/* The course has its own hierarchy: modules, lessons, then an applied check. */
.training-hero { display: grid; grid-template-columns: minmax(0, 1fr) 230px; align-items: center; gap: 36px; margin-bottom: 34px; }
.training-hero .page-heading { margin: 0; }
.training-hero h1 { max-width: 700px; }
.training-hero > .page-heading > p:last-child { font-size: 18px; line-height: 1.65; color: var(--muted); margin-bottom: 0; max-width: 680px; }
.course-progress { background: white; border: 1px solid var(--line); padding: 24px; border-radius: 10px; }
.course-progress > span, .course-progress > p { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; margin: 0; }
.course-progress > strong { display: block; font-family: "Manrope", sans-serif; color: var(--ink); font-size: 30px; letter-spacing: -1px; margin: 6px 0 14px; line-height: 1.2; }
.course-progress strong small { font-size: 15px; font-weight: 500; color: #59616a; letter-spacing: 0; }
.course-progress-bar { background: #f4f5f6; width: 100%; height: 6px; border-radius: 6px; overflow: hidden; margin: 14px 0 12px; }
.course-progress-bar > span { display: block; height: 100%; background: var(--teal); border-radius: inherit; }
.course-progress > small { display: block; color: #59616a; font-size: 12px; line-height: 1.6; }
.curriculum-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 26px; align-items: start; }
.curriculum-modules { display: grid; gap: 15px; min-width: 0; }
.curriculum-module { background: white; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.curriculum-module > summary { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto 12px; gap: 15px; align-items: center; padding: 23px 24px; cursor: pointer; list-style: none; }
.curriculum-module > summary::-webkit-details-marker { display: none; }
.curriculum-module > summary::after { content: ''; width: 7px; height: 7px; border-right: 1.5px solid #59616a; border-bottom: 1.5px solid #59616a; transform: rotate(45deg); margin-top: -4px; }
.curriculum-module[open] > summary::after { transform: rotate(225deg); margin-top: 4px; }
.curriculum-module > summary:hover { background: #ffffff; }
.module-num { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; font-family: "Manrope", sans-serif; font-size: 13px; font-weight: 700; background: #f4f5f6; color: #59616a; border-radius: 9px; }
.curriculum-module:nth-child(3n+2) .module-num { background: #fcf2db; color: #987329; }
.curriculum-module:nth-child(3n+3) .module-num { background: #f4f5f6; color: #59616a; }
.curriculum-module summary h2 { margin: 0 0 6px; font-size: 18px; line-height: 1.35; letter-spacing: -.3px; }
.curriculum-module summary p { margin: 0; color: #59616a; font-size: 15px; line-height: 1.5; }
.module-status { color: #59616a; font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.module-status.is-complete { color: var(--teal); }
.module-status > span { display: none; }
.module-lessons { padding: 0 24px 15px; }
.module-lesson { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center; text-decoration: none; padding: 15px 0; border-top: 1px solid #f4f5f6; }
.module-practice-link { display: block; border-top: 1px solid var(--line); padding: 18px 0 5px; font-size: 16px; color: var(--teal); text-underline-offset: 3px; }
.module-lesson > small { font-size: 11px; color: #59616a; font-variant-numeric: tabular-nums; align-self: start; padding-top: 2px; }
.lesson-order { font-size: 11px; color: #59616a; font-variant-numeric: tabular-nums; align-self: start; padding-top: 2px; }
.module-lesson strong { display: block; font-size: 16px; font-weight: 600; color: #59616a; line-height: 1.45; }
.module-lesson div > small { display: block; font-size: 13px; color: #59616a; line-height: 1.5; margin-top: 3px; }
.module-lesson:hover strong { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.lesson-status { color: #59616a; font-size: 12px; min-width: 32px; text-align: right; }
