:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif;color:#202922;background:#f8f9f6;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}button{cursor:pointer}button:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #6b9b77;outline-offset:3px}.skip{position:absolute;top:-100px;left:20px;background:#fff;padding:12px;z-index:10}.skip:focus{top:10px}.shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#fff;border-right:1px solid #e6eae4;padding:35px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;background:none;border:0;text-align:left;color:#1c2920;padding:0}.brandmark{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:#284d38;color:white;font-family:Georgia,serif;font-size:15px;letter-spacing:-2px}.brandmark span{color:#c3df8d}.brand b{display:block;font-size:14px;letter-spacing:-.3px}.brand small{display:block;font-size:9px;letter-spacing:1.25px;color:#88928a;margin-top:4px}.side-label,.section-kicker{font-size:10px;font-weight:750;letter-spacing:1.7px;color:#829087}.side-label{margin:62px 12px 15px}.sidebar nav{display:grid;gap:5px}.nav{height:46px;border:0;border-radius:10px;background:transparent;text-align:left;padding:0 13px;color:#6b756d;font-size:14px}.nav span{font-size:19px;display:inline-block;width:29px}.nav.active{background:#eef4ec;color:#244c34;font-weight:700}.nav em{float:right;font-style:normal}.side-bottom{margin-top:auto;border-top:1px solid #edf0eb;padding:23px 8px 0}.side-progress{display:flex;justify-content:space-between;font-size:12px;color:#6c776e}.side-progress b{color:#2f6041}.bar{height:5px;background:#e8eee6;border-radius:20px;overflow:hidden;margin-top:12px}.bar i,.lesson-progress i{display:block;height:100%;background:#5c9568;border-radius:20px}.side-bottom p{font-size:11px;color:#a0a8a1;margin-top:12px}main{min-width:0}.top{height:73px;border-bottom:1px solid #e8ece6;display:flex;align-items:center;justify-content:space-between;padding:0 6%;font-size:10px;font-weight:700;letter-spacing:1.2px;color:#9aa49b}.slash{margin:0 9px;color:#c6cdc6}.top-right{letter-spacing:0;font-size:11px;font-weight:500;color:#748076}.dot,.eyebrow-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#87b581;margin-right:7px}.content{max-width:1320px;margin:auto;padding:40px 6% 20px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.5px;color:#758d79;margin-bottom:17px}.hero{min-height:370px;border-radius:18px;background:#eaf1e6;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;position:relative}.hero-copy{padding:43px 8%;position:relative;z-index:1}.pill{display:inline-flex;gap:22px;align-items:center;font-size:9px;font-weight:750;letter-spacing:1.4px;color:#426a4e;border:1px solid #bdd1b9;border-radius:20px;padding:7px 10px}.pill span{font-size:13px}.hero h1{font-size:clamp(36px,4vw,56px);letter-spacing:-3px;line-height:1.16;margin:25px 0 15px;font-weight:730}.hero h1 em{font-style:normal;color:#5f8e67}.hero p{font-size:15px;color:#617064;line-height:1.8;margin:0}.hero-actions{display:flex;align-items:center;gap:22px;margin-top:26px}.primary,.secondary{border:0;border-radius:9px;min-height:46px;padding:0 19px;font-weight:700;font-size:13px}.primary{background:#294f38;color:white}.primary:hover{background:#1a3d29}.primary span{margin-left:18px}.secondary{border:1px solid #dfe7de;background:white;color:#405b47}.secondary:disabled{opacity:.4;cursor:default}.text-button{border:0;background:none;padding:8px 0;color:#436c4d;font-weight:700;font-size:13px}.hero-visual{position:relative;min-height:300px}.visual-disc{position:absolute;width:230px;height:230px;border-radius:50%;background:#cadcc2;top:63px;left:21%;display:flex;flex-direction:column;justify-content:center;padding-left:47px;transform:rotate(-9deg)}.visual-disc span:first-child{font-size:9px;letter-spacing:2px;color:#5d7c61;font-weight:bold}.visual-disc b{font-family:Georgia,serif;font-size:33px;line-height:.95;letter-spacing:-1px;margin:15px 0;color:#315640}.visual-disc b span{color:#85ad69}.visual-disc small{font-size:8px;letter-spacing:1.3px;color:#6a8a6d}.orbit{position:absolute;border:1px solid #cbdcc6;border-radius:50%;width:310px;height:310px;top:25px;left:12%}.orbit-two{width:360px;height:360px;top:0;left:7%;border-color:#d7e5d3}.visual-tag{position:absolute;top:73px;right:10%;background:#fffdf7;padding:12px 14px;transform:rotate(8deg);font-size:9px;line-height:1.6;color:#96a398;border-radius:3px;box-shadow:0 8px 25px #617f5e19}.visual-tag b{font-size:9px;color:#55715a}.overview{display:grid;grid-template-columns:1.2fr .85fr .8fr;gap:35px;align-items:center;background:white;border:1px solid #e9ede7;border-radius:15px;margin-top:22px;padding:25px 30px}.overview h2,.section-heading h2{font-size:21px;letter-spacing:-.8px;margin:8px 0}.overview p,.section-heading p{color:#89938a;font-size:12px;margin:0;line-height:1.6}.overview-stat{border-left:1px solid #edf0ec;padding-left:30px}.overview-stat strong,.overview-link strong{font-size:27px;color:#294e36}.overview-stat strong small{font-size:14px;color:#a0aaa0}.overview-stat>span{font-size:11px;color:#879289;margin-left:9px}.overview-link{border:0;border-left:1px solid #edf0ec;padding:0 0 0 30px;background:none;text-align:left;display:grid;gap:4px}.overview-link>span,.overview-link b{font-size:11px;color:#7b8a7d}.overview-link small{font-size:11px;font-weight:400;color:#879289;margin-left:7px}.overview-link b{color:#51805a}.study-plan,.home-units{margin-top:56px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:19px}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.plan-grid article{background:#fff;border:1px solid #e9ede7;border-radius:13px;padding:24px 25px;position:relative}.plan-day{color:#6d9973;font-size:10px;font-weight:bold;letter-spacing:1.4px}.plan-grid h3{font-size:16px;margin:14px 0 8px}.plan-grid p{font-size:12px;color:#859087;line-height:1.7;margin:0;max-width:340px}.plan-arrow{position:absolute;right:25px;top:22px;color:#8da393}.unit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.unit-card{min-height:195px;background:white;border:1px solid #e6ebe5;border-radius:13px;padding:19px 21px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;color:inherit;transition:transform .15s,border-color .15s}.unit-card:hover{transform:translateY(-3px);border-color:#a8c5a9}.card-top,.card-bottom{display:flex;justify-content:space-between;align-items:center}.unit-number{font-family:Georgia,serif;font-size:22px;color:#92ac94}.status{font-size:10px;border-radius:20px;background:#f3f5f2;color:#849087;padding:5px 8px}.status.complete{background:#e6f2e6;color:#407a4a}.eng-label{font-size:10px;color:#94a198;letter-spacing:.4px}.unit-card h3{font-size:17px;letter-spacing:-.5px;margin:5px 0 8px}.unit-card p{font-size:11px;color:#9aa59b;margin:0}.unit-card p span{padding:0 4px}.card-bottom{border-top:1px solid #f0f2ef;padding-top:13px;color:#78917c;font-size:11px}.card-bottom span:last-child{font-size:16px}footer{max-width:1320px;margin:60px auto 0;padding:25px 6%;border-top:1px solid #e8ece6;color:#a2aaa3;font-size:10px}footer span{margin:0 7px}.breadcrumb{font-size:12px;color:#9ba59c;margin:2px 0 44px}.breadcrumb button{border:0;background:none;padding:0;color:#7d8b80}.page-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.page-heading h1,.exercise-header h1{font-size:36px;letter-spacing:-1.8px;margin:10px 0}.page-heading p,.exercise-header p{color:#819086;font-size:14px}.heading-stat{text-align:right}.heading-stat strong{display:block;color:#4f815a;font-size:32px}.heading-stat span{font-size:11px;color:#99a39a}.notice{background:#edf4eb;color:#607666;border-radius:10px;padding:15px 18px;margin-bottom:22px;font-size:12px;display:flex;gap:15px}.notice b{color:#3e6246}.lesson-wrap{max-width:1150px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:55px}.lesson-meta{display:flex;justify-content:space-between;font-size:11px;color:#a0aaa1}.lesson-progress{height:4px;background:#e7ede5;border-radius:20px;margin-top:15px}.lesson-title{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:48px 0 35px}.small-label{font-size:12px;color:#88a08a}.lesson-title h1{font-size:36px;letter-spacing:-1.4px;margin:8px 0 0}.bookmark{border:1px solid #dfe8dd;border-radius:20px;background:white;padding:9px 13px;color:#66816b;font-size:12px;white-space:nowrap}.bookmark.selected{background:#e6f1e3;color:#356d40}.concept-block,.example-block{padding:0 