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.study-path-card .small{color:var(--nx-muted,#62596f)}
.study-path-card ol{margin:14px 0;padding-left:20px}.study-path-card li{margin:7px 0}.study-path-card li a{color:var(--nx-accent,#674195);text-underline-offset:2px}
.study-path-badge{display:inline-block;border-radius:8px;padding:5px 8px;background:var(--nx-soft,#ece7f7);color:var(--nx-ink,#191329);font:700 12px/1.3 Onest,system-ui,sans-serif}
.study-plan-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 14px;box-sizing:border-box;border-radius:12px;background:var(--nx-accent,#674195);color:var(--nx-on-accent,#fff)!important;text-decoration:none;font:700 14px/1.3 Onest,system-ui,sans-serif}
@media(max-width:850px){.study-path-grid{grid-template-columns:1fr}}

/* IELTS starter practice fields: keep labels and answers readable at every width. */
.ielts-practice label[for]{display:block;margin:14px 0 8px;font-weight:650}
.ielts-practice textarea{display:block;width:100%;max-width:100%;min-height:120px;box-sizing:border-box;padding:12px 14px;border:1px solid var(--nx-line);border-radius:12px;line-height:1.5;resize:vertical}
.ielts-practice :is(button,.nx-action){min-height:44px}
.ielts-practice fieldset label{display:inline-flex;align-items:flex-start;gap:8px;margin:6px 0}
.ielts-practice .growth-card{margin:14px 0}

/* TOEFL Speaking starter practice uses the shared purple system. */
.speaking-practice label[for]{display:block;margin:14px 0 8px;font-weight:650}
.speaking-practice textarea{display:block;width:100%;max-width:100%;min-height:110px;box-sizing:border-box;padding:12px 14px;border:1px solid var(--nx-line);border-radius:12px;line-height:1.5;resize:vertical}
.speaking-practice :is(button,.nx-action){min-height:44px}
.speaking-practice .growth-card{margin:14px 0}
.speaking-practice .speaking-controls{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.speaking-practice fieldset{margin:18px 0;border:1px solid var(--nx-line);border-radius:12px;padding:14px}
.speaking-practice fieldset label{display:block;margin:8px 0}
.speaking-practice audio{display:block;max-width:100%;margin:12px 0}
.speaking-practice button:disabled{opacity:.52;cursor:not-allowed}

