@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;600;700&display=swap";:root{color:#18211c;font-synthesis:none;text-rendering:optimizelegibility;--ink:#18211c;--muted:#657069;--line:#dfe5e1;--soft-line:#eaeeeb;--paper:#fff;--canvas:#f5f7f5;--green:#147a52;--green-dark:#0b5f3e;--green-soft:#eaf5ef;--coral:#e86d56;--coral-soft:#fff0ec;--yellow:#d99a18;--yellow-soft:#fff7df;--blue:#317ea8;--blue-soft:#eaf4f8;--danger:#ba4135;--danger-soft:#fff0ed;--focus:#0b6c47;background:#f5f7f5;font-family:DM Sans,Noto Sans KR,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--canvas);min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:2px;outline:3px solid #147a5247}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit}h1,h2,h3,p{margin-top:0}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.academy-shell{min-height:100vh}.desktop-sidebar{z-index:20;border-right:1px solid var(--line);background:var(--paper);flex-direction:column;width:248px;padding:28px 18px 22px;display:flex;position:fixed;inset:0 auto 0 0}.brand-button{text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:11px;width:100%;padding:0 8px;display:flex}.brand-mark{border:1px solid var(--ink);background:var(--ink);color:#fff;place-items:center;width:36px;height:36px;font-size:17px;font-weight:700;display:grid}.brand-button strong,.brand-button small{letter-spacing:0;display:block}.brand-button strong{font-size:14px}.brand-button small{color:var(--muted);margin-top:2px;font-size:11px}.main-nav{gap:5px;margin-top:42px;display:grid}.nav-button{color:#59625d;cursor:pointer;background:0 0;border:0;border-radius:6px;align-items:center;gap:12px;width:100%;min-height:44px;padding:0 12px;font-size:14px;font-weight:600;display:flex}.nav-button:hover{color:var(--ink);background:#f3f6f4}.nav-button.active{background:var(--green-soft);color:var(--green-dark)}.sidebar-progress{border:1px solid var(--line);background:#fafcfb;border-radius:8px;margin-top:auto;padding:18px 14px 15px}.sidebar-progress-head{color:var(--muted);justify-content:space-between;align-items:center;font-size:12px;display:flex}.sidebar-progress-head strong{color:var(--green-dark);font-size:14px}.progress-track{background:#e3e8e5;height:5px;margin-top:10px;display:block;overflow:hidden}.progress-track>span,.progress-track>i,.progress-track>b{background:var(--green);height:100%;transition:width .22s;display:block}.sidebar-progress p{color:var(--muted);margin:8px 0 14px;font-size:11px}.sidebar-note{color:var(--muted);align-items:flex-start;gap:9px;margin-top:13px;padding:0 5px;display:flex}.sidebar-note svg{color:var(--green);flex:none;margin-top:2px}.sidebar-note p{margin:0;font-size:10px;line-height:1.65}.primary-button,.secondary-button,.text-button,.help-button,.back-button{cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:44px;font-weight:700;display:inline-flex}.primary-button{border:1px solid var(--green-dark);background:var(--green-dark);color:#fff;padding:0 18px;font-size:14px}.primary-button:hover:not(:disabled){background:#084b32;border-color:#084b32}.primary-button.compact{width:100%;min-height:38px;padding:0 10px;font-size:12px}.primary-button.full{width:100%}.secondary-button{color:var(--ink);background:#fff;border:1px solid #cdd5d0;padding:0 16px;font-size:13px}.secondary-button:hover{background:#f8faf9;border-color:#a9b5ae}.text-button{min-height:36px;color:var(--green-dark);background:0 0;border:0;padding:0;font-size:13px}.academy-main{min-height:100vh;margin-left:248px}.page{width:min(1180px,100% - 64px);margin:0 auto;padding:54px 0 96px}.page-heading{justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:34px;display:flex}.page-heading>div:first-child{max-width:720px}.eyebrow{color:var(--green-dark);letter-spacing:0;text-transform:uppercase;margin-bottom:9px;font-size:11px;font-weight:700;display:inline-block}.page-heading h1{color:var(--ink);letter-spacing:0;margin-bottom:15px;font-size:40px;line-height:1.24}.page-heading p{max-width:650px;color:var(--muted);margin-bottom:0;font-size:15px;line-height:1.75}.migration-notice{border:1px solid #edcd77;border-left:4px solid var(--yellow);background:var(--yellow-soft);border-radius:6px;align-items:flex-start;gap:12px;margin-bottom:18px;padding:15px 17px;display:flex}.migration-notice svg{color:#9c6b06;flex:none}.migration-notice strong{font-size:13px}.migration-notice p{color:#725d30;margin:3px 0 0;font-size:12px;line-height:1.55}.today-panel{background:var(--paper);border:1px solid #cfd8d2;border-radius:8px;grid-template-columns:minmax(0,1fr) minmax(360px,.86fr);min-height:390px;display:grid;overflow:hidden}.today-copy{flex-direction:column;align-items:flex-start;padding:44px;display:flex}.today-kicker{color:var(--green-dark);align-items:center;gap:8px;margin-bottom:35px;font-size:12px;font-weight:700;display:flex}.status-dot{background:var(--green);width:8px;height:8px;box-shadow:0 0 0 5px var(--green-soft);border-radius:50%}.today-label{color:var(--muted);margin-bottom:8px;font-size:12px}.today-copy h2{letter-spacing:0;margin-bottom:13px;font-size:28px;line-height:1.3}.today-copy>p:not(.today-label){max-width:520px;color:var(--muted);margin-bottom:20px;font-size:14px;line-height:1.7}.today-meta{flex-wrap:wrap;gap:14px 20px;margin-bottom:28px;display:flex}.today-meta