Lumen
Foundations

Layout & adaptive

A scaffold of panes that resize, show/hide, and re-present across breakpoints.

The product is a scaffold of panes — a sidebar rail, a top bar, the content column, and a right Agent panel — that resize, show/hide, and re-present across breakpoints. Gutters are generous; the warm ground breathes.

Principles

  • Persistent rail carries the nine-section IA on desktop; collapses to a sheet on small screens.
  • Top bar holds search, the Day/Night switch, and the Agent toggle.
  • Agent panel is an overlay on narrow viewports, a docked column on wide ones.
  • Content never exceeds a comfortable measure; data-dense views get full width.

Status

Full breakpoint and adaptive-pane guidance lands in a later phase. See the Biograph flagship lab for the shell in practice — it is the canonical layout reference today.

Open the Biograph layout lab

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