.lesson-status.is-complete, .lesson-status.complete, .module-lesson.is-complete .lesson-status { color: var(--teal); }
.curriculum-aside { display: grid; gap: 20px; }
.curriculum-aside .panel { padding: 24px; }
.curriculum-aside h2 { font-size: 18px; margin-bottom: 18px; }
.curriculum-aside h3 { font-size: 15px; }
.curriculum-aside p { font-size: 16px; line-height: 1.65; color: var(--muted); }
.curriculum-aside ul { margin: 0 0 22px; padding-left: 19px; font-size: 15px; color: var(--muted); line-height: 1.7; }
.curriculum-aside ol { margin: 0 0 22px; padding-left: 19px; font-size: 15px; color: var(--muted); line-height: 1.7; }
.curriculum-aside li { padding-left: 3px; margin-bottom: 9px; }
.curriculum-aside li::marker { color: #59616a; }
.curriculum-aside .btn { width: 100%; }
.curriculum-aside .eyebrow { margin-bottom: 14px; }
.curriculum-aside p.eyebrow { font-size: 11px; line-height: 1.5; color: var(--teal); letter-spacing: 1.2px; }

.lesson-layout { display: grid; grid-template-columns: 225px minmax(0, 1fr); gap: 32px; align-items: start; }
.lesson-navigation { display: block; position: sticky; top: 24px; background: white; border: 1px solid var(--line); border-radius: 10px; padding: 20px 14px; font-size: 13px; max-height: calc(100vh - 48px); overflow-y: auto; scrollbar-width: thin; }
.lesson-navigation > h2 { padding-inline: 10px; font-size: 15px; margin-bottom: 18px; }
.lesson-navigation > a { display: inline-block; margin: 0 10px 17px; font-size: 12px; color: var(--teal); text-decoration: none; }
.lesson-navigation details { margin-bottom: 5px; }
.lesson-navigation summary { list-style: none; padding: 11px 9px; cursor: pointer; color: #59616a; font-size: 12px; font-weight: 650; line-height: 1.55; }
.lesson-navigation summary::-webkit-details-marker { display: none; }
.lesson-navigation summary::before { content: '›'; display: inline-block; color: #59616a; width: 13px; font-size: 16px; line-height: 1; }
.lesson-navigation details[open] summary::before { transform: rotate(90deg); }
.lesson-navigation summary > span { font-family: "Source Sans 3", sans-serif; font-size: 10px; color: #59616a; margin-right: 7px; }
.lesson-nav-link { display: block; color: #59616a; padding: 9px 10px 9px 22px; font-size: 13px; line-height: 1.5; text-decoration: none; border-radius: 6px; margin-bottom: 3px; border-left: 2px solid transparent; }
.lesson-nav-link:hover { color: var(--teal); background: #f4f5f6; }
.lesson-nav-link.active { background: #f4f5f6; color: #26282c; font-weight: 600; border-left-color: var(--teal); }
.lesson-navigation a.active::after { display: none; }
.lesson-nav-link.completed::after { content: '✓'; display: inline-block; margin-left: 6px; color: var(--teal); font-size: 11px; }
.lesson-main { min-width: 0; max-width: 800px; }
.lesson-main > article, .lesson-main > header { min-width: 0; }
.lesson-main header { margin-bottom: 28px; }
.lesson-main h1 { font-size: clamp(29px, 2.8vw, 38px); line-height: 1.22; letter-spacing: -1px; margin: 16px 0 17px; }
.lesson-main header > p:last-child { color: var(--muted); font-size: 18px; line-height: 1.65; margin: 0; }
.lesson-kicker { display: flex; align-items: center; justify-content: space-between; gap: 15px; color: var(--teal); font-size: 13px; font-family: "Manrope", sans-serif; font-weight: 700; letter-spacing: 0; }
.lesson-position { font-family: "Source Sans 3", sans-serif; font-size: 13px; font-weight: 400; color: #59616a; letter-spacing: 0; white-space: nowrap; }
.lesson-duration { display: block; color: #59616a; font-size: 13px; margin-top: 17px; }
.lesson-reading { max-width: 730px; color: #59616a; }
.lesson-reading section { margin: 0 0 30px; }
.lesson-reading h2 { margin: 28px 0 13px; font-size: 22px; line-height: 1.4; color: #26282c; letter-spacing: -.35px; }
.lesson-reading h2 > span { display: block; color: #59616a; font-size: 11px; font-weight: 600; letter-spacing: 1px; margin-bottom: 7px; }
