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# Design System: The Artisanal Digital Atelier

## 1. Overview & Creative North Star
**The Creative North Star: "The Digital Curator"**

This design system moves beyond a standard e-commerce interface to create a high-end, editorial experience for *Boulangerie Miel*. We are not just building an ordering system; we are crafting a digital extension of a physical craft bakery. The aesthetic is rooted in Japanese "Soft Minimalism"—where every pixel serves a purpose, and "Ma" (negative space) is treated as a foundational element.

To break the "template" look, we utilize **Intentional Asymmetry**. Hero images of bread are not always centered; they may overlap container boundaries or bleed off-edge to suggest a tactile, magazine-like quality. Typography is used at high-contrast scales (Display-LG vs. Body-SM) to create a clear, authoritative hierarchy that feels curated rather than automated.

---

## 2. Colors
Our palette is inspired by the organic transition from raw flour to a perfectly baked crust.

### Palette Roles
* **Primary (#904905):** The "Terracotta" heart of the brand. Used for CTAs and moments of conversion.
* **Secondary (#705a47):** A muted, toasted brown for secondary actions and subtle branding elements.
* **Surface/Background (#fff8f0):** An inviting, warm off-white that prevents screen fatigue and evokes a premium paper feel.
* **On-Surface (#1e1b16):** Our "Dark Brown" for maximum legibility without the harshness of pure black.

### The "No-Line" Rule
**Explicit Instruction:** Do not use 1px solid borders to section content. Boundaries must be defined through background color shifts. For example, a `surface-container-low` (#faf3ea) card sits on a `surface` (#fff8f0) background. If a visual break is needed, use vertical white space (`spacing-8`) or a subtle tonal shift.

### Surface Hierarchy & Nesting
Treat the UI as a series of stacked fine papers. Use the `surface-container` tiers to create depth:
* **App Background:** `surface` (#fff8f0)
* **Navigation/Sidebar:** `surface-container-low` (#faf3ea)
* **Product Cards:** `surface-container-lowest` (#ffffff)
* **Floating Modals:** `surface-bright` with Glassmorphism.

### The "Glass & Gradient" Rule
To add "soul" to our flat aesthetic, apply a subtle linear gradient to Primary CTAs (transitioning from `primary` to `primary-container`). For floating navigation elements, use **Glassmorphism**: a semi-transparent `surface` color with a `backdrop-filter: blur(12px)`. This allows the warm photography to bleed through the edges, softening the layout.

---

## 3. Typography
The typography system balances the precision of Japanese Gothic styles with the warmth of an artisanal brand.

* **Display (Plus Jakarta Sans):** Used for large, editorial headlines. Bold and spacious.
* **Headline/Title (Plus Jakarta Sans):** Navigational anchors. High-weight, high-impact.
* **Body/Label (Manrope):** Chosen for its clean, geometric legibility at small sizes, ensuring the Japanese character sets (when applicable) feel balanced and modern.

**Hierarchy as Identity:** Use `display-lg` for product names in hero sections to create a sense of luxury. Use `label-sm` in all-caps for technical details (e.g., "WEIGHT: 400G") to provide a "spec-sheet" craft aesthetic.

---

## 4. Elevation & Depth
We reject traditional drop shadows in favor of **Tonal Layering**.

* **The Layering Principle:** Depth is achieved by "stacking" container tiers. Place a `surface-container-lowest` card on a `surface-container-low` background. This creates a soft, natural "lift" without the "dirty" look of grey shadows.
* **Ambient Shadows:** If a floating element (like a Cart Drawer) requires a shadow, it must be an **Ambient Shadow**: `0px 12px 32px rgba(59, 42, 26, 0.06)`. The tint is derived from our Dark Brown, not black, ensuring it feels like a natural shadow cast by warm bakery lighting.
* **The "Ghost Border":** If a border is required for accessibility, use the `outline-variant` (#dac2b4) at **15% opacity**. Never use 100% opaque borders.

---

## 5. Components

### Buttons
* **Primary:** Fill: `primary`, Text: `on-primary`. Roundedness: `xl` (1.5rem). Use a subtle gradient for depth.
* **Secondary:** Fill: `secondary-container`, Text: `on-secondary-container`. Flat, no shadow.
* **Tertiary:** No fill, `on-surface` text. Use for low-priority actions like "Cancel" or "View Details."

### Category Tags (Chips)
* **Unselected:** `tertiary-fixed` background, `on-tertiary-fixed` text.
* **Selected:** `on-background` (Dark Brown) background, `surface` text.
* **Shape:** `md` (0.75rem) for a modern, slightly squared-off craft look.

