@import url("https://fonts.googleapis.com/css2?family=Lexend+Deca:wght@400;500;600;700;800&display=swap");
:root {
  --green:#385f4b;
  --dark:#284536;
  --sage:#dce9df;
  --light:#f4f8f5;
  --purple:#6f3f91;
  --orange:#d9872f;
  --yellow:#fff0b6;
  --ink:#17221c;
  --muted:#59665f;
  --line:#b9c4bd;
  --error:#9a2f2f;
  --body:19px
}

* {
  box-sizing:border-box
}

html {
  scroll-behavior:smooth
}

body {
  margin:0;
  background:#fff;
  color:var(--ink);
  font-family:"Lexend Deca",Arial,sans-serif;
  font-size:var(--body);
  line-height:1.58
}

button,input,textarea {
  font:inherit
}

button {
  cursor:pointer
}

button:focus-visible,input:focus-visible,textarea:focus-visible,.sentence:focus-visible,.vocab:focus-visible {
  outline:3px solid var(--orange);
  outline-offset:3px
}

.overlay {
  position:fixed;
  inset:0;
  background:#fff;
  z-index:999;
  display:flex;
  align-items:center;
  justify-content:center
}

.overlay.hidden {
  display:none!important;
  pointer-events:none!important
}

.access-card {
  width:min(900px,94vw);
  border:3px solid var(--green);
  border-radius:16px;
  padding:28px 36px 36px;
  text-align:center
}

.access-card img {
  height:220px;
  display:block;
  margin:0 auto 8px
}

.access-card h1 {
  margin:0;
  color:var(--ink);
  font-size:clamp(1.65rem,2.9vw,2.55rem);
  line-height:1.12;
  font-weight:800
}

.opening-prompt {
  font-size:1.25rem;
  font-weight:650;
  color:var(--muted)
}

.pathway-choices {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin:18px auto 0
}

.pathway-choice {
  min-height:86px;
  border:2px solid var(--green);
  background:#fff;
  color:var(--dark);
  border-radius:12px;
  font-weight:800;
  font-size:1.15rem
}

.pathway-choice:hover {
  background:var(--sage)
}

.access-form {
  max-width:640px;
  margin:18px auto 0;
  text-align:left
}

.access-form label {
  display:block;
  font-weight:700
}

.access-form input {
  width:100%;
  padding:12px;
  border:2px solid var(--green);
  border-radius:8px;
  margin:8px 0
}

.access-actions {
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:10px
}

.access-actions button {
  border:2px solid var(--green);
  border-radius:8px;
  padding:11px;
  font-weight:700
}

#unlockBtn {
  background:var(--green);
  color:#fff
}

#accessError {
  color:var(--error);
  font-weight:700;
  min-height:1.5em
}

.brand-header {
  padding:12px 18px
}

.brand-lockup {
  max-width:1160px;
  margin:auto;
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--dark);
  font-size:clamp(1.8rem,3.4vw,2.65rem);
  font-weight:800
}

.brand-lockup img {
  height:58px
}

.sticky-controls {
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:3px solid var(--green)
}

.controls {
  max-width:1160px;
  margin:auto;
  padding:8px 16px;
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap
}

.controls button,.support-actions button,.bottom-nav button,.margin-help-button {
  border:2px solid var(--green);
  background:#fff;
  color:var(--dark);
  border-radius:8px;
  padding:8px 12px;
  font-weight:700
}

.size-btn.active,.page-btn.active {
  background:var(--sage)
}

.lesson-title,main {
  max-width:1160px;
  margin:18px auto;
  padding:0 18px
}

.lesson-title h1 {
  color:var(--dark);
  font-size:clamp(1.65rem,2.8vw,2.25rem)
}

.student-fields {
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:18px
}

.student-fields label {
  display:flex;
  flex-direction:column;
  font-weight:700
}

.student-fields input {
  border:2px solid var(--line);
  border-radius:7px;
  padding:8px
}

.screen-title {
  color:var(--dark);
  font-size:clamp(1.4rem,2.4vw,1.9rem);
  margin:1.1rem 0 .7rem
}

.block-heading {
  color:var(--dark);
  font-size:clamp(1.25rem,2.1vw,1.65rem);
  margin:1.2rem 0 .55rem
}

.box {
  border:2px solid var(--line);
  border-radius:12px;
  padding:18px 20px;
  margin:0 0 18px;
  background:#fff
}

.reading-box {
  border-left:6px solid var(--green)
}

.reading-box p {
  margin:.55rem 0 1rem
}

.sentence {
  cursor:pointer;
  border-radius:5px;
  padding:2px 3px;
  user-select:text
}

