import { UiClass } from '@ggui-ai/protocol';
export { classifyUi as classifyUiSource } from '@ggui-ai/protocol';
import { UiManifest } from '@ggui-ai/project-config';
export { contentHash } from '@ggui-ai/protocol/content-hash';

/**
 * AUTO-GENERATED from @ggui-ai/design JSDoc.
 * Do not edit manually. Run: pnpm --filter @ggui-ai/design generate:docs
 */
declare const PRIMITIVES_DOCUMENTATION = "# ggui Primitives & Design System Reference\n\n> You are a world-class UI engineer working with ggui's component library for the first time.\n> This reference documents every available component, prop, and convention.\n> Components handle theming automatically via built-in variants \u2014 pick the right variant and the theme does the rest.\n> For custom styling beyond variants, use CSS variables: var(--ggui-*, fallback).\n\n## Primitives\n\nImport: `import { Component } from '@ggui-ai/design'`\n\n### Container\n\nContainer -- Width-constrained wrapper that centers content horizontally.\n\nRenders a `<div>` with `width: 100%` and a `maxWidth` constraint.\nWhen `center` is true (the default), applies `margin: 0 auto`.\nNo background, border, or shadow -- use Card for visual containment.\n\nCSS variables used: none (pure layout primitive).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| maxWidth | `'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| '3xl' \\| 'full' \\| string` | `'lg'` | Maximum width constraint. Accepts a preset token or any CSS width string. - `'xs'` -- 320px - `'sm'` -- 480px - `'md'` -- 640px - `'lg'` -- 768px - `'xl'` -- 1024px - `'2xl'` -- 1280px - `'3xl'` -- 1536px - `'full'` -- 100%  Custom strings (e.g., `'900px'`, `'60ch'`) are passed through as-is. |\n| center | `boolean` | `true` | Whether to center the container horizontally via `margin: 0 auto`. |\n| padding | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `undefined (no padding)` | Padding applied to all sides. Prefer a spacing-scale name (`'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl'`) \u2014 each resolves to the matching `--ggui-spacing-*` token. A number is treated as pixels; any other string is passed through as a raw CSS value. |\n\n**Example:**\n```tsx\n<Container maxWidth=\"xl\" padding=\"var(--ggui-spacing-6)\">\n  <Stack gap=\"var(--ggui-spacing-4)\">\n    <Heading level={1}>Dashboard</Heading>\n    <Card shadow=\"md\" padding=\"var(--ggui-spacing-5)\">\n      <Text>Welcome back!</Text>\n    </Card>\n  </Stack>\n</Container>\n```\n\n### Card\n\nCard -- Container with background, shadow, and optional border.\n\nRenders a `<div>` with:\n- Background: `var(--ggui-color-surface)`\n- Border (when enabled): `1px solid var(--ggui-color-outlineVariant)`\n- Shadow and radius controlled by design tokens via CSS variables.\n- No built-in transitions.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| padding | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `'lg'` | Padding applied to all sides. Prefer a spacing-scale name (`'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl'`) \u2014 each resolves to the matching `--ggui-spacing-*` token. A number is treated as pixels; any other string is passed through as a raw CSS value. |\n| shadow | `'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl'` | `'sm'` | Shadow elevation level. Maps to design tokens: - `'none'` -- no shadow - `'sm'` -- var(--ggui-shape-shadow-sm, 0 1px 2px 0 rgba(0,0,0,0.05)) -- subtle, default - `'md'` -- var(--ggui-shape-shadow-md, 0 4px 6px -1px rgba(0,0,0,0.1)) -- dialogs, emphasized sections - `'lg'` -- var(--ggui-shape-shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1)) -- floating panels - `'xl'` -- var(--ggui-shape-shadow-xl, 0 20px 25px -5px rgba(0,0,0,0.1)) -- popovers, modals |\n| border | `boolean` | `true` | Whether to render a 1px border using `var(--ggui-color-outlineVariant)`. |\n| radius | `'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| number \\| string` | `'lg'` | Corner radius. Prefer a radius-scale name (`'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl'`) \u2014 each resolves to the matching `--ggui-shape-radius-*` token. A number is treated as pixels; any other string is passed through as a raw CSS value. |\n| surface | `'default' \\| 'elevated' \\| 'sunken' \\| 'accent' \\| 'inverted' \\| 'transparent'` | `'default'` | Semantic surface slot. Same vocabulary as ; see that prop's docs for the full slot table. Default Card surface is `'default'` (the active theme's `--ggui-color-surface`); pair with `shadow=\"md\"\\|\"lg\"` for elevated cards, or use `'inverted'` for a dark testimonial-style card on a light theme. |\n\n**Example:**\n```tsx\n<Card shadow=\"md\" padding=\"lg\" radius=\"lg\">\n  <Stack gap=\"md\">\n    <Text size=\"sm\" weight=\"medium\">Settings</Text>\n    <Input label=\"Name\" value={name} onChange={setName} />\n    <Button variant=\"primary\">Save</Button>\n  </Stack>\n</Card>\n```\n\n### Stack\n\nStack -- Flexbox layout primitive for arranging children along a single axis.\n\nRenders a `<div>` with `display: flex`. Default layout is vertical (column).\nAll flex shorthand values (`align`, `justify`, `wrap`) are abstracted into\nsemantic prop names.\n\nCSS variables used: none (pure layout primitive).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| direction | `'vertical' \\| 'horizontal'` | `'vertical'` | Main axis direction. - `'vertical'` -- `flex-direction: column` - `'horizontal'` -- `flex-direction: row` |\n| gap | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `'sm'` | Gap between children. Prefer a spacing-scale name (`'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl'`) \u2014 each resolves to the matching `--ggui-spacing-*` token. A number is treated as pixels; any other string is passed through as a raw CSS value. |\n| align | `'start' \\| 'center' \\| 'end' \\| 'stretch'` | `'stretch'` | Cross-axis alignment (maps to `align-items`). - `'start'` -- flex-start - `'center'` -- center - `'end'` -- flex-end - `'stretch'` -- stretch (children fill cross-axis) |\n| justify | `'start' \\| 'center' \\| 'end' \\| 'between' \\| 'around' \\| 'evenly'` | `'start'` | Main-axis content distribution (maps to `justify-content`). - `'start'` -- flex-start - `'center'` -- center - `'end'` -- flex-end - `'between'` -- space-between - `'around'` -- space-around - `'evenly'` -- space-evenly |\n| wrap | `boolean` | `false` | Whether children wrap to the next line when they overflow. Maps to `flex-wrap: wrap` when true. |\n\n**Example:**\n```tsx\n<Stack gap=\"lg\" align=\"center\">\n  <Heading level={2}>Profile</Heading>\n  <Text>Edit your account details below.</Text>\n  <Stack direction=\"horizontal\" gap=\"sm\" justify=\"end\">\n    <Button variant=\"ghost\">Cancel</Button>\n    <Button variant=\"primary\">Save</Button>\n  </Stack>\n</Stack>\n```\n\n### Grid\n\nGrid -- 2-D layout primitive. Arranges children into rows AND\ncolumns; reach for it when Stack/Row's single-axis flow isn't\nenough (card galleries, dashboards, stat grids).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| columns | `number \\| ResponsiveColumns` | `2` | Column count. Three forms: - a number \u2014 that many equal columns at every width (`columns={3}`); - a  map \u2014 explicit counts per breakpoint   (`columns={{ base: 1, md: 3 }}` = 1 column on mobile, 3 from `md`).   Use this when the request names exact per-breakpoint counts   (\"3 per row on desktop, 1 on mobile\"). Ignored entirely when `minColumnWidth` is set. |\n| gap | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `'md'` | Gap between cells. Prefer a spacing-scale name (`'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl'`); a number is pixels. |\n| minColumnWidth | `number \\| string` | `undefined (use `columns`)` | When set, the grid becomes responsive \u2014 it fits as many equal columns as possible, each at least this wide, and `columns` is ignored. A number is treated as pixels. |\n\n**Example:**\n```tsx\n<Grid columns={3} gap=\"md\">\n  {items.map((it) => <Card key={it.id}>{it.name}</Card>)}\n</Grid>\n```\n\n### Skeleton\n\nSkeleton -- a pulsing placeholder for content that has not loaded\nyet. ggui UIs are agent-driven (props arrive late, streams start\nempty), so a loading frame is the rule \u2014 render `Skeleton` instead\nof a blank screen or a hand-rolled pulsing `<div>`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| variant | `'rect' \\| 'text' \\| 'circle'` | `'rect'` | Shape preset. - `'rect'` -- a block (default); pair with `width` / `height`. - `'text'` -- a single text line (height ~1em). - `'circle'` -- equal width/height, fully rounded (avatar slot). |\n| width | `number \\| string` | - | Width. A number is pixels. Defaults to `100%` (`2.5rem` for circle). |\n| height | `number \\| string` | - | Height. A number is pixels. Defaults by variant when unset. |\n| radius | `'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| number \\| string` | `'sm'` | Corner radius. Prefer a radius-scale name. Ignored for `variant=\"circle\"` (always fully round). |\n\n**Example:**\n```tsx\n{user === undefined\n  ? <Skeleton variant=\"text\" width=\"40%\" />\n  : <Text>{user.name}</Text>}\n```\n\n### Box\n\nBox -- Generic container with padding, margin, background, and border-radius.\n\nRenders a plain `<div>`. Unlike Card, Box has no default background, shadow,\nor border -- it is a blank canvas for custom styling. Use it for layout\nspacing, colored sections, or wrapping arbitrary content.\n\nWhen both `paddingX`/`paddingY` and `padding` are provided, the axis-specific\nprops take precedence and `padding` is ignored.\n\nCSS variables used: none (all values are passed through directly).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| padding | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `undefined (no padding)` | Padding applied to all four sides. Prefer a spacing-scale name (`'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl'`) \u2014 each resolves to the matching `--ggui-spacing-*` token. A number is treated as pixels; any other string is passed through as a raw CSS value. Ignored when `paddingX` or `paddingY` is set. |\n| paddingX | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `undefined` | Horizontal (left + right) padding. Accepts a spacing-scale name, a pixel number, or a raw CSS string \u2014 see . When set alongside `paddingY`, they combine into a shorthand `padding: {Y} {X}`. When set without `paddingY`, vertical padding defaults to 0. |\n| paddingY | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `undefined` | Vertical (top + bottom) padding. Accepts a spacing-scale name, a pixel number, or a raw CSS string \u2014 see . When set alongside `paddingX`, they combine into a shorthand `padding: {Y} {X}`. When set without `paddingX`, horizontal padding defaults to 0. |\n| margin | `'none' \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| '2xl' \\| number \\| string` | `undefined (no margin)` | Margin applied to all four sides. Accepts a spacing-scale name, a pixel number, or a raw CSS string \u2014 see . |\n| surface | `'default' \\| 'elevated' \\| 'sunken' \\| 'accent' \\| 'inverted' \\| 'transparent'` | `undefined (transparent)` | Semantic surface slot. Picks the right `var(--ggui-color-*)` background token from the active theme. The ONLY way to set a theme-tracking background fill on Box.  Available slots: - `'default'` \u2014 base container surface (most common) - `'elevated'` \u2014 same fill, intended to be paired with shadow   (use Card.shadow for actual elevation) - `'sunken'` \u2014 recessed / inset region (`surfaceVariant` token) - `'accent'` \u2014 highlighted / branded fill (`primary-50` token) - `'inverted'` \u2014 dark surface in light mode, light in dark   (testimonials, code-snippet cards). Pair with    `'inverse'` for legible text. - `'transparent'` \u2014 explicit \"no fill\"  For non-theme-mapped brand colors (e.g. a partner's exact brand hex like Stripe purple) use the  escape \u2014 every other hex / rgba on Box is rejected by tier-0 self-check. |\n| assetColor | `string` | `undefined` | Asset color escape \u2014 the typed valve for legitimate non-theme color values (a partner's exact brand hex, a fixed product surface, etc.). Renders as the Box background.  **MUST be paired with .** The semantic name is human-readable documentation of why this color bypasses the theme \u2014 e.g. `\"stripe-brand-purple\"`, `\"slack-aubergine\"`. Tier-0 self-check allows hex / rgba inside `assetColor` ONLY when `assetSemantic` is a non-empty string; one without the other fails the check.  Reach for `surface` first. This escape exists for the small set of cases where the operator's theme MUST NOT override the value (brand identity rendering). |\n| assetSemantic | `string` | `undefined` | Human-readable semantic label that documents why  bypasses the theme. Required when `assetColor` is set; tier-0 self-check rejects empty strings or a missing `assetSemantic` next to a hex `assetColor`.  Examples: `\"stripe-brand-purple\"`, `\"slack-aubergine\"`, `\"partner-logo-orange\"`. Pure documentation \u2014 no rendering effect. |\n| radius | `'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| number \\| string` | `undefined (no rounding)` | Corner radius. Prefer a radius-scale name (`'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl'`) \u2014 each resolves to the matching `--ggui-shape-radius-*` token. A number is treated as pixels; any other string is passed through as a raw CSS value. |\n\n**Example:**\n```tsx\n<Box paddingX=\"xl\" paddingY=\"lg\" surface=\"accent\" radius=\"lg\">\n  <Text size=\"sm\" tone=\"emphasized\">\n    Tip: You can customize your theme in Settings.\n  </Text>\n</Box>\n```\n\n### Divider\n\nDivider -- A 1px line to visually separate content sections.\n\nRenders an `<hr>` (horizontal) or `<div>` (vertical) with `role=\"separator\"`.\n- Horizontal: 1px tall, full width, with vertical margin.\n- Vertical: 1px wide, stretches to parent height via `align-self: stretch`,\n  with horizontal margin. Works best inside a horizontal Stack or Row.\n\nDefault color: `var(--ggui-color-outlineVariant)`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| orientation | `'horizontal' \\| 'vertical'` | `'horizontal'` | Line direction. - `'horizontal'` -- renders `<hr>`, full width, 1px height, margin top/bottom - `'vertical'` -- renders `<div>`, 1px width, `align-self: stretch`, margin left/right |\n| margin | `number \\| string` | `16` | Spacing around the divider. Numbers are treated as pixels. Applied as vertical margin for horizontal dividers, horizontal margin for vertical. |\n| tone | `\\| 'default'     \\| 'muted'     \\| 'subtle'     \\| 'emphasized'     \\| 'loud'     \\| 'success'     \\| 'warning'     \\| 'error'     \\| 'info'     \\| 'inverse'     \\| 'inherit'` | `undefined (uses `var(--ggui-color-outlineVariant)`)` | Semantic color slot. Same vocabulary as ; the theme decides what each tone LOOKS like. Defaults to a quiet outline-variant tint when unset (independent of the tone slots). |\n\n**Example:**\n```tsx\n<Stack gap={0}>\n  <Text>Section A</Text>\n  <Divider margin=\"var(--ggui-spacing-3)\" />\n  <Text>Section B</Text>\n</Stack>\n```\n\n### Spacer\n\nSpacer -- Invisible spacing element, either fixed-size or flexible.\n\nRenders an empty `<div>`.\n- Fixed mode (number): sets both `width` and `height` to the given pixel\n  value with `flex-shrink: 0`, creating rigid spacing in any direction.\n- Flex mode (`'flex'`): sets `flex: 1`, expanding to fill remaining space\n  in a flex container. Useful for pushing siblings apart.\n\nCSS variables used: none.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| size | `number \\| 'flex'` | `16` | Spacing amount. - Number: fixed square spacer (width and height in pixels, `flex-shrink: 0`). - `'flex'`: expands to fill available space (`flex: 1`). |\n\n**Example:**\n```tsx\n<Stack direction=\"horizontal\" align=\"center\">\n  <Heading level={3}>Logo</Heading>\n  <Spacer size=\"flex\" />\n  <Button variant=\"ghost\">Login</Button>\n</Stack>\n```\n\n### Text\n\nText -- Versatile typography primitive for body copy, captions, and labels.\n\nRenders as `<p>` by default (configurable via `is`). Typography is\ncomposed from three orthogonal axes: `size` (font size, with a\nmatching line-height built in), `weight`, and `tone` (semantic\ncolor). `caps` adds the uppercase, letter-spaced treatment for tiny\nsection labels (the classic overline/eyebrow look).\n\nDefault text color: `var(--ggui-color-onSurface)`.\nAll text renders with `margin: 0` (no default paragraph spacing).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| size | `'xs' \\| 'sm' \\| 'base' \\| 'lg' \\| 'xl' \\| '2xl' \\| '3xl' \\| '4xl'` | `'base'` | Font size. Maps to CSS variables with pixel fallbacks; each size carries a matching line-height (1.5 for `xs`--`base`, 1.625 for `lg`, then tightening on display sizes: 1.375 at `xl`, 1.25 from `2xl` up): - `'xs'` -- var(--ggui-font-size-xs) (12px) - `'sm'` -- var(--ggui-font-size-sm) (14px) - `'base'` -- var(--ggui-font-size-base) (16px) - `'lg'` -- var(--ggui-font-size-lg) (18px) - `'xl'` -- var(--ggui-font-size-xl) (20px) - `'2xl'` -- var(--ggui-font-size-2xl) (24px) - `'3xl'` -- var(--ggui-font-size-3xl) (30px) - `'4xl'` -- var(--ggui-font-size-4xl) (36px) |\n| weight | `'normal' \\| 'medium' \\| 'semibold' \\| 'bold'` | `'normal'` | Font weight. Maps to CSS variables with numeric fallbacks: - `'normal'` -- var(--ggui-font-weight-normal) - `'medium'` -- var(--ggui-font-weight-medium) - `'semibold'` -- var(--ggui-font-weight-semibold) - `'bold'` -- var(--ggui-font-weight-bold) |\n| caps | `boolean` | `false` | When true, uppercases the text and adds 0.05em letter-spacing -- the eyebrow/overline treatment for tiny section labels. Pair with `size=\"xs\" weight=\"semibold\" tone=\"muted\"`. |\n| tone | `\\| 'default'     \\| 'muted'     \\| 'subtle'     \\| 'emphasized'     \\| 'loud'     \\| 'success'     \\| 'warning'     \\| 'error'     \\| 'info'     \\| 'inverse'     \\| 'inherit'` | `'default' (var(--ggui-color-onSurface))` | Semantic color slot. Picks the right `var(--ggui-color-*)` token from the active theme. The theme decides what each tone LOOKS like \u2014 `'muted'` is a quiet warm grey on Claudic, a cool slate on Indigo, dim cyan on Neon-Noir. Components that use `tone` track the operator's theme switch automatically.  