improvement(docs): align components with the platform design system (#5227)

* improvement(docs): align components with the platform design system

Bring the docs app's chrome in line with the main Sim design system,
validated against the canonical emcn source in apps/sim.

- ask-ai: fix undefined tokens (--text-base x6, --text-link) that broke
  the send-button fill and link/text colors; send button now matches the
  canonical primary fill (text-primary/text-inverse, dark:bg-white); use
  --shadow-medium and chip gap rhythm
- not-found: replace the hand-rolled brand pill with <ChipLink variant='brand'>
  and swap fumadocs tokens for platform tokens
- search-trigger: compose the exported chip chrome constants instead of
  re-spelling them (single source of truth)
- what-you-will-learn, video-chapters: fumadocs fd-* tokens -> platform tokens
- workflow-preview: add --wp-highlight token; route the #33b4ff highlight,
  #ef4444 error dots, and toggle/slider green through tokens
- video-placeholder: tokenize the status pill (bespoke illustration art
  intentionally left as-is)

dropdown-menu, faq, theme-toggle, and page-type-badge were deliberately
left at their canonical values (14px row icons, rounded-md badge) after
validation showed those match the platform, not the chip-pill, standard.

* improvement(docs): neutral primary chip for nav CTA + fix cluster spacing

Align the docs navbar with the main app, which reserves green for
accents/status and uses a neutral high-contrast CTA in nav.

- add a canonical `primary` chip variant (inverse fill: dark in light
  mode, white in dark mode), mirroring the emcn chip's primary action
- "Get started" and the 404 "Go home" now use variant='primary' instead
  of the green brand surface
- retire the now-unused `brand` chip variant (no parallel path left behind)
- fix navbar right-cluster spacing: gap-2 to match the landing navbar and
  drop the asymmetric ml-1 on the CTA

apps/docs/app/[lang]/not-found.tsx

@@ -1,5 +1,5 @@
 import { DocsPage } from 'fumadocs-ui/page'
-import Link from 'next/link'
+import { ChipLink } from '@/components/ui/chip'
 
 export const metadata = {
   title: 'Page Not Found',
@@ -9,19 +9,16 @@ export default function NotFound() {
   return (
     <DocsPage>
       <div className='flex min-h-[70vh] flex-col items-center justify-center gap-4 text-center'>
-        <h1 className='bg-gradient-to-b from-[#47d991] to-[#33c482] bg-clip-text font-semibold text-8xl text-transparent'>
+        <h1 className='bg-gradient-to-b from-[var(--brand-accent)] to-[var(--brand-accent-hover)] bg-clip-text font-semibold text-8xl text-transparent'>
           404
         </h1>
-        <h2 className='font-semibold text-2xl text-foreground'>Page Not Found</h2>
-        <p className='text-muted-foreground'>
+        <h2 className='font-semibold text-2xl text-[var(--text-primary)]'>Page Not Found</h2>
+        <p className='text-[var(--text-muted)]'>
           The page you're looking for doesn't exist or has been moved.
         </p>
-        <Link
-          href='/'
-          className='ml-1 flex items-center rounded-[8px] bg-[#33c482] px-2.5 py-1.5 text-[13px] text-white transition-colors duration-200 hover:bg-[#2DAC72]'
-        >
+        <ChipLink href='/' variant='primary'>
           Go home
-        </Link>
+        </ChipLink>
       </div>
     </DocsPage>
   )

apps/docs/app/global.css

@@ -1669,6 +1669,7 @@ main article blockquote {
   --wp-chip-text: var(--text-body);
   --wp-divider: #ededed; /* --divider */
   --wp-edge: #e0e0e0; /* --workflow-edge */
+  --wp-highlight: #33b4ff; /* traced edge / highlighted output node */
 
