@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--ink:#252a36;--muted:#858895;--purple:#7163ca;--line:#e9e8ee;--paper:#faf9f6}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans KR',sans-serif;font-size:14px}button,input,textarea,select{font:inherit}button,a,label.button{cursor:pointer}button{transition:.18s}button:hover{filter:brightness(.96);transform:translateY(-1px)}button:focus-visible,a:focus-visible{outline:3px solid #b8aff7;outline-offset:3px}[hidden]{display:none!important}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:white;border-right:1px solid var(--line);padding:35px 24px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:22px;font-weight:800}.brand small{display:block;font-size:11px;letter-spacing:.6px;font-weight:500;margin-top:3px}.logo{background:var(--purple);color:white;border-radius:12px;font-size:30px;width:43px;text-align:center}.workspace{font-size:11px;color:#92919e;margin:42px 0 15px}.workspace span{font-size:8px;background:#f0edf8;padding:3px;border-radius:4px;float:right}nav{display:grid;gap:8px}nav button{background:none;border:0;text-align:left;padding:13px;border-radius:9px;font-size:17px;color:#90909b;display:flex;gap:13px;align-items:center}nav span{font-size:13px}nav button.active{background:#f0edf9;color:var(--purple);font-weight:700}nav b{font-size:10px;margin-left:auto}.sidebar-bottom{margin-top:auto;font-size:11px;color:var(--muted)}.sidebar-bottom strong{color:#676273;font-size:13px}.sidebar-bottom p{line-height:1.9}.help-icon{color:var(--purple);font-size:30px;margin-bottom:12px}.avatar{display:inline-block;background:#efeaf8;border-radius:50%;padding:7px 11px;margin-top:30px;margin-right:7px;color:var(--purple)}.shell{margin-left:230px}header{height:79px;display:flex;justify-content:space-between;align-items:center;padding:0 45px;border-bottom:1px solid var(--line);background:#fffdf9;font-size:10px;letter-spacing:1.1px;color:#8c8b94}.crumb{letter-spacing:0;margin-left:15px;color:#aba8b1}.save-state{letter-spacing:0;font-size:11px;color:#789783}main{max-width:1500px;margin:auto;padding:42px 45px}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:32px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--purple)}h1{font-size:30px;letter-spacing:-1.4px;margin:10px 0 12px;font-weight:800}h1 span{color:#c3ae76;font-size:24px;margin-left:12px}.heading p{color:var(--muted);font-size:13px;margin:0;line-height:1.8}.button{border:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:8px;font-weight:600;font-size:12px;text-decoration:none}.secondary{background:white;border:1px solid var(--line);color:#625e74}.primary{background:var(--purple);color:white}.small{font-size:10px;padding:8px 10px}.studio-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:24px;align-items:start}.editor{background:white;border:1px solid var(--line);border-radius:14px;padding:25px 27px}.steps{display:flex;gap:22px;border-bottom:1px solid var(--line);padding-bottom:21px;color:#b0adb8;font-size:10px}.steps .active{color:var(--purple);font-weight:700}.section-top{display:flex;align-items:center;justify-content:space-between;margin:25px 0 22px;gap:12px}h2{font-size:16px;letter-spacing:-.4px;margin:0;font-weight:700}.number{color:var(--purple);background:#f3f0fb;font-size:10px;border-radius:5px;padding:5px;margin-right:8px}.section-top p{font-size:11px;color:var(--muted);margin:9px 0 0}.fields{display:flex;gap:14px;margin-bottom:26px}.fields label{flex:1;font-size:10px;color:#807b8b}.fields .author-field{max-width:170px}input:not([type=radio]),textarea,select{width:100%;border:1px solid var(--line);background:#fcfbfd;border-radius:7px;padding:10px;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:var(--purple)}.fields input{display:block;margin-top:8px;font-size:11px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.card-title{font-size:11px;font-weight:700;margin-bottom:8px}.card-title b{font-size:10px;background:#f6eee0;color:#ad8957;padding:3px 5px;border-radius:4px;margin-right:4px}.upload{height:142px;border:1px dashed #d9d5e5;background:#faf8fe;border-radius:9px;position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#a49bb8;font-size:10px}.upload .upload-icon{font-size:26px;color:#b9aed0;margin-bottom:8px}.upload img{width:100%;height:100%;object-fit:cover}.upload .replace{position:absolute;bottom:7px;background:#fffffff0;padding:5px 10px;border-radius:5px;color:#665c78;font-size:9px}.cards textarea{font-size:11px;line-height:1.7;resize:vertical;min-height:98px;margin-top:10px}.cards .hint{font-size:9px;margin:7px 0 0}.second{border-top:1px solid var(--line);padding-top:25px;margin-top:28px}.choices{display:flex;gap:9px;flex-wrap:wrap}.choices button{border:1px solid var(--line);background:white;border-radius:6px;color:#86808f;font-size:11px;padding:10px 14px}.choices button.selected{border-color:#c2b9ed;background:#f3effd;color:var(--purple)}.voice-bar{display:flex;gap:18px;align-items:center;font-size:11px;flex-wrap:wrap}.voice-bar input{accent-color:var(--purple)}.text-button{border:0;background:none;color:var(--purple);font-size:11px;margin-left:auto}.hint{font-size:10px;color:#92909a;line-height:1.7}.preview-panel{background:#292a45;color:white;border-radius:14px;padding:23px;position:sticky;top:20px;box-shadow:0 10px 35px #292a4515}.preview-top{display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:1.3px;color:#b3afca}.tag{background:#ffffff0d;border-radius:4px;padding:4px 6px;letter-spacing:0;font-size:8px}.preview-panel h2{margin:17px 0;font-size:17px}.screen{aspect-ratio:4/3;background:#36364f;border-radius:8px;position:relative;overflow:hidden}.screen>img{width:100%;height:100%;object-fit:cover;display:none}.empty-screen{display:flex;height:100%;align-items:center;justify-content:center;flex-direction:column;color:#bab4d0;text-align:center;font-size:11px;line-height:1.8}.empty-screen span{font-size:37px;color:#ccc2e8}.play-button{position:absolute;right:10px;bottom:10px;border:0;border-radius:50%;width:30px;height:30px;background:white;color:#4f4668;font-size:11px}.caption{position:absolute;bottom:12px;left:10px;right:47px;font-size:10px;text-shadow:0 1px 3px black;background:#0006;border-radius:3px;padding:5px;display:none}.thumbnails{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:12px}.thumb{border:1px solid #ffffff16;background:#ffffff08;border-radius:5px;color:#aaa4c0;overflow:hidden;padding:0;aspect-ratio:1}.thumb img{width:100%;height:75%;object-fit:cover;display:block}.thumb span{font-size:8px}.thumb.selected{border-color:#b6a4ff}.timeline{display:flex;justify-content:space-between;font-size:8px;color:#9691ac;margin-top:10px}.preview-note{font-size:9px;color:#c2b9da;border-top:1px solid #ffffff12;margin-top:20px;padding-top:17px}.output-label{font-size:10px;color:#c2b9da;display:block;margin-top:20px}.output-label select{background:#363650;color:white;border-color:#ffffff14;font-size:11px;margin-top:7px}.preview-panel .primary{width:100%;margin-top:12px;background:#a495ed;color:white}.private-note{text-align:center;color:#a7a1b9;font-size:8px}.tip{margin-top:21px;padding:14px;background:#ffffff06;border:1px solid #ffffff09;border-radius:8px}.tip strong{font-size:10px;color:#d6cdef}.tip p{font-size:9px;line-height:1.9;color:#aaa4bf;margin:8px 0 0}.footer-note{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:10px;color:#a39aab;display:flex;justify-content:space-between}.footer-note span{font-size:8px;letter-spacing:1px}.notice{background:#f0ecfa;padding:16px;border-radius:9px;color:#706781;font-size:12px;margin-bottom:25px}.gallery-grid,.