Add design/ contract extracted from the as-built UI

Inventory the as-built recaps.cc look and distill it into a durable,
vendor-neutral design contract: design/DESIGN.md (nine-section brand
brief) + design/tokens.tokens.json (W3C DTCG tokens), plus brand icon
and provenance notes. Canonical calls reconciled with the owner:
indigo #818cf8 as the single interactive accent, purple #a855f7 for
premium only, the #0a0e1a->#111827->#0f172a surface ladder, and a
normalized type scale. Wire the AGENTS.md Design line and record the
contract-vs-code drift as a cleanup backlog in ROADMAP.md.

design/DESIGN.md

@@ -0,0 +1,213 @@
+# Recap — Design brief
+
+The durable brand contract for Recap's user-facing UI. Read this and
+`design/tokens.tokens.json` before building or changing any UI. This was
+**extracted** from the as-built `recaps.cc` interface (no prior guidelines), then
+**reconciled** with the owner on 2026-06-16 — so where the live code still
+disagrees with a value here, *this file is the intent* and the code is the cleanup
+backlog (see `ROADMAP.md`). Provenance: there was no design tool or export; the
+source is the shipped `public/index.html`, `public/auth.html`, and the app icon.
+
+---
+
+## 1. Visual theme
+
+A **dense, dark, information-first developer-tool aesthetic.** Restraint over
+decoration: small type, tight radii, thin hairline borders, flat panels on a
+near-black navy field, with the indigo accent used sparingly to mark what's
+interactive or active. It should read like a fast, technical instrument — closer
+to a code editor or an ops dashboard than a consumer media app. Calm, quiet, and
+legible at high density; never glossy, never playful.
+
+The brand mark (app icon) is a **play-triangle filled with a blue→purple gradient
+over four light "transcript" lines**, on the dark navy field — the product in one
+glyph: *press play on a video, get the text back.* That blue→purple gradient is
+the origin of the whole accent story (§2).
+
+Voice: precise, plain-spoken, unhyped. The UI explains tersely and trusts the
+user. What it is **not**: not gradient-heavy, not glassmorphic beyond a light
+overlay blur, not rounded-and-bubbly, not light-mode, not framework-flashy.
+
+## 2. Color palette
+
+Built almost entirely on the **Tailwind Slate + Indigo** ramps over a custom
+near-black navy base. Canonical roles below; full values in
+`tokens.tokens.json`.
+
+**Surface ladder (warm/cool split — the agreed system).**
+| Role | Value | Where |
+|---|---|---|
+| Base | `#0a0e1a` | page, body, sticky top bars, full-height side panels (history sidebar, log drawer). Also the PWA `theme_color`. |
+| Card | `#111827` (warm gray-900) | raised cards, modals, popovers, toasts, icon-buttons, pipeline steps, skeletons. |
+| Inset | `#0f172a` (cool slate-900) | recessed fields & list rows: settings/key inputs, queue items, subscription items, model buttons, expanded-chunk bg. |
+| Raised field | `#1e293b` | the **primary URL input only** — deliberately lighter than the inset so the hero field pops. |
+
+> Legacy darks **`#0a0e17`, `#0b1120`, `#020617`** are near-duplicates that
+> leaked in; fold them into the nearest rung (`#0a0e17`/`#0b1120` → Base,
+> `#020617` → Inset). Don't add new background darks.
+
+**Accent — indigo (THE single interactive accent).**
+- `#818cf8` (indigo-400) — **the accent.** Fills (submit button, active tab/icon,
+  processing badge) and marks (links, focus ring, active state, timestamps,
+  expanded-chunk arrow).
+- `#a5b4fc` (indigo-300) — accent hover (lighter), active-line emphasis.
+- Indigo tints `rgba(129,140,248, .06–.20)` — hover washes, active backgrounds,
+  the `0 0 0 3px …/.15` focus ring, the `0 4px 24px …/.3` submit glow.
+- **Demoted:** `#6366f1` (indigo-500) and its hovers `#4f46e5`/`#4338ca` are
+  legacy dups — migrate them to `#818cf8`; do not introduce new ones.
+
+**Premium — purple (RESERVED for paid/upgrade only).**
+- `#a855f7` (purple-500) — upgrade button, highlighted tier, buy badge, primary
+  buy CTA. `#c084fc` hover; `#9333ea` deep.
