.klb-practice,.klb-callout,.klb-pie{color:var(--kva-ink);font-family:var(--kva-sans);overflow-wrap:anywhere}.klb-practice{margin-block:28px;padding:clamp(16px,4vw,24px);border:1px solid var(--kva-line-2);border-radius:12px;background:var(--kva-paper-2)}.klb-practice-header{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;margin-bottom:20px}.klb-practice-header h3{font:600 1rem/1.45 var(--kva-sans);margin:0;color:var(--kva-ink)}.klb-practice-header>span,.klb-muted{font-size:.8125rem;color:var(--kva-ink-2)}.klb-question{font:600 1.05rem/1.6 var(--kva-sans);margin:0 0 16px;color:var(--kva-ink)}.klb-options{display:grid;gap:10px}.klb-options button{display:flex;align-items:baseline;gap:12px;text-align:start;min-height:48px;padding:12px 14px;border:1px solid var(--kva-line-2);border-radius:8px;background:var(--kva-paper);color:var(--kva-ink);font:400 .9375rem/1.55 var(--kva-sans);cursor:pointer;overflow-wrap:anywhere}.klb-options button>span:first-child{flex:0 0 1.25em;font-weight:700}.klb-options button>span:last-child{min-width:0}.klb-options button:disabled{cursor:default;opacity:1}.klb-options button[data-state=right]{border-color:#26805a;background:#26805a1a}.klb-options button[data-state=wrong]{border-color:#be4949;background:#be49491a}.klb-options button:hover:not(:disabled){border-color:var(--kva-ink)}.klb-practice button:focus-visible,.klb-question:focus-visible{outline:2px solid var(--kva-ink);outline-offset:4px}.klb-feedback{padding-block:16px;margin-top:12px;border-block:1px solid var(--kva-line-2);font-size:.9375rem;line-height:1.6}.klb-feedback p{margin:8px 0 0}.klb-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;margin-top:16px;padding:10px 16px;border:1px solid var(--kva-ink);border-radius:8px;background:var(--kva-ink);color:var(--kva-paper);font:600 .875rem/1.5 var(--kva-sans);cursor:pointer}.klb-primary:disabled{opacity:.5;cursor:not-allowed}.klb-result p{line-height:1.6}.klb-callout{margin-block:24px;padding:18px 20px;border:1px solid var(--kva-line-2);border-inline-start:4px solid var(--kva-accent);border-radius:8px;background:var(--kva-paper-2);font-size:.95rem;line-height:1.6}.klb-callout[data-kind=warn]{border-inline-start-color:#be4949}.klb-callout-title{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-weight:700;font-size:.875rem;color:var(--kva-ink)}.klb-callout-title svg{flex-shrink:0}.klb-callout p:last-child{margin-bottom:0}.klb-pie{margin-block:24px}.klb-pie figcaption{font-weight:600;margin-bottom:12px;color:var(--kva-ink)}.klb-pie-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:center;padding:20px;border:1px solid var(--kva-line-2);border-radius:12px;background:var(--kva-paper)}.klb-pie-svg{width:100%;max-width:200px;height:auto}.klb-pie-legend{list-style:none;padding:0;margin:0;display:grid;gap:12px;width:100%}.klb-pie-legend li{display:grid;grid-template-columns:12px minmax(0,1fr) auto;gap:10px;align-items:baseline;color:var(--kva-ink);font-size:.875rem;line-height:1.5}.klb-pie-dot{width:12px;height:12px;border-radius:3px}.klb-pie-legend bdi{font-weight:600;font-variant-numeric:tabular-nums}@media(max-width:560px){.klb-pie-grid{grid-template-columns:1fr;justify-items:center}}.lesson-table-wrap:focus-visible{outline:2px solid var(--kva-ink);outline-offset:4px}.lesson-table-wrap td[dir=ltr]{unicode-bidi:isolate;font-variant-numeric:tabular-nums}