.comprehension-section { margin: 8px 0 36px; padding: 27px; border: 1px solid #dedfd2; border-radius: 23px; background: #f6f4e9; }
.comprehension-section[hidden], .comprehension-dialog [hidden] { display: none; }
.comprehension-section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.comprehension-section-heading .eyebrow { font-size: 10px; margin: 0 0 8px; }
.comprehension-section-heading h3 { font-size: clamp(23px, 3vw, 29px); line-height: 1.3; letter-spacing: -.6px; margin: 0 0 10px; }
.comprehension-section-heading p:last-child { font-size: 14px; line-height: 1.7; color: #506249; margin: 0; }
.comprehension-section-tag { padding: 9px 12px; border-radius: 20px; background: #e6ecdf; color: #405f46; font-size: 11px; font-weight: 800; white-space: nowrap; }
.comprehension-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.comprehension-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; border: 1px solid #dde3d5; border-radius: 17px; background: #fffefb; color: #233d35; text-align: left; font: inherit; cursor: pointer; }
.comprehension-card:hover { border-color: #387553; box-shadow: 0 5px 16px #324b3510; }
.comprehension-card-art { display: grid; place-items: center; width: 100%; background: var(--story-tint); padding: 8px 22px; }
.comprehension-card-art svg { display: block; width: 100%; height: 137px; }
.comprehension-card-copy { display: flex; flex: 1; flex-direction: column; padding: 18px; }
.comprehension-card-copy > small { font-size: 10px; font-weight: 800; color: #566a52; }
.comprehension-card-copy > strong { font-size: 18px; line-height: 1.35; margin: 7px 0; }
.comprehension-card-copy > span { font-size: 12px; line-height: 1.65; color: #566a52; margin-bottom: 15px; }
.comprehension-card-copy > b { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 5px; font-size: 12px; color: #286744; margin-top: auto; padding-top: 12px; border-top: 1px solid #e8ecdf; }
.comprehension-card-copy > b > span { font-weight: 700; color: #566a52; }
.comprehension-dialog { padding: 0; width: min(870px, calc(100vw - 32px)); max-width: 870px; max-height: calc(100dvh - 32px); border: 0; border-radius: 23px; background: #fffdf7; color: #233d35; box-shadow: 0 18px 80px #17332645; }
.comprehension-dialog::backdrop { background: #163b2d80; backdrop-filter: blur(5px); }
.comprehension-dialog-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 23px 28px; border-bottom: 1px solid #e6e9df; position: sticky; top: 0; z-index: 2; background: #fffdf7; }
.comprehension-dialog-header .eyebrow { font-size: 10px; margin: 0 0 7px; }
.comprehension-dialog-header h3 { font-size: 25px; line-height: 1.3; margin: 0; }
.comprehension-body { padding: 28px; }
.comprehension-story-layout { display: grid; grid-template-columns: minmax(180px, .75fr) minmax(0, 1.25fr); gap: 28px; align-items: start; }
.comprehension-scene { background: var(--story-tint); border-radius: 18px; padding: 18px; text-align: center; }
.comprehension-scene svg { display: block; width: 100%; height: auto; }
.comprehension-scene span { display: block; font-size: 11px; line-height: 1.6; margin: 10px 0; font-weight: 800; }
.comprehension-step { font-size: 12px; font-weight: 800; color: #506249; margin: 0 0 15px; }
.comprehension-text p { font-size: 19px; line-height: 1.8; margin: 0 0 16px; }
.comprehension-actions { display: flex; justify-content: flex-start; flex-wrap: wrap; gap: 10px; margin-top: 23px; }
.comprehension-dialog .btn { min-height: 48px; font-size: 13px; padding: 12px 18px; }
.comprehension-helper { color: #566a52; font-size: 12px; line-height: 1.65; margin: 14px 0 0; }
.comprehension-dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 16px 28px; border-top: 1px solid #e6e9df; background: #f2f5eb; position: sticky; bottom: 0; z-index: 2; }
.comprehension-status { font-size: 12px; line-height: 1.65; color: #405f46; margin: 0; }
.comprehension-stop { min-height: 44px; flex-shrink: 0; border: 1px solid #bccbb6; border-radius: 12px; background: #fffdf7; color: #304d36; font: 800 12px 'Nunito', sans-serif; padding: 10px 15px; cursor: pointer; }
.comprehension-stop:disabled { color: #70816b; opacity: .65; cursor: default; }
.comprehension-quiz h4, .comprehension-complete h4 { font-size: clamp(22px, 3vw, 29px); line-height: 1.4; margin: 0 0 16px; }
.comprehension-hear { margin-bottom: 20px; }
.comprehension-choices { display: grid; grid-template-columns: repeat(var(--choice-count, 3), minmax(0, 1fr)); gap: 15px; }
.comprehension-choice { min-height: 154px; display: flex; align-items: center; flex-direction: column; justify-content: center; gap: 10px; padding: 16px 12px; border: 2px solid #dce3d4; border-radius: 17px; color: #233d35; background: #fff; font: 800 17px 'Nunito', sans-serif; cursor: pointer; }
.comprehension-choice svg { width: 86px; height: 78px; }
