.learning-page { background:var(--paper); }
.portal-hero { overflow:hidden; background:var(--forest); color:var(--white); }
.portal-hero-grid { min-height:500px; display:grid; grid-template-columns:1.2fr .8fr; align-items:center; gap:45px; padding-block:56px; }
.portal-hero .eyebrow { color:#e7d6a5; }
.portal-hero h1 { max-width:680px; font-size:clamp(54px,7.6vw,88px); }
.portal-hero h1 em { color:var(--sun); }
.portal-hero .hero-lede { color:rgba(255,255,255,.78); }
.portal-actions { display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.portal-quiet-link { color:rgba(255,255,255,.8); font-size:12px; font-weight:700; }
.portal-quiet-link:hover { color:var(--sun); }
.open-access-note { margin:19px 0 0; color:rgba(255,255,255,.67); font-size:11px; }
.portal-hero-art { min-height:335px; position:relative; display:grid; place-items:center; }
.portal-note { width:270px; min-height:300px; display:flex; flex-direction:column; justify-content:center; gap:20px; padding:36px; border:1px solid rgba(23,73,67,.12); border-radius:8px 26px 8px 20px; background:#fffdf9; color:var(--ink); box-shadow:0 24px 60px rgba(0,0,0,.2); transform:rotate(3deg); }
.portal-note span { color:var(--coral); font-size:9px; font-weight:800; letter-spacing:.17em; }
.portal-note strong { color:var(--forest); font:500 43px/.98 var(--serif); }
.portal-note p { margin:0; padding-top:13px; border-top:1px solid var(--line); color:var(--muted); font:italic 18px var(--serif); }
.portal-doodle { position:absolute; right:5%; bottom:0; color:var(--sun); font:italic 80px var(--serif); transform:rotate(-10deg); }
.portal-stats { background:var(--paper-deep); }
.portal-stats-grid { display:grid; grid-template-columns:repeat(4,1fr); padding-block:24px; }
.portal-stats-grid div { display:grid; justify-items:center; gap:2px; border-right:1px solid var(--line); }
.portal-stats-grid div:last-child { border:0; }
.portal-stats-grid strong { color:var(--forest); font:500 27px var(--serif); }
.portal-stats-grid span { color:var(--muted); font-size:11px; }
.category-section { padding-block:86px 94px; }
.section-heading { max-width:690px; margin-bottom:27px; }
.section-heading h2 { margin-bottom:10px; font-size:clamp(37px,4.8vw,56px); }
.section-intro { color:var(--muted); font-size:14px; }
.category-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.category-card { min-height:230px; display:flex; flex-direction:column; align-items:flex-start; padding:25px; border:1px solid var(--line); border-radius:17px; background:var(--white); transition:transform .2s,box-shadow .2s,border-color .2s; }
.category-card:hover { transform:translateY(-3px); border-color:rgba(23,73,67,.34); box-shadow:var(--shadow); }
.category-card > span { color:var(--coral); font-size:10px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
.category-card h2 { margin:21px 0 8px; font:500 26px/1.12 var(--serif); letter-spacing:-.03em; }
.category-card p { margin-bottom:16px; color:var(--muted); font-size:12px; line-height:1.55; }
.category-card strong { margin-top:auto; color:var(--forest); font-size:11px; }
.tool-category { background:var(--green-soft); }
.library-section { padding-block:83px 95px; background:var(--paper-deep); }
.library-section .section-heading { margin-bottom:23px; }
.study-controls { display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.learning-search { min-height:48px; display:flex; align-items:center; gap:10px; flex:1; padding:0 15px; border:1px solid var(--line); border-radius:999px; background:var(--white); color:var(--muted); }
.learning-search > span { color:var(--coral); font-size:23px; }
.learning-search input { width:100%; min-width:0; border:0; outline:0; background:transparent; color:var(--ink); font-size:12px; }
