Design System

Monochrome surfaces, Satoshi typography, 4px/8px spacing, and shared UI primitives.

Color Tokens

Page canvas --color-bg-page
Monochrome well --color-bg-subtle
Primary ink --color-text-primary
Flux Blue --color-brand
Ahead / Income --color-positive
At risk --color-warning
Expense --color-negative
Dark surface --color-bg-dark

Typography Scale (Satoshi)

.t-hero · 900 · -0.04em

Clearer money.

.t-h2 · 900 · -0.03em

Budgets that know what day it is.

.t-lead · 400 · max 44ch

Log expenses in two taps and see what is safe to spend today.

Shared Primitives

On track Ahead At risk Over Neutral