@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,600&display=swap');
:root{--ink:#152b32;--muted:#708087;--line:#e4e9e8;--canvas:#f5f7f6;--card:#fff;--teal:#087b75;--teal-dark:#05635e;--tint:#e5f4f1;--coral:#f07760;--shadow:0 10px 30px rgba(29,57,56,.07)}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:15px 'DM Sans',sans-serif}.app-shell{min-height:100vh;display:flex}.sidebar{width:240px;background:#12353a;color:#e6f1f0;padding:27px 16px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.brand{font-size:22px;font-weight:700;display:flex;align-items:center;gap:10px;margin:0 12px 40px;color:white;text-decoration:none}.brand-mark{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;background:#f4ad66;color:#12353a;font-family:Fraunces}.sidebar nav{display:grid;gap:5px}.nav-item{font:inherit;border:0;background:transparent;color:#bdd0cf;border-radius:9px;padding:12px;cursor:pointer;text-align:left;display:flex;gap:13px;align-items:center}.nav-item:hover,.nav-item.active{background:#255157;color:white}.nav-item span{font-size:18px;width:18px;text-align:center}.sidebar-bottom{margin-top:auto}.teacher{border-top:1px solid #31575b;margin-top:18px;padding:22px 10px 0;display:flex;gap:10px;align-items:center}.avatar{background:#f4ad66;color:#17353a;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;font-weight:700;font-size:11px}.teacher strong,.teacher small{display:block;font-size:13px}.teacher small{color:#a4bebc;margin-top:2px}main{margin-left:240px;width:calc(100% - 240px);padding:40px 54px 60px;max-width:1550px}.topbar,.content-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:29px}.eyebrow{font-size:11px;font-weight:700;color:var(--teal);letter-spacing:1.4px;margin:0 0 5px}h1,h2,p{margin-top:0}h1{font:600 32px Fraunces,serif;letter-spacing:-.6px;margin-bottom:0}h2{font-size:17px;margin-bottom:5px}.header-actions{display:flex;gap:10px}.button{border:0;padding:11px 15px;border-radius:9px;font:600 14px 'DM Sans';cursor:pointer;white-space:nowrap}.button.primary{background:var(--teal);color:white;box-shadow:0 4px 12px rgba(8,123,117,.18)}.button.primary:hover{background:var(--teal-dark)}.button.ghost{border:1px solid #d8e0df;background:white;color:var(--ink)}.button.secondary{border:1px solid #cfe2df;background:var(--tint);color:var(--teal)}.full{width:100%;margin-top:16px}.notice{background:#fff7df;border:1px solid #f2e2ad;border-radius:9px;display:flex;gap:11px;padding:13px 16px;margin-bottom:22px;color:#785f20}.notice span:first-child{font-size:19px}.notice button{margin-left:auto;border:0;background:transparent;font-size:22px;color:#9d8754;cursor:pointer}.workspace{display:grid;grid-template-columns:1fr 270px;gap:22px}.room-card,.tool-card,.panel,.info-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.room-card{padding:16px}.room-toolbar{display:flex;justify-content:space-between;margin-bottom:12px}.pill{background:#edf4f3;color:#54706e;border-radius:20px;padding:7px 11px;font-size:12px;font-weight:600}.icon-button{border:0;background:none;font-size:16px;color:var(--muted);cursor:pointer}.room{height:490px;position:relative;overflow:hidden;border:1px solid #cfd9d7;border-radius:8px;background-color:#f8fbfa;background-image:linear-gradient(#e9efed 1px,transparent 1px),linear-gradient(90deg,#e9efed 1px,transparent 1px);background-size:28px 28px}.board{position:absolute;top:28px;left:35%;width:30%;height:26px;border-radius:4px;background:#275958;color:#d8e9e6;text-align:center;line-height:26px;font-size:10px;letter-spacing:2px}.teacher-desk{position:absolute;top:72px;left:43%;border:2px solid #244d4b;background:#d9e7e5;border-radius:4px;width:145px;padding:8px;text-align:center;font-size:12px;font-weight:600;cursor:grab;z-index:2}.desk{position:absolute;min-width:94px;height:64px;background:#fff;border:2px solid #558985;border-radius:6px;box-shadow:0 2px 4px #cbd8d688;cursor:grab;z-index:3;display:flex;align-items:center;justify-content:center;gap:4px;touch-action:none}.desk.double{width:180px}.seat{height:44px;min-width:41px;padding:4px;background:#e6f2f1;border:1px solid #bcdbd7;color:#195853;font-size:10px;font-weight:600;text-align:center;display:grid;place-items:center;line-height:11px;border-radius:3px}.seat.empty{color:#85a3a0;background:#f2f7f6}.desk.selected{outline:3px solid #f4ad66}.room-footnote{color:var(--muted);font-size:12px;margin:12px 3px 0}.tool-card{padding:20px;height:max-content}.tool-card>p,.generator p,.content-head>div>p:not(.eyebrow),.info-card p{color:var(--muted);font-size:13px;line-height:1.5}.tool-list{display:grid;gap:8px;margin-top:17px}.tool{display:flex;align-items:center;gap:11px;border:1px solid #e1e8e6;background:#fff;border-radius:8px;padding:10px;cursor:pointer;text-align:left}.tool:hover{border-color:#81b6b1;background:#f5fbfa}.tool