Grain

import {
  DescriptionList,
  DescriptionListDetails,
  DescriptionListItem,
  DescriptionListTerm,
} from "@/components/description-list/description-list"
import { Eyebrow } from "@/components/eyebrow/eyebrow"
import { Grain } from "@/components/texture/grain"
import {
  Card,
  CardContent,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card"
import { Separator } from "@/components/ui/separator"

// The copy: change text here, not in the markup.
const COPY = {
  eyebrow: "BREAD & SALT / SATURDAY PICKUP",
  title: "Your bread is on the list.",
  order: "ORDER B-1068 · FOR ELLIS",
  paid: "Paid",
  total: "£13.50",
  windowLabel: "COLLECTION WINDOW",
  window: "09:00–11:00",
  date: "Saturday 7 November",
  address: "18 Church Street, Frome",
  footnote: "Tell us your name at the counter. Bring a bag if you have one.",
} as const

const ITEMS = [
  { name: "1 × Country sourdough", price: "£6.50" },
  { name: "2 × Cardamom knot", price: "£7.00" },
] as const

/** A bakery pickup slip on rich paper Grain with an itemised order, a dashed collection window and a counter note. */
export default function GrainBakerySlip() {
  return (
    <Card className="relative isolate w-full max-w-sm gap-5 rounded-none bg-[oklch(0.93_0.045_85)] text-base text-[oklch(0.3_0.055_45)] shadow-none ring-0 [--card-spacing:--spacing(7)]">
      <Grain variant="paper" intensity="rich" />
      <CardHeader className="relative gap-3">
        <Eyebrow variant="caps" tone="ink" className="tracking-widest">
          {COPY.eyebrow}
        </Eyebrow>
        <CardTitle className="text-3xl font-bold tracking-tight">
          {COPY.title}
        </CardTitle>
      </CardHeader>
      <Separator className="relative mx-(--card-spacing) data-horizontal:w-auto" />
      <CardContent className="relative flex flex-col gap-5">
        <p className="text-xs">{COPY.order}</p>
        <DescriptionList className="text-sm">
          {ITEMS.map((item) => (
            <DescriptionListItem key={item.name} className="flex-nowrap">
              <DescriptionListTerm className="text-current">
                {item.name}
              </DescriptionListTerm>
              <DescriptionListDetails className="text-current">
                {item.price}
              </DescriptionListDetails>
            </DescriptionListItem>
          ))}
          <DescriptionListItem className="mt-2 flex-nowrap border-t border-current/30 pt-3 font-bold">
            <DescriptionListTerm className="text-current">
              {COPY.paid}
            </DescriptionListTerm>
            <DescriptionListDetails className="text-current">
              {COPY.total}
            </DescriptionListDetails>
          </DescriptionListItem>
        </DescriptionList>
        <div className="border-y border-dashed border-current/40 py-4">
          <p className="text-xs">{COPY.windowLabel}</p>
          <p className="mt-2 text-2xl font-semibold tabular-nums">
            {COPY.window}
          </p>
          <p className="mt-2 text-sm/6">
            {COPY.date}
            <br />
            {COPY.address}
          </p>
        </div>
      </CardContent>
      <CardFooter className="relative">
        <p className="text-xs/6">{COPY.footnote}</p>
      </CardFooter>
    </Card>
  )
}

import type { ComponentProps } from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { cn } from "cn"

// Label and value rows: order details, specifications, account information.
// divided rules a line between rows; default spaces them on a gap.
const descriptionListVariants = cva("group/description-list text-sm/6", {
  variants: {
    variant: {
      default: "grid gap-3",
      divided: "divide-y divide-border",
    },
  },
  defaultVariants: { variant: "default" },
})

function DescriptionList({
  className,
  variant = "default",
  ...props
}: ComponentProps<"dl"> & VariantProps<typeof descriptionListVariants>) {
  return (
    <dl
      data-slot="description-list"
      data-variant={variant}
      className={cn(descriptionListVariants({ variant }), className)}
      {...props}
    />
  )
}

