*{box-sizing:border-box}html,body{color:#1b2333;background:#f4f6fb;margin:0;font-family:Arial,Apple SD Gothic Neo,Noto Sans KR,sans-serif}button,input{font:inherit}button{cursor:pointer}.centerScreen,.loginWrap{place-items:center;min-height:100vh;display:grid}.loginWrap{background:radial-gradient(circle at 70% 20%,#e7ecff 0,#0000 34%),#f6f7fb}.loginCard{text-align:center;background:#fff;border:1px solid #e8ebf2;border-radius:24px;width:min(420px,100vw - 32px);padding:34px;box-shadow:0 24px 70px #2530551f}.loginCard h1{margin:14px 0 8px;font-size:24px}.loginCard p{color:#6e7687;margin:0 0 24px;font-size:14px}.loginCard input,.groupForms input{background:#fafbfe;border:1px solid #dfe3eb;border-radius:10px;width:100%;margin:6px 0;padding:13px 14px}.brandMark{color:#fff;background:#4e62da;border-radius:16px;place-items:center;width:54px;height:54px;margin:auto;font-size:28px;font-weight:800;display:grid;box-shadow:0 12px 24px #4e62da40}.brandMark.small{border-radius:11px;width:38px;height:38px;margin:0;font-size:20px}.primary,.secondary{border:0;border-radius:10px;padding:12px 16px;font-weight:700}.primary{color:#fff;background:#4e62da}.secondary{color:#3d4eaf;background:#eef1fb;border:1px solid #dce2f7}.loginCard .primary{width:100%;margin-top:10px}.textBtn{color:#4e62da;background:0 0;border:0;margin-top:12px}.notice{color:#4d587a;background:#f4f6fd;border:1px solid #e0e5f8;border-radius:10px;margin-top:12px;padding:11px 12px;font-size:13px}.appShell{min-height:100vh;display:flex}.sidebar{background:#fff;border-right:1px solid #e8eaf0;flex-direction:column;width:230px;padding:24px 16px;display:flex;position:fixed;top:0;bottom:0;left:0}.brand{align-items:center;gap:10px;padding:0 8px 28px;display:flex}.brand strong{font-size:14px;display:block}.brand span{letter-spacing:2px;color:#8b92a3;margin-top:2px;font-size:10px;display:block}.sidebar nav{gap:5px;display:grid}.nav{color:#6b7384;text-align:left;background:0 0;border:0;border-radius:10px;align-items:center;gap:12px;padding:12px 14px;display:flex}.nav b{width:20px;font-size:18px}.nav.active{color:#4053c8;background:#eef1ff;font-weight:700}.sideFoot{border-top:1px solid #edf0f4;align-items:center;gap:10px;margin-top:auto;padding:16px 6px 0;display:flex}.avatar{color:#fff;background:#202b49;border-radius:50%;place-items:center;width:36px;height:36px;font-weight:800;display:grid}.sideFoot strong,.sideFoot small{display:block}.sideFoot strong{font-size:13px}.sideFoot small{color:#979eac;margin-top:3px;font-size:10px}.logout{color:#8b92a3;background:0 0;border:0;margin-left:auto}.main{width:calc(100% - 230px);max-width:1500px;margin-left:230px;padding:30px 36px 60px}.main header{justify-content:space-between;align-items:center;margin-bottom:26px;display:flex}.main header h1{margin:0 0 5px;font-size:27px}.main header p{color:#7b8392;margin:0;font-size:14px}.modePill{color:#56617a;background:#fff;border:1px solid #e4e8f0;border-radius:100px;padding:8px 12px;font-size:11px}.card{background:#fff;border:1px solid #e7eaf0;border-radius:16px;box-shadow:0 5px 20px #202b4906}.hero{justify-content:space-between;align-items:center;gap:30px;padding:28px 32px;display:flex}.hero>div:first-child{flex:1}.eyebrow{color:#81899b;letter-spacing:.04em;font-size:11px;font-weight:700}.bigPct{margin:4px 0 0;font-size:46px;display:block}.hero p{color:#7f8796;font-size:13px}.progress{background:#edf0f5;border-radius:100px;height:9px;margin:12px 0 18px;overflow:hidden}.progress i{background:linear-gradient(90deg,#4e62da,#8090ee);border-radius:100px;height:100%;display:block}.compact{padding:10px 14px}.heroBadge{color:#fff;background:linear-gradient(135deg,#26345d,#5569d6);border-radius:15px;min-width:255px;padding:22px}.heroBadge span,.heroBadge small{opacity:.7;font-size:11px;display:block}.heroBadge b{letter-spacing:2px;margin:10px 0 7px;font-size:24px;display:block}.stats{grid-template-columns:repeat(4,1fr);gap:14px;margin:15px 0 28px;display:grid}.stat{padding:18px 20px}.stat span,.stat small{color:#858d9d;font-size:11px;display:block}.stat b{margin:8px 0 4px;font-size:27px;display:block}.sectionTitle{margin:0 0 12px;font-size:17px}.courseGrid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.courseCard{padding:20px}.bookTag{color:#4f61cb;background:#eef1ff;border-radius:7px;padding:5px 8px;font-size:10px;font-weight:800;display:inline-block}.b2{color:#2c9268;background:#edf8f3}.b3{color:#8b55a9;background:#f7effb}.b4{color:#be763c;background:#fff3ea}.courseCard h3{margin:12px 0 6px;font-size:15px}.courseCard p{color:#9399a6;height:28px;margin:0;font-size:11px}.progress.thin{height:6px;margin:18px 0 8px}.courseFoot{color:#828999;justify-content:space-between;font-size:11px;display:flex}.courseFoot b{color:#36425e}.learnLayout{grid-template-columns:390px 1fr;align-items:start;gap:16px;display:grid}.lessonList{max-height:calc(100vh - 130px);padding:20px;overflow:auto}.lessonList h2{margin-top:0;font-size:18px}.lessonList details{border-top:1px solid #eef0f4;padding:12px 0}.lessonList summary{cursor:pointer;font-size:13px}.lessonList summary b{color:#4e62da}.chapter{padding-left:8px}.chapter h4{color:#9097a5;margin:14px 0 7px;font-size:11px}.lessonBtn{text-align:left;color:#555f72;background:0 0;border:0;border-radius:8px;grid-template-columns:20px 1fr 38px;align-items:center;gap:8px;width:100%;padding:8px;font-size:12px;display:grid}.lessonBtn:hover,.lessonBtn.selected{color:#3548b8;background:#f2f4fb}.lessonBtn small{color:#a0a6b2;font-size:9px}.check{border:1px solid #d9dde6;border-radius:50%;place-items:center;width:16px;height:16px;font-size:9px;display:grid}.check.done{color:#fff;background:#4e62da;border-color:#4e62da}.lessonViewer{min-height:540px;padding:32px;position:sticky;top:20px}.lessonViewer h2{margin:8px 0;font-size:25px}.meta{color:#9198a5;font-size:11px}.lessonSummary{background:#f8f9fd;border:1px solid #edf0f6;border-radius:14px;margin-top:28px;padding:22px}.lessonSummary h3{margin:0 0 10px;font-size:15px}.lessonSummary p,.lessonSummary li{color:#596274;font-size:13px;line-height:1.7}.memory{background:#fff;border-left:4px solid #4e62da;border-radius:7px;margin:16px 0;padding:12px 14px;font-size:13px}.memory b{color:#4053c8;font-size:17px}.emptyContent,.empty{text-align:center;color:#8c93a0;padding:40px 18px}.emptyContent{background:#fafbfc;border:1px dashed #dfe3ea;border-radius:14px;margin-top:28px}.emptyContent b,.empty b{color:#4d5669}.emptyContent p,.empty p{font-size:12px;line-height:1.6}.lessonActions{justify-content:flex-end;gap:8px;margin-top:24px;display:flex}.quizWrap{max-width:800px;margin:auto;padding:30px}.quizTop{color:#9097a4;justify-content:space-between;font-size:11px;display:flex}.quizWrap h2{margin:24px 0;font-size:22px;line-height:1.55}.options{gap:9px;display:grid}.option{text-align:left;color:#4e586a;background:#fff;border:1px solid #e1e5ec;border-radius:11px;align-items:center;gap:12px;padding:14px;display:flex}.option b{background:#f0f2f6;border-radius:50%;place-items:center;width:27px;height:27px;display:grid}.option:hover{border-color:#aeb8eb}.option.correct{background:#f1fbf6;border-color:#72be96}.option.incorrect{background:#fff5f5;border-color:#e49696}.feedback{border-radius:11px;margin-top:18px;padding:17px}.feedback.good{background:#eff9f3}.feedback.bad{background:#fff3f3}.feedback p{font-size:12px;line-height:1.6}.wrongCard{padding:26px}.wrongCard>p{color:#89909e;font-size:12px}.wrongList{gap:10px;margin-top:18px;display:grid}.wrongItem{border:1px solid #e9ebf0;border-radius:12px;justify-content:space-between;align-items:center;gap:20px;padding:17px;display:flex}.wrongItem h3{margin:8px 0;font-size:13px}.wrongItem p{color:#7b8390;margin:0;font-size:11px}.tag{color:#b85656;background:#fff0f0;border-radius:50px;padding:4px 7px;font-size:9px}.groupGrid{grid-template-columns:1fr 330px;gap:16px;display:grid}.groupMain,.groupSide{padding:25px}.groupForms{grid-template-columns:1fr 50px 1fr;align-items:center;gap:18px;margin-top:26px;display:grid}.groupForms h3{font-size:14px}.groupForms .primary,.groupForms .secondary{width:100%;margin-top:8px}.or{text-align:center;color:#a2a8b3;font-size:11px}.groupHeader{justify-content:space-between;align-items:center;margin:20px 0;display:flex}.groupHeader h3{margin:4px 0;font-size:22px}.invite{text-align:right;background:#f2f4fb;border-radius:10px;padding:10px 14px}.invite small,.invite b{display:block}.invite small{color:#8d95a4;font-size:9px}.invite b{letter-spacing:1px;color:#4053c8;margin-top:3px;font-size:16px}.groupMain table{border-collapse:collapse;width:100%;font-size:12px}.groupMain th,.groupMain td{text-align:left;border-bottom:1px solid #edf0f4;padding:12px 8px}.groupMain th{color:#8b92a0;font-size:10px}.tableProgress{background:#eef0f4;border-radius:20px;width:120px;height:5px}.tableProgress i{background:#6072dc;border-radius:20px;height:100%;display:block}.groupSide h3{margin-top:0}.groupSide ol{color:#5f6879;padding-left:18px;font-size:12px;line-height:2}.privacy{color:#70798a;background:#f6f7fb;border-radius:10px;margin-top:18px;padding:13px;font-size:11px;line-height:1.55}@media (max-width:1050px){.courseGrid,.stats{grid-template-columns:repeat(2,1fr)}.learnLayout{grid-template-columns:320px 1fr}.groupGrid{grid-template-columns:1fr}.groupSide{display:none}}@media (max-width:760px){.sidebar{z-index:10;border-top:1px solid #e7eaf0;border-right:0;width:100%;height:66px;padding:7px;position:fixed;top:auto;bottom:0}.brand,.sideFoot{display:none}.sidebar nav{grid-template-columns:repeat(5,1fr);height:100%;display:grid}.nav{flex-direction:column;justify-content:center;gap:2px;padding:4px;font-size:9px}.nav b{width:auto;font-size:16px}.main{width:100%;margin-left:0;padding:20px 14px 90px}.main header