Available slots: `'default'` (primary body text), `'muted'` (secondary / metadata), `'subtle'` (very-low-emphasis hint), `'emphasized'` (branded accent), `'loud'` (strongest accent), `'success'` / `'warning'` / `'error'` / `'info'` (status text), `'inverse'` (text on dark surface), `'inherit'` (parent's color).  `tone` is the ONLY way to set a Text color. The legacy `color?: string` escape was retired \u2014 raw color strings bypass theming and silently override the operator's preset. |\n| align | `'left' \\| 'center' \\| 'right'` | `undefined (inherits from parent)` | Horizontal text alignment. Maps directly to `text-align`. |\n| truncate | `boolean` | `false` | When true, clips overflowing text with an ellipsis. Applies `overflow: hidden`, `text-overflow: ellipsis`, and `white-space: nowrap`. |\n| is | `'p' \\| 'span' \\| 'div' \\| 'label'` | `'p'` | HTML element to render. Choose based on semantic context: - `'p'` -- paragraph (default, block-level) - `'span'` -- inline text within a sentence - `'div'` -- generic block container - `'label'` -- form label (pair with `htmlFor`) |\n| id | `string` | - | `id` for the rendered element \u2014 anchor an in-page link, or pair with a form control's `aria-labelledby`. |\n| htmlFor | `string` | - | Associates an `is=\"label\"` element with a form control by the control's `id`. Only meaningful when `is=\"label\"`. |\n\n**Example:**\n```tsx\n<Stack gap=\"var(--ggui-spacing-1)\">\n  <Text size=\"xs\" weight=\"semibold\" caps tone=\"muted\">Account</Text>\n  <Text size=\"lg\">Welcome back, Jane.</Text>\n  <Text size=\"xs\" tone=\"muted\">\n    Last login: 2 hours ago\n  </Text>\n</Stack>\n```\n\n### Heading\n\nHeading -- Semantic heading element (h1-h6) with preset typography styles.\n\nRenders the corresponding `<h1>`-`<h6>` HTML element based on `level`.\nEach level has a preset font size, weight, line height, and letter spacing\nfrom the heading typography tokens:\n- Level 1: 36px / bold / 1.25 line-height / -0.025em tracking\n- Level 2: 30px / bold / 1.25 line-height / -0.025em tracking\n- Level 3: 24px / semibold / 1.375 line-height / 0em tracking\n- Level 4: 20px / semibold / 1.375 line-height / 0em tracking\n- Level 5: 18px / semibold / 1.5 line-height / 0em tracking\n- Level 6: 16px / semibold / 1.5 line-height / 0em tracking\n\nDefault text color: `var(--ggui-color-onSurface)`.\nAll headings render with `margin: 0` (no default heading spacing).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| level | `1 \\| 2 \\| 3 \\| 4 \\| 5 \\| 6` | `2` | Semantic heading level. Determines both the HTML element (`<h1>`-`<h6>`) and the preset typography style. |\n| tone | `\\| 'default'     \\| 'muted'     \\| 'subtle'     \\| 'emphasized'     \\| 'loud'     \\| 'success'     \\| 'warning'     \\| 'error'     \\| 'info'     \\| 'inverse'     \\| 'inherit'` | `'default' (var(--ggui-color-onSurface))` | Semantic color slot. Same vocabulary as ; see that prop's docs for the full slot table. `tone` is the ONLY way to set a Heading color \u2014 the legacy `color?: string` escape was retired so the operator's theme always wins. |\n| align | `'left' \\| 'center' \\| 'right'` | `undefined (inherits from parent)` | Horizontal text alignment. Maps directly to `text-align`. |\n\n**Example:**\n```tsx\n<Stack gap=\"var(--ggui-spacing-2)\">\n  <Heading level={1}>Page Title</Heading>\n  <Heading level={3} tone=\"emphasized\">\n    Subsection\n  </Heading>\n  <Text>Body content goes here.</Text>\n</Stack>\n```\n\n### Button\n\nButton -- A clickable button primitive with multiple visual variants and sizes.\n\nRenders a native `<button>` element styled with inline CSS derived from design-token\nCSS variables. Supports a loading spinner, left/right icon slots, and a cross-platform\n`onPress` alias for `onClick`.\n\nBase styles applied to every variant:\n- `border-radius: var(--ggui-shape-radius-md)`\n- `font-weight: var(--ggui-font-weight-medium)`\n- `box-shadow: var(--ggui-shape-shadow-sm, 0 1px 2px rgba(0,0,0,0.05))`\n- `gap: var(--ggui-spacing-2)` between icon and text\n- Transitions: background-color, box-shadow, opacity at 200ms ease-in-out\n\nDisabled or loading: `opacity: 0.5`, `cursor: not-allowed`, click handler suppressed.\n\nAlso extends native `ButtonHTMLAttributes` (except `style`/`className`), so props\nlike `type`, `form`, `aria-*`, and `data-*` are forwarded to the `<button>` element.\nThe `type` prop defaults to `'button'` (not `'submit'`), preventing accidental form\nsubmissions.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| variant | `'primary' \\| 'secondary' \\| 'outline' \\| 'ghost' \\| 'danger'` | `'primary'` | Visual style. Maps to CSS variables: - `'primary'` -- `var(--ggui-color-primary-600)` background, white text, no border - `'secondary'` -- `var(--ggui-color-surfaceVariant)` background, `var(--ggui-color-onSurfaceVariant)` text, no border - `'outline'` -- transparent background, `1px solid var(--ggui-color-primary-600)` border, primary-600 text - `'ghost'` -- transparent background, `var(--ggui-color-onSurfaceVariant)` text, no border - `'danger'` -- `var(--ggui-color-error-600)` background, white text, no border |\n| size | `'xs' \\| 'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls padding, font size, and minimum height: - `'xs'` -- padding `4px 8px`, font `var(--ggui-font-size-xs)`, min-height 24px - `'sm'` -- padding `6px 12px`, font `var(--ggui-font-size-sm)`, min-height 32px - `'md'` -- padding `10px 16px`, font `var(--ggui-font-size-sm)`, min-height 40px - `'lg'` -- padding `12px 24px`, font `var(--ggui-font-size-base)`, min-height 48px |\n| fullWidth | `boolean` | `false` | When true, sets `width: 100%` so the button fills its container. |\n| loading | `boolean` | `false` | When true, replaces children with a 16px `Spinner` (color: `currentColor`) and disables interaction (same effect as `disabled`). |\n| leftIcon | `ReactNode` | - | ReactNode rendered before children, inside the flex layout with `var(--ggui-spacing-2)` gap. |\n| rightIcon | `ReactNode` | - | ReactNode rendered after children, inside the flex layout with `var(--ggui-spacing-2)` gap. |\n| onPress | `() => void` | - | Alias for `onClick` for cross-platform compatibility (React Native convention). If both `onClick` and `onPress` are provided, `onClick` takes precedence. |\n\n**Example:**\n```tsx\n<Button variant=\"primary\" size=\"md\" leftIcon={<Icon name=\"save\" />} onClick={handleSave}>\n  Save Changes\n</Button>\n```\n\n### Input\n\nInput -- A single-line text input with label, validation, and helper text.\n\nRenders a `<div>` wrapper containing an optional `<label>`, a native `<input>`,\nand an optional message `<span>` for error or helper text.\n\nStyling:\n- Border: `1px solid var(--ggui-color-outline)` (normal),\n  `var(--ggui-color-error-500)` (error)\n- Background: `var(--ggui-color-surface)` (normal),\n  `var(--ggui-color-surface)` (disabled)\n- Text: `var(--ggui-color-onSurface)`\n- Border radius: `var(--ggui-shape-radius-md)`\n- Label: `var(--ggui-font-size-sm)`, `var(--ggui-font-weight-medium)`,\n  `var(--ggui-color-onSurfaceVariant)`\n- Transitions: border-color, box-shadow at 200ms ease-in-out\n\nAccessibility: auto-generated `id` links `<label>` to `<input>` via `htmlFor`.\nWhen `error` is set, `aria-invalid` is true and the message has `role=\"alert\"`.\nWhen `required` is true, a red asterisk is appended to the label.\n\nAlso extends native `InputHTMLAttributes` (except `style`, `className`, `onChange`,\n`size`), so props like `autoFocus`, `name`, `pattern`, `aria-*` are forwarded.\n\n**IMPORTANT:** `onChange` receives the string value directly, NOT a React\n`ChangeEvent`. This differs from native `<input>` behavior.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Label rendered above the input. Linked to the input via auto-generated `htmlFor`/`id`. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| placeholder | `string` | - | Placeholder text shown when the input is empty. |\n| value | `string` | - | Controlled value of the input. |\n| onChange | `(value: string) => void` | - | Change handler. Receives the new string value directly, NOT a React event. |\n| type | `'text' \\| 'email' \\| 'password' \\| 'number' \\| 'tel' \\| 'url' \\| 'search' \\| 'date' \\| 'time' \\| 'datetime-local'` | `'text'` | HTML input type. Determines browser behavior (keyboard on mobile, validation, masking). The date/time types render the browser's native, localized, keyboard-accessible picker; their `value` stays an ISO string (`'2026-07-29'`, `'14:30'`, `'2026-07-29T14:30'`) delivered through the usual value-first `onChange`. |\n| error | `string` | - | Error message displayed below the input in `var(--ggui-color-error-500)`. When set, the border turns red and the message element gets `role=\"alert\"`. Takes precedence over `helperText`. |\n| helperText | `string` | - | Helper text displayed below the input in `var(--ggui-color-onSurfaceVariant)`. Only shown when `error` is not set. |\n| required | `boolean` | `false` | When true, appends a red asterisk (`*`) to the label and sets the native `required` attribute on the `<input>`. |\n| disabled | `boolean` | `false` | When true, sets the native `disabled` attribute. Background changes to `var(--ggui-color-surface)`. |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls padding and font size: - `'sm'` -- padding `6px 10px`, font `var(--ggui-font-size-sm)` - `'md'` -- padding `10px 12px`, font `var(--ggui-font-size-sm)` - `'lg'` -- padding `12px 14px`, font `var(--ggui-font-size-base)` |\n\n**Example:**\n```tsx\n<Input label=\"Email\" type=\"email\" value={email} onChange={setEmail} error={emailError} />\n```\n\n### TextArea\n\nTextArea -- A multiline text input with label, validation, character count, and auto-resize.\n\nRenders a `<div>` wrapper containing an optional `<label>`, a native `<textarea>`,\nand a footer row with error/helper text on the left and character count on the right.\n\nStyling:\n- Padding: `10px 12px`, font: `var(--ggui-font-size-sm)`, `font-family: inherit`\n- Border: `1px solid var(--ggui-color-outline)` (normal),\n  `var(--ggui-color-error-500)` (error)\n- Background: `var(--ggui-color-surface)` (normal),\n  `var(--ggui-color-surface)` (disabled)\n- Border radius: `var(--ggui-shape-radius-md)`\n- Resize: `vertical` by default, `none` when `autoResize` is true\n- Transitions: border-color, box-shadow at 200ms ease-in-out\n\nAccessibility: same label/error linking pattern as Input (auto-generated ids,\n`aria-invalid`, `role=\"alert\"` on error message).\n\nAlso extends native `TextareaHTMLAttributes` (except `style`, `className`, `onChange`).\n\n**IMPORTANT:** `onChange` receives the string value directly, NOT a React\n`ChangeEvent`. This differs from native `<textarea>` behavior.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Label rendered above the textarea. Linked via auto-generated `htmlFor`/`id`. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| placeholder | `string` | - | Placeholder text shown when the textarea is empty. |\n| value | `string` | - | Controlled value of the textarea. |\n| onChange | `(value: string) => void` | - | Change handler. Receives the new string value directly, NOT a React event. |\n| rows | `number` | `4` | Number of visible text rows (native `rows` attribute on `<textarea>`). |\n| error | `string` | - | Error message displayed below the textarea in `var(--ggui-color-error-500)`. When set, the border turns red and the message element gets `role=\"alert\"`. Takes precedence over `helperText`. |\n| helperText | `string` | - | Helper text displayed below the textarea in `var(--ggui-color-onSurfaceVariant)`. Only shown when `error` is not set. |\n| required | `boolean` | `false` | When true, appends a red asterisk (`*`) to the label and sets the native `required` attribute on the `<textarea>`. |\n| disabled | `boolean` | `false` | When true, sets the native `disabled` attribute. Background changes to `var(--ggui-color-surface)`. |\n| maxLength | `number` | - | Maximum character length (native `maxLength` attribute). Also used as the denominator in the character count display when `showCount` is true. |\n| showCount | `boolean` | `false` | When true AND `maxLength` is set, displays a `{current}/{max}` character counter in the footer row (right-aligned, `var(--ggui-font-size-xs)`). Has no effect without `maxLength`. |\n| autoResize | `boolean` | `false` | When true, sets CSS `resize: none` on the textarea. The flag disables manual resizing to signal that external logic handles sizing. The component does NOT auto-adjust height based on content in the current implementation. |\n\n**Example:**\n```tsx\n<TextArea label=\"Bio\" value={bio} onChange={setBio} rows={6} maxLength={500} showCount />\n```\n\n### Select\n\nSelect -- A native dropdown selection primitive with label and validation.\n\nRenders a `<div>` wrapper containing an optional `<label>`, a native `<select>`\nwith custom styling, and an optional message `<span>`.\n\nThe native `<select>` has `appearance: none` with a custom chevron SVG rendered\nas a `background-image` (right-aligned, 12px, onSurfaceVariant color). Extra right\npadding (36px) accommodates the chevron.\n\nStyling:\n- Border: `1px solid var(--ggui-color-outline)` (normal),\n  `var(--ggui-color-error-500)` (error)\n- Background: `var(--ggui-color-surface)` (normal),\n  `var(--ggui-color-surface)` (disabled)\n- Text: `var(--ggui-color-onSurface)` when a value is selected,\n  `var(--ggui-color-onSurfaceVariant)` when showing placeholder\n- Border radius: `var(--ggui-shape-radius-md)`\n- Cursor: `pointer` (normal), `not-allowed` (disabled)\n- Transitions: border-color, box-shadow at 200ms ease-in-out\n\nAccessibility: auto-generated `id` links `<label>` to `<select>`.\nWhen `error` is set, `aria-invalid` is true and the message has `role=\"alert\"`.\n\nAlso extends native `SelectHTMLAttributes` (except `style`, `className`,\n`onChange`, `size`).\n\n**IMPORTANT:** `onChange` receives the selected value string directly, NOT a\nReact `ChangeEvent`. This differs from native `<select>` behavior.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Label rendered above the select. Linked via auto-generated `htmlFor`/`id`. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| value | `string` | - | Controlled value. Should match one of the `options[].value` strings. |\n| onChange | `(value: string) => void` | - | Change handler. Receives the selected option's value string directly, NOT a React event. |\n| options | `SelectOption[]` | - | Array of selectable options. Rendered as native `<option>` elements. Must contain at least one option (or use `placeholder` for an empty-state prompt). |\n| placeholder | `string` | - | Placeholder text rendered as a disabled `<option value=\"\">` at the top of the list. Shown when no value is selected. |\n| error | `string` | - | Error message displayed below the select in `var(--ggui-color-error-500)`. When set, the border turns red and the message has `role=\"alert\"`. Takes precedence over `helperText`. |\n| helperText | `string` | - | Helper text displayed below the select in `var(--ggui-color-onSurfaceVariant)`. Only shown when `error` is not set. |\n| required | `boolean` | `false` | When true, appends a red asterisk (`*`) to the label and sets the native `required` attribute. |\n| disabled | `boolean` | `false` | When true, sets the native `disabled` attribute. Background changes to `var(--ggui-color-surface)` and cursor becomes `not-allowed`. |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls padding and font size: - `'sm'` -- padding `6px 10px`, font `var(--ggui-font-size-sm)` - `'md'` -- padding `10px 12px`, font `var(--ggui-font-size-sm)` - `'lg'` -- padding `12px 14px`, font `var(--ggui-font-size-base)` |\n\n**Example:**\n```tsx\n<Select\n  label=\"Country\"\n  value={country}\n  onChange={setCountry}\n  options={[\n    { value: 'us', label: 'United States' },\n    { value: 'uk', label: 'United Kingdom' },\n  ]}\n  placeholder=\"Select a country\"\n/>\n```\n\n### Checkbox\n\nCheckbox -- A custom-styled checkbox with label and description.\n\nRenders a `<label>` wrapper containing a visually-hidden native `<input type=\"checkbox\">`\noverlaid by a custom 18x18px visual box. Supports checked, unchecked, and indeterminate\nstates, each with a distinct SVG icon (checkmark or horizontal dash).\n\nStyling:\n- Box border: `2px solid var(--ggui-color-primary-600)` (checked/indeterminate),\n  `var(--ggui-color-outline)` (unchecked)\n- Box fill: `var(--ggui-color-primary-600)` (checked/indeterminate),\n  `var(--ggui-color-surface)` (unchecked)\n- Check/dash icon: white SVG, 12x12px\n- Box radius: `var(--ggui-shape-radius-sm)`\n- Transition: all 0.2s\n- Label: `var(--ggui-font-size-sm)`, `var(--ggui-font-weight-medium)`\n- Description: `var(--ggui-font-size-xs)`, `var(--ggui-color-onSurfaceVariant)`\n- Disabled: `opacity: 0.5`, `cursor: not-allowed`\n- Gap between box and text: `var(--ggui-spacing-2)`\n\n**IMPORTANT:** `onChange` receives the boolean checked state directly, NOT a\nReact `ChangeEvent`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Primary label text rendered beside the checkbox box. