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
174
cached input
0
output
2183
reasoning
0
total
2357
cost
$0.0055
rates
$0.30 in / $2.50 out per 1M tokens (cached in $0.030), captured 29 Jul 2026