06Wobble

<main class="stage">
  <div class="card a-wobble">
    <span class="card__handle" aria-hidden="true">⋮⋮</span>
    Card A
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: 1s;
$easing: ease-in-out;
$color: $stage-ink;

// ── 데모 무대 ───────────────────────────────
@include stage($stage-yellow);

.card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: $r-card;
  background: $subject-cream;
  color: $color;
  font-weight: 700; font-size: clamp(15px, 4vw, 18px); line-height: 1; font-family: inherit;
  box-shadow: $shadow-raised;
}
.card__handle {
  letter-spacing: -2px;
  opacity: .72;               // AA: 크림 면 위 핸들 글자 6.9:1
}

// ── .a-wobble 은 translateX 와 rotate 를 같은 keyframes 안에서 어긋나게 겹친다 ─
.a-wobble {
  animation: wobble $duration $easing infinite;
}

@keyframes wobble {
  0%, 100% { transform: translateX(0)    rotate(0deg); }
  15%      { transform: translateX(-6px) rotate(-4deg); }
  30%      { transform: translateX(5px)  rotate(3deg); }
  45%      { transform: translateX(-4px) rotate(-2deg); }
  60%      { transform: translateX(3px)  rotate(2deg); }
  75%      { transform: translateX(-2px) rotate(-1deg); }
}

@media (prefers-reduced-motion: reduce) {
  .a-wobble { animation: none; }
}

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);
}

.card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 16px;
  background: #fff7e6;
  color: #17141a;
  font-weight: 700;
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1;
  font-family: inherit;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.card__handle {
  letter-spacing: -2px;
  opacity: 0.72;
}

.a-wobble {
  animation: wobble 1s ease-in-out infinite;
}

@keyframes wobble {
  0%, 100% {
    transform: translateX(0) rotate(0deg);
  }
  15% {
    transform: translateX(-6px) rotate(-4deg);
  }
  30% {
    transform: translateX(5px) rotate(3deg);
  }
  45% {
    transform: translateX(-4px) rotate(-2deg);
  }
  60% {
    transform: translateX(3px) rotate(2deg);
  }
  75% {
    transform: translateX(-2px) rotate(-1deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .a-wobble {
    animation: none;
  }
}

import type { CSSProperties, ReactNode } from "react";
import styles from "./WobbleCard.module.scss";

export type WobbleCardProps = {
  children: ReactNode;
  /** 한 번 도는 데 걸리는 시간 (기본 1000ms) */
  duration?: number;
  /** CSS easing (기본 ease-in-out) */
  easing?: string;
  /** 글자·핸들 색 */
  color?: string;
};

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

export default function WobbleCard({
  children,
  duration = 1000,
  easing = "ease-in-out",
  color = "#17141a",
}: WobbleCardProps) {
  const vars: Vars = {
    "--duration": `${duration}ms`,
    "--easing": easing,
    "--color": color,
  };
  return (
    <div className={styles.card} style={vars}>
      <span className={styles.handle} aria-hidden="true">⋮⋮</span>
      {children}
    </div>
  );
}