0 28px}.block-label{font-size:12px;font-weight:750;color:#4b6750}.block-label small{font-size:9px;letter-spacing:1.2px;color:#a4b0a5;margin-left:7px}.concept-block p,.example-block p,.english-block p{font-size:16px;line-height:1.9;color:#435147;margin:14px 0 0;word-break:keep-all}.english-block{background:#eaf2e7;border-radius:13px;padding:25px 28px;margin-bottom:29px;display:flex;justify-content:space-between}.english-block p{font-family:Georgia,serif;font-size:20px;color:#31553b;line-height:1.6}.quote-mark{font-family:Georgia,serif;font-size:75px;line-height:1;color:#bed5bb}.source{font-size:11px;color:#98a49a;line-height:1.7;border-top:1px solid #edf0eb;padding-top:16px}.lesson-actions{display:flex;justify-content:space-between;gap:15px;margin-top:32px}.lesson-aside{border-left:1px solid #e8ede7;padding-left:25px}.lesson-aside h3{font-size:15px;margin:13px 0 24px}.lesson-index{display:grid;gap:5px}.lesson-index button{display:flex;text-align:left;gap:10px;border:0;background:none;color:#8d998f;font-size:12px;padding:11px 0;line-height:1.5}.lesson-index button span{color:#a9b6a9}.lesson-index button.current{color:#315c3b;font-weight:bold}.tip{margin-top:32px;padding:17px;border-radius:10px;background:#f0f4ed}.tip b{font-size:12px;color:#57715b}.tip p{font-size:11px;color:#849487;line-height:1.7}.exercise{max-width:900px}.exercise-header{margin-bottom:28px}.question-card,.answer-box,.check-box,.self-rate{background:#fff;border:1px solid #e7ece5;border-radius:14px;padding:28px;margin-bottom:16px}.question-label{display:flex;justify-content:space-between;color:#8ca092;font-size:10px;letter-spacing:1px;font-weight:700}.question-card h2{font-family:Georgia,serif;line-height:1.45;font-size:25px;color:#294c35;font-weight:500;margin:25px 0}.hints{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}.hints details{border:1px solid #e2e9e1;border-radius:8px;padding:10px 12px;font-size:12px;color:#68816b}.hints summary{cursor:pointer}.hints p{line-height:1.6;max-width:360px}.question-card label{display:block;font-weight:700;font-size:13px}.question-card label span{font-weight:400;color:#a0aaa2;font-size:11px;margin-left:8px}.question-card textarea{width:100%;min-height:180px;resize:vertical;margin:12px 0 15px;border:1px solid #dfe7dd;border-radius:10px;padding:16px;line-height:1.7;color:#334638;background:#fbfcfa}.question-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.question-actions>span{font-size:11px;color:#9aa59b}.answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.answer-box{min-height:180px}.answer-box p{font-size:15px;line-height:1.8;color:#546358;white-space:pre-wrap}.answer-box.model{background:#edf4e9}.answer-box.model p{color:#31553b;font-family:Georgia,serif;font-size:17px}.check-box h2,.self-rate h2{font-size:18px;margin:14px 0}.check-line{margin:14px 0;color:#5b6b5e;font-size:13px}.check-line span{display:inline-grid;place-items:center;border-radius:50%;background:#e9f3e8;color:#5c9467;width:22px;height:22px;margin-right:10px}.self-rate{display:flex;justify-content:space-between;align-items:center;gap:20px}.self-rate p{color:#97a299;font-size:12px}.rate-buttons{display:flex;gap:7px;flex-wrap:wrap}.rate-buttons button{border:1px solid #dfe8df;background:white;color:#617765;border-radius:8px;padding:10px 12px;font-size:12px}.rate-buttons button.chosen{background:#dfeedd;border-color:#9fc29e;color:#315d3b}.review-list{display:grid;gap:10px}.review-row{background:white;border:1px solid #e8ece7;border-radius:12px;padding:22px;display:flex;justify-content:space-between;align-items:center;gap:20px}.review-row h3{font-size:16px;margin:8px 0}.review-row p{font-size:12px;color:#859188;line-height:1.6;max-width:650px}.review-row>div:last-child{display:flex;align-items:center;white-space:nowrap}.remove{border:0;background:none;font-size:24px;color:#a3aea4;padding:10px}.empty{text-align:center;padding:80px 20px;background:white;border:1px solid #e8ece7;border-radius:14px}.empty>div{font-size:40px;color:#9ab79a}.empty h2{font-size:19px}.empty