Liu Bai Void

npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table

:root {
  --background: #faf8f5;
  --foreground: #1c1917;
  --card: #ffffff;
  --card-foreground: #1c1917;
  --popover: #ffffff;
  --popover-foreground: #1c1917;
  --primary: #1c1917;
  --primary-foreground: #ffffff;
  --secondary: #f4f4f5;
  --secondary-foreground: #111111;
  --muted: #a8a29e;
  --muted-foreground: #78716c;
  --accent: #a83226;
  --accent-foreground: #ffffff;
  --destructive: #dc2626;
  --border: rgba(28,25,23,0.08);
  --input: rgba(28,25,23,0.08);
  --ring: #a83226;
  --chart-1: #1c1917;
  --chart-2: #f4f4f5;
  --chart-3: #a83226;
  --chart-4: #5f6f52;
  --chart-5: #d97706;
  --sidebar: #ffffff;
  --sidebar-foreground: #1c1917;
  --sidebar-primary: #1c1917;
  --sidebar-primary-foreground: #ffffff;
  --sidebar-accent: #a83226;
  --sidebar-accent-foreground: #ffffff;
  --sidebar-border: rgba(28,25,23,0.08);
  --sidebar-ring: #a83226;
  --radius: 0px;
}

.dark {
  --background: #0f1115;
  --foreground: #f8fafc;
  --card: #181b22;
  --card-foreground: #f8fafc;
  --popover: #181b22;
  --popover-foreground: #f8fafc;
  --primary: #1c1917;
  --primary-foreground: #ffffff;
  --secondary: #252a33;
  --secondary-foreground: #f8fafc;
  --muted: #252a33;
  --muted-foreground: #a1a1aa;
  --accent: #a83226;
  --accent-foreground: #ffffff;
  --destructive: #dc2626;
  --border: #303642;
  --input: #303642;
  --ring: #a83226;
  --chart-1: #1c1917;
  --chart-2: #f4f4f5;
  --chart-3: #a83226;
  --chart-4: #5f6f52;
  --chart-5: #d97706;
  --sidebar: #181b22;
  --sidebar-foreground: #f8fafc;
  --sidebar-primary: #1c1917;
  --sidebar-primary-foreground: #ffffff;
  --sidebar-accent: #a83226;
  --sidebar-accent-foreground: #ffffff;
  --sidebar-border: #303642;
  --sidebar-ring: #a83226;
  --radius: 0px;
}

import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";

export function LiuBaiVoidShadcnKit() {
  return (
    <section className="grid gap-4 rounded-[var(--radius)] border bg-background p-4 text-foreground">
      <div className="flex items-start justify-between gap-4">
        <div>
          <Badge variant="outline">shadcn/ui</Badge>
          <h2 className="mt-3 text-2xl font-semibold tracking-tight">Liu Bai Void</h2>
          <p className="mt-1 max-w-xl text-sm text-muted-foreground">
            Use the Katagami registry theme, then compose these shadcn primitives
            with the language-specific component recipes.
          </p>
        </div>
        <Button>Apply theme</Button>
      </div>

      <Tabs defaultValue="components">
        <TabsList>
          <TabsTrigger value="components">Components</TabsTrigger>
          <TabsTrigger value="states">States</TabsTrigger>
          <TabsTrigger value="export">Export</TabsTrigger>
        </TabsList>
      </Tabs>

      <Card>
        <CardHeader>
          <CardTitle>Component recipe</CardTitle>
          <CardDescription>
            Replace this starter content with the agent-authored product scene
            from components.md and preview-shots.json.
          </CardDescription>
        </CardHeader>
        <CardContent className="grid gap-3 sm:grid-cols-[1fr_auto]">
          <Input defaultValue="Tokenized shadcn surface" aria-label="Recipe name" />
          <Button variant="secondary">Preview state</Button>
        </CardContent>
        <CardFooter className="justify-between">
          <Badge>Ready</Badge>
          <Button variant="outline">Copy recipe</Button>
        </CardFooter>
      </Card>
    </section>
  );
}

