:root{--green:#073d2a;--gold:#f6cb52;--cream:#fff6e2;--ink:#18372c;--muted:#65736b;--wood:#85512c}*{box-sizing:border-box}body{margin:0;background:#e8e4d6;color:var(--ink);font-family:Arial,sans-serif}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:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #c78a00;outline-offset:4px}button{min-height:44px}h1,h2,h3,.brand{font-family:Georgia,serif}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,3.4vw,54px);font-weight:normal}h2{font-size:28px}p{line-height:1.55}.labbar{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:4px 24px;background:#18372c;color:#fff5df;font-size:11px;letter-spacing:.06em}.labbar i{color:var(--gold);padding:0 8px}.labbar button{min-height:30px;background:none;color:inherit;border:0;font-size:12px}.brand{font-size:29px;font-weight:bold;letter-spacing:-1.4px;display:flex;align-items:center;gap:8px}.brand small{font-family:Arial;font-size:11px;letter-spacing:.1em;color:#8b6c29;display:block}.brand svg{width:33px;height:33px}header{height:79px;background:#fff9ec;display:flex;align-items:center;justify-content:space-between;padding:12px 4%;box-shadow:0 2px 12px #0001;position:relative;z-index:4}header .center{font:22px Georgia;position:absolute;left:50%;transform:translateX(-50%)}.header-actions{display:flex;align-items:center;gap:16px}.connection{border:1px solid #c8d6c8;border-radius:30px;background:#e7f0df;color:var(--green);padding:8px 16px;text-align:left;font-size:12px;min-width:130px}.connection strong{font-size:15px;display:block}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2c9a51;margin-right:6px}.offline{background:#fff0b8}.offline .dot{background:#b68116}.menu-button{background:none;border:0;color:var(--green);display:grid;place-items:center;font-size:12px;gap:3px}.menu-button svg{height:22px}.scene{min-height:calc(100dvh - 117px);background-size:cover;background-position:center;position:relative;padding:28px 5% 45px;isolation:isolate}.scene:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#091b1515,#091b1500);z-index:-1}.campus{background-image:url('assets/campus.png')}.entrance{background-image:url('assets/entrance.png')}.classroom{background-image:url('assets/room.png')}.library{background-image:url('assets/library.png')}.role-stage{min-height:660px;display:grid;place-items:center}.welcome{text-align:center;position:relative;z-index:2;padding:22px 24px 32px;max-width:920px;width:100%;border-radius:40px;background:radial-gradient(ellipse,#fff9e9f5 30%,#fff9e9b8 60%,#fff9e900 75%)}.wordmark{font:clamp(42px,6vw,78px) Georgia;letter-spacing:-4px;margin-bottom:10px}.spark{color:#d39313}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.2em;font-weight:bold}.welcome h1{font-size:clamp(30px,4vw,56px);margin:0 0 32px}.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:750px;margin:auto}.role-card{background:var(--cream);color:var(--green);border:1px solid #fff9;box-shadow:0 10px 24px #143b2320;border-radius:20px;padding:30px 20px;font:28px Georgia;transition:transform .18s,box-shadow .18s;display:grid;gap:16px;place-items:center}.role-card:first-child{background:var(--green);color:var(--cream)}.role-card:nth-child(2){background:var(--gold)}.role-card:hover{transform:translateY(-5px);box-shadow:0 14px 28px #143b2340}.role-card svg{width:74px;height:74px}.role-card .go{font:13px Arial;opacity:.8}.admin-link{position:absolute;right:5%;top:24px;z-index:5;background:#fff9eddb;border:0;border-radius:20px;padding:8px 18px;color:var(--green)}.flower{position:absolute;right:0;bottom:0;width:37%;max-height:40vh;object-fit:contain;object-position:right bottom;pointer-events:none;z-index:1}.bird{position:absolute;left:3%;top:17%;width:17%;pointer-events:none;z-index:1}.subtle{color:var(--muted);font-size:13px}.demo-note{font-size:12px;background:#fff7e8d9;padding:10px 