/* Grammar reference library: shared purple brand tokens; no new palette. */
.grammar-guide{max-width:1040px;margin-inline:auto}
.grammar-guide .growth-card{margin:18px 0;padding:24px}
.grammar-guide .growth-card h2{margin-top:0}
.grammar-guide .growth-card :is(p,li,td,th){overflow-wrap:anywhere}
.grammar-guide .growth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grammar-guide .growth-grid .growth-card{margin:0}
.grammar-guide .grammar-table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--nx-line,#d8cee9);border-radius:12px}
.grammar-guide table{width:100%;min-width:610px;border-collapse:collapse}
.grammar-guide th,.grammar-guide td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--nx-line,#d8cee9)}
.grammar-guide thead th{background:var(--nx-soft,#ece7f7);color:var(--nx-ink,#191329)}
.grammar-guide tr:last-child :is(th,td){border-bottom:0}
.grammar-guide :is(.grammar-examples,.grammar-errors){padding-left:1.4em}
.grammar-guide :is(.grammar-examples,.grammar-errors) li{margin-bottom:18px}
.grammar-guide :is(.grammar-examples,.grammar-errors) li p{margin:4px 0}
.grammar-guide .grammar-examples li p:first-child{font-weight:700;color:var(--nx-ink,#191329)}
.grammar-guide .grammar-errors li p:first-child{color:var(--nx-muted,#62596f)}
.grammar-guide .grammar-errors li p:nth-child(2){font-weight:700;color:var(--nx-ink,#191329)}
.grammar-guide .grammar-question{padding:16px 0;border-top:1px solid var(--nx-line,#d8cee9)}
.grammar-guide .grammar-question h3{margin:0 0 10px;font:700 16px/1.45 Onest,system-ui,sans-serif;color:var(--nx-ink,#191329)}
.grammar-guide .grammar-choices{display:flex;gap:10px;flex-wrap:wrap}
.grammar-guide .grammar-choices button,.grammar-guide #reset{min-height:44px;padding:9px 14px;border:1px solid var(--nx-accent,#674195);border-radius:11px;background:var(--nx-surface,#fff);color:var(--nx-accent,#674195);font:700 15px/1.3 Onest,system-ui,sans-serif;cursor:pointer}
.grammar-guide .grammar-choices button[aria-pressed="true"]{background:var(--nx-accent,#674195);color:var(--nx-on-accent,#fff)}
.grammar-guide .grammar-choices button:disabled{cursor:default;opacity:.9}
.grammar-guide #reset{background:var(--nx-accent,#674195);color:var(--nx-on-accent,#fff)}
.grammar-guide .grammar-feedback{padding:10px 14px;border-left:3px solid var(--nx-accent,#674195);border-radius:5px;background:var(--nx-soft,#ece7f7);color:var(--nx-ink,#191329)}
.grammar-guide details{margin:10px 0;padding:12px;border:1px solid var(--nx-line,#d8cee9);border-radius:11px}
.grammar-guide summary{cursor:pointer;font-weight:700}
.grammar-guide :is(button,a,summary):focus-visible{outline:3px solid var(--nx-accent,#674195);outline-offset:2px}
@media(max-width:700px){.grammar-guide .growth-grid{grid-template-columns:1fr}.grammar-guide .growth-card{padding:18px}.grammar-guide .grammar-choices{display:grid;grid-template-columns:1fr 1fr}.grammar-guide .grammar-choices button{max-width:100%;overflow-wrap:anywhere}}

/* Exam comparison uses the shared brand tokens. */
.exam-comparison{max-width:1200px;margin-inline:auto;padding:32px 20px 80px}
.exam-comparison .lead{max-width:82ch}
.comparison-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--nx-line);border-radius:22px;background:var(--nx-surface);box-shadow:var(--nx-shadow)}
.comparison-table{border-collapse:collapse;min-width:1100px;width:100%;color:var(--nx-ink)}
.comparison-table th,.comparison-table td{padding:16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--nx-line);line-height:1.5}
.comparison-table thead th{background:var(--nx-soft);font-family:Onest,sans-serif;font-weight:800}
.comparison-table tbody th{color:var(--nx-accent);font-family:Onest,sans-serif;font-weight:800}
.comparison-table td a{color:var(--nx-accent);text-decoration:underline}
.comparison-scroll:focus-visible{outline:3px solid var(--nx-accent);outline-offset:3px}

/* Lecture Lab 1, using the existing purple brand tokens. */
.lecture-notes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:14px;margin:12px 0}
.lecture-notes>label,.lecture-notes>div{display:block;min-width:0;padding:12px;border:1px solid var(--nx-line);border-radius:14px;background:var(--nx-soft);color:var(--nx-ink)}
.lecture-notes textarea,.lecture-lab>section textarea{display:block;width:100%;box-sizing:border-box;min-height:130px;margin-top:8px;padding:12px;border:1px solid var(--nx-line);border-radius:12px;background:var(--nx-surface);color:var(--nx-ink);font:inherit}
.lecture-controls{display:flex;flex-wrap:wrap;align-items:end;gap:12px}.lecture-controls label{display:grid;gap:5px}
.lecture-controls select{padding:10px 12px;min-height:44px;border:1px solid var(--nx-line);border-radius:12px;background:var(--nx-surface);color:var(--nx-ink)}
.lecture-question{display:grid;gap:8px;margin:16px 0;padding:16px;border:1px solid var(--nx-line);border-radius:14px;background:var(--nx-surface);color:var(--nx-ink)}
.lecture-question legend{font-weight:700;padding:0 5px}.lecture-question label{display:flex;align-items:start;gap:9px;padding:8px 10px;border:1px solid var(--nx-line);border-radius:10px;cursor:pointer}
.lecture-question input{margin-top:5px;accent-color:var(--nx-accent)}#transcript p{margin:0 0 16px;line-height:1.7}#transcript mark{background:var(--nx-soft);color:var(--nx-ink);font-weight:700;padding:0 3px;border-bottom:2px solid var(--nx-accent)}
#review[hidden]{display:none!important}.lecture-lab .growth-card{margin:18px 0}.lecture-lab .growth-card :is(p,li,legend,label){overflow-wrap:anywhere}
@media(max-width:700px){.lecture-notes{grid-template-columns:1fr}.lecture-controls>*{flex:1 1 140px}.lecture-controls button{min-height:44px}}

