50 lines
1.2 KiB
Markdown
50 lines
1.2 KiB
Markdown
# Theming
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The app theme is driven by shared CSS custom properties.
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## Source Of Truth
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- Theme presets live in `frontend/src/theme/themes.ts`.
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- The selected theme is persisted in local storage under `nanobot.theme`.
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- The active theme is applied to `document.documentElement` before the app renders.
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## How To Change The App Theme
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Edit or add a preset in `frontend/src/theme/themes.ts`:
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- `label`
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- `swatch`
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- `tokens`
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The picker in the conversation drawer reads directly from that file, so new presets appear automatically.
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## Card Theming
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Cards inherit the same variables as the app shell.
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Prefer these semantic token families:
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- `--theme-card-neutral-*`
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- `--theme-card-warm-*`
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- `--theme-card-success-*`
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- `--card-*`
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- `--helper-card-*`
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- `--theme-text*`
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- `--theme-border*`
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- `--theme-accent*`
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- `--theme-status-*`
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Do not hardcode generic shell colors like `#ffffff`, `#111827`, or app-background gradients in new cards.
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## Runtime Access
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Dynamic cards can read theme values through the runtime host:
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- `host.getThemeName()`
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- `host.getThemeValue("--theme-accent")`
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For values that should live-update when the theme changes, prefer CSS variables directly:
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```html
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<div style="color:var(--theme-card-neutral-text)"></div>
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```
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