AI Chat App
A focused, dark AI chat DESIGN.md: near-black canvas, layered charcoal surfaces, a single emerald accent for send and active state, and streaming-aware message bubbles.
- Tokens
- 14
- Components
- 8
- Themes
- Light + Dark
- Responsive
- 3 breakpoints
Preview Lab
LiveInspect theme and responsive behavior
Design system overview
A calm dark room where the conversation is everything
A focused, dark AI chat system: near-black canvas, layered charcoal surfaces, a single emerald accent for send and active state, and streaming-aware message bubbles.
The template defines the working system behind the preview: thread layout, message bubble anatomy, composer behavior, streaming and stop states, semantic status, keyboard focus, and implementation rules for AI coding agents.
Primary
One clear action
Active navigation and primary controls
Typography
$482,900
Total revenue
+8.2% this month
Controls
Status
Tokens
Color system
Named roles from the template contract. Every swatch is keyboard-copyable and includes its intended use, so the palette stays meaningful outside this preview.
Brand
Surfaces
Text
Semantic
Source file
Raw DESIGN.md and export formats
This is the single canonical source view. Anonymous visitors see a short preview; signed-in users get the complete Markdown and generated implementation formats.
# AI Chat App DESIGN.md
## Product feel
Build a focused, dark chat product where the conversation is the entire experience. Use a near-black
canvas, layered charcoal surfaces, and a single emerald accent for the send action and active state.
Nothing competes with the message stream. Calm at rest, clearly alive while a response streams.
## Color system
### Brand
- Emerald: #10b981 — send action, active state, positive proof
- Emerald Deep: #059669 — hover/pressed emerald, accent text
### Surfaces (dark)
- Canvas: #0a0a0a — app background
- Surface: #111111 — thread and sidebar background
- Surface Raised: #1a1a1a — assistant bubble, menus, inputs
- Surface Hover: #222222 — hover rows and controls
- Border: #333333 — separators and outlines
### Text
- Text Primary: #ffffff — message body, headings
- Text Secondary: #888888 — metadata, timestamps, labels
- Text Muted: #555555 — placeholders, disabled
### Semantic
- Success: #10b981 — completed, healthy
- Warning: #f59e0b — rate limit, pending
- Danger: #ef4444 — error, stopped
- Info: #3b82f6 — informational links
## Light mode
- Emerald: #10b981 — send action, active state, positive proof
- Emerald Deep: #059669 — hover/pressed emerald, accent text
- Canvas: #ffffff — app background
- Surface: #f7f7f8 — thread and sidebar background
- Surface Raised: #ececef — assistant bubble, menus, inputs
- Surface Hover: #e2e2e6 — hover rows and controls
- Border: #e5e5e5 — separators and outlines
- Text Primary: #111111 — message body, headings
How to use this template
- 01
Copy
Copy the complete DESIGN.md content from this page.
- 02
Paste
Create a DESIGN.md file in your project root and paste it in.
- 03
Reference
In your AI agent chat: "Build the next screen following DESIGN.md."
- 04
Generate
The agent applies the tokens, spacing, and component rules automatically.
Use with AI Coding Agents
Copy one of these prompts into your AI coding agent to apply the AI Chat App DESIGN.md design system to your project. The DESIGN.md file in your repo root is the source of truth.
# .cursor/rules (or DESIGN.md) You are working in a project that uses the AI Chat App DESIGN.md design system. Read the DESIGN.md file in this project root and follow it strictly when generating UI. Match the brand's exact colors, typography, spacing scale, and border radius. Do not create generic Tailwind UI — apply the visual language from DESIGN.md. Key rules: - Use the defined color palette, not arbitrary hex values - Apply the correct font family and weight scale - Follow spacing tokens (4/8/12/16/24/32px scale) - Match component patterns: buttons, cards, inputs, badges as specified
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Goes well with
Frequently asked questions
How do I use the AI Chat App DESIGN.md template with Cursor?
Copy the full DESIGN.md from this page into your project root, or add it to .cursor/rules when you want Cursor-specific project rules. Then prompt: "Read DESIGN.md and follow its design system for every UI change."
Is the AI Chat App template free for commercial projects?
Yes. All DesignMD templates are MIT licensed — copy, modify, and ship them in commercial products without attribution.
What does the AI Chat App DESIGN.md include?
AI Chat App documents light + dark tokens, responsive layout rules, and Message Bubble, Prompt Composer, Send Button, Secondary Button patterns for AI coding agents. It is prepared for Cursor, Claude Code, Codex.