Replace hardcoded hex color tokens with algorithmic color scales generated
from HSL parameters. Each scale is defined by hue, saturation, and
lightness steps in tokens.edn, then converted to hex via jon/color-tools.
Color scales (gray, accent, danger, success, warning) generate 11 stops
each (50–950) into :root. Semantic tokens (bg-0, fg-0, accent, etc.)
reference scale variables with var(--gray-50), var(--accent-500), etc.
Dark theme switches which stop each semantic token points to.
Gray scale uses hue 240 with tapered saturation for a purplish tint
matching the activity-tracker aesthetic. Accent is vivid purple (hue 252).
Border radii bumped to 6/10/16px for a rounder feel.
To shift the entire palette (e.g. warm gray), change hue/saturation in
tokens.edn and run `bb build-theme`.
Add :scales config to tokens.edn with two generated scales:
- Size (linear): --size-1 through --size-16, base 0.25rem × N
- Font (geometric): --font-xs through --font-3xl, ratio 1.25
gen.clj computes values and emits them into :root only (not dark
theme blocks). button.css now uses scale vars instead of raw rem.
Change base or ratio in tokens.edn to recompute the entire scale.
- Rename CSS classes from BEM double-dash (btn--primary) to flat
utility-style single-dash (btn-primary)
- Move button CSS from inline Clojure string in gen.clj to
src/ui/button.css next to button.cljc
- gen.clj now auto-collects all src/ui/*.css files via babashka.fs glob
- Replace clojure.java.io with babashka.fs throughout gen.clj
- Update AGENTS.md to reflect new conventions