{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "liu-bai-void",
  "type": "registry:theme",
  "title": "Liu Bai Void shadcn Theme",
  "cssVars": {
    "theme": {},
    "light": {
      "background": "#faf8f5",
      "foreground": "#1c1917",
      "card": "#ffffff",
      "card-foreground": "#1c1917",
      "popover": "#ffffff",
      "popover-foreground": "#1c1917",
      "primary": "#1c1917",
      "primary-foreground": "#ffffff",
      "secondary": "#f4f4f5",
      "secondary-foreground": "#111111",
      "muted": "#a8a29e",
      "muted-foreground": "#78716c",
      "accent": "#a83226",
      "accent-foreground": "#ffffff",
      "destructive": "#dc2626",
      "border": "rgba(28,25,23,0.08)",
      "input": "rgba(28,25,23,0.08)",
      "ring": "#a83226",
      "chart-1": "#1c1917",
      "chart-2": "#f4f4f5",
      "chart-3": "#a83226",
      "chart-4": "#5f6f52",
      "chart-5": "#d97706",
      "sidebar": "#ffffff",
      "sidebar-foreground": "#1c1917",
      "sidebar-primary": "#1c1917",
      "sidebar-primary-foreground": "#ffffff",
      "sidebar-accent": "#a83226",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "rgba(28,25,23,0.08)",
      "sidebar-ring": "#a83226",
      "radius": "0px"
    },
    "dark": {
      "background": "#0f1115",
      "foreground": "#f8fafc",
      "card": "#181b22",
      "card-foreground": "#f8fafc",
      "popover": "#181b22",
      "popover-foreground": "#f8fafc",
      "primary": "#1c1917",
      "primary-foreground": "#ffffff",
      "secondary": "#252a33",
      "secondary-foreground": "#f8fafc",
      "muted": "#252a33",
      "muted-foreground": "#a1a1aa",
      "accent": "#a83226",
      "accent-foreground": "#ffffff",
      "destructive": "#dc2626",
      "border": "#303642",
      "input": "#303642",
      "ring": "#a83226",
      "chart-1": "#1c1917",
      "chart-2": "#f4f4f5",
      "chart-3": "#a83226",
      "chart-4": "#5f6f52",
      "chart-5": "#d97706",
      "sidebar": "#181b22",
      "sidebar-foreground": "#f8fafc",
      "sidebar-primary": "#1c1917",
      "sidebar-primary-foreground": "#ffffff",
      "sidebar-accent": "#a83226",
      "sidebar-accent-foreground": "#ffffff",
      "sidebar-border": "#303642",
      "sidebar-ring": "#a83226",
      "radius": "0px"
    }
  },
  "meta": {
    "source": "katagami",
    "languageId": "en-019dacc4-917f-7df0-820d-768bfdc71dca",
    "slug": "liu-bai-void",
    "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": {
      "borders": [
        "color",
        "radius_lg",
        "radius_md",
        "radius_none",
        "radius_sm",
        "style",
        "width_default",
        "width_thin"
      ],
      "colors": [
        "accent",
        "accent_light",
        "background",
        "border",
        "focus",
        "muted",
        "primary",
        "success",
        "surface",
        "surface_alt",
        "text",
        "text_secondary"
      ],
      "density": [
        "content_max_width",
        "min_touch_target",
        "sidebar_width",
        "void_ratio"
      ],
      "motion": [
        "duration_default",
        "duration_fast",
        "duration_slow",
        "easing",
        "type"
      ],
      "radii": [
        "lg",
        "md",
        "none",
        "pill",
        "sm"
      ],
      "shadows": [
        "default",
        "elevated",
        "none",
        "subtle"
      ],
      "spacing": [
        "2xl",
        "3xl",
        "element_isolation",
        "lg",
        "md",
        "section_gap",
        "sm",
        "unit",
        "xl",
        "xs"
      ],
      "surfaces": [
        "card",
        "inset",
        "paper",
        "void"
      ],
      "typography": [
        "base_size",
        "font_body",
        "font_heading",
        "font_mono",
        "google_fonts_url",
        "letter_spacing_body",
        "letter_spacing_heading",
        "line_height_body",
        "line_height_heading",
        "scale_ratio",
        "sizes"
      ]
    }
  }
}

# Liu Bai Void shadcn/ui Components

Artifact: `component-recipes-v1`
Author: `katagami-ui-projection`
Language ID: `en-019dacc4-917f-7df0-820d-768bfdc71dca`
Slug: `liu-bai-void`

## Intent

A contemplative interface language built from warm paper, disciplined ink typography, severe right angles, and one restrained cinnabar seal. It treats empty space as the primary surface, allowing a few carefully placed controls and reading artifacts to feel rare and intentional.