   /* text */
   --wp-text: var(--text-primary);

apps/docs/components/ai/ask-ai.tsx

@@ -84,7 +84,7 @@ export function AskAI({ locale }: AskAIProps) {
           type='button'
           aria-label='Ask AI'
           onClick={() => setOpen(true)}
-          className='fixed right-4 bottom-4 z-50 flex h-11 items-center gap-2 rounded-full border border-[var(--border-1)] bg-[var(--surface-5)] px-4 font-season text-[var(--text-base)] text-sm shadow-lg transition-colors hover:bg-[var(--surface-active)] dark:bg-[var(--surface-4)]'
+          className='fixed right-4 bottom-4 z-50 flex h-11 items-center gap-1.5 rounded-full border border-[var(--border-1)] bg-[var(--surface-5)] px-4 font-season text-[var(--text-body)] text-sm shadow-[var(--shadow-medium)] transition-colors hover:bg-[var(--surface-active)] dark:bg-[var(--surface-4)]'
         >
           <MessageCircle className='size-[16px] text-[var(--text-icon)]' />
           Ask AI
@@ -92,9 +92,9 @@ export function AskAI({ locale }: AskAIProps) {
       )}
 
       {open && (
-        <div className='fixed right-4 bottom-4 z-50 flex h-[600px] max-h-[calc(100vh-2rem)] w-[400px] max-w-[calc(100vw-2rem)] flex-col overflow-hidden rounded-xl border border-[var(--border-1)] bg-[var(--surface-5)] shadow-xl dark:bg-[var(--surface-4)]'>
+        <div className='fixed right-4 bottom-4 z-50 flex h-[600px] max-h-[calc(100vh-2rem)] w-[400px] max-w-[calc(100vw-2rem)] flex-col overflow-hidden rounded-xl border border-[var(--border-1)] bg-[var(--surface-5)] shadow-[var(--shadow-medium)] dark:bg-[var(--surface-4)]'>
           <div className='flex items-center justify-between border-[var(--border-1)] border-b px-4 py-3'>
-            <span className='flex items-center gap-2 font-season text-[var(--text-base)] text-sm'>
+            <span className='flex items-center gap-1.5 font-season text-[var(--text-body)] text-sm'>
               <MessageCircle className='size-[16px] text-[var(--text-icon)]' />
               Ask AI
             </span>
@@ -105,7 +105,7 @@ export function AskAI({ locale }: AskAIProps) {
                 stop()
                 setOpen(false)
               }}
-              className='flex size-7 items-center justify-center rounded-md text-[var(--text-icon)] transition-colors hover:bg-[var(--surface-active)]'
+              className='flex size-7 items-center justify-center rounded-lg text-[var(--text-icon)] transition-colors hover:bg-[var(--surface-active)]'
             >
               <X className='size-[16px]' />
             </button>
@@ -132,13 +132,13 @@ export function AskAI({ locale }: AskAIProps) {
                   )}
                 >
                   {message.role === 'user' ? (
-                    <div className='max-w-[90%] whitespace-pre-wrap rounded-lg bg-[var(--surface-active)] px-3 py-2 text-[var(--text-base)] text-sm'>
+                    <div className='max-w-[90%] whitespace-pre-wrap rounded-lg bg-[var(--surface-active)] px-3 py-2 text-[var(--text-body)] text-sm'>
                       {text}
                     </div>
                   ) : (
-                    <div className='max-w-[90%] text-[var(--text-base)] text-sm'>
+                    <div className='max-w-[90%] text-[var(--text-body)] text-sm'>
                       {text ? (
-                        <Streamdown className='space-y-2 text-sm leading-relaxed [&_a]:text-[var(--text-link)] [&_a]:underline [&_li]:my-0.5 [&_ol]:list-decimal [&_ol]:pl-5 [&_ul]:list-disc [&_ul]:pl-5'>
+                        <Streamdown className='space-y-2 text-sm leading-relaxed [&_a]:text-[var(--brand-accent)] [&_a]:underline [&_li]:my-0.5 [&_ol]:list-decimal [&_ol]:pl-5 [&_ul]:list-disc [&_ul]:pl-5'>
                           {text}
                         </Streamdown>
                       ) : isStreaming ? (
@@ -156,7 +156,7 @@ export function AskAI({ locale }: AskAIProps) {
                           href={source.url}
                           target='_blank'
                           rel='noopener noreferrer'
-                          className='rounded-md border border-[var(--border-1)] px-2 py-0.5 text-[var(--text-muted)] text-xs transition-colors hover:bg-[var(--surface-active)]'
+                          className='rounded-lg border border-[var(--border-1)] px-2 py-0.5 text-[var(--text-muted)] text-xs transition-colors hover:bg-[var(--surface-active)]'
                         >
                           {source.title || source.url}
                         </a>
@@ -189,7 +189,7 @@ export function AskAI({ locale }: AskAIProps) {
               }}
               rows={1}
               placeholder='Ask a question…'
-              className='max-h-32 flex-1 resize-none bg-transparent font-season text-[var(--text-base)] text-sm outline-none placeholder:text-[var(--text-muted)]'
+              className='max-h-32 flex-1 resize-none bg-transparent font-season text-[var(--text-body)] text-sm outline-none placeholder:text-[var(--text-muted)]'
             />
             {isBusy ? (
               <button
@@ -198,14 +198,14 @@ export function AskAI({ locale }: AskAIProps) {
                 onClick={() => stop()}
                 className='flex size-8 shrink-0 items-center justify-center rounded-lg bg-[var(--surface-active)] text-[var(--text-icon)]'
               >
-                <Square className='size-[14px]' />
+                <Square className='size-[16px]' />
               </button>
             ) : (
               <button
                 type='submit'
                 aria-label='Send'
                 disabled={!input.trim()}
-                className='flex size-8 shrink-0 items-center justify-center rounded-lg bg-[var(--text-base)] text-[var(--surface-5)] transition-opacity disabled:opacity-40 dark:bg-[var(--text-base)]'
+                className='flex size-8 shrink-0 items-center justify-center rounded-lg bg-[var(--text-primary)] text-[var(--text-inverse)] transition-opacity disabled:opacity-40 dark:bg-white dark:text-[var(--bg)]'
               >
                 <ArrowUp className='size-[16px]' />
               </button>