p{font-size:13px;color:#89968b;margin-bottom:25px}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{height:auto;position:static;flex-direction:row;align-items:center;padding:14px 5%;border-right:0;border-bottom:1px solid #e8ece6}.sidebar nav{display:flex;margin-left:auto}.nav{font-size:12px;height:40px;padding:0 10px}.nav span{display:none}.side-label,.side-bottom{display:none}.top{height:50px}.content{padding:30px 5%}.unit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-layout{grid-template-columns:1fr}.lesson-aside{border:0;padding:0}.lesson-index{grid-template-columns:repeat(2,1fr)}.hero-visual{min-height:300px}.visual-disc{left:10%}.orbit{left:0}.orbit-two{left:-5%}}@media(max-width:600px){.brand b{font-size:12px}.brand small{font-size:8px}.brandmark{width:34px;height:34px}.top-right{display:none}.hero{grid-template-columns:1fr}.hero-copy{padding:34px 25px}.hero h1{font-size:39px}.hero-visual{display:none}.overview{grid-template-columns:1fr 1fr;gap:20px;padding:22px}.overview>div:first-child{grid-column:span 2}.overview-stat{border-left:0;padding-left:0}.overview-link{padding-left:20px}.plan-grid,.unit-grid,.answer-grid{grid-template-columns:1fr}.unit-card{min-height:165px}.section-heading{align-items:start;flex-direction:column}.section-heading p{display:none}.page-heading h1,.exercise-header h1,.lesson-title h1{font-size:29px}.page-heading{gap:15px}.notice{display:block;line-height:1.6}.notice b{display:block}.lesson-title{align-items:start;flex-direction:column;margin:35px 0 25px}.lesson-index{grid-template-columns:1fr 1fr}.question-card,.answer-box,.check-box,.self-rate{padding:20px}.question-actions,.self-rate{align-items:start;flex-direction:column}.question-actions button{width:100%}.review-row{align-items:start;flex-direction:column}.breadcrumb{margin-bottom:30px}.hero-actions{gap:14px}.hero-actions .text-button{font-size:12px}}
/* Pretendard typography and refreshed visual system */
:root{font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Malgun Gothic",sans-serif;color:#17233b;background:#f5f7fc}body,button,textarea,select{font-family:inherit;letter-spacing:-.018em}body{line-height:1.55}.sidebar{background:#fff;border-color:#e5e9f1}.brandmark,.primary{background:#3458d4}.brandmark span{color:#c5d4ff}.brand b{font-size:15px}.brand small,.section-kicker,.side-label{color:#75819a}.nav{color:#5d6a81}.nav.active{background:#edf1ff;color:#294cc6}.primary:hover{background:#2747bb}.bar i,.lesson-progress i{background:#5579ed}.hero{background:#e9efff}.hero h1{letter-spacing:-.045em;line-height:1.18}.hero h1 em{color:#496de0}.hero p,.overview p,.section-heading p{color:#66748c}.pill{color:#3d5dc0;border-color:#bdcaf5}.eyebrow,.card-bottom,.text-button{color:#4263ce}.eyebrow-dot,.dot{background:#718dfa}.visual-disc{background:#c7d5ff}.visual-disc b{font-family:inherit;color:#294aba;font-weight:750;line-height:1.05}.visual-disc b span{color:#7189f6}.visual-disc span:first-child,.visual-disc small{color:#6379bb}.orbit{border-color:#cfdbff}.orbit-two{border-color:#dce5ff}.overview,.plan-grid article,.unit-card,.answer-box,.question-card,.check-box,.self-rate,.review-row{border-color:#e4e9f3;box-shadow:0 4px 16px #31476908}.overview-stat strong,.overview-link strong{color:#3558cf}.plan-day,.unit-number{color:#6c83d9}.status.complete{background:#e7edff;color:#355ac7}.unit-card:hover{border-color:#a9baff}.notice,.english-block,.tip,.answer-box.model{background:#edf2ff}.notice b,.block-label{color:#3c57ad}.notice,.english-block p,.answer-box.model p{color:#344a83}.english-block p,.question-card h2,.answer-box.model p{font-family:inherit;letter-spacing:-.012em}.question-card h2{font-weight:650}.quote-mark{color:#c3cff7}.bookmark.selected{background:#e9efff;color:#3458bf}.lesson-index button.current{color:#3458d4}.tip b{color:#3e5bb1}.tip p{color:#687ba9}.section-heading h2,.overview h2,.lesson-title h1,.exercise-header h1,.page-heading h1{letter-spacing:-.035em}.concept-block p,.example-block p{font-size:16px;line-height:1.85;color:#35435a}.eng-label,.source{color:#79879e}.question-card textarea{border-color:#d9e1f1;background:#fbfcff;color:#253651}.rate-buttons button.chosen{background:#e7edff;border-color:#9dafed;color:#3458c4}.check-line