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xAI

xAIAI 与大模型平台

马斯克的 AI 实验室。极致单色,未来感极简

实时预览

配色 Colors · 18

primary
#ffffff
on-primary
#0a0a0a
ink
#ffffff
ink-hover
#fafaf7
body
#dadbdf
body-mid
#7d8187
mute
#7d8187
hairline
#212327
canvas
#0a0a0a
canvas-soft
#1a1c20
canvas-card
#191919
canvas-mid
#363a3f
accent-sunset
#ff7a17
accent-sunset-soft
#ffc285
accent-dusk
#7c3aed
accent-twilight
#c4b5fd
accent-breeze
#a0c3ec
accent-midnight
#0d1726

字体阶梯 Typography · 11

display-xl
96px · 400
永远相信美好的事情即将发生 Ag
display-lg
72px · 400
永远相信美好的事情即将发生 Ag
display-md
48px · 400
永远相信美好的事情即将发生 Ag
display-sm
32px · 400
永远相信美好的事情即将发生 Ag
display-xs
20px · 400
永远相信美好的事情即将发生 Ag
body-lg
18px · 400
永远相信美好的事情即将发生 Ag
body-md
16px · 400
永远相信美好的事情即将发生 Ag
body-sm
14px · 400
永远相信美好的事情即将发生 Ag
caption-mono
14px · 400
永远相信美好的事情即将发生 Ag
caption-mono-sm
12px · 400
永远相信美好的事情即将发生 Ag
button-md
14px · 400
永远相信美好的事情即将发生 Ag

圆角 Radius · 4

none
0px
sm
8px
pill
9999px
full
9999px

间距 Spacing · 9

xxs
2px
xs
4px
sm
8px
md
12px
lg
16px
xl
24px
2xl
32px
3xl
48px
4xl
64px

按钮预览 Buttons

标签 Badge

组件规范 Components · 23

nav-bar
backgroundColor
#0a0a0a
textColor
#ffffff
typography
{typography.body-sm}
padding
{spacing.md} {spacing.xl}
nav-link
textColor
#ffffff
typography
{typography.body-sm}
button-primary
backgroundColor
#ffffff
textColor
#0a0a0a
borderColor
#ffffff
typography
{typography.button-md}
rounded
9999px
padding
{spacing.xs} {spacing.md}
button-outline-on-dark
backgroundColor
#0a0a0a
textColor
#ffffff
borderColor
#212327
typography
{typography.button-md}
rounded
9999px
padding
{spacing.sm} {spacing.lg}
button-outline-sm
backgroundColor
#0a0a0a
textColor
#ffffff
borderColor
#212327
typography
{typography.button-md}
rounded
9999px
padding
{spacing.xs} {spacing.md}
text-input
backgroundColor
#1a1c20
textColor
#ffffff
borderColor
#212327
typography
{typography.body-md}
rounded
8px
padding
{spacing.md} {spacing.lg}
card-content
backgroundColor
#191919
textColor
#ffffff
borderColor
#212327
typography
{typography.body-md}
rounded
8px
padding
24px
card-feature-product
backgroundColor
#191919
textColor
#ffffff
borderColor
#212327
typography
{typography.body-md}
rounded
8px
padding
24px
hero-band
backgroundColor
#0a0a0a
textColor
#ffffff
typography
{typography.display-xl}
padding
{spacing.4xl} {spacing.xl}
content-band
backgroundColor
#0a0a0a
textColor
#ffffff
typography
{typography.display-md}
padding
{spacing.4xl} {spacing.xl}
eyebrow-mono
textColor
#ffffff
typography
{typography.caption-mono}
divider-hairline
borderColor
#212327
footer
backgroundColor
#0a0a0a
textColor
#dadbdf
typography
{typography.body-sm}
padding
{spacing.3xl} {spacing.xl}
ex-pricing-tier
description
Default Pricing tier card. Re-uses feature-card chrome with brand canvas-soft surface.
backgroundColor
#1a1c20
textColor
#ffffff
borderColor
#212327
rounded
8px
padding
24px
ex-pricing-tier-featured
description
Featured/highlighted tier — polarity-flipped surface (dark fill + light text in light mode, light fill + dark text in dark mode).
backgroundColor
#ffffff
textColor
#0a0a0a
rounded
8px
padding
24px
ex-product-selector
description
What's Included summary card — re-purposed for SaaS / B2B verticals (NOT a literal product gallery).
backgroundColor
#1a1c20
rounded
8px
padding
24px
ex-cart-drawer
description
Subscription summary — re-purposed for SaaS / B2B (line items per add-on, not literal cart).
backgroundColor
#0a0a0a
rounded
8px
padding
24px
item-divider
#212327
ex-app-shell-row
description
Sidebar nav row inside the App Shell example. Active state uses brand primary as the indicator.
backgroundColor
#0a0a0a
activeIndicator
#ffffff
rounded
8px
padding
{spacing.md} {spacing.lg}
ex-data-table-cell
description
Default data-table th + td chrome. Header uses mono-caps eyebrow typography; body uses body-sm.
headerBackground
#1a1c20
headerTypography
{typography.caption-mono}
bodyTypography
{typography.body-sm}
cellPadding
{spacing.md} {spacing.lg}
rowBorder
#212327
ex-auth-form-card
description
Sign-in / sign-up card. Re-uses feature-card chrome with text-input primitives inside.
backgroundColor
#1a1c20
rounded
8px
padding
24px
ex-modal-card
description
Modal dialog surface — same chrome as feature-card with elevated shadow.
backgroundColor
#0a0a0a
rounded
8px
padding
24px
ex-empty-state-card
description
Empty-state illustration frame.
backgroundColor
#1a1c20
rounded
8px
padding
48px
captionTypography
{typography.body-md}
ex-toast
description
Toast notification surface — feature-card shape + medium shadow.
backgroundColor
#0a0a0a
rounded
8px
padding
{spacing.md} {spacing.lg}
typography
{typography.body-sm}

