Tradazone Design System

Version: 1.0.0
Status: Active
Last Updated: February 22, 2026
Maintained by: Tradazone Design Engineering

Introduction
Foundations
Design Tokens Architecture
Component Library
Patterns & Layout Systems
Governance & Scalability
Cross-Product Consistency Strategy

1. Introduction

1.1 Purpose

This design system is the single source of truth for the Tradazone platform. It defines the visual language, interaction patterns, component specifications, and governance model that ensure consistency, quality, and velocity across every area of the product.

1.2 Design Philosophy

Tradazone follows four core design principles:

Principle	Definition
Clarity	Every element communicates its purpose without ambiguity. Interfaces are scannable, information-dense, and silent where silence serves the user.
Precision	Pixel-level consistency. No approximations. Spacing, typography, and alignment follow the system â€” never ad-hoc values.
Composability	Components are atomic, self-contained, and composable. A button behaves identically whether it lives in a dashboard, a modal, or a marketing page.
Durability	Decisions are made for the long term. Every token, component, and pattern is built to scale across products, themes, and platforms without architectural rewrites.

1.3 Brand Identity

Tone: Professional, technical, trustworthy
Visual Character: Clean geometry, sharp edges, structured layouts, data-forward interfaces
Personality: A system that works hard behind the scenes â€” users feel confident, never confused

1.4 Products Covered

Product	Type	Status
Tradazone	Dashboard / SaaS	Active
(Future products)	To be registered	Planned

All products inherit from this system. Product-specific overrides are documented in Section 7.

2. Foundations

2.1 Color System

2.1.1 Brand Colors

Token	Value	Usage
`brand.DEFAULT`	`#3C3CEF`	Primary action, active states, links, focused elements
`brand.dark`	`#2E2ED4`	Hover states on brand elements, pressed buttons
`brand.light`	`#5A5AF5`	Decorative, secondary brand treatments
`brand.bg`	`#EDEDFD`	Active navigation background, selected row highlight

2.1.2 Accent Colors

Token	Value	Usage
`accent.orange`	`#F5A623`	Wallet icon, quick-action lightning bolt, warm accents
`accent.blue`	`#3C3CEF`	Alias of brand.DEFAULT â€” use `brand.DEFAULT` directly

2.1.3 Neutral / Surface Colors

Token	Value	Usage
`page`	`#F5F6FA`	Application background, page canvas
`sidebar`	`#F8FAFC`	Sidebar background
`white`	`#FFFFFF`	Card surfaces, inputs, modals

2.1.4 Text Colors

Token	Value	Usage
`t-primary`	`#1E293B`	Headings, primary body text, high-emphasis content
`t-secondary`	`#5A6B80`	Subheadings, secondary labels, nav items (inactive)
`t-muted`	`#6B7FA0`	Timestamps, metadata, placeholders, helper text
`t-light`	`#CBD5E1`	Disabled text, lowest-emphasis content

2.1.5 Border Colors

Token	Value	Usage
`border.DEFAULT`	`#E2E8F0`	Card borders, dividers, table lines, input borders
`border.medium`	`#CBD5E1`	Hovered input borders, emphasized separators

2.1.6 Semantic / State Colors

Each semantic color includes a background variant for alert/badge/notification containers.

Token	Foreground	Background	Usage
`success`	`#10B981`	`#D1FAE5`	Paid status, confirmed actions, positive feedback
`warning`	`#F59E0B`	`#FEF3C7`	Pending states, caution notices
`error`	`#EF4444`	`#FEE2E2`	Validation errors, destructive warnings, failed states
`info`	`#3B82F6`	`#DBEAFE`	Informational banners, tooltips

2.1.7 Color Usage Rules

Important

Never use raw hex values in component code. Always reference design tokens.
Brand color is reserved for interactive elements and key indicators â€” never for large background fills on content pages.
Semantic colors must only be used for their designated semantic purpose (e.g., never use error red for decorative styling).

