/* AI literacy uses the same paper cards and color palette as the student lessons. */
.ai-wrap { max-width: 990px; }
.ai-intro, .ai-activity { padding: clamp(18px,4vw,36px); }
.ai-intro { border-top: 7px solid var(--yellow); margin-bottom: 23px; background: #fffaf0; }
.ai-intro .eyebrow { margin-bottom: 5px; }
.ai-intro h1 { font-size: clamp(37px,6vw,64px); margin: 0 0 8px; }
.ai-intro p:last-of-type { max-width: 53ch; }
.ai-lesson-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.ai-lesson-list a { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 44px; padding: 6px 12px; border: 2px solid var(--ink); border-radius: 4px; background: white; }
.ai-lesson-list a:hover { background: #fff5d7; }
.ai-lesson-list span { flex-shrink: 0; font-size: 14px; font-weight: 400; }
.ai-teacher-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; font-size: 14px; font-weight: 800; }
.ai-activities { display: grid; gap: 23px; padding-bottom: 36px; }
.ai-activity { min-width: 0; }
.ai-activity h2 { margin-bottom: 12px; }
.ai-activity h3 { font-size: 18px; margin: 0 0 8px; }
.ai-activity p { margin: 0 0 12px; }
.ai-activity p:last-child { margin-bottom: 0; }
.ai-split { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; align-items: start; }
.ai-exchange { display: grid; gap: 8px; align-self: start; }
.ai-activity .ai-message { margin: 0 8% 0 0; padding: 10px 12px; background: #e5f3ff; border: 1px solid var(--ink); border-radius: 7px 7px 7px 0; }
.ai-activity .ai-reply { margin: 0 0 0 8%; background: #fff2be; border-radius: 7px 7px 0 7px; }
.ai-message strong, .ai-message span { display: block; }
.ai-message strong { font-size: 13px; }
.ai-receipt, .ai-example { padding: 10px 12px; border: 1px solid var(--ink); border-radius: 5px; background: #f5faff; }
.ai-receipt > p:first-child { border-bottom: 1px dashed var(--ink); padding-bottom: 5px; font-weight: 800; }
.ai-receipt dl { margin: 0; }
.ai-receipt dd { margin: 0; font-weight: 800; }
.ai-receipt dl div, .ai-receipt-choices button { display: flex; align-items: center; justify-content: space-between; gap: 8px; text-align: left; }
.ai-receipt-choices { display: grid; gap: 6px; }
.ai-choices { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-choices button, .ai-receipt-choices button { min-height: 44px; min-width: 44px; border: 2px solid var(--ink); border-radius: 5px; padding: 6px 9px; background: white; color: var(--ink); font: inherit; font-weight: 750; cursor: pointer; }
.ai-choices button:hover, .ai-receipt-choices button:hover { background: #fff5d7; }
.ai-choices button[aria-pressed="true"], .ai-receipt-choices button[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--ink); }
.ai-receipt-choices button strong { flex: none; }
.ai-status { font-weight: 750; }
.ai-activity .ai-status { margin: 8px 0 0; }
.ai-activity .ai-status:empty { margin: 0; }
.ai-activity details { margin-top: 8px; font-size: 15px; }
.ai-activity summary { cursor: pointer; font-weight: 800; }
.ai-activity details > :not(summary) { margin-top: 6px; }
.ai-transfer { margin-top: 15px; padding-top: 13px; border-top: 1px solid #cdd5dc; }
.ai-video { max-width: 460px; }
.ai-video video { display: block; width: 100%; height: auto; aspect-ratio: 5 / 3; border: 1px solid var(--ink); border-radius: 4px; background: #e5f3ff; }
.ai-example-list { margin: 0; padding: 0; list-style: none; }
.ai-example-list li + li { border-top: 1px solid #cdd5dc; margin-top: 6px; padding-top: 6px; }
.ai-example-list strong { display: block; }
.ai-toggle { display: flex; align-items: center; gap: 8px; min-height: 44px; margin-top: 4px; cursor: pointer; }