设计规范


version: alpha name: xAI-Inspired-design-analysis description: An inspired interpretation of xAI's design language — Elon Musk's frontier-AI company whose web surface is a strict near-black canvas broken only by white pill outlines, occasional warm sunset / dusk gradient accents, a custom geometric sans (Universal Sans) for display, and an uppercase tracked monospace caption face; the whole system reads as engineered-cosmic, unmarketed.

colors: primary: "#ffffff" on-primary: "#0a0a0a" ink: "#ffffff" ink-hover: "#fafaf7" body: "#dadbdf" body-mid: "#7d8187" mute: "#7d8187" hairline: "#212327" canvas: "#0a0a0a" canvas-soft: "#1a1c20" canvas-card: "#191919" canvas-mid: "#363a3f" accent-sunset: "#ff7a17" accent-sunset-soft: "#ffc285" accent-dusk: "#7c3aed" accent-twilight: "#c4b5fd" accent-breeze: "#a0c3ec" accent-midnight: "#0d1726"

typography: display-xl: fontFamily: universalSans, Inter, system-ui, -apple-system, sans-serif fontSize: 96px fontWeight: 400 lineHeight: 96px letterSpacing: -2.4px display-lg: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 72px fontWeight: 400 lineHeight: 72px letterSpacing: -1.8px display-md: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 48px fontWeight: 400 lineHeight: 48px letterSpacing: -1.2px display-sm: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 32px fontWeight: 400 lineHeight: 36px letterSpacing: -0.6px display-xs: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 20px fontWeight: 400 lineHeight: 28px body-lg: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 18px fontWeight: 400 lineHeight: 28px body-md: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 16px fontWeight: 400 lineHeight: 24px body-sm: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 14px fontWeight: 400 lineHeight: 20px caption-mono: fontFamily: GeistMono, ui-monospace, SFMono-Regular, Menlo, Monaco, monospace fontSize: 14px fontWeight: 400 lineHeight: 20px letterSpacing: 1.4px caption-mono-sm: fontFamily: GeistMono, ui-monospace, SFMono-Regular, Menlo, monospace fontSize: 12px fontWeight: 400 lineHeight: 16px letterSpacing: 1.2px button-md: fontFamily: universalSans, Inter, system-ui, sans-serif fontSize: 14px fontWeight: 400 lineHeight: 20px

rounded: none: 0px sm: 8px pill: 9999px full: 9999px

spacing: xxs: 2px xs: 4px sm: 8px md: 12px lg: 16px xl: 24px 2xl: 32px 3xl: 48px 4xl: 64px