## Required primitives

- button
- card
- input
- textarea
- select
- dialog
- sheet
- tabs
- badge
- separator
- checkbox
- switch
- slider
- tooltip
- dropdown-menu
- table

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

## Token cues

Colors:

{
  "accent": "#a83226",
  "accent_light": "rgba(168,50,38,0.08)",
  "background": "#faf8f5",
  "border": "rgba(28,25,23,0.08)",
  "focus": "#292524",
  "muted": "#a8a29e",
  "primary": "#1c1917",
  "success": "#5f6f52",
  "surface": "#ffffff",
  "surface_alt": "#f5f1eb",
  "text": "#1c1917",
  "text_secondary": "#78716c"
}

Typography:

{
  "base_size": "16px",
  "font_body": "Source Sans 3, sans-serif",
  "font_heading": "Noto Serif SC, serif",
  "font_mono": "IBM Plex Mono, monospace",
  "google_fonts_url": "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700&family=Source+Sans+3:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap",
  "letter_spacing_body": "-0.02em",
  "letter_spacing_heading": "-0.04em",
  "line_height_body": 1.56,
  "line_height_heading": 1.14,
  "scale_ratio": 1.414,
  "sizes": {
    "2xl": "45px",
    "3xl": "64px",
    "4xl": "90px",
    "base": "16px",
    "lg": "22px",
    "sm": "13px",
    "xl": "32px",
    "xs": "11px"
  }
}

## Visual character to preserve

- Warm off-white paper fields occupy most of the viewport, with content constrained to a 640px reading column and 96–128px section gaps in CSS.
- All geometry uses square 0px corners, hairline rgba(28,25,23,0.08) rules, and no visible shadow beyond a barely perceptible ink lift.
- A tiny cinnabar red seal mark appears no more than twice per screen as a dot, vertical bar, or stamp-like label rather than a large colored area.
- Hierarchy is carried by Noto Serif SC display type with -0.04em tracking, Source Sans 3 body copy with -0.02em tracking, and large whitespace jumps.

## ShadSync visual profile

{
  "family": "paper-collage",
  "material": "paper",
  "contour": "default",
  "border": "solid",
  "underlay": false,
  "grain": true,
  "stickerBadges": true,
  "motion": "lift",
  "density": "balanced",
  "accents": [
    "primary",
    "accent",
    "secondary",
    "muted"
  ]
}

## Signature component recipes

### Button
Use `Button` for primary, secondary, outline, and ghost actions. Primary actions must expose the language's strongest contrast pair, while secondary and ghost actions should preserve the surface treatment instead of falling back to default neutral SaaS styling.

### Card
Use `Card`, `CardHeader`, `CardContent`, `CardFooter`, and `CardAction` as the main composition frame. Cards should demonstrate the language's surface, border, hierarchy, and density rules rather than appearing as generic rounded rectangles.

### Input and Textarea
Use `Input` and `Textarea` with visible focus rings, field labels, validation states, and the language's rhythm. Forms should show real product content, not placeholder-only controls.

### Select, Tabs, and Table
Use `Select`, `Tabs`, and `Table` to prove navigation, filtering, and dense data states. The table should show row rhythm, separators, hover/focus states, and an empty or status state when the language calls for it.

### Dialog and Sheet
Use `Dialog` for centered decisions and `Sheet` for contextual editing. Both should inherit the language's spacing, border, overlay, and motion rules.

## Preview shots

- `application-shell`: dashboard or workspace shell with navigation, cards, forms, and state badges.
- `detail-editor`: focused editing flow using input, textarea, select, switch/checkbox, dialog or sheet, and action buttons.
- `data-operations`: table-heavy operational view with tabs, dropdown menu affordances, badges, and destructive/empty states.
- Each preview shot must include a renderable `scene` payload with concrete headline, description, actions, and rows/fields/stats for the UI preview.