### Cards (Product Display)
* **Rule:** No dividers. Separate the image, title, and price using `spacing-3` and `spacing-1.5`.
* **Background:** `surface-container-lowest` (#FFFFFF).
* **Rounding:** `xl` (1.5rem).
* **Interaction:** On hover, apply a `surface-dim` tint or a very slight scale (1.02x) rather than a shadow.

### Input Fields
* **Style:** Minimalist. `surface-container-highest` background. No border.
* **Focus State:** A 2px "Ghost Border" using the `primary` color at 40% opacity.

### Navigation Sidebar
* **Background:** `surface-container-low` (#faf3ea).
* **Active State:** Use a vertical "accent bar" of 4px in `primary` on the left side of the active link, with no background change to the menu item itself.

---

## 6. Do's and Don'ts

### Do:
* **Do** use asymmetrical layouts where images overlap the "grid."
* **Do** prioritize white space over divider lines. If the content feels cluttered, increase the spacing scale instead of adding a line.
* **Do** use warm, "golden hour" photography. The UI is the frame; the bread is the art.
* **Do** use the `xl` (1.5rem) corner radius for large components to maintain the "soft" brand personality.

### Don't:
* **Don't** use pure black (#000000) for anything. Always use `on-surface` (#1e1b16).
* **Don't** use standard Material Design shadows. They are too "software-like" for a bakery.
* **Don't** use high-contrast borders. If you can see the border before the content, it's too dark.
* **Don't** center-align long blocks of text. Keep it editorial: left-aligned or carefully justified.

  Craft Bakery "Boulangerie Miel" store information page.
  A web page with an editorial layout like a magazine feature article
  that conveys the baker's philosophy and warmth of the store.

  **DESIGN SYSTEM (REQUIRED):**
  - Platform: Web, Desktop-first (mobile responsive)
  - Theme: Light, Japanese "Soft Minimalism", editorial craft aesthetic
  - Background: Warm Off-White (#fff8f0) — warm like quality paper
  - Surface Card: Pure White (#ffffff) for content cards
  - Surface Accent: Warm Cream (#faf3ea) for alternating sections
  - Primary Accent: Terracotta (#904905) for CTAs and accent elements
  - Secondary: Toasted Brown (#705a47) for secondary text and icons
  - Text Primary: Dark Brown (#1e1b16) — avoid pure black
  - Text Secondary: Muted warm gray for descriptions and captions
  - Outline: Ghost Border (#dac2b4) at 15% opacity — avoid clear border lines
  - Buttons: xl rounded (1.5rem), primary buttons with subtle gradient
  - Cards: xl rounded (1.5rem), no borders, tonal layering for depth
  - Typography: Plus Jakarta Sans for headings (display/headline), Manrope for body text
  - Shadows: Ambient only — rgba(59, 42, 26, 0.06), no standard drop shadows
  - Spacing: generous whitespace ("Ma") as a foundation, sections divided by background color tone changes rather than lines

  **Page Structure:**
  1. **Header:** Logo (left-aligned), navigation menu (Menu / Order / Store Information),
     cart icon on the right. Semi-transparent bar with glassmorphism effect.
     "Store Information" in active state (4px Terracotta accent bar on left).
  2. **Hero Section:** Full-width large photo of the store exterior.
     Warm photo in golden hour morning lighting, showing wooden door and bread visible through glass.
     Display-lg heading "Boulangerie Miel" and label-sm uppercase subtext 
     "Facing wheat every morning." as overlay on the photo.
     Photo in asymmetric placement slightly extending beyond left and right boundaries (Intentional Asymmetry).
  3. **Story Section (About Us):** 2-column asymmetric layout.
     Left side (wider, about 60%) with photo of baker kneading dough. Image slightly 
     extending beyond card boundaries. Owner chef's greeting text on right side.
     Heading "Our Passion for Bread" (headline weight), body text in 2-3 paragraphs with editorial style.
     Story like "Started from a small workshop in 2015."
     Background is surface (#fff8f0).
  4. **Special Features Section:** Surface-container-low (#faf3ea) background to distinguish the area.
     3 icon cards arranged horizontally.
     - "Selected Ingredients": wheat icon, commitment to domestic wheat and natural yeast
     - "Made Fresh Every Morning": clock icon, preparation starting at 4am
     - "No Additives": leaf icon, no preservatives or artificial colors
     Each card with surface-container-lowest (#ffffff) background, xl rounded corners,
     1.02x scale on hover. Icons in Terracotta (#904905) color.
  5. **Business Information Section:** 2-column layout.
     Left column: Business hours table (no lines, alternating background tones to distinguish rows).
     "Business Hours" heading (headline weight).
     - Monday-Friday: 7:00 - 19:00
     - Saturday/Sunday/Holidays: 8:00 - 18:00
     - Regular holiday: Every Wednesday (label-sm, emphasized in Terracotta color)
     Right column: Store information list (icon + text, vertical arrangement, separated by spacing-3).
     - Address: 📍 1-2-3 〇〇, Setagaya-ku, Tokyo
     - Phone: 📞 03-XXXX-XXXX
     - Seating: 12 eat-in seats
     - Parking: Space for 2 cars
  6. **Access Map Section:** Full-width embedded map placeholder
     (xl rounded corners, surface-container-lowest background).
     Directions from nearest station under the map:
     "5-minute walk from 〇〇 Station South Exit. Look for the brick exterior past the shopping street."
     Label-sm size, left-aligned.
  7. **Gallery Section:** Surface-container-low (#faf3ea) background.
     Headline heading "Store Interior".
     Masonry grid (3 columns, uneven heights) with 6-8 store photos.
     Wooden counter, bread on shelves, espresso machine, window seats, etc.
     All in warm golden hour tones. Each photo with xl rounded corners, subtle overlay
     and caption display on hover.
  8. **Contact CTA Section:** Surface (#fff8f0) background with center alignment.
     Headline heading "Feel free to contact us".
     Body subtext "For reservations, holds, custom cake consultations, etc."
     "Contact Us" Primary gradient button and
     "View Instagram" Secondary button side by side.
  9. **Footer:** Surface-container-low background.
     3 columns: logo and one-line catchphrase on left, links to each page in center,
     social media icons (Instagram / LINE) on right.
     Label-sm copyright notice "© Boulangerie Miel" at bottom.