components: nav-bar: backgroundColor: "{colors.canvas}" textColor: "{colors.ink}" typography: "{typography.body-sm}" padding: "{spacing.md} {spacing.xl}" nav-link: textColor: "{colors.ink}" typography: "{typography.body-sm}" button-primary: backgroundColor: "{colors.primary}" textColor: "{colors.on-primary}" borderColor: "{colors.primary}" typography: "{typography.button-md}" rounded: "{rounded.pill}" padding: "{spacing.xs} {spacing.md}" button-outline-on-dark: backgroundColor: "{colors.canvas}" textColor: "{colors.ink}" borderColor: "{colors.hairline}" typography: "{typography.button-md}" rounded: "{rounded.pill}" padding: "{spacing.sm} {spacing.lg}" button-outline-sm: backgroundColor: "{colors.canvas}" textColor: "{colors.ink}" borderColor: "{colors.hairline}" typography: "{typography.button-md}" rounded: "{rounded.pill}" padding: "{spacing.xs} {spacing.md}" text-input: backgroundColor: "{colors.canvas-soft}" textColor: "{colors.ink}" borderColor: "{colors.hairline}" typography: "{typography.body-md}" rounded: "{rounded.sm}" padding: "{spacing.md} {spacing.lg}" card-content: backgroundColor: "{colors.canvas-card}" textColor: "{colors.ink}" borderColor: "{colors.hairline}" typography: "{typography.body-md}" rounded: "{rounded.sm}" padding: "{spacing.xl}" card-feature-product: backgroundColor: "{colors.canvas-card}" textColor: "{colors.ink}" borderColor: "{colors.hairline}" typography: "{typography.body-md}" rounded: "{rounded.sm}" padding: "{spacing.xl}" hero-band: backgroundColor: "{colors.canvas}" textColor: "{colors.ink}" typography: "{typography.display-xl}" padding: "{spacing.4xl} {spacing.xl}" content-band: backgroundColor: "{colors.canvas}" textColor: "{colors.ink}" typography: "{typography.display-md}" padding: "{spacing.4xl} {spacing.xl}" eyebrow-mono: textColor: "{colors.ink}" typography: "{typography.caption-mono}" divider-hairline: borderColor: "{colors.hairline}" footer: backgroundColor: "{colors.canvas}" textColor: "{colors.body}" typography: "{typography.body-sm}" padding: "{spacing.3xl} {spacing.xl}"

─── Examples (illustrative) — auto-derived; resolve any TO_FILL markers below ───

ex-pricing-tier: description: "Default Pricing tier card. Re-uses feature-card chrome with brand canvas-soft surface." backgroundColor: "{colors.canvas-soft}" textColor: "{colors.ink}" borderColor: "{colors.hairline}" rounded: "{rounded.sm}" padding: "{spacing.xl}" ex-pricing-tier-featured: description: "Featured/highlighted tier — polarity-flipped surface (dark fill + light text in light mode, light fill + dark text in dark mode)." backgroundColor: "{colors.ink}" textColor: "{colors.on-primary}" rounded: "{rounded.sm}" padding: "{spacing.xl}" ex-product-selector: description: "What's Included summary card — re-purposed for SaaS / B2B verticals (NOT a literal product gallery)." backgroundColor: "{colors.canvas-soft}" rounded: "{rounded.sm}" padding: "{spacing.xl}" ex-cart-drawer: description: "Subscription summary — re-purposed for SaaS / B2B (line items per add-on, not literal cart)." backgroundColor: "{colors.canvas}" rounded: "{rounded.sm}" padding: "{spacing.xl}" item-divider: "{colors.hairline}" ex-app-shell-row: description: "Sidebar nav row inside the App Shell example. Active state uses brand primary as the indicator." backgroundColor: "{colors.canvas}" activeIndicator: "{colors.primary}" rounded: "{rounded.sm}" padding: "{spacing.md} {spacing.lg}" ex-data-table-cell: description: "Default data-table th + td chrome. Header uses mono-caps eyebrow typography; body uses body-sm." headerBackground: "{colors.canvas-soft}" headerTypography: "{typography.caption-mono}" bodyTypography: "{typography.body-sm}" cellPadding: "{spacing.md} {spacing.lg}" rowBorder: "{colors.hairline}" ex-auth-form-card: description: "Sign-in / sign-up card. Re-uses feature-card chrome with text-input primitives inside." backgroundColor: "{colors.canvas-soft}" rounded: "{rounded.sm}" padding: "{spacing.xl}" ex-modal-card: description: "Modal dialog surface — same chrome as feature-card with elevated shadow." backgroundColor: "{colors.canvas}" rounded: "{rounded.sm}" padding: "{spacing.xl}" ex-empty-state-card: description: "Empty-state illustration frame." backgroundColor: "{colors.canvas-soft}" rounded: "{rounded.sm}" padding: "{spacing.3xl}" captionTypography: "{typography.body-md}" ex-toast: description: "Toast notification surface — feature-card shape + medium shadow." backgroundColor: "{colors.canvas}" rounded: "{rounded.sm}" padding: "{spacing.md} {spacing.lg}" typography: "{typography.body-sm}"


