[data-qbs-root]{--qbs-ink:#172d48;--qbs-muted:#64748a;--qbs-line:#dce5ef;--qbs-blue:#2667d7;min-width:0;color:var(--qbs-ink);font-size:14px;line-height:1.6}
[data-qbs-root] *{box-sizing:border-box}[data-qbs-root] h1,[data-qbs-root] h2,[data-qbs-root] h3,[data-qbs-root] h4{color:var(--qbs-ink);margin:0;letter-spacing:-.035em}[data-qbs-root] p{margin:6px 0 0}[data-qbs-root] h1{font-size:clamp(25px,3vw,34px);line-height:1.3}[data-qbs-root] h2{font-size:20px}[data-qbs-root] h3{font-size:18px}[data-qbs-root] h4{font-size:15px}[data-qbs-root] input,[data-qbs-root] select{width:100%;min-width:0;min-height:43px;border:1px solid #cdd9e8;border-radius:10px;background:#fff;padding:9px 11px;color:var(--qbs-ink);font:inherit}[data-qbs-root] label{display:block;font-weight:700;font-size:12px}[data-qbs-root] button,[data-qbs-root] a{font:inherit}[data-qbs-root] :focus-visible{outline:3px solid #8ab6ff;outline-offset:2px}
.qbs-heading,.qbs-section-heading,.qbs-student-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.qbs-heading{margin-bottom:20px}.qbs-heading p,.qbs-section-heading p,.qbs-student-heading p,.qbs-muted{color:var(--qbs-muted);font-size:12px}.qbs-eyebrow{display:block;font-size:11px;letter-spacing:.03em;font-weight:800;color:#2864c3;margin-bottom:5px}.qbs-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.qbs-button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 12px;border:1px solid var(--qbs-line);border-radius:10px;background:#fff;color:var(--qbs-ink);text-decoration:none;font-weight:700!important;cursor:pointer;white-space:normal;text-align:center;line-height:1.35}.qbs-primary{background:var(--qbs-blue);border-color:var(--qbs-blue);color:#fff}.qbs-small{min-height:34px;font-size:11px!important;padding:6px 9px}.qbs-button:disabled{opacity:.45;cursor:default}.qbs-button:hover:not(:disabled){box-shadow:0 2px 9px #13346513}.qbs-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px}.qbs-students{align-self:start;padding:17px;background:#fff;border:1px solid var(--qbs-line);border-radius:18px}.qbs-students h2{font-size:16px;margin-bottom:14px}.qbs-search-row{display:flex;gap:6px;margin-top:5px}.qbs-search-row input{width:100%;min-width:0}.qbs-search-row .qbs-button{flex-shrink:0;padding:7px 10px}.qbs-student-list{display:grid;gap:8px;margin-top:12px}.qbs-student{width:100%;display:grid;gap:3px;text-align:left;border:1px solid var(--qbs-line);border-radius:12px;background:#fff;padding:12px;color:var(--qbs-ink);cursor:pointer;min-width:0;overflow-wrap:anywhere}.qbs-student b{font-size:15px}.qbs-student span,.qbs-student small{font-size:11px;color:var(--qbs-muted)}.qbs-student.selected{background:#edf4ff;border-color:#6599ef;box-shadow:inset 0 0 0 1px #6599ef}.qbs-student.selected b{color:#245fc5}.qbs-report{min-width:0}.qbs-student-heading{padding-bottom:14px;border-bottom:1px solid var(--qbs-line)}.qbs-student-heading small{font-size:10px;color:var(--qbs-muted)}.qbs-filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;padding:14px 0}.qbs-filters select{margin-top:4px;font-size:12px}.qbs-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.qbs-metrics article{min-width:0;border:1px solid var(--qbs-line);background:#fff;border-radius:14px;padding:14px}.qbs-metrics span,.qbs-metrics>article>small{display:block;color:var(--qbs-muted);font-size:11px}.qbs-metrics strong{display:block;line-height:1.3;font-size:clamp(18px,2vw,23px);font-weight:850;margin:8px 0 4px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.qbs-metrics strong small{font-size:11px;padding-left:3px}.qbs-summary-note{font-size:11px;margin:10px 0 0!important}.qbs-panel{margin-top:16px;padding:18px;border:1px solid var(--qbs-line);border-radius:18px;background:#fff}.qbs-section-heading{align-items:start;margin-bottom:14px}.qbs-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.qbs-topic{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:13px;border:1px solid #e4eaf3;border-radius:13px;background:#f8faff}.qbs-topic