Respond with a single complete, self-contained HTML document and nothing else. No markdown fences, no explanation. Inline all CSS and JavaScript. Do not reference any external resource — no CDN scripts, no external stylesheets, no remote fonts or images. The document must render correctly offline.
tokens and cost
input
384
cached input
256
output
2542
reasoning
47
total
2926
cost
$0.016
rates
$2.00 in / $6.00 out per 1M tokens (cached in $0.30), captured 29 Jul 2026