2.2 Typography

2.2.1 Type Family

Property	Value
Primary	`Inter` (Google Fonts)
Fallback Stack	`-apple-system`, `BlinkMacSystemFont`, `Segoe UI`, `sans-serif`

Inter is loaded via CDN: https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap

2.2.2 Type Scale

Name	Size	Line Height	Weight	Usage
Display	48px	1.1	700 (Bold)	Wallet balance, hero metrics
Heading 1	20px	1.4	500 (Medium)	Page titles ("Welcome to Tradazone")
Heading 2	16px	1.5	600 (Semibold)	Card section titles, nav group headers
Body	14px	1.5	400 (Regular)	Default body text, descriptions, form labels
Body Strong	14px	1.5	600 (Semibold)	Nav items (active), table header cells
Small	13px	1.4	500 (Medium)	Transaction descriptions, list items
Caption	12px	1.4	400 (Regular)	Timestamps, stat labels, helper text
Micro	11px	1.3	400 (Regular)	Dates under transactions, secondary metadata
Overline	10px	1.4	500 (Medium)	Badges, smallest labels

2.2.3 Typography Rules

Never skip heading levels. H1 â†’ H2 â†’ Body is acceptable. H1 â†’ Caption is not.
Numbers are always tabular-nums for right-aligned columns (amounts, dates).
Currency labels (e.g., "STRK") use one weight lighter than the numeric value beside them.
Truncation: Use text-ellipsis + overflow-hidden for single-line truncation. Never truncate numeric values or dates.

2.3 Spacing System

2.3.1 Base Unit

All spacing derives from an 8px base unit.

Token	Value	Common Usage
`0.5`	4px	Tight inner gaps (icon-to-text in small badges)
`1`	8px	Minimum gap between related elements
`1.5`	12px	Input inner padding (vertical)
`2`	16px	Standard inner padding, gap between form fields
`3`	24px	Card inner padding, section title to content
`4`	32px	Main content padding (desktop), gap between cards
`5`	40px	Large section spacing
`6`	48px	Section-to-section vertical spacing
`8`	64px	Page-level vertical rhythm

2.3.2 Layout Dimensions

Token	Value	Usage
`sidebar`	250px	Fixed sidebar width (desktop)
`header`	72px	Fixed header height

2.3.3 Grid System

Property	Value
Columns	2-column grid for dashboard cards
Column Gap	24px (`gap-6`)
Row Gap	24px (`gap-6`)
Max Content Width	1100px
Breakpoint	`lg` (1024px) â€” switches from single to multi-column

2.3.4 Spacing Rules

Caution

Never use arbitrary pixel values. Use the 8px scale exclusively.
The only exceptions are the fixed layout dimensions (sidebar, header) which are design constants.
Margin between card sections must be consistent (mb-6 = 24px) throughout the product.

2.4 Elevation, Shadows & Borders

2.4.1 Border Radius

Caution

ZERO BORDER RADIUS — NON-NEGOTIABLE RULE

All border radius across the entire Tradazone product is 0px. No exceptions. This applies to every component: cards, buttons, inputs, dropdowns, modals, alerts, search bars, containers, progress bars, and any future component added to the system.

This is an intentional architectural decision. Tradazone's visual identity is defined by sharp, geometric edges. Rounded corners are explicitly prohibited.

Token	Value	Usage
`none`	0px	Explicit zero radius
`sm`	0px	Overridden — no small radius
`DEFAULT`	0px	Overridden — no default radius
`md`	0px	Overridden — no medium radius
`lg`	0px	Overridden — no large radius
`xl`	0px	Overridden — no extra-large radius
`2xl`	0px	Overridden — no 2xl radius
`3xl`	0px	Overridden no 3xl radius
`card`	0px	Card components
`full`	9999px	ONLY exception circular elements: avatars, status dots

Warning

rounded-full is the ONLY border-radius permitted anywhere in the product. It is reserved exclusively for elements that must be circles (avatars, status indicator dots, icon badges). Using rounded-lg, rounded-xl, rounded-md, or any other radius class on any component is a design system violation.

These overrides are enforced at the tailwind.config.js level, meaning any rounded-* class (except rounded-full) will automatically resolve to 0px — even in newly created components.

2.4.2 Borders

Pattern	Specification
Card border	`1px solid border.DEFAULT` (`#E2E8F0`)
Input border	`1px solid border.DEFAULT`, focus: `1px solid brand.DEFAULT`
Divider line	`1px solid border.DEFAULT`, full-width or with horizontal margin
Active nav indicator	`3px solid brand.DEFAULT`, left edge

2.4.3 Shadows

Shadows are used minimally. The primary elevation mechanism is border + background contrast.

