@charset "UTF-8";
:root{--blue:#3155e7;--blue-dark:#2440b5;--blue-soft:#eef2ff;--ink:#202536;--muted:#7c8191;--line:#e9eaf0;--surface:#fff;--canvas:#f7f8fb;--green:#20816a;--amber:#a46b17;--radius:12px;font-family:Inter,Pretendard,"Noto Sans KR","Malgun Gothic",system-ui,sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);font-size:14px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button{border:0;background:none;color:inherit}h1,h2,h3,p{margin:0}h1{font-size:27px;font-weight:740;letter-spacing:-1.2px;line-height:1.35}h2{font-size:16px;font-weight:700;letter-spacing:-.45px}h3{font-size:15px}svg{width:19px;height:19px;flex-shrink:0;vertical-align:middle}button:focus-visible,a:focus-visible{outline:3px solid #a7b8ff;outline-offset:3px}input:focus,select:focus,textarea:focus{outline:2px solid #c4d0ff;border-color:var(--blue)}
.skip{position:fixed;left:10px;top:-60px;z-index:99;background:var(--ink);color:white;padding:10px}.skip:focus{top:10px}.demo-bar{height:36px;background:#edf0f8;border-bottom:1px solid #e2e5ef;display:flex;align-items:center;justify-content:space-between;padding:0 24px;font-size:11px;color:#60697e;gap:12px}.demo-label{display:flex;align-items:center;gap:9px}.demo-dot{width:6px;height:6px;background:var(--blue);border-radius:50%}.demo-bar button{display:flex;align-items:center;gap:5px;font-size:11px;color:#56627c}.demo-bar svg{width:13px;height:13px}
.shell{display:grid;grid-template-columns:218px minmax(0,1fr);min-height:100svh}.sidebar{background:white;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100svh}.brand{display:flex;align-items:center;gap:9px;font-size:26px;font-weight:830;letter-spacing:-1.7px;padding:1px 15px 26px}.brand-mark{height:28px;width:28px;display:grid;grid-template-columns:1fr 1fr;gap:3px;transform:rotate(-5deg)}.brand-mark i{background:var(--blue);border-radius:3px}.brand-mark i:nth-child(2){opacity:.6}.brand-mark i:nth-child(3){opacity:.35}.academy-select{border:1px solid var(--line);border-radius:8px;padding:10px 11px;display:flex;align-items:center;gap:9px;margin-bottom:25px;font-weight:650;font-size:12px}.academy-icon{width:27px;height:27px;border-radius:7px;background:#f3f4f8;display:grid;place-items:center}.academy-select .chevron{margin-left:auto;width:14px;color:var(--muted)}.nav-caption{font-size:10px;color:#9297a6;letter-spacing:1.4px;padding:0 15px 10px}.nav{display:grid;gap:4px}.nav button{position:relative;display:flex;gap:11px;align-items:center;width:100%;text-align:left;border-radius:7px;padding:10px 14px;color:#747a8c;font-weight:550;font-size:13px;transition:background .18s,color .18s}.nav button:hover{background:#f7f8fc;color:var(--ink)}.nav button.active{background:var(--blue-soft);color:var(--blue);font-weight:700}.nav .badge-count{margin-left:auto;min-width:20px;height:20px;font-size:10px;border-radius:5px;background:#e2e8ff;display:grid;place-items:center}.sidebar-bottom{margin-top:auto;padding:28px 13px 0;color:#8a90a0;font-size:11px}.sidebar-bottom strong{display:block;color:#656d80;margin-bottom:5px}.sidebar-bottom span{display:flex;align-items:center;gap:6px;font-size:10px;margin-top:14px}.sidebar-bottom span i{height:5px;width:5px;border-radius:50%;background:#38a58a}
.workspace{min-width:0}.topbar{height:80px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 34px;background:#fff;gap:16px}.crumb{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px}.crumb b{font-weight:550;color:#50566a}.crumb svg{width:13px}.role-area{display:flex;align-items:center;gap:17px}.role-switch{display:flex;padding:4px;background:#f2f3f7;border-radius:8px;gap:2px}.role-switch button{font-size:12px;color:#82889b;padding:6px 13px;border-radius:5px;transition:all .18s;white-space:nowrap}.role-switch button.active{background:#fff;color:var(--blue);font-weight:750;box-shadow:0 1px 4px #172b6010}.identity{display:flex;align-items:center;gap:9px}.avatar{height:33px;width:33px;border-radius:50%;background:#edf0fc;display:grid;place-items:center;font-size:12px;font-weight:700;color:#6070a2}.identity-name{font-size:12px;font-weight:650}.identity-name small{display:block;font-size:10px;color:var(--muted);font-weight:450}.mobile-menu{display:none}
