Stat Card

1import * as React from 'react'
2import { cva, type VariantProps } from 'class-variance-authority'
3import { cn } from '@/lib/utils'
4 
5const statCardVariants = cva(
6  [
7    'relative flex flex-col font-mono',
8    'border border-solid rounded-none',
9  ],
10  {
11    variants: {
12      variant: {
13        DEFAULT:  ['border-[var(--border)]'],
14        ACTIVE:   ['border-[var(--color-green)]'],
15        WARNING:  ['border-[var(--color-amber)]'],
16        CRITICAL: ['border-[var(--color-red)]'],
17      },
18    },
19    defaultVariants: { variant: 'DEFAULT' },
20  }
21)
22 
23export interface StatCardProps
24  extends React.HTMLAttributes<HTMLDivElement>,
25    VariantProps<typeof statCardVariants> {
26  label: string
27  value: string | number
28  /** Delta text, e.g. "+2.3%" */
29  delta?: string
30  /** true = positive (▲ green), false = negative (▼ red), undefined = neutral */
31  deltaPositive?: boolean
32  /** Small status line shown at the bottom of the card */
33  sublabel?: string
34}
35 
36const StatCard = React.forwardRef<HTMLDivElement, StatCardProps>(
37  (
38    {
39      className,
40      variant = 'DEFAULT',
41      label,
42      value,
43      delta,
44      deltaPositive,
45      sublabel,
46      style,
47      ...props
48    },
49    ref
50  ) => {
51    const accentColor =
52      variant === 'ACTIVE'   ? 'var(--color-green)' :
53      variant === 'WARNING'  ? 'var(--color-amber)' :
54      variant === 'CRITICAL' ? 'var(--color-red)'   :
55      'var(--text-secondary)'
56 
57    const accentGlow =
58      variant === 'ACTIVE'   ? 'var(--text-glow-green)' :
59      variant === 'WARNING'  ? 'var(--text-glow-amber)'  :
60      variant === 'CRITICAL' ? 'var(--text-glow-red)'    :
61      'none'
62 
63    const deltaColor =
64      deltaPositive === true  ? 'var(--color-green)' :
65      deltaPositive === false ? 'var(--color-red)'   :
66      'var(--text-muted)'
67 
68    const deltaSymbol =
69      deltaPositive === true  ? '▲ ' :
70      deltaPositive === false ? '▼ ' :
71      '— '
72 
73    return (
74      <div
75        ref={ref}
76        className={cn(statCardVariants({ variant }), className)}
77        style={{
78          padding:    '1rem',
79          gap:        '0.4rem',
80          background: 'var(--surface)',
81          ...style,
82        }}
83        {...props}
84      >
85        {/* Label */}
86        <div
87          style={{
88            fontSize:      '0.6rem',
89            color:         'var(--text-muted)',
90            letterSpacing: '0.12em',
91            textTransform: 'uppercase',
92          }}
93        >
94          {label}
95        </div>
96 
97        {/* Value */}
98// … truncated