Level	Value	Usage
Level 0	None	Default state for all cards and containers
Level 1	`0 1px 3px rgba(0,0,0,0.04)`	Hover state on interactive cards
Level 2	`0 4px 12px rgba(60,60,239,0.15)`	Quick action buttons (branded shadow)

2.5 Motion & Interactions

2.5.1 Principles

Motion serves function. Animations communicate state changes (open/close, enter/exit); they never decorate.
Fast by default. 150â€“300ms for most transitions. Users should never wait for an animation to complete before acting.
Easing matters. Use cubic-bezier(0.32, 0.72, 0, 1) for entry animations. Use ease-out for exits.

2.5.2 Interaction Tokens

Interaction	Duration	Easing	Usage
Color transition	150ms	`ease`	Button hover, link hover, nav item hover
Slide-up entry	300ms	`cubic-bezier(0.32, 0.72, 0, 1)`	Modals, bottom sheets, toasts
Scale press	100ms	`ease-out`	`active:scale-95` on buttons, quick actions
Hover lift	200ms	`ease`	`hover:-translate-y-0.5` on interactive cards

2.5.3 Motion Rules

Note

Never animate width, height, or top/left properties â€” use transform exclusively.
Disabled elements must not animate.
Respect prefers-reduced-motion â€” disable all non-essential animations.

3. Design Tokens Architecture

3.1 Token Naming Convention

Tokens follow a three-tier hierarchical naming convention:

{category}.{property}.{variant}

Examples:

Token	Category	Property	Variant
`brand.DEFAULT`	Color	Brand	Default
`brand.dark`	Color	Brand	Dark (hover)
`t-primary`	Color	Text	Primary
`border.medium`	Color	Border	Medium emphasis
`success.bg`	Color	Success	Background

3.2 Token Tiers

graph TD
    A[Global Tokens] --> B[Semantic Tokens]
    B --> C[Component Tokens]
    
    A1["#3C3CEF"] --> B1["brand.DEFAULT"]
    B1 --> C1["button.primary.bg"]
    B1 --> C2["nav.active.border"]
    B1 --> C3["link.default.color"]

Tier	Purpose	Example	Where Defined
Global	Raw values	`#3C3CEF`, `14px`, `8px`	`tailwind.config.js` â†’ `theme.extend.colors`
Semantic	Meaning-driven aliases	`brand.DEFAULT`, `t-primary`, `error`	`tailwind.config.js` â†’ `theme.extend.colors`
Component	Component-specific	`bg-brand` on a button, `text-t-muted` on a timestamp	Applied via Tailwind utility classes in JSX

3.3 Theming Structure

Current Theme: Tradazone Default (Light)

The system is architected to support future themes without refactoring:

Layer	Light Theme (Current)	Dark Theme (Future)
`page`	`#F5F6FA`	`#0F172A`
`white` (surfaces)	`#FFFFFF`	`#1E293B`
`t-primary`	`#1E293B`	`#F1F5F9`
`t-secondary`	`#5A6B80`	`#94A3B8`
`border.DEFAULT`	`#E2E8F0`	`#334155`
`brand.DEFAULT`	`#3C3CEF`	`#5A5AF5`

Tip

When dark mode is implemented, swap token values at the config level. Component code should NEVER reference theme-specific values directly â€” only token names.

3.4 Versioning Strategy

Version Type	When	Example
Patch (1.0.x)	Token value adjustments, bug fixes	Adjusting `t-muted` from `#94A3B8` to `#8B9BB5`
Minor (1.x.0)	New tokens, new components, non-breaking additions	Adding `brand.subtle` token
Major (x.0.0)	Breaking changes: token renames, component API changes	Renaming `t-primary` â†’ `text.primary`

3.5 Token Update Guidelines

Caution

Before modifying any token:

Search the codebase for all usages of the token (grep_search or equivalent).
Assess impact across all products consuming the design system.
Deprecate before removing â€” add the new token alongside the old one for one release cycle.
Never change semantic meaning â€” if error means "destructive/negative," it must always mean that.