.lesson-reading p { font-size: 18px; line-height: 1.75; margin-bottom: 17px; white-space: pre-line; }
.lesson-reading ul, .lesson-reading ol { font-size: 18px; line-height: 1.75; padding-left: 24px; margin: 15px 0 23px; }
.lesson-reading li { padding-left: 4px; margin-bottom: 8px; }
.lesson-reading strong { color: #26282c; font-weight: 650; }
.lesson-reading .takeaway { background: #f4f5f6; border-left: 3px solid var(--teal); border-radius: 0 8px 8px 0; padding: 20px 23px; margin: 27px 0 30px; font-size: 17px; line-height: 1.7; }
.lesson-reading .takeaway > p { font-size: 17px; margin: 7px 0 0; }
/* Barry uses the existing optional hint and its original saving/attempt rules. */
.lesson-layout .quiz-hint.barry-lesson-hint { border: 0; padding: 0; background: transparent; }
.lesson-checkpoint { max-width: 730px; border: 1px solid #d9dde2; border-top: 4px solid var(--teal); border-radius: 10px; background: white; padding: 28px 30px; margin: 36px 0 28px; box-shadow: 0 3px 12px rgb(37 40 36 / 3%); }
.lesson-checkpoint .eyebrow { margin-bottom: 10px; }
.lesson-checkpoint h2 { font-size: 23px; margin: 0 0 15px; }
.lesson-checkpoint > p, .lesson-checkpoint form > p { font-size: 18px; line-height: 1.65; color: #59616a; margin-bottom: 22px; }
.lesson-checkpoint > p.eyebrow { font-size: 11px; line-height: 1.5; color: var(--teal); letter-spacing: 1.2px; margin-bottom: 11px; }
.lesson-checkpoint .field { font-size: 16px; margin: 20px 0; }
.checkpoint-form fieldset { border: 0; padding: 0; margin: 0 0 20px; min-width: 0; }
.checkpoint-form legend { padding: 0; font-size: 18px; line-height: 1.65; font-weight: 600; color: #26282c; }
.checkpoint-form .numeric-answer { max-width: 320px; }
.quiz-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.quiz-hint { border-left: 3px solid #d9bb68; background: #fcf7e8; padding: 19px 21px; margin-top: 24px; font-size: 16px; border-radius: 0 7px 7px 0; }
.quiz-hint strong { color: #786335; font-size: 14px; }
.quiz-hint p { color: #6e6d60; font-size: 17px; line-height: 1.7; margin: 8px 0 0; }
.option-letter { flex-shrink: 0; font-weight: 650; color: #59616a; min-width: 15px; }
.feedback-label { font-family: "Manrope", sans-serif; font-size: 10px; letter-spacing: 1px; font-weight: 700; color: #618f7c; margin-bottom: 12px; }
.quiz-feedback.incorrect .feedback-label { color: #967b34; }
.quiz-feedback > small { display: block; color: #809485; font-size: 12px; margin-top: 15px; }
.quiz-options { display: grid; gap: 11px; margin: 20px 0 23px; border: 0; padding: 0; }
.quiz-options legend { font-size: 18px; line-height: 1.6; margin-bottom: 18px; color: var(--ink); }
.quiz-option { display: flex; align-items: flex-start; gap: 13px; border: 1px solid #f4f5f6; border-radius: 8px; background: white; padding: 16px 17px; color: #59616a; cursor: pointer; font-size: 17px; line-height: 1.6; }
.quiz-option:hover { background: #ffffff; border-color: #a29d90; }
.quiz-option:has(input:checked) { background: #f4f5f6; border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); color: #26282c; }
.quiz-option input { flex-shrink: 0; width: 16px; height: 16px; margin: 5px 0 0; accent-color: var(--teal); }
.quiz-option:has(input:disabled) { cursor: default; }
.quiz-option span { min-width: 0; }
.quiz-feedback { background: #ffffff; border: 1px solid #d9dde2; border-radius: 8px; padding: 21px 23px; margin-top: 24px; }
.quiz-feedback.correct { background: #eef8f3; border-color: #badccc; }
.quiz-feedback.incorrect { background: #fff8e8; border-color: #e9d598; }
.quiz-feedback h3 { margin: 0 0 11px; font-size: 18px; }
.quiz-feedback p { font-size: 17px; line-height: 1.7; color: #59616a; margin: 0 0 9px; }
.quiz-feedback p:last-child { margin-bottom: 0; }
.lesson-actions { max-width: 730px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 15px; padding-top: 23px; border-top: 1px solid #d9dde2; margin-top: 27px; }
