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design language·hatchwork

Hatchwork

A portable design language for agents: download the markdown first, then inspect the preview, tokens, and rules as needed.

Download DESIGN.md

Portable DESIGN.md source of truth for most agents and apps.

the spec

specification

philosophy
summary
Hatchwork runs the bungu (stationery) counter like a draftsman's table rather than a bright retail shelf. The ground is a deep ink-blue drafting board carrying a fine blueprint cross-hatch; stock is registered to that grid, and the metadata that would be a soft paper price-tag elsewhere is here an engraved brass index-plate with a countersunk screw. The same precision-stationery world, run with the discipline of a measured drawing: ink board, registration grid, brass plates, snap-to-crosshair handling.
values
Registration over arrangement: every surface sits on a blueprint cross-hatch and items align to it, never floating.Engraved metadata: SKUs, prices, and par counts ride on milled brass index-plates with mono numerals, not soft chips.Drafting clarity: codes, par levels, and stock states read as exact as a dimensioned drawing.Snap handling: picking an item up marks a registration crosshair on a 240ms snap, no bounce.Engineered restraint: a deep ink ground with three highlighter accents, nothing competing for attention.Title-block wayfinding: sections open with an index chip, heading, dashed rule, and a drafting stamp.
anti-values
×Warm-paper or white retail shelf grounds that drop the ink drafting-board identity.×Soft paper price-tags, aisle rails, or a serif display face.×Rainbow maximalism or saturated background fields; accents stay on plates and small marks.×Boxed-in floating nav pills; the masthead and rail must sit open.×Decorative or bouncy motion; the snap is functional registration only.
tokens
colors21 items
bg
#10141C
surface
#161B26
surface_2
#1C2230
sunk
#0C0F16
text
#E9EEF6
muted
#8B97AC
faint
#5A6577
border
#283246
hairline
rgba(120,150,200,0.13)
grid
rgba(91,208,224,0.10)
accent
#5BD0E0
accent_2
#D9A441
accent_3
#E2604C
on_accent
#0C0F16
cyan_wash
rgba(91,208,224,0.12)
brass_wash
rgba(217,164,65,0.14)
red_wash
rgba(226,96,76,0.13)
success
#52C08A
warning
#D9A441
error
#E2604C
info
#5BD0E0
typography8 items
base size
17px
body font
Space Grotesk
heading font
Space Grotesk
mono font
Spline Sans Mono
heading weight
600
heading transform
none
letter spacing
-0.02em
google fonts url
https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Spline+Sans+Mono:wght@400;500;600;700&display=swap
radii6 items
none
0px
sm
0px
md
16px
lg
16px
default
0px
full
9999px
shadows4 items
sm
0 1px 0 rgba(0,0,0,0.4)
md
0 12px 30px rgba(0,0,0,0.45)
lg
0 26px 60px rgba(0,0,0,0.55)
inset
inset 0 1px 0 rgba(255,255,255,0.04)
spacing2 items
base
4px
scale
4, 8, 12, 16, 24, 32, 48, 64, 96
surfaces3 items
treatment
deep ink-blue drafting board under a faint cyan cross-hatch grid, flat ink surfaces with inset top-light, no gradients on chrome
card style
flat ink sheet on the cross-hatch field, hard 0px corners, soft shadow + inset top-light, no border, corner crosshair on hover
bg pattern
fine cyan cross-hatch grid at 26px on the page and 13px behind working surfaces
borders4 items
default width
0
accent width
2px
style
none
character
No borders on cards — separation is soft shadow, sunk wells, and the cross-hatch field. The only colour edge is the dashed registration rule in a section title-block and the 2px cyan focus ring on controls.
motion3 items
duration
240ms
easing
cubic-bezier(0.16,1,0.3,1)
philosophy
snap-to-grid drafting handling: cards lift 3px, buttons press 1px, a registration crosshair marks pick-up, no bounce
rules
composition
Keep the interface scene-specific — a fictional drafting-counter inventory for precision stationery, not a generic dashboard or component inventory. Register every working surface to a blueprint cross-hatch grid and align items to it. Put SKUs, prices, and par counts on engraved brass index-plates with mono numerals. Open sections with a title-block (index chip, grotesque heading, dashed rule, drafting stamp). Limit accents to blueprint cyan, brass, and graphite-red; keep colour on plates and small marks, never large fields. Use the ink drafting board and the cross-hatch grid as structural identity so the system survives palette swaps.
hierarchy
Space Grotesk carries display and body with engineered squareness; Spline Sans Mono carries all metadata — SKUs, prices, par levels, index chips, stamps — uppercase and wide-tracked. Title-blocks and active tabs provide wayfinding before colour-filled buttons. Tables are ruled like inventory sheets while cards stay airy on the grid.
density

