.nn-lesson-page{--l2-radius:16px;--l2-radius-lg:20px;--l2-pad:clamp(1.25rem,2vw,1.75rem);--l2-gap:clamp(1.25rem,2vw,1.5rem);--l2-shadow-soft:0 8px 24px rgba(31,41,55,0.06);--l2-fill-pink:#fdeaf2;--l2-fill-blue:#eaf7fc;--l2-fill-teal:#e8f8f5;--l2-fill-yellow:#fff7dc;--l2-fill-peach:#fff0e5;--l2-fill-lavender:#f1ecff;--l2-border-pink:#e75486;--l2-border-blue:#4ba3c7;--l2-border-teal:#52bfaf;--l2-border-yellow:#e5b834;--l2-border-peach:#f2a65a;--l2-border-lavender:#9b7ae5;--l2-pill-yellow-fill:var(--l2-fill-yellow);--l2-pill-yellow-border:var(--l2-border-yellow);--l2-pill-yellow-text:#7a5b00;--l2-pill-blue-fill:var(--l2-fill-blue);--l2-pill-blue-border:var(--l2-border-blue);--l2-pill-blue-text:#1a5a72;--l2-pill-pink-fill:var(--l2-fill-pink);--l2-pill-pink-border:var(--l2-border-pink);--l2-pill-pink-text:#9b1b4c}:where(.nn-lesson-page) :is(.nn-lesson-section-card,.nn-l2-card){min-width:0;overflow-wrap:break-word;word-break:normal}:where(.nn-lesson-page) :is(.nn-lesson-section-card,.nn-l2-card) :is(p,li,td,th,h1,h2,h3,h4,h5,dt,dd,span){min-width:0;overflow-wrap:break-word}:where(.nn-lesson-page) :is(.nn-l2-grid,.nn-lesson-article-grid)>*{min-width:0}@media (max-width:680px){:where(.nn-lesson-page) .nn-l2-grid{grid-template-columns:1fr}}:where(.nn-lesson-page) .nn-lesson-section-card{--lsc-surface:color-mix(in srgb,var(--lsc-soft) 55%,var(--bg-card,var(--theme-card-bg)) 45%)}:where(.nn-lesson-page) :is(.nn-l2-table,.nn-lesson-section-card table){width:100%;max-width:100%}:where(.nn-lesson-page) :is(.nn-l2-table,.nn-lesson-section-card table) :is(td,th){overflow-wrap:break-word;word-break:normal}.nn-l2{display:grid;gap:clamp(1.25rem,2.5vw,2rem)}.nn-l2-block,.nn-l2-card{--l2-accent:var(--lsc-accent,var(--semantic-brand));--l2-soft:var(--lsc-soft,color-mix(in srgb,var(--semantic-brand) 12%,var(--semantic-surface)));--l2-contrast:var(--lsc-contrast,var(--semantic-text-primary));--l2-card-bg:var(--bg-card,var(--theme-card-bg,var(--semantic-surface)))}.nn-l2-card{position:relative;border-radius:20px;border:1px solid color-mix(in srgb,var(--l2-accent) 22%,var(--semantic-border-soft));background:color-mix(in srgb,var(--l2-soft) 34%,var(--l2-card-bg) 66%);padding:clamp(1.1rem,2vw,1.5rem);box-shadow:0 1px 2px color-mix(in srgb,var(--semantic-text-primary) 6%,transparent),0 10px 28px -18px color-mix(in srgb,var(--semantic-text-primary) 24%,transparent)}.nn-l2-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;border-radius:20px 0 0 20px;background:var(--l2-accent);opacity:.9}.nn-l2-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.nn-l2-ico{width:32px;height:32px;border-radius:9px;flex:none;display:grid;place-items:center;color:#fff;background:var(--l2-accent)}.nn-l2-ico svg{width:17px;height:17px}.nn-l2-title{font-size:clamp(1rem,1.1vw,1.18rem);font-weight:800;color:var(--semantic-text-primary);margin:0;letter-spacing:-.01em}.nn-l2-banner{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:.7rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:var(--l2-accent)}.nn-l2-body{color:var(--semantic-text-secondary);font-size:.95rem;line-height:1.6}.nn-l2-body b,.nn-l2-body strong{color:var(--semantic-text-primary)}.nn-l2-bullets{margin:0;padding-left:1.1rem;display:grid;gap:7px}.nn-l2-section-title{display:flex;align-items:center;gap:10px;font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:800;color:var(--semantic-text-primary);margin:6px 0 2px;letter-spacing:-.02em}.nn-l2-section-title .nn-l2-bar{width:28px;height:4px;border-radius:3px;flex:none;background:var(--semantic-brand)}.nn-lesson-section-hero{position:relative}.nn-lesson-section-hero__icon{display:inline-flex;width:2.25rem;height:2.25rem;flex:0 0 auto;align-items:center;justify-content:center;border-radius:.75rem;color:var(--lsc-contrast,var(--l2-contrast,var(--semantic-text-primary)));background:color-mix(in