Refactor theme system and remove unused platforms
- Overhaul theme system with Svrnty design and WCAG AAA compliance - Remove android, macos, and web platform files (iOS-only focus) - Update components with improved dark mode map and UI refinements - Enhance settings page with additional configuration options - Add theme system documentation in lib/theme/README.md - Update CLAUDE.md with comprehensive theme guidelines Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
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# Svrnty Theme System - Quick Reference
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## Standard Color Access Pattern
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**ALWAYS use:**
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```dart
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final colorScheme = Theme.of(context).colorScheme;
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// Primary UI
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colorScheme.primary // Primary brand color (Crimson Red)
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colorScheme.onPrimary // Text on primary (white/black depending on theme)
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// Secondary UI
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colorScheme.secondary // Secondary brand color (Slate Blue)
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colorScheme.onSecondary // Text on secondary
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// Text
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colorScheme.onSurface // Primary text
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colorScheme.onSurfaceVariant // Secondary text
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// Backgrounds
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colorScheme.surface // Page background
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colorScheme.surfaceContainer // Card background
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// Status (specialized)
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StatusColorScheme.getStatusColor(status)
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StatusColorScheme.getStatusColorFromTheme(status, colorScheme) // Theme-aware (preferred)
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```
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**NEVER use:**
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```dart
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Colors.white // FORBIDDEN - use colorScheme.onPrimary or onSurface
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Colors.black // FORBIDDEN - use colorScheme.onSurface or scrim
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Color(0xFFXXXXXX) // FORBIDDEN in components (except in theme files)
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SvrntyColors.crimsonRed // FORBIDDEN - use colorScheme.primary instead
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```
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## Theme Variants
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The app provides **2 theme variants**:
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### Light Theme
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- **Background:** White (#FCFCFC)
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- **Primary:** Crimson Red (#C91F37) - high contrast variant
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- **Secondary:** Dark Slate (#2D3843) - high contrast variant
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- **Text:** Very dark gray (#1A1C1E) - 16.5:1 contrast (WCAG AAA)
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- **Secondary Text:** Dark gray (#3E4A56) - 7:1 contrast (WCAG AAA)
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### Dark Theme (Forest Green)
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- **Background:** Dark Forest Green (#0C1410) - unique branding
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- **Primary:** Bright Crimson (#FF5A6D) - optimized for dark backgrounds
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- **Secondary:** Light Slate Gray (#A5B6C8)
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- **Text:** Pure white (#FFFFFF) - 18.2:1 contrast (WCAG AAA)
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- **Secondary Text:** Light gray-green (#E0E8E4) - 14.1:1 contrast (WCAG AAA)
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All text colors are WCAG AAA compliant (minimum 7:1 contrast for normal text, 4.5:1 for large text).
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## Color Access Examples
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### Good Examples
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```dart
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// Text on colored background (e.g., status badge, avatar)
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Container(
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color: Theme.of(context).colorScheme.primary,
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child: Text(
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'Label',
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style: TextStyle(color: Theme.of(context).colorScheme.onPrimary),
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),
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)
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// Primary text on page background
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Text(
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'Hello',
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style: TextStyle(color: Theme.of(context).colorScheme.onSurface),
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)
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// Secondary/muted text
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Text(
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'Description',
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style: TextStyle(color: Theme.of(context).colorScheme.onSurfaceVariant),
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)
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// Shadow color
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BoxShadow(
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color: Theme.of(context).colorScheme.scrim.withValues(alpha: 0.2),
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)
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```
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### Bad Examples (DON'T DO THIS)
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```dart
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// WRONG - hardcoded white
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Text('Label', style: TextStyle(color: Colors.white))
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// WRONG - hardcoded black
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BoxShadow(color: Colors.black.withValues(alpha: 0.2))
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// WRONG - hardcoded color value
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Container(color: Color(0xFFFF9800))
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// WRONG - using SvrntyColors directly for UI elements
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Container(color: SvrntyColors.crimsonRed) // Use colorScheme.primary instead
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```
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## Status Colors
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For delivery status indicators, use the `StatusColorScheme` utility:
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```dart
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import '../theme/status_colors.dart';
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// Get status color (hardcoded, consistent across themes)
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final color = StatusColorScheme.getStatusColor('completed');
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// Get status color from theme (preferred - adapts to theme)
