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
180
cached input
0
output
3174
reasoning
59
total
3354
cost
$0.048
rates
$2.50 in / $15.00 out per 1M tokens (cached in $0.25), captured 29 Jul 2026