Phoenix Design System
The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this specification are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here.
What Are You Doing?
Read the relevant reference(s) based on the task:
| Task |
Reference |
| Layout stability, scroll behavior, interaction patterns |
references/layout.md |
| Alert and form dialog usage, footer button styling, content writing |
references/dialogs.md |
| Error scoping, inline alerts, input validation |
references/error-display.md |
| Naming CSS classes |
references/bem.md |
| Creating or consuming CSS design tokens |
references/tokens.md |
| Picking an icon for a noun (project, trace, span, file, etc.) |
references/icons.md |
| Displaying counts in tabs, headings, or filter buttons |
references/counters.md |
Choosing or adding an EmptyStateGraphic variant (the per-region/topic empty-state graphics) |
references/empty-states.md |
1---2name: phoenix-design3description: Design system conventions for the Phoenix frontend — layout, dialogs, error display, BEM CSS class naming, and CSS design tokens. Use when building UI, naming CSS classes, creating or consuming tokens, handling errors, or designing dialog interactions in js/app/src/.4license: Apache-2.05---6
7# Phoenix Design System
8
9The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this specification are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here.
10
11## What Are You Doing?
12
13Read the relevant reference(s) based on the task:
14
15| Task | Reference |
16|------|-----------|
17| Layout stability, scroll behavior, interaction patterns | `references/layout.md` |
18| Alert and form dialog usage, footer button styling, content writing | `references/dialogs.md` |
19| Error scoping, inline alerts, input validation | `references/error-display.md` |
20| Naming CSS classes | `references/bem.md` |
21| Creating or consuming CSS design tokens | `references/tokens.md` |
22| Picking an icon for a noun (project, trace, span, file, etc.) | `references/icons.md` |
23| Displaying counts in tabs, headings, or filter buttons | `references/counters.md` |
24| Choosing or adding an `EmptyStateGraphic` variant (the per-region/topic empty-state graphics) | `references/empty-states.md` |
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