theme-creation

Name: theme-creation
Rating: 80
Author: etewiah

by etewiah

Create a fully featured real estate website on Rails in minutes! ⛺

⭐ 595🍴 272📅 Jan 23, 2026

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SKILL.md

name: theme-creation description: Create new themes for PropertyWebBuilder. Use when creating custom themes, styling websites, or modifying theme templates. Handles theme registration, view templates, CSS, and asset configuration.

Theme Creation for PropertyWebBuilder

Theme System Overview

PropertyWebBuilder uses a multi-tenant theme system where each website can have its own theme. The system supports:

Theme inheritance - Child themes extend parent themes
Color palettes - Multiple pre-defined color schemes per theme
Page Part Library - 20+ pre-built, customizable sections
CSS custom properties - Native CSS variables for easy customization
Per-tenant customization - Each website can override theme defaults
WCAG AA accessibility - Built-in contrast checking utilities
Dark mode support - Automatic or explicit dark mode colors

Current Themes (January 2025)

Theme	Parent	Status	Palettes	Description
`default`	None	Active	6	Base Tailwind/Flowbite theme
`brisbane`	default	Active	6	Luxury real estate (gold/navy)
`bologna`	default	Active	4	Traditional European style
`barcelona`	default	Disabled	4	Incomplete - needs work
`biarritz`	default	Disabled	4	Needs accessibility fixes

Key Components

Component	Location	Purpose
Theme Registry	`app/themes/config.json`	Theme definitions
Theme Model	`app/models/pwb/theme.rb`	ActiveJSON model with inheritance
Palette Loader	`app/services/pwb/palette_loader.rb`	Load palettes from JSON
Palette Validator	`app/services/pwb/palette_validator.rb`	Validate against schema
Color Utils	`app/services/pwb/color_utils.rb`	WCAG contrast, shade generation
Palette Compiler	`app/services/pwb/palette_compiler.rb`	Compile CSS for production
Website Styleable	`app/models/concerns/pwb/website_styleable.rb`	Per-website styles
CSS Templates	`app/views/pwb/custom_css/_*.css.erb`	Dynamic CSS generation

Theme Resolution Flow

Request comes in with subdomain (tenant identification)
ApplicationController#set_theme_path determines theme from:
- URL parameter ?theme=name (if whitelisted)
- Website's theme_name field
- Fallback to "default"
Theme view paths are prepended (child first, then parent)
Views render from theme directory, falling back through inheritance chain

Creating a New Theme

Step 1: Register the Theme in config.json

Add to app/themes/config.json:

{
  "name": "mytheme",
  "friendly_name": "My Custom Theme",
  "id": "mytheme",
  "version": "1.0.0",
  "enabled": true,
  "parent_theme": "default",
  "description": "A custom theme for my agency",
  "author": "Your Name",
  "tags": ["modern", "clean"],
  "supports": {
    "page_parts": [
      "heroes/hero_centered",
      "heroes/hero_split",
      "features/feature_grid_3col",
      "testimonials/testimonial_carousel",
      "cta/cta_banner"
    ],
    "layouts": ["default", "landing", "full_width"],
    "color_schemes": ["light", "dark"],
    "features": {
      "sticky_header": true,
      "back_to_top": true,
      "animations": true
    }
  },
  "style_variables": {
    "colors": {
      "primary_color": {
        "type": "color",
        "default": "#your-brand-color",
        "label": "Primary Color"
      },
      "secondary_color": {
        "type": "color",
        "default": "#your-secondary-color",
        "label": "Secondary Color"
      }
    },
    "typography": {
      "font_primary": {
        "type": "font_select",
        "default": "Open Sans",
        "label": "Primary Font",
        "options": ["Open Sans", "Roboto", "Montserrat"]
      }
    }
  }
}

Step 2: Create Directory Structure

mkdir -p app/themes/mytheme/views/layouts/pwb
mkdir -p app/themes/mytheme/views/pwb/welcome
mkdir -p app/themes/mytheme/views/pwb/components
mkdir -p app/themes/mytheme/views/pwb/sections
mkdir -p app/themes/mytheme/views/pwb/pages
mkdir -p app/themes/mytheme/views/pwb/props
mkdir -p app/themes/mytheme/views/pwb/search
mkdir -p app/themes/mytheme/views/pwb/shared
mkdir -p app/themes/mytheme/palettes  # For color palette JSON files
mkdir -p app/themes/mytheme/page_parts  # For custom page part templates