+- `#c4b5fd`/`#d8b4fe` (purple-300/200) — tier-badge & Pro text.
+- Purple appears **nowhere** in non-premium UI.
+
+**Text ramp (slate).**
+`#e2e8f0` primary · `#f1f5f9` strong/headings (canonical near-white — fold the
+stray `#f5f9ff` into this) · `#cbd5e1` running body copy · `#94a3b8` muted/
+secondary · `#64748b` labels & placeholders · `#475569` faint meta/timestamps ·
+`#334155` dimmest (doubles as the hover-border). `#fff` only on filled
+accent/premium buttons.
+
+**Borders.** `#1e293b` (slate-800) default hairline → `#334155` (slate-700) on
+hover/active → `#475569` (slate-600) strongest hover. Borders, not shadows, are
+the primary way surfaces are separated.
+
+**Semantic status (consistent, intentional — keep).**
+- Success/green: `#22c55e` base · `#4ade80` text · `#86efac` soft · `#16a34a` deep.
+- Error/red: `#ef4444` base · `#f87171` text · `#fca5a5` soft · `#dc2626` deep.
+- Warning/amber: `#fbbf24` base/dot · `#fcd34d` · `#fde68a` · `#f59e0b` (update btn).
+- Info/blue: `#3b82f6` base · `#60a5fa` · `#93c5fd`. **Blue is status/info only**
+  (and the legacy auth-screen accent, which should migrate to indigo) — never a
+  primary interactive color in-app.
+
+**Speaker chips (8-hue categorical set — intentional, keep as-is).** A→H:
+red/blue/green/amber/purple/sky/pink/slate, each as the *tinted triplet*
+(background α≈.18, light-shade text, border α≈.35).
+
+## 3. Typography
+
+- **Sans (everything):** `-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+  sans-serif`. System stack — **no web fonts.**
+- **Mono (timestamps, license keys, URLs, code):** `ui-monospace, "SF Mono",
+  Menlo, Consolas, monospace`. One canonical stack — snap the near-variants to it.
+- **Scale (px):** `10 · 11 · 12 · 13 · 14 · 16 · 18 · 20 · 22 · 28`.
+  - 10–11 — micro labels, badges, meta, section labels, pills, hints.
+  - 12 — secondary UI default (buttons, labels, stats, list titles).
+  - 13 — body default (descriptions, list items, transcript-adjacent).
+  - 14 — emphasis / larger body, drawer & settings headers.
+  - 16 — input text, modal `h2`, section heads.
+  - 18 — sub-headers, logo wordmark, large numerals.
+  - 20–22 — headings, modal/activation titles, tier names.
+  - 28 — display (price). Snap strays `15→16`, `24→22`, fractionals
+    `12.5/11.5→12`, `10.5/9→10`.
+- **Weights:** 400 normal · 500 medium · **600 semibold (the UI default)** · 700
+  bold (headings, badges) · 800 extrabold (tier badge, big numerals). Snap
+  `650→600`, `680→700`.
+- **Line-height:** 1.5 body · 1.55 denser reading blocks · 1.3–1.4 titles · 1.25
+  large titles · 1 single-line badges.
+- **Letter-spacing:** 0 default. Uppercase micro-labels track `0.05em`; badges
+  `0.04em`; tier/section labels `0.06–0.08em`; one display title tightens
+  `-0.01em`.
+
+## 4. Component styling
+
+- **Buttons.** *Primary:* filled `#818cf8`, white text, radius 8–10px, weight
+  600, hover lifts `translateY(-1px)` + indigo glow; disabled → `#1e293b` bg /
+  `#475569` text. *Secondary:* `#1e293b` fill, `#334155` border, `#94a3b8`→
+  `#cbd5e1` text. *Icon/ghost:* `#111827` (or transparent), `#1e293b` border,
+  muted glyph; hover lightens bg + border; `.active` → accent fill. *Premium:*
+  filled `#a855f7`.
+- **Inputs.** Inset `#0f172a` (or `#1e293b` for the hero URL input), `#334155`/
+  `#1e293b` border; focus → accent border + `0 0 0 3px rgba(129,140,248,.15)`
+  ring. Mono font for keys/codes; placeholders `#64748b`/`#475569`.