srgb,var(--lsc-color,var(--l2-accent,var(--semantic-brand))) 16%,var(--bg-card,var(--theme-card-bg,#fff)));border:1px solid color-mix(in srgb,var(--lsc-color,var(--l2-accent,var(--semantic-brand))) 26%,var(--semantic-border-soft));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--lsc-color,var(--l2-accent,var(--semantic-brand))) 8%,transparent)}.nn-lesson-section-hero__icon>svg{width:1.125rem;height:1.125rem}.nn-lesson-section-heading{margin:0;font-size:clamp(1.125rem,.55vw + 1rem,1.35rem);font-weight:600;letter-spacing:-.02em;line-height:1.32}.nn-lesson-page-header{padding-block:clamp(1.35rem,2.6vw,2rem) clamp(1rem,2vw,1.4rem);padding-inline:clamp(1.5rem,4vw,2.75rem)}.nn-l2-grid{display:grid;gap:clamp(1rem,2vw,1.5rem);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:stretch}.nn-l2-grid>*{height:100%}.nn-l2-q{font-weight:700;color:var(--semantic-text-primary);margin:0 0 12px}.nn-l2-opts{display:grid;gap:9px}.nn-l2-opt{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:14px;border:1px solid color-mix(in srgb,var(--l2-accent) 22%,var(--semantic-border-soft));background:color-mix(in srgb,var(--l2-card-bg) 78%,transparent);font-size:.92rem;color:var(--semantic-text-secondary);text-align:left;width:100%;cursor:pointer;font-family:inherit;transition:transform .12s ease,box-shadow .15s ease,border-color .15s ease;min-height:44px}.nn-l2-opt:hover{transform:translateX(3px);box-shadow:0 8px 20px -14px color-mix(in srgb,var(--semantic-text-primary) 40%,transparent)}.nn-l2-opt:focus-visible{outline:2px solid var(--l2-accent);outline-offset:2px}.nn-l2-opt .nn-l2-key{width:24px;height:24px;border-radius:7px;flex:none;display:grid;place-items:center;font-weight:800;font-size:.78rem;color:var(--semantic-text-primary);background:color-mix(in srgb,var(--l2-accent) 18%,var(--l2-card-bg));border:1px solid color-mix(in srgb,var(--l2-accent) 30%,var(--semantic-border-soft))}.nn-l2-opt[data-state=correct]{background:color-mix(in srgb,var(--lesson-interventions-accent,#16a34a) 14%,var(--l2-card-bg));border-color:var(--lesson-interventions-accent,#16a34a);color:var(--semantic-text-primary)}.nn-l2-opt[data-state=correct] .nn-l2-key{background:var(--lesson-interventions-accent,#16a34a);color:#fff;border-color:var(--lesson-interventions-accent,#16a34a)}.nn-l2-opt[data-state=wrong]{background:color-mix(in srgb,var(--lesson-red-flags-accent,#e11d48) 12%,var(--l2-card-bg));border-color:var(--lesson-red-flags-accent,#e11d48)}.nn-l2-reveal{margin-top:12px;padding:12px 14px;border-radius:12px;background:color-mix(in srgb,var(--l2-card-bg) 70%,transparent);border-left:3px solid var(--l2-accent);font-size:.9rem;color:var(--semantic-text-secondary)}.nn-l2-table-wrap{--l2-table-accent:var(--l2-accent,var(--lsc-accent,var(--lsc-color,var(--semantic-brand))));--l2-table-surface:var(--l2-card-bg,var(--bg-card,var(--theme-card-bg,var(--semantic-surface))));--l2-table-border:color-mix(in srgb,var(--l2-table-accent) 16%,var(--semantic-border-soft));--l2-table-zebra:color-mix(in srgb,var(--l2-table-accent) 6%,transparent);--l2-table-hover:color-mix(in srgb,var(--l2-table-accent) 12%,transparent);width:100%;max-width:100%;margin:.25rem 0;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px;border:1px solid color-mix(in srgb,var(--l2-table-accent) 22%,var(--semantic-border-soft));box-shadow:0 1px 0 color-mix(in srgb,var(--semantic-border-soft) 70%,transparent)}.nn-l2-table-wrap:focus-visible{outline:2px solid var(--l2-table-accent);outline-offset:2px}.nn-l2-table{width:100%;border-collapse:collapse;font-size:.9rem;line-height:1.5;background:var(--l2-table-surface)}.nn-l2-table td,.nn-l2-table th{padding:.6rem .85rem;border-bottom:1px solid color-mix(in srgb,var(--l2-table-border) 70%,transparent);border-right:1px solid color-mix(in srgb,var(--l2-table-border) 