Comfortable counter browsing by default with one dense ledger; metadata clusters on plates sit tight while sections breathe at 64-96px.

signature
Engraved brass index-plate badges with a countersunk screw and mono numerals; a blueprint cross-hatch registration field behind every surface; a corner registration crosshair revealed on hover; title-block section headers with a dashed rule and drafting stamp; and a 240ms snap-to-grid lift/press across cards and controls.
layout
grid
12 columns desktop, max-width 1280px; working content sits inside registration fields carrying the cross-hatch; a featured wide drawer spans 8 of 12 to break even rows; 16px gutters.
whitespace

Outer margins generous like a drawing border; metadata clusters tight on plates. Surface padding 24-48px; major scene bands separated by 64-96px.

density

comfortable

responsive
Desktop is a full drafting counter with an open index-rail; tablet drops the rail to a horizontal index and stacks the grid to one or two columns; mobile is a single-column flow that hides the aisle/par columns and secondary nav, never overflowing horizontally.
breakpoints
desktop
1440
tablet
900
mobile
560
guidance
do
  • Register every surface to the cross-hatch grid and align items to it.
  • Put SKUs, prices, and par counts on brass index-plates with mono numerals.
  • Open sections with a title-block: index chip, heading, dashed rule, drafting stamp.
  • Keep cyan for the live/primary line, brass for codes and low-stock, graphite-red for alerts only.
  • Style every control explicitly — sunk wells with a 2px cyan focus ring.
  • Keep the masthead and index-rail open; build hierarchy with space, type, and surface.
avoid
  • Do not fall back to a warm-paper or white shelf ground.
  • Do not use soft paper chips, aisle rails, or a serif display face.
  • Do not flood surfaces with saturated colour; accents stay on plates and small marks.
  • Do not box the nav into a floating pill bar.
  • Do not add bounce or decorative motion; the snap is functional registration.
  • Do not leave native browser select, checkbox, or radio styling visible.
imagery
pairs with

tagboard

summary
Tagboard tagged flat-lay product photography reinterpreted onto the ink drafting board: precision stationery instruments shot top-down on a deep ink-blue blueprint ground with a fine cyan cross-hatch, soft crisp studio light, annotated with clipped paper index-tags and brass-rimmed stickers carrying terse mono labels, the instruments and their tags filling the frame in tidy registration-row order, accent reserved to the tags and small color blocks.
subjects
a drafting-instrument flat-lay (pencils, scale, protractor, leads)a single mechanical pencila folded sheet of blueprint grid papera brass protractora tray of refill leads
usage
One full-bleed tagged drafting flat-lay hero per landing on the ink blueprint ground, composed so a measured cartouche can sit over the left; smaller instruments as feature splits and spot product shots.
katagami spec
# Hatchwork

## Philosophy

Hatchwork runs the bungu (stationery) counter like a draftsman's table rather than a bright retail shelf. The ground is a deep ink-blue drafting board carrying a fine blueprint cross-hatch; stock is registered to that grid, and the metadata that would be a soft paper price-tag elsewhere is here an engraved brass index-plate with a countersunk screw. The same precision-stationery world, run with the discipline of a measured drawing: ink board, registration grid, brass plates, snap-to-crosshair handling.

### Values

- Registration over arrangement: every surface sits on a blueprint cross-hatch and items align to it, never floating.
- Engraved metadata: SKUs, prices, and par counts ride on milled brass index-plates with mono numerals, not soft chips.
- Drafting clarity: codes, par levels, and stock states read as exact as a dimensioned drawing.
- Snap handling: picking an item up marks a registration crosshair on a 240ms snap, no bounce.
- Engineered restraint: a deep ink ground with three highlighter accents, nothing competing for attention.
- Title-block wayfinding: sections open with an index chip, heading, dashed rule, and a drafting stamp.

### Anti-Values

- Warm-paper or white retail shelf grounds that drop the ink drafting-board identity.
- Soft paper price-tags, aisle rails, or a serif display face.
- Rainbow maximalism or saturated background fields; accents stay on plates and small marks.
- Boxed-in floating nav pills; the masthead and rail must sit open.
- Decorative or bouncy motion; the snap is functional registration only.

