:root{--edu-navy:#12254e;--edu-blue:#3d79c7;--edu-pale:#eaf4f9;--edu-line:#dce6ef;--edu-muted:#657b98}
body[data-page=educator],body[data-page=assessment]{margin:0;background:#f5f7fa;color:var(--edu-navy);font-family:Inter,Arial,sans-serif}
.educator-hero{background:var(--edu-pale);padding:32px 0 48px}.educator-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:35px}.educator-heading h1{font-family:Manrope,Inter,sans-serif;font-size:clamp(30px,3.5vw,48px);letter-spacing:-1.5px;margin:0 0 18px;line-height:1.15;color:var(--edu-blue)}.educator-heading p{font-size:18px;line-height:1.7;max-width:65ch;margin:0;color:#385575}
.educator-workspace,.student-workspace{padding-top:30px;padding-bottom:70px}.edu-primary,.edu-secondary{font:inherit;font-weight:600;font-size:14px;border:1px solid var(--edu-line);border-radius:10px;padding:13px 18px;cursor:pointer;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;gap:8px;line-height:1.5;background:white;color:var(--edu-navy)}.edu-primary{background:var(--edu-blue);color:white;border-color:var(--edu-blue)}button:disabled{opacity:.5;cursor:default}.edu-primary:hover:not(:disabled){background:#2d66af}.edu-secondary:hover:not(:disabled){background:#edf4fb}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #85b4eb;outline-offset:3px}
.edu-tabs{display:flex;gap:30px;border-bottom:1px solid var(--edu-line);margin:12px 0 32px;overflow:auto}.edu-tabs button{font:inherit;border:0;background:none;color:var(--edu-muted);padding:15px 0;cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent}.edu-tabs [aria-current=page]{color:var(--edu-navy);border-color:var(--edu-blue);font-weight:700}.edu-section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:28px 0 22px}.edu-section-heading h2{font-size:26px;margin:0 0 8px}.edu-section-heading p,.edu-muted{color:var(--edu-muted);font-size:14px;line-height:1.6;margin:6px 0 16px}.edu-welcome{display:grid;grid-template-columns:1fr 1fr;background:white;border:1px solid var(--edu-line);border-radius:22px;padding:45px;gap:60px;max-width:1100px;margin:10px auto}.edu-welcome h2{font-size:30px;margin-top:0}.edu-welcome p{line-height:1.9;max-width:55ch;margin-bottom:30px}.edu-process{list-style:none;counter-reset:steps;margin:0;padding:0}.edu-process li{counter-increment:steps;display:grid;grid-template-columns:40px 1fr;gap:5px 14px;padding:12px 0;border-bottom:1px solid var(--edu-line)}.edu-process li:before{content:counter(steps);background:#dceafa;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;grid-row:span 2}.edu-process span{font-size:14px;color:var(--edu-muted);line-height:1.6}
.edu-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:34px}.edu-summary div{background:white;border:1px solid var(--edu-line);border-radius:16px;padding:24px}.edu-summary strong{font-size:32px;display:block;margin-bottom:8px}.edu-summary span{font-size:14px;color:var(--edu-muted)}.edu-list{background:white;border:1px solid var(--edu-line);border-radius:18px;overflow:hidden}.edu-row{display:grid;grid-template-columns:2fr 1fr 1fr auto;align-items:center;gap:20px;padding:23px 25px;border-bottom:1px solid var(--edu-line)}.edu-row:last-child{border:0}.edu-row h3{font-size:17px;margin:0 0 7px}.edu-row p{margin:0;color:var(--edu-muted);font-size:13px;line-height:1.8}.edu-status{display:inline-block;border-radius:6px;background:#e5eef9;color:#2a5f9f;padding:7px 10px;font-size:12px;font-weight:600}.edu-status.review{background:#fff0da;color:#966214}.edu-status.correct{background:#e0f3e8;color:#277449}.edu-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.edu-empty{padding:40px;background:white;border:1px dashed #c3d3e4;border-radius:16px;text-align:center;color:var(--edu-muted);line-height:1.9}