Overview

xAI is Elon Musk's frontier-AI lab and the website wears that posture with engineered restraint: a near-black canvas {colors.canvas} (#0a0a0a) edge-to-edge, white outline pills as every interactive element, and a single proprietary geometric sans Universal Sans carrying every display headline at weight 400. There is no gradient hero, no atmospheric backdrop, no product screenshot. The brand reads as confidently sparse — a research lab announcing its work rather than a SaaS marketing site.

Type is the second decisive voice. Universal Sans carries every display at weight 400 (regular) with aggressive negative tracking (-2.4 px at 96 px, scaling down through the display ladder). For technical labels, eyebrows, and metric counters, the brand pairs Geist Mono (uppercase, 1.4 px positive tracking) — every section eyebrow reads as a code comment more than a marketing label.

Every interactive element is a pill ({rounded.pill} 9999 px) with 1 px white-translucent border rgba(255, 255, 255, 0.25). The button shape never varies — the same translucent-white pill carries "Try Grok", "Read announcement", "Custom Voices", "Sign up now", and every "Read" anchor. The pill is the entire shape system.

Key Characteristics:

  • A single near-black canvas ({colors.canvas} #0a0a0a) with white outline pills as the entire interactive vocabulary.
  • Universal Sans weight 400 for display, Geist Mono uppercase tracked for labels — the two-face contrast IS the brand voice.
  • Every button is a {rounded.pill} outline with translucent-white border. The brand never uses filled CTAs except for one variant (white-filled pill on Sign Up).
  • Cards are tight {rounded.sm} 8 px rectangles in a slightly-lighter {colors.canvas-card} (#191919) fill with hairline border. No shadows.
  • A muted accent palette of sunset-orange / dusk-purple / twilight-violet / breeze-blue lives in the design tokens but appears rarely on the main marketing surface — reserved for product illustrations / icons.
  • Massive negative letter-spacing on display headlines (-2.4 px at 96 px) gives the typography a precise, gathered look.

Colors

Brand & Accent

  • White ({colors.primary}#ffffff): The brand's primary "color" — used as button outline, button-primary fill, all display text. The brand's signature is white-on-near-black.
  • Sunset Orange ({colors.accent-sunset}#ff7a17): A warm orange used inside product illustrations and accent moments.
  • Sunset Soft ({colors.accent-sunset-soft}#ffc285): The lighter variant of the sunset accent.
  • Dusk Purple ({colors.accent-dusk}#7c3aed): Deep purple used inside product illustrations.
  • Twilight ({colors.accent-twilight}#c4b5fd): Soft violet — illustrative accent.
  • Breeze Blue ({colors.accent-breeze}#a0c3ec): Soft blue — illustrative accent.
  • Midnight ({colors.accent-midnight}#0d1726): Deep blue-black for illustrative backgrounds.

Surface

  • Canvas ({colors.canvas}#0a0a0a): The default near-black page background. The brand's only true surface.
  • Canvas Soft ({colors.canvas-soft}#1a1c20): A slightly lighter dark fill used for hovered nav items and tooltips.
  • Canvas Card ({colors.canvas-card}#191919): The charcoal card fill used inside product-feature cards.
  • Canvas Mid ({colors.canvas-mid}#363a3f): A mid-dark used for nested surfaces and code mockup backgrounds.
  • Hairline ({colors.hairline}#212327): 1 px solid dividers on dark surfaces.

Text

  • Ink ({colors.ink}#ffffff): Default text on canvas — pure white.
  • Ink Hover ({colors.ink-hover}#fafaf7): Slightly off-white used for hover states (filtered out per no-hover policy in component specs).
  • Body ({colors.body}#dadbdf): Secondary body text — supporting copy in lighter weight.
  • Body Mid / Mute ({colors.body-mid}#7d8187): Mid-emphasis body and mute text — captions, fine print.

Semantic

The brand doesn't surface a separate semantic palette on the marketing site. Validation cues use the white-on-canvas hierarchy.

Typography

Font Family

Two faces ladder the system:

  1. universalSans — proprietary geometric sans used for every display, body, button, and link role. Weight 400 only on the marketing surface (the brand's restraint is part of the voice). Negative letter-spacing at display sizes is the visual signature.
  2. GeistMono — used for uppercase section eyebrows, label captions, and metric counters. Positive tracking (1.2 – 1.4 px) at 12 – 14 px.

