sanity-io · stipsan · Aug 6, 2026
@@ -0,0 +1,5 @@
+---
+"sanity-plugin-mux-input": patch
+---
+
+Migrate styling from styled-components to vanilla-extract (zero-runtime CSS)
@@ -29,11 +29,25 @@
   "types": "./dist/index.d.ts",
   "exports": {
     ".": "./src/_exports/index.ts",
+    "./bundle.css": {
+      "types": "./dist/bundle-css.d.ts",
+      "browser": "./dist/bundle.css",
+      "style": "./dist/bundle.css",
+      "node": "./dist/bundle-css.js",
+      "default": "./dist/bundle-css.js"
+    },
     "./package.json": "./package.json"
   },
   "publishConfig": {
     "exports": {
       ".": "./dist/index.js",
+      "./bundle.css": {
+        "types": "./dist/bundle-css.d.ts",
+        "browser": "./dist/bundle.css",
+        "style": "./dist/bundle.css",
+        "node": "./dist/bundle-css.js",
+        "default": "./dist/bundle-css.js"
+      },
       "./package.json": "./package.json"
     }
   },
@@ -48,6 +62,8 @@
     "@sanity/icons": "catalog:",
     "@sanity/ui": "catalog:",
     "@sanity/uuid": "catalog:",
+    "@vanilla-extract/dynamic": "catalog:",
+    "clsx": "^2.1.1",
     "iso-639-1": "^3.1.6",
     "jsonwebtoken-esm": "^1.0.5",
     "lodash": "^4.18.1",
@@ -65,21 +81,21 @@
     "@sanity/client": "catalog:",
     "@sanity/tsconfig": "catalog:",
     "@sanity/tsdown-config": "catalog:",
+    "@sanity/vanilla-extract-vite-plugin": "catalog:",
     "@types/lodash": "^4.17.24",
     "@types/node": "catalog:",
     "@types/react": "catalog:",
     "@types/react-is": "catalog:",
+    "@vanilla-extract/css": "catalog:",
     "babel-plugin-react-compiler": "catalog:",
     "react": "catalog:",
     "react-dom": "catalog:",
     "sanity": "catalog:",
-    "styled-components": "catalog:",
     "tsdown": "catalog:"
   },
   "peerDependencies": {
     "react": "catalog:peer",
-    "sanity": "catalog:peer",
-    "styled-components": "catalog:peer"
+    "sanity": "catalog:peer"
   },
   "engines": {
     "node": ">=20.19 <22 || >=22.12"

@@ -0,0 +1,8 @@
+import {style} from '@vanilla-extract/css'
+
+export const logo = style({
+  display: 'inline-block',
+  height: '0.8em',
+  marginRight: '1em',
+  transform: 'translate(0.3em, -0.2em)',
+})
@@ -1,19 +1,12 @@
-import {styled} from 'styled-components'
-
 import MuxLogo from './MuxLogo'
 
-const Logo = styled.span`
-  display: inline-block;
-  height: 0.8em;
-  margin-right: 1em;
-  transform: translate(0.3em, -0.2em);
-`
+import {logo} from './ConfigureApi.css'
 
 export const Header = () => (
   <>
-    <Logo>
+    <span className={logo}>
       <MuxLogo height={13} />
-    </Logo>
+    </span>
     API Credentials
   </>
 )
@@ -0,0 +1,61 @@
+import {globalStyle, style} from '@vanilla-extract/css'
+
+export const rangeInput = style({
+  width: '100%',
+  height: 4,
+  borderRadius: 2,
+  background: 'var(--card-border-color)',
+  outline: 'none',
+  WebkitAppearance: 'none',
+  appearance: 'none',
+  selectors: {
+    '&::-webkit-slider-thumb': {
+      WebkitAppearance: 'none',
+      appearance: 'none',
+      width: 16,
+      height: 16,
+      borderRadius: '50%',
+      background: 'var(--card-focus-ring-color, #2276fc)',
+      cursor: 'pointer',
+      border: '2px solid white',
+      boxShadow: '0 1px 3px rgba(0, 0, 0, 0.2)',
+    },
+    '&::-moz-range-thumb': {
+      width: 16,
+      height: 16,
+      borderRadius: '50%',
+      background: 'var(--card-focus-ring-color, #2276fc)',
+      cursor: 'pointer',
+      border: '2px solid white',
+      boxShadow: '0 1px 3px rgba(0, 0, 0, 0.2)',
+    },
+    '&:hover::-webkit-slider-thumb': {
+      background: 'var(--card-focus-ring-color, #1a5fc7)',
+    },
+    '&:hover::-moz-range-thumb': {
+      background: 'var(--card-focus-ring-color, #1a5fc7)',
+    },
+  },
+})
+
+export const watermarkOverlay = style({
+  position: 'absolute',
+  maxWidth: 200,
+  cursor: 'move',
+  userSelect: 'none',
+  zIndex: 10,
+  pointerEvents: 'auto',
+  selectors: {
+    '&:hover': {
+      outline: '2px dashed rgba(255, 255, 255, 0.8)',
+      outlineOffset: 4,
+    },
+  },
+})
+
+globalStyle(`${watermarkOverlay} img`, {
+  width: '100%',
+  height: 'auto',
+  display: 'block',
+  pointerEvents: 'none',
+})
@@ -2,72 +2,11 @@ import {CheckmarkCircleIcon} from '@sanity/icons/CheckmarkCircle'
 import {ErrorOutlineIcon} from '@sanity/icons/ErrorOutline'
 import {Box, Button, Card, Flex, Grid, Stack, Text, TextInput} from '@sanity/ui'
 import {useCallback, useEffect, useRef, useState} from 'react'
-import {styled} from 'styled-components'
 
 import {convertWatermarkToMuxOverlay} from '../util/convertWatermarkToMux'
 import type {MuxOverlaySettings, WatermarkConfig} from '../util/types'
 