## Implementation contract

- Start from local `ui/src/components/ui` shadcn-style primitives; do not create a second component system.
- Apply `/katagami/shadcn/liu-bai-void/registry-theme.json` variables, then use these recipes for composition and state design.
- Preserve Katagami token names as source metadata; shadcn semantic names are only the export surface.
- Do: Leave at least 70% of the viewport as intentional void; Use typography scale (1.414) to create clear visual strata without other cues; Place the red accent sparingly — maximum twice per screen, like a seal on a painting; Use sharp 0px border-radius everywhere — precision over friendliness; Separate sections with a single 1px rule at 8% opacity; Let content breathe with 64-128px between major elements; Use opacity transitions only (200ms) — no spatial movement; Center content in a narrow column (max 640px) with vast flanking margins; Use Noto Serif SC for headings to honor the cultural lineage; Embrace empty states — void is not an error, it is the natural condition
- Do not: Never use border-radius — all corners must be sharp; Never fill available space — leave it deliberately empty; Never use color for hierarchy — ink black and stone gray only; Never add decorative elements, icons, or illustrations where typography suffices; Never use spatial animations (slides, scales, bounces) — opacity only; Never stack dividers or use thick borders; Never add shadows beyond the barely-perceptible (0.03 opacity max); Never crowd elements — minimum 64px between unrelated items; Never use the accent red for large areas — it is a dot, a stamp, a mark; Never center-align body text — left-aligned for reading, centered only for single-line display headings

## Copy-paste component example

This generated starter proves the import shape. Production Katagami agents should replace it with a language-specific product composition.

```tsx
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";

export function LiuBaiVoidShadcnKit() {
  return (
    <section className="grid gap-4 rounded-[var(--radius)] border bg-background p-4 text-foreground">
      <div className="flex items-start justify-between gap-4">
        <div>
          <Badge variant="outline">shadcn/ui</Badge>
          <h2 className="mt-3 text-2xl font-semibold tracking-tight">Liu Bai Void</h2>
          <p className="mt-1 max-w-xl text-sm text-muted-foreground">
            Use the Katagami registry theme, then compose these shadcn primitives
            with the language-specific component recipes.
          </p>
        </div>
        <Button>Apply theme</Button>
      </div>

      <Tabs defaultValue="components">
        <TabsList>
          <TabsTrigger value="components">Components</TabsTrigger>
          <TabsTrigger value="states">States</TabsTrigger>
          <TabsTrigger value="export">Export</TabsTrigger>
        </TabsList>
      </Tabs>

      <Card>
        <CardHeader>
          <CardTitle>Component recipe</CardTitle>
          <CardDescription>
            Replace this starter content with the agent-authored product scene
            from components.md and preview-shots.json.
          </CardDescription>
        </CardHeader>
        <CardContent className="grid gap-3 sm:grid-cols-[1fr_auto]">
          <Input defaultValue="Tokenized shadcn surface" aria-label="Recipe name" />
          <Button variant="secondary">Preview state</Button>
        </CardContent>
        <CardFooter className="justify-between">
          <Badge>Ready</Badge>
          <Button variant="outline">Copy recipe</Button>
        </CardFooter>
      </Card>
    </section>
  );
}
```

## Layout notes

Defined by the Katagami source fields.

