@import url("https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Lexend:wght@300;400;500;600;700&family=Atkinson+Hyperlegible:wght@400;700&display=swap");:root{--nl-font-display:"Fredoka",system-ui,sans-serif;--nl-font-body:"Lexend",system-ui,sans-serif;--nl-leading:1.5;--nl-tracking:0em;--nl-tscale:1;--nl-text-xs:0.75rem;--nl-text-sm:0.8125rem;--nl-text-md:0.9375rem;--nl-text-lg:1.0625rem;--nl-text-xl:1.375rem;--nl-display-sm:1.5rem;--nl-display-md:2rem;--nl-display-lg:3rem;--nl-bg:oklch(0.975 0.012 240);--nl-surface:#fff;--nl-surface-2:oklch(0.968 0.012 245);--nl-ink:oklch(0.32 0.035 260);--nl-ink-soft:oklch(0.52 0.03 258);--nl-line:oklch(0.905 0.014 250);--nl-border-width:1px;--nl-brand:oklch(0.50 0.12 264);--nl-brand-deep:oklch(0.29 0.08 266);--nl-brand-2:oklch(0.66 0.11 232);--nl-star:oklch(0.85 0.135 88);--nl-star-deep:oklch(0.74 0.14 72);--nl-maths:oklch(0.60 0.115 200);--nl-maths-soft:oklch(0.955 0.03 200);--nl-english:oklch(0.55 0.13 295);--nl-english-soft:oklch(0.955 0.035 295);--nl-history:oklch(0.60 0.115 60);--nl-history-soft:oklch(0.955 0.038 70);--nl-science:oklch(0.58 0.12 156);--nl-science-soft:oklch(0.955 0.035 156);--nl-geography:oklch(0.55 0.12 245);--nl-geography-soft:oklch(0.955 0.03 245);--nl-good:oklch(0.60 0.13 155);--nl-warn:oklch(0.70 0.13 60);--nl-r-sm:10px;--nl-r:16px;--nl-r-lg:22px;--nl-r-xl:30px;--nl-r-pill:999px;--nl-space-1:4px;--nl-space-2:8px;--nl-space-3:12px;--nl-space-4:16px;--nl-space-5:24px;--nl-space-6:32px;--nl-space-7:48px;--nl-shadow-sm:0 1px 2px oklch(0.5 0.05 260/.08);--nl-shadow:0 8px 24px oklch(0.5 0.06 260/.10);--nl-shadow-lg:0 22px 56px oklch(0.45 0.08 264/.18);--nl-motion:running;--nl-reading-bg:transparent;--nl-aloud-display:none;--nl-hit:44px}*,:after,:before{box-sizing:border-box}body{font-family:var(--nl-font-body);font-size:calc(1rem * var(--nl-tscale));line-height:var(--nl-leading);letter-spacing:var(--nl-tracking);-webkit-font-smoothing:antialiased}.nl-display,h1,h2,h3{font-family:var(--nl-font-display);font-weight:600;line-height:1.1}.nl-read{background:var(--nl-reading-bg);border-radius:6px}@keyframes nl-twinkle{0%,to{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}@keyframes nl-float{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}@keyframes nl-pop{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.nl-animated{animation-play-state:var(--nl-motion)}.nl-btn{font-family:var(--nl-font-body);font-weight:600;font-size:var(--nl-text-md);min-height:var(--nl-hit);padding:11px 22px;border-radius:var(--nl-r-pill);border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s ease,filter .12s ease}.nl-btn:active{transform:translateY(1px)}.nl-btn--primary{background:var(--nl-brand);color:#fff;box-shadow:var(--nl-shadow-sm)}.nl-btn--secondary{background:var(--nl-surface);color:var(--nl-brand);border:2px solid var(--nl-brand)}.nl-btn--star{background:var(--nl-star);color:var(--nl-brand-deep);font-family:var(--nl-font-display)}.nl-btn--subject{background:var(--nl-c,var(--nl-brand));color:#fff}.nl-card{background:var(--nl-surface);border:var(--nl-border-width) solid