h1{font-size:22px}.hero{padding:22px;display:block}.heroBadge{min-width:0;margin-top:16px}.stats{grid-template-columns:repeat(2,1fr)}.courseGrid{grid-template-columns:1fr}.learnLayout{display:block}.lessonList{max-height:none}.lessonViewer{min-height:400px;margin-top:12px;padding:22px;position:static}.groupForms{grid-template-columns:1fr}.or{padding:4px}.quizWrap{padding:20px}.modePill{display:none}}.readyBanner{justify-content:space-between;align-items:center;gap:20px;margin:0 0 28px;padding:20px 22px;display:flex}.readyBanner h3{margin:5px 0;font-size:16px}.readyBanner p{color:#7b8392;margin:0;font-size:12px}.lessonHead{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.sourceChip{color:#4155bf;background:#eef1ff;border:1px solid #dce2fb;border-radius:100px;flex:none;padding:7px 10px;font-size:10px;font-weight:800}.contentSection{background:#fff;border:1px solid #edf0f5;border-radius:14px;margin-top:16px;padding:18px 20px}.contentSection h3{margin:0 0 10px;font-size:14px}.contentSection ul{margin:0;padding-left:19px}.contentSection li{color:#586174;margin:4px 0;font-size:12px;line-height:1.72}.examBox{background:#f5f7ff;border-color:#dfe5ff}.examBox h3{color:#4053c8}.trapBox{background:#fff8f4;border-color:#f3dfd2}.trapBox h3{color:#a96538}.termTags{flex-wrap:wrap;gap:6px;display:flex}.termTags span{color:#596376;background:#f2f4f8;border-radius:100px;padding:6px 9px;font-size:10px}.lessonExample{background:#f4faf6;border-left:4px solid #66a37d;border-radius:10px;margin-top:16px;padding:15px 17px}.lessonExample b{color:#34704e;font-size:12px}.lessonExample p{color:#596a60;margin:7px 0 0;font-size:12px;line-height:1.65}.lessonToolbar{background:#fafbfe;border:1px dashed #dfe4ee;border-radius:11px;justify-content:space-between;align-items:center;gap:14px;margin-top:18px;padding:13px 15px;display:flex}.lessonToolbar span{color:#7d8594;font-size:11px}.quizFilters{flex-wrap:wrap;gap:8px;max-width:800px;margin:0 auto 10px;display:flex}.filterChip{color:#747d8d;background:#fff;border:1px solid #dfe3ed;border-radius:100px;padding:8px 11px;font-size:11px}.filterChip.active{color:#4053c8;background:#eef1ff;border-color:#cfd7fb;font-weight:700}.questionSource{color:#818996;background:#f5f6f8;border-radius:6px;margin-top:15px;padding:5px 8px;font-size:10px;display:inline-block}.exampleBank{max-width:800px;margin:18px auto 0;padding:28px 30px}.exampleHead{justify-content:space-between;align-items:flex-start;display:flex}.exampleHead h2{margin:5px 0 0;font-size:18px}.ungraded{color:#9b6825;background:#fff2df;border:1px solid #f1d7ae;border-radius:100px;padding:6px 9px;font-size:10px;font-weight:800}.exampleNotice{color:#735d3c;background:#fffaf1;border:1px solid #f3e4c9;border-radius:10px;margin:18px 0;padding:11px 12px;font-size:11px;line-height:1.6}.exampleMeta{color:#8c93a0;justify-content:space-between;gap:10px;font-size:10px;display:flex}.exampleBank h3{margin:20px 0 16px;font-size:18px;line-height:1.55}.exampleOptions{gap:8px;display:grid}.exampleOption{color:#5b6474;background:#fcfcfd;border:1px solid #e6e9ef;border-radius:10px;align-items:center;gap:11px;padding:12px 13px;font-size:12px;display:flex}.exampleOption b{color:#687183;background:#f0f2f6;border-radius:50%;place-items:center;width:25px;height:25px;display:grid}.criterion{color:#808896;margin:15px 0 0;font-size:10px;line-height:1.55}.exampleNav{justify-content:space-between;align-items:center;gap:8px;margin-top:18px;display:flex}.textBtn.inline{margin:0;padding:8px}.privacyNote{color:#858d9a;font-size:10px}.quizWrap+.exampleBank{margin-bottom:30px}@media (max-width:760px){.readyBanner{display:block}.readyBanner .secondary{width:100%;margin-top:14px}.lessonHead{display:block}.sourceChip{margin-top:10px;display:inline-block}.lessonToolbar{display:block}.lessonToolbar .secondary{width:100%;margin-top:10px}.exampleBank{padding:20px}.exampleNav{flex-wrap:wrap}.exampleNav .secondary{flex:1}.exampleNav .textBtn{order:3;width:100%}.exampleMeta{display:block}.exampleMeta span{margin-top:4px;display:block}}.todayHero{grid-template-columns:1fr 320px;align-items:center;gap:26px;padding:30px 32px;display:grid}.todayCopy h2{margin:7px 0 18px;font-size:25px}.todayCopy>p{color:#768093;margin:16px 0;font-size:12px}.todayTasks{flex-wrap:wrap;gap:10px;display:flex}.todayTasks>div{background:#fafbfe;border:1px solid #e9ecf3;border-radius:12px;min-width:120px;padding:12px 14px}.todayTasks b,.todayTasks span{display:block}.todayTasks b{font-size:19px}.todayTasks span{color:#8b93a2;margin-top:4px;font-size:10px}.dualScore{grid-template-columns:1fr 1fr;gap:10px;display:grid}.dualScore>div{background:#f7f8fc;border:1px solid #e9ecf4;border-radius:16px;padding:22px}.dualScore>div:last-child{background:#eef4ff;border-color:#dce6ff}.dualScore span,.dualScore small{color:#7d8696;font-size:10px;display:block}.dualScore b{margin:7px 0;font-size:38px;display:block}.resume{justify-content:space-between;align-items:center;gap:16px;margin:15px 0;padding:18px 22px;display:flex}.resume h3{margin:5px 0;font-size:17px}.resume p{color:#818a99;margin:0;font-size:11px}.versionStat{font-size:20px!important}.dashboardGrid{grid-template-columns:1.5fr 1fr;gap:14px;margin:0 0 