Hierarchy

TokenSizeWeightLine HeightLetter SpacingUse
{typography.display-xl}96px40096px-2.4pxMaximum hero scale.
{typography.display-lg}72px40072px-1.8pxSub-hero displays.
{typography.display-md}48px40048px-1.2pxSection headlines.
{typography.display-sm}32px40036px-0.6pxCard-cluster headings.
{typography.display-xs}20px40028px0Inline displays.
{typography.body-lg}18px40028px0Lead paragraphs.
{typography.body-md}16px40024px0Default body.
{typography.body-sm}14px40020px0Secondary body.
{typography.caption-mono}14px40020px1.4pxSection eyebrow (GeistMono uppercase).
{typography.caption-mono-sm}12px40016px1.2pxSmall mono labels.
{typography.button-md}14px40020px0Button label.

Principles

  • Weight 400 for everything. The brand never bolds. Negative tracking + size hierarchy do the emphasis work.
  • Tight negative tracking on display sizes. Reverting to neutral tracking loses the precision feel.
  • GeistMono uppercase for eyebrows. Tracked positively (1.4 px) to make the mono read as a code comment.

Note on Font Substitutes

universalSans is proprietary. Open-source substitutes:

  • Display + bodyInter weight 400 with -0.04em to -0.02em letter-spacing at display sizes comes closest. Geist is the second-best option.
  • MonoGeist Mono is the documented brand companion; JetBrains Mono or IBM Plex Mono are alternates.

Layout

Spacing System

  • Base unit: 4 px.
  • Tokens: {spacing.xxs} 2 px · {spacing.xs} 4 px · {spacing.sm} 8 px · {spacing.md} 12 px · {spacing.lg} 16 px · {spacing.xl} 24 px · {spacing.2xl} 32 px · {spacing.3xl} 48 px · {spacing.4xl} 64 px.
  • Section padding: hero / content bands at {spacing.4xl} 64 px on desktop.
  • Card interior padding: {spacing.xl} 24 px.

Grid & Container

  • Marketing content centres at ~1200 px.
  • Product / announcement card grid: 2-up at desktop, 1-up at mobile.

Responsive Strategy

Breakpoints

NameWidthKey Changes
Mobile< 768pxHero scales 96 → 48 px; grids 1-up; hamburger nav.
Desktop≥ 768pxFull hero + 2-up grids.

Touch Targets

Buttons render ~32 – 40 px tall (8 vertical padding + 20 line). Mobile inflates touch area to meet WCAG 44 × 44 px.

Image Behavior

The brand uses sparse SVG illustrations for product moments (Grok, Voice, API). No photography on the marketing surface.

Elevation & Depth

LevelTreatmentUse
Level 0 — FlatNo shadow, no border.Default.
Level 1 — Hairline1 px solid {colors.hairline} border.Card chrome, button outlines (with translucent white).

The brand uses no shadows. Hairline borders carry all elevation cues.

Shapes

Border Radius Scale

TokenValueUse
{rounded.none}0pxFull-bleed bands.
{rounded.sm}8pxCard chrome (the brand's --radius value).
{rounded.pill}9999pxEvery button — the brand's universal interactive shape.
{rounded.full}9999pxCircular icon containers.

Components

Buttons

button-primary — the rare white-filled pill (used on a single Sign Up CTA).

  • Background {colors.primary} white, text {colors.on-primary} near-black, 1 px solid white border, label {typography.button-md}, padding {spacing.xs} {spacing.md}, shape {rounded.pill} 9999 px.

button-outline-on-dark — the canonical white-outline pill, used for every non-primary CTA.

  • Background {colors.canvas} (transparent in practice — rgba(0,0,0,0)), text {colors.ink} white, 1 px solid {colors.hairline} border (translucent white at runtime), same typography / padding scale / shape.

button-outline-sm — the smaller outline pill used in card-cluster CTAs.

  • Same as button-outline-on-dark with tighter padding {spacing.xs} {spacing.md}.

Cards & Containers

card-content — the default content card.

  • Background {colors.canvas-card} (#191919), text {colors.ink}, 1 px solid {colors.hairline} border, padding {spacing.xl}, shape {rounded.sm} 8 px.

card-feature-product — the product-feature card (Grok / Voice / API).

  • Same chrome as card-content. Hosts an SVG illustration + headline + body + outline pill CTA.