// One term and its details on a line, on a shared baseline; a long value
// wraps under its term. In a divided list the item pads its own row.
function DescriptionListItem({ className, ...props }: ComponentProps<"div">) {
  return (
    <div
      data-slot="description-list-item"
      className={cn(
        "flex flex-wrap items-baseline justify-between gap-x-4 gap-y-1 group-data-[variant=divided]/description-list:py-3 group-data-[variant=divided]/description-list:first:pt-0 group-data-[variant=divided]/description-list:last:pb-0",
        className
      )}
      {...props}
    />
  )
}

function DescriptionListTerm({ className, ...props }: ComponentProps<"dt">) {
  return (
    <dt
      data-slot="description-list-term"
      className={cn("text-muted-foreground", className)}
      {...props}
    />
  )
}

function DescriptionListDetails({ className, ...props }: ComponentProps<"dd">) {
  return (
    <dd
      data-slot="description-list-details"
      className={cn(
        "flex min-w-0 items-center gap-2 wrap-anywhere text-foreground tabular-nums",
        className
      )}
      {...props}
    />
  )
}

export {
  DescriptionList,
  DescriptionListItem,
  DescriptionListTerm,
  DescriptionListDetails,
}

import { mergeProps } from "@base-ui/react/merge-props"
import { useRender } from "@base-ui/react/use-render"
import { cva, type VariantProps } from "class-variance-authority"
import { cn } from "cn"

// default is a quiet 14px line, cased as written; icon puts a 16px icon in
// front of it; mono is a 12px uppercase mono label for spec-sheet designs;
// caps is the same size in a sans face. tone picks the ink: muted (the
// default) or the surrounding text color, for a label over art or on a dark
// island where muted-foreground is too quiet.
const eyebrowVariants = cva("", {
  variants: {
    /**
     * The label style. `default` (the default) is a 14px line at weight 500,
     * cased as written. `icon` is the same line with a 16px icon, placed
     * first among the children, 12px before the words. `mono` is a 12px
     * uppercase mono label at weight 500 with 0.12em letter spacing. `caps`
     * is the same label in the sans face, for a brand and series label such
     * as "Studio Neri / Clay school". The color comes from `tone`.
     */
    variant: {
      default: "text-sm/5 font-medium",
      icon: "flex items-center gap-3 text-sm/5 font-medium [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
      mono: "font-mono text-xs/5 font-medium tracking-[0.12em] uppercase",
      caps: "text-xs/5 font-medium tracking-[0.12em] uppercase",
    },
    /**
     * The ink. `muted` (the default) is `muted-foreground`. `ink` leaves the
     * color to the surrounding text, for a label over art, on a dark island
     * or anywhere the muted grey is too quiet to read.
     */
    tone: {
      muted: "text-muted-foreground",
      ink: "",
    },
  },
  defaultVariants: { variant: "default", tone: "muted" },
})

/**
 * A short label set above a heading, such as a section name, rendered as a
 * `<p>`. Leave 8px between it and the heading. Pass `render` to use another
 * element.
 *
 * `default` is a 14px line at weight 500, cased as written. `icon` adds a
 * 16px icon before the words: put the icon first, with `aria-hidden`. `mono`
 * is a 12px uppercase mono label with 0.12em letter spacing; `caps` the same
 * in the sans face, for a brand and series name such as "Studio Neri / Clay
 * school". `tone="muted"` (the default) sets it in `muted-foreground`;
 * `tone="ink"` takes the surrounding text color, for a label over art or on
 * a dark island where the grey is too quiet.
 */
function Eyebrow({
  className,
  variant = "default",
  tone = "muted",
  render,
  ...props
}: useRender.ComponentProps<"p"> & VariantProps<typeof eyebrowVariants>) {
  return useRender({
    defaultTagName: "p",
    render,
    state: { slot: "eyebrow", variant, tone },
    props: mergeProps<"p">(
      { className: cn(eyebrowVariants({ variant, tone }), className) },
      props
    ),
  })
}

export { Eyebrow, eyebrowVariants }

import { cn } from "cn"

import {
  PAPER_GRAIN,
  SANDPAPER_GRAIN,
  SINGLE_NOISE,
  SQUARE_GRAIN,
} from "@/components/texture/grain-recipes"

type Intensity = "fine" | "default" | "rich"

// One scale for every texture; `default` is the unscaled value.
const INTENSITY_MULT: Record<Intensity, number> = {
  fine: 0.6,
  default: 1,
  rich: 1.45,
}

const alpha = (base: number, mult: number) => (base * mult).toFixed(4)

// Four grain treatments; each paints a single texture layer.
// Full-bleed art layer — drop inside a `relative` parent; sits behind content.