.lesson-actions > p, .lesson-actions > span { font-size: 13px; color: #59616a; line-height: 1.6; margin: 0; }
.lesson-actions .button-row { gap: 10px; }
.lesson-actions .btn { font-size: 13px; }
.lesson-actions .course-progress-bar { flex-basis: 100%; }
.lesson-related { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 23px; font-size: 13px; color: #59616a; }
.lesson-related a { color: var(--teal); text-decoration: none; }

@media (max-width: 1250px) {
  .curriculum-layout { grid-template-columns: minmax(0, 1fr) 225px; gap: 22px; }
  .curriculum-module > summary { padding: 22px; gap: 13px; grid-template-columns: minmax(0, 1fr) auto 10px; }
  .curriculum-module summary h2 { font-size: 17px; }
  .module-num { width: 36px; height: 36px; }
  .module-lessons { padding-left: 22px; padding-right: 22px; }
  .curriculum-aside .panel { padding: 22px; }
  .lesson-layout { grid-template-columns: 205px minmax(0, 1fr); gap: 26px; }
  .lesson-navigation { padding-inline: 11px; }
  .lesson-checkpoint { padding: 26px; }
}
@media (max-width: 1080px) {
  .training-hero { grid-template-columns: minmax(0, 1fr) 190px; gap: 26px; }
  .course-progress { padding: 22px; }
  .curriculum-layout { grid-template-columns: 1fr; }
  .curriculum-aside { grid-template-columns: 1fr 1fr; }
  .lesson-layout { grid-template-columns: 180px minmax(0, 1fr); gap: 23px; }
  .lesson-navigation { padding-inline: 9px; }
  .lesson-nav-link { font-size: 12px; padding-left: 17px; }
  .lesson-navigation summary { font-size: 11px; padding-inline: 7px; }
  .lesson-main h1 { font-size: 32px; }
  .lesson-kicker { flex-wrap: wrap; gap: 8px; }
}
@media (max-width: 820px) {
  .lesson-layout { grid-template-columns: 1fr; }
  .lesson-navigation { display: none; }
  .lesson-main { max-width: 730px; margin-inline: auto; }
  .training-hero { gap: 24px; }
  .training-hero h1 { font-size: 33px; }
  .curriculum-aside { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .training-hero { display: block; margin-bottom: 26px; }
  .training-hero h1 { font-size: 31px; }
  .training-hero > .page-heading > p:last-child { font-size: 17px; }
  .course-progress { margin-top: 23px; padding: 20px 22px; }
  .course-progress > strong { font-size: 27px; margin: 5px 0 11px; }
  .course-progress-bar { margin: 11px 0 10px; }
  .curriculum-modules { gap: 13px; }
  .curriculum-module > summary { grid-template-columns: minmax(0, 1fr) 10px; gap: 11px; padding: 20px 17px; }
  .module-num { width: 31px; height: 31px; font-size: 11px; border-radius: 7px; align-self: start; margin-top: 2px; }
  .curriculum-module summary h2 { font-size: 16px; margin-bottom: 6px; }
  .curriculum-module summary p { font-size: 14px; line-height: 1.55; }
  .module-status { grid-column: 1; margin-top: -4px; font-size: 11px; }
  .curriculum-module > summary::after { grid-column: 2; grid-row: 1; }
  .module-lessons { padding: 0 18px 12px 19px; }
  .module-lesson { grid-template-columns: minmax(0, 1fr); gap: 9px; padding: 15px 0; }
  .module-lesson strong { font-size: 16px; }
  .module-lesson div > small { font-size: 12px; }
  .module-lesson .lesson-status { grid-column: 1; text-align: left; margin-top: -4px; }
  .curriculum-aside { grid-template-columns: 1fr; gap: 16px; }
  .curriculum-aside .panel { padding: 23px; }
  .lesson-main h1 { font-size: 31px; margin-top: 14px; }
  .lesson-main header { margin-bottom: 25px; }
  .lesson-main header > p:last-child { font-size: 18px; }
  .lesson-reading h2 { font-size: 21px; }
  .lesson-reading p, .lesson-reading ul, .lesson-reading ol { font-size: 18px; line-height: 1.75; }
  .lesson-reading .takeaway { padding: 18px 20px; font-size: 17px; }
  .lesson-checkpoint { margin-top: 29px; padding: 24px 20px; }
  .lesson-checkpoint h2 { font-size: 21px; }
  .lesson-checkpoint > p, .lesson-checkpoint form > p { font-size: 18px; }
  .quiz-option { font-size: 17px; padding: 15px; gap: 11px; }
  .quiz-options { gap: 10px; }
  .quiz-feedback { padding: 19px; }