16px;border-radius:20px;max-width:max-content;margin:24px auto 0}.back,.pill{border:1px solid #d9d9c6;background:#fff8e9ed;color:var(--green);padding:10px 17px;border-radius:24px}.back{display:inline-flex;align-items:center;gap:8px}.signin-wrap{display:grid;place-items:center;min-height:620px;padding:10px}.signin{background:rgba(255,249,236,.70);border:1px solid rgba(255,255,255,.65);width:min(100%,470px);padding:34px 40px;border-radius:24px;box-shadow:0 18px 60px #18372c33;text-align:center;z-index:2}.signin h1{font-size:36px;margin-bottom:8px}.signin .cap{width:42px;height:42px;color:var(--green);margin:0 auto 10px}.field{display:grid;text-align:left;gap:8px;margin:20px 0}.field label{font-weight:600;font-size:14px}.field input,.field select,.field textarea,.search{width:100%;min-height:50px;padding:13px 15px;background:#fffdf6;border:1px solid #b8c0b4;border-radius:10px;color:var(--ink)}.pin-row{position:relative}.pin-row input{padding-right:70px}.pin-row button{position:absolute;right:6px;top:3px;border:0;background:transparent;color:var(--green);font-size:13px}.primary{background:var(--green);color:var(--cream);border:1px solid var(--green);border-radius:12px;padding:13px 24px;min-height:48px}.gold{background:var(--gold);color:var(--green);border:1px solid #bd9539}.wide{width:100%}.signin-links{display:flex;justify-content:space-between;gap:12px;margin-top:22px}.textbutton{background:none;border:0;text-decoration:underline;color:var(--green);font-size:13px;padding:5px}.error{color:#9c2924;font-size:13px;min-height:18px}.board-layout{display:grid;grid-template-columns:minmax(0,1fr) 185px;gap:28px;align-items:center;max-width:1180px;margin:38px auto 0}.board{background:linear-gradient(110deg,#0d453a,#103b2d);border:14px solid #87542d;border-image:linear-gradient(145deg,#af7846,#674022,#b47f43) 1;box-shadow:0 7px 0 #50301d,0 15px 35px #0004;position:relative;padding:32px 30px;color:var(--cream);min-height:440px}.board:before{content:'';position:absolute;inset:0;background:url('assets/board.png') center/100% 100%;opacity:.13;pointer-events:none}.board>*{position:relative}.board h1{text-align:center;margin-bottom:8px;font-size:clamp(28px,3.6vw,47px)}.chalk-line{height:3px;background:var(--gold);width:42%;margin:16px auto;transform:rotate(-1deg)}.board .instruction{text-align:center;font:21px Georgia;margin:0 0 24px}.subjects{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.subject{background:var(--cream);color:var(--green);border-radius:13px;padding:24px 8px 16px;border:1px solid #e6dcc8;display:grid;place-items:center;gap:12px;font:clamp(17px,2vw,25px) Georgia;transition:transform .15s}.subject:hover{transform:translateY(-4px);background:#ffedba}.subject svg{width:42px;height:42px}.circle{border-radius:50%;background:#0c4333;color:var(--cream);width:32px;height:32px;display:grid;place-items:center;font:20px Arial}.status-strip{border:1px solid var(--gold);border-radius:15px;display:grid;grid-template-columns:repeat(4,1fr);margin-top:24px;padding:8px}.status-strip button{background:none;border:0;color:inherit;display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;border-right:1px solid #a4b5a2;padding:10px 5px}.status-strip button:last-child{border:0}.status-strip svg{width:23px;height:23px;color:var(--gold)}.status-strip button:hover{background:#ffffff12}.library-sign{background:linear-gradient(135deg,#a56f3f,#623b20);border:3px solid #4f301b;color:#fff2cf;border-radius:5px;padding:20px 10px;box-shadow:0 7px 16px #0004;font:22px Georgia;transform:rotate(-2deg)}.library-sign svg{display:block;width:46px;height:46px;margin:0 auto 12px;color:var(--gold)}.student-tag{display:inline-block;background:#fff7e8e6;padding:8px 14px;font-size:13px;border-radius:20px;float:right}.footer-caption{font-size:12px;background:#fff9ead9;max-width:max-content;padding:9px 