Inputs & Forms

text-input — the standard text input on dark.

  • Background {colors.canvas-soft}, text {colors.ink}, 1 px solid {colors.hairline}, body in {typography.body-md}, padding {spacing.md} {spacing.lg}, shape {rounded.sm} 8 px.

Navigation

nav-bar — the sticky top nav.

  • Background {colors.canvas}, text {colors.ink}, padding {spacing.md} {spacing.xl}.

nav-link — link items inside nav.

  • Text {colors.ink}, set in {typography.body-sm}.

footer — the footer band.

  • Background {colors.canvas}, text {colors.body}, padding {spacing.3xl} {spacing.xl}. Body in {typography.body-sm}.

Signature Components

hero-band — the dark hero with massive display headline.

  • Background {colors.canvas}, text {colors.ink}, padding {spacing.4xl} {spacing.xl}. Headline in {typography.display-xl} (96 px weight 400 with -2.4 px tracking).

content-band — the standard content section.

  • Background {colors.canvas}, text {colors.ink}, padding {spacing.4xl} {spacing.xl}. Section headline in {typography.display-md} preceded by a {typography.caption-mono} UPPERCASE GeistMono eyebrow.

eyebrow-mono — the uppercase tracked GeistMono label above every section headline.

  • Text {colors.ink}, set in {typography.caption-mono}. The brand's signature label style.

divider-hairline — the 1 px line between section bands.

  • 1 px solid {colors.hairline}.

Examples (illustrative)

Auto-derived kit-mirror demonstration surfaces (scripts/derive-examples-block.mjs). Each ex-* entry references brand-native primitives so downstream consumers (/preview-design, /generate-kit) re-skin the same 10 surfaces consistently. TO_FILL markers indicate missing primitives — resolve in the LLM judgment pass.

ex-pricing-tier — Default Pricing tier card. Re-uses feature-card chrome with brand canvas-soft surface.

  • Properties: backgroundColor, textColor, borderColor, rounded, padding

ex-pricing-tier-featured — Featured/highlighted tier — polarity-flipped surface (dark fill + light text in light mode, light fill + dark text in dark mode).

  • Properties: backgroundColor, textColor, rounded, padding

ex-product-selector — What's Included summary card — re-purposed for SaaS / B2B verticals (NOT a literal product gallery).

  • Properties: backgroundColor, rounded, padding

ex-cart-drawer — Subscription summary — re-purposed for SaaS / B2B (line items per add-on, not literal cart).

  • Properties: backgroundColor, rounded, padding, item-divider

ex-app-shell-row — Sidebar nav row inside the App Shell example. Active state uses brand primary as the indicator.

  • Properties: backgroundColor, activeIndicator, rounded, padding

ex-data-table-cell — Default data-table th + td chrome. Header uses mono-caps eyebrow typography; body uses body-sm.

  • Properties: headerBackground, headerTypography, bodyTypography, cellPadding, rowBorder

ex-auth-form-card — Sign-in / sign-up card. Re-uses feature-card chrome with text-input primitives inside.

  • Properties: backgroundColor, rounded, padding

ex-modal-card — Modal dialog surface — same chrome as feature-card with elevated shadow.

  • Properties: backgroundColor, rounded, padding

ex-empty-state-card — Empty-state illustration frame.

  • Properties: backgroundColor, rounded, padding, captionTypography

ex-toast — Toast notification surface — feature-card shape + medium shadow.

  • Properties: backgroundColor, rounded, padding, typography

Do's and Don'ts

Do

  • Reserve {colors.canvas} (#0a0a0a) as the only page surface. The brand is dark-canvas only.
  • Set hero headlines in {typography.display-xl} Universal Sans weight 400 with -2.4 px tracking. The precision IS the voice.
  • Use {rounded.pill} 9999 px on every interactive element. The pill is the brand.
  • Pair Universal Sans (sentence-case) with GeistMono UPPERCASE (eyebrows, labels, metric counters).
  • Use white-translucent borders for outline buttons — the brand never uses solid white borders on its outline pill.

Don't

  • Don't introduce a light-mode counterpart. xAI is dark-canvas only.
  • Don't bold display headlines. Weight 400 is the entire scale.
  • Don't use filled buttons broadly. The brand uses outline pills almost exclusively; one Sign Up white-filled pill is the rare exception.
  • Don't drop a drop-shadow on cards. Hairline borders carry elevation.
  • Don't substitute Universal Sans with a generic geometric sans without adjusting letter-spacing. The negative tracking is part of the brand.