display: none; }
  .question-note-sample { max-width: 520px; width: 100%; justify-self: center; }
  .question-note-reward { align-items: flex-start; gap: 12px; padding: 22px 18px; }
  .reward-symbol { flex-basis: 28px; font-size: 35px; }
}
@media (max-width: 650px) {
  #scene-16 .scene-inner { width: calc(100% - 28px); }
  #scene-16 .eyebrow > span { display: block; margin-top: 8px; font-size: 12px; }
  .question-note-sample { padding: 23px 20px; }
  .question-note-sample h3 { font-size: 29px; }
  .note-subjects, .note-names { font-size: 18px; }
  .question-note-steps h3 { font-size: 23px; }
  .question-note-reward h3 { font-size: 23px; }
  .question-note-reward p { font-size: 20px; }
  .question-note-signoff { font-size: 21px; }
}
.lesson-compass p { margin: 0; padding: 18px 22px; border: 1px solid #b6ecdb55; border-radius: 18px; background: #1a4856b0; text-align: center; }
.lesson-compass strong { display: block; margin-bottom: 8px; color: #b8f7e5; font-size: 25px; }
.lesson-compass span { color: #f6ebd8; font-size: 20px; line-height: 1.6; }
.lesson-compass p + p { background: #44364e9c; border-color: #f7d8ba55; }
.lesson-compass p + p strong { color: #ffdbbe; }
.lesson-thread strong { color: #c0f8e7; }
.lesson-thread strong + strong { margin-left: 1em; }
.story-answer .ai-help-example { padding-top: 16px; border-top: 1px solid #b6ecdb40; font-size: 19px; }
.ai-help-example > strong { color: #adffe5; }
.ai-help-example > span { color: #c6dfe9; font-size: 17px; }
.kind-ai-example { padding: 17px 22px; margin: 0 0 24px; border-left: 3px solid #a6edda; border-radius: 0 16px 16px 0; background: #173f55d9; color: #f2f7f9; font-size: 20px; line-height: 1.75; }
.kind-ai-example > strong { color: #ffe2b5; }
.kind-ai-example > span { display: block; color: #b6f4e4; }
.final-signoff strong { display: inline-block; margin-top: 10px; color: #d3fff0; font-size: clamp(23px, 2.3vw, 30px); line-height: 1.6; }
@media (max-width: 650px) {
  .lesson-compass { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .lesson-compass p { padding: 15px; }
  .lesson-compass strong { font-size: 23px; }
  .lesson-compass span { font-size: 18px; }
  .kind-ai-example { padding: 15px 16px; font-size: 18px; }
}
.chapter-path .chapter-live-activity { display: flex; align-items: center; padding: 12px 16px; color: #c5f6e8; font-size: 16px; line-height: 1.6; }
.chapter-live-note { padding: 14px 18px; color: #dcecf4; line-height: 1.7; }
.relay-live-label { display: block; margin-bottom: 10px; color: #b5f4e2; font-size: 17px; }
.relay-quick-rules .relay-game-bridge { margin-top: 16px; padding-top: 15px; border-top: 1px solid #b6ecdb33; color: #ffe4b7; }
.relay-quick-rules { position: relative; z-index: 2; max-width: 960px; margin: 10px auto 34px; padding: 26px 30px; border: 1px solid #b6ecdb66; border-radius: 24px; background: #153d52e8; text-align: center; }
.relay-quick-rules h3 { font-size: clamp(25px, 3vw, 35px); color: #ffe4b7; }
.relay-role-flow { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 16px; margin: 23px 0 18px; }
.relay-role-flow > span { display: flex; gap: 12px; align-items: center; font-size: 24px; }
.relay-role-flow b { display: grid; place-items: center; min-width: 58px; height: 52px; padding: 0 10px; border-radius: 14px; background: #a5f9dd26; color: #affce4; }
.relay-role-flow i { color: #afc9d6; font-style: normal; font-size: 27px; }
.relay-quick-rules > p { font-size: 19px; line-height: 1.9; color: #e0eef6; }
#map-2 .map-playground { display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; max-width: 1040px; height: auto; padding: 10px 0 65px; }
#map-2 .map-playground > .world-node { position: relative; inset: auto; width: 100%; min-width: 0; max-width: 560px; justify-self: center; align-self: center; }
#map-2 .sailing-route { height: 70%; opacity: .25; }
#map-2 .picture-node .photo-portal { width: min(430px, 100%); }
#map-2 .picture-well-fable .node-object { width: 520px; max-width: calc(100% - 28px); }