h4{font-size:14px}.qbs-topic span{display:block;font-size:10px;color:var(--qbs-muted);margin-top:3px}.qbs-topic strong{color:#2965cd;font-size:20px}.qbs-topic-bar{grid-column:1/-1;height:5px;background:#e3ebf9;border-radius:9px;overflow:hidden}.qbs-topic-bar i{display:block;height:100%;background:#3275e1;border-radius:9px}.qbs-topic p{grid-column:1/-1;color:#53677f;font-size:11px;line-height:1.7}.qbs-table-scroll{max-width:100%;overflow-x:auto;margin-top:12px}.qbs-table{border-collapse:collapse;width:100%;font-size:11px;min-width:560px}.qbs-table th{color:var(--qbs-muted);background:#f6f8fc;text-align:left;white-space:nowrap}.qbs-table td,.qbs-table th{padding:10px 8px;border-bottom:1px solid #e5ebf3;vertical-align:middle}.qbs-table td small{display:block;color:var(--qbs-muted);margin-top:3px}.qbs-table td:first-child{white-space:nowrap}.qbs-empty,.qbs-loading{padding:30px 16px;text-align:center;color:var(--qbs-muted);font-size:12px;line-height:1.9}.qbs-notice{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#f1f6ff;border:1px solid #dce7fa;padding:12px 14px;border-radius:12px;color:#38547d;font-size:12px;margin-bottom:12px}.qbs-error{background:#fff4f1;border-color:#edc9c0;color:#9e4031}.qbs-assignment-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:#f1f6ff;border:1px solid #dfebfc;padding:10px;border-radius:11px;margin-bottom:15px}.qbs-assignment-bar>span{font-weight:800;font-size:12px;margin-right:auto}.qbs-question{padding:17px 0;border-top:1px solid var(--qbs-line);break-inside:avoid}.qbs-question:first-of-type{border-top:0}.qbs-question-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;color:var(--qbs-muted);font-size:10px;margin-bottom:12px}.qbs-check{display:flex!important;align-items:center;gap:5px;font-size:11px!important;font-weight:500!important}.qbs-check input{width:16px!important;height:16px;min-height:0!important;accent-color:var(--qbs-blue)}.qbs-question-prompt{font-weight:750;padding:12px;border-radius:10px;background:#f7f9fd}.qbs-choices{display:grid;gap:8px;list-style:none;padding:0;margin:12px 0}.qbs-choices li{display:flex;align-items:start;gap:10px;padding:10px 12px;border:1px solid #e3e9f2;border-radius:10px;min-width:0}.qbs-choices li>span{color:var(--qbs-muted);font-size:12px;flex-shrink:0}.qbs-choices li>div{min-width:0}.qbs-answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}.qbs-answer-grid section{min-width:0;background:#f8faff;border:1px solid #e3eaf3;border-radius:11px;padding:12px}.qbs-answer-grid section:last-child{background:#f0f8f3;border-color:#d8e9df}.qbs-answer-grid h4,.qbs-explanation h4{font-size:12px!important;margin-bottom:8px!important}.qbs-answer-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.qbs-answer-grid small{color:var(--qbs-muted);font-size:10px}.qbs-explanation{padding:12px;border:1px solid #e3eaf3;border-radius:11px;margin-top:10px}.qbs-feedback{font-size:11px;color:var(--qbs-muted)}.qbs-images{display:flex;align-items:start;gap:10px;flex-wrap:wrap}.qbs-image{max-width:100%;border:0;padding:0;background:#fff;cursor:zoom-in;margin-top:9px}.qbs-image img{max-width:100%;max-height:500px;object-fit:contain;display:block}.qbs-pages{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:14px;font-size:11px}.qbs-zoom,.qbs-assignment{padding:18px;border:1px solid var(--qbs-line);border-radius:16px;width:min(780px,calc(100vw - 24px));max-height:calc(100dvh - 30px);overflow:auto;box-shadow:0 16px 50px #001f4840}.qbs-zoom::backdrop,.qbs-assignment::backdrop{background:#0c2039a8}.qbs-zoom form{text-align:right;margin-bottom:12px}.qbs-zoom img{width:100%;object-fit:contain}.qbs-assignment{width:min(460px,calc(100vw - 24px))}.qbs-assignment p{font-size:12px;color:var(--qbs-muted);margin:9px 0 15px}.qbs-assignment label{margin-bottom:12px}.qbs-assignment label input{margin-top:5px}.qbs-assignment .qbs-toolbar{justify-content:end}.qbs-assignment-error{color:#a34236!important}