span{color:#4e5b53;align-items:center;gap:6px;font-size:12px;display:inline-flex}.today-visual{background:#e9f0ea;min-height:390px;position:relative}.today-visual img{-o-object-fit:cover;object-fit:cover;-o-object-position:center;object-position:center;width:100%;height:100%}.visual-caption{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#33423a;background:#ffffffeb;border:1px solid #ffffffb8;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:0 13px;font-size:11px;font-weight:700;display:flex;position:absolute;bottom:14px;left:14px;right:14px}.visual-caption svg{color:var(--green)}.visual-caption i{background:#a9b7ae;width:16px;height:1px}.learning-stats{border:1px solid var(--line);background:var(--paper);border-radius:8px;grid-template-columns:repeat(3,.65fr) 1.4fr;margin:18px 0 64px;display:grid}.learning-stats>div{border-right:1px solid var(--soft-line);min-height:112px;padding:20px 22px}.learning-stats>div:last-child{border-right:0}.learning-stats span{color:var(--muted);font-size:11px}.learning-stats strong{margin-top:9px;font-size:28px;display:block}.learning-stats strong small{color:#98a39d;font-size:12px;font-weight:500}.learning-stats .stat-message{background:var(--green-soft);align-items:center;gap:13px;display:flex}.stat-message svg{color:var(--green-dark);flex:none}.stat-message p{color:#53665a;margin:0;font-size:11px;line-height:1.6}.stat-message p strong{color:var(--green-dark);margin:0;font-size:13px;display:inline}.section-block{margin-bottom:68px}.section-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:20px;display:flex}.section-heading h2{letter-spacing:0;margin:0;font-size:24px}.section-heading .eyebrow{margin-bottom:5px}.track-rows{border-top:1px solid var(--ink);background:var(--paper);overflow:hidden}.track-row{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;grid-template-columns:44px 1.4fr 1fr 50px 20px;align-items:center;gap:18px;width:100%;min-height:83px;padding:0 18px;display:grid}.track-row:hover{background:#f9fbfa}.track-number{color:var(--green);font-size:12px;font-weight:700}.track-row.coral .track-number,.map-track.coral .track-number{color:var(--coral)}.track-row.yellow .track-number,.map-track.yellow .track-number{color:#aa7410}.track-row.blue .track-number,.map-track.blue .track-number{color:var(--blue)}.track-row.ink .track-number,.map-track.ink .track-number{color:var(--ink)}.track-copy strong,.track-copy small{display:block}.track-copy strong{font-size:15px}.track-copy small{color:var(--muted);margin-top:4px;font-size:11px}.track-outcome{color:#4b5951;font-size:12px}.track-count{color:var(--muted);text-align:center;font-size:11px}.track-row>svg{color:#9aa59e}.word-prompt{border:1px solid var(--line);background:var(--paper);border-radius:8px;grid-template-columns:.75fr 1.25fr;display:grid;overflow:hidden}.word-prompt>div:first-child{color:#fff;background:#1a2821;min-height:310px;padding:38px}.word-prompt>div:first-child>svg{color:#7bd0a6;margin-bottom:54px}.word-prompt>div:first-child .eyebrow{color:#93d8b5;display:block}.word-prompt h2{margin:0;font-size:24px;line-height:1.45}.word-samples{grid-template-columns:repeat(3,1fr);display:grid}.word-samples>button{border:0;border-right:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;flex-direction:column;align-items:flex-start;min-height:220px;padding:28px 22px;display:flex;position:relative}.word-samples>button:hover{background:#f9fbfa}.word-samples>button:nth-child(3){border-right:0}.word-samples>button span{color:var(--green-dark);margin-bottom:14px;font-size:17px;font-weight:700}.word-samples>button small{color:var(--muted);font-size:11px;line-height:1.7}.word-samples>button svg{color:var(--green);margin-top:auto}.word-samples .all-words-button{border-top:1px solid var(--line);min-height:65px;color:var(--green-dark);flex-direction:row;grid-column:1/-1;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-size:12px;font-weight:700}.word-samples .all-words-button svg{margin:0}.course-principles{border:1px solid var(--line);background:#fff;grid-template-columns:repeat(4,1fr);margin-bottom:42px;display:grid}.course-principles span{border-right:1px solid var(--line);color:#526158;align-items:center;gap:8px;min-height:62px;padding:0 16px;font-size:11px;display:flex}.course-principles span:last-child{border-right:0}.course-principles svg{color:var(--green)}.course-timeline{gap:20px;display:grid}.map-track{border:1px solid var(--line);border-left:4px solid var(--green);background:#fff;border-radius:8px}.map-track.coral{border-left-color:var(--coral)}.map-track.yellow{border-left-color:var(--yellow)}.map-track.blue{border-left-color:var(--blue)}.map-track.ink{border-left-color:var(--ink)}.map-track-head{border-bottom:1px solid var(--line);grid-template-columns:42px 1fr auto;align-items:center;gap:18px;padding:25px 28px 22px;display:grid}.map-track-head h2{margin:0 0 5px;font-size:20px}.map-track-head p{color:var(--muted);margin:0;font-size:12px}.map-track-head .eyebrow{margin-bottom:3px}.map-track-progress{text-align:right}.map-track-progress strong,.map-track-progress span{display:block}.map-track-progress strong{font-size:17px}.map-track-progress span{color:var(--muted);margin-top:3px;font-size:10px}.map-lessons{padding:0 24px}.map-lessons>button{border:0;border-bottom:1px solid var(--soft-line);text-align:left;cursor:pointer;background:#fff;grid-template-columns:30px 