.learning-search kbd { padding:2px 7px; border:1px solid var(--line); border-radius:4px; font-size:10px; }
.level-filter { display:flex; align-items:center; gap:9px; color:var(--muted); font-size:11px; }
.level-filter select { min-height:43px; padding:0 28px 0 12px; border:1px solid var(--line); border-radius:999px; background:var(--white); color:var(--ink); }
.study-count { min-height:18px; margin:0 0 10px; color:var(--muted); font-size:11px; }
.study-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:13px; }
.study-card { min-height:230px; display:flex; flex-direction:column; padding:21px; border:1px solid var(--line); border-radius:15px; background:var(--white); transition:transform .18s,box-shadow .18s; }
.study-card:hover { transform:translateY(-3px); box-shadow:var(--shadow); }
.study-card[hidden] { display:none; }
.study-card-top { display:flex; justify-content:space-between; color:var(--coral); font-size:9px; font-weight:800; letter-spacing:.13em; text-transform:uppercase; }
.study-card-top span:last-child { color:var(--muted); font-weight:600; letter-spacing:0; }
.study-card h3 { margin:19px 0 8px; font-size:23px; }
.study-card p { margin-bottom:16px; color:var(--muted); font-size:12px; line-height:1.5; }
.study-card-link { display:flex; justify-content:space-between; margin-top:auto; color:var(--forest); font-size:11px; font-weight:700; }
.study-card-link b { color:var(--coral); font-size:15px; }
.study-empty { margin:28px 0; padding:28px; border:1px dashed var(--line); border-radius:14px; color:var(--muted); text-align:center; }
.more-tools { display:flex; flex-wrap:wrap; gap:10px; margin-top:25px; }
.more-tools a { padding:10px 14px; border:1px solid rgba(23,73,67,.19); border-radius:999px; color:var(--forest); font-size:11px; font-weight:700; }
.portal-teacher { padding-block:78px; background:var(--green-soft); }
.portal-teacher-grid { display:grid; grid-template-columns:1fr 235px; align-items:center; gap:44px; }
.portal-teacher h2 { max-width:600px; font-size:clamp(36px,4vw,50px); }
.portal-teacher p:not(.eyebrow) { max-width:560px; color:var(--muted); font-size:14px; }
.portal-teacher img { width:210px; height:245px; object-fit:cover; object-position:50% 37%; border-radius:120px 120px 18px 18px; box-shadow:var(--shadow); }
.study-hero { padding-block:32px 40px; }
.breadcrumbs { display:flex; flex-wrap:wrap; align-items:center; gap:9px; margin-bottom:34px; color:var(--muted); font-size:11px; }
.breadcrumbs a { color:var(--forest); font-weight:700; }
.breadcrumbs span:last-child { color:var(--muted); }
.study-hero .eyebrow { margin-bottom:15px; }
.study-hero h1 { max-width:850px; margin-bottom:12px; font-size:clamp(46px,6.2vw,72px); }
.study-hero .hero-lede { max-width:720px; margin-bottom:20px; }
.hub-note { display:flex; align-items:center; flex-wrap:wrap; gap:14px; padding:13px 16px; border-left:3px solid var(--coral); background:var(--paper-deep); }
.hub-note strong { color:var(--forest); font-size:12px; }
.hub-note span { color:var(--muted); font-size:11px; }
.study-list { padding-block:20px 80px; }
.study-bottom { display:flex; align-items:center; justify-content:space-between; gap:35px; padding-block:52px; border-top:1px solid var(--line); }
.study-bottom h2 { margin:0 0 8px; font-size:36px; }
.study-bottom p:not(.eyebrow) { max-width:500px; margin:0; color:var(--muted); font-size:13px; }
.study-bottom-links { display:flex; flex-wrap:wrap; gap:9px; }
.article-wrap { padding-bottom:80px; }
.article-wrap > .breadcrumbs { margin-top:25px; }
.article-hero { max-width:850px; padding-block:14px 31px; }
.article-hero .eyebrow { margin-bottom:14px; }
.article-hero h1 { margin-bottom:15px; font-size:clamp(43px,6.3vw,74px); }
.article-hero .hero-lede { max-width:760px; margin-bottom:20px; }
