@import "https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800&display=swap";body{font-family:Nunito,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}#root{min-height:100vh}:root{--bg:#f8f7f2;--paper:#fff;--ink:#123d38;--muted:#5f746f;--line:#123d381f;--soft:#eef2ea;--green:#4f9f6b;--green-soft:#e5f2e4;--orange:#8cbe7a;--accent:#4f9f6b;--accent-dark:#123d38;--accent-light:#8cbe7a;--accent-soft:#e5f2e4;--shadow:0 18px 50px #123d3814;--radius:24px}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Nunito,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{cursor:pointer}.page{min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:10;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffe0;grid-template-columns:auto 1fr auto;align-items:center;gap:36px;height:74px;padding:0 48px;display:grid;position:sticky;top:0}.brand{color:var(--accent-dark);cursor:pointer;background:0 0;border:0;align-items:center;padding:0;display:inline-flex}.brandLogo{width:auto;height:38px;display:block}.nav{justify-self:start;gap:26px;display:flex}.nav button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px;font-weight:600;text-decoration:none}.search{display:none}.userArea{justify-self:end;align-items:center;gap:12px;display:flex}.userArea button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:600}.avatar{background:var(--ink);color:#fff;border-radius:50%;place-items:center;width:36px;height:36px;font-weight:700;display:grid}.content{width:min(1180px,100% - 56px);margin:0 auto;padding:40px 0 80px}.welcome{align-items:center;gap:18px;margin-bottom:28px;display:flex}.avatar.large{width:60px;height:60px;font-size:21px}.welcome h1{letter-spacing:-.035em;margin:0 0 5px;font-size:30px;font-weight:700;line-height:1.12}.welcome p{color:var(--muted);margin:0;font-size:15px;line-height:1.55}.continueCard{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;grid-template-columns:112px 1fr auto;align-items:center;gap:20px;margin-bottom:34px;padding:18px;display:grid}.continueVisual{background:radial-gradient(circle at 26% 22%, #ffffff8c, transparent 4rem), linear-gradient(135deg, #123d38, var(--green));border-radius:24px;place-items:center;height:112px;display:grid}.continueVisual span{color:#fff;background:#ffffff24;border:1px solid #ffffff3d;border-radius:20px;place-items:center;width:58px;height:58px;font-size:20px;font-weight:700;display:grid}.smallLabel{color:var(--green);margin:0 0 7px;font-size:13px;font-weight:700}.continueBody h2{letter-spacing:-.035em;margin:0 0 6px;font-size:23px;font-weight:700;line-height:1.15}.continueBody>p:not(.smallLabel){color:var(--muted);margin:0;font-size:14px}.continueProgress{max-width:520px;margin-top:15px}.continueProgress>div:first-child{color:var(--muted);justify-content:space-between;margin-bottom:8px;font-size:13px;display:flex}.continueProgress strong{color:var(--ink);font-weight:700}.continueButton{background:var(--accent);color:#fff;border:0;border-radius:999px;padding:13px 24px;font-size:14px;font-weight:700}.continueButton:hover{background:#3e8558}.tabs{border-bottom:1px solid var(--line);gap:30px;margin-bottom:24px;display:flex}.tabs button{color:var(--muted);background:0 0;border:0;padding:0 0 13px;font-size:15px;font-weight:600;position:relative}.tabs button.active{color:var(--ink)}.tabs button.active:after{content:"";background:var(--accent);border-radius:99px 99px 0 0;width:100%;height:3px;position:absolute;bottom:-1px;left:0}.sectionTitle{margin-bottom:20px}.sectionTitle h2{letter-spacing:-.025em;margin:0 0 4px;font-size:23px;font-weight:700}.sectionTitle p{color:var(--muted);margin:0;font-size:14px}.courseGrid{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.courseEmptyState{border:1px dashed var(--line);border-radius:var(--radius);background:var(--soft);color:var(--muted);text-align:center;margin:0;padding:28px;font-size:14px;line-height:1.6}#courses{scroll-margin-top:100px}.courseCard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);transition:all .2s;overflow:hidden}.courseCard:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.courseCard.inactive:hover{box-shadow:none;transform:none}.courseVisual{background:radial-gradient(circle at 25% 22%, #ffffff94, transparent 5rem), linear-gradient(135deg, #123d38, var(--green));place-items:center;height:178px;display:grid}.courseCard:nth-child(2) .courseVisual{background:radial-gradient(circle at 25% 22%, #ffffff94, transparent 5rem), linear-gradient(135deg, #1a4d45, var(--orange))}.courseCard:nth-child(3) .courseVisual{background:radial-gradient(circle at 25% 22%,#ffffff94,#0000 5rem),linear-gradient(135deg,#245c4f,#4f9f6b)}.courseCard:nth-child(4) .courseVisual{background:radial-gradient(circle at 25% 22%,#ffffff94,#0000 5rem),linear-gradient(135deg,#123d38,#4f9f6b)}.courseVisual span{color:#fff;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff21;border:1px solid #ffffff3d;border-radius:26px;place-items:center;width:78px;height:78px;font-size:24px;font-weight:700;display:grid}.courseStatus{color:var(--green);margin-bottom:12px;font-size:13px;font-weight:600}.courseCard.inactive .courseStatus{color:var(--muted)}.courseContent h3{letter-spacing:-.032em;min-height:54px;margin:0 0 10px;font-size:21px;font-weight:700;line-height:1.18}.courseContent p{min-height:72px;color:var(--muted);margin:0 0 18px;font-size:14px;line-height:1.65}.courseMeta{color:var(--muted);justify-content:space-between;gap:12px;margin-bottom:18px;font-size:13px;display:flex}.progressInfo{color:var(--muted);justify-content:space-between;margin-bottom:8px;font-size:13px;display:flex}.progressInfo strong{color:var(--ink);font-weight:700}.progressBar{background:var(--soft);border-radius:999px;height:8px;margin-bottom:20px;overflow:hidden}.progressBar span{background:var(--green);border-radius:inherit;height:100%;display:block}.courseButton{background:var(--accent);color:#fff;border:0;border-radius:999px;width:100%;padding:13px 18px;font-size:14px;font-weight:700}.courseButton:hover:not(:disabled):not(.disabled){background:#3e8558}.courseButton.disabled{background:var(--soft);color:var(--muted);cursor:not-allowed}@media (width<=1050px){.topbar{grid-template-columns:auto 1fr auto;gap:20px}.courseGrid{grid-template-columns:1fr}.continueCard{grid-template-columns:96px 1fr}.continueButton{grid-column:1/-1;width:100%}.continueVisual{height:96px}}@media (width<=720px){.topbar{grid-template-columns:auto 1fr auto;gap:12px;height:auto;padding:14px 18px}.nav{white-space:nowrap;justify-self:center;gap:14px;overflow-x:auto}.tabs{white-space:nowrap;overflow-x:auto}.content{width:min(100% - 28px,1180px);padding-top:32px}.welcome{align-items:flex-start}.welcome h1{font-size:27px}.continueCard{grid-template-columns:1fr}.continueVisual{height:150px}}.content{padding-top:34px}.welcome{margin-bottom:24px}.continueCard{margin-bottom:30px;padding:16px;box-shadow:0 14px 42px #1717170e}.continueVisual{height:104px}.continueBody h2{font-size:22px}.courseVisual{height:160px}.courseContent{padding:20px}.courseContent h3{min-height:50px;font-size:20px}.courseContent p{min-height:68px}.courseCard{box-shadow:none}.courseCard:hover{box-shadow:0 14px 42px #1717170f}.courseCard.inactive{opacity:.86}.courseButton{padding:12px 18px}.cdBackButton{color:var(--muted);background:0 0;border:0;margin-bottom:22px;padding:0;font-size:14px;font-weight:600}.cdBackButton:hover{color:var(--ink)}.cdHero{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;grid-template-columns:1fr 220px;align-items:stretch;gap:28px;margin-bottom:26px;padding:28px;display:grid}.cdHeroText h1{letter-spacing:-.045em;margin:0 0 12px;font-size:38px;font-weight:700;line-height:1.05}.cdHeroText p:not(.smallLabel){max-width:700px;color:var(--muted);margin:0;font-size:15px;line-height:1.65}.cdHeroVisual{background:radial-gradient(circle at 25% 22%, #ffffff94, transparent 5rem), linear-gradient(135deg, #123d38, var(--green));border-radius:26px;place-items:center;min-height:170px;display:grid}.cdHeroVisual