  .quiz-feedback p { font-size: 17px; }
  .lesson-actions { flex-direction: column; align-items: stretch; gap: 14px; }
  .lesson-actions > .btn { width: 100%; }
  .lesson-actions .button-row { flex-direction: column; align-items: stretch; }
}

.curriculum-module, .lesson-navigation, .course-progress { border-radius: 6px; }
.module-num, .curriculum-module:nth-child(3n+2) .module-num, .curriculum-module:nth-child(3n+3) .module-num { color: #59616a; background: #f4f5f6; border-radius: 4px; }
.module-lesson div > small, .module-status, .lesson-order, .module-lesson > small, .lesson-status { color: #59616a; }
.module-status.is-complete, .lesson-status.is-complete, .lesson-status.complete, .module-lesson.is-complete .lesson-status { color: #30664b; }

.lesson-contents { position: sticky; top: 24px; min-width: 0; }
.lesson-contents .lesson-navigation { position: static; }
.lesson-contents-toggle { display: none; }
.lesson-navigation > h2 { font-size: 16px; margin: 0 8px 12px; }
.lesson-navigation summary { font-size: 14px; font-weight: 600; }
.lesson-navigation .lesson-nav-link { font-size: 14px; line-height: 1.5; }
.lesson-navigation > a { font-size: 14px; }
@media(max-width:820px) {
  .lesson-contents { position: static; }
  .lesson-contents-toggle { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 4px; background: white; color: var(--ink); font: 600 16px/1.5 var(--font-body); cursor: pointer; min-height: 48px; }
  .lesson-contents.is-open .lesson-navigation { display: block; margin-top: 8px; max-height: min(60vh, 600px); overflow-y: auto; }
  .lesson-contents .lesson-navigation > h2 { display: none; }
  .lesson-contents .lesson-navigation summary { font-size: 16px; min-height: 44px; }
  .lesson-contents .lesson-navigation .lesson-nav-link { font-size: 16px; min-height: 44px; }
  .lesson-main { width: 100%; }
}

/* The reader has one navigation layer: a course bar above a focused reading column. */
.lesson-layout { display: block; width: 100%; max-width: 960px; margin-inline: auto; }
.lesson-layout .lesson-contents { position: static; margin-bottom: 38px; }
.lesson-course-context { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 26px; align-items: center; padding: 0 0 21px; border-bottom: 1px solid var(--line); }
.lesson-course-context .back-link { margin: 0; font-size: 16px; white-space: nowrap; }
.lesson-course-context > span { color: var(--ink); font-size: 16px; line-height: 1.4; }
.lesson-context-position { display: block; margin-top: 3px; font-size: 15px; color: var(--muted); }
.lesson-layout .lesson-contents-toggle { display: flex; justify-content: space-between; align-items: center; gap: 18px; width: auto; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 3px; color: var(--ink); background: #fff; cursor: pointer; font: 600 16px/1.5 var(--font-body); }
.lesson-layout .lesson-navigation { display: block; padding: 24px; margin-top: 12px; max-height: min(70vh,650px); overflow-y: auto; border-radius: 3px; background: #fff; }
.lesson-layout .lesson-navigation[hidden] { display: none; }
.lesson-layout .lesson-navigation > h2 { display: block; margin: 0 8px 18px; font-size: 19px; }
.lesson-layout .lesson-navigation summary { font-size: 16px; min-height: 44px; }
.lesson-layout .lesson-navigation .lesson-nav-link { font-size: 16px; min-height: 44px; padding-block: 10px; }
.lesson-layout .lesson-main { width: 100%; max-width: 760px; margin-inline: auto; }
.lesson-layout .lesson-heading { margin: 0 0 22px; }
.lesson-layout .lesson-heading h1 { margin: 0 0 16px; font-size: clamp(30px,3.2vw,43px); line-height: 1.15; font-weight: 650; letter-spacing: -1.2px; max-width: 23ch; }
.lesson-layout .lesson-heading > p { color: #4e555d; font-size: 20px; line-height: 1.55; margin: 0; max-width: 65ch; }
.lesson-layout .lesson-heading .lesson-duration { color: var(--muted); font-size: 15px; line-height: 1.5; margin-top: 18px; }
