.learn-studio{height:100%;min-height:0;display:flex;flex-direction:column;color:#45345d}.learn-studio *{box-sizing:border-box}.learn-studio button{min-height:44px;min-width:44px;border:1px solid #dfcdea;border-radius:13px;padding:9px 14px;background:#fff;color:#624c77;font:inherit;font-weight:750;cursor:pointer;touch-action:manipulation;box-shadow:0 2px 0 #eee3f4}.learn-studio button:hover:not(:disabled){background:#faf0ff;border-color:#b99bd0}.learn-studio button:focus-visible{outline:3px solid #38a1d2;outline-offset:3px}.learn-studio button:disabled{opacity:.4;cursor:default;box-shadow:none}.learn-studio .ls-primary{background:#7850bf;border-color:#7850bf;color:#fff;box-shadow:0 3px 0 #57338f}.ls-stage-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;flex:none;margin-bottom:10px}.ls-stage-nav button{display:flex;align-items:center;gap:8px;text-align:left;font-size:13px;padding:10px 11px;background:#faf6ff;min-height:52px}.ls-stage-nav button>span{font-size:11px;border-radius:50%;background:white;padding:4px 7px;color:#a885bf}.ls-stage-nav button.is-current{background:#ebdfff;border-color:#b59bd8}.ls-card{border:1px solid #e5d6ee;border-radius:25px;background:linear-gradient(135deg,#fff 65%,#fff6fb);padding:21px 23px;box-shadow:0 9px 28px #63447d0c;flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.ls-current{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-right:3px;flex:1}.ls-footer{display:flex;align-items:center;justify-content:space-between;gap:9px;border-top:1px solid #eee2f3;padding-top:13px;margin-top:13px;flex:none;background:#fffafd}.ls-footer>span{font-size:10px;color:#aa91b7}.ls-footer button{font-size:13px;padding:8px 12px}.ls-save-note{font-size:10px;text-align:center;color:#ac99b7;margin:7px 0 0;flex:none}.ls-kicker{font-size:10px;letter-spacing:.09em;font-weight:850;color:#ac7eae}.ls-scene-intro h3{font-size:23px;line-height:1.35;margin:7px 0}.ls-scene-intro p{font-size:13px;line-height:1.7;color:#8b7896;margin:8px 0 12px}.ls-scene-intro button{font-size:13px}.ls-clue{background:#f7f1ff;border:1px solid #eee1f7;border-radius:20px;padding:17px;margin-top:17px}.ls-clue-label{display:flex;gap:11px;align-items:center}.ls-clue-label b{font-size:14px}.ls-clue-label small{display:block;font-size:10px;color:#9c84ac;margin-top:5px}.ls-face{width:63px;height:63px;object-fit:cover;object-position:center 25%;border:3px solid #fff;box-shadow:0 4px 12px #7c578224;border-radius:20px;flex-shrink:0}.ls-face.ls-small{width:43px;height:43px;border-radius:14px}.ls-fallback{display:grid;place-items:center;background:#eadfff;color:#b08cc9;font-size:29px}.ls-clue h4{font-size:23px;line-height:1.4;margin:14px 0 12px}.ls-question-ko{font-size:13px;line-height:1.5;color:#8a739b}.ls-clue-options{display:grid;gap:7px}.ls-clue-options button{display:flex;gap:11px;align-items:center;text-align:left;padding:10px 13px;font-size:18px;line-height:1.4}.ls-clue-options button>span{font-size:10px;color:#b19abe;background:#f1e9f9;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;flex:none}.ls-clue-options button.is-correct{background:#e7f7ee;border-color:#91c6af;color:#397e62}.ls-clue-options button.is-retry{background:#fff3df;border-color:#e4ca93;color:#a3854b}.ls-clue-feedback{font-size:12px;line-height:1.6;color:#a08457;margin:10px 0 0;min-height:18px}.ls-clue-feedback.is-correct{color:#43876c}.ls-story-detail{margin-top:12px;border-radius:13px;background:#fff7e9;padding:12px 14px}.ls-story-detail summary{font-size:12px;font-weight:750;cursor:pointer;min-height:30px;display:flex;align-items:center}.ls-story-detail p{font-size:13px;line-height:1.75;color:#8b7689}.ls-story-detail p[lang=en],.ls-story-detail strong{font-size:16px;line-height:1.7;color:#795e84}.ls-dialogue-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.ls-dialogue-tabs button{font-size:12px;padding:8px 11px;background:#faf6ff}.ls-dialogue-tabs .is-active{background:#e9ddff;border-color:#b49ace}.ls-source-label{font-size:11px;line-height:1.6;color:#aa91b5;margin:0 0 16px}.ls-lines{display:grid;gap:18px}.ls-line{display:flex;gap:12px;align-items:flex-start}.ls-line.is-right{flex-direction:row-reverse}.ls-speech{background:#f5edff;border:1px