  **Atmosphere & Details:**
  - Overall tone like a "documentary magazine following a baker's day"
  - Photos unified in warm colors and golden hour lighting, avoiding cold fluorescent feeling
  - Text basically left-aligned, prioritizing editorial readability
  - Visual separation between sections using background color tone shifts
    (alternating #fff8f0 → #faf3ea) rather than lines or borders
  - Strong heading hierarchy utilizing contrast between display-lg and label-sm
  - Generous margins (Ma) when scrolling, avoiding information overload

# Photo Library - Design System

## Overview

Photo Library is a desktop application UI for browsing and managing photos. It adopts a 3-column layout consisting of sidebar navigation, thumbnail grid, and detail panel. A clean and minimal design combined with moderate accent colors creates a highly visible interface.

---

## Layout

### Structure

- **3-Column Layout**: Sidebar (fixed width) + Content Grid (variable width) + Detail Panel (fixed width)
- Thin border line between sidebar and content area
- Detail panel positioned to the right of content area

### Spacing

| Token        | Value   | Usage                          |
|--------------|---------|--------------------------------|
| `space-xs`   | 4px     | Between icons and labels       |
| `space-sm`   | 8px     | Gap between grid items         |
| `space-md`   | 12px    | Padding within sections        |
| `space-lg`   | 16px    | Padding within sidebar         |
| `space-xl`   | 24px    | Margin between sections        |

---

## Color Palette

### Base Colors

| Token               | Value       | Usage                              |
|----------------------|-------------|-------------------------------------|
| `--bg-primary`       | `#FFFFFF`   | Main content background            |
| `--bg-secondary`     | `#F5F6F8`   | Sidebar & detail panel background  |
| `--bg-tertiary`      | `#EBEDF0`   | Thumbnail background & hover state |
| `--border-light`     | `#E2E4E8`   | Section divider lines              |

### Text Colors

| Token               | Value       | Usage                              |
|----------------------|-------------|-------------------------------------|
| `--text-primary`     | `#1A1D23`   | Headings & file names              |
| `--text-secondary`   | `#6B7280`   | Metadata labels (e.g., File Name)  |
| `--text-tertiary`    | `#9CA3AF`   | Placeholders & auxiliary text      |

### Accent Colors

| Token               | Value       | Usage                              |
|----------------------|-------------|-------------------------------------|
| `--accent-primary`   | `#2B7A78`   | Active tab underline & selected state |
| `--accent-select`    | `#3B9FD9`   | Selected photo border              |
| `--accent-highlight` | `#E8A830`   | Active album left border           |

### Thumbnail Palette (Content Colors)

Thumbnails exhibit the following color variations:

| Category     | Colors                                           |
|--------------|--------------------------------------------------|
| Dark         | `#2C3E50`, `#1B2838` - Dark background thumbnails |
| Teal/Green   | `#2B7A78`, `#4A9E8E` - Nature/plant themes       |
| Light        | `#D4E5D7`, `#E8EDF0` - Bright background thumbnails |
| Warm         | `#E8A830`, `#D4854A` - Accent colors             |

