:root{--ink:#152e37;--muted:#647a83;--green:#19775e;--mint:#cbf3e2;--paper:#f5f7f7;--line:#dfe7e8;--nav:#102d35;--accent:#9ae6bd;--red:#b23f3e;--radius:16px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{opacity:.45;cursor:wait}h1,h2,h3,p{margin:0}h1{font-size:clamp(25px,3vw,34px);letter-spacing:-1.2px;font-weight:720}h2{font-size:18px;letter-spacing:-.4px}h3{font-size:15px}p{line-height:1.65}.boot{padding:80px;text-align:center}.app-shell{display:flex;min-height:100vh}.sidebar{width:248px;background:var(--nav);color:#c6d6da;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:40;padding:28px 18px 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.btn{width:100%;padding:13px}.demo-roles{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:17px}.demo-role{border:1px solid var(--line);padding:12px;border-radius:9px;text-align:left;background:white;font-size:12px;font-weight:600;color:#35535c}.demo-role:hover{border-color:#94baa6;background:#f0f7f2}.demo-role small{font-size:10px;font-weight:450;display:block;color:var(--muted);margin-top:4px}.modal-backdrop{position:fixed;inset:0;background:#0d252d88;z-index:80;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}.modal{background:white;border-radius:18px;width:560px;max-width:100%;max-height:90vh;overflow:auto;box-shadow:0 30px 100px #0a242955}.modal-header{padding:22px 25px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:white;z-index:1}.modal-header h2{font-size:19px}.modal-body{padding:24px 25px}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:17px 25px;border-top:1px solid var(--line)}.form-error{color:#a8403d;background:#fff1f0;border-radius:8px;padding:12px;font-size:12px;margin-bottom:15px}.code{display:block;white-space:pre-wrap;overflow-wrap:anywhere;background:#edf4f1;color:#245840;border:1px solid #d3e5db;padding:17px;border-radius:9px;font-size:12px;margin:15px 0}#toast{position:fixed;bottom:25px;right:25px;background:#153a32;color:white;padding:14px 20px;border-radius:11px;font-size:12px;box-shadow:0 6px 24px #10251f22;z-index:100;display:none;max-width:400px}#toast.visible{display:block}.veil{display:none}.danger-text{color:var(--red)}.settings-group{max-width:650px}.checkbox-list{max-height:180px;overflow:auto;border:1px solid var(--line);border-radius:9px;padding:8px 14px}.nav-results{display:flex;flex-direction:column;gap:7px}.nav-results a{padding:12px;border:1px solid var(--line);border-radius:8px;font-size:12px}.help-item{border-bottom:1px solid var(--line);padding:18px 0}.help-item:first-child{padding-top:0}.help-item h3{margin-bottom:7px}.help-item p{font-size:12px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1450px){.classroom-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.main{padding-top:42px}}@media(max-width:1100px){.sidebar{width:220px}.content-shell{margin-left:220px}.main{padding:28px 24px}.topbar{padding:0 24px}.search{display:none}.classroom-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-grid{gap:12px}.metric{padding:17px}.grid-two{grid-template-columns:1fr 1fr}.hero{grid-template-columns:1fr 120px}.login-story{padding:40px}.profile span:last-child{display:none}}
@media(max-width:800px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:248px}.sidebar.open{transform:translateX(0)}.veil.open{display:block;position:fixed;inset:0;background:#102d3577;z-index:35}.content-shell{margin-left:0}.menu-toggle{display:inline-flex}.topbar{height:70px;padding:0 18px;gap:12px}.topbar-tools{gap:9px}.main{padding:24px 18px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-two{grid-template-columns:1fr;gap:18px}.page-head{align-items:flex-start;flex-direction:column;gap:16px}.hero{padding:24px}.hero h2{font-size:23px}.hero-right{display:none}.hero{grid-template-columns:1fr}.login{grid-template-columns:1fr}.login-story{padding:30px;min-height:300px}.login-story h1{font-size:39px;margin-top:40px}.login-story footer{display:none}.login-story p{display:none}.login-form{padding:30px 22px}.login-story .eyebrow{display:none}.login-story h1{margin-bottom:0}.form-grid{grid-template-columns:1fr}.school-name{font-size:12px}.classroom-grid{gap:12px}.card-head{padding:18px}.card-body{padding:18px}.screen{height:150px}td,th{padding:12px 16px}.demo-banner{align-items:flex-start}.student-actions .btn{padding:7px 9px}.modal-backdrop{padding:12px}.modal-body{padding:20px}.modal-header,.modal-footer{padding:18px 20px}}
@media(max-width:440px){.classroom-grid{grid-template-columns:1fr}.screen{height:200px}.metric-value{font-size:27px}.topbar-tools{gap:3px}.topbar-tools>.profile{display:none}.card-head>.btn{font-size:10px}.head-actions{width:100%}.head-actions .btn{flex:1}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.preview-banner{display:flex;gap:16px;align-items:center;justify-content:space-between;background:#e9f6f2;border:1px solid #86bca8;border-radius:12px;padding:16px;margin-bottom:24px}.preview-banner p{margin:6px 0 0;font-size:13px;max-width:760px}.preview-banner .btn{flex-shrink:0}@media(max-width:700px){.preview-banner{align-items:flex-start;flex-direction:column}.topbar-tools>.btn{font-size:11px;padding:8px}}

.onboarding-wrap{max-width:850px;margin:0 auto;padding:32px 20px}.onboarding-wrap>.brand{color:#173d3c;margin-bottom:26px}.onboarding-card h1{margin:0 0 20px}.onboarding-card h2{margin:24px 0 14px}.onboarding-card p{line-height:1.65;margin:16px 0}.onboarding-card form{display:grid;gap:18px;margin-top:24px}.onboarding-card .brand img{width:36px}.onboarding-card .btn{width:fit-content}

.ownership{padding:18px 24px;text-align:center;background:#102d35;color:#e1f8f5;font-size:12px;line-height:1.7}.ownership a{color:#74e2cb}.brand sup{font-size:10px;vertical-align:super}