.lesson-layout .lesson-format-tabs { margin: 0 0 26px; gap: 24px; }
.lesson-layout .lesson-format-tabs button { padding: 15px 0; font: 600 17px/1.4 var(--font-body); }
.lesson-layout .lesson-reading-map { display: flex; flex-wrap: wrap; gap: 6px 19px; padding: 0 0 17px; align-items: baseline; color: var(--muted); font-size: 15px; }
.lesson-reading-map button { border: 0; background: transparent; padding: 5px 0; text-align: left; font: 400 16px/1.5 var(--font-body); color: var(--teal); cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.lesson-layout .lesson-reading { max-width: 69ch; color: #3f464e; }
.lesson-layout .lesson-reading h2 { font: 650 25px/1.35 var(--font-body); margin: 28px 0 13px; letter-spacing: -.35px; }
.lesson-layout .lesson-reading section:first-child h2 { margin-top: 9px; }
.lesson-layout .lesson-reading p { font-size: 19px; line-height: 1.75; color: #424950; margin: 0 0 18px; }
.lesson-layout .lesson-reading section { margin-bottom: 32px; }
.lesson-layout .lesson-objectives { margin: 28px 0; padding: 16px 0; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.lesson-objectives summary { font-size: 17px; font-weight: 600; cursor: pointer; color: var(--ink); }
.lesson-layout .lesson-objectives ul { font-size: 17px; color: #424950; margin: 14px 0 0; }
.lesson-layout .lesson-reading .takeaway { background: #f6f2ef; border-left: 3px solid #7c3042; padding: 22px 25px; border-radius: 0; margin-block: 32px; }
.lesson-layout .lesson-reading .takeaway p { margin: 8px 0 0; font-size: 18px; }
.lesson-example-inset { padding: 22px 26px; margin: 28px 0; border-left: 3px solid #7c3042; background: #f6f2ef; }
.lesson-example-inset h2 { font-size: 21px; margin: 0 0 12px; }
.lesson-example-inset p { font-size: 18px; line-height: 1.65; color: #424950; margin: 0 0 15px; }
.lesson-example-inset button { padding: 0; border: 0; background: none; color: var(--teal); font: 600 17px/1.5 var(--font-body); cursor: pointer; text-align: left; text-decoration: underline; text-underline-offset: 4px; }
.lesson-application { border: 1px solid #d4d2ce; border-top: 3px solid #7c3042; padding: 28px 30px 30px; background: #fff; margin: 30px 0 38px; scroll-margin-top: 24px; }
.lesson-layout .application-heading { display: block; margin: 0 0 16px; }
.application-heading > p { display: flex; justify-content: space-between; gap: 16px; color: #6a3944; margin: 0 0 10px; font-size: 16px; font-weight: 600; }
.application-heading > p > span { font-weight: 400; color: var(--muted); font-size: 15px; white-space: nowrap; }
.application-heading h2 { font: 650 26px/1.25 var(--font-body); color: var(--ink); margin: 0; letter-spacing: -.4px; }
.application-brief { color: #424950; font-size: 18px; line-height: 1.7; margin: 0 0 22px; }
.application-tree { margin: 24px 0 26px; }
.application-tree-root { border-bottom: 1px solid #b7b4b0; padding: 0 0 12px; color: var(--ink); font-size: 17px; font-weight: 600; line-height: 1.5; }
.application-tree-branches { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); column-gap: 17px; }
.application-tree-branches > div { min-width: 0; border-left: 1px solid #b7b4b0; padding: 16px 0 0 13px; }
.application-tree-branches button { display: flex; align-items: center; justify-content: space-between; gap: 7px; min-height: 48px; padding: 10px 0; color: var(--ink); border: 0; background: transparent; width: 100%; text-align: left; font: 600 17px/1.4 var(--font-body); cursor: pointer; }
.application-tree-branches button[aria-expanded=true] { color: var(--teal); }
.application-tree-branches button > span:last-child { font-size: 22px; font-weight: 400; }
.application-tree-branches p { color: #51575e; margin: 6px 0 0; font-size: 16px; line-height: 1.55; }
.application-tree-note { color: var(--muted); font-size: 15px; margin: 13px 0 0; }
.application-prompt { display: block; font-size: 18px; line-height: 1.65; font-weight: 600; color: var(--ink); margin: 0 0 13px; }