.article-meta { display:flex; align-items:center; flex-wrap:wrap; gap:9px; }
.article-meta span,.article-meta button { padding:8px 12px; border:1px solid var(--line); border-radius:999px; background:transparent; color:var(--muted); font-size:10px; }
.article-meta button { color:var(--forest); cursor:pointer; font-weight:700; }
.article-meta button[aria-pressed="true"] { border-color:var(--forest); background:var(--forest); color:white; }
.progress-note { min-height:16px; margin:8px 0 0; color:var(--muted); font-size:10px; }
.article-layout { display:grid; grid-template-columns:220px minmax(0,760px); align-items:start; justify-content:space-between; gap:50px; }
.article-aside { position:sticky; top:20px; display:grid; gap:15px; }
.article-index,.course-progress { display:grid; gap:10px; padding:17px; border:1px solid var(--line); border-radius:13px; background:var(--white); }
.article-index strong,.course-progress > span { margin-bottom:3px; color:var(--forest); font-size:11px; }
.article-index a { color:var(--muted); font-size:10px; line-height:1.4; }
.article-index a:hover { color:var(--coral); }
.course-progress strong { font:500 20px var(--serif); }
.progress-track { height:5px; overflow:hidden; border-radius:999px; background:var(--paper-deep); }
.progress-track i { width:0; height:100%; display:block; background:var(--coral); transition:width .25s; }
.study-article { min-width:0; }
.content-section { margin-bottom:32px; scroll-margin-top:25px; }
.content-section h2,.exercise-box h2,.related-content h2 { margin-bottom:13px; font-size:clamp(27px,3.2vw,37px); }
.objective-list { display:grid; gap:8px; padding-left:21px; color:var(--muted); font-size:14px; }
.objective-list li::marker { color:var(--coral); }
.article-prose { min-width:0; color:var(--ink); font-size:15px; line-height:1.85; overflow-wrap:anywhere; }
.article-prose p { margin:0 0 14px; }
.article-prose em,.common-mistake em { color:var(--forest); font-weight:600; }
.article-prose table { width:100%; margin-block:15px; border-collapse:collapse; font-size:13px; }
.article-prose th,.article-prose td { padding:10px; border:1px solid var(--line); text-align:left; }
.article-prose th { background:var(--paper-deep); }
.example-grid { display:grid; gap:10px; }
.example-card { padding:15px 17px; border:1px solid var(--line); border-radius:12px; background:var(--white); }
.example-card > p:first-child { display:flex; align-items:center; justify-content:space-between; gap:15px; margin:0; color:var(--forest); font-size:15px; }
.example-card > p:first-child strong { min-width:0; flex:1 1 180px; overflow-wrap:anywhere; }
.translation { margin:5px 0 0; color:var(--ink); font-size:13px; }
.example-note { margin:5px 0 0; color:var(--muted); font-size:11px; }
.speech-note { margin:0 0 10px; color:var(--muted); font-size:10px; }
.speak-button { padding:5px 9px; border:1px solid rgba(23,73,67,.18); border-radius:999px; background:transparent; color:var(--forest); cursor:pointer; font-size:9px; font-weight:700; white-space:nowrap; }
.speak-button:hover { background:var(--green-soft); }
.speak-button span { color:var(--coral); }
.common-mistake { margin:28px 0; padding:18px 20px; border-left:3px solid var(--coral); border-radius:0 11px 11px 0; background:#f1e7df; }
.common-mistake strong { color:var(--forest); font-size:12px; }
.common-mistake p { margin:7px 0 0; color:var(--ink); font-size:13px; line-height:1.7; }
.word-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
.word-card { padding:15px; border:1px solid var(--line); border-radius:12px; background:var(--white); }
.word-card-top { display:flex; align-items:center; justify-content:space-between; gap:8px; color:var(--forest); font-size:16px; }
.word-card > p { margin:6px 0 0; font-size:12px; }
.word-card .word-example { color:var(--muted); font-style:italic; }
