{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "card",
  "type": "registry:ui",
  "title": "TAC Card",
  "description": "Card primitive at zero-radius with semantic tokens. For Paper Ops Console card usage prefer OpsCard (composed/ops-console/ops-card.tsx) which adds the corner-tick + accent variants.",
  "files": [
    {
      "path": "src/components/primitives/card.tsx",
      "type": "registry:ui",
      "content": "import * as React from \"react\"\nimport { cva, type VariantProps } from \"class-variance-authority\"\n\nimport { cn } from \"@workspace/ui/lib/utils\"\n\n/**\n * Card — Violet Grid v6 primitive.\n *\n * v6 changes:\n * - Surface tier variants: `default` (elevated), `outline` (legacy),\n *   `surface` (explicit elevated), `floating` (popover-tier),\n *   `interactive` (interactive-tier + tac-hover-lift).\n * - Container query at root (`@container/card`) so children can write\n *   `@sm:grid-cols-2`, `@lg:grid-cols-4` etc — adapts to the card's\n *   own width, not the viewport.\n * - Optional `inner-border` modifier via the `microContrast` prop:\n *   adds a 1px overlay-fg-soft inset ring for depth without shadow.\n *\n * See `docs/VIOLET-GRID-V6-EVOLUTION.md` § 2.2.\n */\nconst cardVariants = cva(\n  // v6: @container/card lets descendants use @sm/@lg etc. against the card width\n  \"group/card @container/card flex flex-col gap-4 overflow-hidden py-4 text-xs/relaxed text-card-foreground ring-1 ring-foreground/10 has-data-[slot=card-footer]:pb-0 has-[>img:first-child]:pt-0 data-[size=sm]:gap-2 data-[size=sm]:py-3 data-[size=sm]:has-data-[slot=card-footer]:pb-0 *:[img:first-child]:rounded-[var(--radius-lg)] *:[img:last-child]:rounded-[var(--radius-lg)]\",\n  {\n    variants: {\n      variant: {\n        default: \"bg-card rounded-[var(--radius-lg)]\",\n        outline: \"bg-card border border-border rounded-[var(--radius-xl)]\",\n        // v6: explicit surface tiers\n        surface: \"bg-surface-elevated border border-border rounded-[var(--radius-lg)]\",\n        floating: \"bg-surface-floating border border-border ring-1 ring-fg-soft shadow-[var(--shadow-brutal-sm)] rounded-[var(--radius-lg)]\",\n        interactive: \"bg-surface-interactive border border-border tac-hover-lift cursor-pointer rounded-[var(--radius-lg)]\",\n      },\n      microContrast: {\n        true: \"ring-1 ring-fg-soft\",\n        false: \"\",\n      },\n    },\n    defaultVariants: {\n      variant: \"default\",\n      microContrast: false,\n    },\n  }\n)\n\ninterface CardProps extends React.ComponentProps<\"div\">, VariantProps<typeof cardVariants> {\n  size?: \"default\" | \"sm\"\n}\n\nfunction Card({\n  className,\n  size = \"default\",\n  variant,\n  microContrast,\n  role,\n  tabIndex,\n  onKeyDown,\n  onClick,\n  ...props\n}: CardProps) {\n  // v6: when the `interactive` variant is used and the consumer wires an onClick,\n  // promote the div to a focusable, keyboard-activatable button-equivalent so\n  // keyboard and AT users get parity with mouse users. Consumers can still\n  // override role/tabIndex explicitly.\n  const isInteractive = variant === \"interactive\"\n  const resolvedRole = role ?? (isInteractive && onClick ? \"button\" : undefined)\n  const resolvedTabIndex =\n    tabIndex ?? (isInteractive && onClick ? 0 : undefined)\n\n  const handleKeyDown = (event: React.KeyboardEvent<HTMLDivElement>) => {\n    if (isInteractive && onClick && (event.key === \"Enter\" || event.key === \" \")) {\n      event.preventDefault()\n      onClick(event as unknown as React.MouseEvent<HTMLDivElement>)\n    }\n    onKeyDown?.(event)\n  }\n\n  return (\n    <div\n      data-slot=\"card\"\n      data-size={size}\n      role={resolvedRole}\n      tabIndex={resolvedTabIndex}\n      onClick={onClick}\n      onKeyDown={isInteractive && onClick ? handleKeyDown : onKeyDown}\n      className={cn(cardVariants({ variant, microContrast, className }))}\n      {...props}\n    />\n  )\n}\n\nfunction CardHeader({ className, ...props }: React.ComponentProps<\"div\">) {\n  return (\n    <div\n      data-slot=\"card-header\"\n      className={cn(\n        \"group/card-header @container/card-header grid auto-rows-min items-start gap-1 px-4 group-data-[size=sm]/card:px-3 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-4 group-data-[size=sm]/card:[.border-b]:pb-3\",\n        className\n      )}\n      {...props}\n    />\n  )\n}\n\nfunction CardTitle({ className, ...props }: React.ComponentProps<\"div\">) {\n  return (\n    <div\n      data-slot=\"card-title\"\n      className={cn(\n        \"font-heading text-sm font-medium group-data-[size=sm]/card:text-sm\",\n        className\n      )}\n      {...props}\n    />\n  )\n}\n\nfunction CardDescription({ className, ...props }: React.ComponentProps<\"div\">) {\n  return (\n    <div\n      data-slot=\"card-description\"\n      className={cn(\"text-xs/relaxed text-muted-foreground\", className)}\n      {...props}\n    />\n  )\n}\n\nfunction CardAction({ className, ...props }: React.ComponentProps<\"div\">) {\n  return (\n    <div\n      data-slot=\"card-action\"\n      className={cn(\n        \"col-start-2 row-span-2 row-start-1 self-start justify-self-end\",\n        className\n      )}\n      {...props}\n    />\n  )\n}\n\nfunction CardContent({ className, ...props }: React.ComponentProps<\"div\">) {\n  return (\n    <div\n      data-slot=\"card-content\"\n      className={cn(\"px-4 group-data-[size=sm]/card:px-3\", className)}\n      {...props}\n    />\n  )\n}\n\nfunction CardFooter({ className, ...props }: React.ComponentProps<\"div\">) {\n  return (\n    <div\n      data-slot=\"card-footer\"\n      className={cn(\n        \"flex items-center border-t p-4 group-data-[size=sm]/card:p-3\",\n        className\n      )}\n      {...props}\n    />\n  )\n}\n\nexport {\n  Card,\n  CardHeader,\n  CardFooter,\n  CardTitle,\n  CardAction,\n  CardDescription,\n  CardContent,\n  cardVariants,\n}\n"
    }
  ]
}