Step 3: Create Default Palette

Create app/themes/mytheme/palettes/default.json:

{
  "id": "default",
  "name": "Default",
  "description": "Default color scheme for mytheme",
  "is_default": true,
  "preview_colors": ["#3498db", "#2c3e50", "#e74c3c"],
  "colors": {
    "primary_color": "#3498db",
    "secondary_color": "#2c3e50",
    "accent_color": "#e74c3c",
    "background_color": "#ffffff",
    "text_color": "#333333",
    "header_background_color": "#ffffff",
    "header_text_color": "#333333",
    "footer_background_color": "#2c3e50",
    "footer_text_color": "#ffffff",
    "light_color": "#f8f9fa",
    "link_color": "#3498db",
    "action_color": "#3498db"
  }
}

Step 4: Copy and Customize Layout

Copy from parent theme:

cp app/themes/default/views/layouts/pwb/application.html.erb app/themes/mytheme/views/layouts/pwb/

Edit app/themes/mytheme/views/layouts/pwb/application.html.erb:

<!DOCTYPE html>
<html lang="<%= I18n.locale %>">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><%= yield(:page_title) || @current_website&.site_name %></title>
    <%= yield(:page_head) %>

    <%# Tailwind CSS for this theme %>
    <%= stylesheet_link_tag "tailwind-mytheme", "data-turbo-track": "reload" %>

    <%# Flowbite components %>
    <link href="https://cdnjs.cloudflare.com/ajax/libs/flowbite/2.3.0/flowbite.min.css" rel="stylesheet" />

    <%# Material Symbols for icons %>
    <link href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0&display=swap" rel="stylesheet" />

    <%# Dynamic CSS variables %>
    <style>
      <%= custom_styles("mytheme") %>
    </style>

    <%= javascript_include_tag "pwb/application", async: false %>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/flowbite/2.3.0/flowbite.min.js"></script>
    <%= csrf_meta_tags %>
  </head>
  <body class="tnt-body mytheme-theme <%= @current_website&.body_style %> bg-gray-50 text-gray-900">
    <div class="flex flex-col min-h-screen">
      <%= render partial: '/pwb/header', locals: { not_devise: true } %>
      <main class="flex-grow">
        <%= render 'devise/shared/messages' %>
        <%= yield %>
      </main>
      <%= render partial: '/pwb/footer', locals: {} %>
    </div>
    <%= yield(:page_script) %>
  </body>
</html>

Step 5: Create Theme CSS Partial

Create app/views/pwb/custom_css/_mytheme.css.erb:

/* Theme: mytheme */
<%
  # Get palette colors merged with website overrides
  styles = @current_website&.style_variables || {}

  primary_color = styles["primary_color"] || "#3498db"
  secondary_color = styles["secondary_color"] || "#2c3e50"
  accent_color = styles["accent_color"] || "#e74c3c"
  background_color = styles["background_color"] || "#ffffff"
  text_color = styles["text_color"] || "#333333"
  header_bg = styles["header_background_color"] || "#ffffff"
  header_text = styles["header_text_color"] || "#333333"
  footer_bg = styles["footer_background_color"] || "#2c3e50"
  footer_text = styles["footer_text_color"] || "#ffffff"
  font_primary = styles["font_primary"] || "Open Sans"
  border_radius = styles["border_radius"] || "0.5rem"
%>

<%= render partial: 'pwb/custom_css/base_variables',
           locals: {
             primary_color: primary_color,
             secondary_color: secondary_color,
             accent_color: accent_color,
             background_color: background_color,
             text_color: text_color,
             font_primary: font_primary,
             border_radius: border_radius
           } %>

:root {
  --header-bg: <%= header_bg %>;
  --header-text: <%= header_text %>;
  --footer-bg: <%= footer_bg %>;
  --footer-text: <%= footer_text %>;
}

/* Theme-specific overrides */
.mytheme-theme header {
  background-color: var(--header-bg);
  color: var(--header-text);
}

.mytheme-theme footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
}

/* Custom raw CSS from admin */
<%= @current_website&.raw_css %>

Step 6: Create Tailwind Input File

Create app/assets/stylesheets/tailwind-mytheme.css:

@import "tailwindcss";

/* Font imports */
@font-face {
  font-family: 'Open Sans';
  font-weight: 400;
  src: url('https://cdn.jsdelivr.net/npm/@fontsource/open-sans@5.2.5/files/open-sans-latin-400-normal.woff2');
}