.word-card .pronunciation-label { color:var(--muted); font-size:10px; }
.flashcard { margin-top:18px; padding:23px; border-radius:15px; background:var(--forest); color:white; text-align:center; }
.flashcard-label { margin:0 0 7px; color:var(--sun); font-size:9px; font-weight:800; letter-spacing:.15em; text-transform:uppercase; }
.flashcard-word { margin:0 0 8px; font:500 35px var(--serif); }
.flashcard-answer { max-width:560px; margin:0 auto 15px; color:rgba(255,255,255,.82); font-size:13px; }
.flashcard-actions { display:flex; justify-content:center; flex-wrap:wrap; gap:8px; }
.flashcard .button { min-height:42px; font-size:11px; }
.tool-note { margin:12px 0 0; color:rgba(255,255,255,.65); font-size:10px; }
.dialogue { display:grid; gap:4px; margin:14px 0; padding:14px 18px; border-radius:11px; background:var(--paper-deep); }
.dialogue p { margin:0; font-size:14px; }
.dialogue b { color:var(--forest); }
.listening-box { margin-block:28px; padding:20px; border:1px solid var(--line); border-radius:15px; background:var(--green-soft); }
.listening-box > p:not(.exercise-kicker) { color:var(--muted); font-size:12px; }
.exercise-kicker { margin:0 0 8px; color:var(--coral); font-size:10px; font-weight:800; letter-spacing:.14em; text-transform:uppercase; }
.audio-controls { display:flex; flex-wrap:wrap; gap:9px; }
.audio-controls .button { min-height:44px; font-size:11px; }
.transcript { margin-top:16px; padding-top:13px; border-top:1px solid rgba(23,73,67,.18); }
.transcript summary { color:var(--forest); cursor:pointer; font-size:11px; font-weight:700; }
.transcript p { margin:9px 0 0; color:var(--ink); font-size:13px; line-height:1.7; }
.exercise-box { margin-block:30px; padding:22px; border-radius:16px; background:var(--paper-deep); }
.review-quiz { margin-top:35px; padding:18px 20px; border:1px solid var(--line); border-radius:15px; background:var(--white); }
.review-quiz > summary { color:var(--forest); cursor:pointer; font:500 21px var(--serif); }
.review-intro { margin:12px 0 20px; color:var(--muted); font-size:12px; }
.review-question { padding-block:17px; border-top:1px solid var(--line); }
.review-question-number { margin:0 0 7px; color:var(--coral); font-size:9px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; }
.review-question-number a { color:var(--forest); text-decoration:underline; text-transform:none; }
.review-question h3 { margin:0 0 10px; font:500 19px/1.35 var(--serif); }
.review-question .answer-option { font-size:11px; }
.review-score { margin:15px -20px -18px; padding:14px 20px; border-radius:0 0 15px 15px; background:var(--forest); color:white; font-size:12px; font-weight:700; }
.exercise-box h2 { font:500 23px/1.35 var(--serif); letter-spacing:-.02em; }
.exercise-options { display:grid; gap:8px; }
.answer-option { padding:11px 13px; border:1px solid var(--line); border-radius:9px; background:var(--white); color:var(--ink); cursor:pointer; text-align:left; font-size:12px; }
.answer-option:hover:not(:disabled) { border-color:var(--forest); }
.answer-option:disabled { cursor:default; }
.answer-option.is-correct { border-color:#2d7656; background:#e0f0e3; }
.answer-option.is-incorrect { border-color:#a64e43; background:#f7e3dd; }
.exercise-feedback { margin:12px 0 0; font-size:12px; }
.exercise-feedback.is-correct { color:#1f6a45; }
.exercise-feedback.is-incorrect { color:#8e3f34; }
.summary-card { margin-block:27px; padding:19px 21px; border:1px solid rgba(23,73,67,.15); border-radius:13px; background:var(--green-soft); }
.summary-card > p:last-child { margin:0; font-size:13px; line-height:1.7; }
.related-content { margin-block:35px; }
.related-links { display:flex; flex-wrap:wrap; gap:8px; }