1fr auto auto 18px;align-items:center;gap:13px;width:100%;min-height:68px;padding:0 4px;display:grid}.map-lessons>button:last-child{border-bottom:0}.map-lessons>button:hover{color:var(--green-dark)}.lesson-state{width:26px;height:26px;color:var(--muted);border:1px solid #cfd7d2;border-radius:50%;place-items:center;font-size:10px;display:grid}.map-lessons>button.done .lesson-state{border-color:var(--green);background:var(--green);color:#fff}.lesson-map-copy strong,.lesson-map-copy small{display:block}.lesson-map-copy strong{font-size:13px}.lesson-map-copy small{color:var(--muted);margin-top:3px;font-size:10px}.lesson-time{color:var(--muted);align-items:center;gap:4px;font-size:10px;display:flex}.blocked-label{background:var(--danger-soft);color:var(--danger);padding:3px 6px;font-size:9px;font-weight:700}.inline-word-demo{background:var(--green-soft);border:1px solid #d8e6dd;border-radius:6px;align-items:center;gap:12px;margin-top:24px;padding:17px 19px;display:flex}.inline-word-demo>svg{color:var(--green);flex:none}.inline-word-demo p{color:#42554a;margin:0;font-size:12px;line-height:1.7}.term-button{border:0;border-bottom:1px dashed var(--green);min-height:28px;color:var(--green-dark);cursor:pointer;background:0 0;align-items:center;gap:4px;padding:2px 7px;font-size:11px;font-weight:700;display:inline-flex}.term-button:hover{background:var(--green-soft)}.lesson-page{background:var(--paper);min-height:100vh}.lesson-topbar{z-index:15;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;grid-template-columns:1fr minmax(220px,420px) 1fr;align-items:center;min-height:64px;padding:0 30px;display:grid;position:sticky;top:0}.back-button,.help-button{background:0 0;border:0;padding:0;font-size:12px}.back-button{justify-self:start}.help-button{color:var(--green-dark);justify-self:end}.lesson-top-progress{align-items:center;gap:11px;display:flex}.lesson-top-progress>span{color:var(--muted);font-size:10px}.lesson-top-progress .progress-track{flex:1;margin:0}.lesson-frame{grid-template-columns:230px minmax(0,760px);justify-content:center;gap:54px;width:min(1100px,100% - 60px);margin:0 auto;padding:52px 0 100px;display:grid}.lesson-rail{align-self:start;position:sticky;top:100px}.track-pill,.word-level{background:var(--green-soft);min-height:24px;color:var(--green-dark);border-radius:4px;align-items:center;padding:0 8px;font-size:9px;font-weight:700;display:inline-flex}.track-pill.coral{background:var(--coral-soft);color:#a94735}.track-pill.yellow{background:var(--yellow-soft);color:#8b610f}.track-pill.blue{background:var(--blue-soft);color:#256488}.track-pill.ink{color:var(--ink);background:#e9ecea}.lesson-rail>h2{margin:12px 0 20px;font-size:17px}.lesson-rail nav{gap:4px;display:grid}.lesson-rail nav button{min-height:40px;color:var(--muted);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:5px;align-items:center;gap:9px;padding:0 9px;font-size:10px;display:flex}.lesson-rail nav button:hover,.lesson-rail nav button.active{color:var(--ink);background:#f2f6f3}.lesson-rail nav button.active{font-weight:700}.lesson-rail nav button>span{border:1px solid #d5ddd8;border-radius:50%;place-items:center;width:22px;height:22px;font-size:9px;display:grid}.lesson-rail nav button.active>span{border-color:var(--green);background:var(--green);color:#fff}.rail-outcome{border-left:3px solid var(--green);background:var(--green-soft);flex-direction:column;align-items:flex-start;margin-top:24px;padding:15px;display:flex}.rail-outcome svg{color:var(--green);margin-bottom:9px}.rail-outcome span{color:var(--muted);font-size:11px;font-weight:700}.rail-outcome strong{margin-top:6px;font-size:13px;line-height:1.6}.lesson-content{min-width:0}.lesson-intro{border-top:4px solid var(--blue);background:#f2f8fb;border-bottom:1px solid #c8dae4;padding:32px 34px}.lesson-intro h1{letter-spacing:0;margin-bottom:7px;font-size:38px;line-height:1.25}.lesson-plain-title{color:var(--green-dark);margin-bottom:22px;font-size:16px;font-weight:600}.lesson-intro>p:last-of-type{color:#40524a;max-width:660px;margin-bottom:24px;font-size:16px;line-height:1.75}.lesson-outcome{color:var(--green-dark);border-top:1px solid #bad1de;grid-template-columns:28px 1fr;align-items:start;gap:12px;padding-top:18px;display:grid}.lesson-outcome svg{margin-top:2px}.lesson-outcome div{gap:4px;display:grid}.lesson-outcome span{color:#37657c;font-size:12px;font-weight:700}.lesson-outcome strong{color:var(--ink);font-size:18px;line-height:1.55}.term-strip{border-bottom:1px solid var(--line);background:#fffaf0;align-items:center;gap:18px;padding:18px 20px;display:flex}.term-strip>span{color:#72530e;flex:none;font-size:12px;font-weight:700}.term-strip>div{flex-wrap:wrap;gap:5px;display:flex}.lesson-section{border-bottom:1px solid var(--line);padding:52px 0}.lesson-preview-section{background:var(--blue-soft);padding-left:28px;padding-right:28px}.example-section{background:#f7f8f7;padding-left:28px;padding-right:28px}.checkpoint-section{background:#f4faf6;padding-left:28px;padding-right:28px}.lesson-section-heading{align-items:flex-start;gap:14px;margin-bottom:25px;display:flex}.section-number{border:1px solid var(--ink);width:29px;height:29px;color:var(--ink);place-items:center;font-size:9px;font-weight:700;display:grid}.lesson-section-heading .eyebrow{margin-bottom:3px}.lesson-section-heading