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| checked | `boolean` | - | Controlled checked state. |\n| onChange | `(checked: boolean) => void` | - | Change handler. Receives the new boolean checked state directly, NOT a React event. |\n| disabled | `boolean` | `false` | When true, sets `opacity: 0.5` and `cursor: not-allowed`. The native input is also disabled, preventing keyboard and click interaction. |\n| description | `string` | - | Secondary description text rendered below the label in smaller, muted type (`var(--ggui-font-size-xs)`, `var(--ggui-color-onSurfaceVariant)`). |\n| indeterminate | `boolean` | `false` | When true, displays a horizontal dash instead of a checkmark. Used for \"select all\" states where some (but not all) children are checked. The `indeterminate` property is set via a ref on the native `<input>`. Visually identical to `checked` in terms of border and fill color. |\n\n**Example:**\n```tsx\n<Checkbox\n  label=\"Accept terms\"\n  description=\"You agree to the Terms of Service and Privacy Policy\"\n  checked={accepted}\n  onChange={setAccepted}\n/>\n```\n\n### Toggle\n\nToggle -- A switch/toggle input rendered as a pill-shaped track with a sliding knob.\n\nRenders a `<label>` wrapper with a `<div role=\"switch\">` track and an animated\ncircular knob. Does NOT use a native `<input>` -- keyboard interaction is handled\nmanually (Space and Enter keys toggle the state). The element is focusable via\n`tabIndex={0}` and shows a focus ring on focus.\n\nStyling:\n- Track (on): `var(--ggui-color-primary-600)`\n- Track (off): `var(--ggui-color-outline)`\n- Knob: white circle with `var(--ggui-shape-shadow-sm)`\n- Focus ring: `0 0 0 3px var(--ggui-color-primary-200)`\n- Transitions: background-color, box-shadow, knob position at 200ms ease-in-out\n- Disabled: `opacity: 0.5`, `cursor: not-allowed`, `tabIndex: -1`\n- Gap between toggle and label: `var(--ggui-spacing-2)`\n\n**IMPORTANT:** `onChange` receives the new boolean state directly (inverted from\ncurrent), NOT a React event.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Label text rendered to the right of the toggle track. Also used as `aria-label` on the switch element. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| checked | `boolean` | - | Controlled checked (on/off) state. |\n| onChange | `(checked: boolean) => void` | - | Change handler. Receives the new boolean state directly (i.e., `!checked`), NOT a React event. |\n| disabled | `boolean` | `false` | When true, sets `opacity: 0.5`, `cursor: not-allowed`, and removes the element from tab order (`tabIndex: -1`). Click and keyboard handlers are suppressed. |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls track and knob dimensions: - `'sm'` -- track 36x20px, knob 16px diameter - `'md'` -- track 44x24px, knob 20px diameter - `'lg'` -- track 52x28px, knob 24px diameter |\n\n**Example:**\n```tsx\n<Toggle label=\"Enable notifications\" checked={enabled} onChange={setEnabled} size=\"md\" />\n```\n\n### RadioGroup\n\nRadioGroup -- A group of mutually exclusive radio options with optional label and error.\n\nRenders a `<div role=\"radiogroup\">` containing a label span, a flex container of\nradio options, and an optional error message. Each option is a `<label>` with a\nvisually-hidden native `<input type=\"radio\">` and a custom 18px circle indicator.\n\nStyling:\n- Selected circle: `2px solid var(--ggui-color-primary-600)` border with\n  an 8px `var(--ggui-color-primary-600)` filled inner dot\n- Unselected circle: `2px solid var(--ggui-color-outline)` border,\n  `var(--ggui-color-surface)` fill\n- Circle radius: `var(--ggui-shape-radius-full)`\n- Transition: all 0.2s\n- Vertical gap: `var(--ggui-spacing-2)`, horizontal gap: `var(--ggui-spacing-4)`\n- Error: `var(--ggui-font-size-xs)`, `var(--ggui-color-error-500)`,\n  `role=\"alert\"`\n- Disabled options: `opacity: 0.5`, `cursor: not-allowed`\n\nAccessibility: the group has `role=\"radiogroup\"` with `aria-labelledby` pointing\nto the label and `aria-describedby` pointing to the error message (when present).\nAll radio inputs share a common auto-generated `name` attribute.\n\n**IMPORTANT:** `onChange` receives the selected option's value string directly,\nNOT a React `ChangeEvent`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Group label rendered above the options. Used as `aria-labelledby` target on the `role=\"radiogroup\"` container. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| value | `string` | - | Controlled value. Should match one of `options[].value`. |\n| onChange | `(value: string) => void` | - | Change handler. Receives the newly selected option's value string directly, NOT a React event. |\n| options | `RadioOption[]` | - | Array of radio options. Must contain at least two options for meaningful selection. |\n| direction | `'vertical' \\| 'horizontal'` | `'vertical'` | Layout direction for the options container: - `'vertical'` -- column layout, `var(--ggui-spacing-2)` gap - `'horizontal'` -- row layout with `flex-wrap: wrap`, `var(--ggui-spacing-4)` gap |\n| disabled | `boolean` | `false` | When true, disables ALL options (individual `RadioOption.disabled` is additive). Each option gets `opacity: 0.5` and `cursor: not-allowed`. |\n| error | `string` | - | Error message displayed below all options in `var(--ggui-color-error-500)` with `role=\"alert\"`. Linked to the radiogroup via `aria-describedby`. |\n\n**Example:**\n```tsx\n<RadioGroup\n  label=\"Plan\"\n  value={plan}\n  onChange={setPlan}\n  options={[\n    { value: 'free', label: 'Free', description: 'Up to 5 projects' },\n    { value: 'pro', label: 'Pro', description: 'Unlimited projects' },\n  ]}\n/>\n```\n\n### Slider\n\nSlider -- A range input with a custom-styled track, fill, and thumb.\n\nRenders a `<div>` wrapper containing an optional label/value header, and a\ntrack area with three layers: background track, colored fill, and a circular\nthumb. A native `<input type=\"range\">` is overlaid with `opacity: 0` to\nprovide accessible keyboard and pointer interaction.\n\nStyling:\n- Track: 6px tall, `var(--ggui-color-outlineVariant)` background, `border-radius: 3px`\n- Fill: `var(--ggui-color-primary-600)` (normal),\n  `var(--ggui-color-outline)` (disabled)\n- Thumb: 20px white circle with `2px solid var(--ggui-color-primary-600)`,\n  `var(--ggui-shape-shadow-sm)`; disabled border uses outline\n- Value display (when `showValue`): `var(--ggui-color-primary-600)`,\n  `var(--ggui-font-size-sm)`, right-aligned in the header row\n- Fill and thumb transitions: 0.1s for smooth dragging\n\nAccessibility: the native `<input type=\"range\">` carries `aria-valuenow`,\n`aria-valuemin`, `aria-valuemax`, and is linked to the label via `aria-labelledby`.\nFalls back to `aria-label=\"Slider\"` when no label is provided.\n\n**IMPORTANT:** `onChange` receives the numeric value directly, NOT a React\n`ChangeEvent`. The value is coerced via `Number(e.target.value)`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Label rendered above the slider track (left-aligned). Used as `aria-labelledby` target on the native range input. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| value | `number` | `0` | Controlled numeric value. Must be between `min` and `max`. |\n| onChange | `(value: number) => void` | - | Change handler. Receives the new numeric value directly, NOT a React event. |\n| min | `number` | `0` | Minimum allowed value. |\n| max | `number` | `100` | Maximum allowed value. |\n| step | `number` | `1` | Step increment for the slider. Determines the granularity of selectable values. |\n| disabled | `boolean` | `false` | When true, sets `cursor: not-allowed` on the native input. The fill color changes to `var(--ggui-color-outline)` and the thumb border also uses outline. |\n| showValue | `boolean` | `false` | When true, displays the current numeric value right-aligned in the header row (beside the label) in `var(--ggui-color-primary-600)`. |\n\n**Example:**\n```tsx\n<Slider label=\"Volume\" value={volume} onChange={setVolume} min={0} max={100} step={5} showValue />\n```\n\n### Badge\n\nBadge -- Inline label for status indicators, counts, or categories.\n\nRenders a `<span>` with `display: inline-flex`, centered content, and\n`white-space: nowrap`. Semantic variant colors use background/text pairings\nfrom the 100/700 color scale. Pill shape uses `border-radius: 9999px`;\nnon-pill uses `var(--ggui-shape-radius-sm)`.\n\nFont weight: `var(--ggui-font-weight-medium)` across all variants.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| variant | `'default' \\| 'primary' \\| 'secondary' \\| 'success' \\| 'warning' \\| 'error' \\| 'info'` | `'default'` | Visual style. Maps to background/text color pairings: - `'default'` -- bg `var(--ggui-color-surfaceVariant)`, text `var(--ggui-color-onSurfaceVariant)` - `'primary'` -- bg `var(--ggui-color-primary-100)`, text `var(--ggui-color-primary-700)` - `'secondary'` -- bg `var(--ggui-color-outlineVariant)`, text `var(--ggui-color-onSurface)` - `'success'` -- bg `var(--ggui-color-success-100)`, text `var(--ggui-color-success-700)` - `'warning'` -- bg `var(--ggui-color-warning-100)`, text `var(--ggui-color-warning-700)` - `'error'` -- bg `var(--ggui-color-error-100)`, text `var(--ggui-color-error-700)` - `'info'` -- bg `var(--ggui-color-info-100)`, text `var(--ggui-color-info-700)` |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls padding and font size: - `'sm'` -- padding `2px 6px`, font `var(--ggui-font-size-xs)` - `'md'` -- padding `2px 8px`, font `var(--ggui-font-size-xs)` - `'lg'` -- padding `4px 10px`, font `var(--ggui-font-size-sm)` |\n| pill | `boolean` | `true` | When true, uses fully rounded corners (`border-radius: 9999px`). When false, uses `var(--ggui-shape-radius-sm)`. |\n\n**Example:**\n```tsx\n<Badge variant=\"success\" size=\"sm\">Active</Badge>\n```\n\n### Spinner\n\nSpinner -- Animated SVG loading indicator.\n\nRenders an `<svg>` with `role=\"status\"` and `aria-label=\"Loading\"`.\nThe SVG contains a full outlineVariant background circle and a quarter-arc\nforeground stroke in the spinner color.\n\nAnimation: `ggui-spin 1s linear infinite` (360-degree rotation).\nThe `@keyframes ggui-spin` definition is injected inline via a `<style>` tag.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| size | `number` | `24` | Width and height of the SVG element in pixels. The internal viewBox is always `0 0 24 24`, so this controls rendered size only. |\n| tone | `\\| 'default'     \\| 'muted'     \\| 'subtle'     \\| 'emphasized'     \\| 'loud'     \\| 'success'     \\| 'warning'     \\| 'error'     \\| 'info'     \\| 'inverse'     \\| 'inherit'` | `undefined (uses `var(--ggui-color-primary-600)`)` | Semantic color slot for the animated foreground arc. Same vocabulary as ; the theme decides the resolved value. The background circle always uses `var(--ggui-color-outlineVariant)`.  Use `'inherit'` when the spinner sits inside a colored container (e.g. inside a Button) \u2014 the stroke picks up `currentColor` from the parent so it tracks the container's foreground. |\n\n**Example:**\n```tsx\n<Spinner size={32} tone=\"success\" />\n```\n\n### Avatar\n\nAvatar -- User or entity representation with image or auto-generated initials.\n\nRenders a `<div role=\"img\">` with `overflow: hidden` and `flex-shrink: 0`.\nWhen `src` is provided and loads successfully, renders an `<img>` with\n`object-fit: cover`. On image error (or when no `src`), falls back to\ninitials derived from `name` (up to 2 characters, uppercase).\n\nInitials background: deterministic color from a 5-color palette based on\nname hash (primary-500, success-500, warning-500, error-500, info-500).\nFalls back to `var(--ggui-color-outline)` when no name is given.\nInitials text: white, `font-weight: var(--ggui-font-weight-semibold)`,\n`font-size: resolvedSize * 0.4`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| src | `string` | - | Image URL. When provided and the image loads, it is rendered with `object-fit: cover`. On load error, falls back to initials. |\n| name | `string` | - | Name used for two purposes: 1. Generating initials (splits on spaces, takes first letter of each word, max 2). 2. Deterministic background color selection via character code hash. Also used as `aria-label` on the container. Falls back to `'Avatar'` if omitted. |\n| size | `number \\| 'xs' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl'` | `'md'` | Avatar dimensions. Named sizes map to pixel values: - `'xs'` -- 24px - `'sm'` -- 32px - `'md'` -- 40px - `'lg'` -- 48px - `'xl'` -- 64px  Numeric values are used directly as pixel dimensions. |\n| shape | `'circle' \\| 'square'` | `'circle'` | Container shape. - `'circle'` -- `border-radius: 50%` - `'square'` -- `border-radius: var(--ggui-shape-radius-md)` |\n\n**Example:**\n```tsx\n<Avatar src=\"/photos/jane.jpg\" name=\"Jane Doe\" size=\"lg\" shape=\"circle\" />\n```\n\n### Alert\n\nAlert -- Contextual message box for important information with icon and optional dismiss.\n\nRenders a `<div role=\"alert\">` with flex layout (12px gap), variant-specific\nbackground, border, text color, and a leading icon. Each variant provides a\ndefault SVG icon (info circle, checkmark, warning triangle, or X circle) that\ncan be overridden via the `icon` prop.\n\nLayout: icon (flex-shrink: 0) | content column (title + body) | close button.\nBorder radius: `var(--ggui-shape-radius-lg)`.\nPadding: `12px 16px`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| variant | `'info' \\| 'success' \\| 'warning' \\| 'error'` | `'info'` | Visual style. Maps to background/border/text/icon color sets: - `'info'` -- bg `var(--ggui-color-info-50)`, border `var(--ggui-color-info-200)`, text `var(--ggui-color-info-800)`, icon `var(--ggui-color-info-500)` - `'success'` -- bg `var(--ggui-color-success-50)`, border `var(--ggui-color-success-200)`, text `var(--ggui-color-success-800)`, icon `var(--ggui-color-success-500)` - `'warning'` -- bg `var(--ggui-color-warning-50)`, border `var(--ggui-color-warning-200)`, text `var(--ggui-color-warning-800)`, icon `var(--ggui-color-warning-500)` - `'error'` -- bg `var(--ggui-color-error-50)`, border `var(--ggui-color-error-200)`, text `var(--ggui-color-error-800)`, icon `var(--ggui-color-error-500)` |\n| title | `string` | - | Optional title rendered above the body in semibold (`var(--ggui-font-weight-semibold)`), `var(--ggui-font-size-sm)`. Title and body are separated by `var(--ggui-spacing-1)` gap. |\n| closable | `boolean` | `false` | When true, renders a close button (X icon) in the top-right area. The button has `min-width: 28px`, `min-height: 28px`, and `opacity: 0.7`. Requires `onClose` to be functional. |\n| onClose | `() => void` | - | Callback fired when the close button is clicked. Only relevant when `closable` is true. |\n| icon | `ReactNode` | - | Custom icon ReactNode to replace the default variant icon. Rendered at the leading position with the variant's icon color applied via `color` CSS property. |\n\n**Example:**\n```tsx\n<Alert variant=\"warning\" title=\"Rate limit\" closable onClose={() => setShow(false)}>\n  You have 3 requests remaining this minute.\n</Alert>\n```\n\n### Progress\n\nProgress -- Horizontal progress bar with determinate and indeterminate modes.\n\nRenders a track `<div role=\"progressbar\">` with a colored fill child.\nThe track background is `var(--ggui-color-outlineVariant)` with\npill-shaped corners (border-radius = height / 2).\n\nDeterminate mode: fill width transitions smoothly (`width 0.3s ease`).\nIndeterminate mode: fill is 30% width, animated with\n`ggui-progress-indeterminate 1.5s ease-in-out infinite`\n(translateX from -100% to 400%). The `@keyframes` are injected inline.\n\nAccessibility: `aria-valuenow` is set in determinate mode, omitted in\nindeterminate. `aria-valuemin` is always 0, `aria-valuemax` matches `max`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| value | `number` | - | Current progress value. Clamped to `[0, max]` and converted to a percentage for the fill width: `Math.min(100, Math.max(0, (value / max) * 100))`. |\n| max | `number` | `100` | Maximum value representing 100% progress. |\n| variant | `'default' \\| 'success' \\| 'warning' \\| 'error'` | `'default'` | Fill bar color. Maps to CSS variables: - `'default'` -- `var(--ggui-color-primary-600)` - `'success'` -- `var(--ggui-color-success-500)` - `'warning'` -- `var(--ggui-color-warning-500)` - `'error'` -- `var(--ggui-color-error-500)` |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls track height in pixels: - `'sm'` -- 4px - `'md'` -- 8px - `'lg'` -- 12px |\n| label | `string` | - | Accessible name describing what this bar measures, e.g. `\"Survey progress\"` or `\"Upload\"`. Becomes the progressbar's `aria-label` and \u2014 when `showLabel` is set \u2014 the visible header text in place of the generic word \"Progress\". Always pass this when the surrounding context does not already make the meaning obvious. |\n| showLabel | `boolean` | `false` | When true, displays a header row above the track with the `label` text (or \"Progress\" if `label` is unset) on the left, and the rounded percentage value on the right. |\n| indeterminate | `boolean` | `false` | When true, ignores `value` for visual width and plays a looping animation instead. The fill bar is 30% width and slides across the track. Animation: `ggui-progress-indeterminate 1.5s ease-in-out infinite`. `aria-valuenow` is omitted from the progressbar element. |\n\n**Example:**\n```tsx\n<Progress value={65} variant=\"success\" size=\"md\" showLabel />\n```\n\n### Image\n\nImage -- An `<img>` element with built-in error handling and fallback support.\n\nRenders a native `<img>` with `display: block`. On load error, either renders\nthe `fallback` ReactNode (if provided) or a default placeholder `<div>` with a\nsurfaceVariant background and a centered image SVG icon in outline.\n\nSize values: numbers are treated as pixels, strings are passed through as-is.