+- **Cards.** `#111827` bg, `#1e293b` border, radius 10–14px; border lightens on
+  hover; expanded/active → accent border + faint `0 2px 16px …/.06` accent glow.
+- **Pills / badges / chips — the "tinted triplet".** Background at α≈.1,
+  text in the light shade, border at α≈.2–.45 of the same hue. Status pills,
+  tier badges, `queue-from` tags, clip badges, and speaker chips all follow this
+  one rule.
+- **Modals.** `#111827` (settings) / `#0f172a` (buy) bg, radius 16px, sticky
+  header with `1px #1e293b` bottom border, `slideUp` entrance, scrim
+  `rgba(0,0,0,.6)` + `backdrop-filter: blur(4px)`.
+- **Toasts.** Top-right stack, `#1e293b` bg, `#334155` border, slide-in from
+  right, auto-fade.
+- **Spinner.** 3px ring, `#1e293b` track, `#818cf8` top, `spin 0.8s linear`.
+- **Pipeline / tracker.** Stepped pills: idle neutral, `.active` → accent
+  tint+border, `.done` → green tint+border.
+
+## 5. Layout
+
+- **Single fluid column.** `.container` `max-width:100%`, padding `36px 24px`
+  (landing) tightening to `16px 24px` (results) and down on mobile.
+- **Results = split screen.** `.results-left` 58% (video/player, sticky top) +
+  `.results-right` (scrolling chunk list), 16px gap; stacks vertically <900px.
+- **Persistent left history sidebar**, 320px, *pushes* content on desktop /
+  overlays on mobile. **Right log drawer**, 440px, slides in.
+- **Dense vertical rhythm.** Card margin 14px, chunk margin 6px, gaps 6–16px.
+- **Spacing steps (de-facto):** `4 · 6 · 8 · 10 · 12 · 14 · 16 · 20 · 24` for
+  controls/gaps, `28 · 32 · 36` for section padding. Not a strict 4/8 grid —
+  dense and organic by design; prefer these steps over new in-between values.
+
+## 6. Depth / elevation
+
+**Flat by default — separation comes from 1px borders, not shadows.** Shadows are
+reserved for things that genuinely float:
+- Overlays/drawers/modals: `0 8px 24px …/.3` (toast) · `0 8px 32px …/.4` (video,
+  side drawers `±8px 0 32px`) · `0 12px 32px …/.5` (menu) · `0 20px 60px …/.5`
+  and `0 24px 64px …/.5–.6` (panel, settings/buy modal). All `rgba(0,0,0,α)`.
+- **Accent glows** signal primary/active: submit `0 4px 24px rgba(129,140,248,.3)`;
+  focus ring `0 0 0 3px rgba(129,140,248,.15)`; expanded chunk `0 2px 16px …/.06`;
+  premium tier `0 12px 40px rgba(168,85,247,.25)`.
+- Overlay scrims use `rgba(0,0,0,.4–.65)` + `backdrop-filter: blur(4–6px)`.
+- Drag/drop affordance is an accent line: `box-shadow: 0 ±2px 0 0 #818cf8`.
+
+## 7. Do's and don'ts
+
+**Do**
+- Use `#818cf8` as the *single* interactive accent; reserve purple `#a855f7`
+  strictly for premium/upgrade.
+- Separate surfaces with 1px `#1e293b` borders that lighten to `#334155` on hover;
+  keep shadows for true overlays only.
+- Build every status/category chip as the tinted triplet (bg α.1 / light text /
+  border α.2).
+- Keep type dense — 12–13px body, 10–11px meta — with 600 as the default weight.
+- Follow the surface ladder: base `#0a0e1a` → card `#111827` → inset `#0f172a`.
+- Use the system font stack; mono only for timestamps / keys / URLs.
+
+**Don't**
+- Don't introduce new `#6366f1`/`#4f46e5` indigos — they migrate to `#818cf8`.
+- Don't put blue `#3b82f6` on primary interactive elements; blue is info/status
+  (and legacy auth) only — auth should move to indigo.
+- Don't add new background darks (`#0a0e17`/`#0b1120`/`#020617` are legacy dups).
+- Don't use purple for non-premium UI, or the accent indigo for premium.
+- Don't add fractional font sizes (12.5/11.5/10.5) or off-scale weights (650/680).