/** The texture treatment painted by `Grain`. */
type GrainVariant =
  // Stylized paper-look variants — heavier filter chain than plain noise.
  "paper" | "sandpaper" | "square" | "single"

type Layer = {
  src: string
  size: string
  opacity: number
  blend: "overlay" | "soft-light"
}

const BLEND_CLASS: Record<Layer["blend"], string> = {
  overlay: "mix-blend-overlay",
  "soft-light": "mix-blend-soft-light",
}

const VARIANT_TEXTURES: Record<GrainVariant, Layer> = {
  paper: {
    src: PAPER_GRAIN,
    size: "250px",
    opacity: 0.25,
    blend: "overlay",
  },
  sandpaper: {
    src: SANDPAPER_GRAIN,
    size: "200px",
    opacity: 0.25,
    blend: "overlay",
  },
  square: {
    src: SQUARE_GRAIN,
    size: "200px",
    opacity: 0.8,
    blend: "soft-light",
  },
  single: { src: SINGLE_NOISE, size: "200px", opacity: 0.3, blend: "overlay" },
}

/**
 * A decorative grain layer that fills a positioned parent without blocking
 * clicks. Choose a texture and adjust its strength with `intensity` or
 * `opacity`. `className` and other div props land on the outer layer.
 */
function Grain({
  variant = "single",
  intensity = "default",
  opacity,
  isolated = false,
  className,
  ...props
}: React.ComponentProps<"div"> & {
  /** The grain treatment: `single` (default), `paper`, `sandpaper` or `square`. */
  variant?: GrainVariant
  /** Multiplies the texture's opacity: `fine` 0.6×, `default` 1×, `rich` 1.45×. */
  intensity?: Intensity
  /** The texture opacity, from 0 to 1. Takes precedence over `intensity`. */
  opacity?: number
  /**
   * Adds paint containment when true. This creates a stacking context, so
   * the texture stops blending with scene layers outside this element.
   */
  isolated?: boolean
}) {
  const layer = VARIANT_TEXTURES[variant]
  const m =
    opacity != null ? opacity / layer.opacity : INTENSITY_MULT[intensity]
  return (
    <div
      data-slot="grain"
      data-variant={variant}
      aria-hidden="true"
      className={cn(
        "pointer-events-none absolute inset-0",
        isolated && "contain-[paint]",
        className
      )}
      {...props}
    >
      <div
        className={cn("absolute inset-0", BLEND_CLASS[layer.blend])}
        style={{
          backgroundImage: layer.src,
          backgroundSize: layer.size,
          opacity: layer.opacity * m,
        }}
      />
    </div>
  )
}

export { Grain }

// The grain tiles the kit paints with, as data URIs, each held once. Every
// recipe is a tiny SVG turbulence filter; the component using it chooses
// the tile size, opacity and blend. `*_URI` is the bare image for callers
// that wrap it themselves; the unsuffixed name is ready for `background-image`.

/** Stylized paper: coarse turbulence pushed to high contrast, the grain under most of the painted scenes and the Grain `paper` variant. */
export const PAPER_GRAIN_URI =
  "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250' viewBox='0 0 100 100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='turbulence' baseFrequency='1.4' numOctaves='1' seed='2' stitchTiles='stitch' result='n'/%3E%3CfeComponentTransfer result='g'%3E%3CfeFuncR type='linear' slope='4' intercept='1'/%3E%3CfeFuncG type='linear' slope='4' intercept='1'/%3E%3CfeFuncB type='linear' slope='4' intercept='1'/%3E%3C/feComponentTransfer%3E%3CfeColorMatrix type='saturate' values='0' in='g'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"
export const PAPER_GRAIN = `url("${PAPER_GRAIN_URI}")`