h2{margin:0;font-size:24px;line-height:1.4}.action-list{gap:12px;display:grid}.action-guidance{background:var(--blue-soft);color:#285c77;border:1px solid #bcd5e3;border-radius:6px;align-items:flex-start;gap:8px;margin:-4px 0 14px;padding:14px 16px;display:flex}.action-guidance svg{flex:none;margin-top:1px}.action-guidance p{margin:0;font-size:14px;font-weight:600;line-height:1.65}.action-step{border:1px solid #cbd7d0;border-left:4px solid var(--blue);background:#fff;border-radius:7px;grid-template-columns:44px 1fr;align-items:start;gap:18px;padding:25px 24px;transition:border-color .16s,background .16s;display:grid}.action-step.checked{background:#fbfefc;border-color:#afd0bd}.action-check{width:40px;height:40px;color:var(--muted);cursor:pointer;background:#fff;border:1px solid #bdc8c1;border-radius:50%;place-items:center;font-size:14px;font-weight:700;display:grid}.action-step.checked .action-check{border-color:var(--green);background:var(--green);color:#fff}.action-check.action-number{cursor:default;background:#f4f7f5}.action-copy h3{margin-bottom:9px;font-size:19px;line-height:1.45}.action-copy>p{color:#4c5c53;margin-bottom:17px;font-size:15px;line-height:1.75}.action-evidence{border-left:3px solid var(--yellow);background:#fffaf0;gap:5px;padding:11px 13px;display:grid}.action-evidence>span{color:#806622;align-items:center;gap:6px;font-size:11px;font-weight:700;display:flex}.cue-dot{background:var(--yellow);border-radius:50%;width:6px;height:6px}.action-evidence strong{color:#4b432c;font-size:14px;line-height:1.55}.action-result{color:var(--green-dark);align-items:flex-start;gap:7px;margin-top:11px;font-size:14px;font-weight:600;line-height:1.6;display:flex}.action-result svg{flex:none;margin-top:1px}.action-terms{flex-wrap:wrap;gap:5px;margin-top:10px;display:flex}.stuck-inline{background:var(--coral-soft);color:#8d3f30;text-align:left;cursor:pointer;border:1px solid #e5c2ba;border-radius:6px;align-items:center;gap:8px;width:100%;min-height:47px;margin-top:14px;padding:0 14px;font-size:13px;font-weight:700;display:flex}.stuck-inline svg:last-child{margin-left:auto}.lesson-visual-example{margin:0}.lesson-visual-example>button{cursor:zoom-in;background:#edf4f0;border:2px solid #9eb9aa;border-radius:7px;width:100%;padding:0;display:block;position:relative;overflow:hidden}.lesson-visual-example img{aspect-ratio:16/9;-o-object-fit:cover;object-fit:cover;width:100%;display:block}.lesson-visual-example>button>span{color:#fff;background:#11231ae6;border:1px solid #ffffff85;border-radius:5px;align-items:center;gap:7px;min-height:39px;padding:0 13px;font-size:12px;font-weight:700;display:inline-flex;position:absolute;bottom:14px;right:14px}.lesson-visual-example figcaption{border-bottom:1px solid #bed7c8;border-right:1px solid #bed7c8;border-left:4px solid var(--green);background:var(--green-soft);gap:4px;padding:15px 17px;display:grid}.lesson-visual-example figcaption strong{color:var(--green-dark);font-size:14px}.lesson-visual-example figcaption span{color:#344d40;font-size:15px;line-height:1.6}.worked-example{grid-template-columns:1fr 58px 1.3fr;align-items:stretch;gap:14px;margin-top:28px;display:grid}.worked-example>div:not(.example-arrow){border-radius:7px;padding:24px}.worked-example>div>span{align-items:center;gap:8px;margin-bottom:13px;font-size:14px;font-weight:700;display:flex}.worked-example>div>span b{color:#fff;border-radius:50%;place-items:center;width:24px;height:24px;font-size:11px;display:grid}.worked-example p{margin:0;font-size:16px;font-weight:600;line-height:1.7}.example-situation{background:var(--blue-soft);border:2px solid #9fc5da}.example-situation>span{color:#276986}.example-situation>span b{background:var(--blue)}.example-arrow{background:var(--ink);color:#fff;border-radius:50%;place-self:center;place-items:center;width:48px;height:48px;display:grid}.example-request{background:var(--green-soft);border:2px solid #91c6aa}.example-request>span{color:var(--green-dark)}.example-request>span b{background:var(--green)}.worked-example .example-result{color:#fff;background:#123f2e;border:0;grid-column:1/-1;padding:27px 28px}.worked-example .example-result>span{color:#bcebd2}.worked-example .example-result>span b{color:#0b3022;background:#45b985}.worked-example .example-result p{color:#fff;font-size:19px;line-height:1.65}.why-box{border-left:4px solid var(--yellow);background:var(--yellow-soft);align-items:flex-start;gap:10px;margin-top:12px;padding:17px 18px;display:flex}.why-box svg{color:#a56d00;flex:none}.why-box strong{margin-bottom:3px;font-size:14px;display:block}.why-box p{color:#5f512f;margin:0;font-size:14px;line-height:1.65}.lesson-visual-backdrop{z-index:130}.lesson-visual-dialog{background:#fff;border-radius:8px;width:min(1120px,100%);max-height:calc(100vh - 48px);padding:22px;overflow:auto;box-shadow:0 24px 70px #0819104d}.lesson-visual-dialog-head{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:17px;display:flex}.lesson-visual-dialog-head h2{margin:0;font-size:22px}.lesson-visual-dialog>img{aspect-ratio:16/9;-o-object-fit:contain;object-fit:contain;border:1px solid #b9c8bf;width:100%;display:block}.lesson-visual-dialog>p{border-left:4px solid var(--green);background:var(--green-soft);color:#2d493a;margin:15px 0 0;padding:14px 16px;font-size:14px;font-weight:600;line-height:1.65}.checkpoint-card{background:#fbfdfc;border:2px