28px;display:grid}.weaknessCard,.masteryNote{padding:22px}.sectionHead{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.sectionHead h2,.sectionHead h3{margin:5px 0}.sectionHead p{color:#828a99;margin:5px 0;font-size:11px}.weaknessList{gap:8px;margin-top:15px;display:grid}.weaknessList button{text-align:left;background:#fff;border:1px solid #e9ecf2;border-radius:10px;justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.weaknessList button span b,.weaknessList button span small{display:block}.weaknessList button span b{color:#414b5e;font-size:12px}.weaknessList button span small{color:#9aa1ae;margin-top:4px;font-size:9px}.weaknessList strong{font-size:17px}.red{color:#c75d5d}.amber{color:#b78a2f}.green{color:#3e8d65}.masteryNote h3{margin:6px 0;font-size:18px}.masteryNote p{color:#697386;font-size:12px;line-height:1.7}.miniLegend{gap:12px;margin-top:15px;font-size:10px;display:flex}.compactEmpty{padding:22px 8px}.metricRow{color:#858e9e;justify-content:space-between;margin-top:14px;font-size:10px;display:flex}.metricRow b{color:#45516b}.listHint{color:#979eac;margin:-5px 0 15px;font-size:10px}.lessonList summary{align-items:center;gap:6px;display:flex}.lessonList summary small{color:#9ba2af;margin-left:auto;font-size:8px}.check.started{color:#4f63d5;background:#edf0ff;border-color:#bcc7fb}.mobileMastery{margin-top:2px;display:block!important}.mobileBack{color:#4e62da;background:0 0;border:0;padding:0 0 12px;font-weight:700;display:none}.learningSteps{grid-template-columns:repeat(5,1fr);gap:7px;margin:24px 0;display:grid}.step{text-align:center;color:#a0a6b1;background:#fafbfc;border:1px solid #e4e8ef;border-radius:10px;padding:8px}.step b,.step span{display:block}.step b{background:#edf0f4;border-radius:50%;place-items:center;width:20px;height:20px;margin:0 auto 4px;font-size:9px;display:grid}.step span{font-size:9px}.step.done{color:#4053c8;background:#f0f4ff;border-color:#d6defd}.step.done b{color:#fff;background:#4e62da}.precheck{background:#fffdf7;border:1px solid #ece5cf;border-radius:14px;margin:18px 0;padding:18px 20px}.precheck h3{margin:7px 0 12px;font-size:14px;line-height:1.55}.miniOptions{gap:6px;margin-bottom:10px;display:grid}.miniOptions button{text-align:left;color:#5c6575;background:#fff;border:1px solid #e6e8ed;border-radius:9px;padding:10px 11px}.miniOptions button b{margin-right:8px}.miniOptions button.chosen{background:#f3f5ff;border-color:#bfc9fb}.precheckResult{border-radius:8px;margin-top:8px;padding:10px 11px;font-size:11px}.precheckResult.good{color:#3e7654;background:#eef9f3}.precheckResult.bad{color:#8f654e;background:#fff4ee}.lessonSummary ul{padding-left:20px}.recallBox{background:#f7fbf8;border:1px solid #dce7df;border-radius:14px;margin-top:16px;padding:18px 20px}.recallBox h3{margin:6px 0;font-size:14px}.recallBox>p,.recallAnswer p{color:#637267;font-size:12px;line-height:1.65}.recallAnswer{border-top:1px solid #dce7df;margin-top:12px;padding-top:12px}.disclosure{background:#fff;border:1px solid #e8ebf1;border-radius:12px;margin-top:12px}.disclosure>summary{cursor:pointer;color:#4e586d;padding:14px 16px;font-size:12px;font-weight:800}.disclosure>.contentSection,.disclosure>.lessonExample{margin:0 12px 12px}.lessonToolbar>div b,.lessonToolbar>div span{display:block}.lessonToolbar>div b{color:#505a6e;font-size:12px}.lessonToolbar>div span{margin-top:4px}.sourcePanel{color:#697283;background:#f7f8fa;border-radius:10px;gap:4px;margin-top:18px;padding:13px 15px;font-size:10px;display:grid}.sourcePanel b{color:#50596a;font-size:11px}.sourcePanel small{color:#969da9}.resultCard{text-align:center;max-width:800px;margin:auto;padding:34px}.resultScore{margin:12px 0}.resultScore b{font-size:64px}.resultScore span{font-size:18px}.resultCard>p{color:#788190;font-size:12px}.resultBar{background:#edf0f5;border-radius:50px;height:9px;overflow:hidden}.resultBar i{background:#5d70dc;height:100%;display:block}.resultWeak{text-align:left;background:#fff7f4;border-radius:12px;margin-top:22px;padding:16px}.resultWeak>b{font-size:11px}.resultWeak button{text-align:left;color:#9a5d43;background:0 0;border:0;width:100%;padding:8px 0;font-size:12px;display:block}.confidence{border:1px solid #e9ebf2;border-radius:12px;margin-top:20px;padding:17px}.confidence>b{margin-bottom:10px;font-size:12px;display:block}.confidence>div{justify-content:center;gap:8px;display:flex}.confidence button{background:#fff;border:1px solid #e1e5ed;border-radius:9px;padding:9px 12px}.confidence button.selected{color:#4053c8;background:#eef1ff;border-color:#bac5fb}.resultActions{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:20px;display:flex}.feedback small{color:#7d8491;margin:8px 0;font-size:10px;display:block}.wrongItem.mastered{opacity:.72;background:#fafbfc}.masteredTag{color:#3b7b59!important;background:#edf8f2!important}.goalPanel{background:#fafbfe;border:1px solid #e8ebf2;border-radius:12px;margin:18px 0 24px;padding:17px}.goalList{gap:7px;margin:12px 