.related-links a { padding:9px 12px; border:1px solid var(--line); border-radius:999px; background:var(--white); color:var(--forest); font-size:10px; font-weight:700; }
.related-links a span { color:var(--coral); }
.teacher-cta { margin-block:36px; padding:24px; border-radius:16px; background:var(--forest); color:white; }
.teacher-cta .eyebrow { margin-bottom:8px; color:var(--sun); }
.teacher-cta h2 { margin-bottom:8px; font-size:32px; }
.teacher-cta p:not(.eyebrow) { max-width:530px; color:rgba(255,255,255,.75); font-size:12px; }
.teacher-cta .button { min-height:43px; font-size:11px; }
.lesson-pagination { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:34px; }
.lesson-pagination a,.lesson-pagination .course-finished { min-height:95px; display:grid; align-content:center; gap:5px; padding:16px; border:1px solid var(--line); border-radius:13px; background:var(--white); }
.lesson-pagination a span { color:var(--coral); font-size:9px; font-weight:800; text-transform:uppercase; }
.lesson-pagination a strong { font:500 16px/1.25 var(--serif); }
.lesson-pagination .next-lesson { text-align:right; }
.lesson-pagination .next-lesson { border-color:var(--forest); background:var(--forest); color:white; }
.lesson-pagination .next-lesson span { color:var(--sun); }
.lesson-pagination .course-finished { border-color:rgba(23,73,67,.18); background:var(--green-soft); }
.lesson-pagination .course-finished span { color:var(--coral); font-size:9px; font-weight:800; text-transform:uppercase; }
.lesson-pagination .course-finished strong { color:var(--forest); font:500 16px/1.25 var(--serif); }
.course-return-link { display:inline-block; margin-top:13px; color:var(--muted); font-size:11px; font-weight:700; }
:focus-visible { outline:3px solid #d97662; outline-offset:3px; }
@media (max-width:900px) {
  .portal-hero-grid { min-height:0; grid-template-columns:1fr .7fr; gap:15px; }
  .category-grid,.study-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .article-layout { grid-template-columns:180px minmax(0,1fr); gap:28px; }
  .article-index { max-height:70vh; overflow:auto; }
}
@media (max-width:650px) {
  .portal-hero-grid { grid-template-columns:1fr; padding-block:46px 32px; }
  .portal-hero-art { min-height:230px; }
  .portal-note { width:220px; min-height:215px; gap:12px; padding:24px; }
  .portal-note strong { font-size:35px; }
  .portal-doodle { right:6%; bottom:-5px; font-size:61px; }
  .portal-stats-grid { grid-template-columns:repeat(2,1fr); row-gap:17px; }
  .portal-stats-grid div:nth-child(2) { border:0; }
  .portal-stats-grid strong { font-size:23px; }
  .category-section,.library-section { padding-block:57px; }
  .category-grid,.study-grid { grid-template-columns:1fr; }
  .category-card { min-height:190px; }
  .study-card { min-height:190px; }
  .study-controls { align-items:stretch; flex-direction:column; }
  .level-filter { justify-content:space-between; }
  .level-filter select { flex:1; }
  .portal-teacher-grid { grid-template-columns:1fr; gap:24px; }
  .portal-teacher img { width:160px; height:190px; }
  .study-hero { padding-top:20px; }
  .breadcrumbs { margin-bottom:24px; font-size:10px; }
  .study-bottom { align-items:flex-start; flex-direction:column; }
  .study-bottom-links { width:100%; }
  .article-layout { grid-template-columns:1fr; gap:15px; }
  .article-aside { position:static; }
  .article-index { display:flex; align-items:center; gap:11px; overflow:auto; padding:12px; white-space:nowrap; }
  .article-index strong { flex:0 0 auto; }
  .article-index a { flex:0 0 auto; }
  .course-progress { display:grid; grid-template-columns:1fr auto; align-items:center; }
  .course-progress .progress-track { grid-column:1/-1; }
  .word-grid { grid-template-columns:1fr; }
  .lesson-pagination { grid-template-columns:1fr; }
  .lesson-pagination .next-lesson { text-align:left; }
