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This repository contains the open-design daemon CLI source code, built and packaged at https://helix-mind.ai/cli/open-design/latest.tgz for use by the HelixMind /design slash command. Licenses: Apache-2.0 (root) + MIT (skills/*)
158 lines
6.6 KiB
Markdown
158 lines
6.6 KiB
Markdown
# Design System Inspired by Canva
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> Category: Design & Creative
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> Visual creation platform. Vivid purple-blue gradient, generous spacing, friendly geometry.
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## 1. Visual Theme & Atmosphere
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Canva is the friendly face of design tools — the brand makes a point of looking inviting where Adobe looks intimidating. The page is built on a clean white canvas (`#ffffff`) with a signature **purple-to-blue gradient** (`#7d2ae8` → `#00c4cc`) used in the brand mark, hero buttons, and Pro/Magic moments. Surfaces are generously padded, edges are gently rounded (8–16px), and shadows are soft and cool-toned.
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Typography uses **Canva Sans** (a custom geometric sans) for chrome and prose, with rounded letterforms that share DNA with brands like Airbnb and Asana. Weight contrast does the heavy lifting — 800 for hero display, 700 for section heads, 400 for body — while size hierarchy is more compressed than typical product brands so cards and templates read at a glance.
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The shape system is ultra-soft: 12px on most cards, 16–20px on larger panels, 9999px on chips. Buttons are rectangles with a subtle elevation shadow (`0 2px 8px rgba(0,0,0,0.06)`) that grows on hover. Iconography is filled and rounded, never line-only — Canva's icons speak the same shape language as its UI.
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**Key Characteristics:**
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- White canvas with a violet-to-cyan gradient (`#7d2ae8` → `#00c4cc`)
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- Canva Sans (rounded geometric) for everything; weight contrast over color
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- 12–20px radii everywhere; 9999px pills for chips and tags
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- Soft cool-toned shadows that grow on hover
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- Filled rounded iconography — never outlined
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- Vibrant secondary palette (coral, mint, tangerine) for category tags
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- Pro/Magic moments lit by a static gradient — no animation
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## 2. Color Palette & Roles
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### Brand Gradient
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- **Canva Purple** (`#7d2ae8`): Brand primary; gradient origin.
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- **Canva Cyan** (`#00c4cc`): Brand secondary; gradient terminus.
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- **Canva Pink** (`#ff5757`): Tertiary brand accent (Magic Studio).
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### Surface
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- **Canvas** (`#ffffff`): Primary background.
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- **Surface Subtle** (`#f4f5f7`): Section break, sidebar.
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- **Surface Inset** (`#e8eaed`): Disabled, inset block.
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- **Surface Cool** (`#eef0fc`): Hover tint on purple-themed cards.
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### Ink & Text
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- **Ink Primary** (`#0e1318`): Primary text.
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- **Ink Secondary** (`#3c4043`): Body prose.
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- **Ink Muted** (`#5f6368`): Captions, descriptions.
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- **Ink Faint** (`#9aa0a6`): Placeholder, disabled label.
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### Semantic
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- **Success** (`#00b894`): Saved, exported.
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- **Warning** (`#ffb020`): Storage limit, advisory.
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- **Error** (`#ff5757`): Validation, destructive.
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- **Info** (`#0d99ff`): Tip, link.
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### Category Accents (Template Tags)
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- **Coral** (`#ff7059`): Social posts.
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- **Tangerine** (`#ff9633`): Marketing.
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- **Mint** (`#48c997`): Education.
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- **Sky** (`#3ea6ff`): Business.
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- **Lavender** (`#9b87f5`): Personal.
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### Border
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- **Border Default** (`#e1e3e6`): Standard hairline.
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- **Border Strong** (`#c7cdd3`): Emphasized border, hover state.
