@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap";*{box-sizing:border-box}body{color:var(--ink);background:var(--bg);margin:0;font-family:DM Sans,system-ui,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button,a{transition:background .18s,transform .18s,box-shadow .18s}:is(button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible){outline-offset:3px;outline:3px solid #9c8ff0}h1,h2,h3{letter-spacing:-.7px;font-family:Manrope,system-ui,sans-serif}h1{margin:13px 0 19px;font-size:40px;font-weight:800;line-height:1.25}h2{margin:0 0 10px;font-size:24px;font-weight:800;line-height:1.35}h3{margin:0 0 10px;font-size:17px;font-weight:750;line-height:1.5}p{color:var(--muted);margin:8px 0 16px;line-height:1.8}small{color:var(--muted);font-size:11px}a{color:var(--purple);text-decoration:none}.app{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--line);background:#fff;flex-direction:column;width:242px;height:100vh;padding:31px 22px 24px;display:flex;position:fixed}.brand{letter-spacing:-1px;align-items:center;gap:11px;font-family:Manrope,sans-serif;font-size:20px;font-weight:800;display:flex}.brand b{color:var(--purple)}.brand small{letter-spacing:1.65px;margin-top:4px;font:8px DM Sans,sans-serif;display:block}.brand-icon{color:#fff;background:var(--purple);border-radius:13px;place-items:center;width:43px;height:45px;display:grid;box-shadow:0 5px 12px #7160d525}.nav-label{letter-spacing:1.8px;color:#a5a1b4;margin:48px 13px 17px;font-size:9px;font-weight:700;display:block}.sidebar nav .nav-label{margin-top:30px}.nav-link{color:#827d92;text-align:left;background:0 0;border:0;border-radius:10px;align-items:center;gap:13px;width:100%;margin:4px 0;padding:14px 13px;font-size:12px;font-weight:500;display:flex}.nav-link.active{background:var(--pale);color:var(--purple);font-weight:700}.nav-link:hover{background:#f5f2fc}.badge{color:var(--purple);background:#e5defb;border-radius:4px;margin-left:auto;padding:2px 5px;font-size:10px}.sidebar-bottom{margin-top:auto}.school-mark{color:#6e697f;border-top:1px solid var(--line);padding:20px 12px;font-size:11px}.school-mark small{margin-top:5px;font-size:9px;display:block}.workspace{width:calc(100% - 242px);margin-left:242px}header{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;gap:14px;height:83px;padding:0 40px;display:flex}.crumb{color:#aaa5b6;align-items:center;gap:13px;font-size:11px;display:flex}.crumb b{color:#6e687f;font-weight:500}.header-actions{align-items:center;gap:14px;display:flex}.icon-button{border:1px solid var(--line);color:#8b849e;background:#fff;border-radius:10px;flex-shrink:0;place-items:center;width:35px;height:35px;display:grid}.icon-button:hover{color:var(--purple);background:var(--pale)}.teacher-login{color:#8b829a;align-items:center;gap:7px;font-size:11px;display:flex}.avatar{width:34px;height:34px;color:var(--purple);background:#eae5fb;border-radius:50%;place-items:center;font-weight:700;display:grid}.user-name{font-size:12px}.user-name small{font-size:9px;display:block}.button{background:var(--purple);color:#fff;border:none;border-radius:10px;justify-content:center;align-items:center;gap:12px;padding:14px 22px;font-size:12px;font-weight:600;display:inline-flex;box-shadow:0 5px 10px #7160d516}.button:hover{background:#6251c4;transform:translateY(-1px)}.button.small{padding:10px 14px;font-size:11px}.button.secondary{color:var(--purple);box-shadow:none;background:#fff;border:1px solid #ddd7f1}.button.secondary:hover{background:#f3efff}.text-button{color:var(--purple);background:0 0;border:0;align-items:center;gap:6px;padding:8px;font-size:12px;display:inline-flex}.danger{color:#bc5a58}main{max-width:1360px;min-height:calc(100vh - 130px);margin:auto;padding:35px 40px 45px}footer{color:#aaa4b8;text-align:center;letter-spacing:.3px;padding:0 20px 25px;font-size:10px}footer span{margin:0 10px}.greeting{background:linear-gradient(115deg,#eee9fd,#f4f1ff 60%,#eff0ff);border:1px solid #e7e1f6;border-radius:22px;grid-template-columns:1.15fr 1fr;min-height:360px;padding:37px 38px;display:grid;position:relative;overflow:hidden}.eyebrow{letter-spacing:1.2px;color:#8c7dab;align-items:center;gap:7px;font-size:9px;font-weight:700;display:flex}.live-dot{background:var(--purple);border-radius:50%;width:6px;height:6px}.greeting h1{letter-spacing:-1.5px;font-size:39px}.greeting .button{margin-top:3px}.hero-tags{color:#9286a8;gap:17px;margin-top:22px;font-size:9px;display:flex}.hero-tags span{align-items:center;gap:4px;display:flex}.hero-art{align-self:center;min-height:275px;position:relative}.orbit{border:1px dashed #c6b9e985;border-radius:50%;width:85%;height:90%;position:absolute;top:3%;left:10%;transform:rotate(-20deg)}.orbit.two{border-color:#d3c7f180;width:63%;height:120%;top:-10%;left:20%;transform:rotate(40deg)}.floating{color:#756193;z-index:2;background:#fff;border:1px solid #e8e2f6;border-radius:12px;padding:13px 18px;font-family:Manrope,sans-serif;font-size:13px;font-weight:700;position:absolute;transform:rotate(-9deg);box-shadow:0 8px 18px #6d529817}.word1{top:15%;left:3%}.word1 span{font-size:20px}.word2{color:#7d74b8;top:38%;right:-1%;transform:rotate(10deg)}.word3{color:#b48b71;bottom:6%;right:13%;transform:rotate(-6deg)}.book-art{filter:drop-shadow(0 20px 12px #8074ab24);width:51%;height:55%;display:flex;position:absolute;top:27%;left:25%;transform:rotate(-9deg)}.book-page{width:50%;height:100%;color:var(--purple);background:#fffdfc;border-bottom:8px solid #8b77c9;padding:22px 12px}.book-page.left{background:linear-gradient(100deg,#fdfbff,#f2edfb);border-right:1px solid #e2d8f6;border-radius:10px 1px 2px 13px;font-size:20px;line-height:1.2;transform:skewY(8deg)}.book-page.left b{letter-spacing:1px;font-size:12px}.book-page.left span{color:#c4b6e7;margin-top:9px;font-size:40px;display:block}.book-page.right{border-left:2px solid #e8e1f5;border-radius:1px 10px 13px 2px;transform:skewY(-8deg)}.book-page.right div{background:#e5ddf4;border-radius:2px;width:90%;height:4px;margin-bottom:9px}.book-page.right div:nth-child(2){width:60%}.book-page.right strong{color:#c0b0e8;text-align:center;margin-top:21px;font-size:35px;display:block}.art-star{color:#b19ae0;font-size:30px;position:absolute}.s1{top:8%;right:22%}.s2{color:#e2b27a;font-size:23px;bottom:14%;left:15%}.art-letter{color:#ac99cb;letter-spacing:5px;font-size:11px;position:absolute;top:12%;left:49%;transform:rotate(14deg)}.stats-grid{grid-template-columns:repeat(4,1fr);gap:17px;margin:24px 0 34px;display:grid}.stat{border:1px solid var(--line);background:#fff;border-radius:13px;align-items:center;gap:12px;padding:20px 17px;display:flex}.stat-icon{border-radius:12px;flex-shrink:0;place-items:center;width:44px;height:44px;display:grid}.purple{color:#9c83d8;background:#f0ebfb}.blue{color:#7ca5da;background:#eaf2ff}.coral{color:#dba393;background:#fceee8}.gold{color:#d8b367;background:#fff6df}.green{color:#56a080;background:#e5f6ee}.stat b{font:800 25px Manrope,sans-serif;display:block}.stat span{color:#a29bad;margin-top:4px;font-size:9px;display:block}.section-title{margin:7px 0 22px}.section-title h2{margin:0 0 7px;font-size:22px}.section-title p{margin:0;font-size:11px}.grades{grid-template-columns:repeat(4,1fr);gap:18px;display:grid}.grade-card{border:1px solid var(--line);text-align:left;background:#fff;border-radius:15px;min-height:171px;padding:23px 22px;position:relative}.grade-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #6055880b}.grade-number{color:#a691cb;align-items:baseline;gap:8px;font:800 36px Manrope,sans-serif;display:flex}.grade-number small{letter-spacing:1px;color:inherit;font-size:9px}.grade-card>span{margin:12px 0 6px;font-size:11px;font-weight:600;display:block}.grade-card>small{font-size:9px}.grade-card>svg{color:#a8a0b8;position:absolute;bottom:18px;right:18px}.feature-grid{grid-template-columns:1fr 1fr;gap:19px;margin-top:29px;display:grid}.feature{text-align:left;background:#f4f0fc;border:1px solid #e9e2f5;border-radius:15px;align-items:center;gap:16px;padding:21px;display:flex}.feature-peach{background:#fdf4ed;border-color:#f1e7de}.feature-icon{font-size:28px}.feature h3{margin:0 0 6px;font-size:13px}.feature p{margin:0;font-size:10px;line-height:1.6}.feature svg{color:#ab98c8;flex-shrink:0;width:16px;margin-left:auto}.grade-picker{border:1px solid var(--line);background:#fff;border-radius:12px;gap:7px;width:fit-content;margin-bottom:23px;padding:5px;display:flex}.grade-picker button{color:#9b91a7;background:0 0;border:0;border-radius:8px;padding:11px 20px;font-size:12px;font-weight:600}.grade-picker .selected{color:var(--purple);background:var(--pale)}.units-grid{grid-template-columns:repeat(3,1fr);gap:21px;display:grid}.unit-card{border:1px solid var(--line);text-align:left;background:#fff;border-radius:16px;flex-direction:column;min-height:233px;padding:24px;display:flex}.unit-top{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.unit-top>span{color:#a59caf;background:#f8f6fa;border-radius:4px;padding:5px 8px;font-size:9px}.unit-icon{background:#f2effb;border-radius:15px;flex-shrink:0;place-items:center;width:54px;height:54px;font-size:29px;display:grid}.color-1{background:#eeecff}.color-2{background:#ecf4ff}.color-3{background:#fff4e2}.color-4{background:#e9f4ed}.color-0{background:#ffefe9}.unit-card>small{color:#a99cba;letter-spacing:1.4px;font-size:8px;font-weight:700}.unit-card h3{margin:8px 0 4px;font-size:16px}.unit-card p{margin:0 0 19px;font-size:10px}.unit-bottom{border-top:1px solid var(--line);color:var(--purple);justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;font-size:10px;display:flex}.notice{color:#817293;background:#f1eefb;border:1px solid #e6dff6;border-radius:12px;align-items:center;gap:13px;margin:18px 0;padding:17px 20px;font-size:12px;line-height:1.7;display:flex}.notice p{color:inherit;margin:0}.notice .button{flex-shrink:0;margin-left:auto}.back{color:#9385ac;background:0 0;border:0;align-items:center;gap:8px;padding:0 0 23px;font-size:12px;display:flex}.unit-heading{align-items:center;gap:20px;margin:0 0 30px;display:flex}.unit-heading .unit-icon{width:75px;height:75px;font-size:39px}.unit-heading h1{margin:8px 0 0;font-size:30px}.tabs{border-bottom:1px solid var(--line);gap:5px;margin-bottom:25px;display:flex;overflow-x:auto}.tabs button{color:#9e93aa;white-space:nowrap;background:0 0;border:0;border-bottom:3px solid #0000;padding:14px 18px;font-size:12px}.tabs button.selected{color:var(--purple);border-color:var(--purple);font-weight:700}.panel,.quiz-panel,.game-panel{border:1px solid var(--line);background:#fff;border-radius:16px;margin-bottom:22px;padding:28px}.panel h2{font-size:20px}.word-area{max-width:530px;margin:32px auto}.flash-card{cursor:pointer;text-align:center;background:linear-gradient(125deg,#eee9fc,#f8f5ff);border:1px solid #ded5f1;border-radius:22px;flex-direction:column;justify-content:center;align-items:center;min-height:260px;padding:25px;display:flex}.flash-card small{letter-spacing:2px;color:#a192b6;font-size:9px}.flash-card h2{color:#7763a7;overflow-wrap:anywhere;margin:27px 0;font-size:38px}.flash-card span{color:#a395b7;align-items:center;gap:6px;font-size:10px;display:flex}.flash-controls{justify-content:center;align-items:center;gap:24px;margin-top:20px;display:flex}.flash-controls b{color:#a196b2;font-size:12px}.builder-header{justify-content:space-between;align-items:center;gap:15px;margin-bottom:17px;display:flex}.builder-header h2,.builder-header h3{margin:0}.builder-header p{margin:5px 0}.search{border:1px solid var(--line);color:#aa9ab9;background:#fff;border-radius:8px;align-items:center;gap:8px;padding:9px 12px;display:flex}.search input{min-width:0;box-shadow:none;border:0;outline:none;width:170px;padding:0;font-size:11px}.search.full{margin-bottom:20px}.search.full input{width:100%}.word-grid{grid-template-columns:repeat(3,1fr);gap:0 24px;display:grid}.word-grid>div{border-bottom:1px