span{background:#e7efff;color:#4569d7}.overview-link b{color:#4768ce}.exam-setup{margin-top:25px}.exam-setup h2{font-family:inherit;font-size:22px;margin:16px 0 8px}.exam-setup>p,.quiet{font-size:13px;color:#78859b;line-height:1.7}.exam-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:25px 0}.exam-options button{background:#f8faff;border:1px solid #dfe6f5;border-radius:10px;padding:18px;text-align:left;color:#263958}.exam-options button:hover{border-color:#7e97ef;background:#edf2ff}.exam-options b,.exam-options span{display:block}.exam-options span{margin-top:5px;color:#7b8ba5;font-size:12px}.exam-page{max-width:980px}.exam-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.exam-top h1{font-size:36px;letter-spacing:-.04em;margin:8px 0}.exam-top p{color:#78869d;font-size:14px}.timer{min-width:125px;background:#e9efff;border-radius:12px;padding:15px 20px;text-align:center}.timer span{display:block;color:#7082b6;font-size:11px}.timer strong{color:#365ac8;font-size:24px;font-variant-numeric:tabular-nums}.exam-question h2,.result-card h2{font-size:20px}.exam-question textarea{min-height:120px}.exam-finish{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:25px 0 40px;color:#78869d;font-size:12px}.result-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result-pair>div{background:#f6f8fd;padding:17px;border-radius:10px}.result-pair>div:last-child{background:#edf2ff}.result-pair p,.variant-answer p{font-size:14px;line-height:1.8;white-space:pre-wrap;color:#33435e}.checklist{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0;color:#4767bd;font-size:12px}.review-select,.filter-bar,.inline-reason{display:flex;align-items:center;gap:10px;font-size:12px;color:#697993;flex-wrap:wrap}.review-select select,.filter-bar select,.inline-reason select{border:1px solid #dce4f3;border-radius:8px;padding:10px;background:white;color:#364863;max-width:100%}.filter-bar{margin:0 0 18px}.review-row>div:last-child{gap:8px;flex-wrap:wrap}.variant-hint{margin:0 0 22px;font-size:13px;color:#4566c7}.variant-hint summary{cursor:pointer}.variant-answer{background:#edf2ff;border-radius:10px;padding:20px;margin-top:22px}.source-list{margin-top:30px}.source-list h3{margin-bottom:12px}.source-link{display:flex;justify-content:space-between;gap:8px;padding:10px 0;border-top:1px solid #e5eaf4;color:#4b65a0;text-decoration:none;font-size:11px;line-height:1.5;overflow-wrap:anywhere}.source-link:hover{text-decoration:underline}.source-link span{flex-shrink:0}@media(max-width:600px){.exam-options,.result-pair{grid-template-columns:1fr}.exam-top{align-items:start;flex-direction:column}.timer{display:flex;gap:15px;align-items:center;padding:10px 16px}.timer strong{font-size:20px}.exam-finish{flex-direction:column;align-items:stretch}.exam-finish button{width:100%}.review-row>div:last-child{white-space:normal}.sidebar nav{gap:0}.nav{padding:0 7px;font-size:11px}}
.brandmark,.quote-mark{font-family:inherit}
.cycle-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px}.cycle-card,.deep-section,.reading-sources{background:white;border:1px solid #e4e9f3;border-radius:14px;padding:25px}.cycle-card h2{font-size:19px;margin:13px 0 8px}.cycle-card>p{font-size:13px;color:#697b95;line-height:1.7;min-height:68px}.cycle-no{font-size:10px;letter-spacing:1.5px;font-weight:700;color:#6882d4}.reading-list{display:grid;gap:8px;margin-top:18px}.reading-row{border-top:1px solid #edf0f7;padding-top:10px;display:flex;align-items:start;justify-content:space-between;gap:10px}.reading-row a{color:#4563ac;font-size:12px;text-decoration:none;overflow-wrap:anywhere}.reading-row label{font-size:11px;white-space:nowrap;color:#6c7b91}.cycle-note{margin-top:20px}.reading-page{max-width:900px}.deep-section{margin-bottom:14px}.deep-section h2{font-size:21px;letter-spacing:-.035em;margin:12px 0}.deep-section p{font-size:15px;line-height:1.9;word-break:keep-all;color:#394a63}.reading-sources h2{font-size:18px}.choices{display:grid;gap:9px;margin:20px 0}.choice{display:flex;gap:11px;align-items:flex-start;padding:14px;background:#f7f9fe;border:1px solid #e3e9f5;border-radius:9px;color:#35445e;font-size:14px;line-height:1.6;cursor:pointer}.choice:has(input:checked){border-color:#7893eb;background:#edf2ff}.choice input{margin-top:5px;accent-color:#4264d9}.result-card .inline-reason{margin-top:18px}@media(max-width:850px){.cycle-grid{grid-template-columns:1fr}.cycle-card>p{min-height:0}}