solid #afc8b9;border-radius:7px;padding:27px}.checkpoint-card h3{margin-bottom:18px;font-size:19px;line-height:1.6}.choice-list{gap:8px;display:grid}.choice-list button{text-align:left;cursor:pointer;background:#fff;border:1px solid #c6d1ca;border-radius:6px;grid-template-columns:28px 1fr 20px;align-items:center;gap:10px;min-height:58px;padding:10px 15px;font-size:15px;line-height:1.5;display:grid}.choice-list button:hover{border-color:#a8b6ae}.choice-list button>span{width:26px;height:26px;color:var(--muted);border:1px solid #cbd4ce;border-radius:50%;place-items:center;font-size:12px;font-weight:700;display:grid}.choice-list button.correct{border-color:var(--green);background:var(--green-soft);color:var(--green-dark)}.choice-list button.correct>span{border-color:var(--green);background:var(--green);color:#fff}.choice-list button.incorrect{background:var(--danger-soft);color:#89392e;border-color:#df9e92}.quiz-feedback{border-radius:5px;align-items:flex-start;gap:10px;margin-top:15px;padding:16px;font-size:14px;font-weight:600;line-height:1.65;display:flex}.quiz-feedback p{margin:0}.quiz-feedback.correct{color:#084b31;background:#dff5e8;border:2px solid #8ac6a6}.quiz-feedback.incorrect{background:var(--danger-soft);color:#8c3e32}.quiz-feedback svg{flex:none}.source-disclosure{border:1px solid var(--line);background:#fafbfa;border-radius:6px;margin-top:24px}.source-disclosure summary{min-height:48px;color:var(--muted);cursor:pointer;align-items:center;gap:8px;padding:0 14px;font-size:10px;font-weight:700;list-style:none;display:flex}.source-disclosure summary::-webkit-details-marker{display:none}.source-disclosure summary svg:last-child{margin-left:auto;transition:transform .15s}.source-disclosure[open] summary svg:last-child{transform:rotate(180deg)}.source-disclosure>div{padding:0 14px 12px}.source-disclosure a{border-top:1px solid var(--soft-line);padding:12px 34px 12px 0;text-decoration:none;display:grid;position:relative}.source-disclosure a:hover strong{color:var(--green-dark)}.source-disclosure a span,.source-disclosure a small{color:var(--muted);font-size:8px}.source-disclosure a strong{margin:3px 0;font-size:10px}.source-disclosure a svg{color:#8e9a93;position:absolute;top:18px;right:6px}.lesson-finish{background:#f8faf9;border:2px solid #aec9b9;border-radius:7px;justify-content:space-between;align-items:center;gap:20px;margin-top:28px;padding:25px;display:flex}.lesson-finish>div>strong{font-size:16px}.lesson-finish>div>p{color:var(--muted);margin:4px 0 0;font-size:13px;line-height:1.6}.completion-message{align-items:center;gap:11px;display:flex}.completion-message>svg{color:var(--green)}.completion-message p{color:var(--muted);margin:3px 0 0;font-size:10px}.saved-count{border:1px solid var(--line);background:#fff;border-radius:6px;grid-template-columns:24px auto auto;align-items:center;gap:6px;min-width:128px;padding:15px;display:grid}.saved-count svg{color:var(--green)}.saved-count strong{font-size:20px}.saved-count span{color:var(--muted);font-size:10px}.glossary-toolbar{border:1px solid var(--line);background:#fff;border-radius:7px;justify-content:space-between;align-items:center;gap:18px;margin-bottom:26px;padding:13px;display:flex}.search-box{background:#fafbfa;border:1px solid #cfd7d2;border-radius:5px;flex:1;align-items:center;gap:9px;max-width:540px;height:44px;padding:0 12px;display:flex}.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 3px #147a521c}.search-box svg{color:#7b8880}.search-box input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1;font-size:12px}.search-box button{cursor:pointer;background:0 0;border:0;place-items:center;width:28px;height:28px;display:grid}.level-tabs{gap:4px;display:flex}.level-tabs button{min-height:36px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:5px;padding:0 11px;font-size:10px;font-weight:700}.level-tabs button:hover{background:#f2f5f3}.level-tabs button.active{background:var(--green-soft);color:var(--green-dark);border-color:#c7d7cd}.glossary-result-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.glossary-result-head strong{font-size:12px}.glossary-result-head span{color:var(--muted);font-size:9px}.glossary-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.word-card{background:#fff;border:2px solid #aebbb2;border-top-width:4px;border-radius:7px;min-height:220px;transition:border-color .16s,box-shadow .16s;position:relative}.word-card:hover{border-color:var(--green);box-shadow:0 7px 18px #1b3e2a1a}.word-card-main{text-align:left;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:flex-start;width:100%;height:100%;min-height:218px;padding:22px;display:flex}.word-level{min-height:20px;padding:0 6px}.word-level.처음{background:var(--green-soft);color:var(--green-dark)}.word-level.만들기{background:var(--yellow-soft);color:#89610f}.word-level.