---

## Typography

| Token             | Size   | Weight     | Usage                           |
|-------------------|--------|------------|----------------------------------|
| `--font-title`    | 18px   | Bold (700) | App title "Photo Library"        |
| `--font-nav`      | 14px   | Regular (400) | Sidebar album names          |
| `--font-tab`      | 13px   | Medium (500) | Tab labels (Details, etc.)    |
| `--font-label`    | 12px   | Regular (400) | Metadata labels              |
| `--font-value`    | 13px   | Medium (500) | Metadata values               |
| `--font-small`    | 11px   | Regular (400) | Auxiliary information        |

- **Font Family**: System font stack (`-apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif`)
- **Line Height**: 1.4 - 1.6 (adjusted according to text density)

---

## Components

### 1. Search Bar

- Border radius: `border-radius: 6px`
- Background: `--bg-primary` (#FFFFFF)
- Border: `1px solid --border-light`
- Search icon (magnifying glass) on the left
- Placeholder text: `--text-tertiary`
- Height: ~32px

### 2. Album List (Navigation)

- **Default state**: `--text-secondary`, no background
- **Active state**: `--text-primary`, 3px `--accent-highlight` (gold) border on the left
- **Hover state**: `--bg-tertiary` background
- Padding: `8px 16px`
- Item spacing: 0px (continuous placement)

### 3. View Mode Toggle

- 3 view modes: Grid (small), List, Grid (large)
- Positioned at the top center
- Active state: Icon color changes to `--text-primary`
- Inactive state: `--text-tertiary`

### 4. Thumbnail Grid

- Grid layout: 5 columns (can be adjusted responsively)
- Aspect ratio: 1:1 (square)
- Border radius: `border-radius: 8px`
- Gap: `8px`
- **Default state**: No border, `--bg-tertiary` background
- **Selected state**: `2px solid --accent-select` (blue) border
- **Hover state**: Light shadow or overlay

### 5. Detail Panel

#### Image Preview

- Border radius: `border-radius: 8px`
- Maximum width: Adjusted to fit panel width
- Aspect ratio: Maintains original image ratio

#### Tab Navigation

- Active tab: `--accent-primary` underline (2px), `--text-primary` text
- Inactive tab: `--text-secondary`, no underline
- Tab spacing: `16px`

#### Metadata Section

- Label: `--font-label`, `--text-secondary`
- Value: `--font-value`, `--text-primary`
- Spacing between label and value: `4px`
- Spacing between metadata items: `12px`

#### Color Swatches (Dominant Colors)

- Shape: Circular (`border-radius: 50%`)
- Size: 16px x 16px
- Spacing: `6px`
- Sample colors: Orange (#D4854A), Dark Green (#2C5F4A), Teal (#3B8E8C), Light Blue (#A8D4D0)

---

## Borders & Shadows

| Token               | Value                          | Usage                    |
|----------------------|--------------------------------|--------------------------|
| `--radius-sm`        | `4px`                         | Small UI elements        |
| `--radius-md`        | `6px`                         | Search bars & buttons    |
| `--radius-lg`        | `8px`                         | Thumbnails & preview images |
| `--border-default`   | `1px solid #E2E4E8`           | Divider lines           |
| `--border-selected`  | `2px solid #3B9FD9`           | Selected items          |
| `--shadow-card`      | `0 1px 3px rgba(0,0,0,0.08)`  | Card elements (subtle)  |

---

## Interaction States

| State      | Visual Treatment                                        |
|------------|----------------------------------------------------------|
| Default    | Standard background & text color                        |
| Hover      | Background changes to `--bg-tertiary` or adds shadow    |
| Active     | Accent color border or underline                        |
| Selected   | `--accent-select` border (thumbnails)                   |
| Focus      | `2px solid --accent-primary` outline                    |
| Disabled   | `opacity: 0.5`, cursor `not-allowed`                    |

---

## Iconography

- Style: Outline-based, 1.5px line width
- Size: 16px (navigation), 20px (action)
- Color: `--text-secondary` (default), `--text-primary` (active)
- Icons used:
  - Search (magnifying glass)
  - Grid view (4x4 dots)
  - List view (horizontal lines)
  - Expanded grid view (2x2 dots)

---

## Design Principles

1. **Clean & Minimal**: Minimize decoration to make content (photos) the focus
2. **Visual Hierarchy**: Organize information in 3 levels: sidebar → grid → detail panel
3. **Contrast Balance**: Dark text on light backgrounds, accent colors used sparingly
4. **Consistent Rounded Corners**: Maintain consistency using 8px as a baseline
5. **Subtle Feedback**: Selection & hover states are subtle but clearly visualized