.nn-lc{--nn-lc-radius:var(--l3-radius,16px);--nn-lc-tint:color-mix(in srgb,var(--l3-brand) 6%,var(--l3-surface));--nn-lc-tint-strong:color-mix(in srgb,var(--l3-brand) 10%,var(--l3-surface));--nn-lc-border:color-mix(in srgb,var(--l3-brand) 18%,var(--l3-border));--nn-lc-success-tint:color-mix(in srgb,var(--l3-success) 12%,var(--l3-surface));background:var(--l3-surface);border:1px solid var(--l3-border);border-radius:var(--nn-lc-radius);box-shadow:var(--l3-shadow-card,none);color:var(--l3-text);overflow:clip}.nn-lc-collapsed{display:flex;align-items:center;gap:16px;padding:16px 18px;min-height:82px}.nn-lc-mark{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--nn-lc-tint-strong);color:var(--l3-brand)}.nn-lc-mark svg{width:21px;height:21px}.nn-lc-body{flex:1 1 auto;min-width:0}.nn-lc-titlerow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.nn-lc-title{font-size:15px;font-weight:600;margin:0;letter-spacing:-.005em}.nn-lc-optional{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--l3-text-muted);border:1px solid var(--l3-border);border-radius:999px;padding:2px 8px}.nn-lc-sub{font-size:13.5px;color:var(--l3-text-muted);margin:3px 0 0}.nn-lc-actions{flex:none;display:flex;align-items:center;gap:8px}.nn-lc-btn{appearance:none;font:inherit;cursor:pointer;border-radius:999px;font-size:13.5px;font-weight:600;padding:10px 16px;min-height:44px;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,color .15s ease;white-space:nowrap}.nn-lc-btn--primary{background:var(--l3-brand);color:var(--semantic-on-brand,#fff)}.nn-lc-btn--primary:hover{background:var(--l3-brand-strong)}.nn-lc-btn--quiet{background:transparent;color:var(--l3-text-muted)}.nn-lc-btn--quiet:hover{color:var(--l3-text);background:var(--nn-lc-tint)}.nn-lc-btn:focus-visible{outline:2px solid var(--l3-brand);outline-offset:2px}.nn-lc-kebab{flex:none;width:44px;height:44px;border-radius:10px;display:grid;place-items:center;background:transparent;border:1px solid transparent;color:var(--l3-text-muted);cursor:pointer}.nn-lc-kebab:hover{background:var(--nn-lc-tint);color:var(--l3-text)}.nn-lc-kebab:focus-visible{outline:2px solid var(--l3-brand);outline-offset:2px}.nn-lc-menu{list-style:none;margin:0;padding:6px;position:absolute;right:12px;z-index:5;min-width:220px;background:var(--l3-surface);border:1px solid var(--l3-border);border-radius:12px;box-shadow:var(--l3-shadow-card,0 8px 24px rgba(0,0,0,.12))}.nn-lc-menu-wrap{position:relative}.nn-lc-menu button{appearance:none;width:100%;text-align:left;font:inherit;font-size:13.5px;color:var(--l3-text);background:transparent;border:none;border-radius:8px;padding:10px 12px;cursor:pointer}.nn-lc-menu button:hover{background:var(--nn-lc-tint)}.nn-lc-menu button:focus-visible{outline:2px solid var(--l3-brand);outline-offset:-2px}.nn-lc-exp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px 12px;border-bottom:1px solid color-mix(in srgb,var(--l3-brand) 10%,var(--l3-border))}.nn-lc-phase-tag{font-size:12px;font-weight:600;color:var(--l3-brand)}.nn-lc-dots{display:flex;gap:6px;align-items:center}.nn-lc-dot{width:7px;height:7px;border-radius:50%;background:var(--l3-border)}.nn-lc-dot--on{background:var(--l3-brand)}.nn-lc-dot--done{background:var(--l3-brand-strong)}.nn-lc-q{padding:20px 20px 8px}.nn-lc-q-count{font-size:12.5px;color:var(--l3-text-muted);font-weight:600;margin:0 0 10px}.nn-lc-stem{font-size:17px;line-height:1.5;margin:0 0 18px;max-width:60ch}.nn-lc-recorded{font-size:13px;color:var(--l3-success);font-weight:600;display:inline-flex;gap:7px;align-items:center}.nn-lc-q-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px 20px;flex-wrap:wrap}.nn-lc-baseline-note{font-size:12.5px;color:var(--l3-text-muted)}.nn-lc-rationale{margin:14px 0 4px;padding:14px 16px;border-radius:12px;background:var(--nn-lc-tint);border:1px solid var(--l3-border);font-size:13.5px;color:var(--l3-text-muted);line-height:1.5}.nn-lc-rationale b{color:var(--l3-text)}.nn-lc-jump{color:var(--l3-brand);font-weight:600;text-decoration:none;font-size:13px}.nn-lc-jump:hover{text-decoration:underline}.nn-lc-results{padding:26px 24px 24px;text-align:center}.nn-lc-results h3{font-size:22px;font-weight:600;margin:0 0 4px}.nn-lc-results .nn-lc-results-sub{font-size:14px;color:var(--l3-text-muted);margin:0 0 22px}.nn-lc-gauge{display:flex;align-items:stretch;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}.nn-lc-score{flex:1 1 150px;max-width:220px;border:1px solid var(--l3-border);border-radius:14px;padding:16px;background:var(--l3-surface)}.nn-lc-score .nn-lc-score-lbl{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--l3-text-muted);font-weight:600}.nn-lc-score .nn-lc-score-val{font-size:34px;font-weight:600;margin-top:6px;line-height:1;font-variant-numeric:tabular-nums}.nn-lc-score--after{background:var(--nn-lc-success-tint);border-color:var(--l3-success)}.nn-lc-score--after .nn-lc-score-val{color:var(--l3-success)}.nn-lc-arrow{align-self:center;color:var(--l3-brand);font-size:22px}.nn-lc-delta{display:inline-flex;gap:8px;align-items:center;font-size:14px;font-weight:600;color:var(--l3-success);background:var(--nn-lc-success-tint);border:1px solid var(--l3-success);border-radius:999px;padding:8px 16px}.nn-lc-encourage{font-size:13.5px;color:var(--l3-text-muted);margin:18px auto 0;max-width:46ch}.nn-lc-status-row{display:flex;align-items:center;gap:12px;padding:16px 18px}.nn-lc-spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--l3-border);border-top-color:var(--l3-brand);animation:nn-lc-spin 1s linear infinite}@keyframes nn-lc-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.nn-lc-spinner{animation:none}.nn-lc-btn,.nn-lc-kebab{transition:none}}@media (max-width:560px){.nn-lc-collapsed{flex-wrap:wrap}.nn-lc-actions{width:100%}.nn-lc-actions .nn-lc-btn--primary{flex:1 1 auto;text-align:center}}.nn-lc-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.nn-lesson-v3 .nn-l3-edu-figure-points--count-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (max-width:1024px){.nn-lesson-v3 .nn-l3-edu-figure-points--count-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.nn-lesson-v3 .nn-l3-edu-figure-points--count-4{grid-template-columns:minmax(0,1fr)}}.nn-lesson-v3 .nn-l3-edu-figure-pearl{max-width:1000px;margin:44px auto 0}@media (max-width:640px){.nn-lesson-v3 .nn-l3-edu-figure-pearl{margin-top:36px}}