/** Sandpaper: finer, two-octave turbulence, the Grain `sandpaper` variant and the pours and pools. */
export const SANDPAPER_GRAIN_URI =
  "data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 100 100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='turbulence' baseFrequency='2.2' numOctaves='2' seed='5' stitchTiles='stitch' result='n'/%3E%3CfeComponentTransfer result='g'%3E%3CfeFuncR type='linear' slope='2.5' intercept='0.8'/%3E%3CfeFuncG type='linear' slope='2.5' intercept='0.8'/%3E%3CfeFuncB type='linear' slope='2.5' intercept='0.8'/%3E%3C/feComponentTransfer%3E%3CfeColorMatrix type='saturate' values='0' in='g'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"
export const SANDPAPER_GRAIN = `url("${SANDPAPER_GRAIN_URI}")`

/** Square: three-octave turbulence at high contrast, the Grain `square` variant. */
export const SQUARE_GRAIN_URI =
  "data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20width=%22200%22%20height=%22200%22%20viewBox=%220%200%20100%20100%22%3E%3Cfilter%20id=%22n%22%3E%3CfeTurbulence%20type=%22turbulence%22%20baseFrequency=%222.1%22%20numOctaves=%223%22%20seed=%2211%22%20stitchTiles=%22stitch%22%20result=%22n%22/%3E%3CfeComponentTransfer%20result=%22g%22%3E%3CfeFuncR%20type=%22linear%22%20slope=%225.5%22%20intercept=%221.4%22/%3E%3CfeFuncG%20type=%22linear%22%20slope=%225.5%22%20intercept=%221.4%22/%3E%3CfeFuncB%20type=%22linear%22%20slope=%225.5%22%20intercept=%221.4%22/%3E%3C/feComponentTransfer%3E%3CfeColorMatrix%20type=%22saturate%22%20values=%220%22%20in=%22g%22/%3E%3C/filter%3E%3Crect%20width=%22100%%22%20height=%22100%%22%20filter=%22url(%23n)%22/%3E%3C/svg%3E"
export const SQUARE_GRAIN = `url("${SQUARE_GRAIN_URI}")`

/** Plain fractal noise on a 200px tile, the Grain `single` variant. */
export const SINGLE_NOISE_URI =
  "data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"
export const SINGLE_NOISE = `url("${SINGLE_NOISE_URI}")`

/** Fine fractal noise on a 512px tile, SoftGrain and the Limb scene. */
export const SOFT_NOISE_URI =
  "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='5' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"
export const SOFT_NOISE = `url("${SOFT_NOISE_URI}")`

/** Fine fractal noise the field scenes lay over their art: Fracture Field, Gestural Zip, Solar Flare and Underwater Shaft. */
export const FIELD_NOISE_URI =
  "data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"
export const FIELD_NOISE = `url("${FIELD_NOISE_URI}")`

/** Fine fractal noise on a 256px tile, the mist over the radial charts. */
export const CHART_NOISE_URI =
  "data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"
export const CHART_NOISE = `url("${CHART_NOISE_URI}")`

/** A one-octave dither on a 128px tile, the glass of the neon signs. */
export const DITHER_NOISE_URI =
  "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='128' height='128'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E"
export const DITHER_NOISE = `url("${DITHER_NOISE_URI}")`

/** A thin film: paper turbulence with its alpha cut to 0.6, the grain GlowSection lays over its light. */
export const GLOW_FILM_URI =
  "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='sf'%3E%3CfeTurbulence type='turbulence' baseFrequency='1.4' numOctaves='1' seed='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.6'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23sf)'/%3E%3C/svg%3E"
export const GLOW_FILM = `url("${GLOW_FILM_URI}")`

/** Plain fractal noise on a 400px tile, the canvas finish of ColorField and FeltOrb. */
export const CANVAS_NOISE_URI =
  "data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E"
export const CANVAS_NOISE = `url("${CANVAS_NOISE_URI}")`