  .example-card > p:first-child { align-items:flex-start; flex-wrap:wrap; }
  .example-card .speak-button { flex:0 0 auto; }
}
@media (prefers-reduced-motion:reduce) {
  .learning-page *, .learning-page *::before, .learning-page *::after { scroll-behavior:auto !important; transition:none !important; }
}

/* Learning library visual refresh */
.portal-hero { background:radial-gradient(circle at 82% 18%,rgba(243,205,128,.13),transparent 29%),var(--forest); }
.portal-hero-grid { min-height:470px; gap:clamp(28px,6vw,78px); padding-block:clamp(48px,6vw,76px); }
.portal-hero h1 { max-width:720px; font-size:clamp(48px,6.5vw,78px); }
.portal-hero .hero-lede { max-width:580px; font-size:clamp(17px,1.7vw,20px); line-height:1.65; }
.portal-actions { gap:12px 20px; }
.portal-quiet-link { min-height:44px; display:inline-flex; align-items:center; font-size:13px; }
.open-access-note { max-width:490px; font-size:12px; line-height:1.6; }
.portal-note { border-radius:12px 30px 12px 24px; transform:rotate(2deg); }
.portal-stats-grid { padding-block:26px; }
.portal-stats-grid strong { font-size:30px; }
.portal-stats-grid span { font-size:12px; }
.category-section,.library-section { padding-block:clamp(60px,7vw,88px); }
.section-heading { margin-bottom:32px; }
.section-heading h2 { font-size:clamp(34px,4vw,50px); }
.section-intro { max-width:700px; font-size:15px; line-height:1.65; }
.category-grid { grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.category-card { min-height:248px; padding:25px; border-radius:20px; transition:transform .18s,box-shadow .18s,border-color .18s; }
.category-card:hover { transform:translateY(-4px); }
.category-card > span { font-size:11px; }
.category-card h2 { margin-top:18px; font-size:27px; line-height:1.16; }
.category-card p { font-size:14px; line-height:1.65; }
.category-card strong { min-height:44px; display:flex; align-items:center; font-size:13px; }
.study-controls { gap:14px; margin-bottom:14px; }
.learning-search { min-height:52px; border-radius:14px; }
.learning-search input { min-height:48px; font-size:14px; }
.learning-search:focus-within { border-color:var(--forest); box-shadow:0 0 0 3px rgba(21,77,69,.12); }
.learning-search kbd { font:600 11px var(--sans); }
.level-filter { font-size:13px; }
.level-filter select { min-height:48px; font:inherit; }
.study-count { min-height:22px; margin-bottom:14px; font-size:13px; }
.duration-note { margin:-4px 0 12px; color:var(--muted); font-size:12px; line-height:1.5; }
.study-grid { gap:16px; }
.study-card { min-height:236px; padding:22px; border-radius:18px; transition:transform .18s,box-shadow .18s,border-color .18s; }
.study-card:hover { border-color:rgba(21,77,69,.38); transform:translateY(-3px); }
.study-card-top { font-size:11px; }
.study-card-top span:last-child { white-space:nowrap; }
.study-card h3 { font-size:24px; line-height:1.2; }
.study-card p { font-size:14px; line-height:1.6; }
.study-card-link { min-height:44px; align-items:center; font-size:13px; }
.more-tools { gap:10px; }
.more-tools a { min-height:44px; display:inline-flex; align-items:center; padding-inline:16px; font-size:12px; }
.portal-teacher { padding-block:clamp(52px,7vw,82px); }
.portal-teacher p:not(.eyebrow) { font-size:15px; line-height:1.7; }
.portal-teacher img { width:220px; height:260px; border-radius:20px 20px 105px 20px; object-position:50% 24%; }
.breadcrumbs { margin-bottom:26px; font-size:13px; }
.study-hero { padding-block:28px 34px; }
.study-hero .hero-lede { line-height:1.7; }
.hub-note { padding:15px 18px; border-radius:0 14px 14px 0; }
.hub-note strong,.hub-note span { font-size:13px; line-height:1.6; }
.study-list { padding-block:18px 72px; }
.study-bottom { gap:22px; padding-block:42px; }
.article-wrap { padding-bottom:68px; }