\nWhen no `width` is set, defaults to `100%`. When no `height` is set, defaults\nto `auto`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| src | `string` | - | Image source URL. Load failure triggers the fallback state. |\n| alt | `string` | - | Alt text for the image. Used as `aria-label` in the error placeholder too. |\n| width | `number \\| string` | `'100%' (applied at render time, not on the type)` | Image width. Numbers are pixels, strings are CSS values (e.g., `'100%'`, `'50vw'`). |\n| height | `number \\| string` | `'auto' (applied at render time, not on the type)` | Image height. Numbers are pixels, strings are CSS values. |\n| objectFit | `'cover' \\| 'contain' \\| 'fill' \\| 'none' \\| 'scale-down'` | `'cover'` | CSS `object-fit` value controlling how the image fills its box. |\n| radius | `'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| number \\| string` | - | Corner radius applied to both the image and the error placeholder. Prefer a radius-scale name (`'none' \\| 'sm' \\| 'md' \\| 'lg' \\| 'xl'`) \u2014 each resolves to the matching `--ggui-shape-radius-*` token. A number is treated as pixels; any other string is passed through. |\n| fallback | `ReactNode` | - | Custom ReactNode rendered when the image fails to load. When provided, completely replaces the default error placeholder (no wrapper div). When omitted, a surfaceVariant background div with an image icon is shown. |\n\n**Example:**\n```tsx\n<Image src=\"/hero.jpg\" alt=\"Hero banner\" width=\"100%\" height={400} objectFit=\"cover\" radius=\"md\" />\n```\n\n### Icon\n\nIcon -- 185 Lucide icons + emoji passthrough.\n\nThree resolution layers:\n1. **Lucide icon:** pass any common Lucide icon name (e.g. `sun`, `cloud-rain`, `heart`, `shopping-cart`).\n   Accepts kebab-case, camelCase, or PascalCase. Renders as stroke SVG.\n2. **Emoji:** pass emoji/unicode directly (e.g. `\u2600\uFE0F`, `\uD83C\uDF27\uFE0F`). Rendered as text.\n3. **Custom SVG:** pass children (`<svg>` element) for full control.\n\nContainer: `<span>` with `display: inline-flex`, centered content.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| name | `string` | - | Lucide icon name (kebab-case, camelCase, or PascalCase all work). Also accepts emoji/unicode characters directly. |\n| size | `number` | `24` | Icon dimensions in pixels (applied to both width and height of the wrapper and the inner SVG element). |\n| tone | `\\| 'default'     \\| 'muted'     \\| 'subtle'     \\| 'emphasized'     \\| 'loud'     \\| 'success'     \\| 'warning'     \\| 'error'     \\| 'info'     \\| 'inverse'     \\| 'inherit'` | `undefined (icon uses `currentColor`)` | Semantic color slot. Same vocabulary as ; the theme decides what each tone LOOKS like. Resolves to a CSS `color` on the wrapper which the inner SVG inherits via `currentColor`. Use `'inherit'` (the default behavior when unset) for icons that should pick up the parent's foreground color. |\n| children | `ReactNode` | - | Custom SVG children. When provided, `name` is ignored and children are rendered inside a sized `<span>` wrapper. |\n| 'aria-label' | `string` | - | Accessible name for a standalone, meaning-bearing icon. When set, the icon exposes `role=\"img\"` + this label. When omitted (the default) the icon is decorative and hidden from screen readers (`aria-hidden`) \u2014 the right choice for an icon next to a text label. |\n\n**Example:**\n```tsx\n<Icon name=\"search\" size={20} tone=\"muted\" />\n<Icon name=\"cloud-rain\" size={32} />\n<Icon name=\"\u2600\uFE0F\" size={24} />\n```\n\n### Link\n\nLink -- Styled anchor element with external link support.\n\nRenders a native `<a>` element. When `external` is true, sets\n`target=\"_blank\"` and `rel=\"noopener noreferrer\"`, and appends a small\n(12px) external-link SVG icon after the children.\n\nTransition: `color 0.2s`.\nUnderline behavior is controlled via mouseEnter/mouseLeave event handlers\n(for the `'hover'` mode).\n\nAlso extends native `AnchorHTMLAttributes` (except `style`/`className`),\nso props like `aria-*`, `data-*`, `title`, etc. are forwarded to the `<a>`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | children |\n| href | `string` | - | Destination URL. Passed directly to the `<a href>` attribute. |\n| external | `boolean` | `false` | When true, opens link in a new tab (`target=\"_blank\"`, `rel=\"noopener noreferrer\"`) and appends a 12px external-link icon after children. |\n| tone | `\\| 'default'     \\| 'muted'     \\| 'subtle'     \\| 'emphasized'     \\| 'loud'     \\| 'success'     \\| 'warning'     \\| 'error'     \\| 'info'     \\| 'inverse'     \\| 'inherit'` | `undefined (uses `var(--ggui-color-primary-600)`)` | Semantic color slot for the link text. Same vocabulary as ; the theme decides what each tone LOOKS like. Defaults to a primary-tinted accent (`'loud'`-ish) when unset. |\n| underline | `'always' \\| 'hover' \\| 'none'` | `'hover'` | Underline behavior: - `'always'` -- `text-decoration: underline` at all times - `'hover'` -- underline appears on mouse enter, removed on mouse leave - `'none'` -- no underline ever |\n\n**Example:**\n```tsx\n<Link href=\"https://docs.ggui.ai\" external>Documentation</Link>\n```\n\n### Tooltip\n\nTooltip -- Hoverable information popup positioned relative to a trigger element.\n\nWraps `children` in a `<div>` trigger (display: inline-block) and renders\na fixed-position tooltip `<div role=\"tooltip\">` when visible.\n\nTooltip appearance:\n- Background: `var(--ggui-color-onSurface)`\n- Text: white, `var(--ggui-font-size-xs)`\n- Padding: `6px 10px`, border-radius: `var(--ggui-shape-radius-md)`\n- Max width: 200px, `white-space: nowrap`, `pointer-events: none`\n- Z-index: `zIndex.tooltip` (1800)\n\nShow/hide: triggered by mouseEnter/mouseLeave AND focus/blur on the\ntrigger element. Uses `position: fixed` with coordinates calculated from\n`getBoundingClientRect()` and an 8px offset from the trigger edge.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | Trigger element. Wrapped in a `<div>` with mouseEnter/mouseLeave and focus/blur handlers. |\n| content | `ReactNode` | - | Tooltip content. Can be text or any ReactNode. |\n| position | `'top' \\| 'bottom' \\| 'left' \\| 'right'` | `'top'` | Tooltip placement relative to the trigger element: - `'top'` -- above, centered horizontally, transformed `translateX(-50%) translateY(-100%)` - `'bottom'` -- below, centered horizontally, transformed `translateX(-50%)` - `'left'` -- to the left, centered vertically, transformed `translateX(-100%) translateY(-50%)` - `'right'` -- to the right, centered vertically, transformed `translateY(-50%)` |\n| delay | `number` | `200` | Delay in milliseconds before the tooltip becomes visible after hover/focus. Hiding is immediate (no delay). |\n\n**Example:**\n```tsx\n<Tooltip content=\"Copy to clipboard\" position=\"top\">\n  <Button variant=\"ghost\"><Icon name=\"copy\" /></Button>\n</Tooltip>\n```\n\n### Table\n\nTable -- Data table with sortable columns, striped rows, and hover highlights.\n\nRenders a scrollable wrapper `<div>` containing a native `<table>` with\n`border-collapse: collapse` and `width: 100%`. The wrapper has\n`overflow-x: auto` for horizontal scrolling on narrow viewports.\n\nHeader row: 2px bottom border (`var(--ggui-color-outlineVariant)`).\nData rows: 1px bottom border (`var(--ggui-color-surfaceVariant)`).\nHover: `var(--ggui-color-surface)` background with 150ms ease transition.\nStriped: alternating rows (odd index) get `var(--ggui-color-surface)`.\n\nSort behavior: clicking a sortable column header calls `onSort(key, direction)`.\nIf the same column is clicked again while ascending, it toggles to descending.\nThe component does NOT sort data internally -- the parent must sort `data` and\npass updated `sortKey`/`sortDirection`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| columns | `TableColumn<T>[]` | - | Array of column definitions controlling header labels, data keys, and rendering. |\n| data | `T[]` | - | Array of row data objects. Each object's keys should match the column `key` values. |\n| sortKey | `string` | - | The `key` of the currently sorted column. Used to highlight the active sort indicator and determine toggle direction on next click. |\n| sortDirection | `SortDirection` | `'asc'` | Current sort direction for the column identified by `sortKey`. Controls which triangle indicator is highlighted in the header. |\n| onSort | `(key: string, direction: SortDirection) => void` | - | Sort change handler. Called when a sortable column header is clicked. Receives the column `key` and the new `SortDirection`. The component does NOT sort data internally -- you must sort `data` in your state and pass updated `sortKey`/`sortDirection`. |\n| striped | `boolean` | `false` | When true, alternating rows (odd index) get a `var(--ggui-color-surface)` background. |\n| hoverable | `boolean` | `true` | When true, rows highlight with `var(--ggui-color-surface)` on mouse enter, with a 150ms ease background-color transition. |\n| compact | `boolean` | `false` | When true, reduces cell padding: - Compact: `var(--ggui-spacing-1) var(--ggui-spacing-2)` - Normal: `var(--ggui-spacing-2) var(--ggui-spacing-4)` |\n| bordered | `boolean` | `false` | When true, adds a 1px border around the table wrapper and between cells. Wrapper border: `1px solid var(--ggui-color-outlineVariant)`. Cell borders: `1px solid var(--ggui-color-surfaceVariant)`. Wrapper border-radius: `var(--ggui-shape-radius-lg)`. |\n| caption | `string` | - | Accessible table caption. Rendered as a `<caption>` element with `caption-side: top`, `var(--ggui-font-size-sm)`, `var(--ggui-color-onSurfaceVariant)`. |\n\n**Example:**\n```tsx\n<Table\n  columns={[\n    { key: 'name', header: 'Name', sortable: true },\n    { key: 'role', header: 'Role' },\n    { key: 'status', header: 'Status', render: (v) => <Badge variant={v as string}>{v as string}</Badge> },\n  ]}\n  data={users}\n  sortKey={sortKey}\n  sortDirection={sortDir}\n  onSort={(key, dir) => { setSortKey(key); setSortDir(dir); }}\n  striped\n/>\n```\n\n### Tabs\n\nTabs -- Accessible tab navigation with panels and keyboard support.\n\nRenders a `<div role=\"tablist\">` with `<button role=\"tab\">` elements and a\n`<div role=\"tabpanel\">` for the active tab's content. Supports controlled\n(`activeKey` + `onChange`) and uncontrolled (internal state) modes.\n\nKeyboard navigation: ArrowLeft/ArrowRight (and ArrowUp/ArrowDown) cycle\nthrough enabled tabs. Home/End jump to first/last. Focus follows selection.\nDisabled tabs are skipped during keyboard navigation.\n\n**IMPORTANT:** `onChange` receives the tab's `key` string directly, NOT a\nReact event.\n\nTab panel padding: `var(--ggui-spacing-4) 0` (top/bottom only).\nTransitions: color, background-color, border-color at 200ms ease-in-out.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| items | `TabItem[]` | - | Array of tab definitions. Must contain at least one item. |\n| activeKey | `string` | - | Controlled active tab key. When provided, the component is controlled and will not manage its own state. Must match one of `items[].key`. When omitted, defaults to the first item's key (uncontrolled mode). |\n| onChange | `(key: string) => void` | - | Tab change handler. Receives the selected tab's `key` string directly, NOT a React event. In controlled mode, you must update `activeKey` in response to this callback. |\n| variant | `'line' \\| 'pills' \\| 'enclosed'` | `'line'` | Visual style of the tab bar: - `'line'` -- underline indicator (2px solid primary-600 on active), border-bottom on tab list - `'pills'` -- filled pill buttons (primary-600 bg, white text on active), surfaceVariant container with radius-lg - `'enclosed'` -- bordered tab buttons with open bottom (card-style), border-bottom on tab list |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls tab button padding and font size: - `'sm'` -- padding `var(--ggui-spacing-1) var(--ggui-spacing-2)`, font `var(--ggui-font-size-xs)` - `'md'` -- padding `var(--ggui-spacing-2) var(--ggui-spacing-4)`, font `var(--ggui-font-size-sm)` - `'lg'` -- padding `var(--ggui-spacing-4) var(--ggui-spacing-6)`, font `var(--ggui-font-size-base)` |\n| fullWidth | `boolean` | `false` | When true, tab buttons expand equally to fill the container width (`flex: 1`, `justify-content: center` on each button). |\n\n**Example:**\n```tsx\n<Tabs\n  variant=\"pills\"\n  items={[\n    { key: 'overview', label: 'Overview', content: <Overview /> },\n    { key: 'settings', label: 'Settings', content: <Settings /> },\n  ]}\n  activeKey={tab}\n  onChange={setTab}\n/>\n```\n\n### Toast\n\nToast -- Notification banner with auto-dismiss and slide-in animation.\n\nRenders a `<div role=\"alert\" aria-live=\"assertive\">` with a variant-specific\nicon, optional title, message body, and optional close button.\n\nAnimation: `ggui-slideInUp 200ms ease-out both` on mount (from the motion\ntoken system). The keyframes are provided by the MotionKeyframes provider.\n\nAuto-dismiss: when `onClose` is provided and `duration > 0`, a timer calls\n`onClose` after `duration` ms. Setting `duration` to `0` disables auto-dismiss.\nThe timer resets if `visible`, `duration`, or `onClose` changes.\n\nDimensions: `min-width: 280px`, `max-width: 420px`.\nShadow: `var(--ggui-shape-shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1))`.\nBorder radius: `var(--ggui-shape-radius-lg)`.\n\nWhen `visible` is false, renders nothing (returns `null`).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| message | `ReactNode` | - | Message body content. Can be text or any ReactNode. |\n| variant | `'info' \\| 'success' \\| 'warning' \\| 'error'` | `'info'` | Visual style. Maps to background/border/text/icon color sets (same palette as Alert): - `'info'` -- bg `var(--ggui-color-info-50)`, border `var(--ggui-color-info-200)`, text `var(--ggui-color-info-800)` - `'success'` -- bg `var(--ggui-color-success-50)`, border `var(--ggui-color-success-200)`, text `var(--ggui-color-success-800)` - `'warning'` -- bg `var(--ggui-color-warning-50)`, border `var(--ggui-color-warning-200)`, text `var(--ggui-color-warning-800)` - `'error'` -- bg `var(--ggui-color-error-50)`, border `var(--ggui-color-error-200)`, text `var(--ggui-color-error-800)` |\n| title | `string` | - | Optional title rendered above the message in semibold (`var(--ggui-font-weight-semibold)`, `var(--ggui-font-size-sm)`). |\n| duration | `number` | `5000` | Auto-dismiss delay in milliseconds. After this duration, `onClose` is called automatically. Set to `0` to disable auto-dismiss (toast stays until manually closed). The timer is only active when both `visible` is true and `onClose` is provided. |\n| onClose | `() => void` | - | Callback fired on auto-dismiss timeout or when the close button is clicked. When provided, a close button (X icon, 16px) is rendered in the top-right area. When omitted, no close button is shown and auto-dismiss is disabled. |\n| visible | `boolean` | `true` | Controls rendering. When false, the component returns `null`. Toggling from false to true triggers the slide-in animation. |\n| position | `'top-right' \\| 'top-left' \\| 'bottom-right' \\| 'bottom-left' \\| 'top-center' \\| 'bottom-center'` | - | Intended screen position. This prop is defined on the interface but is NOT implemented by the Toast component itself -- positioning must be handled by a parent container or toast manager. |\n\n**Example:**\n```tsx\n<Toast variant=\"success\" title=\"Saved\" message=\"Your changes have been saved.\" onClose={() => setShow(false)} />\n```\n\n### Accordion\n\nAccordion -- Collapsible content sections with chevron rotation animation.\n\nRenders a vertical list of items, each with a `<button>` header (inside `<h3>`)\nand a `<div role=\"region\">` panel. Supports controlled (`expandedKeys` + `onChange`)\nand uncontrolled (internal state) modes.\n\nChevron animation: the trailing chevron icon rotates from 0deg (collapsed) to\n180deg (expanded) with `transition: transform 200ms ease-in-out`.\n\nHeader button: full-width flex layout (`justify-content: space-between`),\n`var(--ggui-font-size-sm)`, `var(--ggui-font-weight-medium)`,\n`var(--ggui-color-onSurface)`.\nHeader padding: `var(--ggui-spacing-2) var(--ggui-spacing-4)`.\nBackground transition: `background-color 100ms ease-in-out`.\n\n**IMPORTANT:** `onChange` receives the full array of currently expanded keys,\nNOT a single key or a React event. In single mode (`multiple: false`), this\narray will have at most one element.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| items | `AccordionItem[]` | - | Array of collapsible section definitions. |\n| expandedKeys | `string[]` | - | Controlled expanded state. Array of item `key` values that should be open. When provided, the component is controlled and will not manage its own expansion state. When omitted, defaults to `[]` (all collapsed, uncontrolled mode). |\n| onChange | `(expandedKeys: string[]) => void` | - | Expand/collapse handler. Receives the complete array of expanded keys after a toggle. In controlled mode, you must update `expandedKeys` in response to this callback. |\n| multiple | `boolean` | `false` | When true, multiple items can be open simultaneously. When false, opening one item closes any other open item (single-expand mode). |\n| variant | `'default' \\| 'bordered' \\| 'separated'` | `'default'` | Visual style controlling borders and spacing: - `'default'` -- top border on first item, bottom border on all items (`var(--ggui-color-outlineVariant)`), no gap between items - `'bordered'` -- connected card style with left/right/bottom borders on all items, top border on first, shared rounded corners (radius-lg on first/last) - `'separated'` -- each item is an independent card with full border (`1px solid var(--ggui-color-outlineVariant)`), `var(--ggui-shape-radius-lg)` radius, `var(--ggui-spacing-2)` gap between items |\n\n**Example:**\n```tsx\n<Accordion\n  variant=\"separated\"\n  items={[\n    { key: 'faq1', title: 'How do I get started?', content: 'Sign up and...' },\n    { key: 'faq2', title: 'What is the pricing?', content: 'We offer...' },\n  ]}\n  expandedKeys={expanded}\n  onChange={setExpanded}\n  multiple\n/>\n```\n\n### Support Types\n\n**ResponsiveColumns:**\n\nExplicit column count per viewport breakpoint, mobile-first. `base`\napplies from 0 up; each named key overrides at and above its\nbreakpoint width (`sm` 640px, `md` 768px, `lg` 1024px, `xl` 1280px).\nOmit `base` to default to a single column on the narrowest screens.