.ai-toggle input { flex: none; width: 18px; height: 18px; accent-color: var(--navy); }
.ai-tests button { text-align: left; }
.ai-prompt { background: #fff2be; padding: 8px 12px; border-left: 4px solid var(--blue); }
.ai-audit-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; margin-bottom: 8px; }
.ai-audit-grid h4 { font-size: 16px; margin: 0 0 5px; }
.ai-audit-grid p { font-size: 14px; margin: 0 0 3px; }
.ai-classroom .guide-source-list { font-size: 14px; }
@media (max-width: 650px) {
  .ai-split, .ai-lesson-list { grid-template-columns: minmax(0,1fr); }
  .ai-intro h1 { letter-spacing: -1px; }
}
@media (max-width: 380px) {
  .ai-page .topics-nav { flex-wrap: wrap; row-gap: 4px; }
}
@media print {
  .ai-jump, .ai-training input, .ai-video video { display: none; }
  .ai-activity { break-inside: avoid; }
}

/* Keep fragment targets and focused controls below the site header. */
.ai-lesson { scroll-padding-top: 118px; }
.ai-intro, .ai-activity, .ai-jump { scroll-margin-top: 8px; }
.ai-activity:focus, .ai-jump:focus { outline: 3px solid var(--ink); outline-offset: 3px; }
.ai-progress { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 3px 12px; padding-bottom: 8px; }
.ai-progress p, .ai-progress a { margin: 0; font-size: 14px; font-weight: 800; }
.ai-progress a { display: inline-flex; align-items: center; min-height: 44px; }
.ai-activity h4 { font-size: 16px; margin: 0 0 7px; line-height: 1.35; }
.ai-activity summary { min-height: 44px; padding-block: 8px; }
.ai-explain { margin-top: 16px; padding-top: 12px; border-top: 1px solid #cdd5dc; }
.ai-next { margin-top: 16px; }
.ai-next-topic { display: block; font-weight: 650; font-size: 14px; }
.ai-filter-status { white-space: pre-line; }
.ai-audit { border: 0; margin: 0; padding: 0; min-inline-size: 0; }
.ai-audit legend { margin: 0 0 8px; padding: 0; font-weight: 800; }
.ai-audit-card dl { margin: 0; font-size: 15px; }
.ai-audit-card dl div { margin-bottom: 5px; }
.ai-audit-card dt { font-weight: 800; }
.ai-audit-card dd { margin: 0; }
.ai-audit-choice { display: flex; align-items: center; gap: 8px; margin-top: 8px; min-height: 44px; padding: 6px 8px; border: 2px solid var(--ink); border-radius: 5px; background: white; cursor: pointer; font-weight: 750; }
.ai-audit-choice:hover, .ai-audit-choice:has(:checked) { background: #fff5d7; }
/* The focus outline and written result remain visible in either color. */
.ai-activity button[data-result="correct"][aria-pressed="true"],
.ai-audit-choice:has([data-result="correct"]:checked) { background: #d9f3df; }
.ai-activity button[data-result="incorrect"][aria-pressed="true"],
.ai-audit-choice:has([data-result="incorrect"]:checked) { background: #fbe0e0; }
.ai-audit-choice input { width: 18px; height: 18px; flex: none; margin: 0; accent-color: var(--navy); }
.ai-response-label { display: block; font-weight: 800; margin-bottom: 4px; }
.ai-challenge textarea { display: block; width: 100%; padding: 8px 10px; resize: vertical; border: 2px solid var(--ink); border-radius: 5px; font: inherit; }
.ai-challenge textarea:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
@media (max-width: 720px) {
  .ai-lesson { scroll-padding-top: 156px; }
}
@media (max-width: 650px) {
  .ai-audit-grid { grid-template-columns: minmax(0,1fr); }
  .ai-activity .ai-choices button { max-width: 100%; }
}
@media print {
  .ai-progress a, .ai-next { display: none; }
  .ai-intro[hidden], .ai-activity[hidden] { display: block !important; }
  .ai-activities[hidden] { display: grid !important; }
}