.worked-example{background:var(--panel);border:1px solid var(--line);border-inline-start:5px solid var(--accent);border-radius:12px;padding:24px;margin:26px 0}.worked-steps{padding-inline-start:28px;margin:18px 0}.worked-steps li{padding-inline-start:8px;margin:15px 0}.worked-steps li::marker{font-weight:bold;color:var(--muted)}.calculation{font-family:Consolas,'Courier New',monospace;font-size:1rem;background:var(--soft);border:1px solid var(--line);color:var(--ink);padding:12px 16px;border-radius:8px;overflow-x:auto;text-align:left;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere;unicode-bidi:isolate}.worked-result{background:var(--soft);padding:17px;border-radius:8px}.worked-check{border-top:1px solid var(--line);padding-top:15px;color:var(--muted)}.lesson-recap{border:1px solid var(--line);background:var(--panel);padding:24px;border-radius:12px;margin:25px 0}.common-mistake{padding:17px;background:var(--soft);border-inline-start:3px solid var(--accent);margin:17px 0}.curriculum-table{width:100%;overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:10px}.curriculum-table table{border-collapse:collapse;width:100%;min-width:480px;background:var(--panel);font-size:1rem}.curriculum-table th,.curriculum-table td{padding:13px 16px;text-align:right;vertical-align:top;border-bottom:1px solid var(--line)}.curriculum-table thead{background:var(--soft)}.curriculum-table tbody th{font-weight:bold;min-width:110px}.curriculum-table tbody tr:last-child>*{border-bottom:0}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.summary-card{background:var(--panel);padding:25px;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:12px}.summary-card ul{padding-inline-start:23px;color:var(--muted)}.summary-card:hover{border-color:var(--accent)}.summary-sheet{max-width:950px;background:var(--panel);padding:30px;border:1px solid var(--line);border-radius:14px;margin:20px auto}.summary-sheet h2{margin-top:25px}.summary-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.formula-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.formula-list section{min-width:0}.summary-checklist{padding-inline-start:25px}.summary-checklist li{padding:5px 0}.summary-lesson-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}.summary-lesson-links a{display:block;background:var(--soft);border:1px solid var(--line);padding:12px;border-radius:8px}.quiz-level{display:inline-block;font-size:.875rem;font-weight:bold;color:var(--muted);margin-inline-start:10px}.quiz-feedback a{display:inline-block;font-weight:bold;text-decoration:underline;margin-top:10px}.review-availability{margin:12px 0;color:var(--muted)}.filters{flex-wrap:wrap}.quiz-summary #save-attempt{margin:12px;white-space:normal}.section-head .summary-actions{margin:0}.summary-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--panel);padding:22px;border:1px solid var(--line);border-radius:12px;margin:22px 0}bdi{unicode-bidi:isolate}
@media(max-width:850px){.summary-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.summary-grid,.formula-list,.summary-lesson-links{grid-template-columns:1fr}.summary-sheet,.worked-example,.lesson-recap{padding:18px}.summary-strip{align-items:start;flex-direction:column}.filters select{width:100%}.calculation{padding:10px;font-size:.95rem}}
@media print{.study-tabs,.summary-actions,.summary-strip,#save-attempt{display:none!important}.summary-sheet{border:0;max-width:none;padding:0}.curriculum-table{overflow:visible}.curriculum-table table{min-width:0}.worked-example,.lesson-recap{break-inside:auto}.worked-steps li,.formula-list section,.curriculum-table tr{break-inside:avoid}.calculation{white-space:pre-wrap;overflow:visible}.summary-sheet,.worked-example,.lesson-recap,.calculation{color:#000!important;background:#fff!important}}