.material-group+.material-group{margin-top:20px}.material-heading{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:15px 0 8px}.material-heading b{font-size:13px;color:#283b5d}.material-heading small{font-size:10px;color:#8795aa}.cycle-actions{display:grid;gap:8px}.cycle-actions button{text-align:left}.bilingual-list{display:grid;gap:12px}.bilingual-card{display:grid;grid-template-columns:36px 1fr;gap:14px;background:#fff;border:1px solid #e4e9f3;border-radius:13px;padding:24px}.pair-number{font-size:12px;font-weight:700;color:#8ba0d8;padding-top:1px}.language-label{font-size:10px;letter-spacing:1.2px;font-weight:750;color:#697fae}.ko-label{display:block;margin-top:19px}.english-text{font-size:16px;color:#223a72;line-height:1.75;margin:8px 0 0}.korean-text{font-size:15px;color:#405069;line-height:1.8;margin:8px 0 0;word-break:keep-all}.bilingual-list+.reading-sources{margin-top:24px}@media(max-width:600px){.bilingual-card{grid-template-columns:26px 1fr;padding:18px;gap:8px}.english-text{font-size:15px}.korean-text{font-size:14px}}
.slide-title{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:30px 0 20px}.slide-title h1{font-size:26px;letter-spacing:-.035em;overflow-wrap:anywhere}.slide-title label{font-size:12px;color:#74829a;white-space:nowrap}.slide-title select{padding:9px;border:1px solid #dce4f3;border-radius:8px;margin-left:6px;background:#fff}.slide-language{background:white;border:1px solid #e4e9f3;border-radius:13px;padding:25px;margin-bottom:12px}.slide-language.translated{background:#edf2ff}.slide-copy{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9;margin-top:12px;color:#34445f;font-size:15px}.text-link{color:#4263ce;text-decoration:none;font-size:12px}.primary:disabled{opacity:.4;cursor:default}@media(max-width:600px){.slide-title{align-items:start;flex-direction:column}.slide-language{padding:18px}}
.slide-figure{margin:0 0 14px;padding:14px;background:#fff;border:1px solid #e4e9f3;border-radius:13px}.slide-figure img{display:block;width:100%;height:auto;border-radius:6px;background:#f4f6fa}.slide-figure figcaption{display:flex;justify-content:space-between;gap:12px;padding:12px 3px 1px;color:#72819a;font-size:12px}.slide-figure figcaption a{color:#4263ce;text-decoration:none;font-weight:650}.slide-figure figcaption a:hover{text-decoration:underline}
.audit-box{margin:22px 0;padding:24px;background:#f1f5ff;border:1px solid #dfe7fc;border-radius:13px}.audit-box h2{font-size:19px;letter-spacing:-.03em;margin:10px 0}.audit-source{font-size:12px;color:#667b9f;line-height:1.6}.audit-box ul{padding-left:20px;margin:16px 0 0}.audit-box li{font-size:14px;color:#354861;line-height:1.85;margin:8px 0;word-break:keep-all}
math{font-family:STIX Two Math,Cambria Math,serif;font-size:1.08em;margin:0 .16em;color:#1b376e}math mtext{font-family:Pretendard,-apple-system,sans-serif;font-size:.88em}
/* Quiet study dashboard */
:root{background:#f7f8fb;color:#171d2c}.shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:30px 17px;background:#f2f4f8;border-right:0}.brandmark{width:38px;height:38px;border-radius:12px;background:#202c53;letter-spacing:-.05em}.brand b{font-size:13px}.brand small{font-size:8px;letter-spacing:.08em}.side-label{margin:58px 10px 12px;color:#98a2b3;font-size:9px}.nav{height:44px;border-radius:12px;color:#778193;font-size:13px;padding:0 12px}.nav span{width:29px;font-size:18px}.nav.active{background:#fff;color:#263e9c;box-shadow:0 2px 8px #2536590b}.side-bottom{border-color:#e2e6ed}.top{height:62px;padding:0 5%;background:#fff;border-color:#eff1f5;color:#9aa2b0;font-size:9px;letter-spacing:.1em}.content{max-width:1240px}.dashboard{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 305px;gap:36px;padding:45px 4.5% 55px}.dashboard-main{min-width:0}.dashboard-eyebrow{font-size:10px;letter-spacing:.1em;color:#8f9bb0;font-weight:700}.dashboard-eyebrow