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.gallery-card,.lesson-grid article{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.gallery-card img{width:100%;height:200px;object-fit:cover}.gallery-content{padding:20px}.gallery-content p{color:var(--muted);font-size:11px}.gallery-content .actions{display:flex;gap:8px;margin-top:15px}.lesson-grid{grid-template-columns:repeat(4,1fr)}.lesson-grid article{padding:25px}.lesson-grid b{color:var(--purple);font-size:23px}.lesson-grid h2{margin-top:16px}.lesson-grid p{font-size:12px;color:var(--muted);line-height:1.9}.resource-sheet{background:white;padding:35px;border:1px solid var(--line);border-radius:10px;margin-top:30px}.resource-sheet p{font-size:12px;color:var(--muted)}.worksheet-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:20px}.worksheet-grid div{height:240px;border:1px solid #aaa;padding:10px;font-size:12px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#252a36;color:white;border-radius:8px;padding:14px 22px;box-shadow:0 6px 25px #0002;display:none;z-index:10;font-size:12px}dialog{border:1px solid var(--line);border-radius:18px;padding:40px;max-width:530px;width:90%;color:var(--ink)}dialog::backdrop{background:#22243e80}dialog h2{font-size:23px;margin-top:18px}dialog p{color:var(--muted);line-height:1.8}.close{position:absolute;right:14px;top:10px;background:none;border:0;font-size:25px;color:var(--muted)}.dialog-actions{display:flex;gap:12px;margin-top:25px}.record-row{display:flex;gap:10px;align-items:center;margin-top:12px;font-size:11px}.record-row audio{height:30px;width:180px}.playing #preview-image{animation:drift 10s linear infinite}@keyframes drift{from{transform:scale(1)}to{transform:scale(1.1)}}@media(min-width:1500px){.upload{height:190px}}@media(max-width:1150px){.sidebar{width:190px;padding:30px 18px}.shell{margin-left:190px}main{padding:30px 25px}.studio-layout{grid-template-columns:minmax(0,1fr) 270px;gap:16px}.editor{padding:20px 18px}.cards{grid-template-columns:repeat(2,1fr)}.upload{height:160px}h1{font-size:25px}.steps{gap:12px;font-size:9px}}@media(max-width:800px){.sidebar{position:static;width:100%;padding:15px 20px;border-bottom:1px solid var(--line)}.brand{font-size:18px}.workspace,.sidebar-bottom{display:none}nav{display:flex;margin-top:15px;gap:4px}nav button{padding:9px;font-size:13px}nav span{font-size:11px}.shell{margin:0}header{padding:0 20px;height:50px}.crumb{display:none}main{padding:25px 18px}.heading{align-items:flex-start}.heading .button{white-space:nowrap;padding:9px;font-size:10px}h1{font-size:23px}.studio-layout{grid-template-columns:1fr}.preview-panel{position:static;max-width:500px;width:100%;margin:auto}.screen{aspect-ratio:16/9}.gallery-grid,.lesson-grid{grid-template-columns:repeat(2,1fr)}.worksheet-grid{grid-template-columns:repeat(2,1fr)}.fields .author-field{max-width:120px}}@media print{body>*{display:none!important}.shell,main,#resources,.resource-sheet{display:block!important;margin:0;padding:0}header,.heading,.lesson-grid{display:none!important}.worksheet-grid{grid-template-columns:repeat(4,1fr)}.resource-sheet{border:0}.worksheet-grid div{height:350px}}
.ai-tools{background:#f4f0fd;border:1px solid #e0d7f8;padding:16px;border-radius:10px;margin-bottom:24px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.ai-tools strong{font-size:12px;color:#7163ca}.ai-tools p{font-size:10px;color:#82798e;margin:7px 0 0}.ai-tools>div{width:100%}#ai-proposal p{font-size:13px;line-height:1.8;background:#f8f6fc;padding:13px;border-radius:6px}
.youtube-ad-notice{font-size:12px;line-height:1.8;color:#625e74;background:#fff;border:1px solid var(--line);border-radius:8px;padding:13px 16px;margin:0 0 24px}
.film-workflow{background:#faf8ff;border:1px solid #e5dcf5;border-radius:10px;padding:18px;margin-bottom:24px}.film-workflow label{font-size:12px;display:block;margin-top:12px}.film-workflow .section-top{margin:0 0 14px}.film-workflow select{margin-top:7px;background:white}.film-workflow video{width:100%;max-height:280px;background:#292a45;border-radius:7px;margin-top:12px}.local-gallery-title{margin:30px 0 18px}.review-check{display:block;line-height:1.8;font-size:12px;margin:20px 0}#youtube-review label{display:block;margin-top:16px;font-size:12px}#youtube-review textarea,#youtube-review select{margin-top:8px}#youtube-player{max-width:800px}#youtube-embed{aspect-ratio:16/9;margin:18px 0;background:#292a45}#youtube-embed iframe{width:100%;height:100%;border:0}.clip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.clip-grid video{width:100%}.film-job-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px;background:white;border-radius:7px;margin-top:10px;font-size:12px}