Implements the direction agreed from the identity board: Route C ("Cohort")
with the paper ground from C1, the Schibsted Grotesk / Literata pairing from
C2, and the iris accent from C3. Dark theme is in scope from the start rather
than retrofitted.
The audit found three things wrong beyond taste:
* No brand asset set. og:image was absent entirely, so every link shared into
a class WhatsApp group rendered as a bare grey card. apple-touch-icon pointed
at an SVG, which iOS ignores, and the manifest shipped no PNGs, so Android
installs had no icon. The header mark and the favicon had also drifted into
two different logos.
* No colour discipline. --primary and --trend-down were the same coral, so the
main CTA and "below average" shared a hue. 58 distinct hex values were spread
across component CSS, and the chart palette was still Chart.js's stock demo
colours.
* A dark theme that was declared but never built — themeColor announced a dark
variant with no dark styling behind it.
What changed:
Colour now has exactly three jobs that never borrow each other's hues: brand
(iris) for interactive and identity, status (teal/amber) for above/below a
comparison point, and phase for categories. Teal/amber rather than green/red
keeps the above/below signal readable for every form of colour blindness.
Every chromatic literal in component CSS is now a token, and the JS-painted
surfaces (Chart.js, Leaflet) read the tokens through lib/theme so they follow
the theme instead of ignoring it.
The mark is the five-bar cohort spread — the same object as the distribution
strip inside a school row, built from opacity steps so it inverts cleanly.
components/Logo.tsx is the single source; the favicon, apple-icon and share
card all derive from its geometry.
globals.css drops 123 dead global classes left over from the vanilla-JS app
(only the btn family, .skip-link and .main were still referenced), along with
the noise overlay. It also gains prefers-reduced-motion support, which was
missing entirely, and a type scale so the 54 ad-hoc font sizes have somewhere
to converge.
Verified: tsc clean, 159 unit tests pass, production build succeeds and
prerenders /icon.svg, /apple-icon and /opengraph-image. Three e2e journeys
added for the asset set, the themeColor/background match, and the dark theme
actually repainting — all silent failures that nothing on the page reveals.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
The chart note (and the 2-row mobile chip legend) lived inside the fixed
360px/420px chartBox and competed with the canvas for it, so a longer
caption — e.g. the new KS4 gap note — shrank the mobile canvas to ~178px
and tripped the e2e >220px guard. The canvas now owns a definite height
(280px mobile / 380px desktop) with chips above and the note flowing
below at natural size, so neither can eat the plot. Verified on staging:
patched canvas renders 280px vs the squashed 178px.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0146VHeLAWjDVE2B5uU67jCB
The mobile chart legend stacked one school chip per line, so up to five
schools pushed the chart down and left the plot cramped. Switch the chip
row to a two-column grid; each chip fills its column and truncates its
name with an ellipsis (full names remain on the school cards and in the
tooltip). Five schools now take three rows instead of five, giving the
chart noticeably more height.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The compare chart squashed clustered schools into a thin band (y pinned
0-100) under an in-chart title + per-school legend that ate ~40% of a
300px card, leaving converging lines indistinguishable on phones.
- Auto-fit the y-axis to the data on all viewports (computeYBounds in
lib/utils: padded + min-span for percentages, symmetric around 0 for
progress, fitted for scores; negative pct-named trend metrics are not
zero-clamped).
- Distinct point style per school (circle/triangle/rect/rectRot/star)
as secondary encoding for convergence and colour-blindness.
- Mobile: drop in-chart title/legend/axis titles; add a chip row (colour
dot + name) that doubles as tap-to-focus — highlights one school's
line and dims the rest. Chart card 300px -> 340px, nearly all plot.
- Fix a latent colour mismatch: datasets were built from Object.entries
whose integer-like URN keys enumerate in ascending numeric order,
desyncing line colours from card colours; the chart now receives the
ordered school list.
- Union years across schools instead of taking the first school's.
- Extract PerformanceChart's matchMedia pattern into hooks/useIsMobile.
Unit tests for metricKind/computeYBounds; e2e journey covers the mobile
chips and focus toggle.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