.flowbar{padding:17px 34px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px}.flow-caption{font-size:11px;color:#8c92a0;white-space:nowrap;display:flex;gap:6px;align-items:center}.flow-caption svg{width:15px}.flow-steps{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.flow-step{display:flex;align-items:center;gap:7px;font-size:11px;color:#9299a8;white-space:nowrap}.flow-step span{height:20px;width:20px;border:1px solid #e1e5ed;display:grid;place-items:center;border-radius:50%;font-size:10px}.flow-step.done{color:#4a6581}.flow-step.done span{background:#edf3f2;border-color:#edf3f2;color:var(--green)}.flow-step.current{color:var(--blue);font-weight:700}.flow-step.current span{color:white;background:var(--blue);border-color:var(--blue)}.flow-step span svg{width:11px;height:11px}.flow-line{height:1px;width:20px;background:#e8ebf2;flex-shrink:0}.flow-next{margin-left:auto;font-size:11px;color:var(--blue);display:flex;align-items:center;gap:5px;white-space:nowrap}.flow-next svg{width:14px}
main{max-width:1540px;margin:0 auto;padding:30px 34px 40px;animation:enter .24s ease-out}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;gap:18px}.eyebrow{font-size:11px;color:var(--muted);letter-spacing:.2px;margin-bottom:6px}.subtitle{font-size:12px;color:#828897;margin-top:9px}.page-actions{display:flex;gap:8px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 15px;border-radius:7px;font-size:12px;font-weight:650;border:1px solid #e0e4ed;background:white;line-height:1.4;white-space:nowrap;transition:background .16s,transform .16s}.btn:hover:not(:disabled){background:#f7f9ff;transform:translateY(-1px)}.btn.primary{background:var(--blue);border-color:var(--blue);color:white}.btn.primary:hover:not(:disabled){background:var(--blue-dark)}.btn.soft{background:var(--blue-soft);border-color:var(--blue-soft);color:var(--blue)}.btn.small{padding:7px 10px;font-size:11px}.btn.danger{color:#bd4f56}.btn svg{width:15px;height:15px}.text-btn{color:var(--blue);font-size:12px;display:inline-flex;align-items:center;gap:4px;font-weight:600}.text-btn svg{width:14px}.muted{color:var(--muted)}.small{font-size:12px}.tiny{font-size:10px}.mono{font-variant-numeric:tabular-nums}.blue{color:var(--blue)}.green{color:var(--green)}.bold{font-weight:700}.nowrap{white-space:nowrap}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);padding:4px 0 26px;margin-bottom:26px;gap:24px}.metric{position:relative;padding-left:22px;border-left:1px solid #e1e5ed}.metric:first-child{padding-left:0;border-left:0}.metric-label{font-size:12px;color:#737c90;display:flex;align-items:center;gap:6px}.metric-label svg{width:14px;height:14px;color:#9ca5b9}.metric-value{font-size:29px;font-weight:730;letter-spacing:-1.1px;margin-top:7px;line-height:1.35}.metric-value small{font-size:13px;margin-left:4px;font-weight:500;color:#8a91a1;letter-spacing:0}.metric-foot{font-size:10px;color:#9b9faf;margin-top:5px}.metric-foot .up{color:var(--green)}
