Credit card

import type { ReactNode } from "react";

const variants = {
  ink: "bg-(--tui-credit-card-ink-bg) text-(--tui-credit-card-ink-fg) border-transparent",
  brand: "bg-(--tui-credit-card-brand-bg) text-(--tui-credit-card-brand-fg) border-transparent",
  surface: "bg-(--tui-credit-card-surface-bg) text-(--tui-credit-card-surface-fg) border-(--tui-credit-card-surface-border)",
};

export interface CreditCardProps {
  variant?: keyof typeof variants;
  /** The issuer or the product, top left. */
  title?: ReactNode;
  /** The last four digits. The rest are never shown. */
  last4: string;
  name: ReactNode;
  /** When it runs out, e.g. "06/28". */
  expiry: ReactNode;
  /** The network's mark, bottom right: a logo or its name. */
  network?: ReactNode;
  className?: string;
}

/** A payment card, drawn. For showing which card is on file, not for typing one in. */
export function CreditCard({ variant = "ink", title, last4, name, expiry, network, className }: CreditCardProps) {
  return (
    <div
      data-slot="credit-card"
      role="img"
      aria-label={`Card ending in ${last4}`}
      className={[
        "relative flex aspect-[1.586] w-(--tui-credit-card-width) max-w-full flex-col justify-between overflow-hidden rounded-(--tui-credit-card-radius) border-solid border-(length:--tui-credit-card-border-width) p-(--tui-credit-card-padding) font-(family-name:--tui-font) shadow-(--tui-credit-card-shadow)",
        // A sheen across the top corner, in the card's own text colour so it suits every variant.
        "before:pointer-events-none before:absolute before:inset-0 before:bg-[linear-gradient(135deg,currentColor,transparent_55%)] before:opacity-(--tui-credit-card-sheen)",
        variants[variant],
        className,
      ]
        .filter(Boolean)
        .join(" ")}
    >
      <div className="relative flex items-start justify-between gap-3">
        <span className="text-(length:--tui-credit-card-font-size) leading-none font-semibold">{title}</span>
        <svg aria-hidden viewBox="0 0 16 16" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" className="size-[1.4em] opacity-80">
          <path d="M5 5.500a4 4 0 0 1 0 5M8 4a6.500 6.500 0 0 1 0 8M11 2.500a9 9 0 0 1 0 11" />
        </svg>
      </div>
      <div className="relative flex flex-col gap-[0.9em] text-(length:--tui-credit-card-font-size)">
        <span aria-hidden className="h-[1.9em] w-[2.6em] rounded-[0.35em] bg-(--tui-credit-card-chip) opacity-90" />
        <span className="font-(family-name:--tui-credit-card-mono) text-[1.15em] leading-none tracking-[0.14em] tabular-nums">•••• •••• •••• {last4}</span>
        <div className="flex items-end justify-between gap-3 leading-none">
          <span className="flex flex-col gap-[0.5em]">
            <span className="text-[0.72em] tracking-[0.08em] uppercase opacity-65">Card holder</span>
            <span className="font-medium">{name}</span>
          </span>
          <span className="flex flex-col gap-[0.5em]">
            <span className="text-[0.72em] tracking-[0.08em] uppercase opacity-65">Expires</span>
            <span className="font-medium tabular-nums">{expiry}</span>
          </span>
          {network && <span className="text-[1.1em] font-bold tracking-tight italic">{network}</span>}
        </div>
      </div>
    </div>
  );
}

:root {
  color-scheme: light;
  --tui-bg: #ffffff;
  --tui-fg: #0a0a0a;
  --tui-muted: #f5f5f5;
  --tui-muted-fg: #737373;
  --tui-border: #e5e5e5;
  --tui-primary: #171717;
  --tui-primary-fg: #fafafa;
  --tui-ring: #a3a3a3;
  --tui-success: #16a34a;
  --tui-warning: #d97706;
  --tui-danger: #dc2626;
  --tui-radius: 8px;
  --tui-border-width: 1px;
  --tui-space: 4px;
  --tui-shadow: none;
  --tui-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --tui-text: 14px;
  --tui-duration: 150ms;

  /* Credit card */
  --tui-credit-card-width: 300px;
  --tui-credit-card-padding: calc(var(--tui-space) * 5);
  --tui-credit-card-radius: calc(var(--tui-radius) * 2);
  --tui-credit-card-border-width: var(--tui-border-width);
  --tui-credit-card-shadow: 0 12px 32px rgb(0 0 0 / 0.14);
  --tui-credit-card-sheen: 0.12;
  --tui-credit-card-font-size: 13px;
  --tui-credit-card-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --tui-credit-card-chip: color-mix(in oklab, var(--tui-warning) 55%, var(--tui-bg));
  --tui-credit-card-ink-bg: var(--tui-fg);
  --tui-credit-card-ink-fg: var(--tui-bg);
  --tui-credit-card-brand-bg: var(--tui-primary);
  --tui-credit-card-brand-fg: var(--tui-primary-fg);
  --tui-credit-card-surface-bg: var(--tui-muted);
  --tui-credit-card-surface-fg: var(--tui-fg);
  --tui-credit-card-surface-border: var(--tui-border);
}

.dark,
[data-theme="dark"] {
  color-scheme: dark;
  --tui-bg: #0a0a0a;
  --tui-fg: #fafafa;
  --tui-muted: #1c1c1c;
  --tui-muted-fg: #a3a3a3;
  --tui-border: #2a2a2a;
  --tui-primary: #fafafa;
  --tui-primary-fg: #171717;
  --tui-ring: #737373;
  --tui-success: #22c55e;
  --tui-warning: #f59e0b;
  --tui-danger: #ef4444;
}