apps/docs/components/navbar/navbar.tsx

@@ -52,10 +52,10 @@ export function Navbar() {
             <SearchTrigger />
           </div>
 
-          <div className='flex items-center gap-1'>
+          <div className='flex items-center gap-2'>
             <LanguageDropdown />
             <ThemeToggle />
-            <ChipLink href='https://sim.ai' variant='brand' className='ml-1'>
+            <ChipLink href='https://sim.ai' variant='primary'>
               Get started
             </ChipLink>
           </div>

apps/docs/components/ui/chip.tsx

@@ -26,6 +26,9 @@ export const chipContentIconClass = 'size-[16px] flex-shrink-0 text-[var(--text-
 export const chipContentLabelClass = 'min-w-0 truncate text-[var(--text-body)] text-sm'
 /** The filled FILL (surface only, no border) — `--surface-5` light / `--surface-4` dark. */
 export const chipFilledFillTokens = 'bg-[var(--surface-5)] dark:bg-[var(--surface-4)]'
+/** The inverse/primary FILL — dark surface + inverse text in light, white + `--bg` text in dark. */
+const chipPrimaryFillTokens =
+  'bg-[var(--text-primary)] text-[var(--text-inverse)] dark:bg-white dark:text-[var(--bg)]'
 /** 1px `--border-1` border applied to chip triggers so they read as controls. */
 export const TRIGGER_BORDER_CLASS = 'border border-[var(--border-1)]'
 
@@ -34,8 +37,9 @@ export const TRIGGER_BORDER_CLASS = 'border border-[var(--border-1)]'
  *
  * @remarks
  * The implicit default variant is the bare pill — transparent, `--surface-active`
- * on hover. `filled` adds the filled surface; `brand` is the green CTA surface
- * (`--brand-accent`) used for the "Get started" link.
+ * on hover. `filled` adds the filled surface; `primary` is the canonical inverse
+ * CTA surface (dark in light mode, white in dark mode) used for the "Get started"
+ * link.
  */
 const chipVariants = cva(
   `group cursor-pointer font-season ${chipGeometryClass} transition-colors disabled:cursor-not-allowed disabled:opacity-60`,
@@ -44,8 +48,7 @@ const chipVariants = cva(
       variant: {
         default: 'hover:bg-[var(--surface-active)]',
         filled: `${chipFilledFillTokens} hover:bg-[var(--surface-active)]`,
-        brand:
-          'bg-[var(--brand-accent)] text-white hover:bg-[var(--brand-accent-hover)] hover:text-white',
+        primary: `${chipPrimaryFillTokens} hover:bg-[var(--text-body)] dark:hover:bg-[var(--text-secondary)]`,
       },
       fullWidth: { true: 'flex', false: 'inline-flex' },
     },
@@ -66,7 +69,7 @@ interface ChipBaseProps extends VariantProps<typeof chipVariants> {
 }
 