span{color:#fff;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff21;border:1px solid #ffffff3d;border-radius:28px;place-items:center;width:82px;height:82px;font-size:26px;font-weight:700;display:grid}.cdLayout{grid-template-columns:1fr 330px;align-items:start;gap:24px;display:grid}.cdSectionTitle{margin-bottom:18px}.cdSectionTitle h2{letter-spacing:-.025em;margin:0 0 4px;font-size:23px;font-weight:700}.cdSectionTitle p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.cdModuleList{gap:16px;display:grid}.cdModuleCard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.cdModuleHeader{grid-template-columns:52px 1fr;gap:16px;margin-bottom:18px;display:grid}.cdModuleNumber{background:var(--accent);color:#fff;border-radius:16px;place-items:center;width:46px;height:46px;font-weight:700;display:grid}.cdModuleHeader h3{letter-spacing:-.025em;margin:0 0 5px;font-size:21px}.cdModuleHeader p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.cdLessonList{gap:10px;display:grid}.cdLessonRow{border:1px solid var(--line);background:var(--soft);border-radius:18px;grid-template-columns:36px 1fr auto;align-items:center;gap:12px;padding:12px;display:grid}.cdLessonRow.next{background:#eef4ed;border-color:#3d664338}.cdLessonStatus{background:var(--soft);width:30px;height:30px;color:var(--muted);border-radius:50%;place-items:center;font-weight:700;display:grid}.cdLessonRow.done .cdLessonStatus{background:var(--green);color:#fff}.cdLessonRow.next .cdLessonStatus{background:var(--ink);color:#fff}.cdLessonInfo strong,.cdLessonInfo span{display:block}.cdLessonInfo strong{font-size:14px;font-weight:700}.cdLessonInfo span{color:var(--muted);margin-top:2px;font-size:13px}.cdLessonBadge{color:var(--muted);font-size:13px;font-weight:600}.cdLessonRow.done .cdLessonBadge,.cdLessonRow.next .cdLessonBadge{color:var(--green)}.cdSide{gap:16px;display:grid;position:sticky;top:98px}.cdSideCard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.cdSideCard h3{letter-spacing:-.03em;margin:0 0 8px;font-size:21px;line-height:1.15}.cdSideCard p:not(.smallLabel){color:var(--muted);margin:0;font-size:14px;line-height:1.65}.cdProgressBig{align-items:end;gap:8px;margin:10px 0 16px;display:flex}.cdProgressBig strong{letter-spacing:-.05em;font-size:40px;line-height:1}.cdProgressBig span{color:var(--muted);padding-bottom:5px;font-size:14px}.cdSideCard.dark{background:var(--ink);color:#fff}.cdSideCard.dark .smallLabel{color:#8cbe7a}.cdSideCard.dark p:not(.smallLabel){color:#ffffffb8}.cdLightButton{width:100%;color:var(--ink);background:#fff;border:0;border-radius:999px;margin-top:18px;padding:13px 18px;font-size:14px;font-weight:700}@media (width<=1050px){.cdHero,.cdLayout{grid-template-columns:1fr}.cdSide{position:static}}@media (width<=720px){.cdHero{padding:22px}.cdHeroText h1{font-size:31px}.cdModuleHeader,.cdLessonRow{grid-template-columns:1fr}.cdLessonBadge{display:none}}.lessonTopActions{justify-content:space-between;gap:16px;margin-bottom:22px;display:flex}.lessonPageLayout{grid-template-columns:1fr 330px;align-items:start;gap:24px;display:grid}.lessonMain{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:30px}.lessonMain h1{letter-spacing:-.045em;margin:0 0 12px;font-size:38px;font-weight:700;line-height:1.05}.lessonLead{max-width:720px;color:var(--muted);margin:0;font-size:15px;line-height:1.65}.lessonSection{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}.lessonSection h2,.lessonSection h3,.lessonNote h2,.lessonNote h3{letter-spacing:-.025em;margin:0 0 14px;font-size:22px;font-weight:700}.phraseList{gap:12px;display:grid}.phraseCard{background:var(--soft);border:1px solid var(--line);border-radius:18px;grid-template-columns:42px 1fr;align-items:start;gap:12px;padding:14px;display:grid}.phraseCard span{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:grid}.phraseCard strong{font-size:17px;line-height:1.35}.phraseCard p{color:var(--muted);grid-column:2;margin:-4px 0 0;font-size:14px}.lessonVocab{border:1px solid var(--line);border-radius:18px;display:grid;overflow:hidden}.lessonVocabRow{border-bottom:1px solid var(--line);background:var(--soft);grid-template-columns:1fr 1.5fr;gap:16px;padding:14px;display:grid}.lessonVocabRow:last-child{border-bottom:0}.lessonVocabRow span{color:var(--muted)}.lessonNote{background:var(--green-soft);border:1px solid #123d382e;border-radius:22px;margin-top:28px;padding:22px}.lessonNote p{color:var(--muted);margin:0;font-size:15px;line-height:1.7}.lessonNote strong{color:var(--ink)}.practicePreview{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:18px}.practicePreview span{color:var(--green);font-size:13px;font-weight:700}.practicePreview h3{margin:10px 0 12px;font-size:20px}.practicePreview p{border:1px solid var(--line);background:#fff;border-radius:16px;margin:0;padding:14px;font-weight:700}.lessonBottomActions{border-top:1px solid var(--line);gap:12px;margin-top:28px;padding-top:24px;display:flex}.lessonSecondaryButton{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:999px;padding:12px 18px;font-size:14px;font-weight:700}.lessonSide{gap:16px;display:grid;position:sticky;top:98px}.cdLessonRow{text-align:left;font:inherit}.cdLessonRow:disabled{cursor:not-allowed}@media (width<=1050px){.lessonPageLayout{grid-template-columns:1fr}.lessonSide{position:static}}@media (width<=720px){.lessonTopActions,.lessonBottomActions{flex-direction:column}.lessonMain{padding:22px}.lessonMain h1{font-size:31px}.phraseCard,.lessonVocabRow{grid-template-columns:1fr}.phraseCard p{grid-column:auto;margin-top:0}}.tutorLayout{grid-template-columns:1fr 330px;align-items:start;gap:24px;display:grid}.tutorMain{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:30px}.tutorHeader{grid-template-columns:1fr 96px;align-items:center;gap:24px;margin-bottom:22px;display:grid}.tutorHeader h1{letter-spacing:-.045em;margin:0 0 12px;font-size:38px;font-weight:700;line-height:1.05}.tutorHeader p:not(.smallLabel){color:var(--muted);max-width:700px;margin:0;font-size:15px;line-height:1.65}.tutorBadge{background:radial-gradient(circle at 25% 22%, #ffffff94, transparent 5rem), linear-gradient(135deg, #123d38, var(--green));color:#fff;border-radius:28px;place-items:center;width:86px;height:86px;font-size:26px;font-weight:800;display:grid}.tutorSuggestions{flex-wrap:wrap;gap:10px;margin-bottom:24px;display:flex}.tutorSuggestions button{border:1px solid var(--line);background:var(--soft);color:var(--ink);border-radius:999px;padding:10px 14px;font-size:13px;font-weight:700}.chatArea{border:1px solid var(--line);background:var(--soft);border-radius:24px;gap:14px;min-height:430px;padding:18px;display:grid}.chatBubble{border-radius:20px;max-width:78%;padding:14px 16px}.chatBubble span{margin-bottom:6px;font-size:12px;font-weight:800;display:block}.chatBubble p{margin:0;font-size:14px;line-height:1.65}.chatBubble.ai{border:1px solid var(--line);background:#fff}.chatBubble.ai span{color:var(--green)}.chatBubble.user{background:var(--ink);color:#fff;justify-self:end}.chatBubble.user span{color:#ffffffb8}.tutorInput{grid-template-columns:1fr auto;gap:12px;margin-top:16px;display:grid}.tutorInput input{border:1px solid var(--line);background:var(--soft);height:52px;color:var(--ink);border-radius:999px;outline:none;padding:0 18px}.tutorInput button{background:var(--ink);color:#fff;border:0;border-radius:999px;padding:0 24px;font-size:14px;font-weight:700}.tutorSide{gap:16px;display:grid;position:sticky;top:98px}.tutorModeList{gap:10px;display:grid}.tutorModeList button{text-align:left;border:1px solid var(--line);background:var(--soft);width:100%;color:var(--ink);border-radius:16px;padding:13px 14px;font-size:14px;font-weight:700}@media (width<=1050px){.tutorLayout{grid-template-columns:1fr}.tutorSide{position:static}}@media (width<=720px){.tutorMain{padding:22px}.tutorHeader{grid-template-columns:1fr}.tutorHeader