20:Te27, 21:Td250,

<script lang="ts">
  import type { Snippet } from "svelte";

  let {
    accent = "#FF3B5C",
    flickerOnHover = true,
    flickerPeriod = 2,
    showCounter = true,
    children,
  }: {
    accent?: string;
    flickerOnHover?: boolean;
    flickerPeriod?: number;
    showCounter?: boolean;
    children?: Snippet;
  } = $props();

  let flashing = $state(false);
  let shots = $state(0);
  let beatId = $state(0);
  let beatTimer: ReturnType<typeof setTimeout> | undefined;

  function press() {
    shots += 1;
    beatId += 1;
    flashing = true;
    if (beatTimer !== undefined) clearTimeout(beatTimer);
    beatTimer = setTimeout(() => {
      flashing = false;
      beatTimer = undefined;
    }, 140);
  }
</script>

<button
  type="button"
  class="flash-pill"
  class:flashing
  style="--accent: {accent}; --flicker-period: {flickerPeriod}s"
  data-flicker={flickerOnHover ? "on" : "off"}
  onclick={press}
>
  <svg class="glyph" width="24" height="24" viewBox="0 0 24 24" fill="none" aria-hidden="true">
    <path d="M8.2 6.5 9.4 4h5.2l1.2 2.5" />
    <rect x="2.75" y="6.5" width="18.5" height="13" rx="2.75" />
    <circle cx="12" cy="13" r="3.75" />
    {#key beatId}
      {#if beatId > 0}
        <circle class="shutter-ring" cx="12" cy="13" r="4.9" />
      {/if}
    {/key}
  </svg>
  <span class="label">{@render children?.()}</span>
  {#if showCounter}
    <span class="counter">{shots}</span>
  {/if}
</button>

<style>
  .flash-pill {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    border: none;
    border-radius: 9999px;
    background: var(--accent);
    color: #fff;
    font: 500 1.0625rem/1 system-ui, sans-serif;
    letter-spacing: 0.01em;
    cursor: pointer;
    user-select: none;
    transition: background-color 80ms ease, color 80ms ease, opacity 120ms ease;
  }
  .flash-pill:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px rgb(255 255 255 / 0.7);
  }
  .flash-pill.flashing {
    background: #f5f6f8;
    color: var(--accent);
  }
  .glyph {
    flex: none;
  }
  .glyph path,
  .glyph rect,
  .glyph circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .label {
    position: relative;
  }
  .counter {
    min-width: 1rem;
    text-align: right;
    font-size: 0.8125rem;
    line-height: 1;
    opacity: 0.7;
    font-variant-numeric: tabular-nums;
  }
  .flash-pill[data-flicker="on"]:hover .glyph,
  .flash-pill[data-flicker="on"]:focus-visible .glyph {
    animation: flash-flicker var(--flicker-period) linear infinite;
  }
  .shutter-ring {
    opacity: 0;
    transform-box: fill-box;
    transform-origin: center;
    animation: shutter-contract 340ms cubic-bezier(0.2, 0.8, 0.2, 1) 140ms forwards;
  }
  @keyframes flash-flicker {
    0%,
    62% {
      opacity: 1;
    }
    64% {
      opacity: 0.1;
    }
    67% {
      opacity: 1;
    }
    72% {
      opacity: 0.06;
    }
    75% {
      opacity: 0.9;
    }
    77% {
      opacity: 0.15;
    }
    81%,
    100% {
      opacity: 1;
    }
  }
  @keyframes shutter-contract {
    from {
      opacity: 0.9;
      transform: scale(2.1);
    }
    to {
      opacity: 0;
      transform: scale(1);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .flash-pill[data-flicker] .glyph {
      animation: none !important;
    }
    .flash-pill.flashing {
      background: var(--accent);
      color: #fff;
      opacity: 0.55;
    }
    .shutter-ring {
      animation: none;
    }
  }
</style>

22:Tf49,--- interface Props { accent?: string; flickerOnHover?: boolean; flickerPeriod?: number; showCounter?: boolean; } const { accent = "#FF3B5C", flickerOnHover = true, flickerPeriod = 2, showCounter = true } = Astro.props; --- 23:Tc4d3,

