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0;max-width:72ch;font-size:0.8125rem;line-height:1.55;color:var(--muted)}html[data-public-theme="archive"] body.demo-page .demo-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:start;margin-top:2rem}@media (min-width:1024px){html[data-public-theme="archive"] body.demo-page .demo-grid{grid-template-columns:minmax(0,1fr) minmax(300px,380px);gap:32px}html[data-public-theme="archive"] body.demo-page .demo-evidence{position:sticky;top:88px;max-height:calc(100vh - 112px);overflow:auto}html[data-public-theme="archive"] body.demo-page .demo-source__back{display:none}}html[data-public-theme="archive"] body.demo-page .shelbyfeature .eng-chat{display:flex;flex-direction:column;gap:1.1rem;min-width:0;padding:clamp(14px,2.5vw,1.6rem);border:1px solid var(--line,rgba(232,226,212,0.12));border-radius:16px;background:var(--card);box-shadow:inset 0 1px 0 rgb(255 255 255 / 4%),0 18px 48px rgb(0 0 0 / 28%)}html[data-public-theme="archive"] body.demo-page .shelbyfeature 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