0;display:grid}.goalList>div{background:#fff;border:1px solid #e8ebf1;border-radius:9px;justify-content:space-between;gap:10px;padding:10px 12px;display:flex}.goalList b{font-size:11px}.goalList span{color:#949ba8;font-size:9px}.goalForm{grid-template-columns:1fr 150px 100px;gap:8px;margin-top:12px;display:grid}.goalForm input{background:#fff;border:1px solid #dfe3eb;border-radius:9px;min-width:0;padding:9px 10px}.muted{color:#9299a6;font-size:11px}@media (max-width:1050px){.todayHero{grid-template-columns:1fr}.dualScore{max-width:560px}.dashboardGrid{grid-template-columns:1fr}.goalForm{grid-template-columns:1fr 140px 100px}}@media (max-width:760px){.todayHero{padding:22px;display:block}.todayCopy h2{font-size:20px}.todayTasks{grid-template-columns:repeat(3,1fr);display:grid}.todayTasks>div{min-width:0;padding:10px}.dualScore{margin-top:18px}.dualScore b{font-size:30px}.resume{display:block}.resume .secondary{width:100%;margin-top:12px}.dashboardGrid{display:block}.masteryNote{margin-top:12px}.learningSteps{gap:4px}.step{padding:6px 2px}.learnLayout.detailOpen .lessonList,.learnLayout:not(.detailOpen) .lessonViewer{display:none}.learnLayout.detailOpen .lessonViewer{margin-top:0;display:block}.mobileBack{display:block}.lessonViewer{padding:18px}.precheck,.lessonSummary,.recallBox{padding:16px}.resultCard{padding:24px 18px}.resultScore b{font-size:54px}.goalForm{grid-template-columns:1fr}.groupHeader{display:block}.invite{text-align:left;margin-top:10px}.groupMain{overflow-x:auto}.groupMain table{min-width:520px}.sectionHead{display:block}.sectionHead .primary,.sectionHead .textBtn{margin-top:10px}.todayTasks span{font-size:9px}}.planCard{justify-content:space-between;align-items:center;gap:18px;margin:0 0 15px;padding:18px 22px;display:flex}.planCard h3{margin:5px 0;font-size:18px}.planCard p{color:#7d8696;margin:0;font-size:11px}.planControls{align-items:end;gap:10px;display:flex}.planControls label{color:#818a99;gap:4px;font-size:9px;display:grid}.planControls input,.mockControls select,.tutorSearch input{color:#414b5e;background:#fff;border:1px solid #dfe3eb;border-radius:9px;padding:9px 10px}.planControls input[type=number]{width:80px}.mockPage,.tutorPage,.qaPage{gap:16px;display:grid}.mockSetup,.tutorIntro,.qaHero,.qaNotes{padding:26px}.mockSetup{justify-content:space-between;align-items:center;gap:18px;display:flex}.mockSetup h2,.tutorIntro h2,.qaHero h2{margin:6px 0 8px}.mockSetup p,.tutorIntro p,.qaHero p{color:#7a8393;margin:0;font-size:12px;line-height:1.6}.mockControls{align-items:end;gap:10px;display:flex}.mockControls label{color:#89919f;gap:4px;font-size:9px;display:grid}.mockExam{padding:22px}.mockTop{border-bottom:1px solid #edf0f4;justify-content:space-between;align-items:center;padding-bottom:14px;display:flex}.mockTop b,.mockTop span{display:block}.mockTop span{color:#8e95a1;margin-top:3px;font-size:10px}.timer{color:#4053c8;font-size:24px;font-weight:800}.mockQuestionList{gap:18px;margin-top:18px;display:grid}.mockQuestion{border-bottom:1px solid #eef0f4;grid-template-columns:34px 1fr;gap:12px;padding-bottom:18px;display:grid}.qNo{color:#4053c8;background:#eef1ff;border-radius:50%;place-items:center;width:30px;height:30px;font-size:11px;font-weight:800;display:grid}.mockQuestion h3{margin:3px 0 10px;font-size:14px;line-height:1.55}.mockOptions{gap:6px;display:grid}.mockOptions label{color:#5d6676;border:1px solid #e6e9ef;border-radius:9px;align-items:flex-start;gap:8px;padding:9px 10px;font-size:11px;display:flex}.mockOptions label.picked{color:#4053c8;background:#f1f4ff;border-color:#bbc6fb}.mockOptions input{margin-top:2px}.stickySubmit{background:#fffffff5;border-top:1px solid #e8ebf0;justify-content:space-between;align-items:center;margin:20px -22px -22px;padding:14px 22px;display:flex;position:sticky;bottom:0}.stickySubmit span{color:#7f8795;font-size:11px}.mockResult{text-align:center;padding:34px}.bookResultGrid{grid-template-columns:repeat(4,1fr);gap:8px;margin:20px 0;display:grid}.bookResultGrid>div{background:#fafbfe;border:1px solid #e6e9f0;border-radius:12px;padding:13px}.bookResultGrid b,.bookResultGrid strong,.bookResultGrid span{display:block}.bookResultGrid strong{margin:6px 0;font-size:22px}.bookResultGrid span{color:#8b93a0;font-size:9px}.tutorSearch{grid-template-columns:1fr auto;gap:8px;margin-top:18px;display:grid}.tutorResults{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.tutorHit{padding:22px}.hitTop{color:#8a92a0;justify-content:space-between;font-size:9px;display:flex}.tutorHit h3{margin:8px 0;font-size:17px}.tutorHit p,.tutorHit li{color:#626d7f;font-size:11px;line-height:1.65}.tutorHit ul{padding-left:18px}.compactSource{margin:12px 0}.qaGrid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.qaGrid>.card{padding:20px}.qaGrid h3{margin:10px 0 5px;font-size:14px}.qaGrid p{color:#7f8794;font-size:11px}.qaPass{color:#3d805c;background:#eef8f2;border-radius:8px;margin-top:12px;padding:8px;font-size:9px}.qaNotes