.sentence:hover,.sentence.active {
  background:var(--yellow)
}

.vocab {
  color:var(--purple);
  font-weight:700;
  cursor:pointer;
  user-select:text
}

.question-box p:first-child {
  margin-top:0
}

.instructions-box {
  border-left:6px solid var(--orange)
}

.response-shell {
  display:flex;
  align-items:flex-start;
  gap:8px;
  width:100%
}

.response-shell.inline {
  display:inline-flex;
  width:auto;
  vertical-align:middle
}

.response-input,.response-area,.gap-input,.table-input,.path-input,.chain-input,.sequence-input,.graph-input,.margin-note-textarea {
  background:#fff;
  border:2px solid var(--green);
  border-radius:7px;
  padding:8px;
  color:var(--ink);
  position:relative;
  z-index:1
}

.response-input {
  width:100%;
  max-width:none;
}

.response-area {
  width:100%;
  resize:vertical
}

.choices {
  display:grid;
  gap:8px;
  margin-top:10px
}

.paper-table {
  border-collapse:collapse;
  width:100%
}

.paper-table th,.paper-table td {
  border:2px solid var(--line);
  padding:9px;
  vertical-align:top
}

.paper-table th {
  background:var(--light)
}

.table-input {
  width:100%
}

.image-box img {
  max-width:100%;
  height:auto;
  display:block;
  margin:auto
}

.pathway,.chain {
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px
}

.path-step {
  width:min(780px,100%);
  border:2px solid var(--line);
  border-radius:10px;
  padding:12px;
  text-align:center
}

.arrow {
  font-size:1.5rem;
  color:var(--green);
  font-weight:800
}

.margin-note-wrap {
  border:2px solid var(--green);
  border-left:6px solid var(--green);
  border-radius:12px;
  padding:14px 16px;
  margin:-4px 0 18px;
  background:var(--light)
}

.margin-note-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap
}

.margin-note-top strong {
  color:var(--dark)
}

.support-panel {
  position:fixed;
  right:12px;
  top:88px;
  bottom:12px;
  width:min(430px,calc(100vw - 24px));
  background:#fff;
  border:3px solid var(--green);
  border-radius:12px;
  display:none;
  z-index:100;
  overflow:hidden
}

.support-panel.open {
  display:flex;
  flex-direction:column
}

.support-head,.review-head {
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  padding:12px;
  border-bottom:2px solid var(--sage)
}

.support-head h2,.review-head h2 h2 {
  margin:0;
  color:var(--dark)
}

.support-head button,.review-head button button {
  border:0;
  background:#fff;
  font-size:1.7rem
}

.support-actions {
  display:flex;
  gap:8px;
  padding:12px;
  border-bottom:1px solid var(--line)
}

.support-content {
  padding:12px;
  overflow:auto;
  flex:1
}

.break-parts {
  display:flex;
  flex-direction:column;
  gap:10px
}

.break-part {
  background:var(--yellow);
  border:2px solid var(--orange);
  border-radius:999px;
  padding:8px 16px;
  font-weight:600
}

.coach-choice,.starter-button {
  display:block;
  width:100%;
  text-align:left;
  background:#fff;
  border:2px solid var(--green);
  border-radius:10px;
  padding:10px 12px;
  margin:8px 0;
  color:var(--ink)
}

.review-modal {
  position:fixed;
  inset:0;
  background:#fff;
  z-index:150;
  display:none;
  overflow:auto
}

.review-modal.open {
  display:block
}

.review-inner {
  max-width:980px;
  margin:auto;
  padding:20px
}

.review-item {
  border:2px solid var(--line);
  border-radius:10px;
  padding:12px;
  margin:10px 0
}

.review-item.unanswered {
  border-color:var(--orange)
}

.review-item button {
  border:2px solid var(--green);
  background:#fff;
  color:var(--dark);
  border-radius:8px;
  padding:8px 12px;
  font-weight:700
}

.review-complete {
  border:2px solid var(--green);
  background:var(--sage);
  border-radius:10px;
  padding:18px;
  margin:14px 0
}

#printAssignment {
  display:none
}

.bottom-nav {
  display:flex;
  justify-content:space-between;
  margin:24px 0 60px
}

