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
3312
reasoning
181
total
3492
cost
$0.020
rates
$1.00 in / $6.00 out per 1M tokens (cached in $0.10), captured 29 Jul 2026