.comprehension-choice:hover:enabled { background: #f2f5eb; border-color: #6c9067; }
.comprehension-choice.is-correct { background: #e7f1de; border-color: #387553; }
.comprehension-choice:disabled { cursor: default; }
.comprehension-choice:disabled:not(.is-correct) { opacity: .65; }
.comprehension-feedback { min-height: 29px; font-size: 16px; line-height: 1.7; font-weight: 800; color: #286744; margin: 18px 0 8px; }
.comprehension-next-row { min-height: 48px; }
.comprehension-reminder { margin-top: 24px; padding: 18px; border: 1px solid #dce3d4; border-radius: 15px; background: #f6f7ee; }
.comprehension-reminder summary { font-size: 14px; font-weight: 800; cursor: pointer; min-height: 44px; align-content: center; }
.comprehension-reminder .comprehension-text { margin-top: 12px; }
.comprehension-reminder .comprehension-text p { font-size: 16px; }
.comprehension-complete { text-align: center; padding: 20px 0 28px; }
.comprehension-complete > p:not(.eyebrow) { font-size: 17px; line-height: 1.8; }
.comprehension-complete .comprehension-actions { justify-content: center; }
.comprehension-celebration { display: grid; place-items: center; border-radius: 50%; width: 86px; height: 86px; margin: 0 auto 22px; font-size: 53px; color: #916a13; background: #f7eac3; }
.comprehension-card:focus-visible, .comprehension-dialog button:focus-visible, .comprehension-reminder summary:focus-visible { outline: 3px solid #3768b6; outline-offset: 3px; }
.comprehension-levels { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.comprehension-levels button { display: inline-flex; justify-content: center; align-items: center; gap: 9px; padding: 10px 14px; min-height: 45px; border: 1px solid #c9d5c0; border-radius: 12px; background: #fffefb; color: #355a40; font: 800 13px 'Nunito', sans-serif; }
.comprehension-levels button[aria-pressed="true"] { color: white; background: #286744; border-color: #286744; }
.comprehension-levels button > span { font-size: 11px; font-weight: 700; }
.comprehension-levels button:disabled { opacity: .45; }
.comprehension-level-hint { margin: 0 0 13px; font-size: 12px; line-height: 1.65; color: #52654d; }
.comprehension-gallery-count { margin: 0 0 17px; font-size: 12px; font-weight: 800; color: #52654d; }
.comprehension-gallery-pages { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 15px; margin: 24px 0 0; }
.comprehension-gallery-pages[hidden] { display: none; }
.comprehension-gallery-pages button { min-height: 46px; padding: 11px 16px; border-radius: 12px; border: 1px solid #c0cfb6; background: #fffefb; color: #286744; font: 800 13px 'Nunito', sans-serif; }
.comprehension-gallery-pages button:disabled { opacity: .45; }
.comprehension-gallery-page { color: #52654d; font-size: 12px; font-weight: 800; }
.comprehension-levels button:focus-visible, .comprehension-gallery-pages button:focus-visible { outline: 3px solid #3768b6; outline-offset: 3px; }
#comprehension-heading { scroll-margin-top: 100px; }
#comprehension-heading:focus { outline: none; }
@media (max-width: 900px) { .comprehension-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .comprehension-section-tag { display: none; } }
@media (max-width: 600px) {
  .comprehension-levels { gap: 7px; }
  .comprehension-levels button { padding: 9px 11px; font-size: 12px; }
  .comprehension-gallery-pages { gap: 10px; }
  .comprehension-gallery-pages button { padding: 10px 12px; font-size: 12px; }
  .comprehension-section { padding: 18px 14px; }
  .comprehension-grid { grid-template-columns: 1fr; gap: 14px; }
  .comprehension-card { flex-direction: row; align-items: stretch; }
  .comprehension-card-art { width: 30%; flex-shrink: 0; padding: 5px; }
  .comprehension-card-art svg { height: auto; }
  .comprehension-card-copy { padding: 14px 12px; }
  .comprehension-card-copy > strong { font-size: 17px; }
  .comprehension-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); border-radius: 18px; }
  .comprehension-dialog-header { padding: 18px; }
  .comprehension-dialog-header h3 { font-size: 22px; }
  .comprehension-body { padding: 20px 18px; }
  .comprehension-story-layout { grid-template-columns: 1fr; gap: 20px; }
  .comprehension-scene { display: flex; align-items: center; gap: 12px; padding: 12px; text-align: left; }
  .comprehension-scene svg { width: 100px; height: 80px; flex-shrink: 0; }
  .comprehension-text p { font-size: 18px; }
  .comprehension-choices { grid-template-columns: 1fr; gap: 10px; }
  .comprehension-choice { flex-direction: row; justify-content: flex-start; min-height: 76px; gap: 20px; padding: 10px 16px; text-align: left; }
  .comprehension-choice svg { width: 58px; height: 54px; flex-shrink: 0; }
  .comprehension-dialog-footer { padding: 14px 18px; align-items: flex-start; }
  .comprehension-actions > .btn { flex: 1 1 auto; }
}