4. Component Library

4.1 Component Documentation Standard

Every component in the library must include:

Section	Content
Purpose	One-line description of when and why to use this component
Anatomy	Visual breakdown of sub-elements
Variants	All supported visual/behavioral variants
States	Default, hover, active, focused, disabled, loading, error
Props/API	All configurable properties with types and defaults
Accessibility	ARIA roles, keyboard navigation, screen reader behavior
Responsive	How the component adapts across breakpoints
Do's & Don'ts	Explicit usage guidance with examples

4.2 Buttons

Purpose: Trigger actions. The primary interactive element for form submissions, navigation, and commands.

Variants

Variant	Background	Text	Border	Usage
Primary	`brand.DEFAULT`	White	None	Primary page action (1 per view)
Secondary	White	`t-secondary`	`border.DEFAULT`	Secondary actions, cancel
Danger	`error.bg`	`error`	None	Destructive actions (delete, remove)
Ghost	Transparent	`t-secondary`	None	Tertiary actions, toolbar items

States

State	Treatment
Default	As specified per variant
Hover	Primary: `brand.dark`. Secondary: `border.medium`. Ghost: `bg-gray-50`
Active	`scale(0.95)` transform, 100ms
Disabled	`opacity: 0.6`, `cursor: not-allowed`, no hover effect
Loading	Replace label with spinner, maintain button width

Sizes

Size	Height	Padding	Font
Small	32px	`px-3 py-1.5`	12px, medium
Default	40px	`px-4 py-2`	14px, semibold
Large	48px	`px-6 py-3`	14px, semibold

Accessibility

All buttons must have visible text or aria-label
Minimum touch target: 44Ã—44px on mobile
Focus ring: 2px solid brand.DEFAULT, offset 2px
Icon-only buttons must include aria-label

Do's & Don'ts

âœ… Do	â�Œ Don't
Use one Primary button per view	Use multiple Primary buttons in the same section
Start label with a verb ("Create Invoice")	Use vague labels ("Submit", "OK", "Click Here")
Use loading state for async actions	Disable the button without explanation

4.3 Inputs & Form Controls

Purpose: Collect user data. Inputs must be clearly labeled, immediately validatable, and accessible.

Anatomy

[Label]
[Icon (optional)] [Input Field] [Action (optional)]
[Helper Text / Error Message]

Variants

Variant	Usage
Text Input	Names, emails, general text
Password Input	With visibility toggle icon
Select Dropdown	Predefined option selection
Textarea	Multi-line text entry
Search Input	With search icon prefix

States

State	Border	Background	Text
Default	`border.DEFAULT`	White	`t-primary`
Focused	`brand.DEFAULT`	White	`t-primary`
Error	`error`	White	`t-primary`, error message in `error`
Disabled	`border.DEFAULT`	`page`	`t-muted`

Specifications

Property	Value
Height	40â€“44px
Padding	`px-3 py-2.5` (12px Ã— 10px)
Font Size	14px
Placeholder Color	`t-muted`
Border Radius	0px (design system rule)
Label	14px, medium weight, `t-primary`, `mb-1.5` spacing
Error Text	12px, `error`, `mt-1` spacing

Accessibility

Every input must have an associated <label> or aria-label
Error messages must be linked via aria-describedby
Tab order must follow visual order
Autofill styles should not break the design

4.4 Navigation Systems

4.4.1 Header

Property	Value
Height	72px (`header` token)
Background	`brand.DEFAULT` (`#3C3CEF`)
Position	`fixed`, top, full width, `z-100`
Left Content	Brand logo (28px height)
Right Content	Bell icon (22px) + Avatar (36px circle)
Right Padding	24px
Text/Icon Color	White (80% opacity for icons)

4.4.2 Sidebar

Property	Value
Width	250px (`sidebar` token)
Background	`#F8FAFC`
Position	`fixed`, below header, full height
Border	`1px solid border.DEFAULT` (right edge)

Nav Item Specification:

Property	Value
Padding	`px-6 py-4` (24px Ã— 16px)
Icon Size	20px, `strokeWidth: 1.8`
Label	14px, medium weight
Divider	`1px solid border.DEFAULT` between items (inset 20px from edges)
Active State	Left border: `3px solid brand.DEFAULT`, bg: `brand.bg`, text: `brand.DEFAULT`, weight: semibold
Hover State	bg: `brand.bg/50`, text: `brand.DEFAULT`

4.4.3 Bottom Navigation (Mobile)

Property	Value
Height	64px
Background	White
Border	`1px solid border.DEFAULT` (top)
Visibility	`lg:hidden` â€” mobile only
Items	5 icon+label items, evenly distributed
Active State	`brand.DEFAULT` color, `strokeWidth: 2.2`

4.5 Cards

Purpose: Group related content into a visual container. The fundamental surface unit of the dashboard.