solid var(--line);justify-content:space-between;gap:10px;padding:17px 0;display:flex}.word-grid b{font-size:12px;font-weight:600}.word-grid span{color:#a297b1;font-size:11px}.game-panel,.quiz-panel{max-width:800px;margin:24px auto;padding:32px}.game-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:23px;display:flex}.game-header h2{margin:0;font-size:21px}.game-header>span,.game-header>b{color:#a293b3;font-size:11px}.matching{grid-template-columns:1fr 1fr;gap:40px;margin:25px 0;display:grid}.matching>div{flex-direction:column;gap:12px;display:flex}.matching button{color:#87729e;text-align:left;background:#fff;border:1px solid #e7e0f4;border-radius:10px;justify-content:space-between;align-items:center;padding:18px;display:flex}.matching button.selected{border-color:var(--purple);background:var(--pale)}.matching button.matched{color:#63a189;opacity:1;background:#ecf8f1;border-color:#ccebdc}.feedback{border-radius:12px;align-items:flex-start;gap:13px;margin:22px 0;padding:19px;animation:.25s pop;display:flex}.feedback.success{color:#4e9979;background:#eaf7f0}.feedback.error{color:#be856b;background:#fff0e9}.feedback b{font-size:13px}.feedback p{color:inherit;margin:6px 0 0;font-size:12px}.feedback svg{flex-shrink:0}.pill{color:#9b83b7;letter-spacing:.7px;white-space:nowrap;background:#f0eafa;border-radius:6px;padding:8px 11px;font-size:9px}.warning{color:#b09560;background:#fff2d7}.progress-track{background:#f0ecf6;border-radius:10px;height:5px;overflow:hidden}.progress-track i{background:#a18bd8;height:100%;transition:width .3s;display:block}.question-meta{flex-wrap:wrap;align-items:center;gap:9px;margin:25px 0 12px;display:flex}.question-meta span{color:#a091b0;background:#f5f2fa;border-radius:4px;padding:5px 8px;font-size:10px}.question-meta small{margin-left:auto}.question-stem{white-space:pre-wrap;letter-spacing:-.3px;margin:21px 0 27px;font-size:20px;line-height:1.8}.options{flex-direction:column;gap:12px;display:flex}.options button{text-align:left;color:#84738f;opacity:1;background:#fff;border:1px solid #e8e2f2;border-radius:11px;align-items:center;gap:14px;padding:17px 18px;display:flex}.options button:hover:not(:disabled){background:#f8f5ff;border-color:#cbbbe7}.options button>span{background:#f3eff8;border-radius:7px;flex-shrink:0;place-items:center;width:29px;height:29px;font-size:12px;display:grid}.options b{white-space:pre-wrap;font-size:13px;font-weight:500;line-height:1.7}.options button svg{flex-shrink:0;margin-left:auto}.options button.correct{color:#48896a;background:#edf8f1;border-color:#a6d9c2}.options button.incorrect{color:#b98169;background:#fff3ed;border-color:#e9b5a0}.question-source{margin-top:25px;font-size:9px;display:block}.question-image{object-fit:contain;max-width:100%;max-height:400px;margin:15px 0;display:block}.write-answer{width:100%;margin:15px 0 22px;padding:18px!important;font-size:20px!important}.empty{text-align:center;color:#a391bc;background:#fefcff;border:1px dashed #ddd4ee;border-radius:17px;max-width:850px;margin:24px auto;padding:55px 25px}.empty>svg{margin-bottom:18px}.empty h2{color:var(--ink);font-size:24px}.empty p{font-size:13px}.empty.celebration>span{margin-bottom:20px;font-size:65px;display:block}.exam-builder{grid-template-columns:1fr 300px;gap:30px;display:grid}.unit-checks{grid-template-columns:1fr 1fr;gap:13px;margin:15px 0 25px;display:grid}.unit-checks label{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:11px;padding:17px;font-size:12px;display:flex}.unit-checks label.checked{background:#f7f2ff;border-color:#cdbbe8}.unit-checks label>span{font-size:24px}.unit-checks b{font-size:11px;line-height:1.4;display:block}.unit-checks small{letter-spacing:1px;margin-bottom:5px;font-size:8px;display:block}.builder-settings{border:1px solid var(--line);background:#fff;border-radius:17px;height:fit-content;padding:27px}.large-icon{margin-bottom:19px;font-size:37px;display:block}.builder-settings h2{font-size:20px}.builder-settings p{font-size:10px}.builder-settings .button{width:100%;margin-top:12px}.form-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.inline-label{color:#9585a4;align-items:center;gap:9px;margin:15px 0!important;font-size:12px!important;display:flex!important}input[type=checkbox],input[type=radio]{accent-color:var(--purple);flex-shrink:0;height:16px;padding:0;width:16px!important}label{color:#9486a3;margin:17px 0;font-size:11px;font-weight:500;display:block}input,select,textarea{color:var(--ink);background:#fff;border:1px solid #e6deef;border-radius:8px;width:100%;margin-top:7px;padding:12px 13px;font-size:12px;line-height:1.6;display:block}input::placeholder,textarea::placeholder{color:#b5a9c0}textarea{resize:vertical}select{min-width:0}.filter-bar{align-items:flex-start;gap:20px;margin:20px 0;display:flex}.filter-bar>select{width:320px;margin-top:0}.inline-form{align-items:center;gap:14px;display:flex}.inline-form input,.inline-form select{margin:0}.inline-form .button{white-space:nowrap}.inline-form select{width:140px}.class-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.class-card .class-code{letter-spacing:5px;color:var(--purple);margin:16px 0;font-family:Manrope,monospace;font-size:30px;font-weight:800}.class-card p{font-size:11px}.class-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:17px;display:flex}.table-wrap{overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%;font-size:12px}th{color:#a696b6;letter-spacing:.4px;font-size:10px;font-weight:500}th,td{border-bottom:1px solid var(--line);vertical-align:top;padding:16px 12px}td details{color:#9b89ac;margin-top:10px;font-size:10px}td details p{margin:5px 0;font-size:10px}.green-text{color:var(--green)!important}.coral-text{color:var(--coral)!important}.purple-text{color:var(--purple)}.upload-zone{cursor:pointer;color:#a18abd;background:#faf7ff;border:2px dashed #d8c9eb;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:13px;padding:35px;display:flex;position:relative}.upload-zone input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.upload-zone b{font-size:14px}.upload-zone small{font-size:10px}.upload-history{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:15px 0;display:flex}.upload-history b{font-size:12px}.upload-history small{margin-left:auto}.question-list-card h3,.draft-card h3{white-space:pre-wrap;font-size:15px;line-height:1.8}.question-list-card p,.draft-card p{margin:7px 0;font-size:12px;line-height:1.7}.question-list-card .question-meta{margin-top:0}.pagination{justify-content:center;align-items:center;gap:20px;display:flex}.pagination button{border:1px solid var(--line);color:var(--purple);background:#fff;border-radius:8px;padding:8px}.pagination span{color:#9e90b0;font-size:12px}.assignment{border:1px solid var(--line);color:#a58abd;background:#fff;border-radius:13px;align-items:center;gap:18px;margin:15px 0;padding:22px;display:flex}.assignment b{color:var(--ink);font-size:13px}.assignment small{margin-top:7px;display:block}.assignment .button{margin-left:auto}.badges{grid-template-columns:repeat(4,1fr);gap:20px;padding:15px;display:grid}.badges>div{text-align:center;background:#faf6ff;border-radius:15px;padding:20px}.badges span{margin-bottom:14px;font-size:43px;display:block}.badges b{font-size:12px;display:block}.badges small{margin-top:7px;display:block}.badges .locked{filter:grayscale();opacity:.45}.progress-row{border-bottom:1px solid var(--line);grid-template-columns:250px 1fr 105px;align-items:center;gap:23px;padding:20px 0;font-size:12px;display:grid}.source-link{border:1px solid var(--line);border-radius:10px;align-items:center;gap:14px;margin:15px 0;padding:18px;font-size:12px;display:flex}.source-link svg:last-child{margin-left:auto}.panel>p{font-size:12px}.exam-layout{grid-template-columns:1fr 260px;gap:25px;display:grid}.exam-layout .quiz-panel{max-width:none;margin:0}.exam-map{height:fit-content}.exam-map p{font-size:11px}.exam-map .button{width:100%;padding:13px 10px;font-size:11px}.question-numbers{grid-template-columns:repeat(5,1fr);gap:8px;margin:23px 0;display:grid}.question-numbers button{color:#a294b5;background:#f7f3fc;border:1px solid #eae0f4;border-radius:7px;padding:10px 0;font-size:11px}.question-numbers button.answered{color:var(--purple);background:#e9e0fa}.question-numbers button.current{border:2px solid var(--purple)}.timer{font-variant-numeric:tabular-nums;align-items:center;gap:8px;display:flex;color:var(--purple)!important;font-size:17px!important}.timer.urgent{animation:1s infinite pulse;color:var(--coral)!important}.exam-controls{justify-content:space-between;align-items:center;gap:10px;margin-top:25px;display:flex}.result-title{text-align:center;margin:15px 0 40px}.result-title>span{font-size:65px}.result-title h1{font-size:30px}.review-question{border-top:1px solid var(--line);padding:24px 0}.review-question h3{white-space:pre-wrap;font-size:15px}.review-question p{margin:10px 0;font-size:12px}.review-question>b{font-size:12px}.print-tools{justify-content:space-between;display:flex}.print-sheet{border:1px solid var(--line);background:#fff;max-width:850px;margin:auto;padding:35px 50px}.print-sheet h1{text-align:center;font-size:27px}.print-sheet h2{text-align:center;font-size:20px}.print-sheet p{color:#555;font-size:12px}.printed-question{break-inside:avoid;white-space:pre-wrap;padding:20px 0}.printed-question>b{font-size:13px;line-height:1.8;display:block}.printed-question p{color:#333;margin:8px 0}.printed-question img{max-width:100%;max-height:260px}.answer-page{break-before:page}.answer-grid{grid-template-columns:repeat(5,1fr);gap:20px;display:grid}.modal-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:50;background:#34274780;justify-content:center;align-items:center;padding:25px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:21px;width:100%;max-width:670px;max-height:92vh;padding:35px;position:relative;overflow-y:auto;box-shadow:0 20px 70px #20153530}.login-modal{max-width:440px}.login-modal .brand{margin-bottom:29px}.login-modal h2{font-size:23px}.login-modal p{font-size:12px}.login-modal .button{width:100%;margin-top:20px}.modal-close{position:absolute;top:17px;right:17px}.hint{font-size:10px;line-height:1.8;display:block}.question-editor h2{font-size:22px}.option-editor{align-items:center;gap:12px;margin:12px 0;display:flex}.option-editor>input[type=radio],.option-editor>input{margin:0}.option-editor b{font-size:12px}.question-editor .button{margin-top:20px}.toast{color:#fff;z-index:100;background:#3d3356;border-radius:12px;align-items:center;gap:20px;width:max-content;max-width:90vw;padding:17px 23px;font-size:12px;line-height:1.6;display:flex;position:fixed;bottom:25px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #30253d30}.toast button{color:#fff;background:0 0;border:0;display:flex}.loading{text-align:center;color:#9b86b3;padding:70px}.spinner{border:2px solid #ddd0ed;border-top-color:#937bb5;border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.8s linear infinite spin}.wide .sidebar{display:none}.wide .workspace{width:100%;margin-left:0}.wide main{max-width:1600px}.wide .options b{font-size:22px}.wide .nav-link{font-size:18px}@keyframes pop{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}@keyframes pulse{50%{opacity:.55}}@keyframes spin{to{transform:rotate(360deg)}}@media (min-width:1450px){main{padding:40px 50px}.greeting h1{font-size:47px}.greeting{padding:45px}.hero-art{height:310px}.brand{font-size:21px}.stat span{font-size:11px}.stat b{font-size:29px}.grade-card>span{font-size:13px}.grade-card>small{font-size:11px}.grade-card{min-height:185px}.feature h3{font-size:16px}.feature p{font-size:12px}}@media (max-width:1120px){.sidebar{width:208px;padding:25px 15px}.brand{gap:9px;font-size:17px}.brand-icon{width:38px;height:40px}.brand small{font-size:7px}.workspace{width:calc(100% - 208px);margin-left:208px}header{padding:0 25px}main{padding:27px 