#map-2 .picture-well-fable .photo-portal { width: 100%; padding: 8px; border: 1px solid #f6dfb8; border-radius: 14px; background: #f3e2c5; box-shadow: 0 24px 45px #061c4c6b, 0 0 38px #f5c38326; }
#map-2 .picture-well-fable .photo-portal::after { box-shadow: none; }
#map-2 .picture-well-fable .node-art-source { display: block; margin-top: 12px; color: #d4ddd9; font-size: 13px; line-height: 1.6; font-style: normal; }
.well-story-scene { padding: 25px 0 35px; }
body[data-scene="9"] #scene-guidance { display: none; }
.well-story-scene .scene-inner { max-width: 1100px; }
.well-story-scene .section-heading { margin-bottom: 20px; }
.well-story-scene .eyebrow { margin-bottom: 12px; font-size: 12px; }
.well-story-scene h2 { font-size: clamp(31px, 3.4vw, 44px); }
.well-story-scene .lead { margin-top: 14px; font-size: 21px; line-height: 1.65; }
.well-story-overview { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); align-items: center; gap: 36px; text-align: left; }
.well-book-illustration { margin: 0; min-width: 0; }
.well-book-illustration img { display: block; width: 100%; height: auto; padding: 6px; border: 1px solid #f6dfb8; border-radius: 12px; background: #f3e2c5; object-fit: contain; box-shadow: 0 14px 34px #091e424d; }
.well-book-illustration figcaption { margin-top: 10px; color: #c8dce5; font-size: 12px; line-height: 1.6; text-align: center; }
.well-story-background h3 { margin: 0 0 16px; color: #b6f4e4; font-size: 18px; }
.well-story-background ol { display: grid; gap: 17px; margin: 0; padding: 0; list-style: none; counter-reset: well-background; }
.well-story-background li { position: relative; padding-left: 39px; counter-increment: well-background; }
.well-story-background li::before { content: counter(well-background); position: absolute; top: 0; left: 0; display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid #b9e5dc70; border-radius: 50%; color: #bcf3e3; font-size: 15px; }
.well-story-background li > span { display: block; color: #bcdfe9; font-size: 16px; line-height: 1.7; }
.well-story-background p { margin: 5px 0 0; color: #f4f8fb; font-size: clamp(20px, 1.8vw, 24px); line-height: 1.65; }
.well-story-background strong { color: #ffe0b2; font-weight: 650; }
.well-story-scene .well-discussion-button { margin-top: 23px; }
.well-story-discussion { margin-top: 36px; padding-top: 24px; border-top: 1px solid #b6ecdb40; scroll-margin-top: 90px; outline: none; }
.well-story-discussion h3 { margin: 0 0 22px; color: #d5f6ef; font-size: clamp(25px, 2.6vw, 32px); }
.well-quotes { display: grid; grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr); align-items: stretch; gap: 15px; margin: 0 0 22px; }
.well-quotes article { padding: 23px; border-radius: 22px; border: 1px solid #b6ecdb66; background: #173f55; text-align: left; }
.well-quotes .well-retelling { background: #423c57; border-color: #ffdc9e66; }
.well-quotes blockquote { margin: 16px 0 8px; color: #ffe1b2; font-size: clamp(25px, 3vw, 34px); font-weight: 750; line-height: 1.45; }
.well-quotes p { margin: 0; color: #e5eef7; font-size: 20px; }
.well-transfer { align-self: center; color: #b4efe3; font-size: 36px; }
.well-story-scene .story-question { font-size: 25px; margin-bottom: 15px; }
.well-story-scene .primary-button { min-height: 52px; padding: 14px 27px; font-size: 21px; }
.well-story-scene .mobile-only { display: none; }
#well-story-answer { margin-top: 25px; }
#well-story-answer blockquote { margin: 16px 0; font-size: clamp(23px, 2.6vw, 30px); line-height: 1.65; color: #f1f8fd; }
#well-story-answer blockquote strong { color: #aeffe4; }
#well-story-answer .story-memory { font-size: 29px; font-weight: 750; }
#well-story-answer .well-ai-connection { padding-top: 14px; border-top: 1px solid #b6ecdb40; font-size: 19px; color: #d6eaf6; }
#well-story-answer .well-ai-connection > strong { color: #b6f4e4; }
#well-story-answer .well-ai-connection > p { margin: 10px 0; font-size: 21px; }
#well-story-answer .well-ai-connection > span { display: block; font-size: 17px; }
@media (max-width: 850px) {