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## 3. Typography Rules
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### Font Family
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- **Display / UI / Body**: `Canva Sans`, with fallback: `'YS Text', system-ui, -apple-system, sans-serif`
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- **Editorial (rare)**: `Canva Sans Display`, with fallback: `'Canva Sans', sans-serif`
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- **Code (devtools only)**: `JetBrains Mono`, with fallback: `ui-monospace, Menlo, Consolas, monospace`
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### Hierarchy
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| Role | Font | Size | Weight | Line Height | Letter Spacing | Notes |
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|------|------|------|--------|-------------|----------------|-------|
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| Hero | Canva Sans | 64px (4rem) | 800 | 1.05 | -0.02em | Marketing hero, "Design anything." |
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| H1 | Canva Sans | 36px (2.25rem) | 700 | 1.15 | -0.01em | Page heading |
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| H2 | Canva Sans | 24px (1.5rem) | 700 | 1.2 | -0.005em | Section heading |
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| H3 | Canva Sans | 18px (1.125rem) | 600 | 1.3 | normal | Sub-section, card title |
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| Body Large | Canva Sans | 16px (1rem) | 400 | 1.55 | normal | Lede, marketing body |
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| Body | Canva Sans | 14px (0.875rem) | 400 | 1.5 | normal | Standard UI prose |
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| Caption | Canva Sans | 12px (0.75rem) | 500 | 1.4 | 0.005em | Metadata, hint text |
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| Button | Canva Sans | 14px (0.875rem) | 600 | 1.2 | normal | Default button label |
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| Tag | Canva Sans | 11px (0.6875rem) | 600 | 1.2 | 0.04em | Uppercase category chip |
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### Principles
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- **Weight contrast over color contrast**: hierarchy steps via 800→700→600→400; the surface stays neutral.
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- **Tight line-height for cards**: card titles use 1.15–1.2 so a 3-line title still fits a 4:3 thumbnail.
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- **No display serif**: Canva is sans-only across all surfaces; serifs appear only as user-selectable template fonts inside the editor.
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## 4. Component Stylings
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### Buttons
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**Primary (Gradient)**
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- Background: `linear-gradient(135deg, #7d2ae8, #00c4cc)`
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- Text: `#ffffff`
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- Padding: 12px 20px
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- Radius: 8px
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- Shadow: `0 2px 8px rgba(125, 42, 232, 0.2)`
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- Hover: shadow grows to `0 4px 14px rgba(125, 42, 232, 0.3)`
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- Use: hero CTAs, "Try Canva Pro"
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**Primary (Solid Purple)**
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- Background: `#7d2ae8`
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- Text: `#ffffff`
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- Padding: 12px 20px
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- Radius: 8px
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- Hover: `#6815d4`
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**Secondary**
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- Background: `#ffffff`
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- Text: `#0e1318`
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- Border: 1px solid `#e1e3e6`
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- Radius: 8px
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- Hover: background `#f4f5f7`, border `#c7cdd3`
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**Subtle / Tertiary**
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- Background: `rgba(125, 42, 232, 0.08)`
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- Text: `#7d2ae8`
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- Hover: background `rgba(125, 42, 232, 0.14)`
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### Cards / Template Tiles
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- Background: `#ffffff`
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- Border: 1px solid `#e1e3e6`
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- Radius: 12px
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- Shadow at rest: `0 1px 3px rgba(0,0,0,0.04)`
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- Shadow on hover: `0 8px 24px rgba(0,0,0,0.08)`, lift 2px
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- Aspect ratio: thumbnail respects template (1:1, 4:3, 9:16)
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### Inputs
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- Background: `#ffffff`
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- Border: 1px solid `#e1e3e6`
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- Radius: 8px
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- Padding: 10px 14px
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- Focus: border `#7d2ae8`, ring `0 0 0 3px rgba(125, 42, 232, 0.16)`
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### Chips / Tags
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- Background: category-tinted soft.
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- Text: matching strong category color.
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- Padding: 4px 10px
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- Radius: 9999px
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- Font: 11px / 600 / uppercase
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### Pro Badge
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- Background: `linear-gradient(135deg, #7d2ae8, #ff5757)`
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- Text: `#ffffff`
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- Padding: 2px 8px
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- Radius: 9999px
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- Font: 10px / 700 / uppercase
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## 5. Spacing & Layout
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- **Base unit**: 4px. Scale: 4, 8, 12, 16, 24, 32, 48, 64, 96.
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- **Container**: max 1320px, 32px gutter.
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- **Sidebar (editor)**: 320px wide; collapses to 56px icons.
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- **Card grid gap**: 16px on mobile, 24px on desktop.
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## 6. Motion
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- **Duration**: 180ms for hover; 280ms for menu open; 420ms for editor sidebar collapse.
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- **Easing**: `cubic-bezier(0.4, 0, 0.2, 1)` (Material-style).
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- **Card lift**: translateY(-2px) + shadow grow on hover, single transition.
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