{
  "artifact": "katagami:shadcn-preview-shots",
  "version": "preview-shots-v1",
  "generator": "katagami-ui-compatibility-projection",
  "generatedBy": "katagami-ui-projection",
  "requiresVisualProfile": true,
  "schema": "katagami:shadcn-preview-shots/renderable-v1",
  "renderable": true,
  "language": {
    "id": "en-019dacc4-917f-7df0-820d-768bfdc71dca",
    "name": "Liu Bai Void",
    "slug": "liu-bai-void"
  },
  "installCommand": "npx shadcn@latest add button card input textarea select dialog sheet tabs badge separator checkbox switch slider tooltip dropdown-menu table",
  "primitives": [
    "button",
    "card",
    "input",
    "textarea",
    "select",
    "dialog",
    "sheet",
    "tabs",
    "badge",
    "separator",
    "checkbox",
    "switch",
    "slider",
    "tooltip",
    "dropdown-menu",
    "table"
  ],
  "identityNotes": [
    "Warm off-white paper fields occupy most of the viewport, with content constrained to a 640px reading column and 96–128px section gaps in CSS.",
    "All geometry uses square 0px corners, hairline rgba(28,25,23,0.08) rules, and no visible shadow beyond a barely perceptible ink lift.",
    "A tiny cinnabar red seal mark appears no more than twice per screen as a dot, vertical bar, or stamp-like label rather than a large colored area.",
    "Hierarchy is carried by Noto Serif SC display type with -0.04em tracking, Source Sans 3 body copy with -0.02em tracking, and large whitespace jumps."
  ],
  "visualProfile": {
    "family": "paper-collage",
    "material": "paper",
    "contour": "default",
    "border": "solid",
    "underlay": false,
    "grain": true,
    "stickerBadges": true,
    "motion": "lift",
    "density": "balanced",
    "accents": [
      "primary",
      "accent",
      "secondary",
      "muted"
    ]
  },
  "shots": [
    {
      "id": "application-shell",
      "title": "Application shell",
      "viewport": "desktop",
      "primitives": [
        "button",
        "card",
        "input",
        "select",
        "tabs",
        "badge",
        "separator",
        "table"
      ],
      "composition": "A real product workspace with navigation, summary cards, filtering controls, and one dense content region.",
      "mustShow": [
        "primary and secondary actions",
        "card hierarchy",
        "filterable state",
        "table or list density"
      ],
      "avoid": [
        "component inventory walls",
        "placeholder-only content",
        "generic rounded SaaS chrome"
      ],
      "scene": {
        "eyebrow": "workspace spread",
        "headline": "Liu Bai Void launch room",
        "description": "A product team workspace where navigation, filters, metrics, and dense rows carry the language's visible structure.",
        "primaryAction": "Apply theme",
        "secondaryAction": "Review states",
        "stats": [
          {
            "label": "components",
            "value": "16",
            "tone": "accent"
          },
          {
            "label": "states",
            "value": "ready"
          },
          {
            "label": "density",
            "value": "balanced",
            "tone": "warning"
          }
        ],
        "rows": [
          {
            "label": "Primary flow",
            "value": "mapped",
            "status": "active"
          },
          {
            "label": "Token coverage",
            "value": "semantic",
            "status": "synced"
          },
          {
            "label": "Responsive proof",
            "value": "queued",
            "status": "review"
          }
        ],
        "statuses": [
          "Active",
          "Synced",
          "Draft"
        ]
      }
    },
    {
      "id": "detail-editor",
      "title": "Detail editor",
      "viewport": "tablet",
      "primitives": [
        "button",
        "card",
        "input",
        "textarea",
        "select",
        "checkbox",
        "switch",
        "slider",
        "dialog",
        "sheet"
      ],
      "composition": "A focused editing flow with form fields, validation, confirmation, and a contextual side panel.",
      "mustShow": [
        "focus ring",
        "error or destructive state",
        "dialog or sheet treatment",
        "written guidance content"
      ],
      "avoid": [
        "unstyled browser controls",
        "floating cards inside cards",
        "missing labels"
      ],
      "scene": {
        "eyebrow": "editing flow",
        "headline": "Language recipe editor",
        "description": "A focused form proving labels, validation, toggles, panel rhythm, and action hierarchy.",
        "primaryAction": "Save recipe",
        "secondaryAction": "Open sheet",
        "fields": [
          {
            "label": "Component family",
            "value": "Narrative cards"
          },
          {
            "label": "State treatment",
            "value": "Visible focus + validation"
          },
          {
            "label": "Motion",
            "value": "Small lift, no opacity-only fade"
          }
        ],