ol{color:#616b7d;padding-left:19px;font-size:11px;line-height:1.9}.qaIssue{background:#f5f6fa;border-radius:8px;padding:10px;font-size:11px}.sourcePanel.compactSource{padding:9px 10px}.courseCard .bookTag.b1{color:#4f61cb;background:#eef1ff}@media (max-width:1050px){.qaGrid{grid-template-columns:repeat(2,1fr)}.tutorResults{grid-template-columns:1fr}.mockSetup{align-items:flex-start}}@media (max-width:760px){.sidebar nav{scrollbar-width:none;gap:2px;overflow-x:auto;grid-template-columns:none!important;display:flex!important}.sidebar nav::-webkit-scrollbar{display:none}.nav{flex:0 0 68px;min-width:68px}.planCard,.mockSetup{display:block}.planControls,.mockControls{flex-wrap:wrap;margin-top:14px}.planControls label{flex:1}.planControls input,.mockControls .primary{width:100%}.bookResultGrid,.qaGrid{grid-template-columns:repeat(2,1fr)}.tutorSearch{grid-template-columns:1fr}.tutorSearch .primary{width:100%}.mockExam{padding:16px}.stickySubmit{margin:20px -16px -16px;padding:12px 16px}.mockQuestion{grid-template-columns:28px 1fr}.qNo{width:26px;height:26px}.mockResult{padding:24px 16px}}html,body{overscroll-behavior-x:none;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,Arial,sans-serif}.appShell{min-height:100dvh;overflow-x:clip}.mobileNav,.mobileMoreBackdrop,.mobileMoreSheet,.edgeSwipeZone{display:none}button:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:2px;outline:3px solid #4e62da3d}.primary,.secondary,.nav,.option,.lessonBtn{transition:transform .12s,background-color .12s,border-color .12s,box-shadow .12s}.primary:active,.secondary:active,.nav:active,.option:active,.lessonBtn:active{transform:scale(.985)}@media (max-width:760px){html,body{background:#f6f7fb}.appShell{touch-action:pan-y pinch-zoom}.sidebar{height:calc(70px + env(safe-area-inset-bottom));padding:6px 8px max(6px,env(safe-area-inset-bottom));z-index:40;box-shadow:0 -8px 24px #202b490f}.sidebar .desktopNav{display:none}.sidebar .mobileNav{grid-template-columns:repeat(5,minmax(0,1fr));gap:2px;height:58px;display:grid}.mobileNav .nav{border-radius:12px;min-width:0;min-height:52px;padding:4px 2px;font-size:10px;line-height:1.05}.mobileNav .nav b{font-size:18px;line-height:1.1}.mobileNav .nav.active{color:#4053c8;background:#eef1ff}.main{padding:18px 14px calc(102px + env(safe-area-inset-bottom))}.main header{align-items:flex-start;margin-bottom:18px}.main header h1{font-size:21px;line-height:1.25}.main header p{margin-top:4px;font-size:12px;line-height:1.45}.card{border-radius:15px;box-shadow:0 5px 16px #202b4909}.primary,.secondary{min-height:44px}.option{min-height:48px;padding:13px}.lessonBtn{min-height:44px;padding:9px 8px}.lessonViewer h2{font-size:22px;line-height:1.35}.lessonSummary p,.lessonSummary li{font-size:14px;line-height:1.72}.mobileMoreBackdrop{inset:0 0 calc(70px + env(safe-area-inset-bottom)) 0;z-index:41;background:#151d3247;border:0;display:block;position:fixed}.mobileMoreSheet{left:10px;right:10px;bottom:calc(78px + env(safe-area-inset-bottom));z-index:42;background:#fff;border:1px solid #e7eaf0;border-radius:20px;padding:9px 12px 14px;display:block;position:fixed;box-shadow:0 22px 56px #1a233d33}.mobileSheetHandle{background:#d9dde7;border-radius:99px;width:38px;height:4px;margin:0 auto 11px}.mobileMoreGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.mobileMoreItem{text-align:left;color:#4e586a;background:#f9faff;border:1px solid #e8ebf2;border-radius:14px;align-items:center;gap:10px;min-height:64px;padding:11px 12px;display:flex}.mobileMoreItem b{background:#eef1f8;border-radius:9px;place-items:center;width:28px;height:28px;font-size:16px;display:grid}.mobileMoreItem span{font-size:12px;font-weight:700}.mobileMoreItem.active{color:#4053c8;background:#eef1ff;border-color:#ccd5fb}.edgeSwipeZone{top:0;bottom:calc(70px + env(safe-area-inset-bottom));z-index:60;touch-action:none;background:0 0;width:24px;display:block;position:fixed}.edgeSwipeZone.left{left:0}.edgeSwipeZone.right{right:0}.learnLayout.detailOpen .lessonViewer{animation:.18s ease-out mobileDetailIn}@keyframes mobileDetailIn{0%{opacity:.55;transform:translate(10px)}to{opacity:1;transform:none}}}@media (prefers-reduced-motion:reduce){.primary,.secondary,.nav,.option,.lessonBtn{transition:none}.learnLayout.detailOpen .lessonViewer{animation:none}}.navSvg{width:22px;height:22px;display:block}.desktopNavIcon{flex:none;place-items:center;width:22px;height:22px;display:grid}.dashboardGreeting{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.dashboardGreeting strong{color:#3f4d69}.dashboardGreeting span{color:#727b8d}@media (max-width:760px){.sidebar{height:calc(74px + env(safe-area-inset-bottom));padding:5px 8px max(6px,env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff7;border-top-color:#e1e6ef}.sidebar .mobileNav{gap:4px;height:62px}.mobileNav .nav{color:#687386;border-radius:14px;gap:3px;min-height:58px;padding:5px 3px;font-size:11px;line-height:1;position:relative}.mobileNav .navIconWrap{border-radius:10px;place-items:center;width:30px;height:28px;transition:background-color .15s,color .15s,transform .15s;display:grid}.mobileNav .navLabel{white-space:nowrap;letter-spacing:-.01em;font-size:10.5px;font-weight:700;display:block}.mobileNav .nav.active{color:#4055c8;background:#f1f4ff;font-weight:800}.mobileNav .homeTab.active{color:#304bc5;background:#e9eeff;box-shadow:inset 0 0 0 1px #d5defe}.mobileNav .homeTab.active .navIconWrap{color:#fff;background:#4058d8;transform:translateY(-1px);box-shadow:0 5px 12px #4058d83d}.mobileNav .homeTab.active .navSvg{stroke-width:2.2px}.mobileNav .moreTab .navIconWrap{padding-top:1px}.main{padding:17px 14px calc(126px + env(safe-area-inset-bottom))}.main header{margin-bottom:16px}.main header h1{letter-spacing:-.025em;margin-bottom:6px;font-size:23px}.main header p{color:#697487;font-size:12.5px}.dashboardGreeting{gap:5px 8px;display:flex}.dashboardGreeting strong{color:#4c5b77;font-size:13px}.dashboardGreeting span{color:#707b8e;font-size:12px}.todayHero{padding:20px 18px!important}.todayCopy h2{letter-spacing:-.035em;margin:12px 0 14px!important;font-size:25px!important;line-height:1.34!important}.todayTasks{gap:8px!important;margin:12px 0 14px!important}.todayTasks>div{border-radius:14px!important;min-height:86px!important;padding:12px 7px!important}.todayTasks b{font-size:25px!important}.todayTasks span{color:#687386!important;margin-top:6px!important;font-size:10.5px!important}.todayCopy>p{color:#667186!important;margin:10px 0 12px!important}.todayHero .primary{min-height:46px;padding:10px 18px;font-size:15px}.dualScore{gap:9px!important;margin-top:15px!important}.dualScore>div{border-radius:16px!important;min-height:108px!important;padding:15px 13px!important}.dualScore span{color:#69758a!important;font-size:11px!important}.dualScore b{margin:8px 0 6px!important;font-size:36px!important}.dualScore small{color:#6f7a8d!important;font-size:10.5px!important}.resume{margin-top:14px!important;padding:18px!important}.resume p,.courseCard p,.stat span,.stat small,.lessonToolbar span,.meta{color:#727d90}.mobileMoreBackdrop{bottom:calc(74px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#111a3057}.mobileMoreSheet{left:9px;right:9px;bottom:calc(82px + env(safe-area-inset-bottom));border-radius:22px;padding:9px 12px 12px;box-shadow:0 24px 60px #151f393d}.mobileMoreGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mobileMoreItem{color:#4e5b70;gap:10px;min-height:62px;padding:10px 12px}.mobileMoreIcon{color:#526078;background:#edf1f8;border-radius:10px;place-items:center;width:31px;height:31px;display:grid}.mobileMoreIcon .navSvg{width:19px;height:19px}.mobileMoreItem.active .mobileMoreIcon{color:#fff;background:#4058d8}.mobileAccountCard{border-top:1px solid #e9ecf2;justify-content:space-between;align-items:center;gap:12px;margin-top:11px;padding:12px 11px 4px;display:flex}.mobileAccountIdentity{align-items:center;gap:10px;min-width:0;display:flex}.mobileAvatar{flex:none;width:38px;height:38px}.mobileAccountIdentity>div:last-child{min-width:0}.mobileAccountIdentity strong,.mobileAccountIdentity small{display:block}.mobileAccountIdentity strong{white-space:nowrap;text-overflow:ellipsis;max-width:150px;font-size:13px;overflow:hidden}.mobileAccountIdentity small{color:#788396;margin-top:3px;font-size:10px}.mobileLogoutBtn{color:#5e697c;background:#f7f8fb;border:1px solid #e1e5ed;border-radius:11px;align-items:center;gap:6px;min-height:40px;padding:8px 10px;font-size:11px;font-weight:700;display:flex}.mobileLogoutBtn .navSvg{width:17px;height:17px}.edgeSwipeZone{bottom:calc(74px + env(safe-area-inset-bottom))}}.lessonBreadcrumb{color:#667085;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 10px;font-size:13px;display:flex}.lessonBreadcrumb button{color:inherit;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.richLesson,.workedExamples{background:#fff;border:1px solid #e4e7ec;border-radius:14px;margin:18px 0;padding:18px}.richSectionHead{margin-bottom:12px}.richSectionHead h3{margin:4px 0 0}.richParagraph{line-height:1.75}.richList{padding-left:22px;line-height:1.7}.richTableWrap{margin:12px 0;overflow-x:auto}.richTable{border-collapse:collapse;width:100%;font-size:14px}.richTable th,.richTable td{text-align:left;vertical-align:top;border:1px solid #e4e7ec;padding:10px}.richTable th{background:#f8fafc}.richFormula{background:#f5f7ff;border-radius:12px;margin:12px 0;padding:14px}.richFormula code{white-space:normal;font-weight:700}.richFormula p{margin:8px 0 0}.richCallout{background:#f7f8fa;border-left:4px solid #667085;border-radius:12px;margin:12px 0;padding:14px}.richCallout.info{background:#f4f7ff}.richCallout.warning{background:#fff8e8}.richCallout.success{background:#eefbf3}.richCallout p{margin:6px 0 0}.richCase{background:#f8fafc;border-radius:12px;padding:14px}.richCase p{margin:6px 0 0}.richFigureRef{color:#667085;font-size:13px}.workedExamples article{border-top:1px solid #eaecf0;padding:14px 0}.workedExamples