h1{font-size:31px}.chatBubble{max-width:100%}.tutorInput{grid-template-columns:1fr}.tutorInput button{height:48px}}.practiceStartButton{background:var(--ink);color:#fff;border:0;border-radius:999px;margin-top:16px;padding:12px 18px;font-size:14px;font-weight:700}.practicePageLayout{grid-template-columns:1fr 330px;align-items:start;gap:24px;display:grid}.practiceMain{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:30px}.practiceMain h1{letter-spacing:-.045em;margin:0 0 12px;font-size:38px;font-weight:700;line-height:1.05}.practiceLead{max-width:720px;color:var(--muted);margin:0;font-size:15px;line-height:1.65}.practiceScoreCard{grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px;display:grid}.practiceScoreCard div{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:16px}.practiceScoreCard span,.practiceScoreCard strong{display:block}.practiceScoreCard span{color:var(--muted);margin-bottom:6px;font-size:13px}.practiceScoreCard strong{font-size:16px}.practiceQuestionList{gap:16px;margin-top:28px;display:grid}.practiceQuestionCard{border:1px solid var(--line);background:var(--soft);border-radius:24px;padding:20px}.practiceQuestionHeader{grid-template-columns:52px 1fr;gap:16px;margin-bottom:16px;display:grid}.practiceQuestionNumber{background:var(--ink);color:#fff;border-radius:16px;place-items:center;width:46px;height:46px;font-weight:700;display:grid}.practiceQuestionHeader p{color:var(--green);margin:0 0 5px;font-size:13px;font-weight:700}.practiceQuestionHeader h2{letter-spacing:-.025em;margin:0;font-size:21px;line-height:1.25}.practiceOptions{gap:10px;display:grid}.practiceOption{text-align:left;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:16px;padding:14px;font-size:14px;font-weight:700}.practiceOption.correctPreview{background:#eef4ed;border-color:#3d664347}.practiceBottomActions{border-top:1px solid var(--line);gap:12px;margin-top:28px;padding-top:24px;display:flex}.practiceSide{gap:16px;display:grid;position:sticky;top:98px}@media (width<=1050px){.practicePageLayout{grid-template-columns:1fr}.practiceSide{position:static}}@media (width<=720px){.practiceMain{padding:22px}.practiceMain h1{font-size:31px}.practiceScoreCard,.practiceQuestionHeader{grid-template-columns:1fr}.practiceBottomActions{flex-direction:column}}.resultsLayout{grid-template-columns:1fr 330px;align-items:start;gap:24px;display:grid}.resultsMain{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:30px}.resultsHero{background:radial-gradient(circle at 82% 18%, #ffffff59, transparent 5rem), linear-gradient(135deg, #123d38, var(--green));color:#fff;border-radius:26px;padding:30px;position:relative;overflow:hidden}.resultsHero .smallLabel{color:#b8d7bb}.resultsHero h1{letter-spacing:-.045em;margin:0 0 12px;font-size:40px;font-weight:700;line-height:1.05}.resultsHero p:not(.smallLabel){color:#ffffffc2;max-width:640px;margin:0;font-size:15px;line-height:1.65}.resultsScore{align-items:end;gap:10px;margin-top:28px;display:flex}.resultsScore strong{letter-spacing:-.06em;font-size:54px;line-height:1}.resultsScore span{color:#ffffffc7;padding-bottom:7px;font-size:14px;font-weight:700}.resultsStats{grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px;display:grid}.resultsStats div{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:16px}.resultsStats span,.resultsStats strong{display:block}.resultsStats span{color:var(--muted);margin-bottom:6px;font-size:13px}.resultsStats strong{font-size:16px}.resultsReview{border-top:1px solid var(--line);margin-top:30px;padding-top:26px}.resultsReview h2{letter-spacing:-.025em;margin:0 0 16px;font-size:23px}.resultsReviewList{gap:14px;display:grid}.resultsReviewCard{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:18px}.resultsReviewCard span{color:var(--green);font-size:13px;font-weight:800}.resultsReviewCard h3{letter-spacing:-.02em;margin:8px 0;font-size:19px}.resultsReviewCard p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.resultsBottomActions{border-top:1px solid var(--line);gap:12px;margin-top:28px;padding-top:24px;display:flex}.resultsSide{gap:16px;display:grid;position:sticky;top:98px}@media (width<=1050px){.resultsLayout{grid-template-columns:1fr}.resultsSide{position:static}}@media (width<=720px){.resultsMain,.resultsHero{padding:22px}.resultsHero h1{font-size:31px}.resultsStats{grid-template-columns:1fr}.resultsBottomActions{flex-direction:column}}.practiceOption.selected{background:#eef4ed;border-color:#1717176b;box-shadow:inset 0 0 0 1px #3d66432e}.practiceOption:hover{border-color:#17171742}.courseButton:disabled{cursor:not-allowed}.lessonEmpty{color:var(--muted);background:var(--soft);border:1px solid var(--line);border-radius:18px;margin:0;padding:16px;font-size:14px;line-height:1.6}.cdLessonRow.available{background:var(--soft)}.cdLessonRow.available .cdLessonStatus{background:var(--soft);color:var(--ink)}.cdLessonRow.available .cdLessonBadge{color:var(--muted)}.lessonBottomActions.single{justify-content:flex-end}.lessonBottomActions.single .lessonSecondaryButton{width:100%}.lessonSecondaryButton.disabled{color:var(--muted);background:var(--soft);cursor:not-allowed}.phraseText{min-width:0}.phraseCard p{grid-column:auto;margin:6px 0 0}.audioButton{border:1px solid var(--line);color:var(--ink);white-space:nowrap;background:#fff;border-radius:999px;align-items:center;gap:7px;padding:8px 12px;font-size:12px;font-weight:800;transition:all .18s;display:inline-flex}.audioButton:hover{border-color:#17171747;transform:translateY(-1px)}.audioButton span{background:var(--ink);color:#fff;border-radius:50%;place-items:center;width:20px;height:20px;font-size:9px;line-height:1;display:grid}.audioButton.compact{gap:0;padding:6px}.audioButton.compact span{width:22px;height:22px}@media (width<=720px){.phraseLine{flex-direction:column;align-items:flex-start;gap:10px}.vocabWord{align-items:flex-start}}.audioButtonWrap{flex-direction:column;align-items:flex-start;gap:6px;display:inline-flex}.audioButton.unavailable{color:var(--muted);background:var(--soft);cursor:default}.audioButton.unavailable span{background:var(--muted)}.audioWarning{color:var(--muted);max-width:260px;font-size:12px;line-height:1.4}.audioButton,.audioButtonWrap,.audioWarning{display:none}.audioIconButton{border:1px solid var(--line);width:34px;min-width:34px;height:34px;color:var(--ink);background:#fff;border-radius:50%;place-items:center;font-size:11px;font-weight:800;line-height:1;transition:all .18s;display:grid}.audioIconButton:hover{border-color:#17171747;transform:translateY(-1px)}.phraseLine{justify-content:space-between;align-items:center;gap:16px;display:flex}.phraseText{width:100%;min-width:0}.vocabWord{justify-content:space-between;align-items:center;gap:14px;display:flex}.inlinePractice{border:1px solid var(--line);background:var(--soft);border-radius:24px;padding:18px}.inlinePracticeHeader{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px;display:flex}.inlinePracticeHeader span{color:var(--green);font-size:13px;font-weight:800}.inlinePracticeHeader h3{letter-spacing:-.025em;margin:6px 0 0;font-size:20px}.inlinePracticeHeader strong{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px}.inlinePracticeQuestions{gap:14px;display:grid}.inlinePracticeActions{gap:12px;margin-top:18px;display:flex}.practiceOption.correct{background:#e7f2e5;border-color:#3d664366}.practiceOption.wrong{background:#f7eee7;border-color:#b36a2e66}.inlinePracticeEmpty{color:var(--muted);background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:16px;font-size:14px}@media (width<=720px){.inlinePracticeActions,.inlinePracticeHeader{flex-direction:column}}.inlinePracticeActions{display:none}.lessonNavigationActions{grid-template-columns:1fr 1fr;gap:14px;margin-top:24px;display:grid}.practiceFeedback{margin:12px 0 0;font-size:13px;font-weight:800}.practiceFeedback.correct{color:var(--green)}.practiceFeedback.wrong{color:var(--orange)}@media (width<=720px){.lessonNavigationActions{grid-template-columns:1fr}}.practiceCompleteMessage{color:var(--green);background:#e7f2e5;border:1px solid #3d664338;border-radius:16px;margin-top:16px;padding:12px 14px;font-size:14px;font-weight:800}@media (width<=720px){.lessonNavHint{text-align:left}}.dashboardWelcome{justify-content:space-between;align-items:center;gap:24px;display:flex}.welcomeIntro{align-items:center;gap:18px;display:flex}.resetProgressButton{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:10px 14px;font-size:13px;font-weight:800}.resetProgressButton:hover{color:var(--ink);border-color:#17171740}@media (width<=720px){.dashboardWelcome{flex-direction:column;align-items:flex-start}.welcomeIntro{align-items:flex-start}}.aiTutorLayout.real{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:32px;display:grid}.aiTutorMain{border:1px solid var(--line);background:#fff;border-radius:32px;padding:34px;box-shadow:0 24px 70px #1717170f}.aiTutorHero h1{letter-spacing:-.06em;margin:6px 0 12px;font-size:clamp(38px,5vw,64px);line-height:.95}.aiTutorHero p{color:var(--muted);max-width:620px}.aiTutorContext{border:1px solid var(--line);background:var(--soft);border-radius:20px;gap:4px;margin:24px 0;padding:16px;display:grid}.aiTutorContext span,.aiTutorContext p{color:var(--muted);margin:0}.aiTutorContext strong{font-size:18px}.aiChatBox{gap:12px;margin-bottom:18px;display:grid}.aiMessage{white-space:pre-wrap;border-radius:20px;max-width:82%;padding:14px 16px;line-height:1.6}.aiMessage p{margin:0}.aiMessage.assistant{background:var(--soft);border:1px solid var(--line);color:var(--ink);justify-self:start}.aiMessage.user{background:var(--ink);color:#fff;justify-self:end}.aiStarterQuestions{flex-wrap:wrap;gap:10px;margin:18px 0;display:flex}.aiStarterQuestions button{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:10px 13px;font-size:13px;font-weight:800}.aiStarterQuestions button:hover{color:var(--ink);border-color:#17171740}.aiTutorInputBar{grid-template-columns:minmax(0,1fr) 130px;gap:12px;display:grid}.aiTutorInputBar input{border:1px solid var(--line);width:100%;font:inherit;background:var(--soft);border-radius:999px;outline:none;padding:0 18px}.aiTutorError{color:var(--orange);background:#f7eee7;border:1px solid #b36a2e3d;border-radius:16px;margin-bottom:14px;padding:12px 14px;font-size:14px;font-weight:800}.aiTutorSide{gap:18px;display:grid;position:sticky;top:110px}@media (width<=1050px){.aiTutorLayout.real{grid-template-columns:1fr}.aiTutorSide{position:static}}@media (width<=720px){.aiTutorMain{padding:24px}.aiMessage{max-width:100%}.aiTutorInputBar{grid-template-columns:1fr}}.aiChatGroup{gap:10px;display:grid}.aiStarterQuestions.inChat{max-width:82%;margin:-2px 0 6px;padding-left:4px}@media (width<=720px){.aiStarterQuestions.inChat{max-width:100%}}.skillPracticeBox{border:1px solid var(--line);background:var(--soft);border-radius:24px;padding:18px}.writingQuestionList{gap:14px;display:grid}.writingQuestionCard{border:1px solid var(--line);background:#fff;border-radius:20px;padding:18px}.writingQuestionCard textarea{border:1px solid var(--line);background:var(--soft);width:100%;font:inherit;resize:vertical;border-radius:18px;outline:none;margin-top:14px;padding:13px 16px}.writingQuestionCard textarea:focus{border-color:#3d664361;box-shadow:0 0 0 4px #3d664314}.writingActions{margin-top:12px}.aiWritingFeedback{border-radius:16px;margin-top:14px;padding:13px 14px;font-size:14px;line-height:1.5}.aiWritingFeedback p{margin:6px 0 0}.aiWritingFeedback.correct{color:var(--green);background:#e7f2e5;border:1px solid #3d664338}.aiWritingFeedback.wrong{color:var(--orange);background:#f7eee7;border:1px solid #b36a2e3d}.aiWritingHint{font-weight:800}.practiceQuestionHeader .audioIconButton{margin-left:auto}.lessonNavHint{color:var(--muted);text-align:right;margin:12px 0 0;font-size:13px}@media (width<=720px){.lessonNavHint{text-align:left}.practiceQuestionHeader .audioIconButton{margin-left:0}}.writingPromptHint{color:var(--muted);margin-top:8px;font-size:13px;font-weight:700;display:inline-block}.moduleExamCard{border:1px solid var(--line);background:var(--soft);text-align:left;border-radius:20px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:14px;width:100%;margin-top:14px;padding:16px;transition:all .18s;display:grid}.moduleExamCard:not(:disabled):hover{border-color:#17171740;transform:translateY(-1px)}.moduleExamCard.locked{opacity:.55;cursor:not-allowed}.moduleExamCard.ready{background:#fff}.moduleExamCard.passed{background:#e7f2e5;border-color:#3d664338}.moduleExamIcon{background:var(--ink);color:#fff;border-radius:14px;place-items:center;width:42px;height:42px;font-weight:900;display:grid}.moduleExamCard.passed .moduleExamIcon{background:var(--green)}.moduleExamCard strong{color:var(--ink);display:block}.moduleExamCard span,.moduleExamCard p{color:var(--muted);margin:4px 0 0;font-size:13px;font-weight:800}.moduleExamLayout{grid-template-columns:minmax(0,1fr) 330px;align-items:start;gap:32px;display:grid}.moduleExamMain{border:1px solid var(--line);background:#fff;border-radius:32px;padding:34px;box-shadow:0 24px 70px #1717170f}.moduleExamHero h1{letter-spacing:-.06em;margin:6px 0 12px;font-size:clamp(38px,5vw,62px);line-height:.95}.moduleExamHero p{color:var(--muted);max-width:680px}.moduleExamMeta{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.moduleExamMeta span{border:1px solid var(--line);background:var(--soft);color:var(--muted);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800}.moduleExamTasks{gap:16px;margin-top:28px;display:grid}.moduleExamTask{border:1px solid var(--line);background:var(--soft);border-radius:22px;padding:18px}.moduleExamTask textarea{border:1px solid var(--line);width:100%;font:inherit;resize:vertical;background:#fff;border-radius:18px;outline:none;margin-top:14px;padding:13px 16px}.moduleExamTask textarea:focus{border-color:#3d664361;box-shadow:0 0 0 4px #3d664314}.moduleExamActions{gap:12px;margin-top:24px;display:flex}.moduleExamSide{gap:18px;display:grid;position:sticky;top:110px}.moduleExamScore{border-top:1px solid #ffffff2e;margin-top:16px;padding-top:16px}.moduleExamScore strong{letter-spacing:-.04em;font-size:34px;display:block}.moduleExamScore span{color:#ffffffb3}@media (width<=1050px){.moduleExamLayout{grid-template-columns:1fr}.moduleExamSide{position:static}}@media (width<=720px){.moduleExamMain{padding:24px}.moduleExamCard{grid-template-columns:42px minmax(0,1fr)}.moduleExamCard p{grid-column:2}.moduleExamActions{flex-direction:column}.courseTopActions{flex-direction:column;align-items:stretch}}.courseDetailLayout{grid-template-columns:minmax(0,1fr) 340px!important;align-items:start!important;gap:32px!important;display:grid!important}.courseDetailMain{min-width:0!important}.courseDetailSide{gap:18px!important;display:grid!important;position:sticky!important;top:110px!important}.cdHero{border:1px solid var(--line)!important;background:#fff!important;border-radius:28px!important;grid-template-columns:96px minmax(0,1fr)!important;align-items:center!important;gap:28px!important;min-height:auto!important;padding:34px!important;display:grid!important;box-shadow:0 24px 60px #1717170f!important}.cdHero .courseIcon.large{background:var(--soft)!important;width:96px!important;min-width:96px!important;height:96px!important;color:var(--ink)!important;border-radius:28px!important;place-items:center!important;font-size:42px!important;font-weight:900!important;display:grid!important}.cdHeroInfo{max-width:720px!important}.cdHeroInfo h1{letter-spacing:-.06em!important;margin:6px 0 14px!important;font-size:clamp(36px,4vw,56px)!important;line-height:.98!important}.cdHeroInfo p{max-width:620px!important}.cdMeta{flex-wrap:wrap!important;gap:10px!important;margin-top:22px!important;display:flex!important}.cdMeta span{border:1px solid var(--line)!important;background:var(--soft)!important;color:var(--muted)!important;border-radius:999px!important;align-items:center!important;padding:8px 