 /**
- * `brand` sets text color on the chip itself — its icon and label inherit via
+ * `primary` sets text color on the chip itself — its icon and label inherit via
  * `currentColor`. The default and `filled` chips use explicit icon
  * (`--text-icon`) and label (`--text-body`) colors.
  */
@@ -76,7 +79,7 @@ function ChipContent({
   rightIcon: RightIcon,
   children,
 }: ChipBaseProps) {
-  const isInverse = variant === 'brand'
+  const isInverse = variant === 'primary'
   const iconClass = cn(chipContentIconClass, isInverse && 'text-current')
   const labelClass = cn(chipContentLabelClass, 'flex-1', isInverse && 'text-current')
   return (
@@ -121,7 +124,7 @@ interface ChipLinkProps
     ChipBaseProps {}
 
 /**
- * @example <ChipLink href='https://sim.ai' variant='brand'>Get started</ChipLink>
+ * @example <ChipLink href='https://sim.ai' variant='primary'>Get started</ChipLink>
  */
 const ChipLink = forwardRef<HTMLAnchorElement, ChipLinkProps>(function ChipLink(
   { className, variant, fullWidth, leftIcon, rightIcon, children, ...props },

apps/docs/components/ui/search-trigger.tsx

@@ -1,6 +1,13 @@
 'use client'
 
 import { Search } from 'lucide-react'
+import {
+  chipContentIconClass,
+  chipFilledFillTokens,
+  chipGeometryClass,
+  TRIGGER_BORDER_CLASS,
+} from '@/components/ui/chip'
+import { cn } from '@/lib/utils'
 
 export function SearchTrigger() {
   const openSearchDialog = () => {
@@ -16,10 +23,15 @@ export function SearchTrigger() {
     <button
       type='button'
       data-search-trigger
-      className='flex h-[30px] w-[360px] cursor-pointer items-center gap-1.5 rounded-lg border border-[var(--border-1)] bg-[var(--surface-5)] px-2 font-season text-[var(--text-muted)] text-sm transition-colors hover:bg-[var(--surface-active)] dark:bg-[var(--surface-4)]'
+      className={cn(
+        chipGeometryClass,
+        chipFilledFillTokens,
+        TRIGGER_BORDER_CLASS,
+        'flex w-[360px] cursor-pointer font-season text-[var(--text-muted)] transition-colors hover:bg-[var(--surface-active)]'
+      )}
       onClick={openSearchDialog}
     >
-      <Search className='size-[14px] text-[var(--text-icon)]' />
+      <Search className={chipContentIconClass} />
       <span>Search&hellip;</span>
       <kbd className='ml-auto flex items-center'>
         <span className='text-[15px]'>⌘</span>

apps/docs/components/ui/video-chapters.tsx

@@ -43,9 +43,12 @@ export function VideoChapters({ title = 'Chapters', chapters, className }: Video
 