/* Theme configuration */
@theme {
  --color-primary: var(--primary-color, #3498db);
  --color-secondary: var(--secondary-color, #2c3e50);
  --color-accent: var(--accent-color, #e74c3c);
  --font-family-sans: 'Open Sans', var(--font-primary, system-ui, sans-serif);
  --radius: var(--border-radius, 0.375rem);
}

/* PWB utility classes */
@layer utilities {
  .bg-pwb-primary { background-color: var(--pwb-primary); }
  .bg-pwb-secondary { background-color: var(--pwb-secondary); }
  .text-pwb-primary { color: var(--pwb-primary); }
  .text-pwb-secondary { color: var(--pwb-secondary); }
  .border-pwb-primary { border-color: var(--pwb-primary); }
}

Step 7: Add Build Scripts

Add to package.json:

{
  "scripts": {
    "tailwind:mytheme": "npx @tailwindcss/cli -i ./app/assets/stylesheets/tailwind-mytheme.css -o ./app/assets/builds/tailwind-mytheme.css --watch",
    "tailwind:mytheme:prod": "npx @tailwindcss/cli -i ./app/assets/stylesheets/tailwind-mytheme.css -o ./app/assets/builds/tailwind-mytheme.css --minify"
  }
}

Step 8: Test the Theme

# Via Rails console
theme = Pwb::Theme.find_by(name: 'mytheme')
theme.view_paths           # Verify path resolution
theme.palettes             # Check palettes loaded
theme.default_palette_id   # Verify default palette

# Update a website to use the theme
website = Pwb::Website.first
website.update(theme_name: 'mytheme')

# Build Tailwind CSS
npm run tailwind:mytheme:prod

# Via URL parameter (if enabled)
http://localhost:3000/?theme=mytheme

Creating Color Palettes

Palette File Structure

Palettes are stored in app/themes/[theme]/palettes/*.json:

{
  "id": "my_palette",
  "name": "My Palette",
  "description": "A beautiful color palette",
  "is_default": false,
  "preview_colors": ["#primary", "#secondary", "#accent"],
  "colors": {
    "primary_color": "#e91b23",
    "secondary_color": "#2c3e50",
    "accent_color": "#3498db",
    "background_color": "#ffffff",
    "text_color": "#333333",
    "header_background_color": "#ffffff",
    "header_text_color": "#333333",
    "footer_background_color": "#2c3e50",
    "footer_text_color": "#ffffff",
    "light_color": "#f8f9fa",
    "link_color": "#e91b23",
    "action_color": "#e91b23"
  }
}

Required Colors (9 mandatory)

Key	Purpose
`primary_color`	Main brand color for CTAs and links
`secondary_color`	Supporting color for secondary elements
`accent_color`	Highlight color for special elements
`background_color`	Main page background
`text_color`	Primary text color
`header_background_color`	Header/nav background
`header_text_color`	Header/nav text
`footer_background_color`	Footer background
`footer_text_color`	Footer text

Dark Mode Support

For explicit dark mode colors, use the modes structure:

{
  "id": "modern_dark",
  "name": "Modern with Dark Mode",
  "modes": {
    "light": {
      "primary_color": "#3498db",
      "background_color": "#ffffff",
      "text_color": "#333333"
    },
    "dark": {
      "primary_color": "#5dade2",
      "background_color": "#121212",
      "text_color": "#e8e8e8"
    }
  }
}

If you only provide colors, dark mode is auto-generated using ColorUtils.generate_dark_mode_colors().

Validation & Tools

# Validate all palettes
rake palettes:validate

# List available palettes for a theme
rake palettes:list[mytheme]

# Check WCAG contrast compliance
rake palettes:contrast[mytheme,my_palette]

# Generate shade scale for a color
rake palettes:shades[#3498db]

# In Rails console
loader = Pwb::PaletteLoader.new
palettes = loader.load_theme_palettes("mytheme")
light = loader.get_light_colors("mytheme", "my_palette")
dark = loader.get_dark_colors("mytheme", "my_palette")

# Validate a palette
validator = Pwb::PaletteValidator.new
result = validator.validate(palette_hash)
result.valid?   # => true/false
result.errors   # => ["Missing required color: primary_color"]

Search Page Layout Requirements

IMPORTANT: Search pages MUST follow responsive layout requirements.