45%,transparent);text-align:left;vertical-align:top}.nn-l2-table td:last-child,.nn-l2-table th:last-child{border-right:0}.nn-l2-table tbody tr:last-child>*{border-bottom:0}.nn-l2-table thead th{position:sticky;top:0;z-index:3;background:color-mix(in srgb,var(--l2-table-accent) 15%,var(--l2-table-surface));color:var(--semantic-text-primary);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;border-bottom:1px solid color-mix(in srgb,var(--l2-table-accent) 28%,var(--semantic-border-soft))}.nn-l2-table tbody td{color:var(--semantic-text-secondary)}.nn-l2-table tbody b,.nn-l2-table tbody strong,.nn-l2-table tbody th[scope=row]{color:var(--semantic-text-primary)}.nn-l2-table tbody th[scope=row]{background:color-mix(in srgb,var(--l2-table-accent) 10%,var(--l2-table-surface));font-weight:700}.nn-l2-table tbody tr:nth-child(2n) td{background:var(--l2-table-zebra)}.nn-l2-table tbody tr:nth-child(2n) th[scope=row]{background:color-mix(in srgb,var(--l2-table-accent) 15%,var(--l2-table-surface))}@media (hover:hover){.nn-l2-table tbody tr:hover td{background:var(--l2-table-hover)}.nn-l2-table tbody tr:hover th[scope=row]{background:color-mix(in srgb,var(--l2-table-accent) 20%,var(--l2-table-surface))}.nn-l2-table tbody tr:hover>td:first-child{background:color-mix(in srgb,var(--l2-table-accent) 14%,var(--l2-table-surface))}}.nn-l2-table-caption{caption-side:top;text-align:left;padding:0 .1rem .55rem;font-size:.8rem;font-weight:700;letter-spacing:-.01em;color:var(--semantic-text-secondary)}.nn-l2-table td,.nn-l2-table th{overflow-wrap:break-word;word-break:normal}.nn-l2-table td p{margin:0 0 .4rem}.nn-l2-table td p:last-child{margin-bottom:0}.nn-l2-table td ol,.nn-l2-table td ul{margin:.15rem 0 0;padding-left:1.1rem;display:grid;gap:3px}.nn-l2-table td img,.nn-l2-table th img{max-width:100%;height:auto;vertical-align:middle}.nn-l2-table tbody td,.nn-l2-table tbody th{height:2.5rem}.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table thead th:first-child{position:sticky;left:0;z-index:4}.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table tbody tr>:first-child{position:sticky;left:0;z-index:2}.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table tbody td:first-child{background:var(--l2-table-surface)}.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table tbody tr:nth-child(2n) td:first-child{background:color-mix(in srgb,var(--l2-table-accent) 6%,var(--l2-table-surface))}.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table tbody tr>:first-child,.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table thead th:first-child{border-right:1px solid color-mix(in srgb,var(--l2-table-accent) 26%,var(--semantic-border-soft))}@media print{.nn-l2-table-wrap{overflow:visible;border:0;box-shadow:none}.nn-l2-table{-webkit-print-color-adjust:exact;print-color-adjust:exact}.nn-l2-table thead{display:table-header-group}.nn-l2-table tr{break-inside:avoid;page-break-inside:avoid}.nn-l2-table thead th,.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table tbody tr>:first-child,.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table thead th:first-child{position:static}}@media (max-width:640px){.nn-l2-table-wrap{overflow:visible;border:0;box-shadow:none;border-radius:0}.nn-l2-table-wrap:focus-visible{outline:none}.nn-l2-table{display:block;width:100%;min-width:0;background:transparent;font-size:.9rem}.nn-l2-table thead{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}.nn-l2-table tbody{display:block}.nn-l2-table tbody tr{display:block;margin:0 0 .7rem;padding:.2rem .7rem .4rem;border:1px solid color-mix(in srgb,var(--l2-table-accent) 22%,var(--semantic-border-soft));border-radius:12px;background:var(--l2-table-surface);overflow:hidden}.nn-l2-table tbody tr:nth-child(2n){background:color-mix(in srgb,var(--l2-table-accent) 