   return (
     <aside
-      className={cn('not-prose rounded-xl border border-fd-border bg-fd-card/40 p-5', className)}
+      className={cn(
+        'not-prose rounded-xl border border-[var(--border-1)] bg-[var(--surface-3)] p-5',
+        className
+      )}
     >
-      <h2 className='mt-0 mb-3 font-semibold text-fd-foreground text-lg'>{title}</h2>
+      <h2 className='mt-0 mb-3 font-semibold text-[var(--text-primary)] text-lg'>{title}</h2>
       <ul className='m-0 flex list-none flex-col gap-0.5 p-0'>
         {chapters.map((chapter) => (
           <li key={chapter.title}>
@@ -58,12 +61,12 @@ export function VideoChapters({ title = 'Chapters', chapters, className }: Video
                   new CustomEvent('academy:seek', { detail: { time: parseTime(chapter.time) } })
                 )
               }}
-              className='flex w-full cursor-pointer items-start gap-2.5 rounded-lg px-2.5 py-2 text-left text-fd-muted-foreground text-sm transition-colors hover:bg-fd-accent/50 disabled:cursor-default disabled:hover:bg-transparent'
+              className='flex w-full cursor-pointer items-start gap-2.5 rounded-lg px-2.5 py-2 text-left text-[var(--text-secondary)] text-sm transition-colors hover:bg-[var(--surface-active)] disabled:cursor-default disabled:hover:bg-transparent'
             >
               <CirclePlay className='mt-0.5 size-4 shrink-0' />
               <span className='min-w-0 flex-1 break-words'>{chapter.title}</span>
               {chapter.time && (
-                <span className='mt-0.5 shrink-0 text-fd-muted-foreground text-xs tabular-nums'>
+                <span className='mt-0.5 shrink-0 text-[var(--text-muted)] text-xs tabular-nums'>
                   {chapter.time}
                 </span>
               )}

apps/docs/components/ui/video-placeholder.tsx

@@ -143,8 +143,8 @@ export function VideoPlaceholder({
 
       {/* Top-right status pill — only until a video is wired up */}
       {!hasVideo && (
-        <span className='absolute top-6 right-6 z-10 inline-flex items-center gap-2 rounded-full border border-[#E6E6E6] bg-white px-4 py-2 font-medium text-[#5F5F5F] text-[12px] uppercase tracking-[0.14em] md:top-8 md:right-8 dark:border-white/12 dark:bg-[#1A1A1A] dark:text-[#E6E6E6]'>
-          <span className='size-1.5 rounded-full bg-[#1F8A5B]' />
+        <span className='absolute top-6 right-6 z-10 inline-flex items-center gap-2 rounded-full border border-[var(--border-1)] bg-[var(--surface-2)] px-4 py-2 font-medium text-[12px] text-[var(--text-secondary)] uppercase tracking-[0.14em] md:top-8 md:right-8 dark:bg-[var(--surface-1)]'>
+          <span className='size-1.5 rounded-full bg-[var(--brand-accent)]' />
           {label}
         </span>
       )}

apps/docs/components/ui/what-you-will-learn.tsx

@@ -14,14 +14,19 @@ interface WhatYouWillLearnProps {
 export function WhatYouWillLearn({ items, className }: WhatYouWillLearnProps) {
   return (
     <div
-      className={cn('not-prose rounded-xl border border-fd-border bg-fd-card/40 p-6', className)}
+      className={cn(
+        'not-prose rounded-xl border border-[var(--border-1)] bg-[var(--surface-3)] p-6',
+        className
+      )}
     >
-      <h2 className='mt-0 mb-5 font-semibold text-fd-foreground text-xl'>What you will learn</h2>
+      <h2 className='mt-0 mb-5 font-semibold text-[var(--text-primary)] text-xl'>
+        What you will learn
+      </h2>
       <div className='flex flex-col gap-5'>
         {items.map((item) => (
           <div key={item.title}>
-            <p className='mb-1 font-semibold text-fd-foreground text-sm'>{item.title}</p>
-            <p className='m-0 text-fd-muted-foreground text-sm leading-relaxed'>{item.body}</p>
+            <p className='mb-1 font-semibold text-[var(--text-primary)] text-sm'>{item.title}</p>
+            <p className='m-0 text-[var(--text-secondary)] text-sm leading-relaxed'>{item.body}</p>
           </div>
         ))}
       </div>