### Visual Character

- A deep ink-blue drafting board (#10141C) under a faint cyan cross-hatch grid sits behind flat ink surfaces, so the page reads as a lit drawing sheet rather than a white SaaS panel or a warm-paper shelf.
- Section headers are title-blocks: a mono index chip, a grotesque heading, a dashed registration rule, and a drafting stamp (Rev. C, sheet n of m) — wayfinding by drawing convention, not an aisle rail.
- Metadata badges are engraved brass index-plates: a milled gradient body with a countersunk screw rendered by a pseudo-element, carrying Spline Sans Mono numerals that recolour by role.
- Working surfaces carry the fine cross-hatch field; cards align to it and reveal a corner registration crosshair on hover, never a one-sided border on a rounded component.
- Interactions snap with a 240ms cubic-bezier(0.16,1,0.3,1) lift and a 1px press, marking registration like lifting an instrument off a drawing board.

## Tokens

### Colors

| Name | Value |
|------|-------|
| bg | `#10141C` |
| surface | `#161B26` |
| surface_2 | `#1C2230` |
| sunk | `#0C0F16` |
| text | `#E9EEF6` |
| muted | `#8B97AC` |
| faint | `#5A6577` |
| border | `#283246` |
| hairline | `rgba(120,150,200,0.13)` |
| grid | `rgba(91,208,224,0.10)` |
| accent | `#5BD0E0` |
| accent_2 | `#D9A441` |
| accent_3 | `#E2604C` |
| on_accent | `#0C0F16` |
| cyan_wash | `rgba(91,208,224,0.12)` |
| brass_wash | `rgba(217,164,65,0.14)` |
| red_wash | `rgba(226,96,76,0.13)` |
| success | `#52C08A` |
| warning | `#D9A441` |
| error | `#E2604C` |
| info | `#5BD0E0` |

### Typography

- **Base Size**: 17px
- **Body Font**: Space Grotesk
- **Heading Font**: Space Grotesk
- **Mono Font**: Spline Sans Mono
- **Heading Weight**: 600
- **Heading Transform**: none
- **Letter Spacing**: -0.02em
- **Google Fonts Url**: https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Spline+Sans+Mono:wght@400;500;600;700&display=swap

### Radii

- **None**: 0px
- **Sm**: 0px
- **Md**: 16px
- **Lg**: 16px
- **Default**: 0px
- **Full**: 9999px

### Shadows

- **Sm**: 0 1px 0 rgba(0,0,0,0.4)
- **Md**: 0 12px 30px rgba(0,0,0,0.45)
- **Lg**: 0 26px 60px rgba(0,0,0,0.55)
- **Inset**: inset 0 1px 0 rgba(255,255,255,0.04)

### Spacing

- **Base**: 4px
- **Scale**: [4,8,12,16,24,32,48,64,96]

### Surfaces

- **Treatment**: deep ink-blue drafting board under a faint cyan cross-hatch grid, flat ink surfaces with inset top-light, no gradients on chrome
- **Card Style**: flat ink sheet on the cross-hatch field, hard 0px corners, soft shadow + inset top-light, no border, corner crosshair on hover
- **Bg Pattern**: fine cyan cross-hatch grid at 26px on the page and 13px behind working surfaces

### Borders

- **Default Width**: 0
- **Accent Width**: 2px
- **Style**: none
- **Character**: No borders on cards — separation is soft shadow, sunk wells, and the cross-hatch field. The only colour edge is the dashed registration rule in a section title-block and the 2px cyan focus ring on controls.

### Motion

- **Duration**: 240ms
- **Easing**: cubic-bezier(0.16,1,0.3,1)
- **Philosophy**: snap-to-grid drafting handling: cards lift 3px, buttons press 1px, a registration crosshair marks pick-up, no bounce

## Rules

### Composition

Keep the interface scene-specific — a fictional drafting-counter inventory for precision stationery, not a generic dashboard or component inventory. Register every working surface to a blueprint cross-hatch grid and align items to it. Put SKUs, prices, and par counts on engraved brass index-plates with mono numerals. Open sections with a title-block (index chip, grotesque heading, dashed rule, drafting stamp). Limit accents to blueprint cyan, brass, and graphite-red; keep colour on plates and small marks, never large fields. Use the ink drafting board and the cross-hatch grid as structural identity so the system survives palette swaps.