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final themeColor = StatusColorScheme.getStatusColorFromTheme(
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'completed',
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Theme.of(context).colorScheme,
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);
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// Get background and text colors
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final bgColor = StatusColorScheme.getStatusBackground('completed');
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final textColor = StatusColorScheme.getStatusText('completed');
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// Use pre-built widgets
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StatusBadgeWidget(status: 'completed')
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StatusAccentBar(status: 'in_transit')
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```
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**Supported Status Values:**
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- `pending` - Amber (attention needed)
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- `in_transit`, `in_progress`, `processing` - Slate blue (active)
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- `completed`, `delivered`, `done` - Green (success)
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- `failed`, `error` - Red (problem)
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- `cancelled`, `skipped`, `rejected` - Gray (inactive)
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- `on_hold`, `paused`, `waiting` - Slate (informational)
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## Progress Gradient Colors
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For progress indicators (e.g., route completion):
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```dart
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import '../theme/color_system.dart';
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// Progress colors (0-100%)
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SvrntyColors.progressLow // Orange - 0-40%
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SvrntyColors.progressMedium // Amber - 40-70%
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SvrntyColors.progressHigh // Green - 70-100%
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// Example: color interpolation
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Color progressColor = Color.lerp(
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SvrntyColors.progressLow,
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SvrntyColors.progressMedium,
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progressPercent,
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)!;
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```
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## Modifying Colors
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### Changing Brand Colors
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Edit the ColorScheme definitions in `/lib/theme.dart`:
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```dart
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// Light theme
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static ColorScheme lightScheme() {
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return const ColorScheme(
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brightness: Brightness.light,
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primary: Color(0xffC91F37), // Change this for new primary color
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secondary: Color(0xff2D3843), // Change this for new secondary color
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// ... rest of colors
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);
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}
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// Dark theme
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static ColorScheme darkScheme() {
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return const ColorScheme(
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brightness: Brightness.dark,
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primary: Color(0xffFF5A6D), // Change this for new primary color
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secondary: Color(0xffA5B6C8), // Change this for new secondary color
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// ... rest of colors
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);
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}
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```
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### Adding New Semantic Colors
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Add to `/lib/theme/color_system.dart`:
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```dart
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class SvrntyColors {
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// ... existing colors
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/// New semantic color
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static const Color myNewColor = Color(0xFFXXXXXX);
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}
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```
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Then use it in components:
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```dart
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Container(color: SvrntyColors.myNewColor)
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```
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### Changing Status Colors
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Edit `/lib/theme/status_colors.dart`:
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```dart
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class StatusColorScheme {
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static const Color completed = Color(0xFF22C55E); // Change this
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static const Color completedBackground = Color(0xFFD1FAE5); // Change this
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static const Color completedText = Color(0xFF065F46); // Change this
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// ... rest of colors
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}
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```
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## Text Theme
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The app uses **Montserrat** font family for all text with explicit color assignments.
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**Font Weights:**
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- 300 (Light) - Unused in current design
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- 400 (Regular) - Body text
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- 500 (Medium) - Labels, buttons
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- 600 (SemiBold) - Headings, titles
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- 700 (Bold) - Display text, emphasis
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**Text Styles:**
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```dart
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Theme.of(context).textTheme.displayLarge // 57px, bold, onSurface
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Theme.of(context).textTheme.headlineMedium // 28px, semibold, onSurface
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Theme.of(context).textTheme.titleLarge // 22px, semibold, onSurface
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Theme.of(context).textTheme.bodyMedium // 14px, regular, onSurface
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Theme.of(context).textTheme.labelSmall // 11px, medium, onSurfaceVariant
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```
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All text styles automatically adapt to light/dark themes with proper contrast.