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| base | `number` | Columns below the `sm` breakpoint. |\n| sm | `number` | Columns from 640px up. |\n| md | `number` | Columns from 768px up. |\n| lg | `number` | Columns from 1024px up. |\n| xl | `number` | Columns from 1280px up. |\n\n**SelectOption:**\n\nAn individual option within a `Select` dropdown.\n\nRendered as a native `<option>` element. When `disabled` is true, the option\nis visible but not selectable.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| value | `string` | The value submitted when this option is selected. Must be unique within the options array. |\n| label | `string` | The display text shown in the dropdown. |\n| disabled | `boolean` | When true, the option is visible but cannot be selected (grayed out by the browser). |\n\n**RadioOption:**\n\nAn individual option within a `RadioGroup`.\n\nRendered as a `<label>` containing a visually-hidden `<input type=\"radio\">`\nand a custom 18px circle indicator. Supports an optional description line\nbelow the label text.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| value | `string` | The value emitted via `RadioGroupProps.onChange` when this option is selected. Must be unique. |\n| label | `string` | Display text for this option. Styled with `var(--ggui-font-size-sm)` and `var(--ggui-color-onSurfaceVariant)`. |\n| description | `string` | Optional secondary description rendered below the label in smaller, muted type (`var(--ggui-font-size-xs)`, `var(--ggui-color-onSurfaceVariant)`). |\n| disabled | `boolean` | When true, this individual option is grayed out (`opacity: 0.5`) and cannot be selected, regardless of the group-level `disabled` prop. |\n\n**TableColumn:**\n\nColumn definition for the Table component.\n\nEach column maps a `key` in the row data object to a table column with\na header label, optional sorting, alignment, width, and custom rendering.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| key | `string` | Property key in the row data object. Used to extract cell values via `row[key]`. Must be unique across all columns in a Table. |\n| header | `string` | Column header text. Rendered in uppercase, `var(--ggui-font-size-xs)`, `var(--ggui-font-weight-semibold)`, `var(--ggui-color-onSurfaceVariant)`, with `letter-spacing: 0.05em`. |\n| width | `number \\| string` | Fixed column width. Numbers are pixels, strings are CSS values (e.g., `'200px'`, `'30%'`). When omitted, the column auto-sizes based on content. |\n| align | `'left' \\| 'center' \\| 'right'` | Horizontal text alignment for both the header and data cells. |\n| sortable | `boolean` | When true, the header cell becomes clickable and shows sort direction indicators (ascending/descending triangles). Clicking toggles between `'asc'` and `'desc'`. The header gets `cursor: pointer`, `tabIndex: 0`, and keyboard support (Enter/Space to toggle). |\n| render | `(value: unknown, row: T, index: number) => ReactNode` | Custom cell renderer. When provided, called instead of rendering `row[key]` directly. Receives the cell value, the full row object, and the row index. |\n\n**TabItem:**\n\nDefinition of a single tab within a Tabs component.\n\nEach item provides a unique `key` for identification, a `label` for the\ntab button, and `content` for the associated panel.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| key | `string` | Unique identifier for this tab. Used to match `activeKey` and as the value passed to `onChange`. |\n| label | `ReactNode` | Tab button label. Can be text or any ReactNode. |\n| content | `ReactNode` | Panel content rendered below the tab bar when this tab is active. |\n| disabled | `boolean` | When true, the tab button shows `opacity: 0.5`, `cursor: not-allowed`, and cannot be selected via click or keyboard navigation. |\n| icon | `ReactNode` | Optional icon rendered before the label inside the tab button, with `var(--ggui-spacing-1)` gap between icon and label. |\n\n**AccordionItem:**\n\nDefinition of a single collapsible section within an Accordion.\n\nEach item provides a unique `key`, a clickable `title` for the header button,\nand `content` revealed when expanded.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| key | `string` | Unique identifier for this item. Used in `expandedKeys` and passed to `onChange`. |\n| title | `ReactNode` | Header label rendered inside the toggle button. Can be text or any ReactNode. |\n| content | `ReactNode` | Panel content rendered below the header when expanded. Styled with `var(--ggui-font-size-sm)`, `var(--ggui-color-onSurfaceVariant)`, `line-height: var(--ggui-font-lineHeight-normal, 1.5)`. Padding: `0 var(--ggui-spacing-4) var(--ggui-spacing-4)`. |\n| disabled | `boolean` | When true, the header button shows `opacity: 0.5`, `cursor: not-allowed`, and cannot be toggled. |\n\n\n## Components\n\nImport: `import { Component } from '@ggui-ai/design'`\n\n### SearchField\n\nA text input with a leading search icon and optional submit button.\n\nComposes: `Input` (native `<input type=\"search\">`), `Button`, `Spinner`, `Icon`.\n\nSupports controlled and uncontrolled usage. When `value` is `undefined` the\ncomponent tracks its own state internally. Pressing **Enter** triggers\n`onSearch` with the current value. When `loading` is `true` the search icon\nis replaced by a `Spinner` and the input is disabled.\n\nTokens used: `colors.gray[300]` border, `colors.gray[50]` disabled bg,\n`colors.gray[400]` icon color, `colors.gray[900]` text color.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| value | `string` | - | Current search value. When provided, the component is **controlled** and the caller must update this via `onChange`. When omitted, the component manages its own internal state. |\n| onChange | `(value: string) => void` | - | Called on every keystroke with the new input string (value directly, not a React `ChangeEvent`). |\n| onSearch | `(value: string) => void` | - | Called when the user presses **Enter** or clicks the search button (if `showButton` is `true`). Receives the current value directly. |\n| placeholder | `string` | `'Search...'` | Placeholder text shown when the input is empty. |\n| showButton | `boolean` | `false` | When `true`, renders a `Button` primitive to the right of the input. The button's label is set by `buttonText`. |\n| buttonText | `string` | `'Search'` | Label rendered inside the submit button. Only visible when `showButton` is `true`. |\n| loading | `boolean` | - | When `true`, replaces the search icon with a `Spinner`, disables the input, and disables the submit button. |\n| disabled | `boolean` | - | When `true`, the input and button are visually disabled and do not respond to interaction. The input background changes to `colors.gray[50]`. |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls input height and font size. - `'sm'` -- 6px vertical padding, 14px font - `'md'` -- 10px vertical padding, 14px font - `'lg'` -- 12px vertical padding, 16px font  The Button size maps `sm`->`sm`, `md`->`md`, `lg`->`md`. |\n\n**Example:**\n```tsx\n```tsx\n<SearchField\n  value={query}\n  onChange={setQuery}\n  onSearch={(q) => fetchResults(q)}\n  placeholder=\"Search products...\"\n  showButton\n  buttonText=\"Go\"\n  size=\"md\"\n/>\n```\n```\n\n### FormField\n\nA wrapper that adds a label, optional description, error message,\nand helper text around any form input passed as `children`.\n\nComposes: no other primitives -- pure layout with semantic `<label>` and\n`<span>` elements.\n\nVisual hierarchy (top to bottom):\n1. **Label** (required) -- `fontSize.sm`, `fontWeight.medium`, `colors.gray[700]`\n2. **Required indicator** -- red asterisk (`colors.error[500]`) appended to label\n3. **Description** -- `fontSize.xs`, `colors.gray[500]`, 4px bottom margin\n4. **Children** -- the form control itself\n5. **Error / Helper text** -- `fontSize.xs`; error in `colors.error[500]`,\n   helper in `colors.gray[500]`. Error takes priority when both are provided.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Text rendered inside the `<label>` element above the input. |\n| children | `ReactNode` | - | The form control (typically an `Input`, `Select`, or `Textarea` primitive) rendered between the label/description and the error/helper row. |\n| error | `string` | - | Error message displayed below `children` in `colors.error[500]`. When present, it takes precedence over `helperText`. |\n| helperText | `string` | - | Neutral guidance text displayed below `children` in `colors.gray[500]`. Hidden when `error` is present. |\n| required | `boolean` | - | When `true`, appends a red asterisk (`*`) after the label text. Does **not** add any HTML validation attributes -- handle that on the child input. |\n| description | `string` | - | Secondary description rendered between the label and the child control in `fontSize.xs` / `colors.gray[500]`. Use for longer guidance that does not belong in `helperText`. |\n\n**Example:**\n```tsx\n```tsx\n<FormField\n  label=\"Email address\"\n  required\n  description=\"We will never share your email.\"\n  error={errors.email}\n>\n  <Input value={email} onChange={setEmail} placeholder=\"you@example.com\" />\n</FormField>\n```\n```\n\n### MenuItem\n\nA full-width clickable row for menus, sidebars, and action lists.\n\nComposes: none -- renders a native `<button>` element.\n\nBuilt-in transition: `background-color 0.15s` on hover.\n\nColor logic:\n- **Normal**: text `colors.gray[700]`, hover bg `colors.gray[100]`\n- **Active**: bg `colors.primary[50]`, text `colors.gray[700]`, `fontWeight.medium`\n- **Danger**: text `colors.error[600]`, hover bg `colors.error[50]`, active bg `colors.error[100]`\n- **Disabled**: text `colors.gray[400]`, `cursor: not-allowed`\n\nLayout: flexbox row with `8px` gap, `8px 12px` padding, `radius.md` border-radius.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | Primary text content of the menu item. |\n| icon | `ReactNode` | - | Icon or element rendered to the left of the label. Flex-shrink 0. |\n| rightElement | `ReactNode` | - | Element rendered to the right of the label (e.g., a keyboard shortcut badge or a count). Colored `colors.gray[400]`, flex-shrink 0. |\n| onClick | `() => void` | - | Called when the item is clicked. Suppressed when `disabled` is `true`. |\n| disabled | `boolean` | - | When `true`, the item is non-interactive: `colors.gray[400]` text, `cursor: not-allowed`, click handler suppressed. |\n| active | `boolean` | - | Marks this item as the current selection. Applies a tinted background (`colors.primary[50]`, or `colors.error[100]` when `danger` is also set) and `fontWeight.medium`. |\n| danger | `boolean` | - | Switches the item to destructive styling: `colors.error[600]` text, `colors.error[50]` hover background. |\n\n**Example:**\n```tsx\n```tsx\n<MenuItem\n  label=\"Delete project\"\n  icon={<Icon name=\"trash\" size={16} />}\n  danger\n  onClick={() => confirmDelete(projectId)}\n/>\n```\n```\n\n### Tag\n\nAn inline label for categories, filters, statuses, or selections.\nOptionally dismissable via a close button.\n\nComposes: none -- pure `<span>` with an optional close `<button>`.\n\nEach `variant` maps to a background / text / border color triple from the\ndesign tokens:\n- `'default'`  -- `gray[100]` / `gray[700]` / `gray[200]`\n- `'primary'`  -- `primary[50]` / `primary[700]` / `primary[200]`\n- `'success'`  -- `success[50]` / `success[700]` / `success[200]`\n- `'warning'`  -- `warning[50]` / `warning[700]` / `warning[200]`\n- `'error'`    -- `error[50]` / `error[700]` / `error[200]`\n- `'info'`     -- `info[50]` / `info[700]` / `info[200]`\n\nThe close button renders an inline SVG \"x\" icon (12x12) with `opacity: 0.7`\nand an `aria-label=\"Remove\"`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | Tag content -- typically a short text string. |\n| variant | `'default' \\| 'primary' \\| 'success' \\| 'warning' \\| 'error' \\| 'info'` | `'default'` | Semantic color variant applied to background, text, and border. |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls padding, font size, and internal gap. - `'sm'` -- 2px/6px padding, `fontSize.xs`, 4px gap - `'md'` -- 4px/8px padding, `fontSize.xs`, 6px gap - `'lg'` -- 6px/10px padding, `fontSize.sm`, 6px gap |\n| closable | `boolean` | - | When `true`, renders a small close (\"x\") button after the content. Clicking it fires `onClose`. |\n| onClose | `() => void` | - | Called when the close button is clicked. Only relevant when `closable` is `true`. |\n| icon | `ReactNode` | - | Icon or element rendered before the text content. |\n\n**Example:**\n```tsx\n```tsx\n<Tag variant=\"success\" size=\"md\" closable onClose={() => removeFilter(id)}>\n  Active\n</Tag>\n```\n```\n\n### Dropdown\n\nA click-triggered menu anchored to a trigger element. Manages its own\nopen/close state internally.\n\nComposes: `MenuItem` for each option.\n\nBehavior:\n- Clicking the trigger toggles the menu open/closed.\n- Selecting an option calls `onChange(option.value)` and closes the menu.\n- Clicking outside the container or pressing **Escape** closes the menu.\n- The currently selected option (matching `value`) is rendered with\n  `MenuItem`'s `active` state.\n\nMenu panel: `colors.white` bg, `colors.gray[200]` border, `radius.lg`\nborder-radius, `shadow.lg`, `zIndex.dropdown`, 160px min-width, 4px padding.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| trigger | `ReactNode` | - | The element the user clicks to open the menu. Receives a wrapping `<div>` with `cursor: pointer` (or `not-allowed` when disabled). |\n| options | `DropdownOption[]` | - | Array of selectable options rendered as `MenuItem` rows. |\n| value | `string` | - | The `value` of the currently selected option. The matching `MenuItem` is rendered with `active` styling. |\n| onChange | `(value: string) => void` | - | Called with the `value` string of the selected option (not the full `DropdownOption` object). The menu closes immediately after. |\n| placement | `'bottom-start' \\| 'bottom-end' \\| 'top-start' \\| 'top-end'` | `'bottom-start'` | Where to anchor the menu panel relative to the trigger. - `'bottom-start'` -- below, aligned to left edge - `'bottom-end'`   -- below, aligned to right edge - `'top-start'`    -- above, aligned to left edge - `'top-end'`      -- above, aligned to right edge |\n| disabled | `boolean` | - | When `true`, the trigger shows `cursor: not-allowed` and clicking it does not open the menu. |\n\n**Example:**\n```tsx\n```tsx\n<Dropdown\n  trigger={<Button variant=\"outline\">Sort by</Button>}\n  options={[\n    { value: 'name', label: 'Name' },\n    { value: 'date', label: 'Date created' },\n    { value: 'delete', label: 'Delete', danger: true },\n  ]}\n  value={sortBy}\n  onChange={setSortBy}\n  placement=\"bottom-end\"\n/>\n```\n```\n\n### Autocomplete\n\nA text input with a filterable suggestion dropdown, keyboard navigation,\nand loading/empty states.\n\nComposes: `Input` primitive (with `label`, `error`, `placeholder` forwarded),\n`Spinner` (loading state).\n\nFiltering: options are filtered client-side by case-insensitive substring\nmatch against both `option.label` and `option.value`.\n\nKeyboard support:\n- **ArrowDown / ArrowUp** -- move highlight through filtered options\n  (opens dropdown if closed)\n- **Enter** -- selects the highlighted option\n- **Escape** -- closes the dropdown\n\nOn selection, `onChange` is called with `option.label` (the display text)\nand `onSelect` is called with the full `AutocompleteOption` object.\n\nDropdown panel: `colors.white` bg, `colors.gray[200]` border, `radius.lg`\nborder-radius, `shadow.lg`, `zIndex.dropdown`, max-height 240px with\noverflow scroll.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| value | `string` | `''` | Current text in the input field. On selection, this is set to the selected option's `label`. |\n| onChange | `(value: string) => void` | - | Called on every keystroke with the new input string (value directly, not a React event). Also called on selection with `option.label`. |\n| onSelect | `(option: AutocompleteOption) => void` | - | Called when the user selects an option (click or Enter on highlighted item). Receives the full `AutocompleteOption` object, not just the value string. |\n| options | `AutocompleteOption[]` | - | The full list of available options. Filtering is handled internally via case-insensitive substring match on `label` and `value`. |\n| placeholder | `string` | - | Placeholder text forwarded to the inner `Input` primitive. |\n| label | `string` | - | Label text forwarded to the inner `Input` primitive. |\n| loading | `boolean` | - | When `true`, the dropdown shows a centered `Spinner` instead of the option list. The input remains interactive. |\n| disabled | `boolean` | - | When `true`, the inner `Input` is disabled and the dropdown does not open. |\n| error | `string` | - | Error message forwarded to the inner `Input` primitive. |\n| noResultsText | `string` | `'No results found'` | Text shown in the dropdown when filtering produces zero matches. Rendered centered in `colors.gray[500]` / `fontSize.sm`. |\n\n**Example:**\n```tsx\n```tsx\n<Autocomplete\n  label=\"Country\"\n  value={country}\n  onChange={setCountry}\n  onSelect={(opt) => setCountryCode(opt.value)}\n  options={countries}\n  placeholder=\"Type to search...\"\n  noResultsText=\"No countries found\"\n/>\n```\n```\n\n### Breadcrumb\n\nA horizontal navigation trail showing the user's location within a\nhierarchy. Renders a `<nav aria-label=\"Breadcrumb\">`.\n\nComposes: `Link` primitive (for items with `href`).\n\nRendering rules per item:\n- **Last item**: static `<span>` with `colors.gray[900]`, `fontWeight: 500`,\n  and `aria-current=\"page\"`.\n- **Non-last with `href`**: `Link` in `colors.gray[500]` with\n  `underline=\"hover\"`. If `onItemClick` is provided, `e.preventDefault()`\n  is called and the handler fires instead of navigating.\n- **Non-last without `href`**: unstyled `<button>` in `colors.gray[500]`.\n\nLayout: flexbox row, `8px` gap, `fontSize.sm`.