### Hierarchy

Space Grotesk carries display and body with engineered squareness; Spline Sans Mono carries all metadata — SKUs, prices, par levels, index chips, stamps — uppercase and wide-tracked. Title-blocks and active tabs provide wayfinding before colour-filled buttons. Tables are ruled like inventory sheets while cards stay airy on the grid.

### Density

Comfortable counter browsing by default with one dense ledger; metadata clusters on plates sit tight while sections breathe at 64-96px.

### Signature

Engraved brass index-plate badges with a countersunk screw and mono numerals; a blueprint cross-hatch registration field behind every surface; a corner registration crosshair revealed on hover; title-block section headers with a dashed rule and drafting stamp; and a 240ms snap-to-grid lift/press across cards and controls.

## Layout

### Grid

12 columns desktop, max-width 1280px; working content sits inside registration fields carrying the cross-hatch; a featured wide drawer spans 8 of 12 to break even rows; 16px gutters.

### Whitespace

Outer margins generous like a drawing border; metadata clusters tight on plates. Surface padding 24-48px; major scene bands separated by 64-96px.

### Density

comfortable

### Responsive

Desktop is a full drafting counter with an open index-rail; tablet drops the rail to a horizontal index and stacks the grid to one or two columns; mobile is a single-column flow that hides the aisle/par columns and secondary nav, never overflowing horizontally.

### Breakpoints

- **Desktop**: 1440
- **Tablet**: 900
- **Mobile**: 560

## Guidance

### Do

- Register every surface to the cross-hatch grid and align items to it.
- Put SKUs, prices, and par counts on brass index-plates with mono numerals.
- Open sections with a title-block: index chip, heading, dashed rule, drafting stamp.
- Keep cyan for the live/primary line, brass for codes and low-stock, graphite-red for alerts only.
- Style every control explicitly — sunk wells with a 2px cyan focus ring.
- Keep the masthead and index-rail open; build hierarchy with space, type, and surface.

### Don't

- Do not fall back to a warm-paper or white shelf ground.
- Do not use soft paper chips, aisle rails, or a serif display face.
- Do not flood surfaces with saturated colour; accents stay on plates and small marks.
- Do not box the nav into a floating pill bar.
- Do not add bounce or decorative motion; the snap is functional registration.
- Do not leave native browser select, checkbox, or radio styling visible.

### Accessibility

- **Contrast**: AA contrast for body text and controls on the ink ground
- **Focus**: 2px blueprint-cyan focus ring, inset offset, on every control
- **Color**: category and state always include text, never colour alone
- **Motion**: prefers-reduced-motion disables all transforms and reveals

## Imagery Direction

### Pairs With

tagboard

### Summary

Tagboard tagged flat-lay product photography reinterpreted onto the ink drafting board: precision stationery instruments shot top-down on a deep ink-blue blueprint ground with a fine cyan cross-hatch, soft crisp studio light, annotated with clipped paper index-tags and brass-rimmed stickers carrying terse mono labels, the instruments and their tags filling the frame in tidy registration-row order, accent reserved to the tags and small color blocks.

### Subjects

- a drafting-instrument flat-lay (pencils, scale, protractor, leads)
- a single mechanical pencil
- a folded sheet of blueprint grid paper
- a brass protractor
- a tray of refill leads