12px!important;font-size:13px!important;font-weight:800!important;display:inline-flex!important}.cdProgressSection{border:1px solid var(--line)!important;background:#fff!important;border-radius:24px!important;margin-top:28px!important;padding:24px!important}.cdProgressSection h2{margin:6px 0 16px!important}.courseDetailSide .cdSideCard{width:auto!important}.courseDetailSide .cdSideCard.dark{box-shadow:0 24px 60px #17171724!important}.courseTopActions{justify-content:space-between!important;align-items:center!important;gap:16px!important;margin-bottom:22px!important;display:flex!important}.courseTopActions .resetProgressButton{white-space:nowrap!important}@media (width<=1050px){.courseDetailLayout{grid-template-columns:1fr!important}.courseDetailSide{position:static!important}}@media (width<=720px){.courseTopActions{flex-direction:column!important;align-items:stretch!important}.cdHero{grid-template-columns:1fr!important;padding:24px!important}.cdHeroInfo h1{font-size:38px!important}}.courseTopActions{margin-bottom:18px!important}.courseDetailLayout{grid-template-columns:minmax(0,1fr) 320px!important;gap:28px!important}.cdHero{border-radius:30px!important;grid-template-columns:82px minmax(0,1fr)!important;align-items:center!important;gap:26px!important;min-height:260px!important;padding:28px 32px!important}.cdHero .courseIcon.large{border-radius:24px!important;width:82px!important;min-width:82px!important;height:82px!important;font-size:36px!important}.cdHeroInfo h1{letter-spacing:-.065em!important;max-width:720px!important;margin:4px 0 14px!important;font-size:clamp(40px,4vw,58px)!important;line-height:.96!important}.cdHeroInfo>p{max-width:660px!important;font-size:16px!important;line-height:1.45!important}.cdMeta{gap:10px!important;margin-top:20px!important}.cdMeta span{padding:9px 13px!important;font-size:13px!important}.cdProgressSection{margin-top:24px!important;padding:22px 26px!important}.courseDetailSide{gap:16px!important}.courseDetailSide .cdSideCard{border-radius:26px!important;padding:24px!important}.courseDetailSide .cdSideCard h3{font-size:23px!important;line-height:1.05!important}.courseDetailSide .cdSideCard p{font-size:15px!important}@media (width<=1050px){.courseDetailLayout{grid-template-columns:1fr!important}}@media (width<=720px){.cdHero{grid-template-columns:1fr!important;min-height:auto!important;padding:24px!important}.cdHero .courseIcon.large{width:72px!important;min-width:72px!important;height:72px!important;font-size:32px!important}.cdHeroInfo h1{font-size:38px!important}}.courseSimpleTopActions{justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.courseSimpleLayout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:32px;display:grid}.courseSimpleMain{border:1px solid var(--line);background:#fff;border-radius:32px;min-width:0;padding:34px;box-shadow:0 24px 70px #1717170f}.courseSimpleIntro{border-bottom:1px solid var(--line);grid-template-columns:72px minmax(0,1fr);align-items:start;gap:22px;padding-bottom:28px;display:grid}.courseSimpleIcon{background:var(--soft);width:72px;height:72px;color:var(--ink);border-radius:22px;place-items:center;font-size:30px;font-weight:900;display:grid}.courseSimpleIntro p{max-width:700px;color:var(--muted)}.courseSimpleBadges{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.courseSimpleBadges span{border:1px solid var(--line);background:var(--soft);color:var(--muted);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800}.courseSimpleProgress{border-bottom:1px solid var(--line);gap:14px;padding:26px 0;display:grid}.courseSimpleProgress h2{letter-spacing:-.04em;margin:6px 0 0;font-size:30px}.courseSimpleLessons{padding-top:26px}.courseSimpleLessons .sectionTitle{margin-bottom:20px}.courseSimpleModules{gap:16px;display:grid}.courseSimpleSide{gap:18px;display:grid;position:sticky;top:110px}.courseSimpleSide .cdSideCard{width:auto}.courseSimpleSide .cdSideCard.dark{box-shadow:0 24px 60px #17171724}@media (width<=1050px){.courseSimpleLayout{grid-template-columns:1fr}.courseSimpleSide{position:static}}@media (width<=720px){.courseSimpleTopActions{flex-direction:column;align-items:stretch}.courseSimpleMain{padding:24px}.courseSimpleIntro{grid-template-columns:1fr}.courseSimpleIntro h1{font-size:38px}}.courseSimpleIntro{grid-template-columns:72px minmax(0,1fr)!important;align-items:center!important}.courseSimpleIntro h1{letter-spacing:-.045em!important;max-width:620px!important;margin:4px 0 12px!important;font-size:clamp(32px,3vw,42px)!important;line-height:1.02!important}.courseSimpleIntro p{max-width:640px!important;font-size:15px!important;line-height:1.5!important}.courseSimpleIcon{align-self:start!important;margin-top:8px!important}@media (width<=720px){.courseSimpleIntro h1{font-size:32px!important}.courseSimpleIcon{margin-top:0!important}}.courseDashTopActions{justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.courseDashLayout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:32px;display:grid}.courseDashMain{gap:22px;min-width:0;display:grid}.courseIntroCard{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;grid-template-columns:112px minmax(0,1fr);align-items:center;gap:22px;padding:22px;display:grid}.courseIntroVisual{background:radial-gradient(circle at 26% 22%, #ffffff8c, transparent 4rem), linear-gradient(135deg, #123d38, var(--green));border-radius:24px;place-items:center;height:112px;display:grid}.courseIntroVisual span{color:#fff;background:#ffffff24;border:1px solid #ffffff3d;border-radius:20px;place-items:center;width:58px;height:58px;font-size:24px;font-weight:900;display:grid}.courseIntroBody h1{letter-spacing:-.035em;margin:2px 0 8px;font-size:28px;line-height:1.08}.courseIntroBody p:not(.smallLabel){max-width:780px;color:var(--muted);margin:0;font-size:15px;line-height:1.55}.courseIntroMeta{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.courseIntroMeta span{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:9px 13px;font-size:13px;font-weight:800}.courseProgressCard{background:var(--paper);border:1px solid var(--line);border-radius:24px;gap:14px;padding:24px;display:grid}.courseProgressCard h2{letter-spacing:-.04em;margin:4px 0 0;font-size:28px}.courseLessonsBlock{gap:18px;display:grid}.courseLessonsBlock .sectionTitle{margin:0}.courseModuleStack{gap:16px;display:grid}.courseDashSide{gap:18px;display:grid;position:sticky;top:110px}.courseDashSide .cdSideCard{width:auto}.courseDashSide .cdSideCard.dark{box-shadow:0 24px 60px #17171724}@media (width<=1050px){.courseDashLayout{grid-template-columns:1fr}.courseDashSide{position:static}}@media (width<=720px){.courseDashTopActions{flex-direction:column;align-items:stretch}.courseIntroCard{grid-template-columns:1fr}.courseIntroVisual{height:140px}.courseIntroBody h1{font-size:24px}}.resetModalOverlay{z-index:2000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f0f0f6b;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.resetModal{border:1px solid var(--line);background:var(--paper);border-radius:30px;width:min(480px,100%);padding:30px;box-shadow:0 34px 90px #17171738}.resetModal h2{letter-spacing:-.045em;margin:6px 0 10px;font-size:30px}.resetModal p:not(.smallLabel){color:var(--muted);line-height:1.55}.resetModalActions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.resetDangerButton{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:999px;padding:13px 18px;font-weight:900}.courseDashSide{gap:16px!important}.courseDashSide .cdSideCard{position:relative;overflow:hidden;border:1px solid var(--line)!important;background:var(--paper)!important;width:auto!important;color:var(--ink)!important;box-shadow:var(--shadow)!important;border-radius:28px!important;padding:24px!important}.courseDashSide .cdSideCard.dark{background:radial-gradient(circle at top right, #123d3829, transparent 