16px;border-radius:20px;margin:32px auto 0}.toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.filter-row .selected{background:var(--green);color:var(--cream);border-color:var(--gold)}.library-layout{max-width:1100px;margin:auto}.library .search{max-width:470px;box-shadow:0 4px 10px #0001}.shelf-row{margin-bottom:24px;border:10px solid #88532d;background:linear-gradient(90deg,#6d401f,#986135,#764725);box-shadow:0 9px 20px #0005;border-radius:5px}.shelf-heading{background:#0a382c;color:#fff2bd;padding:13px 22px;display:flex;justify-content:space-between;gap:10px;align-items:center}.shelf-heading h2{font-size:27px;margin:0;font-weight:normal}.shelf-heading small{font-size:12px}.books{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:24px 30px 15px}.book{background:#fff5db;color:var(--green);border:0;border-left:9px solid #d6af4e;border-radius:4px 10px 10px 4px;min-height:210px;box-shadow:6px 5px 9px #0004;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:20px 12px 12px;transition:transform .15s}.book:hover{transform:translateY(-7px)}.book:nth-child(2){background:#e2edce}.book:nth-child(3){background:#f9e3a9}.book:nth-child(4){background:#cce2d6}.book h3{font-size:25px;line-height:1.05;margin:0}.book svg{width:55px;height:55px;opacity:.75;margin:15px 0}.book small{background:var(--green);color:#fff6dd;border-radius:20px;padding:8px 20px}.empty{padding:24px;color:var(--cream)}.subject-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:20px auto}.subject-view{max-width:1160px;margin:auto;display:grid;grid-template-columns:1fr 270px;gap:24px}.subject-view .board{padding:22px;min-height:480px}.tabs{display:flex;gap:0;margin:20px 0}.tabs button{flex:1;border:1px solid #c6cdbd;padding:12px;background:#103b2d;color:var(--cream);font-size:15px}.tabs .active{background:var(--cream);color:var(--green);border-bottom:4px solid var(--gold)}.assignment-row{background:#fff7e5;color:var(--ink);border-radius:12px;margin:12px 0;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;text-align:left;border:0}.assignment-row h3{font-size:21px;margin:0 0 7px}.assignment-row small{font-size:12px;color:#56685e}.badge{display:inline-block;font:12px Arial;border-radius:18px;padding:8px 11px;background:#e8e9df;color:#294234;white-space:nowrap}.badge.wait{background:#ffe7a1}.badge.sent,.badge.marked{background:#d9eacb}.resource-tray{background:#8a592f;border:8px solid #64401f;box-shadow:0 8px 15px #0004;padding:12px;align-self:start;color:var(--cream);margin-top:0}.resource-tray h2{font:24px Georgia;text-align:center}.resource-tray button{display:block;text-align:left;width:100%;background:var(--cream);color:var(--green);border:0;border-radius:10px;padding:18px 12px;margin:12px 0}.resource-tray small{display:block;color:#5d6e60;margin-top:8px}.paper{background:#fff9ecf7;max-width:850px;margin:24px auto;border-radius:18px;padding:35px;box-shadow:0 15px 40px #0003}.paper h1{font-size:38px}.paper textarea{min-height:180px;resize:vertical;width:100%;border:1px solid #bac4b5;border-radius:10px;padding:15px;line-height:1.6}.paper .meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}.question{background:#f0efdf;padding:20px;border-radius:12px;margin:22px 0;line-height:1.7}.radio{display:block;padding:12px;border:1px solid #c1ccbb;border-radius:8px;margin:8px 0}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:18px}.reader{font:20px/1.8 Georgia;max-width:650px;margin:28px auto}.utilities{max-width:760px;margin:30px auto;background:#fff8eaf5;padding:30px;border-radius:15px}.download-row{display:flex;gap:15px;align-items:center;justify-content:space-between;border-bottom:1px solid #d4d9c7;padding:20px 0}.progress{height:7px;border-radius:8px;background:#e6e8d8;margin:12px 0}.progress span{display:block;height:100%;background:#226c47;border-radius:8px}.muted-white{color:#d5ddcb;font-size:12px}dialog{border:0;border-radius:22px;padding:30px;max-width:600px;width:calc(100% - 