/* Paraphrase Lab: existing purple surfaces and controls. */
.paraphrase-group{margin:18px 0}.paraphrase-item{padding:16px 0;border-top:1px solid var(--nx-line)}.paraphrase-item h3{margin:0 0 8px}.paraphrase-source{font-size:1.06rem;font-weight:600}.paraphrase-item label{display:block;margin:10px 0 6px}.paraphrase-item textarea{width:100%;min-height:90px;box-sizing:border-box;padding:12px;border:1px solid var(--nx-line);border-radius:12px;background:var(--nx-surface);color:var(--nx-ink);font:inherit}.paraphrase-overlap.is-warning{border-left:4px solid var(--nx-accent);padding:8px 12px;background:var(--nx-soft);font-weight:700}.paraphrase-model[hidden]{display:none!important}.paraphrase-model{padding:12px;border-left:4px solid var(--nx-accent);background:var(--nx-soft);border-radius:8px}

/* YDS mini-set surfaces use the shared brand palette. */
.yds-mini .yds-mini-status{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding:12px 18px;border-radius:14px;background:var(--nx-soft);color:var(--nx-ink);margin:20px 0}
.yds-mini-question{border:1px solid var(--nx-line);margin:20px 0;padding:20px;min-width:0}.yds-mini-question legend{font-family:Unbounded,Onest,sans-serif;font-weight:700;padding:0 6px}.yds-mini-stem{white-space:normal;font-size:1.05rem;line-height:1.8}
.yds-mini-options{display:grid;gap:10px}.yds-mini-options label{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--nx-line);border-radius:12px;padding:12px;background:var(--nx-surface);cursor:pointer;line-height:1.5;min-height:44px;box-sizing:border-box}.yds-mini-options label:has(input:checked){border-color:var(--nx-accent);background:var(--nx-soft)}.yds-mini-options input{accent-color:var(--nx-accent);margin-top:5px;flex:none}.yds-mini-letter{color:var(--nx-accent);font-weight:800;flex:none}.yds-mini-actions{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.yds-mini-actions button{min-height:44px;padding:10px 18px;border:1px solid var(--nx-accent);border-radius:12px;color:var(--nx-accent);background:var(--nx-surface);font:700 14px Onest,sans-serif;cursor:pointer}.yds-mini-actions .pr-button{background:var(--nx-accent);color:var(--nx-on-accent)}.yds-mini-actions button:disabled{opacity:.55;cursor:not-allowed}.yds-mini-review{border-top:1px solid var(--nx-line);padding:12px 0}.yds-mini-review summary{cursor:pointer;font-weight:800}.yds-mini-review p{overflow-wrap:anywhere}.yds-mini-review .is-correct{border-left:4px solid var(--nx-good);background:var(--nx-good-bg);padding:8px}
@media(max-width:600px){.yds-mini-question{padding:14px}.yds-mini-options label{padding:10px}.yds-mini-actions button{width:100%}}