Variants

Variant	Background	Border	Usage
Default	White	`1px solid border.DEFAULT`	Data cards, lists, forms
Branded	`brand.DEFAULT`	None	Wallet balance, hero metrics
Subtle	`page`	None	Secondary information containers

Common Specifications

Property	Value
Border Radius	0px
Padding	24px (`p-6`)
Min Height	Context-dependent (192px for dashboard top cards)
Margin Between	24px (`gap-6`)

Card Header Pattern

[Icon] [Title]                    [Action Button / Dropdown]
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[Card Content]

Header padding: px-6 py-4
Separated from content by 1px solid border.DEFAULT
Title: 14px, semibold
Action: 12px, medium, border button

4.6 Modals & Dialogs

Purpose: Interrupt the user flow to collect input or confirm an action.

Property	Value
Overlay	`bg-black/40`
Surface	White, 0px radius
Width	480px (small), 640px (medium), 800px (large)
Padding	24px
Entry Animation	`slideUp` 300ms
Close	X button top-right OR overlay click

Accessibility

Trap focus within modal when open
Escape key closes the modal
role="dialog" and aria-modal="true"
Return focus to trigger element on close

4.7 Tables

Purpose: Display structured tabular data with consistent column alignment.

Property	Value
Header Background	`page` or White
Header Text	12px, semibold, `t-muted`, uppercase optional
Row Height	48â€“56px
Row Border	`1px solid border.DEFAULT` (bottom)
Cell Padding	`px-5 py-3`
Hover State	`bg-page`
Numeric Columns	Right-aligned, `tabular-nums`

4.8 Alerts & Notifications

Purpose: Communicate status, feedback, or important information.

Variants

Variant	Background	Text	Icon	Usage
Success	`success.bg`	`success`	âœ“ Check	Confirmation messages
Warning	`warning.bg`	`warning`	âš Alert	Caution notices
Error	`error.bg`	`error`	âœ• X	Validation errors, failures
Info	`info.bg`	`info`	â„¹ Info	Informational notices

Specifications

Property	Value
Padding	`px-4 py-3`
Font Size	14px
Border Radius	0px
Icon Size	16px
Icon Gap	8px

4.9 Data Visualization Patterns

Progress Bars

Property	Value
Track Background	`page` (`#F5F6FA`)
Fill Color	`brand.DEFAULT`
Height	10px (`h-2.5`)
Border Radius	0px (follows system)

Metric Display

[Value]  [Unit]

Value: Display size (48px), bold, high contrast
Unit: One step lighter weight and lower opacity than value
Always left-aligned within their container

5. Patterns & Layout Systems

5.1 Page Structure Template

Every product page follows this skeleton:

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â”‚                    Header (72px)                  â”‚
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â”‚ Sidebar  â”‚   Page Title                          â”‚
â”‚ (250px)  â”‚                                       â”‚
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â”‚          â”‚   â”‚    Full Width Card  â”‚             â”‚
â”‚          â”‚   â””â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”˜             â”‚
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5.2 Dashboard Layout Rules

Rule	Specification
Top Row	2-column grid, equal width, hero metrics
Middle Row	2-column grid, equal width, list data
Bottom	Full-width card, centered content
Max Content Width	1100px
Content Padding	32px on desktop (`p-8`), 16px on mobile (`p-4`)
Card Gap	24px horizontal and vertical
Section Spacing	24px (`mb-6`) between card rows

5.3 Marketing vs. Product UI

Aspect	Marketing Pages	Product Pages
Layout	Full-width, hero-driven	Sidebar + constrained content
Typography	Larger display sizes	Functional type scale
Color Usage	More brand color, gradients allowed	Brand color reserved for actions
Spacing	Generous, vertical rhythm focused	Dense, information-focused
Components	CTAs, testimonials, feature grids	Forms, tables, data cards

5.4 Empty States

Every data-driven view must include an empty state.

