single-column layout (max-width ~2xl), monospace font throughout, orange/cream/muted color palette defined as css custom properties so dark/light mode is just swapping variable values, not duplicating styles.
theme toggle persists to localStorage and applies before first paint (inline script in <head>) to avoid a flash of the wrong theme.
styling is tailwind css via cdn — no build step for css, keeps the whole site to a single zola build.