span{color:#b9c1d0;margin:0 4px}.dashboard-heading{margin:24px 0 27px}.dashboard-heading h1{font-size:clamp(38px,4vw,54px);line-height:1.17;letter-spacing:-.055em;font-weight:650;margin:0;color:#192236}.dashboard-heading h1 em{font-style:normal;color:#536fcb}.dashboard-heading p{font-size:14px;color:#7b8799;margin:14px 0 0;letter-spacing:-.025em}.dashboard-tabs{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 43px}.dash-tab{display:flex;gap:8px;align-items:center;border:0;background:#f0f2f6;color:#5f6c80;border-radius:30px;padding:8px 13px;font-size:12px;font-weight:600;min-height:37px}.dash-tab span{display:grid;place-items:center;background:#fff;border-radius:50%;width:23px;height:23px;font-size:15px;color:#5f7194}.dash-tab.selected{background:#252f4d;color:#fff}.dash-tab.selected span{color:#344b99}.dash-section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:17px}.dash-section-head h2{font-size:20px;letter-spacing:-.04em;margin:6px 0 0}.section-kicker{font-size:9px;letter-spacing:.12em;color:#9aa5b6}.dash-view{background:none;border:0;color:#8190a7;font-size:12px}.dash-view span{margin-left:8px}.dashboard-units{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.dash-unit{min-height:158px;border:1px solid transparent;border-radius:16px;text-align:left;padding:17px 19px;color:#283449;display:flex;flex-direction:column;justify-content:space-between;transition:transform .18s,border-color .18s}.dash-unit:hover{transform:translateY(-2px);border-color:#b6c4e9}.tone-0{background:#e4ebfc}.tone-1{background:#edf0f6}.tone-2{background:#e8eafa}.tone-3{background:#e6f1f1}.dash-unit-top,.dash-unit-bottom{display:flex;align-items:center;justify-content:space-between}.dash-unit-index{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#fff;color:#526baf;font-size:10px;font-weight:750}.dash-unit-status{padding:5px 8px;border-radius:20px;background:#ffffffb8;color:#71809a;font-size:10px}.dash-unit-en{font-size:10px;color:#7e8da8}.dash-unit h3{font-size:17px;letter-spacing:-.04em;margin:5px 0 0;font-weight:700}.dash-unit-bottom{font-size:11px;color:#7a8aa2}.dash-unit-bottom span:last-child{font-size:16px}.dashboard-aside{background:#f0f2f7;border-radius:19px;padding:24px 21px;align-self:start}.aside-head{display:flex;justify-content:space-between;align-items:center;font-size:9px;color:#9aa4b4;letter-spacing:.13em;font-weight:700}.aside-head span:last-child{font-size:16px;color:#6f7f9b}.aside-title{display:flex;align-items:center;gap:13px;margin:26px 0 24px}.aside-avatar{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#dbe4fc;color:#3559b5;font-size:13px;font-weight:750;letter-spacing:-.06em}.aside-avatar span{color:#98a9e2}.aside-title h2{font-size:16px;margin:0;letter-spacing:-.04em}.aside-title p{font-size:11px;margin:4px 0 0;color:#98a3b2}.aside-progress-card{background:white;border-radius:13px;padding:16px}.aside-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#64718a}.aside-row b{font-size:18px;color:#345cc7}.aside-progress-card p{font-size:11px;color:#98a3b2;margin:10px 0 0}.aside-progress-card p strong{color:#506bb7}.aside-section-head{display:flex;align-items:center;justify-content:space-between;margin:27px 1px 11px}.aside-section-head h3{font-size:13px;margin:0;letter-spacing:-.03em}.aside-section-head span{font-size:9px;letter-spacing:.1em;color:#9ca8ba}.continue-card,.review-card,.exam-card{width:100%;border:0;text-align:left;border-radius:13px;display:flex;align-items:center}.continue-card{gap:12px;background:#dfe8fc;padding:16px;color:#263650;min-height:100px}.continue-number{align-self:flex-start;display:grid;place-items:center;flex-shrink:0;border-radius:50%;background:#fff;width:29px;height:29px;color:#536db2;font-size:10px;font-weight:750}.continue-text{display:grid;gap:5px}.continue-text small,.continue-text em{font-size:10px;color:#788ba8;font-style:normal}.continue-text b{font-size:14px;letter-spacing:-.03em}.continue-text em{color:#5874bd}.review-card{gap:11px;background:#fff;padding:13px;color:#344158}.review-icon{display:grid;place-items:center;background:#f0f3fa;border-radius:50%;width:32px;height:32px;font-size:18px;color:#6b80bd}.review-card