.columns{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:24px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);min-width:0;overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 22px 17px}.panel-head p{font-size:11px;color:var(--muted);margin-top:3px}.panel-pad{padding:22px}.panel+.panel{margin-top:20px}.panel-footer{border-top:1px solid var(--line);padding:13px 22px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}.right-stack{display:grid;gap:20px}.right-stack .panel+.panel{margin-top:0}.table-scroll{overflow:auto;max-width:100%}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}th{padding:11px 19px;background:#fafbfd;color:#8e94a4;font-size:10px;font-weight:550;white-space:nowrap;border-top:1px solid #f1f2f7;border-bottom:1px solid #f1f2f7}td{padding:15px 19px;border-bottom:1px solid #f0f2f6;vertical-align:middle}tr:last-child td{border-bottom:0}.row-highlight td{background:#f8faff}.person{display:flex;gap:10px;align-items:center;min-width:115px}.person-avatar{width:30px;height:30px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;background:#f0f2f7;color:#75829b;font-size:11px}.person strong{display:block;font-size:12px;font-weight:650}.person small{display:block;color:#9aa0af;font-size:10px;margin-top:1px}.badge{display:inline-flex;align-items:center;gap:5px;border-radius:4px;padding:3px 7px;background:#f0f2f7;color:#8a91a1;font-size:10px;font-weight:600;white-space:nowrap}.badge.success{background:#edf7f2;color:var(--green)}.badge.warning{background:#fff6e7;color:var(--amber)}.badge.info{background:var(--blue-soft);color:var(--blue)}.badge.live{background:#fff0f0;color:#bf5662}.badge.live:before{content:'';width:5px;height:5px;background:#d0646d;border-radius:50%}.status-dot{width:5px;height:5px;border-radius:50%;background:currentColor}.filterbar{display:flex;justify-content:space-between;gap:14px;padding:0 22px 17px;align-items:center}.tabs{display:flex;gap:17px;align-items:center;flex-wrap:wrap}.tab{font-size:11px;color:#9298a8;padding:4px 0;position:relative}.tab.active{color:var(--blue);font-weight:700}.tab.active:after{position:absolute;content:'';left:0;right:0;bottom:-4px;height:2px;background:var(--blue);border-radius:2px}.search{display:flex;align-items:center;gap:7px;border:1px solid #e4e7ef;border-radius:6px;padding:7px 10px;background:#fff}.search input{border:0;outline:0;font-size:11px;min-width:0;width:145px;background:transparent}.search svg{width:14px;color:#a0a6b5}.search input:focus{outline:0}.empty{padding:42px 24px;text-align:center;color:var(--muted)}.empty-icon{margin:0 auto 13px;background:#f3f5fc;border-radius:14px;width:48px;height:48px;display:grid;place-items:center;color:#91a1d1}.empty h3{color:#566077;margin-bottom:6px}.empty p{max-width:340px;margin:0 auto 17px;font-size:12px}
.course-art{height:124px;background:#edf1fb;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;padding:22px;color:#3452a8}.course-art .art-unit{font-size:10px;letter-spacing:2px}.course-art strong{display:block;font-size:21px;font-weight:700;letter-spacing:-.6px;margin-top:4px}.art-symbol{font-family:Georgia,serif;font-style:italic;font-size:85px;line-height:1;opacity:.33;transform:rotate(-8deg)}.course-content{padding:19px 22px}.course-content h3{font-size:14px;margin:7px 0 4px}.course-meta{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:5px;margin:6px 0}.course-meta svg{width:13px;height:13px}.course-content .btn{width:100%;margin-top:14px}.course-row{padding:17px 22px;display:flex;gap:15px;align-items:center;border-bottom:1px solid var(--line)}.time-block{color:#63708b;font-size:13px;min-width:44px;line-height:1.5}.time-block small{font-size:10px;color:var(--muted);display:block}.course-row h3{font-size:12px}.course-row p{font-size:10px;color:var(--muted);margin-top:4px}.course-row .btn{margin-left:auto}.events{padding:0 22px 17px}.event{position:relative;padding:0 0 16px 17px;font-size:11px;line-height:1.7;color:#6c758a}.event:before{content:'';position:absolute;left:0;top:6px;width:5px;height:5px;border-radius:50%;background:#bac5e1}.event:after{content:'';position:absolute;left:2px;top:15px;bottom:0;width:1px;background:#edf0f5}.event:last-child:after{display:none}.event