var(--nl-line);border-radius:var(--nl-r-lg);box-shadow:var(--nl-shadow-sm);padding:var(--nl-space-5)}.nl-card--raised{box-shadow:var(--nl-shadow)}.nl-card--hero{color:#fff;border:none;background:radial-gradient(120% 160% at 88% -30%,oklch(.52 .12 262),oklch(.3 .09 266) 55%,oklch(.21 .07 268))}.nl-chip{display:inline-flex;align-items:center;gap:6px;font-size:var(--nl-text-sm);font-weight:600;padding:6px 13px;background:var(--nl-c-soft,var(--nl-surface-2));color:var(--nl-c,var(--nl-ink))}.nl-chip,.nl-progress{border-radius:var(--nl-r-pill)}.nl-progress{height:12px;background:var(--nl-surface-2);border:1px solid var(--nl-line);overflow:hidden}.nl-progress>i{display:block;height:100%;border-radius:var(--nl-r-pill);background:var(--nl-c,var(--nl-brand))}.nl-star-shape{-webkit-clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);background:linear-gradient(160deg,var(--nl-star),var(--nl-star-deep));aspect-ratio:1}.nl-img-placeholder{background:repeating-linear-gradient(45deg,color-mix(in oklch,var(--nl-c,var(--nl-brand)) 16%,var(--nl-surface)) 0 9px,transparent 9px 18px),var(--nl-c-soft,var(--nl-surface-2));display:flex;align-items:flex-end;padding:6px;font:500 10px/1 ui-monospace,monospace;color:var(--nl-c,var(--nl-ink-soft))}.nl-listen{display:var(--nl-aloud-display);align-items:center;gap:6px;background:var(--nl-brand);color:#fff;border-radius:var(--nl-r-pill);padding:5px 12px;font-size:var(--nl-text-xs);font-weight:700}[data-bigtext=on]{--nl-tscale:1.14}[data-easyfont=on]{--nl-font-body:"Atkinson Hyperlegible","Lexend",system-ui,sans-serif;--nl-leading:1.72;--nl-tracking:0.012em}[data-contrast=on]{--nl-bg:#fff;--nl-surface:#fff;--nl-surface-2:#f2f2f2;--nl-ink:#000;--nl-ink-soft:#1a1a1a;--nl-line:#000;--nl-border-width:2px;--nl-brand:#1b2a63;--nl-brand-deep:#10183a;--nl-brand-2:#0a4f86;--nl-maths:#0a626b;--nl-english:#582a86;--nl-history:#7d4f0e;--nl-science:#136138;--nl-geography:#1f4a92;--nl-maths-soft:#eef6f7;--nl-english-soft:#f4eefb;--nl-history-soft:#f9f2e6;--nl-good:#136138;--nl-warn:#7d4f0e;--nl-star:#caa015;--nl-star-deep:#9c7a0a;--nl-shadow-sm:none;--nl-shadow:none;--nl-shadow-lg:none}[data-calm=on]{--nl-motion:paused;--nl-leading:1.62;--nl-brand:oklch(0.50 0.045 264);--nl-brand-deep:oklch(0.33 0.04 266);--nl-brand-2:oklch(0.62 0.045 232);--nl-star:oklch(0.82 0.05 88);--nl-star-deep:oklch(0.72 0.05 72);--nl-maths:oklch(0.58 0.045 200);--nl-english:oklch(0.55 0.045 295);--nl-history:oklch(0.60 0.045 60);--nl-science:oklch(0.57 0.045 156);--nl-geography:oklch(0.55 0.045 245)}@media (prefers-reduced-motion:reduce){:root{--nl-motion:paused}}[data-ruler=on]{--nl-reading-bg:oklch(0.92 0.06 92/.7)}[data-aloud=on]{--nl-aloud-display:inline-flex}[data-stage=ks1]{--nl-tscale:1.08;--nl-r:20px;--nl-r-lg:26px;--nl-hit:52px}[data-stage=ks2]{--nl-tscale:1;--nl-r:14px;--nl-r-lg:20px;--nl-hit:44px}body,html{min-height:100%}body{margin:0;background:var(--nl-bg);color:var(--nl-ink)}*{box-sizing:border-box}