article:first-of-type{border-top:0}.workedResult{background:#eef6ff;border-radius:10px;margin-top:10px;padding:10px 12px;font-weight:600}.termHint{color:#667085;margin-top:-4px;font-size:13px}.termTags.interactive button{cursor:pointer;color:#344054;background:#fff;border:1px solid #d0d5dd;border-radius:999px;align-items:center;gap:8px;margin:4px;padding:8px 11px;display:inline-flex}.termTags.interactive button:hover{background:#f9fafb;border-color:#98a2b3}.termTags.interactive button span{font-size:16px}.termOverlay{z-index:80;background:#1018286b;justify-content:flex-end;display:flex;position:fixed;inset:0}.termPanel{background:#fff;width:min(440px,92vw);height:100%;padding:22px;overflow:auto;box-shadow:-12px 0 32px #1018282e}.termPanelHead{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.termPanelHead h2{margin:4px 0 0}.termClose{cursor:pointer;background:#f2f4f7;border:0;border-radius:50%;width:38px;height:38px;font-size:26px}.termPanel section{margin-top:20px}.termPanel section h3{margin-bottom:8px}.termAliases{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.termAliases span{background:#f2f4f7;border-radius:999px;padding:5px 8px;font-size:12px}.termConfusion{border-bottom:1px solid #eaecf0;padding:10px 0}.termConfusion p{margin:4px 0}.relatedLessonLinks{gap:8px;display:grid}.relatedLessonLinks button{text-align:left;cursor:pointer;background:#fff;border:1px solid #d0d5dd;border-radius:10px;padding:10px}.termSources{gap:6px;display:grid}.termSources span{color:#667085;font-size:13px;display:block}.rationaleList{gap:8px;margin:14px 0;display:grid}.rationaleList h4{margin:0 0 4px}.rationaleItem{background:#fff;border:1px solid #e4e7ec;border-radius:10px;padding:10px 12px}.rationaleItem>div{align-items:flex-start;gap:8px;display:flex}.rationaleItem>div>b{flex:none}.rationaleItem>div span{flex:1}.rationaleItem em{background:#f2f4f7;border-radius:999px;padding:3px 6px;font-size:11px;font-style:normal}.rationaleItem.isAnswer{background:#f3fbf6;border-color:#86c9a1}.rationaleItem.isSelected:not(.isAnswer){background:#fff7f7;border-color:#f0a5a5}.rationaleItem p{color:#475467;margin:7px 0 0;font-size:13px;line-height:1.5}.answerBasis{background:#f8fafc;border-radius:10px;gap:4px;margin:12px 0;padding:10px 12px;display:grid}.answerBasis span{color:#667085;font-size:12px}.exampleNotice{gap:4px;display:grid}.exampleStatements{background:#f8fafc;border-radius:12px;gap:8px;margin:14px 0;padding:14px;display:grid}.exampleStatements>div{grid-template-columns:32px 1fr;gap:8px;display:grid}.criterionPath{background:#f9fafb;border-left:3px solid #98a2b3;gap:5px;margin:14px 0;padding:12px;display:grid}.criterionPath b{margin-bottom:2px}.criterionPath span{font-size:13px}.studyInterpretation{background:#f3fbf6;border:1px solid #b7dec5;border-radius:14px;margin:16px 0;padding:16px}.studyInterpretation.pending{background:#f9fafb;border-color:#e4e7ec}.studyInterpretation h3{margin:5px 0 8px}.studyInterpretation small{color:#667085;margin-top:10px;display:block}.lessonPager{border-top:1px solid #eaecf0;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;margin-top:18px;padding-top:16px;display:grid}.lessonPager>button:first-child{text-align:left}.lessonPager>button:last-child{text-align:right}.lessonPager .textBtn{white-space:nowrap}@media (max-width:720px){.termOverlay{align-items:flex-end}.termPanel{width:100%;height:auto;max-height:82vh;padding-bottom:calc(24px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0}.lessonPager{grid-template-columns:1fr 1fr}.lessonPager .textBtn{text-align:center;grid-area:1/1/auto/-1}.lessonPager>button:first-child{grid-area:2/1}.lessonPager>button:last-child{grid-area:2/2}.richLesson,.workedExamples{padding:14px}.richTable{min-width:520px}}.returnContext{background:#f4f7ff;border:1px solid #c7d7fe;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin:0 0 12px;padding:10px 12px;display:flex}.returnContext button{color:#3448a5;cursor:pointer;text-align:left;background:0 0;border:0;padding:0;font-weight:700}.returnContext span{color:#667085;font-size:12px}.wrongActions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}@media (max-width:720px){.returnContext{flex-direction:column;align-items:flex-start}.returnContext span{font-size:11px}.wrongActions{justify-content:flex-end}}.examplePrompt{overflow-wrap:anywhere;min-width:0}.examplePrompt>h3{line-height:1.65}.examplePassage{background:#f8fafc;border:1px solid #dce3ee;border-radius:10px;margin:16px 0;padding:16px}.examplePassage p{white-space:pre-wrap;margin:0;line-height:1.75}
.sidebar .mobileNav{display:none}.sidebar .desktopNav{display:grid}@media (max-width:760px){.sidebar .desktopNav{display:none!important}.sidebar .mobileNav{grid-template-rows:1fr!important;grid-template-columns:repeat(5,minmax(0,1fr))!important;grid-auto-flow:column!important;width:100%!important;height:100%!important;display:grid!important}.sidebar .mobileNav>button{width:100%!important;min-width:0!important;max-width:none!important;display:flex!important}}