Vijayakanth Manoharan
012385e9e1
- Add @custom-variant dark in globals.css for class-based dark mode - Add ThemeToggle component with localStorage persistence and system preference fallback - Inject blocking inline script in layout to prevent flash on load - Apply dark: variants across all components (layout, site-nav, home-dashboard, expense-workspace, paycheck-workspace, recurring-expense-manager) and page headers - Create openspec/changes/theming-dark-mode with proposal, design, and tasks artifacts Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
28 lines
1.6 KiB
Markdown
28 lines
1.6 KiB
Markdown
## Why
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The app currently ships with a warm light theme only. Adding a system-aware dark mode with a manual toggle removes eye strain in low-light conditions and meets baseline accessibility expectations for a personal finance tool used at any hour.
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## What Changes
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- Add a class-based dark mode variant using Tailwind v4 `@custom-variant` so all `dark:` utilities are controlled by a `dark` class on `<html>`.
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- Add a `ThemeToggle` component that persists the user's preference in `localStorage` and initialises the correct class before first paint to prevent flash.
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- Update the root layout to inject the inline initialisation script and render the toggle inside the existing header.
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- Apply `dark:` variants to all UI components to produce a warm, deep-stone dark palette consistent with the existing amber/stone design language.
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## Capabilities
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### New Capabilities
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- `dark-mode`: Users can switch between light and dark themes with a toggle that persists across sessions. System preference is respected on first visit.
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### Modified Capabilities
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- `expense-tracking`: Expense workspace and recurring expense manager now render correctly in both themes.
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- `paycheck-tracking`: Paycheck workspace now renders correctly in both themes.
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- `monthly-dashboard`: Dashboard sections, insight cards, category bars, and stat cards now render correctly in both themes.
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## Impact
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- Affected code: `globals.css`, `layout.tsx`, all components under `src/components/`, and page header text in `src/app/`.
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- APIs: None.
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- Dependencies: None — uses Tailwind v4 built-ins and the Web Storage API.
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- Systems: No server-side changes required; theme state is fully client-side.
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