30px);max-height:88dvh;overflow:auto;color:var(--ink);background:var(--cream);box-shadow:0 20px 70px #0005}dialog::backdrop{background:#071c14aa;backdrop-filter:blur(4px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.close{border:1px solid #b9c9b7;background:none;border-radius:50%;min-width:44px;font-size:22px}.menu-list{display:grid;gap:8px}.menu-list button{padding:15px;border:1px solid #c4cebd;background:#fffdf5;border-radius:10px;text-align:left;color:var(--green)}.test-note{padding:10px;background:#fffdf5;border-bottom:1px solid #d4dbc7;font-size:13px}.checklist{display:grid;gap:10px;padding:15px 0}.checklist label{display:flex;gap:10px;align-items:center;font-size:14px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:30;background:#073d2a;color:var(--cream);border:1px solid var(--gold);padding:14px 24px;border-radius:16px;box-shadow:0 6px 25px #0004;opacity:0;pointer-events:none;max-width:90%;text-align:center;transition:opacity .2s}#toast.show{opacity:1}.skip{position:fixed;top:-60px;left:10px;background:var(--cream);z-index:100;padding:15px}.skip:focus{top:8px}.welcome .wordmark{margin-top:10px}.hide{display:none!important}@media(min-width:1500px){.role-stage{min-height:760px}.board-layout{margin-top:75px}.board{min-height:490px}}@media(max-width:900px){.scene{padding:20px 3% 35px}.board-layout{grid-template-columns:1fr;margin-top:25px;gap:20px}.library-sign{justify-self:end;padding:12px 20px;display:flex;align-items:center;gap:12px;font-size:19px}.library-sign svg{width:28px;height:28px;margin:0}.subject-view{grid-template-columns:1fr}.resource-tray{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.resource-tray h2{grid-column:1/-1;margin:0}.resource-tray button{margin:0}.books{gap:15px;padding:20px}.book{min-height:190px}.book h3{font-size:21px}.header-actions{gap:8px}header .center{display:none}.board{padding:25px 20px}.status-strip button{font-size:12px}}@media(max-width:600px){header{height:70px;padding:10px 16px}.brand{font-size:24px}.brand svg{width:25px}.connection{min-width:90px;padding:8px 11px;font-size:10px}.connection strong{font-size:13px}.labbar{padding:4px 12px;font-size:9px}.labbar span{max-width:65%}.labbar button{font-size:11px}.scene{min-height:calc(100dvh - 112px)}.role-stage{min-height:650px}.role-grid{grid-template-columns:1fr;gap:12px;max-width:310px}.role-card{padding:18px;display:flex;justify-content:space-between;font-size:25px;border-radius:15px}.role-card svg{height:44px;width:44px}.role-card .go{font-size:0}.role-card .go:after{content:'→';font-size:22px}.welcome{padding:60px 8px 25px}.welcome h1{margin-bottom:22px}.wordmark{font-size:48px}.bird{width:22%;top:13%;left:0}.flower{width:55%;max-height:200px}.signin{padding:28px 22px}.signin-wrap{min-height:620px}.signin-links{font-size:12px;gap:8px}.board{border-width:9px;padding:22px 14px;min-height:0}.board h1{font-size:30px}.subjects{grid-template-columns:repeat(2,1fr);gap:10px}.subject{font-size:19px;padding:18px 8px}.subject svg{width:30px;height:30px}.status-strip{grid-template-columns:repeat(2,1fr);padding:6px;margin-top:20px}.status-strip button:nth-child(2){border:0}.student-tag{float:none;margin-top:10px}.board-layout{margin-top:20px}.books{grid-template-columns:repeat(2,1fr);gap:18px;padding:18px}.shelf-heading h2{font-size:23px}.shelf-heading{padding:12px}.shelf-heading small{font-size:10px}.book{min-height:205px}.library .toolbar{align-items:stretch}.library .back{max-width:max-content}.paper{padding:24px 19px}.paper h1{font-size:30px}.assignment-row{flex-wrap:wrap;padding:15px}.assignment-row h3{font-size:20px}.badge{font-size:11px}.subject-tabs{justify-content:flex-start}.pill{padding:9px 12px;font-size:12px}.subject-view .board{padding:18px 12px}.resource-tray{grid-template-columns:1fr}.utilities{padding:22px 18px}.download-row{align-items:start}.header-actions .menu-button{font-size:10px}.footer-caption{line-height:1.5}.reader{font-size:18px}.signin h1{font-size:31px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* Use the original furniture artwork as surface textures behind live controls. */