140px), var(--paper)!important;color:var(--ink)!important;border-color:#123d3838!important}.courseDashSide .cdSideCard h3,.courseDashSide .cdSideCard.dark h3{color:var(--ink)!important;letter-spacing:-.035em!important;margin:8px 0 10px!important;font-size:23px!important;line-height:1.08!important}.courseDashSide .cdSideCard p,.courseDashSide .cdSideCard.dark p{color:var(--muted)!important;font-size:14px!important;line-height:1.55!important}.courseDashSide .cdLightButton,.courseDashSide .courseButton{justify-content:center!important;width:100%!important;margin-top:14px!important}.courseDashSide .cdLightButton{background:var(--accent)!important;color:#fff!important;border:0!important;border-radius:999px!important;padding:13px 16px!important;font-weight:900!important}.writingAnswerInput{border:1px solid var(--line);resize:vertical;width:100%;font:inherit;color:var(--ink);background:var(--soft);border-radius:20px;outline:none;padding:14px 16px}.writingAnswerInput:focus{border-color:#123d386b;box-shadow:0 0 0 4px #123d3814}.writingActions{justify-content:flex-end;margin-top:12px;display:flex}.writingFeedback{border-radius:18px;margin-top:14px;padding:14px 16px}.writingFeedback p{margin:6px 0 0}.writingFeedback.correct{background:#123d381a;border:1px solid #123d3838}.writingFeedback.wrong{background:#b4483a14;border:1px solid #b4483a29}@media (width<=720px){.resetModalActions{flex-direction:column}.resetModalActions button{width:100%}}.resetModalActions{grid-template-columns:1fr 1fr!important;gap:12px!important;margin-top:24px!important;display:grid!important}.resetModalActions button{white-space:nowrap!important;border-radius:999px!important;justify-content:center!important;align-items:center!important;width:100%!important;height:58px!important;font-size:15px!important;font-weight:900!important;line-height:1!important;display:inline-flex!important}.resetModalActions .lessonSecondaryButton{border:1px solid var(--line)!important;color:var(--ink)!important;background:#fff!important;padding:0 18px!important}.resetDangerButton{background:var(--ink)!important;color:#fff!important;border:0!important;padding:0 18px!important}@media (width<=520px){.resetModalActions{grid-template-columns:1fr!important}}.moduleExamHero h1,.examHero h1,.moduleExamMain h1,.examMain h1,.moduleExamPage h1,.examPage h1{letter-spacing:-.045em!important;max-width:760px!important;margin:10px 0 18px!important;font-size:clamp(34px,3.2vw,46px)!important;line-height:1.02!important}.moduleExamHero,.examHero{padding:34px 38px!important}.moduleExamHero>p,.examHero>p,.moduleExamMain>p,.examMain>p{max-width:720px!important;font-size:16px!important;line-height:1.55!important}@media (width<=720px){.moduleExamHero h1,.examHero h1,.moduleExamMain h1,.examMain h1,.moduleExamPage h1,.examPage h1{font-size:32px!important}}.examIntroCard{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;grid-template-columns:112px minmax(0,1fr);align-items:center;gap:22px;padding:22px;display:grid}.examIntroCard h1{letter-spacing:-.035em!important;max-width:780px!important;margin:2px 0 8px!important;font-size:28px!important;line-height:1.08!important}.examIntroCard p:not(.smallLabel){max-width:780px;color:var(--muted);margin:0;font-size:15px;line-height:1.55}.examVisual{background:radial-gradient(circle at 26% 22%, #ffffff8c, transparent 4rem), linear-gradient(135deg, #123d38, var(--green))!important}.examQuestionsCard{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:28px}@media (width<=720px){.examIntroCard{grid-template-columns:1fr}.examIntroCard h1{font-size:24px!important}}.examReviewBanner{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);border-radius:26px;justify-content:space-between;align-items:center;gap:18px;padding:24px;display:flex}.examReviewBanner h2{letter-spacing:-.045em;margin:4px 0 8px;font-size:34px}.examReviewBanner p:not(.smallLabel){color:var(--muted);margin:0}.examReviewBanner.passed{background:radial-gradient(circle at top right, #123d381f, transparent 180px), var(--paper);border-color:#123d383d}.examReviewBanner.failed{background:radial-gradient(circle at top right, #b4483a14, transparent 180px), var(--paper);border-color:#b4483a33}.examAnswerReview{border-radius:18px;margin-top:14px;padding:12px 14px}.examAnswerReview p{color:var(--muted);margin:5px 0 0}.examAnswerReview span{color:var(--ink);font-weight:900}.examAnswerReview.correct{background:#123d381a;border:1px solid #123d3833}.examAnswerReview.wrong{background:#b4483a14;border:1px solid #b4483a29}@media (width<=720px){.examReviewBanner{flex-direction:column;align-items:stretch}.examReviewBanner .courseButton{width:100%}}.examSubmitFooter{border:1px solid var(--line);background:radial-gradient(circle at 100% 0,#123d3814,#0000 180px),#fbfbf8;border-radius:24px;justify-content:space-between;align-items:center;gap:18px;margin-top:22px;padding:22px;display:flex}.examSubmitFooter h3{letter-spacing:-.04em;margin:4px 0 6px;font-size:26px}.examSubmitFooter p:not(.smallLabel){color:var(--muted);margin:0}.examSubmitFooter .courseButton{justify-content:center;min-width:190px}@media (width<=720px){.examSubmitFooter{flex-direction:column;align-items:stretch}.examSubmitFooter .courseButton{width:100%}}.examSubmitFooter{background:0 0!important;border:0!important;border-radius:0!important;justify-content:flex-end!important;margin-top:22px!important;padding:0!important;display:flex!important}.examSubmitFooter .courseButton{justify-content:center!important;min-width:220px!important;height:54px!important}@media (width<=720px){.examSubmitFooter .courseButton{width:100%!important}}.examReviewBanner.passed{align-items:flex-start!important}.examReviewBanner.passed .courseButton{display:none!important}.courseCompletionBanner{background:radial-gradient(circle at top right, #123d3824, transparent 180px), var(--paper);box-shadow:var(--shadow);border:1px solid #123d383d;border-radius:28px;padding:26px}.courseCompletionBanner h2{letter-spacing:-.045em;margin:5px 0 8px;font-size:34px;line-height:1.05}.courseCompletionBanner p:not(.smallLabel){max-width:720px;color:var(--muted);margin:0;line-height:1.55}.examReviewActions{justify-content:flex-end;align-items:center;display:flex}.examReviewActions .courseButton{justify-content:center;min-width:170px}.examReviewCard{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);border-radius:28px;padding:26px}.examSectionGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.examSectionStat{border:1px solid var(--line);background:var(--soft);border-radius:22px;padding:18px}.examSectionStat p{color:var(--muted);margin:0 0 8px;font-size:13px;font-weight:900}.examSectionStat h3{letter-spacing:-.045em;margin:0 0 6px;font-size:30px}.examSectionStat span{color:var(--muted);font-size:13px;font-weight:800}.wrongAnswerList{gap:14px;display:grid}.wrongAnswerCard{background:#b4483a0d;border:1px solid #b4483a29;border-radius:22px;padding:18px}.wrongAnswerTop{align-items:center;gap:10px;margin-bottom:10px;display:flex}.wrongAnswerTop span{background:var(--ink);color:#fff;border-radius:999px;place-items:center;width:30px;height:30px;font-size:12px;font-weight:900;display:grid}.wrongAnswerTop p{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin:0;font-size:12px;font-weight:900}.wrongAnswerCard h3{letter-spacing:-.025em;margin:0 0 12px;font-size:18px;line-height:1.25}.wrongAnswerDetails{gap:6px;display:grid}.wrongAnswerDetails p{color:var(--muted);margin:0}.wrongAnswerDetails strong{color:var(--ink)}@media (width<=720px){.examReviewBanner{flex-direction:column;align-items:stretch!important}.examReviewActions,.examReviewActions .courseButton{width:100%}.examSectionGrid{grid-template-columns:1fr}}.lessonProgressCard{border:1px solid var(--line);background:radial-gradient(circle at top right, #123d381a, transparent 180px), var(--paper);box-shadow:var(--shadow);border-radius:28px;gap:18px;margin:24px 0 30px;padding:24px;display:grid}.lessonProgressCard