Foundations
Spacing
Layout rhythm comes from Tailwind's default spacing scale; only values used as semantic landmarks are tokenised. If you find yourself adding a new fixed pixel value across multiple places — promote it here.
Layout tokens
--spacing-toolbar1.625rem (26px)Toolbar control height — diff/list strips.--spacing-sheet26.25rem (420px)Default width of a side sheet (detail panels, drawers).--spacing-sidebar-expanded15rem (240px)Expanded sidebar width in AppShell.
Container widths
--max-width-container-narrow40rem (640px)Forms, settings, single-column copy.--max-width-container-medium56rem (896px)Standard page bodies.--max-width-container-wide95rem (1520px)Wide tables and dashboards.