Design Score

When to Use

Use this skill when you need score a UI file's design quality 0-100 against StyleSeed's design language — per-category breakdown, the worst offenders, and a prioritized fix list. A quantified version of /ss-review.

/ss-review tells you what's wrong. /ss-score tells you how good it is overall and what to fix first — a single number plus a category breakdown, so you can track UI quality like you track test coverage.

When NOT to use

• For a quick pass/fail before committing → use /ss-lint
• For a full prose audit with fixes → use /ss-review
• For non-UI files (logic, config) — scoring is meaningless

What to score

Score the file (or each file in a directory) on six weighted categories that map to the design language. Total = 100.

How to score each category

For each category, start at full marks and subtract for violations you find by reading the code. Be specific and evidence-based — cite the line.

Color discipline (20) — deduct for: any #000/text-black (−4 each, cap −8); more than one accent hue used decoratively (−5); emoji used as UI icons (multi-color, breaks single accent) (−5); a normal/OK/"보통" state shown in a status color instead of neutral grey (−4); status color on most/every row (no severity hierarchy) (−4); decorative hues (gold stars, rainbow category dots) instead of accent/grey (−3); hardcoded hex where a semantic token exists (−2 each, cap −6); status conveyed by color alone (−4).

Hierarchy & typography (20) — deduct for: number/unit not ~2:1 (−4); font sizes off the Font Size table / text-[var(--…)] for size (−5); everything the same weight, no clear primary (−5); cramped or wrong line-height on body (−3).

Layout & rhythm (15) — deduct for: content on bare background, not in cards (−6); px-4/px-8/mx-4 instead of px-6/mx-6 (−3); same section type repeated in a row (−4); no space-y-6 rhythm (−3).

Cards & elevation (15) — deduct for: 1px borders doing separation work that tone+shadow should (−4); shadows over ~8% opacity / visibly heavy (−4); no card/background tone separation (−5).

States & a11y (20) — deduct for: missing empty/loading/error state on a data surface (−5 each, cap −10); contrast below 4.5:1 body / 3:1 large (−6); touch target < 44px (−4); no visible focus / outline:none (−5); icon-only control without aria-label (−3).

Motion & interaction (8) — deduct for: random/ad-hoc fades instead of a named seed/keyword (−3); motion that delays content or blocks an action (−4); no prefers-reduced-motion handling on custom motion (−3); scroll-linked/parallax (forbidden, §59) (−5).

Coherence (12) — the "one choice per axis" laws (VISUAL-CRAFT §C0). Deduct for each axis that is mixed rather than unified across the file: mixed radius personalities, e.g. sharp panel + pill buttons (−5); two+ competing accent hues used for emphasis (−4); mixed shadow languages / light directions (−3); mixed icon families, fill modes, or stroke weights (−3); same radius on a nested element instead of inner = outer − padding (−2); inconsistent control heights for buttons/inputs (−2). This is the category that most predicts "looks AI-generated" — weight evidence of system-wide consistency, not per-component prettiness.

Clamp each category at 0. Sum to a total.

Output format

## Design Score: 70 / 100   (src/app/Dashboard.tsx)

████████████████░░░░░░  C-

Color discipline      13/18   ▓▓▓░  #000 headings (l.12,40); orange+blue+green accents (l.28-34)
Hierarchy & typography 15/18  ▓▓▓▓  number/unit 1:1 on hero (l.18)
Layout & rhythm        11/14  ▓▓▓░  two identical KPI rows (l.22-31)
Cards & elevation       8/12  ▓▓░░  1px borders doing separation (l.22)
States & a11y          11/18  ▓▓░░  no empty/loading state; focus ring missing (l.55)
Motion & interaction    6/8   ▓▓▓░  default fade, not a named seed

…