small{display:block;color:#a1a8b8;font-size:10px;margin-top:2px}.guide{border-radius:10px;background:#eef2ff;padding:19px 21px;border:1px solid #e1e7ff}.guide h3{font-size:12px;color:#3552ba;display:flex;align-items:center;gap:7px}.guide p{font-size:11px;color:#7482aa;margin:8px 0 14px;line-height:1.9}.guide button{font-size:11px;color:var(--blue);font-weight:700;display:flex;align-items:center;gap:5px}.guide button svg{width:14px}.date-tag{font-size:11px;color:#8f96a7}.note{background:#f6f8fd;padding:13px 16px;border-radius:7px;font-size:11px;color:#7a869e;line-height:1.9;margin-top:17px}.note svg{width:14px;margin-right:5px}.notice-strip{border:1px solid #e2e8ff;background:#f3f6ff;border-radius:8px;padding:14px 17px;display:flex;align-items:center;gap:12px;margin-bottom:20px;font-size:12px;color:#5f709e}.notice-strip svg{color:var(--blue);width:18px}.notice-strip .text-btn{margin-left:auto;white-space:nowrap}.spacer{height:20px}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:22px}.classroom{background:#192335;border-radius:10px;padding:18px;color:white;min-width:0}.room-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-size:11px;color:#aebcd4}.classmeet{font-size:13px;color:#d7e4fd;font-weight:700;letter-spacing:-.3px}.classmeet span{color:#849fe4}.whiteboard{background:#f6f7f2;color:#344649;border-radius:5px;min-height:275px;padding:35px 36px;position:relative}.board-kicker{font-size:10px;letter-spacing:2px;color:#8b9994}.whiteboard h2{font-family:Georgia,serif;font-size:30px;font-weight:400;margin:13px 0 20px;letter-spacing:-.6px}.board-sentence{font-family:Georgia,serif;font-size:23px}.board-sentence em{font-style:normal;border-bottom:2px solid #52789b;padding-bottom:4px;color:#3c6a91}.board-explain{font-size:12px;color:#80908b;margin-top:18px}.board-line{width:80%;height:1px;background:#e0e5dd;margin:27px 0}.board-note{font-family:Georgia,serif;color:#b27f6e;font-size:15px}.room-people{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:13px 0}.room-person{background:#27334a;border-radius:5px;text-align:center;padding:14px 5px 8px;font-size:10px;color:#aebcd4}.room-person .circle{margin:0 auto 9px;width:35px;height:35px;border-radius:50%;background:#3a4c69;display:grid;place-items:center;color:#e5eaf4;font-size:12px}.room-controls{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px}.room-controls button{border-radius:50%;width:35px;height:35px;background:#33415a;display:grid;place-items:center;color:#d0d9e8}.room-controls button.off{background:#5c3e50;color:#ffe1e1}.room-controls .btn{border-radius:6px;width:auto;height:auto;padding:9px 14px;background:#b84d5b;color:white;font-size:11px}.room-footer{font-size:9px;color:#7789a5;margin-top:14px;text-align:center}.kv{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.kv:last-child{border:0}.kv>span:first-child{color:var(--muted)}.full{width:100%}.stack{display:grid;gap:10px}.action-list{padding:0 22px 8px}.action-item{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}.action-item:last-child{border-bottom:0}.action-item h3{font-size:12px;margin-bottom:4px}.action-item p{font-size:11px;color:var(--muted)}