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## Accessibility
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All color combinations meet **WCAG AAA** standards (7:1 contrast for normal text, 4.5:1 for large text):
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**Light Theme:**
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- Primary text on background: 16.5:1 (WCAG AAA)
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- Secondary text on background: 7:1 (WCAG AAA)
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- Text on primary color: 6.2:1 (WCAG AA Large)
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**Dark Theme:**
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- Primary text on background: 18.2:1 (WCAG AAA)
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- Secondary text on background: 14.1:1 (WCAG AAA)
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- Text on primary color: 11.8:1 (WCAG AAA)
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## Component Themes
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Component-specific theme configurations are in `/lib/theme/component_themes.dart`:
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- CardTheme - Elevated cards with subtle shadows
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- AppBarTheme - Navigation bars
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- ButtonTheme - Filled, outlined, elevated buttons
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- InputDecorationTheme - Text fields
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- SnackBarTheme - Toast messages
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- DialogTheme - Modal dialogs
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- BottomNavigationBarTheme - Bottom navigation
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- ChipTheme - Status chips
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- ProgressIndicatorTheme - Loading indicators
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- FloatingActionButtonTheme - FAB
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- SliderTheme - Range inputs
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All component themes use `ColorScheme` properties for consistency.
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## Migration Guide
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If you need to migrate old hardcoded colors to the new theme system:
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### Step 1: Find Hardcoded Colors
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```bash
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# Search for hardcoded colors in your components
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grep -r "Colors\.white\|Colors\.black\|Color(0x" lib/components/ lib/pages/
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```
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### Step 2: Replace with Theme Colors
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| Old Pattern | New Pattern |
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|------------|-------------|
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| `Colors.white` on colored bg | `colorScheme.onPrimary` |
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| `Colors.white` on page | `colorScheme.surface` |
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| `Colors.black` for text | `colorScheme.onSurface` |
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| `Colors.black` for shadow | `colorScheme.scrim` |
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| `Color(0xFFXXXXXX)` | Use `colorScheme` or `SvrntyColors` |
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### Step 3: Test Both Themes
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- Run app in light mode, verify all text is visible
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- Run app in dark mode, verify all text is visible
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- Check color contrast with browser dev tools
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## Troubleshooting
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**Text not visible in dark mode:**
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- Ensure you're using `colorScheme.onSurface` or `onSurfaceVariant` for text colors
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- Don't use hardcoded `Colors.black` or dark colors for text
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- Check that TextTheme is properly applied with `_buildTextTheme()`
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**Colors not updating when switching themes:**
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- Use `Theme.of(context).colorScheme` instead of `SvrntyColors` constants
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- Ensure widget rebuilds when theme changes (use `ConsumerWidget` for Riverpod)
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- Avoid caching ColorScheme outside of build method
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**Wrong colors in components:**
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- Verify component uses `colorScheme` parameter correctly
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- Check that custom theme is applied in MaterialApp
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- Use `theme()` method to generate ThemeData
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## Resources
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- **Material Design 3:** https://m3.material.io/
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- **WCAG Contrast Checker:** https://webaim.org/resources/contrastchecker/
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- **Flutter Theme Guide:** https://docs.flutter.dev/cookbook/design/themes
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- **ColorScheme Docs:** https://api.flutter.dev/flutter/material/ColorScheme-class.html
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+13
-84
@@ -44,6 +44,19 @@ class SvrntyColors {
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/// Error - Red for errors, failures, and destructive actions
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static const Color error = Color(0xFFEF4444);
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// ============================================
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// PROGRESS GRADIENT COLORS
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// ============================================
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/// Progress Low - Orange for low progress (0-40%)
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static const Color progressLow = Color(0xFFFF9800);
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/// Progress Medium - Amber for medium progress (40-70%)
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static const Color progressMedium = Color(0xFFFFC107);
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/// Progress High - Green for high progress (70-100%)
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static const Color progressHigh = Color(0xFF4CAF50);
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// ============================================
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// DELIVERY STATUS COLORS (OPTIMIZED SVRNTY MAPPING)
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// ============================================
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@@ -97,88 +110,4 @@ class SvrntyColors {
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/// Surface Subdued - Subdued light surface
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static const Color surfaceSubdued = Color(0xFFE8EAEE);
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// ============================================
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// EXTENDED COLOR FAMILIES - SUCCESS (GREEN)
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// ============================================
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/// Success color light theme