공개하기{background:var(--blue-soft);color:#276a8e}.word-card h2{margin:17px 0 2px;font-size:21px}.word-card small{color:#75827a;font-size:15px;line-height:1.5}.word-card p{color:#48584f;margin:12px 0 20px;font-size:15px;line-height:1.75}.open-word{color:var(--green-dark);align-items:center;gap:6px;margin-top:auto;font-size:10px;font-weight:700;display:flex}.save-word{border:1px solid var(--line);color:#738078;cursor:pointer;background:#fff;border-radius:5px;place-items:center;width:36px;height:36px;display:grid}.save-word:hover,.save-word.saved{background:var(--green-soft);color:var(--green-dark);border-color:#acc7b6}.word-card>.save-word{position:absolute;top:16px;right:16px}.save-word.labeled{gap:6px;width:auto;min-height:36px;padding:0 10px;font-size:9px;font-weight:700;display:inline-flex}.empty-search{border:1px solid var(--line);text-align:center;background:#fff;flex-direction:column;justify-content:center;align-items:center;min-height:280px;display:flex}.empty-search svg{color:#9ba69f}.empty-search h2{margin:13px 0 6px;font-size:17px}.empty-search p{color:var(--muted);font-size:11px}.dialog-backdrop{z-index:100;background:#111c168a;justify-content:center;align-items:center;padding:24px;animation:.14s fade-in;display:flex;position:fixed;inset:0}.word-dialog-backdrop{justify-content:flex-end;padding:0}.term-dialog{background:#fff;width:min(480px,100%);height:100%;padding:28px 30px 36px;animation:.18s slide-in;overflow-y:auto;box-shadow:-20px 0 60px #10201729}.term-dialog-top,.dialog-title-row{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.term-dialog-top>div{gap:7px;display:flex}.icon-button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:5px;place-items:center;width:40px;height:40px;display:grid}.icon-button:hover{background:#f4f7f5}.term-title{border-bottom:1px solid var(--ink);margin-top:56px;padding-bottom:23px}.term-title>span{color:var(--green-dark);font-size:10px;font-weight:700}.term-title h2{margin:5px 0 2px;font-size:34px}.term-title p{color:#8d9992;margin:0;font-size:11px}.term-plain{color:var(--ink);margin:24px 0;font-size:16px;font-weight:600;line-height:1.7}.term-detail,.term-example{border:1px solid var(--line);border-radius:6px;margin-top:12px;padding:17px}.term-detail.analogy{background:var(--yellow-soft);border-color:#e7cf8f}.term-detail>span,.term-example>span,.related-terms>span{color:var(--muted);margin-bottom:7px;font-size:9px;font-weight:700;display:block}.term-detail p,.term-example p{margin:0;font-size:11px;line-height:1.7}.term-example{border-left:3px solid var(--green);background:#f8faf9}.term-example p{color:#385143;font-family:DM Sans,Noto Sans KR,sans-serif}.related-terms{margin-top:26px}.related-terms>div{flex-wrap:wrap;gap:7px;display:flex}.related-terms button{border:1px solid var(--line);min-height:34px;color:var(--green-dark);cursor:pointer;background:#fff;border-radius:5px;align-items:center;gap:6px;padding:0 10px;font-size:10px;font-weight:700;display:inline-flex}.rescue-dialog{background:#fff;border-radius:8px;width:min(520px,100%);max-height:calc(100vh - 48px);padding:28px;overflow-y:auto}.dialog-title-row .eyebrow{margin-bottom:4px}.dialog-title-row h2{margin:0;font-size:21px}.rescue-symptom{border-left:3px solid var(--coral);background:var(--coral-soft);align-items:flex-start;gap:11px;margin-top:24px;padding:16px;display:flex}.rescue-symptom svg{color:var(--coral);flex:none}.rescue-symptom span{color:#9d4a3a;font-size:9px;font-weight:700}.rescue-symptom p{color:#6f3d34;margin:3px 0 0;font-size:11px;line-height:1.6}.rescue-actions{gap:8px;margin:18px 0;padding:0;list-style:none;display:grid}.rescue-actions li{border:1px solid var(--line);border-radius:5px;grid-template-columns:28px 1fr;align-items:start;gap:11px;padding:13px;display:grid}.rescue-actions li>span{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:26px;height:26px;font-size:9px;font-weight:700;display:grid}.rescue-actions p{margin:3px 0 0;font-size:11px;line-height:1.6}.rescue-safety{color:var(--muted);background:#f4f6f4;align-items:flex-start;gap:9px;margin-bottom:19px;padding:12px;display:flex}.rescue-safety svg{color:var(--green);flex:none}.rescue-safety p{margin:0;font-size:9px;line-height:1.6}.mobile-header,.mobile-bottom-nav,.mobile-menu{display:none}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}@media (width<=1080px){.desktop-sidebar{width:218px}.academy-main{margin-left:218px}.page{width:min(100% - 44px,980px)}.today-panel{grid-template-columns:1fr .75fr}.today-copy{padding:34px}.learning-stats{grid-template-columns:repeat(3,.6fr)}.learning-stats .stat-message{border-top:1px solid var(--soft-line);grid-column:1/-1;min-height:70px}.word-prompt{grid-template-columns:.6fr 1.4fr}.lesson-frame{grid-template-columns:190px minmax(0,690px);gap:34px}}@media (width<=820px){body{background:#fff}.desktop-sidebar{display:none}.academy-main{margin-left:0;padding-top:58px}.mobile-header{z-index:40;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff7;grid-template-columns:42px auto 1fr 42px;align-items:center;gap:8px;height:58px;padding:0 12px;display:grid;position:fixed;inset:0 0 auto}.mobile-header .icon-button{border:0;width:38px;height:38px}.mobile-brand{cursor:pointer;background:0 0;border:0;padding:0;font-size:11px;font-weight:700}.mobile-progress{justify-content:flex-end;align-items:center;gap:7px;min-width:80px;display:flex}.mobile-progress span{color:var(--green-dark);font-size:9px;font-weight:700}.mobile-progress i{background:#e3e8e5;width:45px;height:4px;display:block;overflow:hidden}.mobile-progress b{background:var(--green);height:100%;display:block}.mobile-bottom-nav{z-index:45;height:64px;padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--line);background:#fffffffa;grid-template-columns:repeat(3,1fr);display:grid;position:fixed;inset:auto 