@font-face{font-family:"Incheon Edu Himchan";src:url("/fonts/incheon-edu-himchan.ttf") format("truetype");font-style:normal;font-weight:400;font-display:block}
*{box-sizing:border-box} :root{color-scheme:light;--orange:#ff7a3d;--peach:#ffb69a;--cream:#ffe7d6;--yellow:#ffd86b;--green:#7bbf9e;--ink:#2c312d;--muted:#72766e;--line:#deded5}
body{margin:0;background:#f4f4ed;color:var(--ink);font-family:"Incheon Edu Himchan","Pretendard","Noto Sans KR","Malgun Gothic",Arial,sans-serif}button,input,select,textarea{font:inherit}button,.button{min-height:40px;border:1px solid #d5d7ce;border-radius:9px;background:#fff;padding:9px 14px;cursor:pointer;text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;text-align:center;gap:8px;font-weight:700;line-height:1.3}button:hover,.button:hover{background:#f5f5ef}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #e06a2b;outline-offset:3px}[hidden]{display:none!important}.topbar{height:84px;padding:0 36px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;text-decoration:none}.brand img{display:block;width:196px;height:auto;max-height:62px;object-fit:contain;object-position:left center}.top-actions{display:flex;align-items:center;gap:25px}.live-dot{font-size:12px;color:var(--muted)}.live-dot:before{content:"";display:inline-block;width:6px;height:6px;border-radius:100%;background:var(--green);margin-right:8px}
#workspace{display:flex;align-items:flex-start;gap:28px;max-width:1650px;margin:auto;padding:24px 32px 40px}#teacher-panel{flex:0 0 312px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;position:sticky;top:16px;max-height:calc(100vh - 32px);overflow-y:auto}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:1.8px;color:#6a7168}h1{font-size:23px;margin:6px 0 0;letter-spacing:-1px}.text-button{border:0;background:transparent;padding:4px 0;min-height:30px;font-size:12px;color:#5b635a}.text-button:hover{background:transparent;color:#b74110}label{display:block;font-size:12px;font-weight:750;margin:15px 0 7px}input,select,textarea{display:block;width:100%;border:1px solid #d7d9d0;border-radius:8px;padding:10px;background:#fff;color:var(--ink);font-size:13px}textarea{resize:vertical;line-height:1.65;min-height:60px}input:read-only,textarea:read-only{background:#f5f5ef;color:#646b60}.field-row{display:flex;gap:10px}.field-row>div{flex:1;min-width:0}.field-row>div:first-child{flex:1.3}.field-row label{margin-top:0}.label-line{display:flex;justify-content:space-between;align-items:end;margin-top:12px}.label-line label{margin:0 0 7px}.hint{font-size:11px;line-height:1.65;color:#75796f;margin:9px 0 14px}.primary{background:var(--orange);border-color:var(--orange);color:#28170e;font-weight:800}.primary:hover{background:#ff8e58;border-color:#ff8e58}.full{width:100%;margin-top:10px}.secondary-actions{display:flex;gap:7px;margin-top:9px}.secondary-actions button{flex:1;font-size:11px;padding:8px 4px;white-space:nowrap}#status,#template-status{font-size:12px;line-height:1.7;white-space:pre-wrap}#status.error,#template-status.error{color:#aa3320}#status.success{color:#236046}.display{flex:1;min-width:0;max-width:1050px;margin:0 auto}.display-toolbar{display:flex;justify-content:space-between;align-items:center;margin:0 0 12px;min-height:31px;gap:10px}.display-toolbar>div:first-child{display:flex;align-items:center;gap:10px}.display-actions{display:flex;align-items:center;gap:12px}.display-actions select{width:140px;padding:6px;font-size:12px}.display-actions label{margin:0}.board-status{font-size:11px;color:#767a70}.board{background:#fffdf9;padding:26px;border:1px solid #e0dfd4;border-radius:18px;box-shadow:0 8px 30px #39423008;aspect-ratio:1;display:flex;flex-direction:column;container-type:inline-size;overflow:visible}.date-strip{display:flex;justify-content:center;gap:16px;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,28px);font-weight:700;letter-spacing:.1px;padding:4px 0 20px}.date-strip span:last-child{color:#a84413}.class-banner{background:var(--orange);border-radius:11px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:15px 16px;min-height:100px}.class-banner h2{font-size:clamp(27px,3.7vw,44px);line-height:1.15;margin:0;font-weight:900;letter-spacing:-1.2px}.subject{font-size:clamp(15px,1.8vw,23px);font-weight:750;margin-top:7px}.homework-columns{display:flex;gap:16px;flex:1;margin-top:18px}.homework-card{flex:1;min-width:0;border-radius:11px;padding:20px 