.lesson-application textarea { width: 100%; min-height: 125px; resize: vertical; padding: 15px 17px; border: 1px solid #aaa9a6; border-radius: 2px; background: #fff; font: 400 18px/1.65 var(--font-body); color: var(--ink); }
.lesson-application textarea::placeholder { color: #73777b; }
.application-saving { font-size: 15px; color: var(--muted); line-height: 1.5; margin: 8px 0 16px; }
.application-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.application-actions .btn { min-height: 45px; font-size: 16px; }
.application-study { border: 0; padding: 8px 0; background: transparent; color: #535960; font: 400 16px/1.5 var(--font-body); text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.application-model { margin-top: 26px; border-top: 1px solid #d4d2ce; padding-top: 24px; }
.application-model[hidden] { display: none; }
.application-model h3 { margin: 0 0 15px; color: var(--ink); font-size: 23px; line-height: 1.3; font-weight: 650; }
.application-model > p { font-size: 18px; line-height: 1.7; color: #424950; margin: 0 0 17px; }
.application-model fieldset { border: 0; padding: 20px 0 0; margin: 24px 0 0; border-top: 1px solid #d4d2ce; min-width: 0; }
.application-model legend { float: left; width: 100%; font-size: 20px; font-weight: 650; padding: 0; margin: 0 0 9px; }
.application-model fieldset > p { clear: both; font-size: 16px; color: var(--muted); line-height: 1.6; margin: 0 0 13px; }
.application-model label { display: flex; gap: 12px; align-items: flex-start; padding: 11px 0; font-size: 17px; line-height: 1.5; color: var(--ink); cursor: pointer; }
.application-model input { flex-shrink: 0; width: 18px; height: 18px; margin: 4px 0 0; accent-color: var(--teal); }
.application-model .application-review-status { font-size: 15px; color: var(--muted); margin: 15px 0 0; }
.lesson-transfer { margin: 34px 0; padding-top: 28px; border-top: 1px solid var(--line); }
.lesson-transfer h2 { font-size: 25px; line-height: 1.3; margin: 0 0 11px; letter-spacing: -.3px; }
.lesson-transfer > p { font-size: 18px; line-height: 1.65; color: #51575e; margin: 0 0 20px; }
.lesson-transfer-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.45; text-decoration: none; }
.lesson-transfer-link:hover > span:first-child { color: var(--teal); text-decoration: underline; text-underline-offset: 4px; }
.lesson-transfer-link small { display: block; font-size: 15px; color: var(--muted); font-weight: 400; margin-top: 4px; }
.lesson-all-practice { display: inline-block; margin-top: 18px; font-size: 16px; text-underline-offset: 4px; color: var(--teal); }
.lesson-layout .lesson-checkpoint { margin: 0 0 28px; padding: 26px 28px; border-radius: 3px; box-shadow: none; max-width: none; }
.lesson-layout .lesson-checkpoint h2 { font-size: 26px; }
.lesson-layout .lesson-actions { max-width: none; }
.lesson-layout .lesson-actions > p { font-size: 16px; line-height: 1.6; flex-basis: 100%; }
.lesson-layout .lesson-actions .btn { font-size: 17px; }
.lesson-layout .lesson-practice-links h2 { font-size: 24px; margin: 22px 0 8px; }
.lesson-layout .lesson-practice-links a { font-size: 17px; line-height: 1.5; }
.lesson-layout .lesson-related { font-size: 16px; gap: 15px 24px; }
.lesson-layout .lesson-panel-footer { margin-top: 20px; }
.lesson-neighbours { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.lesson-neighbours a { color: var(--ink); font-size: 18px; line-height: 1.5; text-decoration: none; white-space: normal; min-width: 0; overflow-wrap: anywhere; }
.lesson-neighbours a:hover { color: var(--teal); text-decoration: underline; text-underline-offset: 4px; }
.lesson-neighbours a > span:first-child { display: block; margin-bottom: 6px; font-size: 15px; color: var(--muted); }
.lesson-neighbours a:last-child { text-align: right; }
.lesson-layout button:focus-visible,.lesson-layout a:focus-visible,.lesson-layout summary:focus-visible,.lesson-layout textarea:focus-visible { outline: 3px solid #7c3042; outline-offset: 4px; }