.article-wrap > .breadcrumbs { margin-top:22px; }
.article-hero { max-width:910px; padding-block:12px 28px; }
.article-hero .eyebrow { font-size:12px; }
.article-hero h1 { font-size:clamp(42px,5.5vw,68px); line-height:1.08; }
.article-hero .hero-lede { font-size:clamp(17px,1.7vw,20px); line-height:1.65; }
.article-meta { gap:8px; }
.article-meta span,.article-meta button { min-height:44px; display:inline-flex; align-items:center; padding:8px 14px; font-size:12px; }
.article-aside { top:96px; }
.article-index,.course-progress { gap:6px; padding:15px; border-radius:16px; }
.article-index strong,.course-progress > span { font-size:13px; }
.article-index a { min-height:38px; display:flex; align-items:center; font-size:12px; }
.progress-note { min-height:24px; font-size:12px; line-height:1.5; }
.objective-list { font-size:16px; line-height:1.7; }
.article-prose { font-size:16px; line-height:1.82; }
.article-prose table { display:block; max-width:100%; overflow-x:auto; overscroll-behavior-inline:contain; }
.example-grid { gap:12px; }
.example-card { padding:18px; border-radius:16px; }
.example-card > p:first-child { align-items:flex-start; font-size:16px; line-height:1.55; }
.example-note,.translation { font-size:14px; line-height:1.6; }
.speak-button { min-width:76px; min-height:44px; padding:8px 12px; font-size:12px; }
.common-mistake { padding:20px 22px; border-radius:0 15px 15px 0; }
.common-mistake strong,.common-mistake p { font-size:15px; line-height:1.7; }
.word-grid { gap:12px; }
.word-card { padding:17px; border-radius:15px; }
.word-card > p { font-size:14px; line-height:1.6; }
.flashcard { padding:25px; border-radius:20px; }
.flashcard .button { min-height:48px; font-size:13px; }
.tool-note { font-size:12px; line-height:1.6; }
.listening-box { padding:22px; border-radius:20px; }
.listening-box > p:not(.exercise-kicker),.transcript p { font-size:15px; line-height:1.7; }
.audio-controls .button { min-height:48px; font-size:13px; }
.transcript summary { min-height:44px; display:flex; align-items:center; font-size:14px; }
.exercise-box { padding:clamp(20px,4vw,30px); border-radius:20px; }
.exercise-kicker { font-size:11px; }
.exercise-box h2 { font-size:clamp(23px,3vw,29px); line-height:1.4; }
.exercise-options { gap:10px; }
.answer-option { min-height:48px; padding:12px 15px; font-size:15px; line-height:1.45; }
.exercise-feedback { font-size:15px; line-height:1.6; }
.review-quiz { padding:22px; border-radius:18px; }
.review-quiz > summary { min-height:48px; display:flex; align-items:center; font-size:23px; }
.review-intro { font-size:14px; line-height:1.6; }
.review-question-number { font-size:11px; line-height:1.5; }
.review-question h3 { font-size:20px; line-height:1.45; }
.review-question .answer-option { font-size:14px; }
.review-score { margin-inline:-22px; margin-bottom:-22px; padding:15px 22px; font-size:14px; }
.summary-card { padding:22px; border-radius:18px; }
.summary-card > p:last-child { font-size:15px; line-height:1.7; }
.related-links { gap:8px; }
.related-links a { min-height:44px; display:inline-flex; align-items:center; padding:9px 13px; font-size:12px; }
.teacher-cta { padding:clamp(22px,4vw,32px); border-radius:20px; }
.teacher-cta h2 { font-size:clamp(29px,4vw,38px); }
.teacher-cta p:not(.eyebrow) { font-size:15px; line-height:1.65; }
.teacher-cta .button { min-height:48px; font-size:13px; }
.lesson-pagination { gap:12px; }
.lesson-pagination a { min-height:108px; padding:18px; border-radius:16px; }
.lesson-pagination a span { font-size:11px; }
.lesson-pagination a strong { font-size:17px; line-height:1.4; }

:focus-visible { outline:3px solid #713e31; outline-offset:3px; }

@media (max-width:900px) {
  .portal-hero-grid { min-height:0; grid-template-columns:1fr .72fr; gap:20px; }