25px}.greeting{grid-template-columns:1.2fr 1fr;padding:28px}.greeting h1{font-size:31px}.hero-tags{gap:10px;font-size:8px}.hero-art{min-height:225px}.floating{padding:10px 12px;font-size:10px}.book-page.left{padding:18px 10px;font-size:16px}.book-page.left b{font-size:8px}.book-page.right{padding:18px 10px}.book-page.right strong{margin-top:10px;font-size:26px}.stat{gap:8px;padding:15px 11px}.stat-icon{width:34px;height:36px}.stat b{font-size:20px}.stat span{font-size:8px}.grade-card{padding:19px 15px}.grade-number{font-size:30px}.grades{gap:12px}.units-grid,.class-grid{grid-template-columns:1fr 1fr}.exam-builder{grid-template-columns:1fr 270px;gap:20px}.exam-layout{grid-template-columns:1fr 230px;gap:18px}.word-grid{grid-template-columns:1fr 1fr}.feature{gap:10px;padding:17px}.feature-icon{font-size:24px}}@media (max-width:850px){.sidebar{border:0;border-bottom:1px solid var(--line);width:100%;height:auto;padding:15px 20px;display:block;position:static}.sidebar>.nav-label,.sidebar-bottom{display:none}.sidebar nav{gap:5px;margin-top:17px;display:flex;overflow-x:auto}.sidebar nav .nav-label{display:none}.nav-link{white-space:nowrap;gap:8px;width:auto;padding:9px 13px;font-size:11px}.nav-link svg{width:16px}.app{display:block}.workspace{width:100%;margin:0}.brand{font-size:19px}.brand small{font-size:8px}.brand-icon{width:42px;height:42px}header{height:65px;padding:0 20px}.crumb{gap:8px;font-size:10px}.header-actions{gap:9px}.teacher-login,.header-actions .button{font-size:10px}.exam-builder{grid-template-columns:1fr 265px}.greeting{grid-template-columns:1.2fr 1fr;min-height:315px}.stats-grid{gap:12px}.greeting h1{font-size:34px}.hero-art{min-height:230px}.book-page.left b{font-size:10px}.book-page.left{font-size:18px}.progress-row{grid-template-columns:210px 1fr 90px}.wide .sidebar{display:block}}@media (max-width:640px){main{padding:22px 16px}.greeting{min-height:0;padding:25px;display:block}.greeting h1{margin:18px 0;font-size:32px}.greeting p{font-size:12px}.hero-art{display:none}.hero-tags{gap:10px;font-size:8px}.eyebrow{font-size:8px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 28px}.stat{padding:17px 12px}.stat b{font-size:25px}.stat span{font-size:9px}.stat-icon{width:38px;height:40px}.grades{grid-template-columns:1fr 1fr;gap:11px}.grade-card{min-height:163px;padding:20px}.grade-card>span{font-size:11px}.grade-card>small{font-size:9px}.grade-number{font-size:35px}.feature-grid{grid-template-columns:1fr;gap:13px;margin-top:23px}.feature{padding:22px}.feature h3{font-size:14px}.feature p{font-size:11px}.section-title h2{font-size:22px}.section-title p{font-size:11px;line-height:1.8}.crumb{display:none}.header-actions{margin-left:auto}.teacher-login{font-size:10px}.teacher-login svg{display:none}.units-grid{grid-template-columns:1fr;gap:15px}.unit-card{min-height:0;padding:24px}.unit-top{margin-bottom:18px}.unit-card h3{font-size:19px}.unit-card p{font-size:11px}.grade-picker{justify-content:space-between;width:100%;margin:0 0 20px}.grade-picker button{padding:11px 12px;font-size:11px}.notice{flex-wrap:wrap;align-items:flex-start;padding:16px;font-size:11px}.notice .button{margin-left:0}.unit-heading{gap:14px}.unit-heading .unit-icon{width:60px;height:60px;font-size:30px}.unit-heading h1{font-size:24px}.tabs{margin-left:-5px;margin-right:-5px}.tabs button{padding:13px;font-size:11px}.word-grid{grid-template-columns:1fr}.word-grid>div{padding:15px 0}.panel,.quiz-panel,.game-panel{border-radius:13px;padding:22px 18px}.builder-header{flex-wrap:wrap;align-items:center}.search,.search input{width:100%}.flash-card{min-height:240px}.flash-card h2{font-size:33px}.matching{gap:14px}.matching button{padding:16px 12px;font-size:12px}.question-stem{font-size:18px}.options button{gap:10px;padding:15px 12px}.options b{font-size:12px}.feedback{padding:16px}.exam-builder,.exam-layout{display:block}.builder-settings{margin-top:20px}.unit-checks{grid-template-columns:1fr}.exam-map{margin-top:20px}.question-numbers{grid-template-columns:repeat(8,1fr)}.exam-controls .button{padding:12px;font-size:11px}.exam-controls .text-button{font-size:10px}.class-grid{grid-template-columns:1fr}.class-card .class-code{font-size:34px}.inline-form{flex-wrap:wrap}.inline-form input{width:100%}.inline-form select{flex:1}.filter-bar{display:block}.filter-bar>select{width:100%}.form-grid{grid-template-columns:1fr;gap:0}.upload-history{flex-wrap:wrap}.upload-history small{width:100%;margin-left:0}.badges{grid-template-columns:1fr 1fr;gap:12px;padding:0}.progress-row{grid-template-columns:1fr 80px;gap:10px}.progress-row .progress-track{grid-area:2/1}.progress-row small{text-align:right;grid-area:2/2}.progress-row>span{grid-column:1/3}.modal{padding:25px 20px}.modal-backdrop{padding:14px}.login-modal .brand{margin-top:8px}.login-modal h2{font-size:22px}.question-editor .form-grid{grid-template-columns:1fr 1fr;gap:12px}.print-sheet{padding:25px 18px}.print-tools{gap:10px}.print-tools .button,.print-tools .back{font-size:10px}.wide .question-stem{font-size:23px}.wide .options b{font-size:17px}.user-name{font-size:11px}.assignment{flex-wrap:wrap;gap:10px;padding:17px}.assignment .button{margin-left:0}.source-link{padding:14px;font-size:11px;line-height:1.7}}@media print{body{background:#fff;font-family:Arial,sans-serif}.sidebar,header,footer,.no-print,.toast,.modal-backdrop{display:none!important}.workspace{width:100%;margin:0}main{max-width:none;padding:0}.print-sheet{border:0;max-width:none;padding:0}.print-sheet p{font-size:10pt}.print-sheet h1{font-size:19pt}.print-sheet h2{font-size:15pt}.printed-question>b{font-size:11pt;line-height:1.6}.printed-question{padding:12px 0}.printed-question p{margin:6px 0}.answer-page{break-before:page}.answer-grid{font-size:11pt}@page{size:A4;margin:18mm}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}footer .copyright{color:#81758f;margin-top:9px;font-size:11px;line-height:1.6}footer .copyright strong{color:#716181;font-weight:600}.hero-art svg{width:100%;height:100%;display:block}.hero-art{overflow:visible;background:0 0!important}.unit-card{transition:transform .2s,box-shadow .2s;overflow:hidden}.unit-card:hover{transform:translateY(-4px);box-shadow:0 16px 35px #49327118}.unit-artwork{background:var(--art-bg,#f0eafa);height:140px;margin:-24px -24px 22px;position:relative;overflow:hidden}.art-landscape{width:100%;height:100%;position:absolute;inset:0}.art-icon-orbit{justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.art-icon-orbit svg{filter:drop-shadow(0 6px 5px #0001);width:55px;height:55px}.art-mini-label{letter-spacing:2px;font-size:10px;font-weight:800;position:absolute;bottom:12px;left:20px}.unit-card .unit-top{margin-bottom:12px}.mobile-bottom-nav{display:none}.teacher-access,.feedback-layout{grid-template-columns:1fr 1fr;align-items:start;gap:32px;display:grid}.teacher-access-art{padding:20px}.teacher-access-art>svg{width:100%;max-width:430px;height:auto}.teacher-access-art h1{font-size:34px;line-height:1.3}.teacher-access-art h1 span{color:#7650c7}.teacher-access-art p,.access-form p,.feedback-intro p{color:#756984;line-height:1.8}.teacher-benefits{flex-wrap:wrap;gap:15px;margin-top:25px;display:flex}.teacher-benefits span{align-items:center;gap:8px;font-size:12px;display:flex}.access-icon{color:#7650c7;background:#f0eafa;border-radius:20px;padding:16px;display:inline-flex}.access-form h2{margin:20px 0;font-size:25px}.access-form .button{justify-content:center;width:100%;margin-top:15px}.access-note{font-size:12px}.feedback-intro{background:linear-gradient(145deg,#f1eafa,#fff6e8);border-radius:24px;padding:24px 28px}.feedback-intro h2{margin:15px 0;font-size:36px}.feedback-illustration{color:#7650c7;justify-content:center;align-items:center;height:140px;display:flex;position:relative}.feedback-spark{color:#e9ac44;font-size:40px;position:absolute;top:5px;right:25%}.feedback-small-bubble{background:#fff;border-radius:16px;padding:12px;position:absolute;bottom:16px;right:20%;transform:rotate(8deg)}.feedback-contact{background:#fffa;border-radius:15px;align-items:center;gap:13px;margin:24px 0;padding:18px;display:flex}.feedback-contact small{margin-top:5px;display:block}.feedback-privacy,.feedback-send-note{color:#81758f;font-size:12px;line-height:1.8}.message-count{text-align:right;color:#81758f;font-size:11px}.form-honeypot{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.feedback-thanks{text-align:center;padding:35px 0}.feedback-thanks>svg{color:#499879}.feedback-thanks p{line-height:1.8}.feedback-thanks small{margin:20px;display:block}.feedback-thanks .button{margin:auto}.teacher-request,.feedback-entry{border:1px solid #ebe5f1;border-radius:16px;margin:15px 0;padding:22px}.teacher-request small,.feedback-entry small{color:#81758f;margin:8px 0;display:block}.feedback-entry p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}footer button{margin:8px}.button,.icon-button,.tabs button{min-height:44px}:is(button:focus-visible,a:focus-visible){outline-offset:3px;outline:3px solid #c0a7ec}@media (max-width:850px){.sidebar nav{display:none}.mobile-bottom-nav{z-index:80;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:#fffffff5;border-top:1px solid #ebe5f1;grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -5px 25px #49327109}.mobile-bottom-nav button{color:#8a7b9b;background:0 0;border:0;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:5px;min-height:49px;font-size:10px;display:flex}.mobile-bottom-nav button.active{color:#7650c7;background:#f2ecfa}.mobile-bottom-nav svg{width:21px;height:21px}.workspace{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.toast{bottom:calc(88px + env(safe-area-inset-bottom))}.teacher-access,.feedback-layout{grid-template-columns:1fr;gap:20px}.teacher-access-art{padding:0}.teacher-access-art>svg{display:none}.teacher-access-art h1{font-size:28px}.feedback-intro{padding:22px}.feedback-illustration{height:95px}.feedback-intro h2{font-size:28px}.hero-art{width:240px;height:180px;margin:5px auto 0;display:block!important;position:relative!important;top:auto!important;right:auto!important}.hero{flex-wrap:wrap}.hero-content{width:100%}.hero-art svg{height:180px}.teacher-request,.feedback-entry{padding:17px}.teacher-request .button{margin-top:10px}input,textarea,select{font-size:16px!important}.teacher-benefits{gap:10px}.feedback-form .button{justify-content:center;width:100%}}@media (max-width:480px){.unit-artwork{height:130px}.hero-art{width:210px;height:155px}.hero-art svg{height:155px}.teacher-login{max-width:130px}.teacher-benefits span{font-size:11px}}@media print{.mobile-bottom-nav{display:none!important}.workspace{padding-bottom:0}}.games-hub,.game-room{max-width:1150px;margin:auto}.games-hero{background:linear-gradient(120deg,#ece5fb,#fdf0df);border:1px solid #e9dff6;border-radius:26px;justify-content:space-between;align-items:center;margin-bottom:25px;padding:32px 36px;display:flex}.games-hero h1{margin:16px 0;font-size:36px;line-height:1.2}.games-hero h1 span{color:#835bbb;display:block}.games-hero p{color:#80708e}.game-hero-art{color:#8d72b3;justify-content:center;align-items:center;width:180px;height:150px;display:flex;position:relative}.game-hero-art>span:first-child{background:#fff9;border-radius:18px;padding:15px;font-size:33px;position:absolute;top:0;left:0;transform:rotate(-12deg)}.game-hero-art>span:last-child{color:#d4af6d;font-size:65px;position:absolute;bottom:0;right:10px}.game-tabs{margin-bottom:26px}.game-card-grid{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.game-select-card{text-align:left;color:#4e3d60;background:#fff;border:1px solid #e8e1f1;border-radius:19px;align-items:flex-start;gap:14px;padding:22px;transition:transform .18s,box-shadow .18s;display:flex;position:relative}.game-select-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #6b439c11}.game-select-card.selected{background:#faf6ff;border-color:#9d7bcf;box-shadow:0 0 0 