Element	Specification
Icon	Related lucide icon, 32px, `t-muted/30` color, `strokeWidth: 1.5`
Title	14px, semibold, `t-secondary`
Description	12px, regular, `t-muted`
Spacing	`py-14` vertical padding centered in container
CTA (optional)	Secondary button below description

Example: "No transactions yet" / "Transactions will appear here once you get paid."

5.5 Loading States

Pattern	Usage
Skeleton	Card content, table rows â€” gray pulsing blocks matching content shape
Spinner	Button loading, inline actions
Progress Bar	File uploads, multi-step processes

5.6 Error States

Level	Treatment
Field-level	Red border on input + error message below (12px, `error` color)
Section-level	Error alert banner within the card
Page-level	Full-page error with illustration, message, and retry button
Network-level	Toast notification with retry action

6. Governance & Scalability

6.1 Contribution Guidelines

Who Can Contribute

Role	Can Do
Design Lead	Propose new tokens, components, patterns
Product Designer	Propose component variants, report inconsistencies
Engineer	Implement components, propose API changes
Any Team Member	Report bugs, request documentation updates

Contribution Process

graph LR
    A[Identify Need] --> B[Open Proposal]
    B --> C[Design Review]
    C --> D{Approved?}
    D -->|Yes| E[Implement]
    D -->|No| F[Revise]
    F --> C
    E --> G[Code Review]
    G --> H[Documentation]
    H --> I[Release]

6.2 Review & Approval Workflow

Stage	Owner	Criteria
Proposal	Contributor	Problem statement, proposed solution, affected products
Design Review	Design Lead	Visual consistency, token compliance, accessibility
Code Review	Engineering Lead	Implementation quality, API design, test coverage
Documentation	Contributor + Reviewer	Usage guidelines, do's/don'ts, props documented
Release	System Maintainer	Versioned, changelog updated, products notified

6.3 Version Control Process

Artifact	Versioning	Location
Design Tokens	Semantic versioning (in `tailwind.config.js`)	Repository root
Components	Versioned with the product release	`src/components/`
Documentation	Date-stamped, version-tagged	`DESIGN_SYSTEM.md`

6.4 Deprecation Strategy

Announce â€” Mark token/component as @deprecated in code and documentation
Provide Migration Path â€” Document the replacement and publish a migration guide
Grace Period â€” Minimum 1 release cycle before removal
Remove â€” Delete deprecated code, update documentation

6.5 Change Management

When a design system token or component changes:

Step	Action
1	Search all products for usage of the affected token/component
2	Assess impact: cosmetic-only vs. behavioral vs. breaking
3	If breaking: bump major version, provide migration guide
4	Update `DESIGN_SYSTEM.md` with changelog entry
5	Notify all product teams via designated channel

7. Cross-Product Consistency Strategy

7.1 Multi-Product Architecture

graph TD
    DS[Tradazone Design System] --> P1[Dashboard]
    DS --> P2[Product B - Future]
    DS --> P3[Product C - Future]
    
    DS --> GT[Global Tokens]
    DS --> SC[Shared Components]
    DS --> SP[Shared Patterns]
    
    P1 --> PT1[Product Theme Override]
    P2 --> PT2[Product Theme Override]
    P3 --> PT3[Product Theme Override]

7.2 Shared Component Architecture

All products consume the same foundational components:

Layer	Scope	Examples
Core	Never overridden per product	Buttons, Inputs, Alerts, Typography
Layout	Configurable per product	Header (logo/color), Sidebar (nav items)
Domain	Product-specific	Invoice components, checkout flows

Rules for Shared Components

Core components must not contain product-specific logic
Configuration (colors, labels, icons) is passed via props, not hardcoded
Layout components accept children â€” they define structure, not content
Domain components may import Core components but never the reverse

7.3 Theming Flexibility Per Product

Each product can override specific tokens while inheriting the rest:

// Base design system tokens (shared)
const baseTokens = {
  brand: { DEFAULT: '#3C3CEF', dark: '#2E2ED4' },
  page: '#F5F6FA',
  // ...all other tokens
};

// Product-specific override (example)
const tradazoneOverrides = {
  // Tradazone uses the base tokens as-is
};

const futureProductOverrides = {
  brand: { DEFAULT: '#00B894', dark: '#00A885' },
  // Inherits all other tokens from base
};

Important

Product overrides may ONLY change token values. They must NEVER change token names, component APIs, or spacing scale.

