Byline with Popup

name: "Byline with Popup"
short_description: A byline that reveals an author bio card on hover or focus.
long_visual_description: >
  A standard byline (avatar, name, date) where hovering or focusing the name reveals a
  small card with the author's photo, role, and bio.

use_cases:
  - Author byline with a hover bio.
  - Contributor credit with quick bio.
  - Editorial attribution with author detail.
  - Multi-author post attribution.
  - Expert-author credibility card.

recommended_for:
  - A byline where readers can peek at the author's bio without leaving the page.
avoid_for:
  - A plain byline (use byline).
  - A full standalone bio (use author-bio).

markets:
  - Global

example_usage: >
  The bio card reveals on hover and on keyboard focus so it stays reachable; keep the bio
  to a sentence or two.

props:
  author: The author's name.
  initials: 1-2 char avatar fallback, precomputed.
  avatar: Optional author photo.
  role: The author's role.
  bio: A short bio.
  date: The publish date.

example_prompts:
  - "Add a byline that shows the author bio on hover."
  - "Add an author byline with a hover bio card."

lifecycle: experimental
content_model: A byline plus a revealable author bio card.

theming:
  tokens_used:
    - --color-surface
    - --color-surface-raised
    - --color-on-surface
    - --color-on-surface-muted
    - --color-primary
    - --color-border
    - --radius-card
    - --shadow-raised
    - --font-heading
    - --duration-token

editorial_guidance: >
  Keep the bio to a sentence; lead with what makes the author credible on this topic.

categorization:
  category: Editorial
  subcategory: Attribution
  atomic_type: molecule
  usage_type: [overlay]
  maturity: ai-generated
  wcag:
    level: AA
    notes: The bio card reveals on hover and keyboard focus (group-focus-within); the name is a real button and the avatar carries the author name.
  keyboard_support: Focusing the name reveals the bio card.
  seo_score: 40
  text_direction: both