2px #cbb7e72a}.game-select-card>span{background:#f3edf9;border-radius:15px;justify-content:center;align-items:center;min-width:53px;height:57px;font-size:32px;display:flex}.game-select-card h3{margin:4px 0 8px;font-size:16px}.game-select-card p{color:#8b7b96;margin:0;font-size:12px;line-height:1.7}.game-select-card>svg{color:#8b65ba;position:absolute;top:8px;right:9px}.game-setup{grid-template-columns:1fr 280px;gap:35px;margin-top:24px;display:grid}.game-setup h2{font-size:24px}.game-setup p{color:#81738e;font-size:13px;line-height:1.8}.game-unit-picks{flex-wrap:wrap;gap:8px;margin:20px 0;display:flex}.game-unit-picks button{color:#7f6c90;background:#f9f7fc;border:1px solid #e6dfed;border-radius:11px;align-items:center;gap:6px;min-height:44px;padding:11px 13px;font-size:12px;display:flex}.game-unit-picks button.selected{color:#75529f;background:#eee5fa;border-color:#b296d7}.game-start-settings{border-left:1px solid #eee7f5;padding-left:25px}.game-start-settings .button{justify-content:center;width:100%}.game-start-settings small{color:#8b7c98;margin:10px 0;font-size:12px;line-height:1.7;display:block}.code-join{justify-content:space-between;align-items:center;gap:20px;display:flex}.code-join p{color:#8b7b96;font-size:12px}.code-join input{letter-spacing:2px;max-width:180px;font-weight:700}.games-section-title{margin:30px 0 20px;font-size:23px}.room-card{align-items:center;gap:20px;margin-bottom:15px;padding:22px;display:flex}.room-card-icon{background:#f3edf9;border-radius:15px;padding:12px;font-size:34px}.room-card p{color:#867494;margin:6px 0;font-size:12px}.room-card small{color:#9b8baa;font-size:11px}.room-card-actions{align-items:center;gap:12px;margin-left:auto;display:flex}.game-reward-grid{grid-template-columns:1fr 1.3fr;gap:22px;display:grid}.daily-game{background:linear-gradient(135deg,#faf0df,#fffaf3)}.daily-game>svg{color:#d69c63;margin-bottom:20px}.daily-game>.eyebrow{display:block}.daily-game small{color:#987f64;margin-top:15px;line-height:1.8;display:block}.game-badges{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.game-badges>div{text-align:center;background:#f9f7fc;border-radius:16px;flex-direction:column;padding:20px;display:flex}.game-badges span{font-size:33px}.game-badges b{margin:12px 0 8px;font-size:12px}.game-badges small{color:#8a7998;font-size:10px}.game-badges .locked{opacity:.48;filter:grayscale()}.game-task{justify-content:space-between;align-items:center;gap:22px;display:flex}.game-task small{color:#8b7a99}.game-task p{font-size:12px;line-height:1.8}.muted{color:#8b7a99;font-size:12px;line-height:1.8}.race-header{justify-content:space-between;align-items:center;margin:25px 0;display:flex}.race-header h1{margin:12px 0;font-size:30px}.game-timer{font-variant-numeric:tabular-nums;background:#fff;border:1px solid #e6ddef;border-radius:15px;align-items:center;gap:10px;padding:13px 17px;font-size:21px;font-weight:700;display:flex}.game-timer.urgent{color:#ad665c;background:#fff0ec;border-color:#deb7af;animation:1s infinite pulse}.race-players{grid-template-columns:1fr 1fr;gap:15px;margin-bottom:24px;display:grid}.race-players>div{background:#fff;border:1px solid #e6dfed;border-radius:17px;align-items:center;gap:12px;padding:18px;display:flex}.race-players .you{background:#fbf7ff;border-color:#b59cda}.race-avatar{color:#8c69b6;background:#efe6fa;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-weight:700;display:flex}.race-players small{color:#917e9f;margin-top:5px;font-size:11px;display:block}.race-players .waiting-opponent{color:#a797b3;border-style:dashed;justify-content:center}.race-waiting,.race-result,.game-feedback{text-align:center;padding:45px 30px}.race-waiting .button,.race-result .button,.game-feedback .button{justify-content:center;max-width:320px;margin:20px auto 0;display:flex}.race-waiting>.text-button{margin:20px auto;display:block}.invite-code{background:#f7f2fd;border:1px dashed #c9b7e2;border-radius:20px;max-width:350px;margin:0 auto 25px;padding:23px}.invite-code small{letter-spacing:2px;color:#9b85b3;font-size:10px;display:block}.invite-code strong{letter-spacing:5px;color:#7b58a3;margin:15px 0;font-size:35px;display:block}.invite-code .text-button{margin:auto}.race-waiting p,.race-result p{color:#8b7a99;font-size:13px;line-height:1.8}.race-result>svg{color:#c5a061}.race-result-scores{justify-content:center;gap:25px;margin:30px 0;display:flex}.race-result-scores>div{background:#faf7ff;border:1px solid #e6ddf0;border-radius:20px;flex-direction:column;gap:10px;padding:25px 35px;display:flex}.race-result-scores .winner{background:#fff7e8;border-color:#dfc591}.race-result-scores strong{font-size:32px}.race-result-scores span{font-size:14px}.race-result-scores small{color:#8a7899;font-size:12px}.race-countdown{background:#f5edff;flex-direction:column;justify-content:center;align-items:center;height:330px;display:flex}.race-countdown>span{color:#8c60bf;font-size:95px;font-weight:800;animation:1s infinite pulse}.game-round-progress{color:#8a769c;align-items:center;gap:15px;margin:25px 0;font-size:12px;display:flex}.game-round-progress>div{background:#e9e0f3;border-radius:8px;flex:1;height:7px;overflow:hidden}.game-round-progress i{background:#a27dcc;height:100%;transition:width .3s;display:block}.game-question-label{color:#9a83ad;text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-size:11px}.active-game .question-stem{white-space:pre-wrap;font-size:25px;line-height:1.7}.letter-answer{letter-spacing:3px;overflow-wrap:anywhere;background:#f8f3fe;border:1px dashed #c5aade;border-radius:16px;justify-content:center;align-items:center;min-height:85px;margin:25px 0;padding:20px;font-size:32px;display:flex}.letter-tiles{flex-wrap:wrap;justify-content:center;gap:8px;margin:20px 0;display:flex}.letter-tiles button{color:#80679c;background:#fffaf1;border:1px solid #d9c9ed;border-radius:11px;width:45px;height:50px;font-size:22px;box-shadow:0 4px #e3d7f1}.letter-tiles button:disabled{opacity:.25;box-shadow:none}.active-letters form>label{max-width:480px;margin:20px auto}.active-letters form>.button,.active-letters form>.text-button{margin:auto;display:flex}.basket-options{grid-template-columns:repeat(2,1fr);gap:15px;display:grid}.basket-options button{color:#8c7662;background:#fffbf2;border:1px solid #e4d7c3;border-radius:20px;align-items:center;gap:15px;min-height:80px;padding:24px;font-size:14px;display:flex}.basket-options button>span:first-child{font-size:30px}.game-feedback>span{color:#6b9c87;font-size:55px}.game-feedback.incorrect>span{color:#b78278}.game-feedback p{font-size:19px}.memory-board{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:25px;display:grid}.memory-board button{color:#b094cf;background:linear-gradient(140deg,#eee4fc,#e2d3f3);border:1px solid #dfd1ec;border-radius:17px;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:125px;padding:12px;transition:background .3s,transform .3s;display:flex;position:relative}.memory-board button>span{font-size:38px;font-weight:700}.memory-board button.flipped{color:#78618f;background:#fffaf3;transform:rotateY(0)}.memory-board button.matched{color:#658875;background:#eff7f1;border-color:#c7dfd0}.memory-board button small{letter-spacing:2px;color:#a795b4;font-size:9px}.memory-board button b{overflow-wrap:anywhere;font-size:16px}.board-finish{text-align:center;margin-top:25px}.board-finish .button{margin:auto}.board-finish p{color:#907c9e;font-size:12px}.word-search-layout{grid-template-columns:minmax(0,1fr) 180px;gap:25px;margin:25px 0;display:grid}.word-search-grid{gap:3px;width:100%;max-width:600px;display:grid}.word-search-grid button{aspect-ratio:1;color:#8f789f;touch-action:manipulation;background:#fbf8fe;border:1px solid #eee6f5;border-radius:7px;justify-content:center;align-items:center;min-width:0;min-height:0;padding:0;font-size:16px;font-weight:600;display:flex}.word-search-grid button.selected{color:#fff;background:#bda0db}.word-search-grid button.found{color:#618665;background:#e8f2e8;border-color:#c9dfca}.search-word-list{flex-direction:column;gap:13px;font-size:13px;display:flex}.search-word-list>span{border:1px solid #ece4f3;border-radius:12px;padding:11px}.search-word-list .found{color:#668769;background:#eff7f0}.search-word-list b{margin-top:5px;font-size:12px;display:block}.game-review{white-space:pre-wrap;border-bottom:1px solid #eee7f5;padding:18px 0}.game-review p{color:#917e9f;font-size:13px}.game-review small{color:#ad7b77}.team-scoreboard{gap:15px;margin:25px 0;display:flex}.team-scoreboard>div:not(.game-timer){background:#f9f7fc;border:1px solid #e6dcf0;border-radius:15px;flex:1;justify-content:space-between;align-items:center;padding:20px;display:flex}.team-scoreboard .selected{background:#f0e5fd!important;border-color:#aa87cd!important}.team-scoreboard strong{font-size:32px}.classroom-game h2 svg{vertical-align:middle;margin-right:8px}.classroom-controls{margin-top:25px}.classroom-controls .button{margin-right:15px}.task-student-status{flex-wrap:wrap;gap:10px;display:flex}.task-student-status span{background:#f8f5fc;border-radius:9px;padding:9px 12px;font-size:12px}.home-games-banner{background:linear-gradient(120deg,#f3ecfe,#fff6e8);justify-content:space-between;align-items:center;gap:20px;display:flex}.home-games-banner h2{margin:12px 0;font-size:22px}.home-games-banner p{color:#937ca2;font-size:12px}.unit-games-button{margin:20px 0}@media (max-width:1050px){.game-card-grid{grid-template-columns:repeat(2,1fr)}.game-setup{grid-template-columns:1fr 240px;gap:20px}.game-reward-grid{grid-template-columns:1fr 1fr}.sidebar .nav-link{font-size:11px}}@media (max-width:650px){.games-hero{padding:25px 22px;overflow:hidden}.games-hero h1{font-size:28px}.games-hero p{font-size:12px}.game-hero-art{display:none}.game-card-grid{gap:10px}.game-select-card{flex-direction:column;gap:9px;padding:16px 12px}.game-select-card>span{min-width:44px;height:45px;font-size:26px}.game-select-card h3{font-size:13px}.game-select-card p{font-size:10px}.game-setup{grid-template-columns:1fr;gap:20px}.game-start-settings{border-top:1px solid #eee5f6;border-left:0;padding-top:15px;padding-left:0}.game-unit-picks button{padding:10px;font-size:11px}.code-join{display:block}.code-join .inline-form{margin-top:20px}.code-join input{max-width:none}.room-card{flex-wrap:wrap;align-items:flex-start;gap:12px}.room-card-icon{padding:8px;font-size:26px}.room-card-actions{justify-content:flex-end;width:100%;margin-left:0}.game-reward-grid{grid-template-columns:1fr}.game-task{flex-direction:column;align-items:flex-start}.race-header h1{font-size:23px}.race-header .eyebrow{font-size:9px}.game-timer{padding:10px;font-size:17px}.race-players{gap:8px}.race-players>div{gap:8px;padding:12px}.race-players b{font-size:11px}.race-players small{font-size:9px}.race-avatar{flex-shrink:0;width:30px;height:30px}.race-waiting,.race-result,.game-feedback{padding:30px 18px}.race-result-scores{gap:12px}.race-result-scores>div{flex:1;min-width:0;padding:18px 12px}.race-result-scores b{overflow-wrap:anywhere;font-size:12px}.race-result-scores strong{font-size:27px}.invite-code strong{letter-spacing:3px;font-size:28px}.active-game .question-stem{font-size:20px}.basket-options{grid-template-columns:1fr}.basket-options button{min-height:65px;padding:15px}.memory-board{grid-template-columns:repeat(3,1fr);gap:8px}.memory-board button{border-radius:13px;min-height:100px;padding:8px}.memory-board button b{font-size:12px}.word-search-layout{grid-template-columns:1fr;gap:20px}.word-search-grid{gap:2px}.word-search-grid button{border-radius:5px;font-size:12px}.search-word-list{grid-template-columns:repeat(2,1fr);gap:8px;font-size:11px;display:grid}.search-word-list>span{padding:9px}.team-scoreboard{flex-wrap:wrap;gap:8px}.team-scoreboard>div:not(.game-timer){padding:13px}.team-scoreboard b{font-size:12px}.team-scoreboard strong{font-size:23px}.home-games-banner{display:block}.home-games-banner .button{margin-top:17px}.game-round-progress small{display:none}.game-tabs button{white-space:nowrap;font-size:11px}.game-feedback p{font-size:16px}}@media (prefers-reduced-motion:reduce){.game-timer.urgent,.race-countdown>span{animation:none}.game-select-card,.memory-board button{transition:none}}@media print{.games-hub,.game-room{display:none}}.roster-filters{flex-wrap:wrap;align-items:flex-end;gap:12px;margin:20px 0;display:flex}.roster-filters>label{min-width:140px;margin:0}.roster-filters .search{flex:1;min-width:220px;max-width:360px;min-height:46px}.roster-pin{white-space:nowrap;align-items:center;gap:9px;display:flex}.roster-pin code{letter-spacing:2px;color:#80669a;font-size:17px;font-weight:700}.roster-row-actions{white-space:nowrap;gap:15px;display:flex}.roster-row-actions .text-button{min-height:44px}.roster-panel .notice p{margin:8px 0 0;font-size:12px;line-height:1.8}.roster-panel .stats-grid{grid-template-columns:repeat(2,1fr);max-width:450px}.roster-panel .table-wrap{max-height:650px;overflow:auto}.roster-panel thead{z-index:1;background:#f9f6fd;position:sticky;top:0}.roster-class-ready{color:#8e6aab;flex-direction:column;align-items:center;gap:12px;padding:25px;display:flex}.roster-class-ready small{text-align:center;font-size:11px;line-height:1.8}.student-login-tabs button{flex:1;font-size:12px}.roster-panel .table-wrap td{font-size:12px}@media (max-width:650px){.roster-filters{align-items:stretch}.roster-filters>label{width:100%}.roster-filters .search{max-width:none}.roster-filters>.button{flex:1}.roster-panel .table-wrap{max-height:500px}.roster-pin code{font-size:15px}.student-login-tabs button{font-size:11px}}.academy{--ink:#184c47;--paper:#fffaf0;--gold:#d49c32;color:#253d3a}.academy-home-link{text-align:left;color:#184c47;cursor:pointer;background:#e6f0e9;border:1px solid #c9ded3;border-radius:18px;align-items:center;gap:18px;width:100%;margin-bottom:24px;padding:20px 24px;text-decoration:none;display:flex}.academy-home-link>span{font-size:38px}.academy-home-link>div{flex:1;gap:3px;display:grid}.academy-home-link b{font-size:20px}.academy-home-link small{letter-spacing:1.5px;font-size:10px;font-weight:800}.academy-home-link div>span{font-size:13px}.academy-hero{background:var(--paper);border:1px solid #e8dfcc;border-radius:26px;justify-content:space-between;align-items:center;gap:20px;padding:42px 46px;display:flex;overflow:hidden}.academy-kicker{letter-spacing:1.9px;color:#50716b;text-transform:uppercase;font-size:10px;font-weight:850}.academy-hero h1{letter-spacing:-2.5px;color:var(--ink);margin:18px 0;font-size:clamp(38px,5vw,64px);line-height:1.07}.academy-hero h1 em{color:#ae7823;font-family:Georgia,serif}.academy-hero p{font-size:15px;line-height:1.8}.academy-agent{flex-shrink:0;width:280px;max-width:40%}.academy-tags{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.academy-tags span{background:#f0eadb;border-radius:8px;padding:7px 10px;font-size:11px;font-weight:700}.academy-profile{background:#fff;border:1px solid #dce7df;border-radius:20px;grid-template-columns:1fr 1.5fr;gap:32px;margin:24px 0 36px;padding:26px;display:grid}.academy-profile h2{color:var(--ink);margin:8px 0;font-size:23px}.academy-profile p{font-size:13px}.academy-meter{background:#e3eae4;border-radius:6px;height:7px;margin:14px 0;overflow:hidden}.academy-meter i{background:#378278;border-radius:6px;height:100%;transition:width .4s;display:block}.academy-kit{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.academy-kit>div{text-align:center;background:#faf7ef;border:1px solid #eee7d7;border-radius:12px;align-content:center;gap:5px;padding:12px 5px;display:grid}.academy-kit>div>span{font-size:28px}.academy-kit b{font-size:11px}.academy-kit small{color:#52665d;font-size:10px}.academy-kit .locked{filter:grayscale();opacity:.65}.academy-section-heading{justify-content:space-between;align-items:center;gap:14px;display:flex}.academy-section-heading h2{margin:6px 0;font-size:26px}.academy-rule{border:1px dashed #afc7b8;border-radius:8px;padding:9px 12px;font-size:11px}.academy-help{color:#5c6f65;margin:8px 0 22px;font-size:13px;line-height:1.7}.academy-cases{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.academy-case{background:var(--paper);border:1px solid #e4d9be;border-radius:6px 18px 18px;flex-direction:column;margin-top:8px;padding:22px;display:flex;position:relative;box-shadow:0 5px #e5ddca55}.academy-case:before{content:"";background:#ece2ca;border:1px solid #e4d9be;border-bottom:0;border-radius:7px 7px 0 0;width:70px;height:9px;position:absolute;top:-9px;left:-1px}.case-top{letter-spacing:1px;color:#7a6843;justify-content:space-between;font-size:10px;font-weight:850;display:flex}.case-top>span+span{color:#ab771f;letter-spacing:3px}.case-symbol{margin:20px 0 12px;font-size:36px}.academy-case h3{color:var(--ink);margin:0 0 8px;font-size:20px}.academy-case p{color:#657266;flex:1;font-size:12px;line-height:1.7}.case-status{align-items:center;gap:6px;margin:16px 0;font-size:11px;font-weight:650;display:flex}.academy .button{color:#fff;background:#205e55;border-color:#205e55;justify-content:center;gap:10px}.academy .button:hover{background:#184c47}.academy .button:disabled{opacity:.55}.academy-case.solved{background:#f4fbf3;border-color:#accfba}.academy-note{background:#e7f0e9;border-radius:15px;align-items:center;gap:14px;margin:30px 0;padding:20px;font-size:13px;display:flex}.academy-note svg{color:#326453;flex-shrink:0}.academy-note p{margin:0;line-height:1.7}.academy-intro{text-align:center;margin-top:24px}.academy-intro .button{margin:20px auto 0}.academy-mission{max-width:840px;margin:0 auto}.academy-mission-heading{text-align:center;margin:20px 0 28px}.academy-mission-heading h1{color:var(--ink);margin:10px;font-size:32px}.academy-mission-heading p{color:#62746c;font-size:14px}.academy-stages{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px;display:grid}.academy-stages>div{background:#fff;border:1px solid #dce6df;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 8px;font-size:12px;display:flex}.academy-stages span{border:1px solid #c5d8cd;border-radius:50%;place-items:center;width:24px;height:24px;font-weight:700;display:grid}.academy-stages .current{background:#e4f0e9;border-color:#83b4a2;font-weight:800}.academy-brief,.academy-evidence,.academy-feedback,.academy-finale{background:var(--paper);border:1px solid #e4ddcc;border-radius:20px;margin-bottom:30px;padding:36px}.academy-brief,.academy-feedback,.academy-finale{text-align:center}.academy-brief h2,.academy-feedback h2,.academy-finale h2{color:var(--ink);margin:14px 0;font-size:26px}.academy-brief p,.academy-feedback p,.academy-finale p{white-space:pre-line;font-size:15px;line-height:1.8}.academy-folder,.academy-feedback-icon{margin-bottom:20px;font-size:56px}.academy-brief ul{flex-wrap:wrap;justify-content:center;gap:10px;margin:20px 0;padding:0;list-style:none;display:flex}.academy-brief li{border:1px dashed #cbbd9e;border-radius:8px;padding:10px;font-size:12px}.academy-brief .button,.academy-feedback .button,.academy-finale>.button{margin:24px auto 14px;display:flex}.academy-brief small,.academy-feedback small,.academy-finale small{color:#627468;font-size:12px;line-height:1.6;display:block}.academy-evidence-head{letter-spacing:1px;justify-content:space-between;gap:10px;font-size:11px;font-weight:800;display:flex}.academy-clue{color:#69776b;background:#ececdf;border-radius:8px;margin:24px 0;padding:12px 16px;font-size:13px;line-height:1.7}.academy-evidence h2{margin-bottom:24px;font-size:21px;line-height:1.65}.academy-evidence input{background:#fff;max-width:100%;margin:10px 0 20px}.academy-evidence .options button{text-align:left;background:#fff;min-height:54px}.academy-evidence .options button:hover{border-color:#468579}.academy-feedback.yes{background:#f0f8ef;border-color:#bbd7bd}.academy-feedback.retry{background:#fff8e9}.academy-seal{color:#397c68;border:3px double #4d8673;border-radius:50%;place-items:center;width:110px;height:110px;margin:0 auto 22px;display:grid}.academy-stars{color:#b38525;letter-spacing:12px;font-size:42px}.academy-review{text-align:left;border-top:1px dashed #d7ceb9;margin-top:28px;padding-top:18px}.academy-review summary{cursor:pointer;font-weight:700}.academy-review>div{white-space:pre-line;border-bottom:1px solid #e9e1d1;padding:20px 0;font-size:13px}.academy-review p{font-size:13px}.academy :focus-visible{outline-offset:4px;outline:3px solid #b88524}@media (max-width:1000px){.academy-cases{grid-template-columns:repeat(2,minmax(0,1fr))}.academy-profile{grid-template-columns:1fr}.academy-hero{padding:30px}.academy-agent{width:230px}}@media (max-width:600px){.academy-hero{align-items:flex-start;gap:0;padding:25px 20px;position:relative}.academy-hero h1{letter-spacing:-1.8px;font-size:40px}.academy-hero p{max-width:240px;font-size:13px}.academy-agent{opacity:.38;width:112px;position:absolute;top:24px;right:-10px}.academy-hero>div{z-index:1}.academy-cases{grid-template-columns:1fr}.academy-profile{gap:16px;padding:20px}.academy-kit{gap:5px}.academy-kit b{font-size:10px}.academy-kit small{font-size:9px}.academy-section-heading{flex-direction:column;align-items:flex-start;gap:7px}.academy-section-heading h2{font-size:23px}.academy-brief,.academy-feedback,.academy-evidence,.academy-finale{padding:24px 18px}.academy-stages{gap:5px}.academy-stages>div{flex-direction:column;gap:6px;padding:10px 4px;font-size:10px}.academy-home-link{gap:12px;padding:16px}.academy-home-link b{font-size:17px}.academy-home-link div>span{font-size:11px}.academy-mission-heading h1{font-size:27px}.academy-evidence h2{font-size:18px}.academy-case{padding:22px}.academy-tags span{font-size:10px}.academy-evidence-head{letter-spacing:0;font-size:10px}.academy-note{align-items:flex-start}}@media (prefers-reduced-motion:reduce){.academy-meter i{transition:none}}.tester-banner{flex-wrap:wrap}.tester-banner p{margin:4px 0;font-size:12px}.tester-links{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tester-links a{text-decoration:none}.pdf-page-tools,.pdf-region-picks{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin:16px 0;display:flex}.pdf-page-tools label{align-items:center;gap:10px;display:flex}.pdf-page-tools select{width:auto}.pdf-crop-surface{touch-action:none;-webkit-user-select:none;user-select:none;cursor:crosshair;background:#eee;border:1px solid #ccc;max-width:850px;margin:auto;position:relative}.pdf-crop-surface>img{pointer-events:none;width:100%;height:auto;display:block}.pdf-crop-box{pointer-events:none;background:#7654cc15;border:3px dashed #7654cc;position:absolute;box-shadow:inset 0 0 0 1px #fff}.pdf-crop-fields{grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0;display:grid}.pdf-cropped-preview{border:1px solid #ddd;width:auto;max-width:100%;height:auto;margin:20px auto;display:block}.pdf-image-draft fieldset{border:0;margin:0;padding:0}.pdf-answer-picks{gap:20px;margin:12px 0 20px;display:flex}.pdf-answer-picks label{background:#f4f0fa;border-radius:8px;align-items:center;gap:8px;padding:10px;display:flex}.pdf-answer-picks input{width:auto;margin:0}.pdf-visual .button{gap:8px}.pdf-visual>h2{margin-top:24px}@media (max-width:600px){.pdf-crop-fields{grid-template-columns:repeat(2,1fr)}.pdf-page-tools{gap:6px}.pdf-answer-picks{gap:8px}}:root{--ink:#192643;--muted:#596982;--purple:#6546e9;--pale:#ede9ff;--line:#e1e7f1;--bg:#f4f7fc;--green:#127558;--coral:#a45336}body{background:radial-gradient(ellipse at 90% 0,#e9e8ff,transparent 50%),var(--bg);font-size:15px}.sidebar{color:#fff;z-index:30;background:#13213b;border:0;padding:27px 18px;overflow-y:auto}.sidebar .brand{color:#fff}.sidebar .brand b{color:#b6a5ff}.sidebar .brand small{color:#a6b5d2}.brand-icon{background:linear-gradient(140deg,#8d6cff,#5341d9);box-shadow:0 6px 20px #08162930}.sidebar .nav-label{color:#91a4c8;letter-spacing:1.7px;margin-top:30px}.sidebar .nav-link{color:#b7c6e0;border-radius:12px;margin:5px 0;padding:13px 12px;font-size:12px}.sidebar .nav-link:hover{color:#fff;background:#ffffff0d}.sidebar .nav-link.active{color:#fff;background:linear-gradient(110deg,#7250e8,#5346ce);box-shadow:0 6px 18px #0b123a50}.sidebar .school-mark,.sidebar .school-mark small{color:#a9b9d6;border-color:#ffffff16}.sidebar .text-button{color:#c7b9ff}header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffd9;border-color:#dfe5f1}.crumb{color:#63738c}.crumb b{color:#283b5a}main{padding-top:28px}.button{background:linear-gradient(120deg,#7251ed,#5b42d5);border-radius:13px;min-height:44px;padding:14px 22px;font-size:13px;box-shadow:0 5px #4933af,0 8px 18px #6546e91a}.button:hover{background:linear-gradient(120deg,#805dff,#6545e1);transform:translateY(-2px);box-shadow:0 5px #4933af,0 12px 22px #6546e930}.button:active{transform:translateY(2px);box-shadow:0 1px #4933af}.button.secondary{color:#5236c6;background:#fff;box-shadow:0 2px #e1e5f0}.button.small{min-height:40px}.icon-button{color:#63728e;min-width:38px;min-height:38px}.greeting{background:radial-gradient(at 85% 40%,#7757de99,#0000 50%),linear-gradient(115deg,#152644,#24305e 65%,#493a89);border:0;border-radius:27px;min-height:365px;padding:40px;box-shadow:0 20px 45px #1b2c4f17}.greeting:before{content:"";pointer-events:none;border:1px solid #c6b8ff29;border-radius:50%;width:440px;height:440px;position:absolute;inset:auto -60px -190px auto}.greeting>div{position:relative}.greeting h1{color:#fff;letter-spacing:-1.8px;font-size:clamp(30px,3vw,45px);line-height:1.22}.greeting h1 span{color:#85edd7}.greeting p{color:#ccd7ed;font-size:14px;line-height:1.9}.greeting .eyebrow{color:#c7b9ff;font-size:10px}.greeting .live-dot{background:#85edd7;box-shadow:0 0 0 5px #85edd719}.greeting .hero-tags{color:#c6d2e7;flex-wrap:wrap;font-size:10px}.greeting .hero-art{filter:drop-shadow(0 15px 18px #111b3d50)}.greeting .button{color:#123b3c;background:#91f0da;box-shadow:0 5px #53b8a4}.hero-art .hero-illustration{animation:7s ease-in-out infinite explorer-float}.stats-grid{gap:16px}.stat{border-color:#e0e6f1;border-radius:18px;padding:22px 18px;box-shadow:0 5px 16px #1a2e4e04}.stat b{color:#23365b;font-size:28px}.stat span{color:#64718a;font-size:11px}.stat-icon{border-radius:14px;width:48px;height:48px}.stat .purple{color:#7750d5;background:#eee8ff}.stat .blue{color:#188b92;background:#dff4f5}.stat .coral{color:#bd713f;background:#fff0e5}.stat .gold{color:#987300;background:#fff4cf}.section-title h2{letter-spacing:-.8px;font-size:25px}.section-title p{font-size:13px}.grade-card{background:linear-gradient(145deg,#fff,#f1edff);border-color:#dcd5ff;border-radius:20px;min-height:187px;box-shadow:0 5px #e8e2f8}.grade-card:hover{box-shadow:0 8px #ded6f4,0 20px 28px #40346e10}.grade-number{color:#6c45d7;font-size:46px}.grade-card>span{color:#243454;font-size:14px}.grade-card>small{color:#66718a;font-size:11px}.grade-6{background:linear-gradient(145deg,#fff,#e5f7fa);border-color:#ccebef}.grade-6 .grade-number{color:#167c8b}.grade-7{background:linear-gradient(145deg,#fff,#fff4dd);border-color:#f1dfba}.grade-7 .grade-number{color:#a57618}.grade-8{background:linear-gradient(145deg,#fff,#e8edff);border-color:#d1dafa}.grade-8 .grade-number{color:#4867c6}.panel,.quiz-panel,.game-panel{border-color:#dfe6f2;border-radius:21px;box-shadow:0 6px 20px #14294a04}.unit-card{border-color:#dfe6f2;border-radius:20px;box-shadow:0 4px #e8edf6}.unit-card h3{font-size:19px}.unit-card p{font-size:12px}.unit-card>small{color:#6550a0;font-size:10px}.unit-bottom{font-size:12px;font-weight:700}.unit-artwork{height:156px}.art-icon-orbit>svg{filter:drop-shadow(0 5px 5px #24446a12);stroke-width:1.8px}.unit-card .art-mini-label{color:inherit;opacity:.8;font-size:8px}.feature{border-radius:19px;padding:25px}.feature h3{font-size:16px}.feature p{font-size:12px}.home-games-banner{background:linear-gradient(110deg,#e5faf5,#edf0ff);border-color:#cce7e2}.tabs button{color:#5e6b83;min-height:48px;font-size:13px}.tabs button.selected{background:#eeebff;border-radius:12px 12px 0 0}.question-stem{font-size:21px!important;line-height:1.65!important}.question-image{background:#fff;border:1px solid #dce4ef;border-radius:16px;width:auto;max-width:100%;height:auto;margin:20px auto 25px;display:block;max-height:none!important}.options button{transition:background .18s,border-color .18s,transform .18s;box-shadow:0 3px #e9edf4;border:2px solid #e1e7f2!important;border-radius:14px!important;min-height:62px!important;font-size:15px!important}.options button:not(:disabled):hover{transform:translateY(-2px);border-color:#aa96f3!important}.options button.selected{background:#f0ebff!important;border-color:#8061ed!important}.options button.correct{animation:.35s ease-out answer-pop;background:#e4f8f0!important;border-color:#36a98c!important}.options button.incorrect{background:#fff4e7!important;border-color:#d8a579!important}.options button>span:first-child{border-radius:9px}.reward-feedback{isolation:isolate;border:1px solid;border-radius:18px;align-items:center;gap:16px;margin:22px 0;padding:21px;animation:.3s ease-out feedback-in;display:flex;position:relative}.reward-feedback b{color:#163e36;font-size:17px;display:block}.reward-feedback p{color:inherit;margin:5px 0 0;font-size:14px;line-height:1.7}.reward-feedback small{color:inherit;align-items:center;gap:6px;margin-top:8px;display:flex}.reward-yes{color:#216450;background:#e8faf2;border-color:#b9e6d4}.reward-retry{color:#78512d;background:#fff6e8;border-color:#efdab9}.reward-retry b{color:#755027}.reward-symbol{background:#ffffffa8;border-radius:16px;flex-shrink:0;place-items:center;width:52px;height:52px;animation:.4s ease-out answer-pop;display:grid}.reward-milestone{background:linear-gradient(110deg,#e5fbf2,#eeebff);border-color:#c6c2ec}.reward-sparks{pointer-events:none;z-index:-1;border-radius:18px;position:absolute;inset:0;overflow:hidden}.reward-sparks i{width:7px;height:12px;left:calc(7% + var(--i)*7.5%);opacity:0;animation:reward-spark .85s calc(var(--i)*25ms) ease-out forwards;background:#8a6be5;border-radius:2px;position:absolute;top:45%}.reward-sparks i:nth-child(3n){background:#0d9c88}.reward-sparks i:nth-child(3n+1){background:#dfb14c}.score-count{color:#6345cf;min-width:1.3em;font:800 35px Manrope,sans-serif;display:inline-block}.celebration>span{animation:.6s ease-out answer-pop;display:block}.game-feedback>span,.academy-feedback-icon{animation:.45s ease-out answer-pop}.game-feedback.correct,.academy-feedback.yes{box-shadow:0 0 0 5px #d5f5e766}.game-feedback.incorrect{background:#fff6e8;border-color:#ead5bc}.result-title{animation:.4s ease-out feedback-in}.flash-card{background:radial-gradient(at 100% 0,#d9d4ff,#0000 65%),#f1edff;border-radius:24px;box-shadow:0 8px #e0d9f5}.notice{color:#56497a;background:#f0edff}.toast{box-shadow:0 10px 40px #15264225}.pdf-auto fieldset{border:0}.academy-home-link{margin-bottom:20px}.mobile-bottom-nav{box-shadow:0 -5px 25px #1328470c}.teacher-tabs{scrollbar-width:thin}footer{color:#687791}@keyframes explorer-float{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-9px)rotate(1deg)}}@keyframes feedback-in{0%{opacity:.3;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@keyframes answer-pop{0%{transform:scale(.94)}60%{transform:scale(1.025)}to{transform:scale(1)}}@keyframes reward-spark{0%{opacity:0;transform:translateY(18px)rotate(0)}20%{opacity:.8}to{opacity:0;transform:translateY(-75px)rotate(190deg)}}@media (max-width:1000px){.greeting{padding:30px}.greeting h1{font-size:36px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.greeting .hero-art{min-height:230px}}@media (max-width:650px){main{padding:22px 16px 35px}.greeting{grid-template-columns:1fr;min-height:0;padding:28px 24px}.greeting h1{letter-spacing:-1.3px;font-size:35px}.greeting p{font-size:13px}.greeting .hero-art{justify-self:center;width:100%;max-width:310px;height:180px;min-height:180px;margin:6px 0 -12px}.greeting .hero-art svg{height:180px}.greeting .hero-tags{gap:12px}.stats-grid{gap:10px}.stat{gap:9px;padding:16px 12px}.stat b{font-size:25px}.stat span{font-size:10px}.stat-icon{width:37px;height:37px}.grade-card{min-height:170px;padding:20px}.grade-number{font-size:40px}.grade-card>span{font-size:13px}.section-title h2{font-size:23px}.question-stem{font-size:18px!important}.quiz-panel,.game-panel,.panel{padding:21px 17px}.question-image{border-radius:12px}.reward-feedback{gap:11px;padding:17px 14px}.reward-symbol{width:42px;height:42px}.reward-feedback b{font-size:15px}.reward-feedback p{font-size:13px}.feature{padding:20px}.feature h3{font-size:15px}.options button{font-size:14px!important}.header-actions{gap:8px}.hero-art .hero-illustration{animation:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reward-sparks{display:none}.button:hover,.unit-card:hover,.grade-card:hover{transform:none}}@media print{body{background:#fff}.question-image{break-inside:avoid;border:0;border-radius:0;max-width:100%}.score-count{font-size:inherit}.greeting{box-shadow:none}}.question-figure{margin:20px 0 25px}.question-figure .question-image{margin:0 auto 10px}.question-figure figcaption{text-align:center;font-size:12px}.question-figure a{background:#f4f0ff;border:1px solid #dcd4f8;border-radius:10px;align-items:center;min-height:40px;padding:8px 16px;display:inline-flex}.celebration{position:relative;overflow:hidden}.celebration:before,.celebration:after{content:"✦";color:#8d74e8;pointer-events:none;font-size:38px;animation:1s ease-out forwards reward-spark;position:absolute;top:30%;left:20%}.celebration:after{color:#22ac96;animation-delay:.15s;left:auto;right:20%}.school-picker{align-items:center;gap:8px;margin:0;font-size:11px;display:flex}.school-picker span{white-space:nowrap}.school-picker select{max-width:205px;min-height:42px;margin:0;font-size:12px}.school-home-picker{display:none}.school-registration{max-width:820px;margin:25px auto}.school-registration h1{font-size:32px}.school-registration select{max-width:100%}.school-request{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:18px 0;display:flex}.school-request small{margin-top:7px;display:block}.school-member{border-top:1px solid var(--line);padding:22px 0}.school-member p{overflow-wrap:anywhere}.school-qr{float:right;text-align:center;margin:0 0 20px 22px}.school-qr img{border:1px solid var(--line);border-radius:12px;max-width:100%}.school-qr figcaption{font-size:12px}.school-registration form{max-width:550px}.school-registration .eyebrow{line-height:1.7}@media (max-width:850px){.header-actions .school-picker{display:none}.school-home-picker,.school-home-picker .school-picker{display:block}.school-home-picker select{width:100%;max-width:100%;margin-top:6px}.school-request{flex-direction:column;align-items:flex-start}.school-qr{float:none;margin:12px auto 22px}.school-registration h1{font-size:27px}}.lesson-section{max-width:1120px;margin:24px auto}.lesson-intro{justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px;display:flex}.lesson-intro h2{margin:8px 0;font-size:clamp(23px,3vw,32px)}.lesson-intro p,.lesson-practice p{color:var(--muted,#6b7280);margin:5px 0}.lesson-count{white-space:nowrap;color:#6540c2;background:#eee9ff;border-radius:30px;align-items:center;gap:8px;padding:10px 16px;font-weight:700;display:flex}.lesson-viewer{background:#fff;border:1px solid #e3e6f1;border-radius:22px;overflow:hidden;box-shadow:0 10px 35px #19234a08}.lesson-player{aspect-ratio:16/9;background:#172341;width:100%;min-height:200px}.lesson-player iframe{border:0;width:100%;height:100%;display:block}.lesson-current{padding:24px}.lesson-current h3{margin:14px 0 8px;font-size:22px}.lesson-current>p{color:#66718b}.lesson-help{margin-bottom:0;font-size:13px;line-height:1.7}.lesson-scope{color:#23685f;background:#eef8f6;border-radius:12px;padding:12px 