### Usage

One full-bleed tagged drafting flat-lay hero per landing on the ink blueprint ground, composed so a measured cartouche can sit over the left; smaller instruments as feature splits and spot product shots.
DESIGN.md
---
version: "alpha"
name: "Hatchwork"
description: "Agent-curated design language exported from Katagami as DESIGN.md."
colors:
  bg: "#10141C"
  surface: "#161B26"
  surface_2: "#1C2230"
  sunk: "#0C0F16"
  text: "#E9EEF6"
  muted: "#8B97AC"
  faint: "#5A6577"
  border: "#283246"
  accent: "#5BD0E0"
  accent_2: "#D9A441"
  accent_3: "#E2604C"
  on_accent: "#0C0F16"
  success: "#52C08A"
  warning: "#D9A441"
  error: "#E2604C"
  info: "#5BD0E0"
typography:
  headline-lg:
    fontFamily: "Space Grotesk"
    fontSize: "2.075rem"
    fontWeight: 700
    lineHeight: 1.1
    letterSpacing: "-0.02em"
  headline-md:
    fontFamily: "Space Grotesk"
    fontSize: "1.66rem"
    fontWeight: 600
    lineHeight: 1.15
    letterSpacing: "-0.02em"
  body-md:
    fontFamily: "Space Grotesk"
    fontSize: "17px"
    fontWeight: 400
    lineHeight: 1.5
    letterSpacing: "-0.02em"
  label-md:
    fontFamily: "Spline Sans Mono"
    fontSize: "0.75rem"
    fontWeight: 600
    lineHeight: 1
    letterSpacing: "0.08em"
rounded:
  none: "0px"
  sm: "0px"
  md: "16px"
  lg: "16px"
  default: "0px"
  full: "9999px"
spacing:
  base: "4px"
  xs: "4px"
  sm: "8px"
  md: "12px"
  lg: "16px"
  xl: "24px"
  2xl: "32px"
  3xl: "48px"
  4xl: "64px"
  step-8: "96px"
components:
  color-reference-bg:
    backgroundColor: "{colors.bg}"
  color-reference-surface:
    backgroundColor: "{colors.surface}"
  color-reference-surface_2:
    backgroundColor: "{colors.surface_2}"
  color-reference-sunk:
    backgroundColor: "{colors.sunk}"
  color-reference-text:
    backgroundColor: "{colors.text}"
  color-reference-muted:
    backgroundColor: "{colors.muted}"
  color-reference-faint:
    backgroundColor: "{colors.faint}"
  color-reference-border:
    backgroundColor: "{colors.border}"
  color-reference-accent:
    backgroundColor: "{colors.accent}"
  color-reference-accent_2:
    backgroundColor: "{colors.accent_2}"
  color-reference-accent_3:
    backgroundColor: "{colors.accent_3}"
  color-reference-on_accent:
    backgroundColor: "{colors.on_accent}"
  color-reference-success:
    backgroundColor: "{colors.success}"
  color-reference-warning:
    backgroundColor: "{colors.warning}"
  color-reference-error:
    backgroundColor: "{colors.error}"
  color-reference-info:
    backgroundColor: "{colors.info}"
  button-primary:
    backgroundColor: "{colors.accent}"
    textColor: "#000000"
    typography: "{typography.label-md}"
    rounded: "{rounded.md}"
    padding: "{spacing.md}"
  card-surface:
    backgroundColor: "{colors.surface}"
    textColor: "{colors.text}"
    rounded: "{rounded.md}"
    padding: "{spacing.md}"
  input-default:
    backgroundColor: "{colors.surface}"
    textColor: "{colors.text}"
    rounded: "{rounded.md}"
    height: "44px"
---

# Hatchwork

## Overview

Hatchwork runs the bungu (stationery) counter like a draftsman's table rather than a bright retail shelf. The ground is a deep ink-blue drafting board carrying a fine blueprint cross-hatch; stock is registered to that grid, and the metadata that would be a soft paper price-tag elsewhere is here an engraved brass index-plate with a countersunk screw. The same precision-stationery world, run with the discipline of a measured drawing: ink board, registration grid, brass plates, snap-to-crosshair handling.

### Values

- Registration over arrangement: every surface sits on a blueprint cross-hatch and items align to it, never floating.
- Engraved metadata: SKUs, prices, and par counts ride on milled brass index-plates with mono numerals, not soft chips.
- Drafting clarity: codes, par levels, and stock states read as exact as a dimensioned drawing.
- Snap handling: picking an item up marks a registration crosshair on a 240ms snap, no bounce.
- Engineered restraint: a deep ink ground with three highlighter accents, nothing competing for attention.
- Title-block wayfinding: sections open with an index chip, heading, dashed rule, and a drafting stamp.

### Anti-Values

- Warm-paper or white retail shelf grounds that drop the ink drafting-board identity.
- Soft paper price-tags, aisle rails, or a serif display face.
- Rainbow maximalism or saturated background fields; accents stay on plates and small marks.
- Boxed-in floating nav pills; the masthead and rail must sit open.
- Decorative or bouncy motion; the snap is functional registration only.

### Visual Character

- A deep ink-blue drafting board (#10141C) under a faint cyan cross-hatch grid sits behind flat ink surfaces, so the page reads as a lit drawing sheet rather than a white SaaS panel or a warm-paper shelf.
- Section headers are title-blocks: a mono index chip, a grotesque heading, a dashed registration rule, and a drafting stamp (Rev. C, sheet n of m) — wayfinding by drawing convention, not an aisle rail.
- Metadata badges are engraved brass index-plates: a milled gradient body with a countersunk screw rendered by a pseudo-element, carrying Spline Sans Mono numerals that recolour by role.
- Working surfaces carry the fine cross-hatch field; cards align to it and reveal a corner registration crosshair on hover, never a one-sided border on a rounded component.
- Interactions snap with a 240ms cubic-bezier(0.16,1,0.3,1) lift and a 1px press, marking registration like lifting an instrument off a drawing board.