+- Don't reach for a framework, web font, or heavy drop shadows — vanilla JS,
+  system fonts, flat-with-borders is the intentional language.
+
+## 8. Responsive behavior
+
+- **Breakpoints:** `900px` (primary: split→stack, sidebar push→overlay), `880px`
+  (tablet: top breadcrumb swaps to a hoisted mobile copy), `600px` (phone:
+  icon-only submit, hamburger menu, desktop toolbar/pills hidden), `640px` (share
+  export). Plus `≤900px landscape` → fullscreen video.
+- **Mobile rules:** form inputs forced to `16px` (iOS auto-zoom guard); touch
+  targets 44–48px; sticky top bar; full-width drawers/panels; hover-gated
+  controls pinned visible (touch has no hover). Use `100dvh` for full-height.
+
+## 9. Agent prompt guide
+
+When building or changing UI in this repo:
+- Read `design/tokens.tokens.json` and pull values from it — don't eyeball new hex.
+- Match the **dense dark vanilla-JS** style. The frontend is one file,
+  `public/index.html`, with two `<style>` blocks + ~447 inline `style=` attrs and
+  a render-into-`innerHTML` loop. No framework, no bundler, no web fonts — keep it
+  that way.
+- Accent is `#818cf8`; purple is premium-only; follow the surface ladder; build
+  chips as the tinted triplet; system font for text, mono for timestamps/keys.
+- **Three surfaces stay in sync:** the main app stylesheet, the `SHARE_PAGE_CSS`
+  string (the self-contained share export), and `public/auth.html`. A token change
+  must be reflected in all three. Auth currently uses the legacy blue accent —
+  new auth work should adopt indigo.
+- Sanitize operator-internal strings at error boundaries (per `AGENTS.md`) — they
+  must never reach cloud users, design surfaces included.

design/brand/README.md

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+# Brand assets
+
+- **`icon.png`** — the app icon (1024×1024). A rounded-square (squircle) on the
+  dark navy field, with a **play-triangle filled by a blue→purple gradient** over
+  four light "transcript" lines. Used as the PWA icon (`manifest.json` →
+  `/assets/icon.png`, also `assets/icon.png` / `icon.png` at repo root) and the
+  auth-screen logo. The gradient's blue end and purple end are the source of the
+  app's blue (info) and purple (premium) accents; the indigo `#818cf8` interactive
+  accent sits between them.
+
+**Fonts:** none shipped — Recap uses the system font stack (`-apple-system, …`)
+and a system monospace stack. No web-font files to vendor here.
+
+**Palette:** the machine-readable source of truth is `../tokens.tokens.json`. No
+generated `palette.css` yet — styles live inline in `public/index.html`;
+consolidating them behind CSS custom properties is tracked as cleanup in the
+repo `ROADMAP.md`.

design/inspiration/README.md

@@ -0,0 +1,18 @@
+# Inspiration / provenance
+
+This is an **extract** run (Case B): Recap had no prior design guidelines and no
+design tool was used. There are no external reference images — the *de-facto* look
+**is** the source, harvested directly from the shipped code on 2026-06-16:
+
+- `public/index.html` — the whole app + landing (two `<style>` blocks + ~447
+  inline `style=` attributes).
+- `public/index.html` → `SHARE_PAGE_CSS` — the self-contained share-export styles.
+- `public/auth.html` — the magic-link auth screen.
+- `public/manifest.json` — PWA name/colors/icons (`theme_color` = `#0a0e1a`).
+- `design/brand/icon.png` — the app icon (the only first-class brand asset). Its
+  blue→purple gradient play-triangle is the origin of the accent story.
+
+The conflict reconciliation (which dark, which indigo, the type scale, the
+accent-hue strategy) was decided with the owner and is recorded in `../DESIGN.md`.
+If real reference images are gathered later, drop them here with a one-line note
+on what's liked about each.

