02Sale tag badge

<main class="stage is-demo">
  <div class="tag" aria-label="30% off">
    <span class="tag__hole"></span>
    <span class="tag__text">-30%</span>
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;   // 2s — 흔들림 한 주기
$easing: $ease-spring;
$color: $stage-orange;  // 세일 오렌지레드

@include stage($stage-ink);

.tag {
  position: relative;
  width: 132px; height: 92px;
  // 진짜 가격표 모양 — 오른쪽이 뾰족한 오각형
  clip-path: polygon(0 0, 76% 0, 100% 50%, 76% 100%, 0 100%);
  background: $color;
  display: grid; place-items: center;
  box-shadow: $shadow-raised;
  transform-origin: 8% 50%; // 규칙8: 구멍 핀 고정 흔들림
}

.tag__hole {
  position: absolute;
  left: $sp-2; top: 50%;
  width: $sp-2; height: $sp-2;
  margin-top: -$sp-1;
  border-radius: 50%;
  background: $stage-ink;
}

.tag__text {
  color: #fff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -.01em;
  padding-left: $sp-2;
}

.stage.is-demo .tag {
  animation: tag-swing $duration $easing infinite;
}

@keyframes tag-swing {
  0%, 100% { transform: rotate(0deg) scale(1); box-shadow: $shadow-raised; }
  30% { transform: rotate(-6deg) scale(1.05); box-shadow: 0 18px 30px rgba(23, 20, 26, .4); }
  60% { transform: rotate(3deg) scale(1.02); }
  80% { transform: rotate(-1deg) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .tag { animation: none; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.tag {
  position: relative;
  width: 132px;
  height: 92px;
  clip-path: polygon(0 0, 76% 0, 100% 50%, 76% 100%, 0 100%);
  background: #ff4d1f;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  transform-origin: 8% 50%;
}

.tag__hole {
  position: absolute;
  left: 8px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: #17141a;
}

.tag__text {
  color: #fff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.01em;
  padding-left: 8px;
}

.stage.is-demo .tag {
  animation: tag-swing 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes tag-swing {
  0%, 100% {
    transform: rotate(0deg) scale(1);
    box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  }
  30% {
    transform: rotate(-6deg) scale(1.05);
    box-shadow: 0 18px 30px rgba(23, 20, 26, 0.4);
  }
  60% {
    transform: rotate(3deg) scale(1.02);
  }
  80% {
    transform: rotate(-1deg) scale(1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .tag {
    animation: none;
  }
}

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

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

export default function BadgeSalePercent({
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#ff4d1f",
  percent = 30,
}: BadgeSalePercentProps) {
  const vars: CSSProperties = { "--duration": `${duration}ms`, "--easing": easing, "--color": color } as CSSProperties;
  return (
    <div className={styles.tag} style={vars} aria-label={`${percent}% off`}>
      <span className={styles.hole} />
      <span className={styles.text}>-{percent}%</span>
    </div>
  );
}