.question-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px}.question{padding:25px 27px;border-bottom:1px solid var(--line)}.question:last-child{border-bottom:0}.question-meta{display:flex;align-items:center;gap:8px;margin-bottom:13px;font-size:10px;color:var(--muted)}.question-number{font-size:12px;color:var(--blue);font-weight:750}.question h3{font-size:14px;line-height:1.8;margin-bottom:12px}.question-body{font-size:15px;color:#59657e;background:#f7f8fc;border-radius:6px;padding:14px 16px;margin-bottom:17px;font-family:Georgia,"Malgun Gothic",serif}.choices{display:grid;gap:9px}.choice{display:flex;gap:10px;align-items:center;padding:10px 13px;border:1px solid #e7eaf1;border-radius:6px;font-size:12px;cursor:pointer;transition:background .18s,border .18s}.choice:has(input:checked){border-color:#aebef8;background:#f3f6ff;color:var(--blue)}.choice input{accent-color:var(--blue);margin:0}.field{display:grid;gap:7px;margin-bottom:17px;font-size:12px}.field>span,.field label{color:#697389;font-size:11px;font-weight:600}.input,select,textarea{width:100%;border:1px solid #dfe4ee;border-radius:6px;padding:10px 12px;background:white;color:#404b64;font-size:12px}textarea{min-height:110px;resize:vertical;line-height:1.9}.question .input{max-width:430px}.question textarea{min-height:135px}.question input:disabled,.question textarea:disabled{background:#fafbfe;color:#53617b}.question .answer-info{margin-top:16px;font-size:12px;color:#67758e;padding:13px;background:#f5f8fd;border-radius:6px}.question .answer-info strong{color:var(--blue)}.score-input{width:67px;padding:6px 8px;font-size:13px;font-weight:650}.grade-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:15px}.answer-quote{border-left:2px solid #cfdaff;padding:10px 15px;background:#f9faff;font-size:12px;color:#67738b;white-space:pre-wrap}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.checkbox-line{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.checkbox-line input{accent-color:var(--blue);width:15px;height:15px}.checkbox-line span{flex:1}.checkbox-line small{color:var(--muted)}.assignment-summary{padding:22px}.assignment-summary h3{font-size:14px;margin:9px 0}.assignment-summary p{font-size:11px;color:var(--muted);margin-bottom:16px}.task-banner{display:flex;gap:18px;align-items:center;padding:24px 27px;border-bottom:1px solid var(--line)}.task-number{font-size:35px;font-weight:750;color:var(--blue);line-height:1.3}.task-number small{font-size:12px;font-weight:450;color:var(--muted)}.task-banner p{font-size:12px;color:var(--muted)}.video-preview{background:#192335;border-radius:8px;padding:37px;color:#c5d4ed;display:grid;place-items:center;min-height:240px;text-align:center}.video-preview h2{font-size:22px;color:#e3eaff;font-family:Georgia,serif;font-weight:450;margin:14px 0 7px}.play-button{background:#3d5795;border-radius:50%;width:52px;height:52px;display:grid;place-items:center;margin-bottom:7px;color:white}.video-preview .badge{background:#314263;color:#bdcdeb}.progress-track{height:5px;background:#e8ecf5;border-radius:3px;overflow:hidden;margin:12px 0 7px}.progress-fill{height:100%;background:var(--blue);border-radius:3px;transition:width .4s}.big-score{font-size:54px;line-height:1.4;font-weight:750;letter-spacing:-2px;color:var(--blue)}.big-score small{font-size:19px;color:#9ca5b9;font-weight:400;letter-spacing:0}.report-summary{display:grid;grid-template-columns:1.05fr 1fr 1fr;align-items:center;gap:24px;border-bottom:1px solid var(--line);padding:25px}.report-summary>div+div{border-left:1px solid var(--line);padding-left:24px}.report-summary h3{font-size:11px;color:var(--muted);font-weight:450}.report-summary strong{font-size:25px;font-weight:700;display:block;margin-top:5px}.report-body{padding:24px 26px}.report-comment{background:#f5f7fd;border-radius:8px;padding:19px 21px;font-size:12px;line-height:2;color:#5f6e89;white-space:pre-wrap}.report-comment h3{font-size:11px;color:#8d97ab;font-weight:550;margin-bottom:8px}.payment-amount{font-size:38px;font-weight:750;letter-spacing:-1px;margin:19px 0 14px}.payment-amount small{font-size:16px;margin-left:4px;font-weight:500;color:var(--muted)}.payment-brand{font-size:11px;color:#8b94a9;display:flex;justify-content:space-between;align-items:center}.payment-footer{font-size:10px;color:#9da5b5;margin-top:13px;text-align:center}.parent-name{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}.parent-name .avatar{width:42px;height:42px}.parent-name h3{font-size:14px}.parent-name p{font-size:11px;color:var(--muted)}.completion{background:#edf7f3;border:1px solid #d5ede3;padding:18px 21px;border-radius:8px;color:#3c8069;display:flex;align-items:center;gap:12px;margin-bottom:22px}.completion p{font-size:11px;margin-top:2px}.completion svg{width:22px;height:22px}.toggle{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);font-size:12px}.toggle input{accent-color:var(--blue);width:17px;height:17px}.toggle small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.usage-bar{margin:18px 0}.usage-bar div:first-child{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
dialog{border:0;border-radius:13px;padding:0;width:min(560px,calc(100vw - 32px));max-height:calc(100svh - 48px);color:var(--ink);box-shadow:0 22px 100px #14234d35;animation:modal-in .2s ease-out}dialog::backdrop{background:#18203966;backdrop-filter:blur(3px)}.dialog-header{padding:22px 25px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.dialog-header h2{font-size:17px}.dialog-header button{color:#949cad;padding:3px}.dialog-body{padding:23px 25px}.dialog-footer{padding:16px 25px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;background:#fafbfe}.dialog-description{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:18px}.toast{position:fixed;bottom:27px;left:50%;transform:translate(-50%,20px);background:#263047;color:#fff;padding:12px 20px;border-radius:8px;box-shadow:0 8px 30px #17234022;font-size:12px;opacity:0;pointer-events:none;transition:all .22s;z-index:100;max-width:calc(100vw - 32px);text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}.mobile-overlay{display:none}.help-list{font-size:12px;line-height:2.3;color:#6f7c94;padding-left:20px}.view-fade{animation:enter .24s ease-out}@keyframes enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes modal-in{from{opacity:0;transform:translateY(9px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(min-width:1650px){.columns{grid-template-columns:minmax(0,1fr) 340px}main{padding-top:37px}.topbar{padding:0 44px}}
@media(max-width:1200px){.topbar{padding:0 24px}.flowbar{padding:15px 24px;gap:12px}.flow-line{width:10px}.flow-next{font-size:10px}.flow-caption{display:none}main{padding:26px 24px}.columns{grid-template-columns:minmax(0,1fr) 270px;gap:18px}.shell{grid-template-columns:195px minmax(0,1fr)}.sidebar{padding:24px 10px}.identity-name{display:none}.metric-value{font-size:26px}.lesson-layout{grid-template-columns:minmax(0,1fr) 235px}.whiteboard{padding:28px 25px}.question-layout{grid-template-columns:minmax(0,1fr) 230px}}
@media(max-width:1000px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;top:0;left:0;z-index:40;width:225px;height:100svh;transform:translateX(-100%);transition:transform .22s}.sidebar.open{transform:translateX(0)}.mobile-overlay.open{display:block;position:fixed;inset:0;background:#17223c66;z-index:39}.mobile-menu{display:grid;place-items:center;padding:4px}.topbar{height:72px}.crumb{gap:10px}.crumb>span{display:none}.identity-name{display:block}.columns{grid-template-columns:minmax(0,1fr) 280px}.flow-next{font-size:11px}.flow-caption{display:flex}.lesson-layout{grid-template-columns:minmax(0,1fr) 240px}}