apps/docs/components/workflow-preview/block-inspector.tsx

@@ -76,7 +76,7 @@ function FieldControl({ field }: { field: InspectorField }) {
       <div className='flex items-center gap-2'>
         <div
           className='flex h-[18px] w-[32px] items-center rounded-full px-[2px] transition-colors'
-          style={{ background: on ? '#33C482' : 'var(--wp-border-1)' }}
+          style={{ background: on ? 'var(--brand-accent)' : 'var(--wp-border-1)' }}
         >
           <div
             className='size-[14px] rounded-full bg-white'
@@ -94,7 +94,7 @@ function FieldControl({ field }: { field: InspectorField }) {
       <div className='flex w-full items-center gap-3'>
         <div className='relative h-[4px] flex-1 rounded-full bg-[var(--wp-border-1)]'>
           <div
-            className='absolute inset-y-0 left-0 rounded-full bg-[#33C482]'
+            className='absolute inset-y-0 left-0 rounded-full bg-[var(--brand-accent)]'
             style={{ width: `${percent}%` }}
           />
           <div

apps/docs/components/workflow-preview/block-preview.tsx

@@ -76,7 +76,7 @@ function BlockCard({ spec }: { spec: BlockDisplaySpec }) {
               <span className='flex-shrink-0 font-normal text-[14px] text-[var(--wp-text-3)] capitalize'>
                 error
               </span>
-              <span className={`${DOT} right-[-16px] rounded-r-[2px] bg-[#ef4444]`} />
+              <span className={`${DOT} right-[-16px] rounded-r-[2px] bg-[var(--text-error)]`} />
             </div>
           )}
         </div>

apps/docs/components/workflow-preview/output-bundle.tsx

@@ -73,7 +73,7 @@ function TreeNode({ node, depth = 0 }: { node: OutputNode; depth?: number }) {
       <div className='flex min-h-[26px] items-center gap-2 rounded-[6px] px-1'>
         <span
           className='text-[13px]'
-          style={{ color: node.highlight ? '#33b4ff' : 'var(--wp-text)' }}
+          style={{ color: node.highlight ? 'var(--wp-highlight)' : 'var(--wp-text)' }}
         >
           {node.key}
         </span>

apps/docs/components/workflow-preview/preview-block-node.tsx

@@ -42,7 +42,7 @@ const HANDLE_RIGHT = `${HANDLE_BASE} !right-[-8px] !h-5 !w-[7px] !rounded-l-none
 const HANDLE_BRANCH =
   '!z-[10] !border-none !right-[-16px] !h-5 !w-[7px] !rounded-l-none !rounded-r-[2px] !bg-[var(--wp-edge)]'
 const HANDLE_ERROR =
-  '!z-[10] !border-none !right-[-16px] !h-5 !w-[7px] !rounded-l-none !rounded-r-[2px] !bg-[#ef4444]'
+  '!z-[10] !border-none !right-[-16px] !h-5 !w-[7px] !rounded-l-none !rounded-r-[2px] !bg-[var(--text-error)]'
 
 /**
  * Static preview block node matching the real WorkflowBlock styling.
@@ -88,7 +88,7 @@ export const PreviewBlockNode = memo(function PreviewBlockNode({
       >
         <div className='relative z-[20] w-[250px] select-none rounded-[8px] border border-[var(--wp-border-1)] bg-[var(--wp-surface)]'>
           {isHighlighted && (
-            <div className='pointer-events-none absolute inset-0 z-40 rounded-[8px] ring-2 ring-[#33b4ff]' />
+            <div className='pointer-events-none absolute inset-0 z-40 rounded-[8px] ring-2 ring-[var(--wp-highlight)]' />
           )}
           {!hideTargetHandle && (
             <Handle

apps/docs/components/workflow-preview/workflow-data.ts

@@ -52,7 +52,7 @@ export const BLOCK_STAGGER = 0.12
 export const EASE_OUT: [number, number, number, number] = [0.16, 1, 0.3, 1]
 
 const EDGE_STYLE = { stroke: 'var(--wp-edge)', strokeWidth: 1.5 } as const
-const EDGE_STYLE_HIGHLIGHT = { stroke: '#33b4ff', strokeWidth: 2.5 } as const
+const EDGE_STYLE_HIGHLIGHT = { stroke: 'var(--wp-highlight)', strokeWidth: 2.5 } as const
 
 /** Optional emphasis: light one block or one edge and dim everything else. */
 export interface HighlightOptions {