design/tokens.tokens.json

@@ -0,0 +1,194 @@
+{
+  "$schema": "https://tr.designtokens.org/format/",
+  "$description": "Recap design tokens (W3C DTCG). Extracted from the as-built recaps.cc UI and reconciled 2026-06-16. Canonical roles only; see design/DESIGN.md for usage. Composite shadows and tint scales are documented strings, not strict DTCG primitives.",
+
+  "color": {
+    "$type": "color",
+
+    "surface": {
+      "$description": "Warm/cool elevation ladder over the navy base. Legacy darks #0a0e17/#0b1120 fold into base; #020617 folds into inset.",
+      "base": { "$value": "#0a0e1a", "$description": "Page, body, sticky bars, full-height side panels. Also PWA theme_color/background_color." },
+      "card": { "$value": "#111827", "$description": "Warm gray-900. Raised cards, modals, popovers, toasts, icon-buttons, steps, skeletons." },
+      "inset": { "$value": "#0f172a", "$description": "Cool slate-900. Recessed fields & list rows: inputs, queue/sub items, model buttons, expanded chunk." },
+      "raised-field": { "$value": "#1e293b", "$description": "Primary URL input only — lighter than inset so the hero field pops." }
+    },
+
+    "border": {
+      "default": { "$value": "#1e293b", "$description": "Slate-800. Default hairline — primary surface separator." },
+      "hover": { "$value": "#334155", "$description": "Slate-700. Border on hover/active." },
+      "strong": { "$value": "#475569", "$description": "Slate-600. Strongest hover border." }
+    },
+
+    "accent": {
+      "$description": "Indigo — THE single interactive accent.",
+      "default": { "$value": "#818cf8", "$description": "Indigo-400. Submit/active fills, links, focus ring, timestamps, active marks." },
+      "hover": { "$value": "#a5b4fc", "$description": "Indigo-300. Accent hover (lighter), active-line emphasis." },
+      "legacy-500": { "$value": "#6366f1", "$description": "DEMOTED indigo-500 dup — migrate to accent.default. Do not introduce new." },
+      "legacy-600": { "$value": "#4f46e5", "$description": "DEMOTED legacy hover for #6366f1 — migrate away." }
+    },
+
+    "premium": {
+      "$description": "Purple — RESERVED for paid/upgrade UI only. Never in non-premium surfaces.",
+      "default": { "$value": "#a855f7", "$description": "Purple-500. Upgrade button, highlighted tier, buy badge, primary buy CTA." },
+      "hover": { "$value": "#c084fc", "$description": "Purple-400." },
+      "deep": { "$value": "#9333ea", "$description": "Purple-600. Pro-CTA hover." },
+      "text": { "$value": "#c4b5fd", "$description": "Purple-300. Tier-badge & Pro text." },
+      "text-soft": { "$value": "#d8b4fe", "$description": "Purple-200." }
+    },
+
+    "text": {
+      "primary": { "$value": "#e2e8f0", "$description": "Slate-200. Primary body/UI text." },
+      "strong": { "$value": "#f1f5f9", "$description": "Slate-100. Headings/emphasis near-white. Canonical — fold stray #f5f9ff into this." },
+      "body": { "$value": "#cbd5e1", "$description": "Slate-300. Running body copy (transcript, descriptions, bullets)." },
+      "muted": { "$value": "#94a3b8", "$description": "Slate-400. Secondary/muted." },
+      "label": { "$value": "#64748b", "$description": "Slate-500. Labels & placeholders." },
+      "faint": { "$value": "#475569", "$description": "Slate-600. Faint meta, timestamps." },
+      "dim": { "$value": "#334155", "$description": "Slate-700. Dimmest text (doubles as border.hover)." },
+      "on-accent": { "$value": "#ffffff", "$description": "White — only on filled accent/premium buttons." }
+    },
+
+    "status": {
+      "$description": "Semantic status ramps. Use the tinted-triplet pattern for chips (see tint.*).",
+      "success": { "$value": "#22c55e" },
+      "success-text": { "$value": "#4ade80" },
+      "success-soft": { "$value": "#86efac" },
+      "success-deep": { "$value": "#16a34a" },
+      "error": { "$value": "#ef4444" },
+      "error-text": { "$value": "#f87171" },
+      "error-soft": { "$value": "#fca5a5" },
+      "error-deep": { "$value": "#dc2626" },
