:root{--navy:#182342;--ink:#202943;--muted:#687084;--paper:#f6f7fb;--turquoise:#48e1ca;--yellow:#ffe271;--pink:#ff9ec9;--violet:#b9a4ff;--line:#e5e7ef;--radius:24px}*{box-sizing:border-box}body{margin:0;font-family:'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.5}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #6753d3;outline-offset:4px}.skip{position:fixed;top:-80px;left:20px;z-index:50;background:white;padding:16px}.skip:focus{top:10px}#sidebar{position:fixed;inset:0 auto 0 0;width:238px;background:var(--navy);color:#fff;padding:32px 23px;display:flex;flex-direction:column;z-index:20}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;font-size:22px;line-height:1.05;letter-spacing:-.6px}.brand strong{display:block;font-weight:850}.dot{color:var(--turquoise)}.brand-symbol{width:45px;height:45px;background:var(--turquoise);color:var(--navy);border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:29px;font-weight:900;transform:rotate(-8deg);letter-spacing:-5px;padding-right:5px}.brand-symbol span{color:#304267}.nav-caption{font-size:9px;letter-spacing:1.8px;color:#a6afc8;margin:48px 10px 16px;font-weight:700}nav{display:grid;gap:7px}nav a{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:12px;text-decoration:none;color:#c8cede;font-size:14px;font-weight:600}nav a:hover{background:#263354}nav a.active{background:var(--turquoise);color:var(--navy)}nav .nav-icon{width:22px;text-align:center;font-size:20px}nav a:last-child{margin-top:17px;border-top:1px solid #3b4460}.sidebar-bottom{margin-top:auto;padding:28px 12px 0}.sidebar-bottom strong{font-size:20px;line-height:1.2}.sidebar-bottom p{color:#b1bad0;font-size:12px;max-width:150px}.mini-spark{font-size:38px;color:var(--yellow);margin-bottom:6px}.version{font-size:9px;letter-spacing:1px;color:#9ba5bf}.shell{margin-left:238px}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;padding:0 44px;border-bottom:1px solid var(--line);background:#fff}.breadcrumb{font-size:11px;letter-spacing:1px;color:var(--muted)}.breadcrumb span{margin:0 12px;color:#b2b8c7}.breadcrumb b{color:var(--ink);letter-spacing:0}.top-actions{display:flex;gap:22px;align-items:center}.local-pill{font-size:11px;background:#eff9f6;color:#277462;padding:6px 11px;border-radius:20px}.avatar{border-radius:14px;background:var(--yellow);width:40px;height:40px;display:grid;place-items:center;font-size:12px;font-weight:800}main{max-width:1400px;margin:auto;padding:33px 44px 48px;min-height:calc(100vh - 150px)}h1,h2,h3,p{margin-top:0}h1{font-size:32px;letter-spacing:-1.1px;line-height:1.15;margin-bottom:10px}h2{font-size:21px;letter-spacing:-.5px}h3{font-size:18px;line-height:1.3}p{color:var(--muted)}.eyebrow{font-size:10px;font-weight:800;letter-spacing:1.7px;margin-bottom:12px}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:26px}.page-heading p{font-size:14px;margin-bottom:0}.tag{display:inline-block;padding:6px 11px;border-radius:9px;background:#fff9d6;font-size:10px;font-weight:800;letter-spacing:1px;white-space:nowrap}.hero{background:var(--turquoise);border-radius:var(--radius);padding:33px 36px;display:grid;grid-template-columns:1.15fr 1fr;position:relative;overflow:hidden;min-height:300px}.hero h2{font-size:43px;line-height:1.04;letter-spacing:-1.9px;margin-bottom:16px;max-width:450px}.hero p{font-size:14px;color:#204d4b;max-width:330px;margin-bottom:24px}.hero .eyebrow{display:inline-block;border:1px solid #198f7f66;padding:5px 10px;border-radius:20px}.hero-art{width:100%;height:255px;align-self:center;overflow:visible}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 19px;border:0;border-radius:12px;background:var(--navy);color:#fff;text-decoration:none;font-size:13px;font-weight:700;min-height:44px}.button:hover{filter:brightness(1.15)}.button.light{background:#fff;color:var(--ink);border:1px solid var(--line)}.button.small{padding:9px 14px;font-size:12px}.button.danger{background:#9c244c}.button.turquoise{background:var(--turquoise);color:var(--navy)}.section-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:30px 0 16px}.section-title h2{margin:0}.section-title a{font-size:12px;font-weight:700;text-decoration:none}.grid{display:grid;gap:18px}.grid.four{grid-template-columns:repeat(4,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);padding:23px;border-radius:20px}.activity-card{text-decoration:none;position:relative;min-height:180px;transition:transform .15s}.activity-card:hover{transform:translateY(-4px)}.activity-card h3{margin:18px 0 5px}.activity-card p{font-size:12px;margin-bottom:0}.card-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:25px}.arrow{position:absolute;right:20px;top:24px;font-size:20px}.pink{background:var(--pink)}.yellow{background:var(--yellow)}.violet{background:var(--violet)}.mint{background:var(--turquoise)}.lower-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-top:24px}.unit-card{display:flex;align-items:center;gap:24px}.school-icon{background:#f1ecff;border-radius:18px;min-width:96px;height:106px;display:grid;place-items:center;font-size:55px}.unit-card h3{margin:8px 0}.unit-card p{font-size:12px}.unit-copy{flex:1}.unit-card .button{margin-top:12px}.progress-card{background:var(--navy);color:white;border:0}.progress-card p{color:#b8c2db;font-size:12px}.progress-line{height:8px;background:#e9ecf4;border-radius:10px;overflow:hidden;margin:14px 0}.progress-line span{display:block;background:var(--turquoise);height:100%;transition:width .3s}.progress-card .progress-line{background:#3c4664}.progress-number{font-size:34px;font-weight:850;color:var(--yellow)}.