@media(max-width:760px){.demo-bar{height:auto;min-height:34px;padding:7px 15px;gap:8px;font-size:9px}.demo-label{gap:6px}.demo-bar button{font-size:9px;white-space:nowrap}.shell{min-height:calc(100svh - 34px)}.topbar{padding:12px 17px;height:auto;min-height:103px;display:grid;grid-template-columns:1fr auto;gap:10px}.crumb{font-size:11px}.role-area{display:contents}.identity{grid-column:2;grid-row:1}.identity-name{display:block;font-size:11px}.identity-name small{font-size:9px}.avatar{width:29px;height:29px;font-size:11px}.role-switch{grid-row:2;grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,1fr);width:100%;padding:3px}.role-switch button{padding:6px;font-size:11px}.flowbar{padding:12px 17px;display:block}.flow-caption{display:none}.flow-steps{justify-content:space-between;gap:3px}.flow-step{display:grid;justify-items:center;gap:4px;font-size:9px;padding:0}.flow-step span{width:18px;height:18px;font-size:9px}.flow-line{width:14px;margin-bottom:15px;flex:1}.flow-next{display:none}main{padding:23px 17px 28px}.page-head{align-items:flex-start;margin-bottom:20px;gap:12px}h1{font-size:23px}.eyebrow{font-size:10px}.subtitle{font-size:11px;margin-top:6px;max-width:240px}.page-actions{gap:6px;justify-content:flex-end}.page-actions .btn{font-size:10px;padding:8px 10px}.page-actions .btn svg{width:13px;height:13px}.page-head .date-tag{display:none}.columns,.lesson-layout,.question-layout{grid-template-columns:1fr;gap:18px}.metrics{gap:15px 10px;grid-template-columns:repeat(2,1fr);padding-bottom:20px;margin-bottom:20px}.metric{padding-left:16px}.metric:nth-child(3){padding-left:0;border-left:0}.metric-label{font-size:11px}.metric-value{font-size:26px;margin-top:5px}.metric-foot{font-size:9px}.panel-head{padding:17px 17px 14px}.panel-head h2{font-size:14px}.panel-pad,.assignment-summary{padding:18px}.filterbar{padding:0 17px 16px;align-items:flex-start;flex-wrap:wrap}.filterbar .search{width:100%}.search input{width:100%}.tabs{gap:16px}td{padding:13px 15px}th{padding:10px 15px}.panel-footer{padding:12px 17px;font-size:10px}.course-art{height:130px}.course-content{padding:17px}.right-stack{gap:18px}.events{padding:0 17px 12px}.event{padding-bottom:13px}.guide{padding:17px}.question{padding:22px 19px}.task-banner{padding:20px}.question-body{font-size:14px}.whiteboard{min-height:235px;padding:25px 22px}.whiteboard h2{font-size:25px}.board-sentence{font-size:19px}.board-note{font-size:13px}.room-people{gap:7px}.classroom{padding:14px}.room-top{font-size:9px}.report-summary{gap:16px;padding:22px 18px;grid-template-columns:1.1fr 1fr 1fr}.report-summary>div+div{padding-left:15px}.report-summary strong{font-size:21px}.report-summary h3{font-size:9px}.big-score{font-size:40px}.big-score small{font-size:14px}.report-body{padding:20px 18px}.report-comment{padding:16px}.notice-strip{font-size:11px;gap:8px;align-items:flex-start}.notice-strip .text-btn{font-size:10px}.form-grid{grid-template-columns:1fr;gap:0}.dialog-header{padding:19px 20px 15px}.dialog-body{padding:20px}.dialog-footer{padding:14px 20px}.payment-amount{font-size:34px}.video-preview{padding:25px;min-height:215px}.course-row{padding:15px 17px;gap:11px}.course-row .btn{font-size:10px;padding:7px}.choice{padding:11px}.completion{padding:15px}.completion h3{font-size:12px}.kv{font-size:11px}.question-layout>aside{order:-1}.question-layout>aside .note{display:none}.question-layout>aside .kv{padding:8px 0}.question-layout>aside .panel-pad{padding:15px 18px}.table-scroll table{min-width:570px}.table-scroll.compact table{min-width:440px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Service workspace: stable full-height shell and compact operational navigation. */
.sidebar{overflow-y:auto}.sidebar-bottom{padding-top:24px}.filterbar{flex-wrap:wrap}.tabs{flex-wrap:wrap}.nav-caption{letter-spacing:1.1px}.columns>*,.lesson-layout>*,.question-layout>*{min-width:0}.shell{min-height:100svh}
@media(min-width:1001px) and (max-height:800px){.sidebar{padding-top:20px;padding-bottom:16px}.brand{padding-bottom:18px}.academy-select{margin-bottom:18px}.nav button{padding-top:8px;padding-bottom:8px}.sidebar-bottom{padding-top:18px}}