.mx{max-width:1100px;color:var(--foreground);margin:auto;padding:24px;font-size:1rem}.mx-header,.mx-heading,.mx-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.mx-header a{align-items:center;gap:8px;display:flex}.mx-header span,.mx-eyebrow{letter-spacing:.08em;font-size:.875rem;font-weight:700}.mx-heading{margin:36px 0 24px}.mx h1{margin:8px 0 14px;font-size:clamp(2.2rem,6vw,3.5rem);line-height:1.1}.mx h2{margin:0 0 8px;font-size:1.5rem}.mx h2[tabindex="-1"]:focus-visible{outline:2px solid var(--primary);outline-offset:4px}.mx h3{margin:0 0 8px;font-size:1.2rem}.mx p{overflow-wrap:anywhere;line-height:1.6}.mx-local{border-left:4px solid var(--primary);background:var(--secondary);margin-bottom:20px;padding:12px 16px;font-size:.875rem;display:block}.mx-focus{border:1px solid var(--border);background:var(--secondary);border-radius:12px;margin:20px 0;padding:20px}.mx-focus h2{margin:6px 0 8px}.mx-lesson{border:1px solid var(--border);border-radius:12px;margin:16px 0;padding:20px}.mx-prompt{margin:14px 0;font-size:1.1rem;font-weight:600}.mx-choices{border:0;gap:10px;margin:0 0 18px;padding:0;display:grid}.mx-choice{border:1px solid var(--border);cursor:pointer;border-radius:10px;align-items:flex-start;gap:12px;min-height:44px;padding:11px 14px;line-height:1.5;display:flex}.mx-choice:hover{background:var(--secondary)}.mx-choice:focus-within{outline:2px solid var(--primary);outline-offset:2px}.mx-choice input{flex:none;width:18px;height:18px;margin-top:3px}.mx-letter{flex:none;width:1.2em;font-weight:700}.mx-text{overflow-wrap:anywhere}.mx-choice.is-answer{border-color:var(--primary);background:var(--secondary)}.mx-choice.is-missed{border-color:var(--destructive,var(--border));border-width:2px}.mx-choice.is-picked{border-color:var(--primary);background:var(--secondary);border-width:2px}@media (forced-colors:active){.mx-choice.is-answer{border:3px solid highlight}.mx-choice.is-missed{border:2px dashed canvastext}.mx-choice.is-picked{border:2px solid highlight}}.mx-verdict{border:1px solid var(--border);border-left-width:4px;border-radius:10px;margin-top:8px;padding:18px}.mx-verdict:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.mx-verdict.is-right{border-left-color:var(--primary)}.mx-verdict h3{align-items:center;gap:8px;display:flex}.mx-why{font-weight:600}.mx-worked{overflow-wrap:anywhere;gap:6px;margin:12px 0;padding-left:22px;line-height:1.6;display:grid}.mx-actions{justify-content:flex-start;margin-top:14px}.mx-actions button{align-items:center;gap:8px;min-height:44px;display:inline-flex}.mx-note{opacity:.8;font-size:.875rem}.mx-stat strong{font-size:1.8rem}.mx-families{gap:8px;padding-left:20px;line-height:1.6;display:grid}.mx-footer{border-top:1px solid var(--border);margin-top:48px;padding-top:20px;font-size:.875rem}.mx-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.mx-units{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:12px;margin:16px 0;padding:0;list-style:none;display:grid}.mx-unit{border:1px solid var(--border);border-radius:12px;padding:16px}.mx-unit .mx-actions{margin-top:8px}.mx-crumbs{flex-wrap:wrap;gap:8px 20px;margin-bottom:8px;display:flex}.mx-unit-progress{gap:10px;padding:0;list-style:none;display:grid}.mx-unit-progress summary{cursor:pointer;line-height:1.6}.mx-unit-progress .mx-families{margin-top:8px}.mx-example-choices{gap:6px;margin:0 0 12px;padding:0;list-style:none;display:grid}.mx-example-choices .mx-letter{margin-right:6px}.mx .navigation button{flex:none;height:auto}@media (max-width:480px){.mx{padding:16px}.mx-heading svg{display:none}.mx-actions button{justify-content:center;width:100%}}.mx-rehearsal>*+*{margin-top:16px}.mx-rehearsal h3{margin-top:28px}.mx-paper-bar{z-index:2;border:1px solid var(--border);background:var(--background);border-radius:8px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:0 0 8px;padding:12px 16px;display:flex;position:sticky;top:0}.mx-paper-bar h2{margin:0;font-size:1.1rem}.mx-paper-bar h2:focus-visible{outline:2px solid var(--primary);outline-offset:4px}.mx-clock{font-variant-numeric:tabular-nums;align-items:center;gap:8px;margin:0;font-size:1.25rem;font-weight:700;display:flex}.mx-clock.is-low{color:var(--destructive)}.mx-answered{margin:0;font-size:.875rem}.mx-problem{border-left:4px solid var(--destructive);background:var(--secondary);align-items:center;gap:8px;padding:12px 16px;font-size:.9375rem;display:flex}.mx-grid{grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;margin:16px 0 0;padding:0;list-style:none;display:grid}.mx-cell{font-variant-numeric:tabular-nums;background:var(--background);width:100%;min-height:44px;color:var(--foreground);border:1px solid var(--border);padding:0}.mx-cell.is-done{background:var(--secondary);font-weight:700}.mx-cell.is-here{outline:2px solid var(--primary);outline-offset:1px;font-weight:700}.mx-handin{justify-content:center;width:100%;margin-top:20px}.mx-papers{gap:12px;padding:0;list-style:none;display:grid}.mx-papers li{border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.mx-next ul,.mx-review{gap:12px;padding:0;list-style:none;display:grid}.mx-next li{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.mx-review{counter-reset:none;margin-top:12px}.mx-item{border:1px solid var(--border);border-left-width:4px;border-radius:8px;padding:16px}.mx-item.is-correct{border-left-color:var(--primary)}.mx-item.is-wrong{border-left-color:var(--destructive)}.mx-item.is-skipped{border-left-color:var(--muted-foreground,var(--border));border-left-style:dashed}.mx-gaps{font-size:.875rem}.mx-gaps ul{margin:8px 0 0;padding-left:20px;line-height:1.6}@media (max-width:480px){.mx-paper-bar{justify-content:flex-start}.mx-paper-bar h2{flex-basis:100%}.mx-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.mx-papers li,.mx-next li{justify-content:flex-start}}