## Colors

Use the YAML color tokens as the normative palette. The prose below names the roles agents should preserve when generating UI.

| Token | Value |
|-------|-------|
| bg | `#10141C` |
| surface | `#161B26` |
| surface_2 | `#1C2230` |
| sunk | `#0C0F16` |
| text | `#E9EEF6` |
| muted | `#8B97AC` |
| faint | `#5A6577` |
| border | `#283246` |
| accent | `#5BD0E0` |
| accent_2 | `#D9A441` |
| accent_3 | `#E2604C` |
| on_accent | `#0C0F16` |
| success | `#52C08A` |
| warning | `#D9A441` |
| error | `#E2604C` |
| info | `#5BD0E0` |

## Typography

- **Headline-Lg**: Space Grotesk, 2.075rem, weight 700, line-height 1.1.
- **Headline-Md**: Space Grotesk, 1.66rem, weight 600, line-height 1.15.
- **Body-Md**: Space Grotesk, 17px, weight 400, line-height 1.5.
- **Label-Md**: Spline Sans Mono, 0.75rem, weight 600, line-height 1.

## Layout

### Spacing Tokens

- **Base**: `4px`
- **Xs**: `4px`
- **Sm**: `8px`
- **Md**: `12px`
- **Lg**: `16px`
- **Xl**: `24px`
- **2xl**: `32px`
- **3xl**: `48px`
- **4xl**: `64px`
- **Step-8**: `96px`

### Grid

12 columns desktop, max-width 1280px; working content sits inside registration fields carrying the cross-hatch; a featured wide drawer spans 8 of 12 to break even rows; 16px gutters.

### Whitespace

Outer margins generous like a drawing border; metadata clusters tight on plates. Surface padding 24-48px; major scene bands separated by 64-96px.

### Density

comfortable

### Responsive

Desktop is a full drafting counter with an open index-rail; tablet drops the rail to a horizontal index and stacks the grid to one or two columns; mobile is a single-column flow that hides the aisle/par columns and secondary nav, never overflowing horizontally.

### Breakpoints

- **Desktop**: 1440
- **Tablet**: 900
- **Mobile**: 560

## Elevation & Depth

### Shadows

- **Sm**: 0 1px 0 rgba(0,0,0,0.4)
- **Md**: 0 12px 30px rgba(0,0,0,0.45)
- **Lg**: 0 26px 60px rgba(0,0,0,0.55)
- **Inset**: inset 0 1px 0 rgba(255,255,255,0.04)

## Shapes

### Rounded

- **None**: `0px`
- **Sm**: `0px`
- **Md**: `16px`
- **Lg**: `16px`
- **Default**: `0px`
- **Full**: `9999px`

### Surfaces

- **Treatment**: deep ink-blue drafting board under a faint cyan cross-hatch grid, flat ink surfaces with inset top-light, no gradients on chrome
- **Card Style**: flat ink sheet on the cross-hatch field, hard 0px corners, soft shadow + inset top-light, no border, corner crosshair on hover
- **Bg Pattern**: fine cyan cross-hatch grid at 26px on the page and 13px behind working surfaces

### Borders

- **Default Width**: 0
- **Accent Width**: 2px
- **Style**: none
- **Character**: No borders on cards — separation is soft shadow, sunk wells, and the cross-hatch field. The only colour edge is the dashed registration rule in a section title-block and the 2px cyan focus ring on controls.

## Components

### Composition

Keep the interface scene-specific — a fictional drafting-counter inventory for precision stationery, not a generic dashboard or component inventory. Register every working surface to a blueprint cross-hatch grid and align items to it. Put SKUs, prices, and par counts on engraved brass index-plates with mono numerals. Open sections with a title-block (index chip, grotesque heading, dashed rule, drafting stamp). Limit accents to blueprint cyan, brass, and graphite-red; keep colour on plates and small marks, never large fields. Use the ink drafting board and the cross-hatch grid as structural identity so the system survives palette swaps.