solid #eadcf6;border-radius:3px 21px 21px 21px;padding:16px;flex:1;min-width:0}.ls-line.is-right .ls-speech{background:#fff2f7;border-color:#f2deea;border-radius:21px 3px 21px 21px}.ls-speaker{font-size:10px;font-weight:800;color:#a283b5}.ls-speech p{font-size:23px;font-weight:750;line-height:1.45;margin:9px 0}.ls-speech small{display:block;color:#957f9e;font-size:13px;line-height:1.6}.ls-speech button{font-size:11px;margin-top:12px;padding:8px 11px;min-height:44px}.ls-line-pages{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px}.ls-line-pages button{font-size:12px}.ls-line-pages>span{font-size:11px;color:#ad92ba}.ls-role-tip{font-size:12px;color:#a68aaf;line-height:1.7;margin:15px 0 0}.ls-focus-guide{display:flex;gap:14px;align-items:center;margin:6px 0 20px}.ls-focus-guide h3{font-size:22px;margin:7px 0;line-height:1.3}.ls-chunks{display:flex;flex-wrap:wrap;gap:8px}.ls-chunk{padding:15px;border-radius:16px;display:flex;flex-direction:column;gap:8px;flex:1 0 auto;text-align:center}.ls-chunk strong{font-size:23px}.ls-chunk span{font-size:11px;color:#967698}.ls-chunk-0{background:#f1e4ff}.ls-chunk-1{background:#ffeddc}.ls-chunk-2{background:#e8f6ff}.ls-chunk-3{background:#e8f6ed}.ls-focus-sentence{font-size:23px;font-weight:800;line-height:1.6;margin:18px 0 8px}.ls-focus-meaning{font-size:13px;color:#917a9e;line-height:1.6}.ls-focus-tip{background:#fff7dc;border-radius:16px;padding:15px;margin:15px 0;font-size:14px;line-height:1.75;color:#8f7948}.ls-focus>button{font-size:13px}.ls-swaps{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}.ls-swaps>p{flex-basis:100%;font-size:12px;color:#aa8bb6;margin:0 0 5px}.ls-swaps>button{font-size:16px;line-height:1.5}.ls-word-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 13px}.ls-word-top>span:last-child{font-size:12px;color:#ae8dba}.ls-word-dots{display:flex;justify-content:center;gap:8px;margin:6px 0 17px}.ls-word-dots i{width:9px;height:9px;border-radius:50%;background:#eadef0}.ls-word-dots .is-current{background:#b286d3;outline:3px solid #efdefb;outline-offset:2px}.ls-word-dots .is-remembered{background:#7cbea5}.ls-flashcard{display:flex;align-items:center;justify-content:center;gap:25px;min-height:220px;background:linear-gradient(130deg,#f0e3ff,#fff0f7 60%,#e8f7ff);border:1px solid #e9d6ef;border-radius:26px;padding:29px}.ls-flashcard>.ls-face{width:105px;height:105px;border-radius:30px}.ls-word-copy{min-width:0;flex:1;text-align:center}.ls-word-copy h3{font-size:clamp(34px,4.5vw,55px);line-height:1.2;margin:2px 0 13px;color:#7f4da9;overflow-wrap:anywhere}.ls-word-meaning{font-size:22px;font-weight:750;color:#ac6d92;line-height:1.5;margin:8px 0}.ls-word-secret{font-size:14px;color:#b18eae;margin:19px 0}.ls-word-example{padding-top:15px;border-top:1px solid #ead5e9;margin-top:15px}.ls-word-example p{font-size:22px;line-height:1.5;font-weight:750;margin:0 0 10px}.ls-word-example small{font-size:13px;line-height:1.6;color:#a08299}.ls-word-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:19px}.ls-word-actions button{font-size:13px}.ls-word-actions button[aria-pressed=true]{background:#ebf7ee;border-color:#a8cdb7;color:#4f8d6d}.ls-word-note{font-size:11px;color:#aa95b3;line-height:1.6;text-align:center;margin:12px 0}.ls-word-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:19px 0 5px}.ls-word-nav button{font-size:13px}.ls-word-nav>span{font-size:12px;color:#a48bb2}.ls-error{font-size:12px;color:#a17862;line-height:1.6}
@media(min-width:750px) and (max-height:850px){.ls-stage-nav{margin-bottom:8px}.ls-stage-nav button{min-height:46px;padding:8px 10px;font-size:12px}.ls-card{padding:15px 18px}.ls-scene-intro h3{font-size:21px;margin:5px 0}.ls-scene-intro p{font-size:12px;line-height:1.5;margin:7px 0 9px}.ls-clue{padding:13px;margin-top:13px}.ls-clue h4{font-size:21px;line-height:1.35;margin:10px 0}.ls-clue-options button{min-height:44px;font-size:17px;padding:8px 11px}.ls-clue-label .ls-face{width:36px;height:36px}.ls-clue-feedback{font-size:11px;line-height:1.45}.ls-story-detail{padding:8px 12px;margin-top:10px}.ls-footer{padding-top:10px;margin-top:10px}.ls-footer button{font-size:12px}.ls-speech{padding:13px}.ls-speech p{font-size:21px;margin:7px 