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static const Color successLight = Color(0xFF22C55E);
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/// Success on color light theme
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static const Color onSuccessLight = Color(0xFFFFFFFF);
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/// Success container light theme
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static const Color successContainerLight = Color(0xFFDCFCE7);
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/// Success on container light theme
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static const Color onSuccessContainerLight = Color(0xFF14532D);
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/// Success color dark theme
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static const Color successDark = Color(0xFF4ADE80);
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/// Success on color dark theme
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static const Color onSuccessDark = Color(0xFF14532D);
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/// Success container dark theme
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static const Color successContainerDark = Color(0xFF15803D);
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/// Success on container dark theme
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static const Color onSuccessContainerDark = Color(0xFFDCFCE7);
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// ============================================
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// EXTENDED COLOR FAMILIES - WARNING (AMBER)
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// ============================================
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/// Warning color light theme
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static const Color warningLight = Color(0xFFF59E0B);
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/// Warning on color light theme
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static const Color onWarningLight = Color(0xFFFFFFFF);
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/// Warning container light theme
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static const Color warningContainerLight = Color(0xFFFEF3C7);
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/// Warning on container light theme
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static const Color onWarningContainerLight = Color(0xFF78350F);
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/// Warning color dark theme
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static const Color warningDark = Color(0xFFFBBF24);
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/// Warning on color dark theme
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static const Color onWarningDark = Color(0xFF78350F);
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/// Warning container dark theme
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static const Color warningContainerDark = Color(0xFFD97706);
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/// Warning on container dark theme
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static const Color onWarningContainerDark = Color(0xFFFEF3C7);
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// ============================================
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// EXTENDED COLOR FAMILIES - INFO (BLUE)
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// ============================================
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/// Info color light theme
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static const Color infoLight = Color(0xFF3B82F6);
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/// Info on color light theme
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static const Color onInfoLight = Color(0xFFFFFFFF);
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/// Info container light theme
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static const Color infoContainerLight = Color(0xFFDEEEFF);
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/// Info on container light theme
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static const Color onInfoContainerLight = Color(0xFF003DA1);
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/// Info color dark theme
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static const Color infoDark = Color(0xFF90CAF9);
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/// Info on color dark theme
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static const Color onInfoDark = Color(0xFF003DA1);
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/// Info container dark theme
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static const Color infoContainerDark = Color(0xFF0D47A1);
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/// Info on container dark theme
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static const Color onInfoContainerDark = Color(0xFFDEEEFF);
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}
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@@ -63,6 +63,36 @@ class StatusColorScheme {
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}
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}
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/// Get status color from ColorScheme (preferred over hardcoded)
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/// This method returns status colors that better integrate with the current theme
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static Color getStatusColorFromTheme(String status, ColorScheme colorScheme) {
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switch (status.toLowerCase()) {
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case 'completed':
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case 'delivered':
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case 'done':
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return colorScheme.tertiary; // Use theme green
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case 'failed':
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case 'error':
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return colorScheme.error; // Use theme error
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case 'pending':
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return SvrntyColors.warning; // Keep custom warning
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case 'in_transit':
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case 'in_progress':
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case 'processing':
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return colorScheme.secondary; // Use theme secondary
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case 'cancelled':
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case 'skipped':
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case 'rejected':
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return colorScheme.onSurfaceVariant; // Use theme variant
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case 'on_hold':
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case 'paused':
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case 'waiting':
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return colorScheme.outline; // Use theme outline
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default:
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return getStatusColor(status); // Fallback to hardcoded
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}
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}
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/// Get status background color by status type
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static Color getStatusBackground(String status) {
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switch (status.toLowerCase()) {
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Reference in New Issue
Block a user