+      "warning": { "$value": "#fbbf24" },
+      "warning-soft": { "$value": "#fcd34d" },
+      "warning-faint": { "$value": "#fde68a" },
+      "warning-deep": { "$value": "#f59e0b" },
+      "info": { "$value": "#3b82f6", "$description": "Blue-500. Info/status only (+ legacy auth accent). Not a primary interactive color in-app." },
+      "info-mid": { "$value": "#60a5fa" },
+      "info-soft": { "$value": "#93c5fd" }
+    },
+
+    "speaker": {
+      "$description": "8-hue categorical set for diarized speaker chips A–H. Rendered as the tinted triplet (bg α≈.18 / this text / border α≈.35).",
+      "a": { "$value": "#fca5a5", "$description": "red — base rgb(239,68,68)" },
+      "b": { "$value": "#93c5fd", "$description": "blue — base rgb(59,130,246)" },
+      "c": { "$value": "#86efac", "$description": "green — base rgb(34,197,94)" },
+      "d": { "$value": "#fcd34d", "$description": "amber — base rgb(245,158,11)" },
+      "e": { "$value": "#d8b4fe", "$description": "purple — base rgb(168,85,247)" },
+      "f": { "$value": "#7dd3fc", "$description": "sky — base rgb(14,165,233)" },
+      "g": { "$value": "#f9a8d4", "$description": "pink — base rgb(236,72,153)" },
+      "h": { "$value": "#cbd5e1", "$description": "slate — base rgb(100,116,139)" }
+    }
+  },
+
+  "tint": {
+    "$type": "color",
+    "$description": "Recurring translucent washes. Stored as documented rgba strings — they are tints of the named hues, not standalone primitives.",
+    "accent-wash": { "$value": "rgba(129,140,248,0.06)", "$description": "Hover/active wash of accent.default. Family: .06 .08 .10 .15 .20." },
+    "accent-active": { "$value": "rgba(129,140,248,0.08)", "$description": "Active background of accent.default." },
+    "accent-ring": { "$value": "rgba(129,140,248,0.15)", "$description": "Focus-ring color → box-shadow 0 0 0 3px." },
+    "chip-bg": { "$value": "rgba(34,197,94,0.10)", "$description": "Representative tinted-triplet background (α≈.10) — swap the hue per status/category." },
+    "chip-border": { "$value": "rgba(34,197,94,0.20)", "$description": "Representative tinted-triplet border (α≈.20)." },
+    "scrim": { "$value": "rgba(0,0,0,0.6)", "$description": "Overlay scrim behind modals; family .4 .5 .6 .65." }
+  },
+
+  "font": {
+    "family": {
+      "$type": "fontFamily",
+      "sans": { "$value": ["-apple-system", "BlinkMacSystemFont", "Segoe UI", "Roboto", "sans-serif"], "$description": "System stack — no web fonts." },
+      "mono": { "$value": ["ui-monospace", "SF Mono", "Menlo", "Consolas", "monospace"], "$description": "Timestamps, license keys, URLs, code. Canonical — snap near-variants to this." }
+    },
+    "size": {
+      "$type": "dimension",
+      "$description": "Normalized scale (px). Snap strays 15→16, 24→22, 12.5/11.5→12, 10.5/9→10.",
+      "10": { "$value": "10px", "$description": "micro labels, badges, meta, section labels" },
+      "11": { "$value": "11px", "$description": "small labels, pills, hints, queue meta" },
+      "12": { "$value": "12px", "$description": "secondary UI default — buttons, labels, stats" },
+      "13": { "$value": "13px", "$description": "body default — descriptions, list items" },
+      "14": { "$value": "14px", "$description": "emphasis / larger body, drawer & settings headers" },
+      "16": { "$value": "16px", "$description": "input text, modal h2, section heads" },
+      "18": { "$value": "18px", "$description": "sub-headers, logo wordmark, large numerals" },
+      "20": { "$value": "20px", "$description": "headings" },
+      "22": { "$value": "22px", "$description": "large headings, modal/activation titles, tier names" },
+      "28": { "$value": "28px", "$description": "display — price" }
+    },
+    "weight": {
+      "$type": "fontWeight",
+      "$description": "Snap 650→600, 680→700.",
+      "normal": { "$value": 400 },
+      "medium": { "$value": 500 },
+      "semibold": { "$value": 600, "$description": "The UI default weight." },
+      "bold": { "$value": 700, "$description": "Headings, badges." },
+      "extrabold": { "$value": 800, "$description": "Tier badge, big numerals." }