.curriculum-module .module-lesson div > small { font-size: 15px; }
.curriculum-module .module-status,.curriculum-module .lesson-status { font-size: 14px; }
@media(max-width:1000px) {
  .lesson-course-context { gap: 18px; grid-template-columns: 1fr auto; }
  .lesson-course-context > span { grid-column: 1; grid-row: 2; }
  .lesson-course-context .lesson-contents-toggle { grid-column: 2; grid-row: 1 / 3; }
}
@media(max-width:620px) {
  .lesson-layout .lesson-contents { margin-bottom: 26px; }
  .lesson-course-context { gap: 13px; padding-bottom: 17px; }
  .lesson-course-context > span { font-size: 16px; }
  .lesson-course-context .back-link { font-size: 16px; }
  .lesson-layout .lesson-contents-toggle { padding: 8px 10px; font-size: 15px; gap: 10px; }
  .lesson-layout .lesson-heading h1 { font-size: 33px; line-height: 1.17; letter-spacing: -.7px; }
  .lesson-layout .lesson-heading > p { font-size: 19px; line-height: 1.6; }
  .lesson-layout .lesson-heading .lesson-duration { font-size: 15px; margin-top: 14px; }
  .lesson-layout .lesson-format-tabs { gap: 22px; }
  .lesson-layout .lesson-format-tabs button { font-size: 16px; padding-block: 13px; }
  .lesson-layout .lesson-reading-map { gap: 5px 15px; padding-bottom: 12px; }
  .lesson-layout .lesson-reading p { font-size: 18px; line-height: 1.75; }
  .lesson-layout .lesson-reading h2 { font-size: 24px; }
  .lesson-application { padding: 23px 19px 25px; margin-block: 28px; }
  .application-heading h2 { font-size: 25px; }
  .application-heading > p { font-size: 16px; }
  .application-brief,.application-prompt { font-size: 18px; }
  .application-tree-branches { grid-template-columns: 1fr; gap: 0; padding-left: 6px; }
  .application-tree-branches > div { padding: 2px 0 3px 17px; position: relative; }
  .application-tree-branches > div::before { content: ''; width: 12px; border-top: 1px solid #b7b4b0; position: absolute; left: 0; top: 27px; }
  .application-tree-branches p { margin: 0 0 12px; }
  .application-tree-branches button { min-height: 48px; padding: 9px 0; }
  .application-actions { gap: 8px; align-items: stretch; flex-direction: column; }
  .application-study { align-self: flex-start; }
  .lesson-application textarea { padding: 13px; }
  .application-model > p { font-size: 18px; }
  .application-model label { font-size: 17px; }
  .lesson-layout .lesson-checkpoint { padding: 23px 19px; }
  .lesson-example-inset { padding: 20px; }
  .lesson-neighbours { grid-template-columns: 1fr; gap: 24px; }
  .lesson-neighbours a:last-child { text-align: left; }
}
@media(max-width:360px) {
  .lesson-course-context { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; }
  .lesson-course-context > span { flex-basis: 100%; order: 2; }
  .lesson-layout .lesson-heading h1 { font-size: 30px; }
  .lesson-layout .lesson-format-tabs { gap: 18px; }
  .lesson-layout .lesson-format-tabs button { font-size: 15px; }
  .lesson-application { padding-inline: 15px; }
  .application-heading > p { flex-wrap: wrap; gap: 2px 15px; }
}
.lesson-layout .worked-example > header { display: block; }
.lesson-layout .example-stage-nav button { font: 600 16px/1.5 var(--font-body); min-height: 44px; padding: 10px 14px; }
.lesson-layout .example-navigation > span,.lesson-layout .tree-footnote { font-size: 15px !important; }
.lesson-layout .issue-tree-branch > button { font: 600 16px/1.5 var(--font-body); }
.lesson-layout .issue-tree-root { font: 600 18px/1.5 var(--font-body); }
.lesson-layout .issue-tree-detail,.lesson-layout .issue-tree-detail > p { font-size: 17px; }
.lesson-layout .calculator-inputs .field,.lesson-layout .calculator-results span { font-size: 16px; }
.lesson-layout .calculator-explanation { font-size: 16px !important; }
.quiz-draft-notice{font-size:18px;line-height:1.65;margin:24px 0 0;padding:16px 0;border-top:1px solid var(--suite-line,#d9d0dd);color:var(--suite-ink,#2d2334)}