---
interface Props {
  accent?: string;
  flickerOnHover?: boolean;
  flickerPeriod?: number;
  showCounter?: boolean;
}
const { accent = "#FF3B5C", flickerOnHover = true, flickerPeriod = 2, showCounter = true } = Astro.props;
---

<button
  type="button"
  class="flash-pill"
  data-flash-pill
  data-flicker={flickerOnHover ? "on" : "off"}
  style={`--accent: ${accent}; --flicker-period: ${flickerPeriod}s`}
>
  <svg class="glyph" width="24" height="24" viewBox="0 0 24 24" fill="none" aria-hidden="true">
    <path d="M8.2 6.5 9.4 4h5.2l1.2 2.5" />
    <rect x="2.75" y="6.5" width="18.5" height="13" rx="2.75" />
    <circle cx="12" cy="13" r="3.75" />
    <circle class="shutter-ring" data-ring cx="12" cy="13" r="4.9" />
  </svg>
  <span class="label"><slot /></span>
  <span class="counter" data-counter class:list={{ "counter--off": !showCounter }}>0</span>
</button>

<style>
  .flash-pill {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    border: none;
    border-radius: 9999px;
    background: var(--accent);
    color: #fff;
    font: 500 1.0625rem/1 system-ui, sans-serif;
    letter-spacing: 0.01em;
    cursor: pointer;
    user-select: none;
    transition: background-color 80ms ease, color 80ms ease, opacity 120ms ease;
  }
  .flash-pill:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px rgb(255 255 255 / 0.7);
  }
  .flash-pill.is-flashing {
    background: #f5f6f8;
    color: var(--accent);
  }
  .glyph {
    flex: none;
  }
  .glyph path,
  .glyph rect,
  .glyph circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .shutter-ring {
    opacity: 0;
    transform-box: fill-box;
    transform-origin: center;
  }
  .label {
    position: relative;
  }
  .counter {
    min-width: 1rem;
    text-align: right;
    font-size: 0.8125rem;
    line-height: 1;
    opacity: 0.7;
    font-variant-numeric: tabular-nums;
  }
  .counter--off {
    display: none;
  }
  .flash-pill[data-flicker="on"]:hover .glyph,
  .flash-pill[data-flicker="on"]:focus-visible .glyph {
    animation: flash-flicker var(--flicker-period) linear infinite;
  }
  @keyframes flash-flicker {
    0%,
    62% {
      opacity: 1;
    }
    64% {
      opacity: 0.1;
    }
    67% {
      opacity: 1;
    }
    72% {
      opacity: 0.06;
    }
    75% {
      opacity: 0.9;
    }
    77% {
      opacity: 0.15;
    }
    81%,
    100% {
      opacity: 1;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .flash-pill[data-flicker] .glyph {
      animation: none !important;
    }
    .flash-pill.is-flashing {
      background: var(--accent);
      color: #fff;
      opacity: 0.55;
    }
  }
</style>

<script>
  function attach(button: HTMLButtonElement) {
    const counter = button.querySelector<HTMLElement>("[data-counter]");
    const ring = button.querySelector<SVGCircleElement>("[data-ring]");
    const reduced = window.matchMedia("(prefers-reduced-motion: reduce)");
    let timer: number | undefined;

    button.addEventListener("click", () => {
      if (counter) counter.textContent = String((Number(counter.textContent) || 0) + 1);
      button.classList.add("is-flashing");
      if (timer !== undefined) window.clearTimeout(timer);
      timer = window.setTimeout(() => {
        button.classList.remove("is-flashing");
        if (ring && !reduced.matches && typeof ring.animate === "function") {
          ring.animate(
            [
              { transform: "scale(2.1)", opacity: 0.9 },
              { transform: "scale(1)", opacity: 0 },
            ],
            { duration: 340, easing: "cubic-bezier(0.2, 0.8, 0.2, 1)" },
          );
        }
      }, 140);
    });
  }

  document.querySelectorAll<HTMLButtonElement>("[data-flash-pill]").forEach(attach);
</script>

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