6%,var(--l2-table-surface))}.nn-l2-table tbody td,.nn-l2-table tbody th,.nn-l2-table-wrap[data-sticky-col=true] .nn-l2-table tbody tr>:first-child{position:static;display:block;width:auto;height:auto;border:0;background:transparent;text-align:left!important;padding:.4rem .1rem}.nn-l2-table tbody th[scope=row]{font-size:.95rem;font-weight:800;color:var(--semantic-text-primary);padding:.35rem .1rem;margin-bottom:.2rem;border-bottom:1px solid color-mix(in srgb,var(--l2-table-accent) 20%,var(--semantic-border-soft))}.nn-l2-table tbody td{border-bottom:1px solid color-mix(in srgb,var(--semantic-border-soft) 55%,transparent)}.nn-l2-table tbody tr td:last-child{border-bottom:0}.nn-l2-table tbody td[data-label]:before{content:attr(data-label);display:block;margin-bottom:2px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--semantic-text-secondary)}.nn-l2-table .nn-l2-pick{display:flex;align-items:center;gap:.6rem;text-align:left!important}.nn-l2-table .nn-l2-pick[data-label]:before{margin-bottom:0}.nn-l2-table-caption{padding-bottom:.4rem}}.nn-l2-pick{text-align:center}.nn-l2-chip{display:inline-block;width:18px;height:18px;border-radius:6px;border:1.5px solid color-mix(in srgb,var(--l2-accent) 45%,var(--semantic-border-soft));background:var(--l2-card-bg);vertical-align:middle}.nn-l2-chip[data-on=true]{background:var(--l2-accent);border-color:var(--l2-accent)}.nn-l2-steps{display:flex;flex-wrap:wrap;gap:10px}.nn-l2-step{flex:1 1 140px;text-align:center;padding:14px 10px;border-radius:14px;background:color-mix(in srgb,var(--l2-soft) 30%,var(--l2-card-bg) 70%);border:1px dashed color-mix(in srgb,var(--l2-accent) 40%,var(--semantic-border-soft))}.nn-l2-step .nn-l2-step-n{width:26px;height:26px;border-radius:50%;margin:0 auto 8px;display:grid;place-items:center;font-weight:800;font-size:.8rem;color:#fff;background:var(--l2-accent)}.nn-l2-step .nn-l2-step-t{font-size:.85rem;color:var(--semantic-text-secondary);line-height:1.4}.nn-l2-meds{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.nn-l2-med{border-radius:14px;border:1px solid color-mix(in srgb,var(--l2-accent) 20%,var(--semantic-border-soft));background:color-mix(in srgb,var(--l2-card-bg) 80%,transparent);padding:12px 14px}.nn-l2-med-name{font-weight:800;color:var(--semantic-text-primary);font-size:.95rem}.nn-l2-med-class{font-size:.78rem;color:var(--l2-accent);font-weight:700;margin-top:1px}.nn-l2-med-row{font-size:.84rem;color:var(--semantic-text-secondary);margin-top:6px;line-height:1.45}.nn-l2-med-row .nn-l2-med-label{font-weight:700;color:var(--semantic-text-primary)}.nn-l2-split{display:grid;grid-template-columns:1.1fr 1fr;gap:0;overflow:hidden;padding:0}.nn-l2-split-text{padding:clamp(1.1rem,2vw,1.5rem);min-width:0}.nn-l2-imgwrap{position:relative;background:color-mix(in srgb,var(--l2-accent) 8%,var(--l2-card-bg));display:grid;place-items:center;min-height:220px}.nn-l2-imgwrap img{width:100%;height:100%;object-fit:contain;display:block}.nn-l2-annot{position:absolute;transform:translate(-50%,-50%);display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;color:var(--semantic-text-primary);background:color-mix(in srgb,var(--l2-card-bg) 90%,transparent);border:1px solid color-mix(in srgb,var(--l2-accent) 45%,var(--semantic-border-soft));border-radius:999px;padding:4px 9px;white-space:nowrap;pointer-events:none}.nn-l2-annot .nn-l2-dot{width:8px;height:8px;border-radius:50%;background:var(--l2-accent);flex:none}.nn-l2-cap{padding:10px 14px;font-size:.85rem;color:var(--semantic-text-muted,var(--semantic-text-secondary))}.nn-l2-case-scenario{font-size:.92rem;line-height:1.6;color:var(--semantic-text-secondary);white-space:pre-line}.nn-l2-case-prompt{margin-top:12px;font-weight:700;color:var(--semantic-text-primary)}@media (max-width:720px){.nn-l2-split{grid-template-columns:1fr}.nn-l2-step{flex:1 1 100%}}