0 0}.mobile-bottom-nav button{color:#7b877f;cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:9px;display:flex}.mobile-bottom-nav button.active{color:var(--green-dark)}.mobile-menu{background:#fff;border-radius:8px;width:min(390px,100%);max-height:calc(100vh - 32px);padding:24px;display:block;overflow-y:auto}.mobile-menu-progress{background:var(--green-soft);grid-template-columns:1fr auto;gap:4px;margin:25px 0;padding:14px;display:grid}.mobile-menu-progress span{color:var(--muted);font-size:10px}.mobile-menu-progress strong{font-size:12px}.mobile-menu-progress .progress-track{grid-column:1/-1}.mobile-menu nav{gap:5px;margin-bottom:25px;display:grid}.page{width:100%;padding:30px 18px 96px}.page-heading{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:25px}.page-heading h1{font-size:31px;line-height:1.28}.page-heading p{font-size:13px}.desktop-only{display:none}.today-panel{grid-template-columns:1fr;min-height:0}.today-copy{padding:25px 22px 28px}.today-kicker{margin-bottom:24px}.today-copy h2{font-size:23px}.today-visual{grid-row:1;min-height:245px}.learning-stats{grid-template-columns:repeat(3,1fr);margin-bottom:48px}.learning-stats>div{min-height:90px;padding:15px 12px}.learning-stats strong{font-size:22px}.section-heading{flex-direction:column;align-items:flex-start;gap:8px}.track-row{grid-template-columns:32px 1fr auto 17px;gap:10px;min-height:78px;padding:0 12px}.track-outcome{display:none}.track-count{width:32px}.word-prompt{grid-template-columns:1fr}.word-prompt>div:first-child{min-height:220px;padding:28px}.word-prompt>div:first-child>svg{margin-bottom:34px}.word-samples{grid-template-columns:1fr}.word-samples>button{border-right:0;border-bottom:1px solid var(--line);min-height:130px}.word-samples>button svg{position:absolute;right:22px}.course-principles{grid-template-columns:repeat(2,1fr)}.course-principles span{border-bottom:1px solid var(--line);min-height:56px}.course-principles span:nth-child(2){border-right:0}.map-track-head{grid-template-columns:32px 1fr;align-items:start;padding:20px 16px}.map-track-progress{text-align:left;grid-column:2}.map-lessons{padding:0 14px}.map-lessons>button{grid-template-columns:28px 1fr 16px;min-height:72px}.lesson-time,.blocked-label{display:none}.lesson-page{margin-top:0}.lesson-topbar{grid-template-columns:auto 1fr auto;min-height:58px;padding:0 14px;top:58px}.lesson-top-progress{padding:0 12px}.help-button{width:40px;font-size:0}.lesson-frame{width:100%;padding:28px 18px 96px;display:block}.lesson-rail{display:none}.lesson-intro h1{font-size:30px}.lesson-intro{margin:0 -18px;padding:26px 20px}.lesson-plain-title{font-size:16px}.term-strip{flex-direction:column;align-items:flex-start;gap:8px}.lesson-section{padding:40px 0}.lesson-preview-section,.example-section,.checkpoint-section{margin:0 -18px;padding:40px 18px}.action-step{grid-template-columns:38px 1fr;gap:14px;padding:20px 16px}.action-check{width:36px;height:36px}.worked-example{grid-template-columns:1fr}.example-arrow{border:0;width:48px;min-height:48px;transform:rotate(90deg)}.worked-example .example-result{grid-column:1}.lesson-visual-example>button>span{min-height:36px;bottom:9px;right:9px}.lesson-visual-dialog{padding:15px}.lesson-visual-dialog-head h2{font-size:18px}.lesson-finish{flex-direction:column;align-items:stretch}.lesson-finish .primary-button{width:100%}.glossary-toolbar{flex-direction:column;align-items:stretch}.search-box{max-width:none}.level-tabs{overflow-x:auto}.level-tabs button{flex:1 0 auto}.glossary-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=520px){.dialog-backdrop{padding:12px}.page-heading h1{font-size:28px}.today-visual{min-height:210px}.visual-caption{gap:5px;font-size:9px}.learning-stats{grid-template-columns:repeat(3,1fr)}.learning-stats span{font-size:9px}.learning-stats strong{font-size:19px}.stat-message{grid-column:1/-1}.section-heading h2{font-size:21px}.track-copy strong{font-size:13px}.course-principles{grid-template-columns:1fr}.course-principles span{border-right:0}.map-track-head{grid-template-columns:28px 1fr}.glossary-grid{grid-template-columns:1fr}.word-card{min-height:190px}.word-card-main{min-height:188px}.term-dialog{padding:22px 20px 30px}.term-title{margin-top:40px}.term-title h2{font-size:30px}.rescue-dialog{max-height:calc(100vh - 24px);padding:22px 18px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.welcome-intro{z-index:100;color:#17372d;isolation:isolate;background:#dff3ec;min-width:320px;min-height:100svh;position:fixed;inset:0;overflow:hidden}.welcome-intro.leaving{pointer-events:none;animation:.52s cubic-bezier(.4,0,.2,1) both intro-leave}.intro-sky{z-index:-1;background:#dff3ec;position:absolute;inset:0;overflow:hidden}.intro-sky:before{content:"";background:#ffffff47;height:38%;position:absolute;inset:0 0 auto}.intro-sky:after{content:"";opacity:.42;background:#c9e7dc;border-radius:50% 50% 0 0;height:38%;animation:7s ease-in-out infinite alternate intro-light-breathe;position:absolute;inset:auto -10% -20%}.intro-cloud{filter:blur(.2px);background:#ffffffb8;border-radius:999px;width:178px;height:44px;display:block;position:absolute}.intro-cloud i{background:inherit;border-radius:50%;display:block;position:absolute;bottom:12px}.intro-cloud i:first-child{width:52px;height:52px;left:24px}.intro-cloud i:nth-child(2){width:76px;height:76px;left:66px}.intro-cloud