7.4 Legacy UI Migration Plan

For existing products that predate this design system:

Phase	Action	Timeline
Audit	Catalog all deviations from the design system	Week 1â€“2
Prioritize	Rank deviations by visibility and impact	Week 2
Tokenize	Replace hardcoded values with design tokens	Week 3â€“4
Component Swap	Replace custom components with system components	Week 4â€“6
Validate	Visual regression testing across all pages	Week 6â€“7
Sign-off	Design lead approves compliance	Week 7

Appendix

A. File Structure

tailwind.config.js          â†� Design tokens (source of truth)
src/
  index.css                 â†� Base styles, font import, resets
  components/
    layout/
      Header.jsx            â†� Global header
      Sidebar.jsx           â†� Global sidebar navigation
      Layout.jsx            â†� Page shell (header + sidebar + content)
      BottomNav.jsx          â†� Mobile bottom navigation
    ui/
      Logo.jsx              â†� Brand logo component
      EmptyState.jsx         â†� Reusable empty state pattern
      WelcomeModal.jsx       â†� Onboarding modal
    forms/                  â†� Form-specific components
    tables/                 â†� Table components
  pages/                    â†� Route-level page components
  context/                  â†� State management (Auth, Data)
DESIGN_SYSTEM.md            â†� This document

B. Changelog

Version	Date	Changes
1.0.1	2026-03-22	Fixed WCAG AA color contrast failures. Updated `t-muted` from `#94A3B8` to `#6B7FA0` (3.04:1 → 4.9:1) and `t-secondary` from `#64748B` to `#5A6B80` (4.54:1 → 6.2:1) on white backgrounds. Affects auth pages, form labels, hints, and disabled states.
1.0.0	2026-02-22	Initial design system documentation. Established all foundations, tokens, component specs, and governance model. Border radius set to 0px globally.

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Tradazone Design System

Table of Contents

1. Introduction

1.1 Purpose

1.2 Design Philosophy

1.3 Brand Identity

1.4 Products Covered

2. Foundations

2.1 Color System

2.1.1 Brand Colors

2.1.2 Accent Colors

2.1.3 Neutral / Surface Colors

2.1.4 Text Colors

2.1.5 Border Colors

2.1.6 Semantic / State Colors

2.1.7 Color Usage Rules

2.2 Typography

2.2.1 Type Family

2.2.2 Type Scale

2.2.3 Typography Rules

2.3 Spacing System

2.3.1 Base Unit

2.3.2 Layout Dimensions

2.3.3 Grid System

2.3.4 Spacing Rules

2.4 Elevation, Shadows & Borders

2.4.1 Border Radius

2.4.2 Borders

2.4.3 Shadows

2.5 Motion & Interactions

2.5.1 Principles

2.5.2 Interaction Tokens

2.5.3 Motion Rules

3. Design Tokens Architecture

3.1 Token Naming Convention

3.2 Token Tiers

3.3 Theming Structure

Current Theme: Tradazone Default (Light)

3.4 Versioning Strategy

3.5 Token Update Guidelines

4. Component Library

4.1 Component Documentation Standard

4.2 Buttons

Variants

States

Sizes

Accessibility

Do's & Don'ts

4.3 Inputs & Form Controls

Anatomy

Variants

States

Specifications

Accessibility

4.4 Navigation Systems

4.4.1 Header

4.4.2 Sidebar

4.4.3 Bottom Navigation (Mobile)

4.5 Cards

Variants

Common Specifications

Card Header Pattern

4.6 Modals & Dialogs

Accessibility

4.7 Tables

4.8 Alerts & Notifications

Variants

Specifications

4.9 Data Visualization Patterns

Progress Bars

Metric Display

5. Patterns & Layout Systems

5.1 Page Structure Template

5.2 Dashboard Layout Rules