b{color:var(--teal);font-size:21px}.tool span{flex:1;font-weight:600;font-size:13px}.tool small{display:block;color:var(--muted);font-weight:400;margin-top:2px}.tool i{font-style:normal;color:var(--teal);font-size:20px}hr{border:0;border-top:1px solid var(--line);margin:20px 0}.stat-row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}.stat-row strong{color:var(--ink)}.progress{background:#e8efed;height:7px;border-radius:10px;margin:11px 0}.progress span{height:100%;border-radius:10px;background:var(--teal);display:block;transition:width .3s}.bottom-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:22px;margin-top:22px}.panel{padding:22px}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start}.panel-heading p{color:var(--muted);font-size:13px;margin-bottom:0}.text-button{border:0;background:none;color:var(--teal);font:600 13px 'DM Sans';cursor:pointer}.student-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:19px;min-height:28px}.student-chip{background:#edf4f3;border-radius:20px;padding:7px 10px;font-size:12px;color:#355756}.generator{background:linear-gradient(124deg,#e5f4f1,#f4fbf9);border-color:#d6e9e6;display:flex;justify-content:space-between;align-items:center}.generator h2{font-family:Fraunces;font-size:20px}.generator p{margin-bottom:0}.view{display:none}.view.active{display:block}.students-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px}.students-list{display:grid}.student-row{padding:15px 2px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:13px}.student-row:last-child{border-bottom:0}.student-avatar{width:38px;height:38px;background:#d8efec;color:#16605c;border-radius:50%;display:grid;place-items:center;font-weight:700}.student-row>div{flex:1}.student-row h3{font-size:14px;margin:0}.student-row p{font-size:12px;color:var(--muted);margin:3px 0 0}.delete-student{color:#bd5a4a;border:0;background:transparent;cursor:pointer;font-size:19px}.empty{color:var(--muted);text-align:center;padding:34px}.info-card{padding:25px;height:max-content}.big-icon{font-size:33px;color:var(--teal);display:block;margin-bottom:14px}.room-list{display:grid;gap:12px}.room-list-item{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;align-items:center;gap:15px;max-width:750px}.room-list-item>div{flex:1}.room-list-item h2{margin:0}.room-list-item p{color:var(--muted);font-size:13px;margin:4px 0 0}.room-icon{background:var(--tint);color:var(--teal);width:46px;height:46px;border-radius:9px;display:grid;place-items:center;font-size:23px}dialog{border:0;background:transparent;padding:0}dialog::backdrop{background:#10262788}.modal{background:white;border-radius:15px;padding:28px;width:min(440px,calc(100vw - 30px));position:relative;box-shadow:0 20px 60px #0003}.modal h2{font:600 25px Fraunces;margin-bottom:22px}.close{border:0;background:none;color:var(--muted);font-size:25px;position:absolute;right:18px;top:13px;cursor:pointer}.modal label{font-size:13px;font-weight:600;display:block;margin:13px 0}.optional{font-weight:400;color:var(--muted)}input,select{display:block;width:100%;font:14px 'DM Sans';padding:11px 12px;border:1px solid #d5e0de;border-radius:8px;margin-top:6px;background:white}menu{padding:8px 0 0;margin:17px 0 0;display:flex;justify-content:flex-end;gap:8px}.share-modal{text-align:center}.share-modal p:not(.eyebrow){color:var(--muted);font-size:13px}.qr{width:130px;height:130px;background:repeating-linear-gradient(45deg,#163c3c 0 5px,#fff 5px 10px),repeating-linear-gradient(-45deg,#163c3c 0 4px,#fff 4px 9px);margin:13px auto;border:8px solid white;box-shadow:0 0 0 1px #dce7e5;display:grid;place-items:center}.qr span{background:#fff;color:var(--teal);font-size:28px;padding:8px}.copy-row{display:flex;gap:7px;margin:17px 0}.copy-row input{margin:0;font-size:11px}.share-modal small{color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;background:#173b3e;color:white;padding:11px 17px;border-radius:8px;transition:.25s;pointer-events:none}#toast.show{transform:translate(-50%,0);opacity:1}@media(max-width:950px){.sidebar{width:70px;padding:22px 9px}.brand{margin:0 10px 35px}.brand>span:last-child,.nav-item:not(.teacher) {font-size:0}.nav-item span{font-size:18px}.teacher>span:last-child{display:none}main{margin-left:70px;width:calc(100% - 70px);padding:30px}.workspace,.bottom-grid,.students-layout{grid-template-columns:1fr}.tool-card{display:none}}@media(max-width:650px){main{padding:22px 15px}.topbar,.content-head,.header-actions{align-items:flex-start;flex-wrap:wrap;gap:12px}.header-actions{width:100%}.header-actions .button{flex:1;font-size:12px;padding:10px 8px}.room{height:420px}.generator{display:grid;gap:16px}.desk.double{width:132px}.desk{min-width:74px}.seat{min-width:31px;font-size:9px}.board{left:25%;width:50%}.teacher-desk{left:30%}}