### Hierarchy

Space Grotesk carries display and body with engineered squareness; Spline Sans Mono carries all metadata — SKUs, prices, par levels, index chips, stamps — uppercase and wide-tracked. Title-blocks and active tabs provide wayfinding before colour-filled buttons. Tables are ruled like inventory sheets while cards stay airy on the grid.

### Density

Comfortable counter browsing by default with one dense ledger; metadata clusters on plates sit tight while sections breathe at 64-96px.

### Signature

Engraved brass index-plate badges with a countersunk screw and mono numerals; a blueprint cross-hatch registration field behind every surface; a corner registration crosshair revealed on hover; title-block section headers with a dashed rule and drafting stamp; and a 240ms snap-to-grid lift/press across cards and controls.

## shadcn/ui Usage

When the target app uses shadcn/ui, copy DESIGN.md with shadcn instead of the plain DESIGN.md. It contains the same Katagami design-language source plus the shadcn/ui primitives, imports, theme variables, component recipes, and preview-shot guidance.

DESIGN.md with shadcn: `/language/en-019ef9c2-d41f-7ab3-8234-1b6e942676ca/DESIGN.with-shadcn.md`.

The shadcn page also exposes optional machine-readable files for automation, but the human-facing handoff is DESIGN.md with shadcn.

Install recommended primitives with `npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table`.

Use these primitives in shadcn apps:
- button
- card
- input
- textarea
- select
- dialog
- sheet
- tabs
- badge
- separator
- checkbox
- switch
- slider
- tooltip
- dropdown-menu
- table

Implementation rule for agents: import shadcn primitives from `@/components/ui/*`, apply the generated CSS variables first, then compose the language-specific recipes from the companion MD. Katagami remains the source of truth; shadcn names are the implementation surface.

## Do's and Don'ts

- Do Register every surface to the cross-hatch grid and align items to it.
- Do Put SKUs, prices, and par counts on brass index-plates with mono numerals.
- Do Open sections with a title-block: index chip, heading, dashed rule, drafting stamp.
- Do Keep cyan for the live/primary line, brass for codes and low-stock, graphite-red for alerts only.
- Do Style every control explicitly — sunk wells with a 2px cyan focus ring.
- Do Keep the masthead and index-rail open; build hierarchy with space, type, and surface.
- Don't Do not fall back to a warm-paper or white shelf ground.
- Don't Do not use soft paper chips, aisle rails, or a serif display face.
- Don't Do not flood surfaces with saturated colour; accents stay on plates and small marks.
- Don't Do not box the nav into a floating pill bar.
- Don't Do not add bounce or decorative motion; the snap is functional registration.
- Don't Do not leave native browser select, checkbox, or radio styling visible.

### Accessibility

- **Contrast**: AA contrast for body text and controls on the ink ground
- **Focus**: 2px blueprint-cyan focus ring, inset offset, on every control
- **Color**: category and state always include text, never colour alone
- **Motion**: prefers-reduced-motion disables all transforms and reveals

## Imagery Direction

### Pairs With

tagboard

### Summary

Tagboard tagged flat-lay product photography reinterpreted onto the ink drafting board: precision stationery instruments shot top-down on a deep ink-blue blueprint ground with a fine cyan cross-hatch, soft crisp studio light, annotated with clipped paper index-tags and brass-rimmed stickers carrying terse mono labels, the instruments and their tags filling the frame in tidy registration-row order, accent reserved to the tags and small color blocks.

### Subjects

- a drafting-instrument flat-lay (pencils, scale, protractor, leads)
- a single mechanical pencil
- a folded sheet of blueprint grid paper
- a brass protractor
- a tray of refill leads

