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PUBLIC REFERENCE

xAI

Midnight Command Center: A dark, responsive interface with precise typographic hierarchy and subtle interactive cues.

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DESIGN.md tokens.json Tailwind v4 detail JSON

Colors

Deep Midnight #0c0c0b

Neutral form states, badge text, and quiet UI feedback where color should stay understated. Do not promote it to the primary CTA color

Faded Steel #1f2228

Secondary background, subtle borders for ghost buttons and card outlines. Its slight tint keeps it from being pure black

Frost White #ffffff

Primary text, interactive element text, button backgrounds, and subtle highlight shadows. Provides high contrast on dark surfaces

Muted Ash #7d8187

Secondary text for badges, navigation, and body copy. Offers readability without high contrast; Decorative footer background effect, transitioning from dark with subtle color to full black

Whisper Gray #474747

Subtle button and navigation borders, creating a very soft outline

Electric Blue #2563eb

Violet state accent for badges, validation surfaces, and short status labels. Do not promote it to the primary CTA color

Do

  • Retain the dominant dark theme using Deep Midnight (#0c0c0b) as the canvas and Faded Steel (#1f2228) for secondary surfaces.
  • Use Frost White (#ffffff) for all primary text, ensuring high contrast on dark backgrounds.
  • Apply universalSans with -0.0250em letter spacing for all headlines and body text to maintain the compact, confident typographic style.
  • Reserve Electric Blue (#2563eb) exclusively for interactive input focus states and accents, maintaining its visual impact as a sole chromatic element.
  • Apply a 9999px border-radius to all interactive buttons for a soft, pill-shaped appearance.
  • Set internal padding for feature cards at 16px to create consistent breathing room for content.
  • Utilize GeistMono with 0.1000em letter spacing for all badges and auxiliary labels to establish a technical, distinct text style.

Don't

  • Avoid introducing additional saturated colors; maintain the restricted palette with Electric Blue as the only vivid accent.
  • Do not use heavy box-shadows or significant elevation; prefer subtle borders and slight background shifts for surface differentiation.
  • Do not use rectangular, sharp-edged buttons; enforce the 9999px radius for all interactive buttons.
  • Avoid large imagery or elaborate illustrations; prioritize clean UI and minimal, abstract graphics.
  • Do not use a light theme; the brand identity is firmly established in dark mode.
  • Do not vary paragraph line heights or font weights frequently within body text; maintain the universalSans-400, 1.5 lineHeight standard.
  • Avoid dense, unbroken blocks of text; break content into manageable sections with clear headings and ample vertical spacing of at least 48px between major sections.