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.muted{color:var(--muted)}.small-text{font-size:12px}.notice{padding:16px 20px;background:#ede9ff;border-radius:14px;font-size:13px;color:#493a78;margin-bottom:22px}.notice.warning{background:#fff3d1;color:#725113}.activity-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(240px,.8fr);gap:22px}.reading{font-size:19px;line-height:1.85}.reading p{color:var(--ink)}.reading .card-icon{margin-bottom:20px}fieldset{margin:0 0 24px;border:0;padding:0}legend{font-weight:700;margin-bottom:12px;font-size:16px}.option{display:flex;align-items:center;gap:12px;margin:8px 0;padding:12px 15px;border:1px solid var(--line);border-radius:12px;cursor:pointer;font-size:14px;background:white}.option:has(input:checked){border-color:#6650ca;background:#f3efff}.option input{accent-color:#6650ca;width:18px;height:18px;flex-shrink:0}.feedback{margin-top:18px;border-radius:14px;padding:18px;background:#e8f8f2;color:#245341}.feedback p{color:inherit;margin:7px 0}.feedback ul{padding-left:20px}.feedback li{margin:9px 0}.feedback.error{background:#fff0f3;color:#8b2f47}label.field{display:block;font-weight:650;margin:14px 0 7px}input[type=text],textarea,select{border:1px solid #cbd0dd;border-radius:12px;padding:12px;width:100%;background:white;color:var(--ink)}textarea{min-height:180px;resize:vertical;line-height:1.7}.word-bank{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}.word-bank span{border-radius:20px;background:#f0edff;padding:7px 13px;font-size:12px;color:#514477}.checklist{padding-left:20px;font-size:14px;line-height:1.9}.stat{font-size:32px;font-weight:800;display:block}.stat-label{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th,td{padding:13px 10px;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}.empty{padding:25px;text-align:center;background:#f7f8fc;border-radius:15px}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}.memory-tile{border:2px solid #e2dcf8;background:#f0ecff;border-radius:16px;min-height:95px;padding:10px;font-size:17px;font-weight:700;color:var(--ink)}.memory-tile.selected{background:var(--yellow);border-color:#c19817}.memory-tile.matched{background:#d3f7ed;border-color:#49b89e}.worksheet{display:flex;gap:16px;align-items:flex-start}.worksheet .number{font-size:25px;font-weight:850;color:#7561bd}.worksheet h3{margin-bottom:6px}.worksheet p{font-size:13px}details{margin:20px 0}summary{cursor:pointer;font-weight:700}footer{border-top:1px solid var(--line);padding:20px 44px;display:flex;justify-content:space-between;gap:15px;font-size:10px;font-weight:600;color:var(--muted)}footer a{text-decoration:none}#toast{position:fixed;bottom:25px;right:25px;max-width:calc(100vw - 50px);border-radius:14px;background:var(--navy);color:white;padding:14px 20px;z-index:40;box-shadow:0 5px 25px #18234233;display:none}#toast.visible{display:block}#menu-toggle{display:none}.icon-button{border:0;background:#eef1f7;border-radius:10px;padding:8px 12px;font-size:20px}.spaced{margin-top:22px}.review-entry{margin:16px 0;padding:18px;border:1px solid var(--line);border-radius:16px}.review-text{white-space:pre-wrap;color:var(--ink);font-size:15px;overflow-wrap:anywhere}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1500px){main{padding-top:45px}.hero{min-height:330px}.hero h2{font-size:52px}}
@media(max-width:1150px){#sidebar{width:205px;padding:28px 16px}.shell{margin-left:205px}main{padding:28px}.topbar{padding:0 28px}.hero{padding:27px;grid-template-columns:1.1fr 1fr}.hero h2{font-size:35px}.grid.four{grid-template-columns:repeat(2,1fr)}.activity-card{min-height:160px}.lower-grid{grid-template-columns:1fr 1fr}.unit-card{align-items:flex-start;gap:14px}.school-icon{min-width:60px;height:75px;font-size:36px}.activity-layout{grid-template-columns:1fr}.hero-art{height:230px}}
@media(max-width:760px){#sidebar{transform:translateX(-100%);transition:transform .2s;width:238px}#sidebar.open{transform:translateX(0);box-shadow:20px 0 50px #18234244}.shell{margin-left:0}.topbar{height:70px;padding:0 18px;gap:15px}#menu-toggle{display:block}.breadcrumb{flex:1}.top-actions{gap:8px}.local-pill{display:none}main{padding:24px 18px}.page-heading{gap:10px}h1{font-size:27px}.page-heading>.tag{display:none}.hero{grid-template-columns:1fr;padding:26px;min-height:0}.hero h2{font-size:39px;max-width:350px}.hero-art{height:185px;margin-top:15px}.hero p{max-width:100%}.lower-grid,.grid.three,.grid.two{grid-template-columns:1fr}.grid.four{gap:12px}.card{padding:19px}.activity-card h3{font-size:17px}.activity-card{min-height:170px}.memory-grid{grid-template-columns:repeat(3,1fr)}.memory-tile{font-size:14px;min-height:80px}footer{padding:20px;flex-wrap:wrap}footer>span{display:none}.unit-card{align-items:center}.school-icon{min-width:76px;height:90px}.reading{font-size:17px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
#sidebar{overflow-y:auto}.sidebar-bottom{flex-shrink:0}
@media(max-width:760px){#sidebar{visibility:hidden}#sidebar.open{visibility:visible}}

.worksheet-task{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid #dbe4ea}.worksheet-task label{display:flex;align-items:center;gap:8px}.worksheet-task input{width:20px;height:20px}