  .category-grid,.study-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .article-layout { grid-template-columns:minmax(0,1fr); gap:20px; }
  .article-aside { position:static; }
  .article-index { display:flex; flex-wrap:wrap; align-items:center; gap:8px; max-height:none; overflow:visible; white-space:normal; }
  .article-index strong { flex:0 0 100%; }
  .article-index a { min-height:44px; flex:0 1 auto; padding:8px 11px; border:1px solid var(--line); border-radius:999px; background:var(--paper); }
  .course-progress { display:grid; grid-template-columns:1fr auto; align-items:center; }
  .course-progress .progress-track { grid-column:1/-1; }
}

@media (max-width:650px) {
  .portal-hero-grid { grid-template-columns:1fr; padding-block:38px 30px; }
  .portal-hero h1 { font-size:clamp(43px,11vw,60px); }
  .portal-hero .hero-lede { font-size:16px; }
  .portal-actions { align-items:flex-start; flex-direction:column; gap:5px; }
  .portal-quiet-link { font-size:13px; }
  .open-access-note { font-size:12px; }
  .portal-hero-art { min-height:215px; }
  .portal-note { width:210px; min-height:205px; gap:12px; padding:22px; }
  .portal-note strong { font-size:34px; }
  .portal-stats-grid { row-gap:15px; }
  .portal-stats-grid div:nth-child(2) { border:0; }
  .portal-stats-grid strong { font-size:25px; }
  .portal-stats-grid span { font-size:11px; text-align:center; }
  .category-section,.library-section { padding-block:54px; }
  .category-grid,.study-grid { grid-template-columns:minmax(0,1fr); gap:12px; }
  .category-card { min-height:0; padding:21px; }
  .category-card h2 { margin-top:13px; font-size:25px; }
  .category-card p { font-size:14px; }
  .study-card { min-height:0; padding:19px; }
  .study-card h3 { margin-top:14px; font-size:22px; }
  .study-controls { align-items:stretch; flex-direction:column; }
  .level-filter { justify-content:space-between; }
  .level-filter select { flex:1; }
  .portal-teacher-grid { grid-template-columns:minmax(0,1fr); gap:24px; }
  .portal-teacher img { width:160px; height:190px; }
  .breadcrumbs { gap:6px; margin-bottom:20px; font-size:12px; }
  .study-hero { padding-block:23px 29px; }
  .study-hero h1 { font-size:clamp(39px,10vw,54px); }
  .hub-note { align-items:flex-start; flex-direction:column; gap:3px; }
  .study-bottom { align-items:flex-start; flex-direction:column; gap:18px; }
  .study-bottom-links { width:100%; }
  .article-wrap > .breadcrumbs { margin-top:16px; }
  .article-hero h1 { font-size:clamp(37px,10vw,54px); }
  .article-meta { align-items:stretch; }
  .article-meta span,.article-meta button { min-height:44px; }
  .article-index { gap:7px; padding:14px; }
  .article-index a { max-width:100%; font-size:12px; white-space:normal; }
  .objective-list { padding-left:20px; font-size:15px; }
  .article-prose { font-size:15px; line-height:1.78; }
  .article-prose table { font-size:12px; }
  .article-prose th,.article-prose td { min-width:104px; padding:8px; }
  .example-card > p:first-child { align-items:flex-start; flex-wrap:wrap; }
  .example-card .speak-button { flex:0 0 auto; }
  .flashcard-actions { align-items:stretch; flex-direction:column; }
  .audio-controls { align-items:stretch; }
  .audio-controls .button { flex:1; }
  .review-quiz { padding:16px; }
  .review-quiz > summary { font-size:20px; line-height:1.35; }
  .review-score { margin-inline:-16px; margin-bottom:-16px; padding:14px 16px; }
  .related-links { display:grid; grid-template-columns:minmax(0,1fr); }
  .related-links a { border-radius:12px; }
  .lesson-pagination { grid-template-columns:minmax(0,1fr); }
  .lesson-pagination .next-lesson { text-align:left; }
}

@media (prefers-reduced-motion:reduce) {
  .learning-page *, .learning-page *::before, .learning-page *::after { transition:none !important; }
}