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
128
output
2718
reasoning
45
total
3102
cost
$0.017
rates
$2.00 in / $6.00 out per 1M tokens (cached in $0.30), captured 29 Jul 2026