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| items | `BreadcrumbItem[]` | - | Ordered array of breadcrumb segments from root to current page. |\n| separator | `ReactNode` | `'/'` | Separator rendered between each pair of items. Can be a string (e.g., `\"/\"`, `\">\"`) or a ReactNode (e.g., an `Icon`). Rendered in `colors.gray[400]`. |\n| onItemClick | `(item: BreadcrumbItem, index: number) => void` | - | Called when a non-last item is clicked. Receives the `BreadcrumbItem` and its zero-based `index`. When provided on items that have `href`, the default navigation is prevented via `e.preventDefault()`. |\n\n**Example:**\n```tsx\n```tsx\n<Breadcrumb\n  items={[\n    { label: 'Home', href: '/' },\n    { label: 'Projects', href: '/projects' },\n    { label: 'ggui' },\n  ]}\n  separator=\"/\"\n  onItemClick={(item) => router.push(item.href!)}\n/>\n```\n```\n\n### Pagination\n\nPage navigation controls with previous/next arrows, numbered page buttons,\nand optional first/last jumps. Renders a `<nav aria-label=\"Pagination\">`.\n\nComposes: `Button` (ghost variant for prev/next/first/last arrows),\n`Icon` (`chevron-left`, `chevron-right`).\n\nBuilt-in transition: `all 0.15s` on page number buttons.\n\nPage windowing: when `totalPages > maxVisible`, the component shows the\nfirst page, last page, a window of pages around `currentPage`, and\nellipsis (\"...\") markers for gaps. The window adjusts when near the\nstart or end of the range.\n\nActive page button: `colors.primary[600]` bg, `colors.white` text,\n`fontWeight.medium`. Inactive: transparent bg, `colors.gray[700]` text.\n\nArrow buttons are automatically disabled at boundary pages (first/last).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| currentPage | `number` | - | Current active page. **1-indexed** (first page is `1`). |\n| totalPages | `number` | - | Total number of pages. Determines when last-page / next-page buttons disable. |\n| onPageChange | `(page: number) => void` | - | Called when the user clicks a page number, arrow, or first/last button. Receives the target page number (1-indexed) directly. |\n| showFirstLast | `boolean` | `true` | When `true`, renders double-chevron buttons for jumping to the first and last page. These buttons are disabled when already on the respective boundary. |\n| maxVisible | `number` | `5` | Maximum number of page buttons visible at once (including the first and last page, but excluding ellipsis markers). When `totalPages` exceeds this value, ellipsis gaps appear. |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls button dimensions and icon sizes. - `'sm'` -- 28px buttons, 14px icons, Button size `xs` - `'md'` -- 32px buttons, 16px icons, Button size `sm` - `'lg'` -- 40px buttons, 20px icons, Button size `md` |\n| disabled | `boolean` | - | When `true`, all page buttons and arrows are visually dimmed (`opacity: 0.5`) and clicks are suppressed. |\n\n**Example:**\n```tsx\n```tsx\n<Pagination\n  currentPage={page}\n  totalPages={20}\n  onPageChange={setPage}\n  maxVisible={7}\n  size=\"md\"\n/>\n```\n```\n\n### EmptyState\n\nEmptyState -- placeholder for a region with no data: empty lists,\nzero search results, an error fallback. Render it instead of\nnothing whenever a data array could be empty \u2014 a list that shows\nnothing when empty looks broken.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| icon | `string \\| ReactNode` | - | A Lucide icon name (kebab-case), rendered large and subtle above the title, or a custom node. Omit for a text-only empty state. |\n| title | `string` | - | The headline, e.g. \"No results found\". |\n| description | `string` | - | Optional supporting line below the title. |\n| action | `ReactNode` | - | Optional call-to-action, typically a `<Button>`. |\n\n**Example:**\n```tsx\n{results.length === 0\n  ? <EmptyState icon=\"search-x\" title=\"No matches\" description=\"Try a broader query.\" />\n  : results.map((r) => <Row key={r.id}>\u2026</Row>)}\n```\n\n### Stat\n\nStat -- a single KPI / metric: a label, a large value, an optional\ntrend-coloured delta and icon. Reach for it whenever the UI is\n\"show a number\" \u2014 dashboards, weather and price cards, analytics\ntiles. Drop several into a `<Grid>` for a stat grid.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| label | `string` | - | The metric name, e.g. \"Revenue\". Rendered small and uppercase above the value. |\n| value | `string \\| number` | - | The headline value \u2014 the big number. A number, or a pre-formatted string (`\"$48.2k\"`, `\"18\u00B0C\"`). |\n| delta | `string` | - | Optional change indicator, pre-formatted, e.g. `\"+12.5%\"` or `\"-3\"`. |\n| trend | `'up' \\| 'down' \\| 'neutral'` | `'neutral'` | Direction of `delta` \u2014 colours it: `'up'` success, `'down'` error, `'neutral'` muted. |\n| icon | `string \\| ReactNode` | - | Optional Lucide icon name (kebab-case) or custom node, shown next to the label. |\n\n**Example:**\n```tsx\n<Stat label=\"Revenue\" value=\"$48.2k\" delta=\"+12.5%\" trend=\"up\" icon=\"trending-up\" />\n```\n\n### Stepper\n\nStepper -- a display-only step indicator for multi-step flows\n(wizards, checkouts, onboarding): numbered markers joined by\nconnector lines, with completed (check), current (filled), and\nupcoming (outlined) states styled distinctly.\n\nStepper renders step state; it never owns it. Declare the step\nlabels as a top-level `const`, track the current index in\n`useState`, and advance it from your own Next/Back buttons (or\n`onStepClick`).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| steps | `string[]` | - | Ordered step labels, one per step. Declare as a top-level `const` array \u2014 never as state. |\n| current | `number` | - | Zero-based index of the active step. Steps before it render as completed (check mark), steps after it as upcoming. |\n| orientation | `'horizontal' \\| 'vertical'` | `'horizontal'` | Flow direction. `'horizontal'` joins the markers with connector lines in a row; `'vertical'` stacks the steps with short connector columns \u2014 better for sidebars or long step labels. |\n| onStepClick | `(index: number) => void` | - | When provided, each step becomes a real button and clicks receive the step's zero-based index. Typical use: jumping back to a completed step; guard forward jumps in the handler if the flow validates per step. |\n\n**Example:**\n```tsx\nconst STEPS = ['Account', 'Profile', 'Review'];\n// In the component: const [step, setStep] = useState(0);\n<Stack gap=\"lg\">\n  <Stepper steps={STEPS} current={step} />\n  {step === 0 && <AccountFields />}\n  <Row gap=\"sm\" justify=\"end\">\n    <Button variant=\"ghost\" disabled={step === 0} onClick={() => setStep(step - 1)}>Back</Button>\n    <Button onClick={() => setStep(step + 1)}>Next</Button>\n  </Row>\n</Stack>\n```\n\n### Markdown\n\nMarkdown -- renders markdown-formatted text as styled content:\nheadings, paragraphs, **bold** / *italic*, `inline code`, fenced\ncode blocks, bulleted and numbered lists, and links.\n\nUse it whenever a prop or context slot carries prose the agent\nauthors in markdown -- article bodies, AI-generated explanations,\ndescriptions, notes, help text. Pass the raw markdown string\nstraight through; never pre-parse it, never split it into per-line\n`Text` elements, and never rebuild formatting with nested\n`<strong>`/`<em>` markup yourself.\n\nSafe by construction: raw HTML in the source displays as literal\ntext (never markup), and links render inert unless their scheme is\nhttp(s)/mailto. Streaming-tolerant: a mid-stream prefix parses\ncleanly and completed constructs never change shape, so binding a\ngrowing string re-renders correctly.\n\nFor a single line of formatted text INSIDE another element (a table\ncell, a list row, a caption), use `MarkdownInline` instead -- same\n`markdown` prop, inline-level constructs only (no headings, lists,\nor code fences), renders inside the parent's typography.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| markdown | `string` | - | Markdown source text, passed through verbatim. Supports the conversational subset: `#`-`###` headings, paragraphs, bold, italic, inline code, fenced code blocks, `-`/`1.` lists, and `[label](url)` links. Bind stateful or streamed prose directly. |\n\n**Example:**\n```tsx\n<Stack gap=\"md\">\n  <Markdown markdown={recipe.instructions} />\n</Stack>\n```\n\n### MarkdownInline\n\nMarkdownInline -- renders ONE line of inline-level markdown (bold,\nitalic, inline code, links) inside the parent's typography -- a table\ncell, a list row, a caption, a summary line. Same `markdown` prop as\n`Markdown`; block constructs (headings, lists, code fences) are not\nrendered -- reach for `Markdown` for multi-paragraph bodies.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| markdown | `string` | - | Inline markdown source -- bold, italic, inline code, and `[label](url)` links. Block-level syntax renders as plain text. |\n\n**Example:**\n```tsx\n<Row gap=\"sm\">\n  <Badge variant=\"success\">stable</Badge>\n  <MarkdownInline markdown={release.summary} />\n</Row>\n```\n\n### Support Types\n\n**DropdownOption:**\n\nA single option inside a `Dropdown`. Each option maps to one `MenuItem`\ninternally.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| value | `string` | Unique identifier returned to `onChange` when this option is selected. |\n| label | `string` | Human-readable text shown in the menu row. |\n| icon | `ReactNode` | Optional icon rendered to the left of the label via `MenuItem.icon`. |\n| disabled | `boolean` | When `true`, the option is visible but non-interactive. |\n| danger | `boolean` | When `true`, the option uses destructive (red) styling via `MenuItem.danger`. |\n\n**AutocompleteOption:**\n\nA single option in the `Autocomplete` suggestion list.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| value | `string` | Unique identifier for this option. Also used for case-insensitive filtering against the input value. |\n| label | `string` | Primary display text. Also used for case-insensitive filtering and is written into the input on selection. |\n| description | `string` | Secondary description rendered below the label in `fontSize.xs` / `colors.gray[500]`. |\n| icon | `ReactNode` | Icon rendered to the left of the label/description block. Flex-shrink 0. |\n| disabled | `boolean` | When `true`, the option is visible but non-interactive (`cursor: not-allowed`, `colors.gray[400]` text). |\n\n**BreadcrumbItem:**\n\nA single segment in a `Breadcrumb` trail. Items with `href` render as\n`Link` primitives; items without render as plain `<button>` elements.\nThe last item in the array is always rendered as static text with\n`aria-current=\"page\"`.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| label | `string` | Display text for this breadcrumb segment. |\n| href | `string` | URL for this segment. When provided (and this is not the last item), the segment renders as a `Link` primitive with `underline=\"hover\"`. When omitted, it renders as a `<button>`. |\n| icon | `ReactNode` | Icon rendered immediately before the label. Its color follows the segment's text color: `colors.gray[500]` for navigable items, `colors.gray[900]` for the current (last) item. |\n\n\n## Compositions\n\nImport: `import { Component } from '@ggui-ai/design'`\n\n### Header\n\nProps for the `Header` composition.\n\nA horizontal page header that arranges a logo, navigation, and action slots\nin a flex row (`justify-content: space-between`). Internally renders a `<header>` element;\ndoes not compose other ggui primitives.\n\nWhen `sticky` is true the header gets `position: sticky; top: 0` with `zIndex.sticky`\nand a `shadow.sm` box-shadow.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| logo | `ReactNode` | - | Logo or brand element rendered at the start (flex-shrink: 0). |\n| navigation | `ReactNode` | - | Navigation content rendered in a `<nav>` element with `flex: 1` and a 32 px left margin. |\n| actions | `ReactNode` | - | Right-side action elements (buttons, avatar, etc.) rendered with a 12 px gap. |\n| sticky | `boolean` | `false` | When true, the header becomes `position: sticky` at the top of its scroll container with `zIndex.sticky` and `shadow.sm`. |\n| background | `string` | `colors.white` | Background color of the header. |\n| bordered | `boolean` | `true` | When true, renders a 1 px bottom border in `colors.gray[200]`. |\n\n**Example:**\n```tsx\n```tsx\n<Header\n  logo={<img src=\"/logo.svg\" alt=\"Acme\" />}\n  navigation={<a href=\"/docs\">Docs</a>}\n  actions={<Button size=\"sm\">Sign In</Button>}\n  sticky\n  bordered\n/>\n```\n```\n\n### Sidebar\n\nProps for the `Sidebar` composition.\n\nA vertical navigation panel that composes the `Icon` primitive for chevron indicators.\nItems are rendered as `<button>` elements inside a scrollable `<nav>`. Nested items\nare indented 16 px per depth level. The sidebar animates width changes with a 200 ms\nCSS transition. Active items are highlighted with `colors.primary[50]` background\nand `colors.primary[700]` text.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| items | `SidebarItem[]` | - | Array of navigation items to render. |\n| activeId | `string` | - | ID of the currently active item. Matched items get a highlighted background and bold text. |\n| onItemClick | `(item: SidebarItem) => void` | - | Called when any item (including parent items with children) is clicked. |\n| collapsed | `boolean` | `false` | When true, hides labels and badges; only icons remain visible, centered in the collapsed width. Nested children are hidden entirely. |\n| header | `ReactNode` | - | Content rendered above the item list, separated by a bottom border. |\n| footer | `ReactNode` | - | Content rendered below the item list, separated by a top border. |\n| width | `number` | `256` | Width in pixels when expanded. |\n| collapsedWidth | `number` | `64` | Width in pixels when collapsed. |\n\n**Example:**\n```tsx\n```tsx\n<Sidebar\n  items={[\n    { id: 'home', label: 'Home', icon: <Icon name=\"home\" /> },\n    { id: 'settings', label: 'Settings', icon: <Icon name=\"settings\" />,\n      children: [\n        { id: 'profile', label: 'Profile' },\n        { id: 'billing', label: 'Billing' },\n      ]},\n  ]}\n  activeId=\"home\"\n  onItemClick={(item) => navigate(item.href)}\n  collapsed={false}\n  width={256}\n/>\n```\n```\n\n### CardGrid\n\nProps for the `CardGrid` composition.\n\nA CSS Grid wrapper that arranges children in equal-width columns. When `columns`\nis a number, it produces `repeat(N, 1fr)`. When it is a responsive object,\nit falls back to `repeat(auto-fit, minmax(280px, 1fr))` for fluid responsive behavior.\n\nDoes not compose any ggui primitives internally \u2014 it is a pure layout container.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| children | `ReactNode` | - | Card elements to arrange in the grid. |\n| columns | `number \\| { sm?: number; md?: number; lg?: number }` | `3` | Number of columns, or a responsive breakpoint map.  - `number` \u2014 fixed column count via `repeat(N, 1fr)`. - `{ sm?, md?, lg? }` \u2014 triggers `repeat(auto-fit, minmax(280px, 1fr))` for fluid layout. |\n| gap | `number` | `16` | Gap between grid items in pixels. |\n\n**Example:**\n```tsx\n```tsx\n<CardGrid columns={3} gap={24}>\n  <Card>A</Card>\n  <Card>B</Card>\n  <Card>C</Card>\n</CardGrid>\n```\n```\n\n### CommentThread\n\nProps for the `CommentThread` composition.\n\nA threaded comment section that composes `Avatar`, `Button`, `TextArea`, and `Spinner`\nprimitives. Comments are rendered recursively with 40 px indentation per nesting level.\nEach comment shows author avatar, name, timestamp, content, reactions, and a \"Reply\" toggle.\nWhen `currentUser` is provided, a new-comment input with avatar and submit button is shown\nabove the thread.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| comments | `Comment[]` | - | Array of top-level comments to render. Replies are nested within each comment. |\n| currentUser | `{     /** Display name for the current user's avatar. */     name: string;     /** Avatar image URL for the current user. */     avatar?: string;   }` | - | Current user info. When provided, a new-comment input area is rendered above the thread. |\n| onAddComment | `(content: string, parentId?: string) => void` | - | Called when the user submits a new top-level comment. |\n| onReply | `(commentId: string, content: string) => void` | - | Called when the user submits a reply to an existing comment. |\n| onReaction | `(commentId: string, emoji: string) => void` | - | Called when the user clicks an emoji reaction on a comment. |\n| loading | `boolean` | - | When true, shows a centered `Spinner` instead of the comment list. |\n\n**Example:**\n```tsx\n```tsx\n<CommentThread\n  comments={[\n    { id: '1', author: { name: 'Alice' }, content: 'Great work!', timestamp: new Date(),\n      replies: [{ id: '2', author: { name: 'Bob' }, content: 'Thanks!', timestamp: new Date() }] }\n  ]}\n  currentUser={{ name: 'Alice', avatar: '/alice.jpg' }}\n  onAddComment={(content) => post(content)}\n  onReply={(commentId, content) => reply(commentId, content)}\n  onReaction={(commentId, emoji) => react(commentId, emoji)}\n/>\n```\n```\n\n### DataTable\n\nProps for the `DataTable` composition.\n\nA sortable, selectable data table that composes `Checkbox`, `Spinner`, and `Icon`\nprimitives. Renders a `<table>` inside a bordered container with 8 px border-radius.\nThe header row has a `colors.gray[50]` background. Sortable columns show a chevron\nicon on click (toggles asc/desc). Selected rows are highlighted with `colors.primary[50]`.\nRow background transitions use a 150 ms ease. The \"select all\" checkbox supports an\nindeterminate state when a subset of rows is selected.