.qbs-weak-points{grid-column:1/-1;list-style:none;display:grid;gap:4px;padding:0;margin:0;font-size:11px}.qbs-weak-points li{display:flex;justify-content:space-between;gap:8px;color:#805038}.qbs-weak-points b{white-space:nowrap}
.qbs-concept-heading{margin-top:20px!important;font-size:14px!important}.qbs-concept-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:10px}.qbs-concept{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;padding:12px;border:1px solid #e4eaf3;border-radius:12px}.qbs-concept h4{font-size:13px!important}.qbs-concept span,.qbs-concept small{color:var(--qbs-muted);font-size:10px}.qbs-concept p,.qbs-concept small{grid-column:1/-1}.qbs-concept p{font-size:11px}.qbs-concept strong{color:#2864c3;font-size:17px}
@media(max-width:720px){.qbs-concept-grid{grid-template-columns:1fr}}
/* Reuse the bank's sanitised SVG/text fragments without its global page skin. */
[data-qbs-root] .qb-rich-content{font-size:14px;line-height:1.85;overflow-wrap:anywhere;min-width:0;max-width:100%;white-space:normal;color:#202b3c}[data-qbs-root] .qb-inline-math{display:inline-block;vertical-align:middle;max-width:100%;overflow-x:auto;overflow-y:hidden;line-height:1;scrollbar-width:thin;margin:.08em .14em}[data-qbs-root] .qb-text-fragment{white-space:normal}[data-qbs-root] .qb-unit-fragment{white-space:nowrap}[data-qbs-root] .qb-text-fragment sup{font-size:.7em;line-height:0;vertical-align:super}[data-qbs-root] .qb-fragment-image{border:0;background:transparent;display:inline-block;vertical-align:middle;padding:.1em .16em;margin:0;max-width:100%;cursor:zoom-in;text-align:left;line-height:1}[data-qbs-root] .qb-fragment-image img{display:block;max-width:100%;height:auto;object-fit:contain;border:0;background:#fff}[data-qbs-root] .qb-diagram-fragment{display:block;margin:.75em 0}
.qbs-focus .qbs-students,.qbs-focus .qbs-filters,.qbs-focus .qbs-metrics,.qbs-focus .qbs-summary-note,.qbs-focus .qbs-analysis,.qbs-focus .qbs-history,.qbs-focus .qbs-session{display:none}.qbs-focus .qbs-layout{grid-template-columns:minmax(0,1fr)}
@media(max-width:1100px){.qbs-layout{grid-template-columns:190px minmax(0,1fr);gap:12px}.qbs-heading{align-items:start;flex-direction:column}.qbs-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.qbs-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.qbs-topic-grid{grid-template-columns:1fr}}
@media(max-width:720px){.qbs-layout{grid-template-columns:minmax(0,1fr)}.qbs-students{padding:13px}.qbs-student-list{grid-template-columns:repeat(2,minmax(0,1fr));max-height:260px;overflow-y:auto}.qbs-student{padding:10px}.qbs-student b{font-size:14px}.qbs-students h2{margin-bottom:9px}.qbs-panel{padding:13px;border-radius:14px}.qbs-heading p{font-size:11px}.qbs-section-heading{flex-direction:column;gap:10px}.qbs-answer-grid{grid-template-columns:1fr}.qbs-question{padding:14px 0}.qbs-toolbar .qbs-button{font-size:11px!important}.qbs-metrics article{padding:12px}.qbs-filters{gap:7px}.qbs-assignment-bar .qbs-primary{width:100%}.qbs-table{min-width:540px}.qbs-focus .qbs-heading .qbs-toolbar{display:none}}
@media print{body>*{display:none!important}body .t28-layout,body .t28-main,body [data-view],body #adminView,body .admin-wrap,body #content{display:block!important;background:#fff!important;margin:0!important;padding:0!important;width:100%!important;max-width:none!important}body .t28-layout>*:not(.t28-main),body .t28-main>*:not([data-view]),body [data-view]>*:not([data-qbs-root]),body #adminView>*:not(#content),body #content>*:not([data-qbs-root]){display:none!important}[data-qbs-root]{display:block!important;font-size:11px}.qbs-layout{display:block}.qbs-students,.qbs-filters,.qbs-metrics,.qbs-summary-note,.qbs-analysis,.qbs-history,.qbs-session,.qbs-heading .qbs-toolbar,.qbs-section-heading .qbs-toolbar,.qbs-assignment-bar,.qbs-check,.qbs-pages,dialog{display:none!important}.qbs-panel{border:0;padding:0}.qbs-question-prompt,.qbs-answer-grid section{background:#fff}.qb-rich-content{font-size:11px!important}.qbs-question{break-inside:avoid}.qbs-table-scroll{overflow:visible}}