.board{background-image:linear-gradient(#073d2a22,#073d2a22),url('assets/board.png');background-size:114% 120%;background-position:center}.board:before{display:none}.shelf-row{background-image:url('assets/shelf.png');background-size:110% 220%;background-position:center 35%}
.office{background:#fff9ecf5;padding:35px;border-radius:20px;max-width:1160px;margin:30px auto;box-shadow:0 15px 40px #0003}.office h1{font-size:38px}.office h2{margin-top:28px}.class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}.class-card{border:1px solid #b7c4b0;border-radius:14px;padding:24px;background:var(--cream);color:var(--green);text-align:left}.class-card svg{width:32px;height:32px}.class-card h3{font-size:24px;margin:12px 0}.class-card p{font-size:13px;color:var(--muted)}.class-card:hover{box-shadow:0 0 0 2px var(--gold)}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:24px 0}.metrics div{padding:18px;background:#e8eddd;border-radius:13px}.metrics strong{display:block;font:36px Georgia;color:var(--green)}.metrics span{display:block;font-size:12px;margin-top:7px}.child-card{padding:24px;background:#fffdf5;border:1px solid #c9d3bc;border-radius:14px;margin:20px 0}.teacher-name{font:11px Arial;color:#5b705f}.table-wrap{overflow:auto;margin:20px 0}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:14px;border-bottom:1px solid #c7d0bd}th{background:#e7eddb}td button{font-size:12px}.roster-row{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid #829780;padding:12px 0}.roster-list{display:grid;gap:16px;margin:20px 0}.feedback{background:#dcead2;border:1px solid #91b17d;border-radius:12px;padding:24px;margin:24px 0}.feedback h2{margin:0 0 14px}.notice{border-left:4px solid #c89723;background:#fff0ba;color:#4b481d;padding:15px;line-height:1.6;font-size:14px}.answer-area{margin-top:28px}.tester-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tester-switch button{text-align:left;font-size:12px}.office .assignment-row{border:1px solid #d3dcc4}.office .assignment-row p{font-size:14px;margin:8px 0 0}.tabs .active{font-weight:bold}.subject-tabs .selected{background:var(--green);color:var(--cream);border-color:var(--gold)}fieldset{border:1px solid #c5d0bb;border-radius:10px;margin:15px 0}a.primary{text-decoration:none;display:inline-flex;align-items:center}input[type=file]{max-width:100%;padding:12px;background:#fff9ec;color:var(--ink);border-radius:8px}.field textarea{min-height:100px}.board .roster-row .back{color:var(--green)}.board>p{position:relative}details summary{cursor:pointer;font-weight:bold}.download-row h3{margin-bottom:8px}.muted-white{color:#dbe6d5}.board .primary{margin-bottom:10px}.resource-tray{overflow-wrap:anywhere}.books .book h3{overflow-wrap:anywhere}.books{grid-template-columns:repeat(4,minmax(0,1fr))}.subject-view .board h1{overflow-wrap:anywhere}.status-strip button{overflow-wrap:anywhere}.signin .field small{font-size:12px;line-height:1.5;color:#435a4a}@media(max-width:850px){.class-grid{grid-template-columns:repeat(2,1fr)}.office{padding:25px}.teacher-name{font-size:10px}}@media(max-width:600px){.class-grid{grid-template-columns:1fr}.office{padding:22px 16px}.office h1{font-size:30px}.metrics{grid-template-columns:repeat(2,1fr)}.metrics strong{font-size:30px}.tester-switch{grid-template-columns:1fr}.roster-row{flex-wrap:wrap}.books{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-view{display:block}.resource-tray{margin-top:24px}.child-card{padding:18px}.status-strip button{font-size:12px}}