b,.review-card small{display:block}.review-card b{font-size:12px}.review-card small{font-size:10px;color:#98a3b2;margin-top:3px}.review-arrow{margin-left:auto;color:#9ba8ba}.exam-card{margin-top:11px;justify-content:space-between;background:#e5e9f5;padding:16px;color:#344769}.exam-card small,.exam-card b,.exam-card em{display:block}.exam-card small{font-size:9px;color:#8a9ab4;letter-spacing:.07em}.exam-card b{font-size:13px;margin:5px 0}.exam-card em{font-size:10px;font-style:normal;color:#8a9ab4}.aside-footnote{font-size:10px;color:#a0aabc;text-align:center;margin:24px 0 0}footer{margin-top:20px}.page-heading h1,.exercise-header h1,.lesson-title h1{font-weight:680}.question-card,.answer-box,.check-box,.self-rate,.deep-section,.cycle-card,.review-row{box-shadow:none}.notice{border-radius:12px}.unit-card{box-shadow:none;border-radius:15px}.unit-card:hover{box-shadow:none}.breadcrumb{color:#9aa5b4}@media(max-width:1100px){.dashboard{gap:22px;grid-template-columns:minmax(0,1fr) 265px}.dashboard-aside{padding:20px 17px}}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{padding:14px 5%;background:white;border-bottom:1px solid #e9edf3}.dashboard{padding:35px 5%;grid-template-columns:minmax(0,1fr) 250px}.dashboard-heading h1{font-size:40px}}@media(max-width:700px){.dashboard{grid-template-columns:1fr;gap:24px}.dashboard-heading{margin:20px 0 25px}.dashboard-heading h1{font-size:38px}.dashboard-tabs{margin-bottom:32px}.dashboard-aside{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;padding:20px}.aside-head,.aside-title,.aside-progress-card,.aside-footnote{grid-column:1/-1}.aside-title{margin:8px 0}.aside-section-head{margin:8px 0 0}.continue-card{grid-column:1;grid-row:5}.review-card{grid-column:2;grid-row:5}.exam-card{grid-column:1/-1;margin-top:0}.aside-footnote{margin:4px 0 0}.continue-card,.review-card{min-height:100px}.review-card{align-items:center}.sidebar nav{gap:0}.nav{font-size:11px;padding:0 7px}.brand b{font-size:12px}}@media(max-width:430px){.dashboard-units{grid-template-columns:1fr}.dash-unit{min-height:140px}.dashboard-aside{grid-template-columns:1fr}.aside-head,.aside-title,.aside-progress-card,.aside-footnote,.continue-card,.review-card,.exam-card{grid-column:auto;grid-row:auto}.aside-section-head{margin-top:14px}.review-card{min-height:auto}}
.brandmark,.aside-avatar{display:flex;align-items:center;justify-content:center;white-space:nowrap;flex-shrink:0}.aside-avatar span,.brandmark span{display:inline}
.mock-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}.mock-card{background:#fff;border:1px solid #e3e9f3;border-radius:16px;padding:24px}.mock-card-top{display:flex;justify-content:space-between;align-items:center}.mock-number{display:grid;place-items:center;background:#e9efff;color:#4263c6;border-radius:50%;width:38px;height:38px;font-size:12px;font-weight:750}.mock-status{font-size:10px;letter-spacing:.08em;color:#8795a9}.mock-card h2{font-size:20px;letter-spacing:-.04em;margin:22px 0 6px}.mock-card p{color:#7e8ba0;font-size:12px;line-height:1.6}.mock-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.mock-actions button{font-size:12px}.mock-actions .text-button{width:100%;text-align:left}@media(max-width:650px){.mock-grid{grid-template-columns:1fr}.mock-card{padding:20px}}
.inline-explanation{margin:16px 0 2px;border:1px solid #e1e8f5;border-radius:11px;background:#f8faff;overflow:hidden}.inline-explanation summary{cursor:pointer;padding:13px 16px;color:#3d5ebc;font-size:13px;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center}.inline-explanation summary::-webkit-details-marker{display:none}.inline-explanation summary:after{content:'+';font-size:18px;font-weight:400}.inline-explanation[open] summary:after{content:'−'}.inline-explanation-body{padding:6px 16px 18px;border-top:1px solid #e5ebf7}.inline-explanation-body .block-label{display:block;margin-top:16px}.inline-explanation-body p{font-size:13px;line-height:1.8;color:#40516b;word-break:keep-all}.explanation-source{font-size:11px;line-height:1.7;color:#7d8ca2;margin-top:15px}.explanation-links{margin-top:8px}.explanation-links .source-link{font-size:11px;padding:8px 0}