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| columns | `DataTableColumn<T>[]` | - | Column definitions that control header, alignment, sorting, and rendering. |\n| data | `T[]` | - | Row data array. Each entry corresponds to one table row. |\n| rowKey | `string \\| ((row: T) => string)` | `'id'` | Property name or function used to derive a unique key for each row. |\n| loading | `boolean` | - | When true, shows a centered `Spinner` instead of table body rows. |\n| emptyText | `string` | `'No data'` | Text shown when `data` is empty and not loading. |\n| onSort | `(key: string, direction: 'asc' \\| 'desc') => void` | - | Called when a sortable column header is clicked. Toggles direction automatically (asc -> desc) if the same column is clicked again. |\n| sortKey | `string` | - | The column key currently being sorted. |\n| sortDirection | `'asc' \\| 'desc'` | - | The current sort direction. |\n| onRowClick | `(row: T, index: number) => void` | - | Called when a row is clicked. Rows get `cursor: pointer` when this handler is provided. |\n| selectable | `boolean` | - | When true, adds a checkbox column at the start of each row. |\n| selectedKeys | `string[]` | `[]` | Array of currently selected row keys. |\n| onSelectionChange | `(keys: string[]) => void` | - | Called when the set of selected row keys changes (via row checkbox or select-all). |\n\n**Example:**\n```tsx\n```tsx\n<DataTable\n  columns={[\n    { key: 'name', header: 'Name', sortable: true },\n    { key: 'email', header: 'Email' },\n    { key: 'role', header: 'Role', render: (v) => <Badge>{v}</Badge> },\n  ]}\n  data={users}\n  rowKey=\"id\"\n  selectable\n  selectedKeys={selected}\n  onSelectionChange={setSelected}\n  onSort={(key, dir) => sort(key, dir)}\n  sortKey=\"name\"\n  sortDirection=\"asc\"\n/>\n```\n```\n\n### ChatWindow\n\nProps for the `ChatWindow` composition.\n\nA messaging interface that composes `Avatar`, `Button`, `Spinner`, and `Icon` primitives.\nLayout is a flex column filling 100% height with a bordered `radius.lg` container.\nMessages from the current user align right with `colors.primary[600]` bubbles and white text.\nOther users' messages align left with `colors.gray[100]` bubbles. The message area\nauto-scrolls to the bottom on new messages via `scrollIntoView({ behavior: 'smooth' })`.\nThe text input sends on Enter (Shift+Enter for newline).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| messages | `ChatMessage[]` | - | Array of chat messages to display in chronological order. |\n| currentUserId | `string` | - | ID of the current user. Messages from this user render right-aligned with a primary color bubble. |\n| onSendMessage | `(content: string) => void` | - | Called when the user submits a message (Enter key or send button). |\n| loading | `boolean` | - | When true, shows a centered `Spinner` instead of the message list. |\n| typing | `{ name: string } \\| null` | - | When non-null, displays a typing indicator below the last message (e.g., \"Alice is typing...\"). |\n| placeholder | `string` | `'Type a message...'` | Placeholder text for the message input field. |\n| header | `ReactNode` | - | Optional header content rendered above the message area, separated by a bottom border. |\n\n**Example:**\n```tsx\n```tsx\n<ChatWindow\n  messages={messages}\n  currentUserId=\"user-1\"\n  onSendMessage={(content) => send(content)}\n  typing={{ name: 'Alice' }}\n  placeholder=\"Type a message...\"\n  header={<h3>Chat with Alice</h3>}\n/>\n```\n```\n\n### NavigationBar\n\nProps for the `NavigationBar` composition.\n\nA horizontal or vertical navigation menu. Does not compose other ggui primitives\n(uses plain `<button>` and `<a>` elements). Active items are styled per variant:\n\n- `'default'` \u2014 active item gets `colors.primary[600]` text and medium font weight.\n- `'pills'` \u2014 active item gets a `radius.full` pill with `colors.primary[100]` background.\n- `'underline'` \u2014 active item gets a 2 px bottom border in `colors.primary[600]`.\n  When horizontal, the entire nav also has a 1 px bottom border.\n\nAll items have a 150 ms transition on all properties.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| items | `NavItem[]` | - | Array of navigation items to render. |\n| activeId | `string` | - | ID of the currently active item. Controls visual highlighting per variant style. |\n| onItemClick | `(item: NavItem) => void` | - | Called when a non-disabled item is clicked. For `<a>` elements, `preventDefault` is called first. |\n| orientation | `'horizontal' \\| 'vertical'` | `'horizontal'` | Layout direction. - `'horizontal'` \u2014 flex-row with 4 px gap. - `'vertical'` \u2014 flex-column with 2 px gap. |\n| variant | `'default' \\| 'pills' \\| 'underline'` | `'default'` | Visual style for active/inactive items. - `'default'` \u2014 text color change only. - `'pills'` \u2014 rounded pill background on active items. - `'underline'` \u2014 bottom border on active items. |\n\n**Example:**\n```tsx\n```tsx\n<NavigationBar\n  items={[\n    { id: 'home', label: 'Home', icon: <Icon name=\"home\" /> },\n    { id: 'about', label: 'About' },\n    { id: 'contact', label: 'Contact' },\n  ]}\n  activeId=\"home\"\n  onItemClick={(item) => navigate(item.id)}\n  orientation=\"horizontal\"\n  variant=\"pills\"\n/>\n```\n```\n\n### FileUploader\n\nProps for the `FileUploader` composition.\n\nA drag-and-drop file upload area that composes `Button`, `Progress`, and `Icon` primitives.\nThe drop zone is a dashed-border container that highlights in `colors.primary[400]`/`colors.primary[50]`\non drag-over. Below the drop zone, each file in `files` is listed with its name, size,\noptional progress bar (for uploading status), and a remove button.\n\nFile validation (max size, max count) is applied client-side before calling `onFilesSelected`.\nFiles exceeding `maxSize` are silently filtered out; files exceeding `maxFiles` are truncated.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| files | `UploadedFile[]` | `[]` | Array of files currently in the upload queue, shown below the drop zone. |\n| onFilesSelected | `(files: File[]) => void` | - | Called when the user selects files via click or drag-and-drop. Receives native `File` objects after client-side filtering (maxSize, maxFiles). |\n| onFileRemove | `(fileId: string) => void` | - | Called when the user clicks the remove button on a file entry. |\n| accept | `string` | - | Accepted file types passed to the hidden `<input type=\"file\" accept=\"...\">`. E.g., `'image/*,.pdf'`. |\n| multiple | `boolean` | `true` | When true, allows selecting multiple files at once. |\n| maxSize | `number` | - | Maximum file size in bytes. Files exceeding this are silently excluded from the selection. |\n| maxFiles | `number` | - | Maximum number of files. Excess files beyond `maxFiles - files.length` are truncated. |\n| disabled | `boolean` | - | When true, the drop zone is visually dimmed (opacity 0.5) and non-interactive. |\n| dragDrop | `boolean` | `true` | When true, enables drag-and-drop on the drop zone. When false, the prompt text changes to \"Click to browse files\". |\n\n**Example:**\n```tsx\n```tsx\n<FileUploader\n  files={uploadedFiles}\n  onFilesSelected={(files) => startUpload(files)}\n  onFileRemove={(id) => removeFile(id)}\n  accept=\"image/*,.pdf\"\n  multiple\n  maxSize={5 * 1024 * 1024}\n  maxFiles={10}\n  dragDrop\n/>\n```\n```\n\n### NotificationCenter\n\nProps for the `NotificationCenter` composition.\n\nA notification list with a header bar that composes `Button`, `Spinner`, and `Icon`\nprimitives. The header shows a \"Notifications\" title, an unread count badge\n(pill in `colors.primary[100]`), and \"Mark all read\" / \"Clear all\" buttons.\nEach notification item shows a colored status dot, title, message, timestamp,\n\"Mark as read\" link, and optional action. The list is scrollable (`overflowY: auto`).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| notifications | `Notification[]` | - | Array of notifications to display, in the order provided. |\n| onMarkAsRead | `(id: string) => void` | - | Called when the user clicks \"Mark as read\" on an individual notification. |\n| onMarkAllAsRead | `() => void` | - | Called when the user clicks the \"Mark all read\" header button. Only shown when there are unread items. |\n| onDismiss | `(id: string) => void` | - | Called when the user clicks the dismiss (X) button on an individual notification. |\n| onClearAll | `() => void` | - | Called when the user clicks the \"Clear all\" header button. Only shown when there are any notifications. |\n| emptyText | `string` | `'No notifications'` | Text shown when `notifications` is empty and not loading. |\n| loading | `boolean` | - | When true, shows a centered `Spinner` instead of the notification list. |\n\n**Example:**\n```tsx\n```tsx\n<NotificationCenter\n  notifications={[\n    { id: '1', title: 'Deployment complete', type: 'success', timestamp: new Date(), read: false },\n    { id: '2', title: 'Build failed', type: 'error', message: 'Lint errors', timestamp: new Date() },\n  ]}\n  onMarkAsRead={(id) => markRead(id)}\n  onMarkAllAsRead={() => markAllRead()}\n  onDismiss={(id) => dismiss(id)}\n  onClearAll={() => clearAll()}\n/>\n```\n```\n\n### Modal\n\nProps for the `Modal` composition.\n\nA dialog overlay that composes `Button`, `Icon`, and `Heading` primitives.\nThe overlay uses `animation.fadeIn` (`ggui-fadeIn`) and the dialog panel uses\n`animation.scaleIn` (`ggui-scaleIn`) \u2014 both GPU-composited (opacity + transform).\nWhen open, `document.body.style.overflow` is set to `'hidden'` to prevent background\nscrolling, and restored on close. The dialog has `role=\"dialog\"` and `aria-modal=\"true\"`.\n\nSize widths: `sm` = 400 px, `md` = 500 px, `lg` = 640 px, `xl` = 800 px,\n`full` = 100vw (no border-radius, no padding).\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| open | `boolean` | - | Controls modal visibility. When false, the component renders nothing. |\n| onClose | `() => void` | - | Called to close the modal (overlay click, escape key, or close button). |\n| title | `string` | - | Optional title rendered in the modal header via the `Heading` primitive (level 4). |\n| children | `ReactNode` | - | Modal body content rendered in a scrollable area (`overflowY: auto`). |\n| footer | `ReactNode` | - | Footer content rendered below the body, right-aligned with an 8 px gap, separated by a top border. |\n| size | `'sm' \\| 'md' \\| 'lg' \\| 'xl' \\| 'full'` | `'md'` | Controls the width of the modal panel. - `'sm'` \u2014 400 px - `'md'` \u2014 500 px - `'lg'` \u2014 640 px - `'xl'` \u2014 800 px - `'full'` \u2014 100vw, no border-radius, stretches to fill viewport |\n| closeOnOverlayClick | `boolean` | `true` | When true, clicking the semi-transparent overlay behind the modal calls `onClose`. |\n| closeOnEscape | `boolean` | `true` | When true, pressing the Escape key calls `onClose`. |\n| showCloseButton | `boolean` | `true` | When true, renders a ghost close button (X icon) in the modal header. |\n\n**Example:**\n```tsx\n```tsx\n<Modal\n  open={isOpen}\n  onClose={() => setOpen(false)}\n  title=\"Confirm Action\"\n  size=\"md\"\n  footer={\n    <>\n      <Button variant=\"ghost\" onClick={() => setOpen(false)}>Cancel</Button>\n      <Button onClick={handleConfirm}>Confirm</Button>\n    </>\n  }\n>\n  <p>Are you sure you want to proceed?</p>\n</Modal>\n```\n```\n\n### CommandPalette\n\nProps for the `CommandPalette` composition.\n\nA searchable command menu (Cmd+K / Ctrl+K pattern) that composes `Spinner` and `Icon`\nprimitives. Appears as a centered overlay at 15vh from the top. Commands are filtered\nby label and description (case-insensitive substring match). Results are grouped under\nuppercase section headers. Keyboard navigation is fully supported:\nArrow Up/Down to navigate, Enter to select, Escape to close.\n\nWhen `recentIds` are provided and the search query is empty, matching commands appear\nin a \"Recent\" section at the top (deduplicated from their original groups).\n\nThe footer shows navigation hints: \"Up/Down Navigate\", \"Enter Select\", \"Esc Close\".\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| open | `boolean` | - | Controls palette visibility. When false, the component renders nothing. |\n| onClose | `() => void` | - | Called to close the palette (overlay click, Escape key, or after command selection). |\n| commands | `Command[]` | - | Full array of available commands. Filtered client-side by the search query. |\n| onSelect | `(command: Command) => void` | - | Called when a non-disabled command is selected (Enter key or click). The palette auto-closes after selection. |\n| placeholder | `string` | `'Search commands...'` | Placeholder text for the search input. |\n| recentIds | `string[]` | `[]` | IDs of recently used commands. When the query is empty, these appear in a \"Recent\" section at the top of the results. |\n| loading | `boolean` | - | When true, shows a centered `Spinner` instead of the command list. |\n\n**Example:**\n```tsx\n```tsx\n<CommandPalette\n  open={isOpen}\n  onClose={() => setOpen(false)}\n  commands={[\n    { id: 'new', label: 'New File', shortcut: 'Ctrl+N', group: 'File' },\n    { id: 'save', label: 'Save', shortcut: 'Ctrl+S', group: 'File' },\n    { id: 'theme', label: 'Toggle Theme', group: 'Preferences' },\n  ]}\n  onSelect={(cmd) => executeCommand(cmd.id)}\n  recentIds={['save']}\n  placeholder=\"Search commands...\"\n/>\n```\n```\n\n### Footer\n\nProps for the `Footer` composition.\n\nA site footer with `role=\"contentinfo\"` that lays out a brand slot, link columns,\nsocial icons, and a bottom bar. Does not compose other ggui primitives (uses plain\nHTML elements). Content is constrained to `max-width: 1280px` with auto margins.\nLink columns use a responsive flex layout (`flex: 0 1 180px`). The bottom bar\nincludes copyright text, social links, and bottom-bar links separated by a top border.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| brand | `ReactNode` | - | Brand element (logo, tagline) rendered in a flexible column (`flex: 1 1 280px`). |\n| columns | `FooterColumn[]` | - | Array of link columns rendered in a flex-wrap layout with 48 px gap. |\n| socialLinks | `FooterSocialLink[]` | - | Social media icon links rendered in the bottom bar. |\n| bottomText | `string` | - | Text displayed at the start of the bottom bar (e.g., copyright notice). |\n| bottomLinks | `FooterLink[]` | - | Links displayed in the bottom bar after social icons (e.g., Privacy, Terms). |\n| background | `string` | `colors.gray[50]` | Background color of the footer. |\n| bordered | `boolean` | `true` | When true, renders a 1 px top border in `colors.gray[200]`. |\n\n**Example:**\n```tsx\n```tsx\n<Footer\n  brand={<img src=\"/logo.svg\" alt=\"Acme\" />}\n  columns={[\n    { title: 'Product', links: [{ label: 'Features', href: '/features' }] },\n    { title: 'Company', links: [{ label: 'About', href: '/about' }] },\n  ]}\n  socialLinks={[\n    { label: 'Twitter', href: 'https://twitter.com/acme', icon: <TwitterIcon /> },\n  ]}\n  bottomText=\"&copy; 2026 Acme Inc.\"\n  bottomLinks={[{ label: 'Privacy', href: '/privacy' }]}\n  bordered\n/>\n```\n```\n\n### Hero\n\nProps for the `Hero` composition.\n\nA prominent landing-page hero section that renders heading, description, CTA buttons,\nand an optional media slot. Does not compose other ggui primitives (uses plain HTML\nelements styled with design tokens). Content is constrained to `max-width: 1280px`.\n\nLayout modes:\n- `align='center'` \u2014 single-column centered layout with `max-width: 800px` text area.\n- `align='left'` \u2014 two-column side-by-side layout (50/50 split with media slot).\n\nSize controls vertical padding and font sizes:\n- `'sm'` \u2014 48 px vertical padding, 3xl heading, lg description.\n- `'md'` \u2014 80 px vertical padding, 4xl heading, xl description.\n- `'lg'` \u2014 120 px vertical padding, 5xl heading, xl description.\n\nThe primary action button uses `colors.primary[600]` fill; the secondary action uses\nan outlined style. When `overlay` is true with a `backgroundImage`, text switches to white\nand borders become semi-transparent.\n\n**Props:**\n\n| Prop | Type | Default | Description |\n|------|------|---------|-------------|\n| heading | `string` | - | Main heading text rendered as an `<h1>` with bold weight and tight line-height. |\n| description | `string` | - | Description paragraph rendered below the heading with relaxed line-height. |\n| primaryAction | `HeroAction` | - | Primary CTA button rendered with `colors.primary[600]` background and white text. |\n| secondaryAction | `HeroAction` | - | Secondary CTA button rendered with a transparent background and a 1 px border. |\n| media | `ReactNode` | - | Media element (image, video, illustration) rendered beside or below the text content. |\n| align | `'center' \\| 'left'` | `'center'` | Text and layout alignment. - `'center'` \u2014 centered single-column layout. - `'left'` \u2014 left-aligned text with media in a right column (50/50 split). |\n| size | `'sm' \\| 'md' \\| 'lg'` | `'md'` | Controls vertical padding and heading/description font sizes. - `'sm'` \u2014 compact (48 px padding, 3xl/lg fonts). - `'md'` \u2014 standard (80 px padding, 4xl/xl fonts). - `'lg'` \u2014 spacious (120 px padding, 5xl/xl fonts). |\n| background | `string` | `colors.white (when no backgroundImage is set)` | Background color of the hero section. |\n| backgroundImage | `string` | - | Background image URL applied as `background-size: cover; background-position: center`. |\n| overlay | `boolean` | `false` | When true and `backgroundImage` is set, renders a semi-transparent black overlay (`rgba(0,0,0,0.5)`) and switches text to white/semi-transparent white for contrast. |\n\n**Example:**\n```tsx\n```tsx\n<Hero\n  heading=\"Build Better UIs, Faster\"\n  description=\"The universal interface layer between AI agents and humans.\"\n  primaryAction={{ label: 'Get Started', onClick: () => navigate('/signup') }}\n  secondaryAction={{ label: 'Learn More', href: '/docs' }}\n  media={<img src=\"/hero.png\" alt=\"Hero\" />}\n  align=\"left\"\n  size=\"lg\"\n/>\n```\n```\n\n### Support Types\n\n**SidebarItem:**\n\nA single navigation entry in a `Sidebar`. Supports nested children for\ncollapsible sub-menus and an optional badge slot.