Desktop Layout (>=1024px)

Filters MUST be displayed BESIDE results (side-by-side), NOT above them:

+--------------------------------------------------+
|  +------------+  +----------------------------+  |
|  | Filters    |  | Search Results             |  |
|  | (1/4)      |  | (3/4 width)                |  |
|  +------------+  +----------------------------+  |
+--------------------------------------------------+

Required HTML Structure

<div class="flex flex-wrap -mx-4">
  <!-- Sidebar Filters (1/4 on desktop, full on mobile) -->
  <div class="w-full lg:w-1/4 px-4 mb-6 lg:mb-0">
    <button class="lg:hidden w-full ..."
            data-controller="search-form"
            data-action="click->search-form#toggleFilters">
      Filter Properties
    </button>
    <div id="sidebar-filters" class="hidden lg:block">
      <%= render 'pwb/searches/search_form_for_sale' %>
    </div>
  </div>

  <!-- Search Results (3/4 on desktop, full on mobile) -->
  <div class="w-full lg:w-3/4 px-4">
    <div id="inmo-search-results">
      <%= render 'search_results' %>
    </div>
  </div>
</div>

PWB CSS Class Naming

Use semantic PWB classes for consistency:

/* Colors */
.bg-pwb-primary { background-color: var(--pwb-primary); }
.bg-pwb-secondary { background-color: var(--pwb-secondary); }
.text-pwb-primary { color: var(--pwb-primary); }

/* Buttons */
.pwb-btn--primary { background-color: var(--pwb-primary); }
.pwb-btn--secondary { background-color: var(--pwb-secondary); }
.pwb-btn--outline { border: 2px solid var(--pwb-primary); }

/* Cards */
.pwb-card { border-radius: var(--pwb-border-radius); }

/* Grid */
.pwb-grid--2col { grid-template-columns: repeat(2, 1fr); }
.pwb-grid--3col { grid-template-columns: repeat(3, 1fr); }
.pwb-grid--4col { grid-template-columns: repeat(4, 1fr); }

WCAG Accessibility Requirements

Contrast Ratios (WCAG 2.1 AA)

Text Type	Minimum Ratio
Normal text (<18px)	4.5:1
Large text (>=18px bold or >=24px)	3:1
UI components & graphics	3:1

Check Contrast in Ruby

# Check if colors meet WCAG AA
Pwb::ColorUtils.wcag_aa_compliant?('#ffffff', '#333333')
# => true (14.0:1 ratio)

# Get exact contrast ratio
Pwb::ColorUtils.contrast_ratio('#ffffff', '#9ca3af')
# => 2.9 (fails AA - needs 4.5:1)

# Get suggested text color for a background
Pwb::ColorUtils.suggest_text_color('#1a2744')
# => '#ffffff' (white for dark backgrounds)

Theme Inheritance

How It Works

Child themes inherit from parent themes:

theme = Pwb::Theme.find_by(name: 'brisbane')
theme.parent_theme        # => "default"
theme.parent              # => <Pwb::Theme name="default">
theme.inheritance_chain   # => [brisbane, default]
theme.view_paths          # => [brisbane/views, default/views, app/views]

View Resolution Order

Check child theme: app/themes/brisbane/views/
Check parent theme: app/themes/default/views/
Check application: app/views/

Troubleshooting

Theme Not Loading

Check entry exists in app/themes/config.json
Verify "enabled": true is set
Verify JSON syntax is valid
Restart Rails server after config changes
Check: Pwb::Theme.find_by(name: 'mytheme')

Styles Not Applying

Verify CSS partial exists: app/views/pwb/custom_css/_mytheme.css.erb
Verify Tailwind CSS is built: app/assets/builds/tailwind-mytheme.css
Check body class matches theme name (.mytheme-theme)
Clear Rails cache: Rails.cache.clear

Palette Not Found

Check file exists: app/themes/mytheme/palettes/default.json
Validate JSON syntax
Run: rake palettes:validate
Check: Pwb::PaletteLoader.new.load_theme_palettes('mytheme')

Documentation Reference

docs/theming/README.md - Documentation index
docs/theming/THEME_AND_COLOR_SYSTEM.md - Complete architecture
docs/theming/color-palettes/COLOR_PALETTES_ARCHITECTURE.md - Palette system
docs/theming/THEME_CREATION_CHECKLIST.md - Step-by-step checklist
app/themes/shared/color_schema.json - Palette JSON schema

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80/100

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