.paper-response,.paper-choices {
  display:none
}

html[data-pathway="paper"] .typed-response,html[data-pathway="paper"] .student-fields,html[data-pathway="paper"] #reviewBtn {
  display:none!important
}

html[data-pathway="paper"] .paper-response,html[data-pathway="paper"] .paper-choices {
  display:inline-block
}

html[data-pathway="paper"] .paper-response-lines {
  display:block;
  width:100%;
  min-height:calc(var(--paper-lines,3)*31px);
  margin-top:10px;
  background:repeating-linear-gradient(to bottom,transparent 0,transparent 30px,#747d78 31px)
}

html[data-pathway="paper"] .paper-inline-blank {
  min-width:90px;
  height:1.25em;
  border-bottom:2px solid var(--ink);
  vertical-align:bottom;
  margin:0 6px
}

html[data-pathway="paper"] .paper-number-box {
  width:55px;
  height:42px;
  border:2px solid var(--ink)
}

html[data-pathway="paper"] .paper-choices {
  display:grid;
  gap:8px
}

.paper-choice {
  display:flex;
  gap:8px
}

.paper-check {
  width:21px;
  height:21px;
  border:2px solid var(--ink)
}

.matching-box {
  display:grid;
  grid-template-columns:minmax(220px,.8fr) minmax(360px,1.3fr);
  gap:28px
}

.matching-terms,.matching-definitions {
  display:grid;
  gap:14px
}

.matching-definition {
  display:grid;
  grid-template-columns:100px 1fr;
  gap:14px;
  align-items:center
}

.word-bank-items {
  display:flex;
  flex-wrap:wrap;
  gap:18px 42px;
  line-height:1.8
}

.venn-regions {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px
}

.venn-region {
  border:2px solid var(--line);
  border-radius:12px;
  padding:12px
}

.compact-response-row {
  display:grid;
  grid-template-columns:120px 1fr;
  gap:14px;
  align-items:center;
  margin:12px 0
}

.follow-up-response {
  display:grid;
  grid-template-columns:minmax(180px,260px) 1fr;
  gap:14px;
  align-items:start;
  margin:14px 0
}

html[data-text-size="large"] {
  --body:21px
}

html[data-text-size="larger"] {
  --body:23px
}

html[data-text-size="largest"] {
  --body:25px
}

@media(max-width:760px) {
  .pathway-choices {
    grid-template-columns:1fr
  }

  .support-panel {
    left:8px;
    right:8px;
    top:auto;
    bottom:8px;
    width:auto;
    max-height:72vh
  }

  .matching-box,.venn-regions,.follow-up-response {
    grid-template-columns:1fr
  }

  .response-shell {
    flex-wrap:wrap
  }

  .brand-lockup {
    font-size:1.4rem
  }

  .brand-lockup img {
    height:45px
  }

}

@media print {
  @page {
    margin:.5in
  }

  body > :not(#printAssignment) {
    display:none!important
  }

  #printAssignment {
    display:block!important;
    max-width:none;
    margin:0;
    padding:0
  }

  #printAssignment .print-page {
    page-break-after:always;
    break-after:page
  }

  #printAssignment .print-page:last-child {
    page-break-after:auto;
    break-after:auto
  }

  #printAssignment .print-lesson-title {
    color:var(--dark);
    font-size:20pt;
    margin:0 0 14px
  }

  #printAssignment .margin-help-button {
    display:none!important
  }

  #printAssignment input,
  #printAssignment textarea {
    color:var(--ink)!important;
    background:#fff!important;
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact
  }

  #printAssignment .box,
  #printAssignment mark[data-bmd-highlight] {
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact
  }

}

.tts-status {
  border:2px solid var(--line);
  border-radius:8px;
  padding:10px;
  margin-top:10px
}

.tts-status.error {
  border-color:var(--error);
  color:var(--error);
  font-weight:700
}

/* v0.11.1 lesson-build repair: approved stationary Focus behavior */

.reading-box.focus-active .sentence {
  opacity:.28;
  transition:opacity .12s ease
}

.reading-box.focus-active .sentence.focus-selected {
  opacity:1;
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:3px
}

#focusButton[aria-pressed="true"] {
  background:var(--sage);
  border-width:3px
}

#focusButton:disabled {
  opacity:.45;
  cursor:not-allowed
}

/* v0.11.1 — Mark the Meaning controls and saved highlights (Typing pathway only). */

#markMeaningControls {
  display:flex;
  gap:7px;
  align-items:center;
  flex-wrap:wrap
}

#markMeaningControls [data-highlight-color] {
  min-width:78px
}

#markMeaningControls [data-highlight-color][aria-pressed="true"] {
  border-width:3px
}