/* Teacher Corner, 2026-09-27 */
body.teacher-corner{background:var(--nx-bg,#f5f3fa);color:var(--nx-text,#30233f);font-family:Onest,system-ui,sans-serif;line-height:1.6}
.teacher-corner main{max-width:960px;margin:32px auto;padding:24px;background:var(--nx-surface,#fff);border:1px solid var(--nx-line,#d9cbe7);border-radius:20px}
.teacher-corner h1{font-size:clamp(28px,4vw,42px)}.teacher-corner h2{margin-top:30px}
.teacher-corner a{color:var(--nx-accent,#674195)}.teacher-corner .links{display:flex;gap:16px;flex-wrap:wrap}
.teacher-corner .links a{padding:10px 14px;border:1px solid var(--nx-accent,#674195);border-radius:10px}
.teacher-corner article{break-inside:avoid;border-top:1px solid var(--nx-line,#d9cbe7);padding:14px 0}
.teacher-corner ol li{margin:8px 0}.teacher-corner .source{font-size:.9rem;opacity:.85}
.teacher-corner button{border:0;border-radius:10px;background:var(--nx-accent,#674195);color:var(--nx-on-accent,#fff);padding:12px 18px;font:inherit;cursor:pointer}
.teacher-corner .teacher-answer-space{min-height:160mm;border:1px solid var(--nx-line,#d9cbe7)}
@media(max-width:600px){.teacher-corner main{margin:0;padding:18px;border:0;border-radius:0}}
@media print{@page{size:A4;margin:14mm}body.teacher-corner{background:#fff;color:#000;font-size:10pt}.teacher-corner main{max-width:none;margin:0;padding:0;border:0}.teacher-corner .no-print{display:none!important}.teacher-corner h1{font-size:20pt}.teacher-corner article{break-inside:avoid}.teacher-corner a{color:#000;text-decoration:none}}

/* Three short diagnostic sets, 2026-09-27 */
.diag-page{background:var(--nx-bg,#f5f3fa);color:var(--nx-ink,#30233f)}.diag-main{max-width:1000px;margin:28px auto;padding:22px;background:var(--nx-surface,#fff);border:1px solid var(--nx-line,#d9cbe7);border-radius:20px;font:400 16px/1.6 Onest,system-ui,sans-serif}.diag-main h1{font-family:Unbounded,Onest,sans-serif;font-size:clamp(26px,4vw,42px)}.diag-main a{color:var(--nx-accent,#674195)}.diag-nav{display:flex;gap:12px;flex-wrap:wrap}.diag-nav a{padding:8px 12px;border:1px solid var(--nx-line,#d9cbe7);border-radius:10px}.diag-question{margin:18px 0;padding:18px;border:1px solid var(--nx-line,#d9cbe7);border-radius:14px}.diag-question legend{font-weight:700}.diag-question small{display:block;color:var(--nx-muted,#62596f);margin:8px 0}.diag-passage{white-space:pre-wrap}.diag-option{display:flex;gap:10px;align-items:flex-start;margin:8px 0;padding:10px 12px;border:1px solid var(--nx-line,#d9cbe7);border-radius:10px;cursor:pointer}.diag-option:has(input:checked){border-color:var(--nx-accent,#674195);background:var(--nx-soft,#eee8f8)}.diag-option input{margin-top:5px}.diag-reset{display:block;margin:22px 0;padding:10px 16px;border:1px solid var(--nx-accent,#674195);border-radius:10px;color:var(--nx-accent,#674195);background:transparent;font:inherit;cursor:pointer}#diag-result{padding:20px;border:1px solid var(--nx-accent,#674195);border-radius:16px}#diag-review details{border-top:1px solid var(--nx-line,#d9cbe7);padding:12px 0}.diag-imprint{font-size:.85rem;color:var(--nx-muted,#62596f)}@media(max-width:600px){.diag-main{margin:0;padding:16px;border-radius:0}.diag-question{padding:12px}.diag-option{min-height:44px}}

/* 2026-09-27: keep grammar labels legible instead of breaking English words. */
.grammar-guide .grammar-table-wrap table{min-width:760px}
.grammar-guide .grammar-table-wrap :is(th,td){overflow-wrap:normal;word-break:normal}
.grammar-guide .grammar-table-wrap th:first-child{min-width:180px;width:19%}
.grammar-guide .grammar-table-wrap th[scope="row"]{white-space:nowrap}