0}.ls-speech small{font-size:12px}.ls-speech button{margin-top:9px}.ls-lines{gap:13px}.ls-line>.ls-face{width:52px;height:52px;border-radius:17px}.ls-source-label{margin-bottom:12px}.ls-dialogue-tabs{margin-bottom:10px}.ls-role-tip{font-size:11px;margin-top:12px}.ls-flashcard{min-height:190px;padding:22px}.ls-flashcard>.ls-face{width:84px;height:84px;border-radius:25px}.ls-word-copy h3{font-size:42px}.ls-word-meaning{font-size:20px}.ls-word-example p{font-size:20px}.ls-word-actions{margin-top:15px}.ls-word-nav{margin-top:13px}.ls-focus-guide{margin-bottom:14px}.ls-focus-guide h3{font-size:21px}.ls-focus-guide .ls-face{width:51px;height:51px}.ls-chunk{padding:12px}.ls-chunk strong{font-size:21px}.ls-focus-sentence{font-size:21px;margin-top:14px}.ls-focus-tip{font-size:13px;padding:12px;margin:12px 0}}
@media(max-width:650px){.ls-card{padding:15px;border-radius:21px}.ls-stage-nav{gap:5px}.ls-stage-nav button{font-size:11px;padding:8px 6px;gap:5px}.ls-stage-nav button>span{font-size:10px;padding:3px 5px}.ls-scene-intro h3{font-size:20px}.ls-clue{padding:13px}.ls-clue h4{font-size:20px}.ls-clue-options button{font-size:16px;padding:9px 10px}.ls-footer>span{display:none}.ls-footer button{font-size:12px}.ls-face{width:49px;height:49px;border-radius:16px}.ls-line{gap:8px}.ls-speech{padding:12px}.ls-speech p{font-size:20px}.ls-speech small{font-size:12px}.ls-dialogue-tabs{gap:5px}.ls-dialogue-tabs button{font-size:11px;padding:8px 10px}.ls-flashcard{padding:20px;gap:16px;flex-direction:column}.ls-flashcard>.ls-face{width:73px;height:73px;border-radius:22px}.ls-word-copy h3{font-size:37px}.ls-word-example p{font-size:19px}.ls-word-actions button{font-size:12px;padding:9px 12px}.ls-word-nav button{font-size:12px}.ls-focus-guide h3{font-size:20px}.ls-chunk strong{font-size:20px}.ls-chunk{padding:12px}.ls-focus-sentence{font-size:21px}}
@media(prefers-reduced-motion:reduce){.learn-studio *{animation:none!important;transition:none!important}}
.ls-language-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;flex:none}.ls-language-bar>span{font-size:12px;line-height:1.4;color:#755d89}.ls-language-bar button{font-size:12px;padding:7px 13px;min-height:44px;background:#f7f0ff}.ls-language-bar button[aria-pressed=true]{background:#e9dcff;border-color:#ad8acb}.ls-korean-help{border-left:3px solid #d9bde7;padding-left:13px;margin:12px 0}.ls-korean-help p{color:#705d80}.ls-stage-nav button{font-size:14px;min-height:54px}.ls-scene-intro h3{font-size:25px;color:#513367}.ls-scene-intro p,.ls-source-label,.ls-role-tip{color:#765e87;font-size:13px}.ls-clue h4{font-size:24px;line-height:1.45;color:#493156}.ls-clue-options{gap:10px}.ls-clue-options button{min-height:60px;padding:13px 15px;font-size:19px;color:#533a66;border-width:2px}.ls-clue-options button>span{width:27px;height:27px;font-size:12px}.ls-clue-feedback{font-size:14px;color:#86672f;min-height:22px}.ls-clue .ls-explain-toggle{font-size:12px;min-height:44px;background:#fffaf1;margin-top:7px}.ls-clue-label small{font-size:12px;color:#7f6292}.ls-story-detail summary{min-height:44px;font-size:14px}.ls-story-detail p[lang=en],.ls-story-detail strong{font-size:18px;line-height:1.7;color:#684c77}.ls-story-detail .ls-story-connect{border-top:1px solid #eadcc7;padding-top:12px}.ls-word-dots .is-reviewed{background:#88b9dd}.ls-word-dots .is-remembered{background:#7cbea5}.ls-word-top>span:last-child{color:#755787;font-weight:750}.ls-word-note{font-size:13px;color:#795f8d}.ls-word-example p{color:#554264}.ls-word-secret{color:#8a648a}.ls-speech p{color:#56386d}.ls-speech button,.ls-dialogue-tabs button{font-size:13px}.ls-focus-tip{color:#715e31}.ls-footer button{min-height:48px}.ls-footer>span{color:#826690;font-size:11px}.ls-save-note{color:#8e779a}
@media(max-width:650px){.ls-language-bar>span{font-size:11px;max-width:155px}.ls-language-bar button{font-size:11px;padding:7px 10px}.ls-stage-nav button{font-size:12px;min-height:54px;gap:5px}.ls-clue h4{font-size:22px}.ls-clue-options button{min-height:60px;font-size:18px;padding:12px}.ls-scene-intro h3{font-size:23px}.ls-footer button{font-size:12px}.ls-story-detail p[lang=en],.ls-story-detail strong{font-size:17px}}