#markMeaningControls [data-highlight-color="green"][aria-pressed="true"] {
  background:#b9d8c2
}

#markMeaningControls [data-highlight-color="orange"][aria-pressed="true"] {
  background:#f4b183
}

#markMeaningStatus {
  font-size:.86rem;
  color:var(--muted)
}

#markMeaningDirections {
  border-left:6px solid var(--orange)
}

#markMeaningDirections .block-heading {
  margin-top:0
}

mark[data-bmd-highlight] {
  color:inherit;
  padding:0 .05em;
  border-radius:3px
}

mark[data-bmd-highlight][data-highlight-color="green"] {
  background:#b9d8c2
}

mark[data-bmd-highlight][data-highlight-color="orange"] {
  background:#f4b183
}

html[data-pathway="paper"] #markMeaningControls, html[data-pathway="paper"] #markMeaningDirections {
  display:none!important
}

@media print {
  #markMeaningControls {
    display:none!important
  }

}

/* v0.12.2 preservation corrections */

.later-identifiers {
  display:flex;
  justify-content:flex-end;
  gap:10px;
  margin:-4px 0 12px
}

.later-identifiers label {
  font-size:.78rem;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:5px
}

.later-identifiers input {
  width:72px;
  height:30px;
  border:2px solid var(--line);
  border-radius:6px;
  padding:3px 5px
}

.task-context-box {
  border-left:6px solid var(--orange)
}

.task-context-box p {
  margin:.55rem 0 1rem
}

.labeled-responses {
  display:grid;
  gap:16px;
  margin-top:14px
}

.labeled-responses label>strong {
  display:block;
  color:var(--dark);
  margin-bottom:5px
}

.morphology-title {
  display:block;
  font-size:1.35rem;
  margin-bottom:14px
}

.morphology-cards {
  display:grid;
  gap:16px
}

.morphology-card {
  border:2px solid var(--line);
  border-left-width:12px;
  border-radius:14px;
  padding:18px 24px
}

.morphology-card.green {
  border-left-color:var(--green)
}

.morphology-card.orange {
  border-left-color:var(--orange)
}

.morphology-card strong {
  display:block;
  font-size:1.35rem;
  color:var(--dark);
  margin-bottom:10px
}

.morphology-card p {
  font-size:1.15rem;
  margin:0;
  line-height:1.55
}

@media(max-width:760px) {
  .later-identifiers {
    justify-content:flex-start;
    flex-wrap:wrap
  }

}

/* v0.12.3 — declared inline gap fills and source-left chain arrows */
.gap-fill-box p {
  line-height:2.2;
}
.gap-fill-box .response-shell.inline {
  display:inline-flex;
  width:auto;
  margin:0 .35rem;
}
.gap-fill-box .response-input.width-short {
  width:150px;
  min-width:120px;
  height:2.1em;
}
.source-chain-line {
  position:relative;
  margin:.25rem 0 2.15rem!important;
}
.source-chain-arrow {
  display:block;
  width:1.5rem;
  margin:.25rem 0 -1.8rem 0;
  color:var(--green);
  font-size:1.55rem;
  line-height:1;
  text-align:left;
}

/* v0.12.4 — approved plain left-aligned source chain */
.source-chain-left{display:flex;flex-direction:column;align-items:flex-start;gap:0;margin-top:8px}.source-chain-left-step{padding:0;text-align:left}.source-chain-left-arrow{font-size:1.5rem;line-height:1;color:var(--green);margin:.18rem 0 .18rem .15rem}.source-chain-box{border-left:6px solid var(--green)}

/* v0.12.6 — skeletal source-fidelity additions */
.response-row-prompt{display:block;margin:.35rem 0 .5rem;font-weight:600}
.labeled-responses label.section-break-before{margin-top:22px;padding-top:18px;border-top:2px solid var(--line)}
.number-order-intro{margin:.2rem 0 18px}
.number-order-list{display:grid;gap:16px}
.number-order-row{display:grid;grid-template-columns:90px minmax(0,1fr);gap:16px;align-items:center}
.number-order-row .response-input{width:72px}
html[data-pathway="paper"] .number-order-row .paper-number-box{display:inline-block}

/* Lesson overlay — final insulin sentence inline gap fill */
.inline-gap-fill {
  color:var(--green);
  font-weight:700;
  line-height:2.3;
}
.inline-gap-fill .response-shell.inline {
  display:inline-flex;
  width:auto;
  margin:0 .35rem;
}
.inline-gap-fill .response-input.width-short {
  width:150px;
  min-width:120px;
  height:2.1em;
}