  .well-story-overview { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .well-book-illustration { width: min(310px, 100%); justify-self: center; }
}
@media (max-width: 650px) {
  .well-story-scene .scene-inner { width: calc(100% - 28px); }
  .well-story-scene .eyebrow > span { display: block; margin-top: 7px; }
  .well-story-scene .lead { font-size: 18px; }
  .well-book-illustration { width: min(260px, 100%); }
  .well-story-background li { padding-left: 34px; }
  .well-story-background p { font-size: 20px; }
  .well-story-discussion { scroll-margin-top: 150px; }
  .well-quotes { grid-template-columns: 1fr; gap: 8px; }
  .well-quotes article { padding: 18px; }
  .well-quotes blockquote { font-size: 26px; margin-top: 10px; }
  .well-quotes p { font-size: 18px; }
  .well-transfer { transform: rotate(90deg); font-size: 29px; line-height: 1; }
  .well-story-scene .story-question { font-size: 23px; }
  .well-story-scene .primary-button { width: 100%; font-size: 18px; padding: 14px 12px; }
  .well-story-scene .mobile-only { display: inline; }
  #well-story-answer blockquote { font-size: 22px; }
  #well-story-answer blockquote br { display: none; }
  #well-story-answer .story-memory { font-size: 25px; }
  #well-story-answer .well-ai-connection { font-size: 17px; }
}
.rumor-scene .scene-inner, .filter-lesson { max-width: 1100px; }
.rumor-scene h2 { font-size: clamp(32px, 3.7vw, 48px); }
.rumor-story { text-align: center; }
.rumor-panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 23px; }
.rumor-panels article { padding: 25px; border-radius: 24px; border: 1px solid #d0e4fa44; background: #153e5ade; }
.rumor-panels .rumor-message { background: #563852ab; border-color: #ffc0ae55; }
.story-label { color: #c6dfef; font-size: 17px; }
.rumor-panels article > p { font-size: clamp(24px, 3vw, 32px); line-height: 1.7; margin: 14px 0; }
.rumor-panels strong { color: #ffdaa9; }
.rumor-panels small { display: block; color: #d8e9f3; font-size: 17px; line-height: 1.7; }
.rumor-feeling { margin: 25px 0 18px; padding: 24px; border-left: 4px solid #a7efe0; border-radius: 0 20px 20px 0; background: #194b617d; font-size: clamp(25px, 3vw, 34px); line-height: 1.65; }
.rumor-feeling > span { display: block; font-size: 16px; color: #b4ede3; margin-bottom: 8px; }
.story-question { font-size: 23px; color: #ffdfb9; margin-bottom: 20px; }
.story-answer { margin-top: 24px; padding: 25px; border: 1px solid #a6edda66; border-radius: 22px; background: #194357e8; text-align: center; }
.story-answer > strong { font-size: clamp(24px, 2.7vw, 31px); color: #adffe5; line-height: 1.6; }
.story-answer p { font-size: 21px; line-height: 1.8; margin-top: 14px; }
.story-answer .story-memory { color: #ffe3b6; }
.photo-message > small { display: block; margin-top: 12px; color: #d5e7f3; font-size: 17px; line-height: 1.7; }
#scene-14 .filter-lesson { width: calc(100% - 70px); }
.information-filters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 28px 0; }
.information-filters article { border: 1px solid #b8dfef55; border-radius: 20px; background: #183e58e6; padding: 24px; }
.information-filters article > span { color: #aafbe0; font-size: 18px; }
.information-filters h3 { color: #ffe0b6; font-size: 27px; margin: 16px 0 12px; }
.information-filters p { font-size: 21px; line-height: 1.8; color: #e6f1fa; }
@media (max-width: 760px) {
  .relay-quick-rules { margin: 0 12px 25px; padding: 22px 15px; }
  .relay-role-flow { gap: 10px; }
  .relay-role-flow > span { flex-direction: column; gap: 6px; font-size: 18px; }
  .relay-role-flow b { min-width: 48px; height: 46px; }
  .relay-role-flow i { font-size: 20px; }
  .relay-quick-rules > p { font-size: 16px; }
  #map-2 .map-playground { gap: 28px; }
  .story-answer p { font-size: 18px; }
  .rumor-panels, .information-filters { grid-template-columns: 1fr; }
  .rumor-panels article { padding: 21px; }
  .story-question { font-size: 20px; }
  .story-answer { padding: 20px 15px; }
  #scene-14 .filter-lesson { width: calc(100% - 36px); }
  .information-filters article { padding: 20px; }
}