{
  "slug": "card",
  "schemaVersion": 2,
  "sourceKind": "structured-spec",
  "confidence": "medium",
  "semanticTypeCandidates": ["card", "panel", "container", "section"],
  "variantDimensions": [
    { "axis": "type", "values": ["default", "interactive", "selected"] },
    { "axis": "padding", "values": ["compact", "default", "spacious"] }
  ],
  "representativeVariants": [
    "default-default",
    "interactive-default",
    "selected-default"
  ],
  "anatomy": {
    "parts": ["header", "body", "footer", "media"],
    "required": ["body"]
  },
  "structurePatterns": [
    "Cards have NO border and NO shadow in resting state — Aham is flat",
    "Background = white (tier1) on white page; panel (tier2) on panel page",
    "Selected state = flat gray background (tier3-line #E7E7E7), NOT blue",
    "Border-radius = 12px (--radius-lg)",
    "Header uses subhead style (13px, 500 weight)",
    "Body uses body style (14px, 400 weight)",
    "Concentric radius: child radius = parent radius - padding gap"
  ],
  "usageHints": [
    "Cards separate by whitespace, never by borders or shadows",
    "One primary action per card maximum",
    "Card title uses body style (14px semibold) or lg (17px) for prominent cards",
    "Footer actions aligned right"
  ],
  "doNotInvent": [
    "Card borders, outlines, or shadows — Aham cards are flat",
    "Blue selection state — selected = flat gray (tier3-line)",
    "Elevated/hover-lift cards",
    "Color-accented card headers or sidebars"
  ],
  "unknowns": ["Card drag-to-reorder behavior", "Card collapse/expand pattern"]
}