-const RangeInput = styled.input`
-  width: 100%;
-  height: 4px;
-  border-radius: 2px;
-  background: var(--card-border-color);
-  outline: none;
-  -webkit-appearance: none;
-  appearance: none;
-
-  &::-webkit-slider-thumb {
-    -webkit-appearance: none;
-    appearance: none;
-    width: 16px;
-    height: 16px;
-    border-radius: 50%;
-    background: var(--card-focus-ring-color, #2276fc);
-    cursor: pointer;
-    border: 2px solid white;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
-  }
-
-  &::-moz-range-thumb {
-    width: 16px;
-    height: 16px;
-    border-radius: 50%;
-    background: var(--card-focus-ring-color, #2276fc);
-    cursor: pointer;
-    border: 2px solid white;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
-  }
-
-  &:hover::-webkit-slider-thumb {
-    background: var(--card-focus-ring-color, #1a5fc7);
-  }
-
-  &:hover::-moz-range-thumb {
-    background: var(--card-focus-ring-color, #1a5fc7);
-  }
-`
-
-const WatermarkOverlay = styled.div<{$opacity: number}>`
-  position: absolute;
-  max-width: 200px;
-  opacity: ${(props) => props.$opacity};
-  cursor: move;
-  user-select: none;
-  z-index: 10;
-  pointer-events: auto;
-
-  img {
-    width: 100%;
-    height: auto;
-    display: block;
-    pointer-events: none;
-  }
-
-  &:hover {
-    outline: 2px dashed rgba(255, 255, 255, 0.8);
-    outline-offset: 4px;
-  }
-`
+import {rangeInput, watermarkOverlay} from './DraggableWatermark.css'
 
 interface DraggableWatermarkProps {
   watermark: WatermarkConfig
@@ -335,15 +274,16 @@ export default function DraggableWatermark({
   }
 
   return (
-    <WatermarkOverlay
+    // oxlint-disable-next-line jsx-a11y/no-static-element-interactions
+    <div
       ref={watermarkRef}
-      $opacity={opacityForRender}
+      className={watermarkOverlay}
       onMouseDown={hasManualOverlay ? undefined : handleMouseDown}
       // oxlint-disable-next-line react/react-compiler
-      style={computeWatermarkStyle()}
+      style={{...computeWatermarkStyle(), opacity: opacityForRender}}
     >
       <img src={watermark.imageUrl} alt="Watermark" draggable={false} />
-    </WatermarkOverlay>
+    </div>
   )
 }
 
@@ -816,7 +756,8 @@ export function WatermarkControls({
                     return `Size: ${px}px`
                   })()}
                 </Text>
-                <RangeInput
+                <input
+                  className={rangeInput}
                   type="range"
                   // oxlint-disable-next-line react/react-compiler
                   value={(() => {
@@ -855,7 +796,8 @@ export function WatermarkControls({
                 <Text size={1} weight="medium">
                   Opacity: {Math.round((watermark.opacity ?? 0.7) * 100)}%
                 </Text>
-                <RangeInput
+                <input
+                  className={rangeInput}
                   type="range"
                   value={watermark.opacity ?? 0.7}
                   min={0}

@@ -0,0 +1,14 @@
+import {style} from '@vanilla-extract/css'
+
+export const hiddenInput = style({
+  overflow: 'hidden',
+  width: '0.1px',
+  height: '0.1px',
+  opacity: 0,
+  position: 'absolute',
+  zIndex: -1,
+})
+
+export const label = style({
+  position: 'relative',
+})
@@ -1,19 +1,7 @@
 import {Button, type ButtonProps} from '@sanity/ui'
 import {useCallback, useId, useRef} from 'react'
-import {styled} from 'styled-components'
 
-const HiddenInput = styled.input`
-  overflow: hidden;
-  width: 0.1px;
-  height: 0.1px;
-  opacity: 0;
-  position: absolute;
-  z-index: -1;
-`
-
-const Label = styled.label`
-  position: relative;
-`
+import {hiddenInput, label} from './FileInputButton.css'
 
 export interface FileInputButtonProps extends Omit<ButtonProps, 'onSelect'> {
   onSelect: (files: FileList) => void
@@ -32,8 +20,9 @@ export const FileInputButton = ({onSelect, accept, ...props}: FileInputButtonPro
   )
   const handleButtonClick = useCallback(() => inputRef.current?.click(), [])
   return (
-    <Label htmlFor={inputId}>
-      <HiddenInput
+    <label className={label} htmlFor={inputId}>
+      <input
+        className={hiddenInput}
         accept={accept}
         ref={inputRef}
         tabIndex={0}
@@ -49,6 +38,6 @@ export const FileInputButton = ({onSelect, accept, ...props}: FileInputButtonPro
         style={{width: '100%'}}
         {...props}
       />
-    </Label>
+    </label>
   )
 }
@@ -0,0 +1,28 @@
+import {createVar, globalStyle, style} from '@vanilla-extract/css'
+
+export const boxShadowFocusVar = createVar()
+
+export const fileButton = style({
+  position: 'relative',
+  selectors: {
+    '&:not([data-disabled="true"]):focus-within': {
+      boxShadow: boxShadowFocusVar,
+    },
+  },
+})
+
+globalStyle(`${fileButton} input`, {
+  overflow: 'hidden',
+  top: 0,
+  left: 0,
+  width: '100%',
+  height: '100%',
+  position: 'absolute',
+  minWidth: 0,
+  display: 'block',
+  appearance: 'none',
+  padding: 0,
+  margin: 0,
+  border: 0,
+  opacity: 0,
+})