06Attention icon bounce

<main class="stage">
  <div class="ib is-demo">
    <span class="ib__icon" aria-hidden="true">!</span>
    <p class="ib__msg">This field is required</p>
  </div>
</main>

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

$duration: 700ms;                                 // 아이콘이 튀어 올랐다 착지하는 시간
$easing: $ease-pop;
$color: $error;

@include stage($stage-yellow);

.ib { display: flex; flex-direction: column; align-items: center; gap: $sp-3; }
.ib__icon {
  width: $sp-8; height: $sp-8;
  border-radius: 50%;
  background: $color;
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  font-family: inherit;
  transform-origin: center;
}
.ib__msg { margin: 0; color: $subject-ink; font-weight: 500; font-size: 12px; line-height: 1.3; font-family: inherit; }

@keyframes ib-bounce {
  0%, 100% { transform: translateY(0) scale(1); }
  20% { transform: translateY(-10px) scale(1.15); }
  40% { transform: translateY(0) scale(.95); }
  55% { transform: translateY(-4px) scale(1.05); }
  70% { transform: translateY(0) scale(1); }
}
// 실제 동작: 오류가 뜨면 .ib--bounce 가 한 번 붙는다
.ib__icon.ib--bounce { animation: ib-bounce $duration $easing; }

// 데모 루프
.ib.is-demo .ib__icon { animation: ib-bounce $duration $easing infinite; }

@media (prefers-reduced-motion: reduce) {
  .ib__icon.ib--bounce,
  .ib.is-demo .ib__icon { animation: none !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);
}

.ib {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.ib__icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #c2361a;
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  font-family: inherit;
  transform-origin: center;
}

.ib__msg {
  margin: 0;
  color: #17141a;
  font-weight: 500;
  font-size: 12px;
  line-height: 1.3;
  font-family: inherit;
}

@keyframes ib-bounce {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  20% {
    transform: translateY(-10px) scale(1.15);
  }
  40% {
    transform: translateY(0) scale(0.95);
  }
  55% {
    transform: translateY(-4px) scale(1.05);
  }
  70% {
    transform: translateY(0) scale(1);
  }
}
.ib__icon.ib--bounce {
  animation: ib-bounce 700ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.ib.is-demo .ib__icon {
  animation: ib-bounce 700ms cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .ib__icon.ib--bounce,
  .ib.is-demo .ib__icon {
    animation: none !important;
  }
}

import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./AttentionIconBounce.module.scss";

export type AttentionIconBounceProps = {
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };

export default function AttentionIconBounce({ duration = 700, easing = "cubic-bezier(.2,1.4,.4,1)", color = "#c2361a" }: AttentionIconBounceProps) {
  const [run, setRun] = useState(0);
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.ib} style={vars} onClick={() => setRun((n) => n + 1)}>
      <span key={run} className={`${styles.icon} ${styles.bounce}`} aria-hidden="true">!</span>
      <p className={styles.msg}>필수 항목입니다</p>
    </div>
  );
}