.rcwa2d-preview[data-astro-cid-jb5t25rj]{display:grid;grid-template-columns:repeat(5,1fr);place-items:center;gap:12px;padding:24px;height:155px;margin-bottom:1.5rem;border-radius:.5rem;background:#091728}.rcwa2d-preview[data-astro-cid-jb5t25rj] span[data-astro-cid-jb5t25rj]{width:23px;height:20px;background:#7fdbca77;box-shadow:5px -5px #c792ea77}.rcwa-preview[data-astro-cid-jb5t25rj]{display:grid;place-items:center;gap:12px;padding:16px;margin-bottom:1.5rem;border-radius:.5rem;background:#091728;color:#7fdbca;font:1.6rem var(--font-mono)}.rcwa-preview[data-astro-cid-jb5t25rj] div[data-astro-cid-jb5t25rj]{width:min(100%,420px);height:36px;background:repeating-linear-gradient(90deg,#82aaff66 0 30px,transparent 30px 60px);border-top:1px solid #7fdbca44;border-bottom:1px solid #7fdbca44}.lesson-card[data-astro-cid-jb5t25rj]{display:flex;flex-direction:column}.lesson-card[data-astro-cid-jb5t25rj]:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px}.lesson-preview[data-astro-cid-jb5t25rj]{height:165px;position:relative;overflow:hidden;background:#011627;border-radius:.6rem;margin-bottom:1.75rem}.coordinate-preview[data-astro-cid-jb5t25rj]{background-image:linear-gradient(#82aaff12 1px,transparent 1px),linear-gradient(90deg,#82aaff12 1px,transparent 1px);background-size:24px 24px}.preview-star[data-astro-cid-jb5t25rj]{position:absolute;left:70%;top:15px;font-size:2.5rem;color:#7fdbca}.preview-paddle[data-astro-cid-jb5t25rj]{position:absolute;left:25%;bottom:22px;width:70px;height:7px;background:#82aaff;border-radius:4px}.preview-numbers[data-astro-cid-jb5t25rj]{position:absolute;top:70px;left:8%;font-family:var(--font-mono);color:#a7b8c9;font-size:.8125rem}.pixel-preview[data-astro-cid-jb5t25rj]{background:#050505;background-image:linear-gradient(#ffffff0a 1px,transparent 1px),linear-gradient(90deg,#ffffff0a 1px,transparent 1px);background-size:14px 14px}.preview-pixel[data-astro-cid-jb5t25rj]{position:absolute;left:70%;top:28px;width:14px;height:14px;background:#fff;box-shadow:14px 0 #777}.preview-pixel-paddle[data-astro-cid-jb5t25rj]{position:absolute;left:25%;bottom:28px;width:42px;height:14px;background:#b2b2b2;box-shadow:-14px 0 #555}.preview-grid-label[data-astro-cid-jb5t25rj]{position:absolute;top:70px;left:8%;font-family:var(--font-mono);color:#c792ea;font-size:.8125rem}.lesson-spec[data-astro-cid-jb5t25rj]{margin-top:auto;font-family:var(--font-mono);font-size:.8125rem;color:var(--color-text-secondary)}.lesson-open[data-astro-cid-jb5t25rj]{color:var(--color-accent);font-size:.9375rem;font-weight:500;margin-top:1.5rem}.backprop-preview[data-astro-cid-jb5t25rj]{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:1.25rem;padding:1.5rem;margin-bottom:1.5rem;border-radius:.5rem;background:var(--color-bg-primary);font-family:var(--font-mono);font-size:1.5rem;color:var(--color-accent-cyan)}.backprop-preview[data-astro-cid-jb5t25rj] small[data-astro-cid-jb5t25rj]{width:100%;text-align:center;color:var(--color-accent-secondary);font-size:.875rem}.hockey-preview[data-astro-cid-jb5t25rj]{height:150px;position:relative;margin-bottom:1.5rem;border-radius:.5rem;background:#011627;border:1px solid #375267}.hockey-preview[data-astro-cid-jb5t25rj]:after{content:"";position:absolute;left:50%;top:10px;bottom:10px;border-left:1px dashed #375267}.hockey-preview-left[data-astro-cid-jb5t25rj],.hockey-preview-right[data-astro-cid-jb5t25rj]{position:absolute;width:8px;height:48px;border-radius:3px}.hockey-preview-left[data-astro-cid-jb5t25rj]{left:20px;top:25px;background:#7fdbca}.hockey-preview-right[data-astro-cid-jb5t25rj]{right:20px;bottom:25px;background:#c792ea}.hockey-preview-puck[data-astro-cid-jb5t25rj]{position:absolute;left:65%;top:65px;width:11px;height:11px;border-radius:50%;background:#fff}.hockey-preview-pixels[data-astro-cid-jb5t25rj]{background:#050505}.hockey-preview-pixels[data-astro-cid-jb5t25rj]>span[data-astro-cid-jb5t25rj]{border-radius:0;filter:grayscale(1)}.population-preview[data-astro-cid-jb5t25rj]{display:grid;grid-template-columns:repeat(20,1fr);gap:4px;margin-bottom:1.5rem}.population-preview[data-astro-cid-jb5t25rj] span[data-astro-cid-jb5t25rj]{aspect-ratio:1;border-radius:2px}