.edu-class-card{background:white;border:1px solid var(--edu-line);border-radius:18px;padding:26px;margin-bottom:22px}.edu-class-card h3{font-size:22px;margin:0 0 8px}.edu-class-roster{padding:0;list-style:none}.edu-class-roster li{padding:10px 0;border-bottom:1px solid #edf1f5;font-size:14px}.edu-inline-form{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin-top:20px}label{display:block;font-size:14px;line-height:1.7}input,select,textarea{font:inherit;font-size:14px;display:block;box-sizing:border-box;width:100%;border:1px solid #cddae8;color:var(--edu-navy);background:white;border-radius:8px;padding:11px 13px;margin-top:6px}textarea{min-height:130px;resize:vertical;line-height:1.8}.edu-inline-form label{flex:1;min-width:200px}.edu-builder-meta{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;margin-bottom:28px}.edu-builder-layout{display:grid;grid-template-columns:225px minmax(0,1fr) 280px;gap:22px}.edu-topic-panel,.edu-selection{align-self:start;position:sticky;top:24px;background:white;border:1px solid var(--edu-line);border-radius:16px;padding:20px;max-height:calc(100vh - 48px);overflow:auto}.edu-topic-panel h3,.edu-selection h3{margin:0 0 16px;font-size:18px}.edu-topic-panel nav{margin-top:16px}.edu-topic-panel button{display:block;text-align:left;width:100%;border:0;background:white;color:#4d6789;font:inherit;font-size:12px;padding:10px;border-radius:6px;cursor:pointer;line-height:1.7}.edu-topic-panel button[aria-pressed=true]{background:#e2edf9;color:var(--edu-navy);font-weight:700}.edu-builder-toolbar{display:grid;grid-template-columns:1fr 160px;gap:18px}.edu-choice-card{border:1px solid var(--edu-line);border-radius:14px;background:white;margin:14px 0;padding:20px}.edu-choice-top{display:flex;align-items:center;gap:12px;justify-content:space-between}.edu-choice-top label{display:flex;align-items:center;gap:10px;font-weight:600}.edu-choice-top input{width:auto;margin:0}.edu-choice-card details{margin-top:15px}.edu-choice-card summary{color:#3d79c7;cursor:pointer;font-size:13px}.edu-choice-card .assessment-content{margin-top:20px;font-size:20px}.edu-selection ol{padding-left:20px;font-size:13px}.edu-selection li{padding:12px 0;border-bottom:1px solid var(--edu-line)}.edu-selection li button{font:inherit;border:0;background:#eff4fa;color:#35567f;border-radius:5px;padding:4px 7px;cursor:pointer;margin:7px 5px 0 0}.edu-selection .edu-primary{width:100%;margin-top:14px}
.assessment-content{font-family:var(--font-question,KaTeX_Main,"Times New Roman",serif);font-size:21px;line-height:1.7;overflow-wrap:break-word;color:#132b4e}.assessment-content p{margin:14px 0}.assessment-content img{max-width:100%;max-height:430px;object-fit:contain;display:block;margin:18px auto}.assessment-content figure{margin:20px 0}.assessment-content figcaption{font-family:Inter,Arial,sans-serif;font-size:13px;color:var(--edu-muted)}.assessment-table{overflow-x:auto}.assessment-table table{border-collapse:collapse;margin:20px auto;max-width:100%;font-size:17px}.assessment-table td,.assessment-table th{border:1px solid #b7c6d6;padding:9px 14px;white-space:normal}.assessment-choices{display:grid;gap:15px;margin:22px 0}.assessment-choices>div{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:center;padding:5px 0}
.assessment-choices>div>strong{white-space:nowrap}.assessment-choices p{margin:0}.assessment-part{border-top:1px solid #e8edf3;padding:15px 0}.assessment-content .katex{font-size:1em}.assessment-content .katex-display{overflow:auto;max-width:100%}
.student-workspace{max-width:1120px}.student-progress{position:sticky;top:0;z-index:5;display:flex;gap:18px;align-items:center;background:#f5f7fa;padding:15px 0 22px}.student-progress select{width:190px;margin:0}.student-progress span{margin-left:auto;font-size:13px;color:var(--edu-muted)}.student-question{background:white;border:1px solid var(--edu-line);border-radius:20px;margin:20px 0;scroll-margin-top:90px}.student-question>header{padding:22px 32px;border-bottom:1px solid var(--edu-line);display:flex;justify-content:space-between;align-items:center}.student-question h2{font-size:20px;margin:0}.student-question .assessment-content{padding:24px 32px}.student-answer{margin:0 32px 30px;padding-top:20px;border-top:1px solid var(--edu-line)}.student-options{display:flex;gap:14px;flex-wrap:wrap;margin-top:15px}.student-options label{display:flex;align-items:center;gap:10px;border:1px solid #d6e2ee;border-radius:8px;padding:11px 18px;cursor:pointer}.student-options input{width:auto;margin:0}.student-options label:has(input:checked){background:#e1edf9;border-color:#3d79c7}.student-submit{display:flex;justify-content:space-between;align-items:center;gap:20px;background:white;border:1px solid var(--edu-line);border-radius:14px;padding:22px 30px}.student-feedback{background:#edf5fc;border-left:3px solid var(--edu-blue);padding:16px 20px;margin-top:18px;line-height:1.8;white-space:pre-wrap}.student-response{white-space:pre-wrap;line-height:1.8;background:#f5f7fa;border-radius:10px;padding:20px}.edu-review-student{background:white;border:1px solid var(--edu-line);border-radius:16px;margin:20px 0}.edu-review-student>summary{font-weight:600;padding:23px;cursor:pointer}.edu-review-body{padding:0 24px 24px}.edu-grade-item{border-top:1px solid var(--edu-line);padding:24px 0}.edu-grade-item h4{margin-top:0}.edu-grade-form{display:grid;grid-template-columns:130px 1fr;gap:15px}.edu-grade-form textarea{min-height:80px}.edu-grade-form button{justify-self:start;grid-column:2}.edu-topics-table{width:100%;border-collapse:collapse;font-size:14px;background:white}.edu-topics-table th,.edu-topics-table td{padding:15px;text-align:left;border-bottom:1px solid var(--edu-line)}.edu-topics-table th{color:var(--edu-muted);font-weight:500}
.edu-dialog{border:1px solid var(--edu-line);border-radius:22px;max-width:530px;width:calc(100% - 48px);padding:34px;box-sizing:border-box;color:var(--edu-navy);font:inherit}.edu-dialog::backdrop{background:rgba(13,31,55,.45)}.edu-dialog p{line-height:1.8;color:var(--edu-muted)}.edu-dialog .edu-primary{margin-top:18px}.edu-close{position:absolute;right:20px;top:15px;border:0;background:none;font-size:27px;color:#657b98;cursor:pointer}[data-error=true]{color:#a83a3a}#eduMessage,#studentMessage{line-height:1.8;font-size:14px;min-height:20px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}
@media(max-width:1100px){.edu-builder-layout{grid-template-columns:190px minmax(0,1fr)}.edu-selection{grid-column:1/-1;position:static;max-height:none}.edu-row{grid-template-columns:2fr 1fr auto}.edu-row>div:nth-child(3){grid-column:1}.edu-welcome{gap:30px;padding:30px}}@media(max-width:760px){.educator-hero{padding:20px 0 30px}.educator-heading{display:block;margin-top:25px}.educator-heading .edu-primary{margin-top:24px}.educator-heading h1{font-size:32px;letter-spacing:-.8px}.educator-heading p{font-size:16px}.edu-welcome{grid-template-columns:1fr;padding:24px;gap:25px}.edu-summary{gap:10px}.edu-summary div{padding:16px}.edu-summary strong{font-size:26px}.edu-summary span{font-size:12px}.edu-row{grid-template-columns:1fr;gap:12px;padding:22px}.edu-row>div:nth-child(3){grid-column:auto}.edu-builder-meta,.edu-builder-layout{grid-template-columns:1fr}.edu-topic-panel{position:static;max-height:270px}.edu-builder-toolbar{grid-template-columns:1fr 120px;gap:12px}.edu-section-heading{align-items:start;flex-direction:column}.edu-grade-form{grid-template-columns:1fr}.edu-grade-form button{grid-column:1}.student-progress{flex-wrap:wrap;padding:14px 0}.student-progress span{width:100%;margin-left:0}.student-question>header{padding:18px}.student-question .assessment-content{padding:16px 18px;font-size:18px}.student-answer{margin:0 18px 25px}.student-submit{padding:20px;align-items:start;flex-direction:column}.assessment-table table{font-size:15px}.assessment-table td,.assessment-table th{padding:7px 10px}.edu-tabs{gap:24px}.edu-review-body{padding:0 16px 16px}.edu-topics-table{font-size:12px}.edu-topics-table th,.edu-topics-table td{padding:12px 8px}}