+    },
+    "lineHeight": {
+      "$type": "number",
+      "body": { "$value": 1.5 },
+      "reading": { "$value": 1.55, "$description": "Denser reading blocks." },
+      "title": { "$value": 1.3 },
+      "title-large": { "$value": 1.25 },
+      "single": { "$value": 1, "$description": "Single-line badges/controls." }
+    },
+    "letterSpacing": {
+      "$type": "dimension",
+      "label": { "$value": "0.05em", "$description": "Uppercase micro-labels." },
+      "badge": { "$value": "0.04em" },
+      "tracked": { "$value": "0.06em", "$description": "Tier/section labels (up to 0.08em)." },
+      "tight": { "$value": "-0.01em", "$description": "Large display titles." }
+    }
+  },
+
+  "radius": {
+    "$type": "dimension",
+    "$description": "Snap strays 3→4, 5→6, 7→6|8, 9→8|10, 11→10|12.",
+    "4": { "$value": "4px", "$description": "tiny chips, badges, drop-zones, skeleton lines" },
+    "6": { "$value": "6px", "$description": "default small controls — buttons, chips, menu items" },
+    "8": { "$value": "8px", "$description": "default medium — inputs, buttons, pills" },
+    "10": { "$value": "10px", "$description": "larger cards/chunks, status bars" },
+    "12": { "$value": "12px", "$description": "modals, popovers, menus" },
+    "14": { "$value": "14px", "$description": "big cards, video embed, activation card" },
+    "16": { "$value": "16px", "$description": "settings / buy modal" },
+    "18": { "$value": "18px", "$description": "listen panel" },
+    "pill": { "$value": "999px", "$description": "fully-rounded badges" },
+    "circle": { "$value": "50%", "$description": "avatars, dots, play controls, spinner" }
+  },
+
+  "space": {
+    "$type": "dimension",
+    "$description": "De-facto dense scale (px). Not a strict 4/8 grid; prefer these steps over new in-between values.",
+    "4": { "$value": "4px" },
+    "6": { "$value": "6px" },
+    "8": { "$value": "8px" },
+    "10": { "$value": "10px" },
+    "12": { "$value": "12px" },
+    "14": { "$value": "14px", "$description": "card margin" },
+    "16": { "$value": "16px", "$description": "split-screen gap" },
+    "20": { "$value": "20px" },
+    "24": { "$value": "24px", "$description": "container horizontal padding" },
+    "28": { "$value": "28px", "$description": "section padding" },
+    "32": { "$value": "32px" },
+    "36": { "$value": "36px", "$description": "landing container vertical padding" }
+  },
+
+  "shadow": {
+    "$type": "shadow",
+    "$description": "Flat-by-default — shadows only for floating surfaces. Composite/glow values kept as documented strings.",
+    "toast": { "$value": "0 8px 24px rgba(0,0,0,0.3)" },
+    "drawer": { "$value": "0 8px 32px rgba(0,0,0,0.4)", "$description": "Video embed; side drawers use ±8px 0 32px." },
+    "menu": { "$value": "0 12px 32px rgba(0,0,0,0.5)" },
+    "panel": { "$value": "0 20px 60px rgba(0,0,0,0.5)", "$description": "Listen panel, activation card." },
+    "modal": { "$value": "0 24px 64px rgba(0,0,0,0.5)", "$description": "Settings/buy modal (up to ...0.6)." },
+    "glow-accent": { "$value": "0 4px 24px rgba(129,140,248,0.3)", "$description": "Submit button — signals primary." },
+    "glow-accent-faint": { "$value": "0 2px 16px rgba(129,140,248,0.06)", "$description": "Expanded chunk." },
+    "ring-accent": { "$value": "0 0 0 3px rgba(129,140,248,0.15)", "$description": "Input focus ring." },
+    "glow-premium": { "$value": "0 12px 40px rgba(168,85,247,0.25)", "$description": "Highlighted premium tier." }
+  },
+
+  "motion": {
+    "$description": "Transitions are quick and functional. Durations as documented strings.",
+    "duration": {
+      "fast": { "$value": "0.15s", "$description": "Default control transition (transition: all 0.15s)." },
+      "base": { "$value": "0.2s", "$description": "Cards, layout shifts." },
+      "slow": { "$value": "0.4s", "$description": "Chunk-body max-height expand." }
+    },
+    "overlay-blur": { "$value": "blur(4px)", "$description": "Modal/overlay backdrop-filter; 4–6px range." }
+  }
+}