i:nth-child(3){width:44px;height:44px;right:12px}.cloud-one{animation:19s linear infinite cloud-drift-one;top:17%;left:-190px}.cloud-two{opacity:.68;width:220px;animation:25s linear infinite cloud-drift-two;top:36%;right:-220px}.cloud-three{opacity:.45;width:150px;animation:28s linear 5s infinite cloud-drift-one;top:68%;left:-180px}.intro-brand{z-index:3;opacity:0;align-items:center;gap:12px;animation:.52s ease-out .12s both intro-brand-in;display:flex;position:absolute;top:clamp(22px,4vh,42px);left:clamp(20px,4vw,58px)}.intro-brand>span{color:#fff;background:#17372d;border-radius:6px;place-items:center;width:42px;height:42px;font-size:18px;font-weight:700;display:grid}.intro-brand strong,.intro-brand small{letter-spacing:0;display:block}.intro-brand strong{font-size:17px;line-height:1.2}.intro-brand small{color:#527065;margin-top:3px;font-size:11px;font-weight:600}.intro-stage{position:absolute;inset:0}.intro-dragon{opacity:0;will-change:transform, opacity;width:clamp(280px,34vw,500px);animation:3.05s cubic-bezier(.2,.72,.28,1) both dragon-flight;position:absolute;top:43%;left:50%}.intro-dragon img{filter:drop-shadow(0 22px 20px #17372d2e);transform-origin:74% 80%;-webkit-user-select:none;user-select:none;width:100%;height:auto;animation:.68s ease-in-out 3.08s both dragon-greeting;display:block}.dragon-shadow{filter:blur(8px);opacity:0;background:#17372d2b;border-radius:50%;width:clamp(120px,17vw,230px);height:24px;animation:.9s ease-out 2.28s both dragon-shadow-land;position:absolute;top:calc(43% + clamp(112px,13vw,185px));left:50%;transform:translate(-50%)scaleX(.35)}.intro-greeting{z-index:3;text-align:center;justify-items:center;display:grid;position:absolute;bottom:clamp(34px,7vh,76px);left:20px;right:20px}.intro-greeting p{opacity:0;word-break:keep-all;max-width:720px;margin:0;font-size:25px;font-weight:700;line-height:1.45;animation:.52s ease-out 3.08s both intro-copy-in;transform:translateY(14px)}.intro-greeting button{color:#fff;opacity:0;cursor:pointer;background:#0b6c47;border:0;border-radius:6px;justify-content:center;align-items:center;gap:9px;min-width:154px;min-height:52px;margin-top:22px;padding:0 24px;font-size:16px;font-weight:700;animation:.56s cubic-bezier(.2,.78,.24,1) 3.58s both intro-button-in;display:inline-flex;transform:translateY(24px);box-shadow:0 10px 24px #0b6c4733}.intro-greeting button:not(:disabled):hover{background:#075738;transform:translateY(-2px)}.intro-greeting button svg{transition:transform .18s}.intro-greeting button:not(:disabled):hover svg{transform:translate(3px)}@keyframes cloud-drift-one{0%{transform:translate(0)}to{transform:translate(calc(100vw + 420px))}}@keyframes cloud-drift-two{0%{transform:translate(0)}to{transform:translate(calc(-100vw - 480px))}}@keyframes intro-light-breathe{0%{transform:translateY(8%)scaleX(1)}to{transform:translateY(-4%)scaleX(1.06)}}@keyframes intro-brand-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes dragon-flight{0%{opacity:0;transform:translate(-50%,-50%)translate(60vw,-48vh)rotate(-15deg)scale(.42)}14%{opacity:1}28%{transform:translate(-50%,-50%)translate(37vw,-31vh)rotate(-10deg)scale(.58)}52%{transform:translate(-50%,-50%)translate(13vw,-14vh)rotate(-4deg)scale(.78)}70%{transform:translate(-50%,-50%)translate(-5vw,-5vh)rotate(5deg)scale(.94)}80%{transform:translate(-50%,-50%)translate(1vw,14px)rotate(-2deg)scale(1.05,.93)}90%{transform:translate(-50%,-50%)translateY(-11px)rotate(1deg)scale(.98,1.03)}96%{transform:translate(-50%,-50%)translateY(5px)rotate(0)scale(1.01,.98)}to{opacity:1;transform:translate(-50%,-50%)translate(0)rotate(0)scale(1)}}@keyframes dragon-shadow-land{0%{opacity:0;transform:translate(-50%)scaleX(.35)}46%{opacity:.12;transform:translate(-50%)scaleX(.62)}72%{opacity:1;transform:translate(-50%)scaleX(1.06)}to{opacity:.85;transform:translate(-50%)scaleX(1)}}@keyframes dragon-greeting{0%,to{transform:rotate(0)translateY(0)}25%{transform:rotate(-2.8deg)translateY(-3px)}52%{transform:rotate(2.4deg)translateY(0)}76%{transform:rotate(-1.4deg)translateY(-1px)}}@keyframes intro-copy-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes intro-button-in{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes intro-leave{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.015)}}@media (width<=720px){.intro-brand{top:20px;left:18px}.intro-brand>span{width:38px;height:38px;font-size:16px}.intro-brand strong{font-size:15px}.intro-dragon{width:min(92vw,390px);top:42%}.dragon-shadow{width:min(45vw,185px);height:19px;top:calc(42% + min(32vw,132px))}.intro-greeting{bottom:max(30px,6vh)}.intro-greeting p{max-width:330px;font-size:21px}.intro-greeting button{min-width:146px;min-height:50px;margin-top:18px}.cloud-two{top:29%}.cloud-three{top:62%}}@media (height<=680px){.intro-dragon{width:min(64vh,390px);top:40%}.dragon-shadow{top:calc(40% + min(20vh,135px))}.intro-greeting{bottom:22px}.intro-greeting p{font-size:20px}.intro-greeting button{min-height:46px;margin-top:12px}}@media (prefers-reduced-motion:reduce){.welcome-intro *,.welcome-intro :before,.welcome-intro :after{animation-delay:0s!important}.intro-brand,.intro-dragon,.intro-greeting p,.intro-greeting button{opacity:1;transform:none}.intro-dragon{transform:translate(-50%,-50%)}.dragon-shadow{opacity:.85;transform:translate(-50%)scaleX(1)}}