19px;min-height:300px}.fixed-card{background:#fff0e5;border:1px solid #f5d5bd}.special-card{background:#f4f6ec;border:1px solid #d9dfc8}.section-title{display:flex;align-items:center;gap:11px;padding-bottom:15px;border-bottom:1px solid #00000015;margin-bottom:15px}.section-number{font-family:Georgia,serif;font-style:italic;font-size:32px;color:#b8562d}.special-card .section-number{color:#497b5b}h3{font-size:clamp(20px,2.3vw,28px);letter-spacing:-.9px;margin:0;line-height:1.3}.section-title div>span{display:block;font-size:9px;font-weight:700;letter-spacing:1.5px;margin-top:6px;color:#77766a}ul{padding-left:1.1em;margin:0;list-style:disc}li{padding-left:2px;margin:0 0 .45em;line-height:1.55;word-break:keep-all;overflow-wrap:anywhere}.board li{font-size:clamp(20px,2.4vw,30px);font-weight:650;letter-spacing:-.7px}.board li:last-child{margin-bottom:0}.empty{list-style:none;margin-left:-1.1em;color:#85877a;font-weight:500!important}.notes-card{margin-top:16px;border-radius:11px;background:#fff7db;border:1px solid #eddda7;padding:18px 20px;min-height:120px}.notes-heading{display:flex;align-items:center;gap:10px;margin-bottom:12px}.note-icon{display:grid;place-items:center;background:var(--yellow);width:25px;height:25px;border-radius:50%;font-weight:900;font-family:Georgia}.notes-card h3{font-size:21px}.notes-card li{font-size:clamp(18px,2vw,25px)}.board-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;font-size:10px;letter-spacing:.2px;color:#85877c}.board-footer strong{font-family:Georgia,serif;color:#5c6257;font-size:13px;letter-spacing:.8px}.board-footer strong span{font-family:Arial,sans-serif;font-size:8px;letter-spacing:.8px;margin-left:5px}.display-footnote{text-align:right;font-size:11px;color:#84877c;margin:10px 0}#login-form p{font-size:13px;line-height:1.7}dialog{border:1px solid var(--line);border-radius:16px;width:440px;max-width:calc(100vw - 32px);padding:28px;box-shadow:0 20px 70px #0002}dialog::backdrop{background:#28302188}dialog h2{font-size:23px;margin:8px 0}dialog p{font-size:12px;line-height:1.7}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.display:fullscreen{background:#f4f4ed;max-width:none;overflow:auto;padding:20px}.display:fullscreen .board{max-width:1100px;margin:auto}.display:fullscreen .display-toolbar{max-width:1100px;margin:0 auto 10px}.export-board{width:1200px!important;max-width:none!important;aspect-ratio:1!important;border-radius:0!important;box-shadow:none!important;padding:32px!important}.export-board .date-strip{font-size:32px}.export-board .class-banner h2{font-size:48px}.export-board .subject{font-size:26px}.export-board h3{font-size:30px}.export-board li{font-size:32px}.export-board .notes-card li{font-size:28px}.export-board .homework-card{padding:24px}.export-board .board-footer{font-size:14px}
@media(min-width:1600px){.board li{font-size:29px}}@media(max-width:1100px){#workspace{padding:20px;gap:20px}#teacher-panel{flex-basis:280px;padding:18px}.board{padding:20px}.homework-card{padding:16px 13px}.board li{font-size:22px}.section-title{gap:8px}.section-number{font-size:26px}h3{font-size:21px}.class-banner h2{font-size:34px}.board-footer>span{display:none}}
@media(max-width:800px){.topbar{padding:0 18px;height:74px}.brand img{width:166px;max-height:52px}.top-actions .live-dot{display:none}#workspace{flex-direction:column;padding:16px;gap:20px}#teacher-panel{position:static;width:100%;flex-basis:auto;max-height:none}.display{width:100%}.board{padding:15px;border-radius:12px}.board li{font-size:22px}.date-strip{font-size:20px}.homework-columns{gap:10px}.homework-card{padding:14px 11px}.section-title{align-items:start}.section-number{display:none}.section-title div>span{font-size:8px}.board-status{display:none}.display-actions{gap:8px}}
@media(max-width:450px){.brand img{width:142px;max-height:45px}.topbar{padding:0 12px}.top-actions .button{font-size:12px;padding:8px 10px}#workspace{padding:10px}.board{padding:11px}.board li{font-size:18px}.homework-card{padding:12px 10px}h3{font-size:18px}.date-strip{font-size:16px;gap:8px;padding-bottom:14px}.class-banner{min-height:88px}.class-banner h2{font-size:29px}.notes-card{padding:14px}.notes-card h3{font-size:18px}.notes-card li{font-size:18px}.display-toolbar .eyebrow{font-size:9px}.display-actions select{width:115px}.display-actions label{display:none}}