06Emoji bật lên

<main class="stage">
  <div class="ep-wrap is-demo">
    <button class="ep-btn" type="button" aria-pressed="false">👏 Cổ vũ</button>
    <span class="ep-emoji ep-emoji--1">🎉</span>
    <span class="ep-emoji ep-emoji--2">✨</span>
    <span class="ep-emoji ep-emoji--3">🎊</span>
  </div>
</main>

@use "../../../../site/static/demo-tokens" as *;

// ── 변수 3개 ──────────────────────────────────────────
$duration: 700ms;
$easing: $ease-pop;
$color: $subject-blue;

@include stage($stage-yellow);

.ep-wrap {
  position: relative;
  width: min(220px, 80vw);
  display: grid;
  place-items: center;
}

.ep-btn {
  position: relative;
  z-index: 1;
  border: 0;
  border-radius: $r-pill;
  padding: $sp-3 $sp-6;
  background: $subject-ink;
  color: $subject-cream;
  font: 700 14px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: pointer;
}

.ep-emoji {
  position: absolute;
  top: -8px;
  font-size: 22px;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
}
.ep-emoji--1 { left: 10%; }
.ep-emoji--2 { left: 44%; }
.ep-emoji--3 { right: 10%; }

@keyframes ep-pop {
  0%   { transform: translateY(0) scale(.4); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: translateY(-64px) scale(1.1); opacity: 0; }
}

// 실사용: 클릭이 is-pop 을 다시 붙인다 (위 <script>)
.ep-wrap.is-pop .ep-emoji,
.ep-wrap.is-demo .ep-emoji { animation: ep-pop $duration $easing infinite; }
.ep-emoji--2 { animation-delay: 110ms; }
.ep-emoji--3 { animation-delay: 220ms; }

@media (prefers-reduced-motion: reduce) {
  .ep-wrap.is-pop .ep-emoji,
  .ep-wrap.is-demo .ep-emoji { animation: none !important; opacity: 0 !important; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.ep-wrap {
  position: relative;
  width: min(220px, 80vw);
  display: grid;
  place-items: center;
}

.ep-btn {
  position: relative;
  z-index: 1;
  border: 0;
  border-radius: 999px;
  padding: 12px 24px;
  background: #17141a;
  color: #fff7e6;
  font: 700 14px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: pointer;
}

.ep-emoji {
  position: absolute;
  top: -8px;
  font-size: 22px;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
}

.ep-emoji--1 {
  left: 10%;
}

.ep-emoji--2 {
  left: 44%;
}

.ep-emoji--3 {
  right: 10%;
}

@keyframes ep-pop {
  0% {
    transform: translateY(0) scale(0.4);
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  100% {
    transform: translateY(-64px) scale(1.1);
    opacity: 0;
  }
}
.ep-wrap.is-pop .ep-emoji,
.ep-wrap.is-demo .ep-emoji {
  animation: ep-pop 700ms cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

.ep-emoji--2 {
  animation-delay: 110ms;
}

.ep-emoji--3 {
  animation-delay: 220ms;
}

@media (prefers-reduced-motion: reduce) {
  .ep-wrap.is-pop .ep-emoji,
  .ep-wrap.is-demo .ep-emoji {
    animation: none !important;
    opacity: 0 !important;
  }
}

var wrap = document.querySelector('.ep-wrap');
var btn = document.querySelector('.ep-btn');
btn.addEventListener('click', function () {
  wrap.classList.remove('is-pop');
  void wrap.offsetWidth;
  wrap.classList.add('is-pop');
});

import { CSSProperties, useState } from "react";
import styles from "./EmojiPop.module.scss";

type Vars = CSSProperties & Record<string, string>;

export interface EmojiPopProps {
  duration?: string;
  easing?: string;
  color?: string;
}

const EMOJI = ["🎉", "✨", "🎊"];

export default function EmojiPop({
  duration = "700ms",
  easing = "cubic-bezier(.2, 1.4, .4, 1)",
  color = "#2f6df6",
}: EmojiPopProps) {
  const [popKey, setPopKey] = useState(0);
  const style: Vars = { "--duration": duration, "--easing": easing, "--color": color };
  return (
    <div className={styles.wrap} style={style}>
      <button className={styles.btn} type="button" onClick={() => setPopKey((k) => k + 1)}>
        👏 응원하기
      </button>
      <span key={popKey} className={styles.emojis}>
        {EMOJI.map((e, i) => (
          <span
            key={i}
            className={styles.emoji}
            style={{ left: `${10 + i * 34}%`, animationDelay: `${i * 110}ms` } as Vars}
          >
            {e}
          </span>
        ))}
      </span>
    </div>
  );
}