16px;line-height:1.6}.lesson-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0;display:grid}.lesson-card{text-align:left;cursor:pointer;color:inherit;background:#fff;border:2px solid #0000;border-radius:18px;min-width:0;padding:0;overflow:hidden;box-shadow:0 3px 18px #25305b08}.lesson-card.selected{border-color:#7451dc;box-shadow:0 0 0 3px #7451dc14}.lesson-card:focus-visible{outline-offset:4px;outline:3px solid #31a99b}.lesson-thumb{aspect-ratio:16/9;background:#e9e7f3;position:relative;overflow:hidden}.lesson-thumb img{object-fit:cover;width:100%;height:100%}.lesson-play{color:#fff;background:#172341d9;border-radius:50%;place-items:center;width:48px;height:48px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.lesson-duration{color:#fff;background:#101a34d9;border-radius:5px;padding:2px 7px;font-size:12px;position:absolute;bottom:10px;right:10px}.lesson-card-body{padding:17px}.lesson-card-body small{color:#7550c6;letter-spacing:.6px;align-items:center;gap:6px;font-size:10px;font-weight:800;display:flex}.lesson-card-body h3{margin:10px 0;font-size:15px;line-height:1.5}.lesson-card-body p{color:#56617d;margin:5px 0;font-size:13px}.lesson-date{color:#707b92;font-size:11px}.lesson-error{color:#8a431f;background:#fff1e8;align-items:flex-start;gap:12px;padding:20px;display:flex}.lesson-error p{line-height:1.6}.lesson-practice{background:#ede8ff;border-radius:18px;justify-content:space-between;align-items:center;gap:22px;margin:24px 0;padding:24px;display:flex}.lesson-directory .unit-card{height:100%}.lesson-directory-note{margin-bottom:22px}.lesson-directory .unit-card .unit-bottom{color:#6340b1}@media (max-width:900px){.lesson-options{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.lesson-intro{flex-direction:column;align-items:flex-start;gap:12px}.lesson-current{padding:18px}.lesson-current h3{font-size:18px}.lesson-options{grid-template-columns:1fr}.lesson-card{grid-template-columns:120px 1fr;align-items:center;display:grid}.lesson-card-body{padding:12px}.lesson-card-body h3{margin:6px 0;font-size:13px}.lesson-play{width:34px;height:34px}.lesson-practice{flex-direction:column;align-items:stretch;padding:20px}.lesson-practice .button{justify-content:center}.lesson-player{min-height:200px}.lesson-thumb{aspect-ratio:auto;height:100%;min-height:100px}.lesson-date{font-size:10px}}@media print{.lesson-player{display:none}.lesson-options{display:block}.lesson-card{break-inside:avoid}.lesson-practice{display:none}}.resource-repository{max-width:1200px;margin:auto}.resource-heading,.resource-report-heading{align-items:center;gap:14px;margin-bottom:22px;display:flex}.resource-heading>svg{color:var(--primary,#355bda);flex-shrink:0}.resource-heading h2{margin:0 0 6px}.resource-heading p{color:#64748b;margin:0}.resource-filters{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:18px 0;display:grid}.resource-repository label{flex-direction:column;gap:7px;font-size:14px;font-weight:600;display:flex}.resource-repository input:not([type=radio]):not([type=checkbox]),.resource-repository select,.resource-repository textarea{box-sizing:border-box;width:100%;min-width:0}.resource-repository input[type=file]{background:#f5f7fc;border:1px dashed #a8b5d2;border-radius:10px;padding:16px}.resource-repository small{color:#64748b;line-height:1.6}.resource-upload summary{cursor:pointer;align-items:center;gap:10px;font-size:17px;font-weight:700;display:flex}.resource-upload form{margin-top:22px}.resource-scope{border:1px solid #dce3ef;border-radius:12px;margin:20px 0;padding:16px}.resource-scope>label{flex-direction:row;align-items:flex-start;padding:12px 0;font-weight:400}.resource-scope input{flex-shrink:0;width:18px;height:18px;margin-top:3px}.resource-scope small{display:block}.resource-branches{background:#f5f7fc;border-radius:8px;flex-wrap:wrap;gap:14px;padding:12px;display:flex}.resource-branches label{flex-direction:row;align-items:center}.resource-upload-footer,.resource-list-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.resource-list-heading{margin:26px 0 15px}.resource-list-heading h3{flex:1;margin:0}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.resource-card{flex-wrap:wrap;gap:16px;min-width:0;display:flex;margin:0!important}.resource-file-icon{color:#3e59bc;background:#edf1ff;border-radius:12px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:4px;width:58px;height:68px;display:flex}.resource-file-icon span{font-size:10px;font-weight:800}.resource-card-body{flex:1;min-width:0}.resource-card h3{overflow-wrap:anywhere;margin:5px 0 10px}.resource-card p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.resource-filename{color:#64748b;text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.resource-visibility{color:#36598a;margin-top:10px;font-size:12px}.resource-download-count{margin-top:8px;font-size:13px;font-weight:700;display:block}.resource-actions{border-top:1px solid #edf0f5;flex-wrap:wrap;align-items:center;gap:8px;width:100%;padding-top:10px;display:flex}.resource-actions .text-button{color:#a33e48;gap:5px;margin-left:auto;font-size:12px;display:inline-flex}.resource-privacy{color:#64748b;margin-top:22px;font-size:12px}.resource-report{z-index:200;background:#17243b99;justify-content:center;align-items:center;padding:18px;display:flex;position:fixed;inset:0}.resource-report>.panel{width:min(850px,100%);max-height:85dvh;overflow:auto}.resource-report-heading{justify-content:space-between}.resource-report-heading h2{margin:0}.resource-table{margin:20px 0;overflow:auto}.resource-table table{border-collapse:collapse;text-align:left;white-space:nowrap;width:100%;font-size:14px}.resource-table th,.resource-table td{border-bottom:1px solid #e2e8f0;padding:12px}.resource-report>.panel>small{margin-bottom:18px;display:block}@media (max-width:700px){.resource-filters,.resource-grid{grid-template-columns:1fr}.resource-card{padding:18px!important}.resource-upload-footer .button{width:100%}.resource-heading{align-items:flex-start}.resource-heading p{font-size:13px}.resource-report{padding:8px}.resource-report>.panel{padding:18px}.resource-filters{gap:12px}}.units-grid{align-items:stretch;gap:26px}.unit-card{color:#23314e;background:#fff;border:1px solid #dce4f1;border-radius:24px;min-width:0;padding:24px;box-shadow:0 6px 22px #24375007}.unit-card:hover{border-color:#a89ae4;transform:translateY(-4px);box-shadow:0 14px 32px #26375215}.unit-card .unit-photo{aspect-ratio:16/10;background:#e8edf4;border-bottom:1px solid #e4eaf2;flex-shrink:0;height:auto;margin:-24px -24px 22px}.unit-photo img{object-fit:cover;width:100%;height:100%;transition:transform .35s;display:block}.unit-card:hover .unit-photo img{transform:scale(1.04)}.unit-photo-grade{letter-spacing:.7px;color:#263651;background:#ffffffed;border-radius:9px;padding:7px 11px;font-size:11px;font-weight:800;position:absolute;top:16px;left:16px;box-shadow:0 3px 15px #17284112}.unit-card .unit-top{min-height:22px;margin:0 0 14px}.unit-card .unit-top>span{color:#5f547f;letter-spacing:.2px;background:#f2effa;border-radius:6px;padding:5px 9px;font-size:10px;line-height:1.5}.unit-card>small{letter-spacing:1.6px;color:#7860b6;font-size:11px;font-weight:800}.unit-card h3{letter-spacing:-.7px;color:#23314e;overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto;margin:10px 0 14px;font-size:clamp(25px,2.4vw,30px);font-weight:800;line-height:1.22}.unit-card p{color:#626e84;margin:0 0 24px;font-size:13px;line-height:1.6}.unit-card .unit-bottom{color:#6550b0;border-top:1px solid #edf0f6;gap:12px;width:100%;margin-top:auto;padding-top:16px;font-size:13px}.unit-card .unit-bottom>svg{flex-shrink:0}.unit-heading-photo{border-radius:16px;flex-shrink:0;width:116px;height:90px;overflow:hidden;box-shadow:0 4px 12px #1a2a4310}.unit-heading-photo .unit-photo{background:#e8edf4;width:100%;height:100%;margin:0}.unit-heading-photo .unit-photo-grade{display:none}.unit-heading h1{overflow-wrap:anywhere;font-size:clamp(28px,3vw,38px);line-height:1.2}.lesson-directory .unit-card>small{margin-top:2px}.lesson-directory .unit-card h3{margin-top:12px}.lesson-directory .unit-card .unit-photo{margin-bottom:22px}@media (max-width:1100px) and (min-width:701px){.units-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:700px){.units-grid{grid-template-columns:1fr;gap:22px}.unit-card{border-radius:21px;padding:22px}.unit-card .unit-photo{aspect-ratio:16/9;margin:-22px -22px 21px}.unit-card h3{margin:9px 0 13px;font-size:28px;line-height:1.23}.unit-card p{font-size:13px}.unit-heading-photo{width:88px;height:80px}.unit-heading{align-items:center;gap:16px}.unit-heading h1{font-size:27px}.unit-heading .eyebrow,.unit-card .unit-top>span{font-size:10px}.unit-photo-grade{top:14px;left:14px}}@media (prefers-reduced-motion:reduce){.unit-card:hover,.unit-card:hover .unit-photo img{transform:none}.unit-photo img{transition:none}}.mobile-brand,.mobile-section-picker{display:none}.workspace,main,.responsive-tabs{min-width:0}.responsive-tabs{max-width:100%}.desktop-tabs{scrollbar-width:thin}@media (max-width:850px){.app>.sidebar,.app.wide>.sidebar{display:none}.app>.workspace,.app.wide>.workspace{width:100%;min-width:0;margin-left:0}.app-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff;gap:12px;max-width:100%;height:auto;min-height:64px;padding:10px 16px}.app-header .crumb{display:none}.mobile-brand{flex:none;max-width:45%;display:block}.mobile-brand .brand{color:#23314e;letter-spacing:-.6px;white-space:nowrap;gap:7px;margin:0;font-size:17px}.mobile-brand .brand b{color:var(--purple)}.mobile-brand .brand-icon{width:32px;height:32px;box-shadow:none;border-radius:10px;flex-shrink:0}.mobile-brand .brand-icon svg{width:20px;height:20px}.mobile-brand .brand small{display:none}.app-header .header-actions{flex-wrap:wrap;justify-content:flex-end;gap:6px;min-width:0;max-width:100%;margin-left:auto}.app-header .icon-button{border-radius:9px;width:36px;min-width:36px;height:40px;min-height:40px}.app-header .teacher-login{justify-content:center;max-width:100%;min-height:40px;font-size:11px;line-height:1.3}.app-header .button.small{white-space:nowrap;gap:5px;min-height:40px;padding:9px 11px;font-size:11px}.app-header .user-name{overflow-wrap:anywhere;max-width:76px;font-size:11px;line-height:1.3}.app-header .avatar{flex-shrink:0;width:28px;height:28px}.responsive-tabs .desktop-tabs{display:none}.mobile-section-picker{flex-direction:column;gap:6px;width:100%;min-width:0;margin:0 0 18px;font-weight:700;display:flex}.mobile-section-picker>span{color:#63718a;letter-spacing:.2px;font-size:11px}.mobile-section-picker select{color:#47397c;background-color:#fff;border:1px solid #d7ddeb;border-radius:12px;width:100%;min-width:0;max-width:100%;min-height:46px;margin:0;padding:10px 36px 10px 12px;font-size:16px;font-weight:700;box-shadow:0 3px 10px #26365004}.tabs:not(.desktop-tabs){border-bottom:0;flex-wrap:wrap;gap:6px;max-width:100%;margin-left:0;margin-right:0;overflow-x:visible}.tabs:not(.desktop-tabs)>button{white-space:normal;overflow-wrap:anywhere;border:1px solid #e0e4ef;border-radius:10px;flex:140px;min-width:0;min-height:44px;padding:10px 12px;line-height:1.4}.tabs:not(.desktop-tabs)>button.selected{background:#efebff;border-color:#b5a1e6;border-radius:10px}main{padding-top:20px}}@media (max-width:600px){.app-header{gap:8px;padding:9px 12px}.mobile-brand .brand{gap:6px;font-size:14px}.mobile-brand .brand-icon{border-radius:9px;width:29px;height:30px}.app-header.guest-header{flex-wrap:wrap;justify-content:center;gap:5px}.guest-header .mobile-brand{flex-basis:100%;justify-content:center;max-width:100%;display:flex}.guest-header .header-actions{justify-content:center;gap:7px;width:100%;margin:0}.app-header .teacher-login{padding:6px;font-size:11px}.app-header .teacher-login svg,.student-header .avatar{display:none}.student-header .header-actions{flex-wrap:nowrap}.student-header .user-name{max-width:58px;font-size:10px}.unit-heading{margin-bottom:20px}}@media (max-width:360px){.student-header .user-name{display:none}.app-header .header-actions{gap:4px}.mobile-brand .brand{font-size:13px}.app-header .icon-button{width:34px;min-width:34px}}.home-library-link{text-align:left;color:#5943a2;background:#f1edff;border:1px solid #d8d0f1;border-radius:18px;align-items:center;gap:15px;width:100%;margin:24px 0 0;padding:20px 23px;display:flex}.home-library-link>span{flex:1;min-width:0}.home-library-link b{font-size:18px;display:block}.home-library-link small{color:#686080;margin-top:5px;line-height:1.5;display:block}.test-library-filters{grid-template-columns:1fr 1fr 1.4fr 1.5fr;gap:14px;margin:24px 0;display:grid}.test-library-filters label{flex-direction:column;gap:7px;min-width:0;font-size:12px;font-weight:700;display:flex}.test-library-filters select,.test-library-filters input{width:100%;min-width:0;margin:0}.library-count{color:#62537d;align-items:center;gap:14px;margin:20px 0;display:flex}.test-library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.test-library-grid>.panel{min-width:0;margin:0}.library-test{flex-direction:column;display:flex}.library-test h2{overflow-wrap:anywhere;margin:16px 0 5px;font-size:20px;line-height:1.4}.library-test-tags{flex-wrap:wrap;gap:7px;display:flex}.library-test-tags span{color:#66558c;background:#f2eff9;border-radius:6px;padding:5px 8px;font-size:10px;font-weight:700}.library-test-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:20px;display:flex}.library-test-actions .button{padding:11px 14px}.library-resources{margin-top:35px}.library-credit{color:#6b7287;margin:25px 0 12px;font-size:12px}.library-source-note{margin-top:25px}.question-stem{white-space:pre-line}.question-material{color:#253149;text-align:left;background:#f9fafc;border:1px solid #e0e5ee;border-radius:14px;max-width:100%;margin:20px 0 24px;padding:18px;font-size:16px;line-height:1.65;overflow-x:auto}.question-material p{color:inherit;font-size:inherit;line-height:inherit;margin:7px 0}.question-material img,.question-option-material img{max-width:100%;height:auto;margin:10px auto;display:block}.question-material table{border-collapse:collapse;width:100%;font-size:14px}.question-material td,.question-material th{color:inherit;vertical-align:top;border:1px solid #cfd8e6;padding:8px}.question-material ul,.question-material ol{padding-left:22px}.question-material .cb-q-passage,.question-material .cb-q-text-box,.question-material .cb-q-msg-card{background:#fff;border:1px solid #dbe3ee;border-radius:10px;margin:10px 0;padding:14px}.question-option-content{text-align:left;overflow-wrap:anywhere;flex:1;min-width:0;display:block}.question-option-material{width:100%;display:block}.question-option-material img{object-fit:contain;max-height:240px}.review-options{margin:18px 0}.review-options p{gap:10px;display:flex}.question-source{white-space:normal;overflow-wrap:anywhere}@media (max-width:700px){.test-library-filters{grid-template-columns:1fr 1fr;gap:12px}.test-library-grid{grid-template-columns:1fr}.library-test h2{font-size:19px}.library-test-actions .button{flex:1}.question-material{margin:16px 0;padding:12px;font-size:15px}.question-material td,.question-material th{padding:6px;font-size:12px}.home-library-link{padding:16px}.home-library-link small{font-size:11px}}@media print{.question-material{break-inside:avoid;background:#fff;border:1px solid #ddd;padding:10px;font-size:10pt;overflow:visible}.question-material img,.question-option-material img{max-width:100%;max-height:none}.question-option-material img{max-width:220px}.question-material p{font-size:10pt!important}.question-material *{-webkit-print-color-adjust:exact;print-color-adjust:exact}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.theme-toggle{color:var(--purple)}.question-stem,.options button,.question-material,.question-option-content,.review-question,.academy-question,.academy-options button{letter-spacing:0;-webkit-font-smoothing:auto;font-family:Arial,Helvetica Neue,system-ui,sans-serif}.question-stem{font-size:23px!important;font-weight:700!important;line-height:1.65!important}.options button{font-weight:600;line-height:1.65;font-size:17px!important}.options b,.question-option-content b{font-size:inherit;font-weight:700}.question-material{font-size:17px;font-weight:600;line-height:1.8}.question-material p{line-height:1.8}.question-material :is(h3,h4,td,th){font-family:inherit}.review-question h3{font-size:19px;line-height:1.65}.write-answer{font-family:Arial,sans-serif;font-weight:600}@media screen{html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#e8edf7;--muted:#b7c3d7;--purple:#b4a5ff;--pale:#2b2948;--line:#394860;--bg:#101827;--green:#75ddba;--coral:#ffb8a0;--theme-surface:#1b2639;--theme-raised:#243148}html[data-theme=dark] body{color:var(--ink);background:#101827}html[data-theme=dark] :is(.sidebar,.app-header,.mobile-bottom-nav){color:var(--ink);border-color:var(--line);background:#162134}html[data-theme=dark] :is(.panel,.quiz-panel,.game-panel,.unit-card,.stat,.feature,.lesson-viewer,.lesson-card,.modal,.grade-card,.question-editor,.room-card,.academy-case,.teacher-request,.feedback-entry,.assignment,.grade-picker,.builder-settings,.unit-checks label,.pagination button,.game-select-card,.game-timer,.race-players>div,.academy-profile,.academy-stages>div){background:var(--theme-surface);color:var(--ink);border-color:var(--line);box-shadow:0 5px 18px #0002}html[data-theme=dark] :is(.greeting,.games-hero,.academy-hero,.feedback-intro,.home-library-link,.home-games-banner,.lesson-practice,.flash-card,.academy-home-link){color:var(--ink);box-shadow:none;background:linear-gradient(125deg,#242c49,#1c3443);border-color:#455270}html[data-theme=dark] :is(h1,h2,h3,h4,legend,.stat b,.grade-card>span,.unit-card,.unit-card h3,.resource-card h3,.mobile-brand .brand,.user-name,.crumb b,.word-grid b,.progress-row,.question-list-card):not(.question-material *):not(.question-option-material *){color:var(--ink)}html[data-theme=dark] p:not(.question-material *):not(.question-option-material *),html[data-theme=dark] small:not(.question-material *):not(.question-option-material *),html[data-theme=dark] :is(.teacher-login,.crumb,.nav-link,.school-mark,.resource-heading p,.resource-filename,.library-credit,.section-title p,.unit-card p,.stat span,.grade-card>small,.grade-card>span,.hero-tags,.lesson-help,.question-source){color:var(--muted)}html[data-theme=dark] :is(.brand b,.grade-number,.greeting h1 span,.unit-card>small,.unit-bottom,.resource-visibility,.score-count,.nav-link.active,.text-button,.mobile-bottom-nav button.active,.eyebrow,.lesson-date){color:var(--purple)}html[data-theme=dark] :is(.nav-link.active,.nav-link:hover,.mobile-bottom-nav button.active,.unit-top>span,.pill,.avatar,.notice,.lesson-count,.resource-file-icon,.library-test-tags span,.resource-branches,.academy-clue,.team-scoreboard>.selected){color:#e0d8ff;background:#302d4c;border-color:#514a76}html[data-theme=dark] :is(input,select,textarea){color:var(--ink);accent-color:#a790ff;background-color:#131e30;border-color:#4c5c76}html[data-theme=dark] input::placeholder,html[data-theme=dark] textarea::placeholder{color:#a4b2c9;opacity:1}html[data-theme=dark] :is(.icon-button,.button.secondary,.matching button,.question-numbers button,.grade-picker button,.tabs button,.search,.search input,.word-search-grid button,.student-login-tabs button){color:var(--ink);background:#243148;border-color:#465572}html[data-theme=dark] .button:not(.secondary){color:#fff;background:#7452e4}html[data-theme=dark] .button:not(.secondary):hover{background:#8565ed}html[data-theme=dark] :is(.grade-picker button.selected,.tabs button.selected,.question-numbers button.current,.matching button.selected,.student-login-tabs button.selected){color:#fff;background:#413363;border-color:#b5a1f3}html[data-theme=dark] .options button{color:#f1f5fc;box-shadow:0 3px #101827;background:#202e44!important;border-color:#566680!important}html[data-theme=dark] .options button>span:first-child:not(.question-option-content){color:#eee9ff;background:#37405c}html[data-theme=dark] .options button.selected{background:#40335f!important;border-color:#b9a2ff!important}html[data-theme=dark] .options button.correct{color:#dcfff2;background:#173f38!important;border-color:#62d9ae!important}html[data-theme=dark] .options button.incorrect{color:#ffe9dc;background:#52342b!important;border-color:#efa987!important}html[data-theme=dark] :is(.reward-yes,.game-feedback.correct,.academy-feedback.yes,.roster-class-ready){color:#b9f3dc;background:#173f38;border-color:#377e68}html[data-theme=dark] :is(.reward-retry,.game-feedback.incorrect){color:#ffe0bb;background:#49362a;border-color:#926a45}html[data-theme=dark] .reward-feedback b{color:inherit}html[data-theme=dark] :is(.resource-table th,.resource-table td,.resource-scope,.resource-actions,.source-link,.word-grid>div,.review-question,.school-member,.school-request){border-color:var(--line)}html[data-theme=dark] :is(.resource-repository input[type=file],.upload-zone,.pdf-drop-zone){color:var(--ink);background:#202c41;border-color:#657191}html[data-theme=dark] .resource-report{background:#060b16bf}html[data-theme=dark] .toast{color:#f0f4fc;background:#29374e;border:1px solid #64718d}html[data-theme=dark] footer,html[data-theme=dark] footer .copyright,html[data-theme=dark] footer .copyright strong{color:#aebbd0}html[data-theme=dark] .question-material{color:#253149;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#f6f8fc;border-color:#bac6da}html[data-theme=dark] .question-option-material{color:#253149;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#fff;border-radius:8px;padding:10px}html[data-theme=dark] .question-image{background:#fff;border-color:#66738b}html[data-theme=dark] .unit-photo-grade{color:#eef2fa;background:#162134ed}html[data-theme=dark] :focus-visible{outline-color:#c0afff}html[data-theme=dark] .academy{--ink:#e8edf7;--paper:#1b2639;color:#e8edf7}html[data-theme=dark] :is(.academy-brief,.academy-evidence,.academy-feedback,.academy-finale,.roster-panel thead){background:var(--theme-surface);border-color:var(--line)}html[data-theme=dark] .roster-panel :is(th,td){color:var(--ink);border-color:var(--line)}html[data-theme=dark] .roster-pin{color:#e0d8ff}html[data-theme=dark] .print-sheet{color:#253149;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#fff}html[data-theme=dark] .print-sheet :is(h1,h2,h3,p,small){color:#253149!important}}@media (max-width:700px){.question-stem{font-size:21px!important;line-height:1.65!important}.options button{font-size:16px!important}.question-material{font-size:16px}}@media (max-width:380px){.guest-header .header-actions{gap:4px}.guest-header .header-actions .icon-button{width:34px;min-width:34px}.guest-header .header-actions .button.small{padding:9px 8px;font-size:10px}.guest-header .teacher-login{padding:6px 3px;font-size:10px}}.wide .question-stem{font-size:clamp(26px,3vw,34px)!important}.wide .options button{font-size:clamp(19px,2vw,24px)!important}@media print{.theme-toggle{display:none!important}.question-stem{font-size:12pt!important}.question-material{font-size:10pt;font-weight:500}}.grade6-notes{margin-bottom:1.5rem}.grade6-notes>h2{margin:.5rem 0;font-size:clamp(1.6rem,4vw,2.2rem)}.grade6-notes>p{line-height:1.7}.grade6-note{border:1px solid var(--border,#94a3b855);border-radius:12px;margin:1rem 0;padding:1rem}.grade6-note h4{margin:0 0 .65rem;font-size:1.1rem}.grade6-note p{margin:.5rem 0 0;font-size:1rem;line-height:1.7}.grade6-note .grade6-example{font-size:1.1rem;font-weight:700}.grade6-notes summary{cursor:pointer;padding:.6rem 0;font-weight:700}.grade6-notes li{margin:.6rem 0;line-height:1.6}.student-password{max-height:calc(100dvh - 2rem);overflow-y:auto}.student-password form{gap:1rem;display:grid}.student-password .notice{font-size:.95rem;line-height:1.6}