        "statuses": [
          "Focus",
          "Invalid",
          "Confirmed"
        ]
      }
    },
    {
      "id": "data-operations",
      "title": "Data operations",
      "viewport": "mobile",
      "primitives": [
        "button",
        "tabs",
        "badge",
        "dropdown-menu",
        "table",
        "tooltip",
        "separator"
      ],
      "composition": "A compact operational view proving row rhythm, stacked actions, menu states, badges, and empty/destructive states.",
      "mustShow": [
        "responsive reflow",
        "dense row styling",
        "menu affordance",
        "status badge system"
      ],
      "avoid": [
        "desktop-only tables",
        "text overflow",
        "default shadcn spacing without Katagami character"
      ],
      "scene": {
        "eyebrow": "operations",
        "headline": "Compact review queue",
        "description": "A narrow viewport scene with rows, menus, tooltips, badges, and destructive affordances.",
        "primaryAction": "Resolve",
        "secondaryAction": "Filter",
        "rows": [
          {
            "label": "Button hierarchy",
            "value": "approved",
            "status": "ok"
          },
          {
            "label": "Table rhythm",
            "value": "needs pass",
            "status": "watch"
          },
          {
            "label": "Empty state",
            "value": "designed",
            "status": "done"
          }
        ],
        "statuses": [
          "Queued",
          "Blocked",
          "Done"
        ]
      }
    }
  ],
  "componentRecipes": [
    {
      "primitive": "button",
      "intent": "Prove action hierarchy, focus, disabled, and destructive states."
    },
    {
      "primitive": "card",
      "intent": "Carry the language surface, border, elevation, and density rules."
    },
    {
      "primitive": "input",
      "intent": "Show labels, focus rings, validation, and spacing rhythm."
    },
    {
      "primitive": "textarea",
      "intent": "Show longer guidance, validation copy, and writing density."
    },
    {
      "primitive": "select",
      "intent": "Show filtering, selection contrast, and menu trigger styling."
    },
    {
      "primitive": "dialog",
      "intent": "Show centered decision states and overlay treatment."
    },
    {
      "primitive": "sheet",
      "intent": "Show contextual side panels and responsive editing."
    },
    {
      "primitive": "tabs",
      "intent": "Show navigational structure and active/inactive contrast."
    },
    {
      "primitive": "badge",
      "intent": "Show compact status vocabulary and semantic colors."
    },
    {
      "primitive": "separator",
      "intent": "Show section rhythm without generic gray dividers."
    },
    {
      "primitive": "checkbox",
      "intent": "Show binary selection with visible focus and checked states."
    },
    {
      "primitive": "switch",
      "intent": "Show settings toggles and on/off contrast."
    },
    {
      "primitive": "slider",
      "intent": "Show numeric adjustment with track/thumb styling."
    },
    {
      "primitive": "tooltip",
      "intent": "Show concise explanation styling above compact controls."
    },
    {
      "primitive": "dropdown-menu",
      "intent": "Show action menus, destructive items, and grouped choices."
    },
    {
      "primitive": "table",
      "intent": "Show dense operational data, separators, row states, and responsive behavior."
    }
  ],
  "qualityRules": {
    "do": [
      "Leave at least 70% of the viewport as intentional void",
      "Use typography scale (1.414) to create clear visual strata without other cues",
      "Place the red accent sparingly — maximum twice per screen, like a seal on a painting",
      "Use sharp 0px border-radius everywhere — precision over friendliness",
      "Separate sections with a single 1px rule at 8% opacity",
      "Let content breathe with 64-128px between major elements",
      "Use opacity transitions only (200ms) — no spatial movement",
      "Center content in a narrow column (max 640px) with vast flanking margins",
      "Use Noto Serif SC for headings to honor the cultural lineage",
      "Embrace empty states — void is not an error, it is the natural condition"
    ],
    "dont": [
      "Never use border-radius — all corners must be sharp",
      "Never fill available space — leave it deliberately empty",
      "Never use color for hierarchy — ink black and stone gray only",
      "Never add decorative elements, icons, or illustrations where typography suffices",
      "Never use spatial animations (slides, scales, bounces) — opacity only",
      "Never stack dividers or use thick borders",
      "Never add shadows beyond the barely-perceptible (0.03 opacity max)",
      "Never crowd elements — minimum 64px between unrelated items",
      "Never use the accent red for large areas — it is a dot, a stamp, a mark",
      "Never center-align body text — left-aligned for reading, centered only for single-line display headings"
    ]
  }
}