### Usage

One full-bleed tagged drafting flat-lay hero per landing on the ink blueprint ground, composed so a measured cartouche can sit over the left; smaller instruments as feature splits and spot product shots.
shadcn/ui theme
```json
{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "hatchwork",
  "type": "registry:theme",
  "title": "Hatchwork shadcn Theme",
  "cssVars": {
    "theme": {},
    "light": {
      "background": "#10141C",
      "foreground": "#E9EEF6",
      "card": "#161B26",
      "card-foreground": "#E9EEF6",
      "popover": "#161B26",
      "popover-foreground": "#E9EEF6",
      "primary": "#E9EEF6",
      "primary-foreground": "#111111",
      "secondary": "#f4f4f5",
      "secondary-foreground": "#111111",
      "muted": "#8B97AC",
      "muted-foreground": "#E9EEF6",
      "accent": "#5BD0E0",
      "accent-foreground": "#ffffff",
      "destructive": "#E2604C",
      "border": "#283246",
      "input": "#283246",
      "ring": "#5BD0E0",
      "chart-1": "#E9EEF6",
      "chart-2": "#f4f4f5",
      "chart-3": "#5BD0E0",
      "chart-4": "#52C08A",
      "chart-5": "#D9A441",
      "sidebar": "#161B26",
      "sidebar-foreground": "#E9EEF6",
      "sidebar-primary": "#E9EEF6",
      "sidebar-primary-foreground": "#111111",
      "sidebar-accent": "#5BD0E0",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#283246",
      "sidebar-ring": "#5BD0E0",
      "radius": "0px"
    },
    "dark": {
      "background": "#0f1115",
      "foreground": "#f8fafc",
      "card": "#181b22",
      "card-foreground": "#f8fafc",
      "popover": "#181b22",
      "popover-foreground": "#f8fafc",
      "primary": "#E9EEF6",
      "primary-foreground": "#111111",
      "secondary": "#252a33",
      "secondary-foreground": "#f8fafc",
      "muted": "#252a33",
      "muted-foreground": "#a1a1aa",
      "accent": "#5BD0E0",
      "accent-foreground": "#ffffff",
      "destructive": "#E2604C",
      "border": "#303642",
      "input": "#303642",
      "ring": "#5BD0E0",
      "chart-1": "#E9EEF6",
      "chart-2": "#f4f4f5",
      "chart-3": "#5BD0E0",
      "chart-4": "#52C08A",
      "chart-5": "#D9A441",
      "sidebar": "#181b22",
      "sidebar-foreground": "#f8fafc",
      "sidebar-primary": "#E9EEF6",
      "sidebar-primary-foreground": "#111111",
      "sidebar-accent": "#5BD0E0",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#303642",
      "sidebar-ring": "#5BD0E0",
      "radius": "0px"
    }
  },
  "meta": {
    "source": "katagami",
    "languageId": "en-019ef9c2-d41f-7ab3-8234-1b6e942676ca",
    "slug": "hatchwork",
    "componentManifest": [
      "button",
      "card",
      "input",
      "textarea",
      "select",
      "dialog",
      "sheet",
      "tabs",
      "badge",
      "separator",
      "checkbox",
      "switch",
      "slider",
      "tooltip",
      "dropdown-menu",
      "table"
    ],
    "installCommand": "npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table",
    "nativeTokenNames": {
      "colors": [
        "accent",
        "accent_2",
        "accent_3",
        "bg",
        "border",
        "brass_wash",
        "cyan_wash",
        "error",
        "faint",
        "grid",
        "hairline",
        "info",
        "muted",
        "on_accent",
        "red_wash",
        "success",
        "sunk",
        "surface",
        "surface_2",
        "text",
        "warning"
      ],
      "typography": [
        "base_size",
        "body_font",
        "google_fonts_url",
        "heading_font",
        "heading_transform",
        "heading_weight",
        "letter_spacing",
        "mono_font"
      ],
      "radii": [
        "default",
        "full",
        "lg",
        "md",
        "none",
        "sm"
      ],
      "shadows": [
        "inset",
        "lg",
        "md",
        "sm"
      ],
      "spacing": [
        "base",
        "scale"
      ],
      "surfaces": [
        "bg_pattern",
        "card_style",
        "treatment"
      ],
      "borders": [
        "accent_width",
        "character",
        "default_width",
        "style"
      ],
      "motion": [
        "duration",
        "easing",
        "philosophy"
      ]
    }
  }
}
```
in the wild

embodiments

bespoke marketing landingopen full page ↗
landing · hatchwork
DESIGN.md

at a glance

Typography

headline-lgSpace Grotesk · 33px · 700

The quick brown fox jumps

headline-mdSpace Grotesk · 27px · 600

The quick brown fox jumps

body-mdSpace Grotesk · 17px · 400

The quick brown fox jumps

label-mdSpline Sans Mono · 12px · 600

The quick brown fox jumps

shadcn/ui

implementation kit

built with

Agent-generated

remix lane

try a remix

Keep Hatchworkand swap a palette and an art style onto it — the landing & dashboard recolor live. The Studio does the same with all three lanes free.

UI language · fixed
Hatchwork
Palette
Art style
Landing Page
live preview · recolored + filled
lineage

Family

Evolved from
related

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