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier used for active-state matching and React keys. |\n| label | `string` | Display label for the item. Hidden when the sidebar is collapsed. |\n| icon | `ReactNode` | Leading icon rendered before the label. Remains visible when collapsed. |\n| href | `string` | Optional URL associated with this item (not rendered as a link by default). |\n| badge | `ReactNode` | Trailing badge element (e.g., unread count). Hidden when collapsed. |\n| children | `SidebarItem[]` | Nested child items. When present, the item acts as a collapsible section (chevron indicator shown). |\n| disabled | `boolean` | When true, the item is visually dimmed and non-interactive (`cursor: not-allowed`). |\n\n**Comment:**\n\nA single comment entry in a `CommentThread`. Supports nested replies\nand emoji reactions with counts.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier for this comment. |\n| author | `{     /** Display name of the author. */     name: string;     /** URL for the author's avatar image. Passed to the `Avatar` primitive. */     avatar?: string;   }` | Comment author metadata. |\n| content | `string` | The comment body text. |\n| timestamp | `string \\| Date` | Timestamp of the comment. Rendered via `toLocaleString()` when a `Date` object. |\n| replies | `Comment[]` | Nested reply comments. Each reply is rendered indented 40 px deeper. |\n| reactions | `{ emoji: string; count: number }[]` | Emoji reactions with their aggregated counts (e.g., `{ emoji: \"\uD83D\uDC4D\", count: 3 }`). |\n\n**DataTableColumn:**\n\nColumn definition for a `DataTable`. Controls header text, width, alignment,\nsorting, and custom cell rendering.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| key | `string` | Property key on the row object used to extract cell values. Also serves as the sort key. |\n| header | `string` | Column header text displayed in the `<thead>`. |\n| width | `number \\| string` | Column width as a CSS value (number for pixels, string for any CSS unit). |\n| sortable | `boolean` | When true, the column header is clickable and triggers `onSort`. An arrow icon indicates direction. |\n| render | `(value: unknown, row: T, index: number) => ReactNode` | Custom cell renderer. When omitted, the raw value is stringified via `String()`. |\n| align | `'left' \\| 'center' \\| 'right'` | Text alignment for both header and body cells. |\n\n**ChatMessage:**\n\nA single message in a `ChatWindow`. Includes sender metadata, delivery status,\nand a timestamp.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier for this message. |\n| content | `string` | The message body text. |\n| sender | `{     /** Unique ID of the sender. Compared to `currentUserId` to determine alignment. */     id: string;     /** Display name of the sender. */     name: string;     /** Avatar image URL. Only shown for non-current-user messages (xs size). */     avatar?: string;   }` | Sender metadata used for avatar rendering and alignment. |\n| timestamp | `string \\| Date` | Message timestamp. Rendered as `HH:MM` via `toLocaleTimeString` when a `Date` object. |\n| status | `'sending' \\| 'sent' \\| 'delivered' \\| 'read' \\| 'error'` | Delivery status indicator shown on the current user's messages. - `'sending'` \u2014 shows a dot bullet - `'sent'` \u2014 shows a single checkmark - `'delivered'` \u2014 shows double checkmarks - `'read'` \u2014 shows double checkmarks (same visual as delivered) - `'error'` \u2014 shows an exclamation mark |\n\n**NavItem:**\n\nA single navigation entry in a `NavigationBar`. Supports nested children\nfor sub-menus (rendered by the parent via dropdown, not built-in).\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier used for active-state matching and React keys. |\n| label | `string` | Display label for the navigation link. |\n| href | `string` | URL for the item. When provided, renders an `<a>` element instead of `<button>`. |\n| icon | `ReactNode` | Optional icon rendered before the label. |\n| children | `NavItem[]` | Nested child items (for sub-menu structures; rendering is consumer-defined). |\n| disabled | `boolean` | When true, the item is visually dimmed (opacity 0.5) and non-interactive. |\n\n**UploadedFile:**\n\nA file entry in the `FileUploader` composition. Tracks upload progress,\nstatus, and optional error messages.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier for this file entry. Used as a key and for removal callbacks. |\n| name | `string` | Original file name. Rendered with text-overflow ellipsis when too long. |\n| size | `number` | File size in bytes. Formatted as B/KB/MB/GB for display. |\n| type | `string` | MIME type of the file (e.g., `'image/png'`). |\n| progress | `number` | Upload progress as a percentage (0-100). Shown via the `Progress` primitive when status is `'uploading'`. |\n| status | `'pending' \\| 'uploading' \\| 'success' \\| 'error'` | Current upload lifecycle status. - `'pending'` \u2014 file selected but upload not started. - `'uploading'` \u2014 upload in progress; `progress` bar is shown. - `'success'` \u2014 upload completed. - `'error'` \u2014 upload failed; `error` message is shown in `colors.error[500]`. |\n| error | `string` | Error message displayed when status is `'error'`. |\n| url | `string` | The remote URL of the uploaded file after successful upload. |\n\n**Notification:**\n\nA single notification entry in the `NotificationCenter`. Supports semantic type coloring,\nread state, and an optional inline action button.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier for this notification. |\n| title | `string` | Notification title rendered in medium weight. |\n| message | `string` | Optional body text rendered below the title in a smaller font. |\n| timestamp | `string \\| Date` | Timestamp of the notification. Rendered via `toLocaleString()` when a `Date` object. |\n| read | `boolean` | Read state. Unread notifications get a `colors.primary[50]` background and a colored status dot matching the notification type. |\n| type | `'info' \\| 'success' \\| 'warning' \\| 'error'` | Semantic type that controls the status dot color on unread notifications. - `'info'` \u2014 `colors.info[500]` (blue) - `'success'` \u2014 `colors.success[500]` (green) - `'warning'` \u2014 `colors.warning[500]` (amber) - `'error'` \u2014 `colors.error[500]` (red) |\n| icon | `ReactNode` | Optional icon rendered alongside the notification (not used by the default implementation). |\n| action | `{     /** Button label text. */     label: string;     /** Click handler for the action. */     onClick: () => void;   }` | Optional inline action button rendered next to the timestamp. |\n\n**Command:**\n\nA single command entry in a `CommandPalette`. Commands can be grouped,\nhave keyboard shortcuts, and support a disabled state.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| id | `string` | Unique identifier for this command. |\n| label | `string` | Display label for the command. Searchable by the palette's query filter. |\n| description | `string` | Optional description text shown below the label. Also searchable. |\n| icon | `ReactNode` | Icon rendered at the start of the command row. |\n| shortcut | `string` | Keyboard shortcut hint displayed at the end of the row in a `<kbd>` element. |\n| group | `string` | Group name for visual sectioning. Commands with the same group are rendered under a shared header. Defaults to `'Commands'` if omitted. |\n| disabled | `boolean` | When true, the command is visually dimmed and cannot be selected. |\n\n**FooterLink:**\n\nA single link entry in a footer column or the bottom bar. Supports both\n`href` navigation and `onClick` handlers (onClick takes precedence via `preventDefault`).\n\n| Property | Type | Description |\n|----------|------|-------------|\n| label | `string` | Display text for the link. |\n| href | `string` | URL for the link. |\n| onClick | `() => void` | Click handler. When provided, `preventDefault` is called on the anchor click. |\n\n**FooterColumn:**\n\nA named column of links in the `Footer` layout. Each column has an optional title\nand a list of links rendered as a vertical stack with 10 px gap.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| title | `string` | Column heading rendered as an `<h4>` with semibold weight. |\n| links | `FooterLink[]` | Links displayed in this column. |\n\n**FooterSocialLink:**\n\nA social media link in the `Footer` bottom bar. Rendered as an icon-only anchor\nwith `aria-label` for accessibility.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| label | `string` | Accessible label for the social link (used as `aria-label`). |\n| href | `string` | URL for the social media profile or page. |\n| icon | `ReactNode` | Icon element rendered inside the anchor (typically an SVG or `Icon` primitive). |\n\n**HeroAction:**\n\nA call-to-action button definition for the `Hero` composition.\nUsed for both the primary (filled) and secondary (outlined) action buttons.\n\n| Property | Type | Description |\n|----------|------|-------------|\n| label | `string` | Button label text. |\n| onClick | `() => void` | Click handler for the button. |\n| href | `string` | Optional URL (not used by the default implementation; available for consumer routing). |\n\n\n## System Conventions\n\n### onChange Behavior (CRITICAL)\n\nAll form control onChange handlers receive the VALUE DIRECTLY, not a React event object.\n\n```tsx\n// CORRECT \u2014 onChange receives value directly\n<Input value={name} onChange={setName} />\n<Input value={email} onChange={(value) => setEmail(value)} />\n<Select value={country} onChange={setCountry} options={countries} />\n<Checkbox checked={agreed} onChange={setAgreed} />\n\n// WRONG \u2014 DO NOT use e.target.value!\n<Input value={name} onChange={(e) => setName(e.target.value)} /> // WILL BREAK\n```\n\nApplies to: Input, TextArea, Select, Checkbox, RadioGroup, Slider, Tabs, Accordion.\n\n### Available Motion & Animation\n\nRender `<MotionKeyframes />` once (anywhere in tree) to enable all keyframes.\n\n**Entrance/exit:** fadeIn, fadeOut, slideInUp, slideInDown, scaleIn, scaleOut\n**State feedback:** flash (background-color highlight), pulse (opacity breathing), bounce (scale overshoot)\n**Easing:** linear, easeIn, easeOut, easeInOut, spring (bouncy)\n**Durations:** instant(0ms), fast(100ms), normal(200ms), slow(300ms), slower(500ms)\n\n```tsx\n// Entrance animation on mount\n<div style={{ animation: 'ggui-fadeIn 200ms ease-out' }}>Content</div>\n\n// Stagger list items\n{items.map((item, i) => (\n  <div key={item.id} style={{ animation: \\`ggui-slideInUp 300ms ease-out \\${i * 50}ms both\\` }}>\n    {item.name}\n  </div>\n))}\n\n// Flash highlight when data changes (e.g., stock price update)\n// useAnimationKey returns a key that increments when dep changes \u2192 remounts element \u2192 replays animation\nconst priceKey = useAnimationKey(stock.price);\n<div key={priceKey} style={{\n  animation: animation.flash,\n  '--ggui-flash-color': stock.change > 0 ? 'var(--ggui-color-success-100)' : 'var(--ggui-color-error-100)',\n} as React.CSSProperties}>\n  {stock.price}\n</div>\n\n// Respect reduced-motion preference\nconst { motionEnabled } = useMotion();\n<div style={motionEnabled ? { animation: 'ggui-scaleIn 200ms ease-out' } : undefined}>\n  Content\n</div>\n```\n\n### Elevation System\n\n6 levels mapping shadow intensity to z-index for layering:\n- Level 0: flat (no shadow, z: auto) \u2014 inline content\n- Level 1: sm shadow (z: auto) \u2014 cards, sections\n- Level 2: md shadow (z: 1000) \u2014 dropdowns, popovers\n- Level 3: lg shadow (z: 1200) \u2014 sticky banners\n- Level 4: xl shadow (z: 1400) \u2014 modals, dialogs\n- Level 5: 2xl shadow (z: 1800) \u2014 tooltips, toasts\n\n### Import Constraints\n\nOnly these imports are allowed:\n- `react`\n- `@ggui-ai/design` \u2014 the whole design system (primitives, components, compositions, and the `Clickable` / `Hoverable` / `Pressable` traits) is one import; there are no subpaths\n- `@ggui-ai/wire` (wire hooks)\n\nNo external libraries (lodash, date-fns, etc.). No fetch(). No eval().";
/**
 * List of all valid primitive names for validation.
 */
declare const VALID_PRIMITIVES: readonly ["Container", "Card", "Stack", "Row", "Grid", "Box", "Divider", "Spacer", "Text", "Heading", "Button", "Input", "TextArea", "Select", "Checkbox", "Toggle", "RadioGroup", "Slider", "Badge", "Spinner", "Skeleton", "Avatar", "Alert", "Progress", "Image", "Icon", "Link", "Tooltip", "Table", "Tabs", "Toast", "Accordion", "MotionKeyframes", "SearchField", "FormField", "MenuItem", "Tag", "Dropdown", "Autocomplete", "Breadcrumb", "Pagination", "EmptyState", "Stat", "Stepper", "Markdown", "MarkdownInline", "Header", "Sidebar", "CardGrid", "CommentThread", "DataTable", "ChatWindow", "NavigationBar", "FileUploader", "NotificationCenter", "Modal", "CommandPalette", "Footer", "Hero"];
type ValidPrimitive = (typeof VALID_PRIMITIVES)[number];

/**
 * Validation error types for classification
 */
type ValidationErrorType = 'import' | 'primitive' | 'security' | 'syntax' | 'size' | 'structure';
/**
 * Validation warning types
 */
type ValidationWarningType = 'accessibility' | 'best-practice' | 'performance';
/**
 * Detailed validation error with actionable suggestions
 */
interface ValidationError {
    type: ValidationErrorType;
    message: string;
    line?: number;
    column?: number;
    suggestion: string;
    code?: string;
}
/**
 * Validation warning (non-blocking)
 */
interface ValidationWarning {
    type: ValidationWarningType;
    message: string;
    line?: number;
    suggestion: string;
}
/**
 * Comprehensive validation result
 */
interface ValidationResult {
    valid: boolean;
    errors: ValidationError[];
    warnings: ValidationWarning[];
    suggestions: string[];
    stats: {
        lineCount: number;
        charCount: number;
        importCount: number;
        primitiveCount: number;
    };
}
interface ValidationOptions {
    /**
     * Skip import allowlist validation.
     * Used when bundle mode is enabled — external imports will be resolved
     * by esbuild at build time, not by the runtime.
     * Security patterns (eval, fetch, etc.) are still enforced.
     */
    skipImportValidation?: boolean;
    /**
     * Skip size limits (line count, file size).
     * Used for user-registered UIs where the developer controls the size.
     * LLM-generated UIs keep the limits to constrain generation.
     */
    skipSizeLimits?: boolean;
    /**
     * Skip dangerous-pattern security scan (eval, fetch, location, etc.).
     * Used for user-registered UIs where the developer controls the code.
     * LLM-generated UIs always get the security scan.
     */
    skipSecurityPatterns?: boolean;
}
/**
 * Validate component code with rich feedback.
 * Returns detailed errors, warnings, and suggestions.
 */
declare function validateComponentDetailed(code: string, options?: ValidationOptions): ValidationResult;
/**
 * Simple validation that throws on error (backward compatible).
 * Use validateComponentDetailed for rich feedback.
 */
declare function validateComponent(code: string): void;
/**
 * Format validation result as a string for Claude feedback.
 * Provides context-rich error messages for the AI to understand and fix issues.
 */
declare function formatValidationResultForClaude(result: ValidationResult): string;

interface UiCompileResult {
    /** Minified ESM output (may include bundled dependencies). */
    compiledCode: string;
    /** Content hash of compiled ESM — canonical identity. */
    contentHash: string;
    /** Validation result (errors, warnings, stats). */
    validation: ValidationResult;
    /** Classified UI type based on imports. */
    uiClass: UiClass;
    /** esbuild warnings. */
    compileWarnings: string[];
    /** Whether external dependencies were bundled. */
    bundled: boolean;
}
interface CompileOptions {
    /**
     * Enable bundling mode. When true, esbuild resolves and inlines all
     * imports from `resolveDir` (except SANDBOX_EXTERNALS).
     *
     * Use this when the component imports external npm packages
     * (e.g., leaflet, recharts, framer-motion).
     *
     * Default: false (transform-only, no import resolution).
     */
    bundle?: boolean;
    /**
     * Directory to resolve imports from (path to node_modules parent).
     * Required when bundle=true. Typically the directory containing the
     * source file, or the project root.
     */
    resolveDir?: string;
}
declare class UiValidationError extends Error {
    readonly validation: ValidationResult;
    constructor(validation: ValidationResult);
}
declare class UiBundleSizeError extends Error {
    readonly size: number;
    readonly limit: number;
    constructor(size: number, limit: number);
}
/**
 * Validate and compile a UI component from source code.
 *
 * This is the standalone entry point used by:
 * - `ggui ui build` CLI command (bundle=true for external deps)
 * - UI register endpoint (bundle=false, transform only)
 * - Studio app
 *
 * The generator pipeline uses its own compile path
 * (`compileComponentCode` in compile.ts), but shares the same
 * validation rules via @ggui-ai/protocol.
 */
declare function compileUi(source: string, _manifest: Pick<UiManifest, 'name' | 'contract'>, options?: CompileOptions): Promise<UiCompileResult>;
/**
 * Validate only (no compilation). Useful for quick checks in the UI.
 */
declare function validateUi(source: string, options?: {
    skipImportValidation?: boolean;
    skipSizeLimits?: boolean;
    skipSecurityPatterns?: boolean;
}): ValidationResult & {
    uiClass: UiClass;
};

export { type CompileOptions, PRIMITIVES_DOCUMENTATION, UiBundleSizeError, type UiCompileResult, UiValidationError, VALID_PRIMITIVES, type ValidPrimitive, type ValidationError, type ValidationErrorType, type ValidationOptions, type ValidationResult, type ValidationWarning, type ValidationWarningType, compileUi, formatValidationResultForClaude, validateComponent, validateComponentDetailed, validateUi };