h2{letter-spacing:-.04em;margin:4px 0 0;font-size:28px;line-height:1.05}.lessonStepList{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.lessonStep{border:1px solid var(--line);background:var(--soft);text-align:left;cursor:pointer;border-radius:22px;align-items:center;gap:12px;width:100%;padding:15px;transition:border-color .15s,transform .15s;display:flex}.lessonStep:hover{border-color:#123d3859;transform:translateY(-1px)}.lessonStep span{border:1px solid var(--line);width:34px;height:34px;color:var(--muted);background:#fff;border-radius:999px;flex:none;place-items:center;font-size:13px;font-weight:900;display:grid}.lessonStep strong{color:var(--ink);font-size:14px;line-height:1.1;display:block}.lessonStep p{color:var(--muted);margin:4px 0 0;font-size:12px;font-weight:800}.lessonStep.done{background:#123d3814;border-color:#123d383d}.lessonStep.done span{background:var(--green);border-color:var(--green);color:#fff}@media (width<=860px){.lessonStepList{grid-template-columns:1fr}}.lessonJumpNav{z-index:20;border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#faf9f4e0;border-radius:22px;flex-wrap:wrap;gap:8px;margin:0 0 26px;padding:10px;display:flex;position:sticky;top:88px;box-shadow:0 16px 40px #1717170f}.lessonJumpNav a{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:9px 12px;font-size:13px;font-weight:900;text-decoration:none;transition:all .18s}.lessonJumpNav a:hover{color:var(--ink);background:#123d3814;border-color:#123d3847}@media (width<=720px){.lessonJumpNav{position:static}}.lessonJumpNav{z-index:auto!important;box-shadow:none!important;background:var(--paper)!important;margin:0 0 32px!important;position:static!important;top:auto!important}.lessonRightRail{align-self:start;gap:18px;display:grid;position:sticky;top:110px}.lessonRightRail .lessonJumpNav{border:1px solid var(--line)!important;background:var(--paper)!important;box-shadow:var(--shadow)!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;border-radius:26px!important;gap:8px!important;margin:0!important;padding:18px!important;display:grid!important;position:static!important}.lessonRightRail .lessonJumpNav a{background:var(--soft);border-radius:16px;justify-content:flex-start;width:100%;padding:12px 14px}.lessonRightRail .lessonJumpNav a:hover{background:#123d3814}@media (width<=1050px){.lessonRightRail{position:static}.lessonRightRail .lessonJumpNav{flex-wrap:wrap;display:flex!important}.lessonSideNav p{width:100%}.lessonRightRail .lessonJumpNav a{width:auto}}.lessonRightRail{align-self:start!important;gap:16px!important;max-height:calc(100vh - 130px)!important;padding-bottom:12px!important;display:grid!important;position:sticky!important;top:110px!important;overflow-y:auto!important}.lessonSideCard,.lessonSideNav{border:1px solid var(--line)!important;background:var(--paper)!important;box-shadow:var(--shadow)!important;border-radius:26px!important;padding:22px!important}.lessonSideCard h3{letter-spacing:-.035em!important;margin:6px 0 8px!important;font-size:24px!important;line-height:1.08!important}.lessonSideCard h3 span{color:var(--muted)!important;letter-spacing:-.01em!important;font-size:15px!important;font-weight:700!important}.lessonSideCard p:not(.smallLabel){color:var(--muted)!important;margin:0!important}.lessonSideNav{gap:8px!important;margin:0!important;display:grid!important}.lessonSideNav p{color:var(--green)!important;margin:0 0 4px!important;font-size:13px!important;font-weight:900!important}.lessonSideNav a{border:1px solid var(--line)!important;background:var(--soft)!important;width:100%!important;color:var(--muted)!important;border-radius:16px!important;align-items:center!important;padding:12px 14px!important;font-size:14px!important;font-weight:900!important;text-decoration:none!important;transition:all .18s!important;display:flex!important}.lessonSideNav a:hover{color:var(--ink)!important;background:#123d3814!important;border-color:#123d3847!important}.floatingTutorButton{z-index:1500!important;background:var(--accent)!important;color:#fff!important;text-align:left!important;cursor:pointer!important;border:0!important;border-radius:999px!important;gap:2px!important;min-width:150px!important;padding:14px 20px!important;font-weight:900!important;display:grid!important;position:fixed!important;bottom:28px!important;right:28px!important;box-shadow:0 24px 70px #123d3847!important}.floatingTutorButton span{color:#8cbe7a!important;font-size:12px!important;font-weight:900!important}.lessonSection,.lessonNote{scroll-margin-top:120px!important}@media (width<=1050px){.lessonRightRail{max-height:none!important;position:static!important;overflow:visible!important}.lessonSideNav{flex-wrap:wrap!important;display:flex!important}.lessonSideNav p{width:100%!important}.lessonSideNav a{width:auto!important}}@media (width<=720px){.floatingTutorButton{min-width:auto!important;bottom:18px!important;right:18px!important}}.lessonRightRail{max-height:none!important;overflow:visible!important}.lessonSideNav,.lessonJumpNav{display:none!important}.floatingTutorButton{text-align:left!important;background:radial-gradient(circle at top right, #123d3852, transparent 90px), var(--ink)!important;border-radius:999px!important;align-items:center!important;gap:10px!important;width:auto!important;min-width:0!important;padding:10px 14px 10px 10px!important;display:inline-flex!important;bottom:28px!important;right:28px!important}.floatingTutorIcon{color:#fff!important;letter-spacing:-.03em!important;background:#ffffff1f!important;border:1px solid #ffffff2e!important;border-radius:999px!important;place-items:center!important;width:42px!important;height:42px!important;font-size:13px!important;font-weight:900!important;display:grid!important}.floatingTutorText{gap:1px!important;display:grid!important}.floatingTutorText strong{color:#fff!important;font-size:14px!important;line-height:1.05!important}.floatingTutorText small{color:#8cbe7a!important;font-size:12px!important;font-weight:800!important}.floatingTutorButton:focus-visible{outline-offset:4px!important;outline:4px solid #123d383d!important}@media (width<=720px){.floatingTutorButton{padding:10px!important;bottom:18px!important;right:18px!important}.floatingTutorText{display:none!important}}.floatingTutorButton{z-index:1500!important;background:var(--accent)!important;color:#fff!important;text-align:left!important;cursor:pointer!important;border:0!important;border-radius:999px!important;gap:2px!important;width:auto!important;min-width:150px!important;padding:14px 20px!important;font-weight:900!important;display:grid!important;position:fixed!important;bottom:28px!important;right:28px!important;box-shadow:0 24px 70px #123d3847!important}.floatingTutorButton>span{color:#8cbe7a!important;font-size:12px!important;font-weight:900!important}.floatingTutorIcon,.floatingTutorText{display:none!important}@media (width<=720px){.floatingTutorButton{min-width:auto!important;bottom:18px!important;right:18px!important}}.floatingTutorButton{z-index:1500!important;background:var(--accent)!important;color:#fff!important;text-align:left!important;cursor:pointer!important;border:0!important;border-radius:26px!important;justify-content:start!important;align-items:center!important;gap:3px!important;width:auto!important;min-width:128px!important;max-width:150px!important;padding:13px 17px!important;font-weight:900!important;line-height:1.05!important;display:grid!important;position:fixed!important;bottom:28px!important;right:28px!important;box-shadow:0 18px 46px #123d3847!important}.floatingTutorButton>span{color:#8cbe7a!important;font-size:11px!important;font-weight:900!important;line-height:1!important;display:block!important}.floatingTutorButton{font-size:18px!important}.floatingTutorButton:hover{transform:translateY(-2px)!important}.floatingTutorIcon,.floatingTutorText,.floatingTutorText strong,.floatingTutorText small{display:none!important}@media (width<=720px){.floatingTutorButton{min-width:112px!important;max-width:130px!important;padding:12px 15px!important;font-size:16px!important;bottom:18px!important;right:18px!important}}.lessonFlowStage{margin-top:34px;padding-top:8px;scroll-margin-top:110px}.lessonFlowStageHeader{margin-bottom:18px}.lessonFlowStageHeader h2{letter-spacing:-.035em;margin:4px 0 8px;font-size:26px;font-weight:800}.lessonFlowStageHeader>p:not(.smallLabel){color:var(--muted);max-width:560px;margin:0;font-size:14px;line-height:1.55}.lessonFlowStage .lessonSection{margin-top:18px}.lessonFlowStage .lessonSection:first-of-type{border-top:0;margin-top:0;padding-top:0}.lessonFlowStage .skillPracticeBox,.lessonFlowStage .inlinePractice{margin-top:8px}.page{padding-bottom:96px}.lessonStickyNav{z-index:1400;border:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffeb;border-radius:999px;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;width:min(920px,100% - 32px);padding:12px 14px;display:grid;position:fixed;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 18px 50px #0f172a1f}.lessonStickyNav .courseButton,.lessonStickyNav .lessonSecondaryButton{justify-content:center;width:auto;min-width:132px;margin:0}.lessonStickyNavStatus{color:var(--muted);text-align:center;font-size:13px;font-weight:700;line-height:1.35}.lessonStickyNavStatus span{display:block}.floatingTutorButton{bottom:96px!important}@media (width<=860px){.lessonStickyNav{border-radius:24px;grid-template-columns:1fr 1fr;width:min(100% - 24px,920px);bottom:14px}.lessonStickyNavStatus{text-align:left;order:-1;grid-column:1/-1}.lessonStickyNav .courseButton,.lessonStickyNav .lessonSecondaryButton{width:100%;min-width:0}.floatingTutorButton{bottom:118px!important}}body{background:radial-gradient(circle at top left, #123d3812, transparent 32rem), radial-gradient(circle at top right, #4f9f6b0d, transparent 28rem), var(--bg)}.topbar{background:#ffffffd1}.continueCard,.courseCard,.lessonMain,.courseIntroCard,.courseProgressCard,.cdSideCard,.lessonSideCard{box-shadow:none}.continueCard:hover,.courseCard:hover{box-shadow:0 16px 40px #0f172a0f}.lessonProgressCard{box-shadow:none;background:var(--green-soft);border:0;margin:22px 0 28px;padding:20px}.lessonProgressCard h2{font-size:24px}.lessonStep{box-shadow:none;background:#ffffffd1}.lessonFlowStageHeader h2{font-size:24px}.lessonRightRail .lessonSideCard{background:var(--soft);border-color:#0000}.avatar{background:var(--accent-dark)}.floatingTutorButton{box-shadow:0 16px 40px #123d383d!important}.lessonStickyNav{border-color:#123d381f;box-shadow:0 16px 40px #123d381a}.nav button.active{color:var(--accent-dark);box-shadow:inset 0 -2px 0 var(--accent)}.progressBar span{background:linear-gradient(90deg, var(--accent), var(--accent-light))}.authPage{background:var(--bg);place-items:center;min-height:100dvh;padding:40px 20px;display:grid}.authLoading{color:var(--muted);margin:0;font-size:15px;font-weight:600}.authCard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);width:min(420px,100%);box-shadow:var(--shadow);text-align:center;padding:32px 28px 28px}.authLogo{width:auto;height:36px;margin:0 auto 22px;display:block}.authCard h1{letter-spacing:-.035em;margin:0 0 8px;font-size:26px;font-weight:700;line-height:1.15}.authLead{color:var(--muted);margin:0 0 22px;font-size:14px;font-weight:500;line-height:1.55}.authLead strong{color:var(--ink);font-weight:700}.authTabs{background:var(--soft);border-radius:999px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:20px;padding:4px;display:grid}.authTabs button{color:var(--muted);background:0 0;border:0;border-radius:999px;padding:10px 12px;font-size:14px;font-weight:700}.authTabs button.active{color:var(--ink);background:#fff;box-shadow:0 1px 3px #123d3814}.authForm{text-align:left;gap:14px;display:grid}.authField{gap:6px;display:grid}.authField span{color:var(--ink);font-size:13px;font-weight:700}.authField input{border:1px solid var(--line);width:100%;color:var(--ink);font:inherit;background:#fff;border-radius:14px;padding:12px 14px;font-size:15px;font-weight:500}.authField input:focus{border-color:var(--green);outline:2px solid #4f9f6b59}.authError{color:#9b3b3b;margin:0;font-size:13px;font-weight:600;line-height:1.4}.authPrimary,.authSecondary{font:inherit;cursor:pointer;border:0;border-radius:999px;padding:13px 18px;font-size:14px;font-weight:700}.authPrimary{background:var(--accent);color:#fff;margin-top:4px}.authPrimary:hover:not(:disabled){background:#3e8558}.authPrimary:disabled{opacity:.7;cursor:default}.authSecondary{background:var(--green-soft);color:var(--green);margin-top:8px}.signOutButton{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:600}.signOutButton:hover{color:var(--ink)}html,body{max-width:100%;overflow-x:hidden}img,svg,video,canvas{max-width:100%;height:auto}#root,.page{max-width:100%;overflow-x:clip}@media (width<=720px){.topbar{height:auto;min-height:0;padding:12px 14px calc(10px + env(safe-area-inset-bottom,0px));padding-top:calc(12px + env(safe-area-inset-top,0px));grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand user""nav nav";align-items:center;gap:10px;display:grid}.brand{grid-area:brand;min-width:0}.brandLogo{height:28px}.nav{white-space:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;grid-area:nav;justify-self:stretch;gap:4px;padding-bottom:2px;overflow:auto hidden}.nav::-webkit-scrollbar{display:none}.nav button{border-radius:999px;flex:none;padding:8px 10px;font-size:13px}.nav button.active{background:var(--green-soft);color:var(--green);box-shadow:none}.userArea{grid-area:user;gap:8px}.avatar{width:32px;height:32px;font-size:12px}.avatar.large{flex-shrink:0;width:48px;height:48px;font-size:17px}.signOutButton{padding:7px 10px;font-size:12px}.signOutLabel{display:none}.signOutButton:after{content:"Out"}.content{width:min(100% - 24px,1180px);padding:22px 0 calc(120px + env(safe-area-inset-bottom,0px))}.welcome{gap:12px;margin-bottom:20px}.welcome h1{font-size:clamp(22px,6.5vw,27px)}.welcome p{font-size:14px}.tabs{gap:18px}.tabs button{font-size:14px}.continueCard,.courseCard,.lessonMain,.courseIntroCard,.courseProgressCard,.cdSideCard,.lessonSideCard,.examIntroCard,.examQuestionsCard,.tutorMain,.aiTutorMain{border-radius:20px}.continueBody h2,.courseContent h3{min-height:0;font-size:18px}.courseContent p{min-height:0}.courseContent{padding:16px}.cdHero,.lessonMain,.tutorMain,.aiTutorMain,.moduleExamMain{padding:18px!important}.cdHeroText h1,.lessonMain h1,.tutorHeader h1,.courseIntroCard h1,.examIntroCard h1{font-size:clamp(24px,7vw,30px)!important;line-height:1.12!important}.lessonTopActions,.lessonBottomActions,.practiceBottomActions,.moduleExamActions,.courseTopActions,.pageActions{flex-direction:column;align-items:stretch}.lessonTopActions>*,.lessonBottomActions>*,.practiceBottomActions>*,.moduleExamActions>*,.courseTopActions>*,.pageActions>*,.courseButton,.lessonSecondaryButton,.continueButton{width:100%}.courseTopActions .resetProgressButton{white-space:normal}.phraseCard,.lessonVocabRow,.examIntroCard,.continueCard,.courseIntroCard{grid-template-columns:1fr!important}.practiceOptions,.writingQuestionList{gap:8px}.practiceOption,.writingQuestionCard{word-break:break-word;padding:12px;font-size:14px}.writingQuestionCard textarea,.authField input,.aiTutorInputBar input,.aiTutorInputBar textarea{font-size:16px!important}.lessonStickyNav{width:min(100% - 16px,920px);left:50%;bottom:calc(10px + env(safe-area-inset-bottom,0px));gap:8px;padding:10px;transform:translate(-50%)}.floatingTutorButton{right:12px!important;bottom:calc(108px + env(safe-area-inset-bottom,0px))!important}.authPage{padding:24px 16px;padding-top:max(24px, env(safe-area-inset-top,0px));align-items:start}.authCard{border-radius:20px;padding:24px 18px 20px}.authCard h1{font-size:22px}.authLead{font-size:13px}}@media (width<=420px){.nav button{padding:7px 8px;font-size:12px}.content{width:min(100% - 18px,1180px)}}