<script setup lang="ts">
import { computed } from "vue";

const props = withDefaults(
  defineProps<{
    label?: string;
    variant?: "solid" | "muted" | "outline";
    count?: number;
    accentColor?: string;
  }>(),
  { label: "Badge", variant: "solid", count: 8, accentColor: "#FF4D8D" },
);

const TEAL = "#38BDF8";
const GREEN = "#9BE15D";
const RED = "#FF3B47";
const NEUTRAL = "#9AA4B4";

function clampHex(hex: string): string {
  return /^#[0-9a-fA-F]{6}$/.test(hex) ? hex : "#FF4D8D";
}

function hexToRgb(hex: string): [number, number, number] {
  const clean = clampHex(hex).slice(1);
  return [parseInt(clean.slice(0, 2), 16), parseInt(clean.slice(2, 4), 16), parseInt(clean.slice(4, 6), 16)];
}

function hexToRgba(hex: string, alpha: number): string {
  const [r, g, b] = hexToRgb(hex);
  return `rgba(${r}, ${g}, ${b}, ${alpha})`;
}

function readableInk(hex: string): string {
  const [r, g, b] = hexToRgb(hex);
  const luminance = (0.299 * r + 0.587 * g + 0.114 * b) / 255;
  return luminance > 0.6 ? "#101114" : "#ffffff";
}

function toneStyle(variant: "solid" | "muted" | "outline", color: string) {
  const safe = clampHex(color);
  if (variant === "solid") return { background: safe, borderColor: safe, color: readableInk(safe) };
  if (variant === "muted") return { background: hexToRgba(safe, 0.16), borderColor: hexToRgba(safe, 0.3), color: safe };
  return { background: "transparent", borderColor: hexToRgba(safe, 0.55), color: safe };
}

function countDisplay(count: number, max = 99): string {
  const safeCount = Math.max(0, Math.round(count));
  return safeCount > max ? `${max}+` : String(safeCount);
}

const mainBadgeStyle = computed(() => toneStyle(props.variant, props.accentColor));
const mainCountStyle = computed(() => toneStyle(props.variant, props.accentColor));
const mainCountDisplay = computed(() => countDisplay(props.count));
const mainCountWide = computed(() => mainCountDisplay.value.length > 1);

const overflowStyle = toneStyle("outline", NEUTRAL);
const overflowDisplay = countDisplay(27, 20);
</script>

<template>
  <div class="cluster">
    <div class="pair">
      <span class="badge" :style="mainBadgeStyle">{{ label }}</span>
      <span class="token" :class="{ wide: mainCountWide }" :style="mainCountStyle">{{ mainCountDisplay }}</span>
    </div>

    <div class="pair">
      <span class="badge" :style="toneStyle('muted', TEAL)">In review</span>
      <span class="token" :style="toneStyle('solid', TEAL)">5</span>
    </div>

    <span class="badge" :style="toneStyle('outline', GREEN)">Shipped</span>

    <div class="pair">
      <span class="badge" :style="toneStyle('solid', RED)">Blocked</span>
      <span class="token" :style="toneStyle('solid', RED)">2</span>
    </div>

    <div class="pair">
      <span class="badge" :style="toneStyle('outline', NEUTRAL)">Archived</span>
      <span class="token wide" :style="overflowStyle">{{ overflowDisplay }}</span>
    </div>
  </div>
</template>

<style scoped>
.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 2rem;
  font-family: system-ui, sans-serif;
}
.pair {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  border-radius: 9999px;
  border: 1px solid transparent;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  user-select: none;
}
.token {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid transparent;
  height: 1.25rem;
  width: 1.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  user-select: none;
}
.token.wide {
  width: auto;
  min-width: 1.25rem;
  padding: 0 0.375rem;
}
</style>

20:Te39,

{label} {mainDisplay}

In review 5

Shipped

Blocked 2

Archived {overflowDisplay}

21:Tdd9e,

<script lang="ts">
  type Variant = "solid" | "muted" | "outline";

  let {
    label = "Badge",
    variant = "solid",
    count = 8,
    accentColor = "#FF4D8D",
  }: { label?: string; variant?: Variant; count?: number; accentColor?: string } = $props();

  const TEAL = "#38BDF8";
  const GREEN = "#9BE15D";
  const RED = "#FF3B47";
  const NEUTRAL = "#9AA4B4";

  function clampHex(hex: string): string {
    return /^#[0-9a-fA-F]{6}$/.test(hex) ? hex : "#FF4D8D";
  }

  function hexToRgb(hex: string): [number, number, number] {
    const clean = clampHex(hex).slice(1);
    return [parseInt(clean.slice(0, 2), 16), parseInt(clean.slice(2, 4), 16), parseInt(clean.slice(4, 6), 16)];
  }

  function hexToRgba(hex: string, alpha: number): string {
    const [r, g, b] = hexToRgb(hex);
    return `rgba(${r}, ${g}, ${b}, ${alpha})`;
  }

  function readableInk(hex: string): string {
    const [r, g, b] = hexToRgb(hex);
    const luminance = (0.299 * r + 0.587 * g + 0.114 * b) / 255;
    return luminance > 0.6 ? "#101114" : "#ffffff";
  }

  function toneStyle(v: Variant, color: string): string {
    const safe = clampHex(color);
    if (v === "solid") return `background:${safe};border-color:${safe};color:${readableInk(safe)}`;
    if (v === "muted") return `background:${hexToRgba(safe, 0.16)};border-color:${hexToRgba(safe, 0.3)};color:${safe}`;
    return `background:transparent;border-color:${hexToRgba(safe, 0.55)};color:${safe}`;
  }

  function countDisplay(value: number, max = 99): string {
    const safeCount = Math.max(0, Math.round(value));
    return safeCount > max ? `${max}+` : String(safeCount);
  }

  let mainDisplay = $derived(countDisplay(count));
  let mainWide = $derived(mainDisplay.length > 1);
  let overflowDisplay = countDisplay(27, 20);
</script>

<div class="cluster">
  <div class="pair">
    <span class="badge" style={toneStyle(variant, accentColor)}>{label}</span>
    <span class="token" class:wide={mainWide} style={toneStyle(variant, accentColor)}>{mainDisplay}</span>
  </div>

  <div class="pair">
    <span class="badge" style={toneStyle("muted", TEAL)}>In review</span>
    <span class="token" style={toneStyle("solid", TEAL)}>5</span>
  </div>

  <span class="badge" style={toneStyle("outline", GREEN)}>Shipped</span>

  <div class="pair">
    <span class="badge" style={toneStyle("solid", RED)}>Blocked</span>
    <span class="token" style={toneStyle("solid", RED)}>2</span>
  </div>

  <div class="pair">
    <span class="badge" style={toneStyle("outline", NEUTRAL)}>Archived</span>
    <span class="token wide" style={toneStyle("outline", NEUTRAL)}>{overflowDisplay}</span>
  </div>
</div>

<style>
  .cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 2rem;
    font-family: system-ui, sans-serif;
  }
  .pair {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    border-radius: 9999px;
    border: 1px solid transparent;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    user-select: none;
  }
  .token {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    border: 1px solid transparent;
    height: 1.25rem;
    width: 1.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    user-select: none;
  }
  .token.wide {
    width: auto;
    min-width: 1.25rem;
    padding: 0 0.375rem;
  }
</style>

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