09Sold-out stripe overlay

<main class="stage is-demo">
  <div class="card" aria-label="sold out">
    <div class="thumb"></div>
    <div class="overlay">
      <span class="stamp">SOLD OUT</span>
    </div>
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;   // 2s — 줄무늬 한 바퀴
$easing: linear;
$color: $stage-ink;

@include stage($stage-paper);

.card {
  position: relative;
  width: 220px; height: 140px;
  border-radius: $r-card;
  overflow: hidden;
  box-shadow: $shadow-raised;
}

.thumb {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba($subject-blue, .25), rgba($subject-blue, .08));
}

.overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba($color, .82) 0 $sp-4,
      rgba($color, .62) $sp-4 #{$sp-4 * 2}
    );
  background-size: #{$sp-4 * 4} #{$sp-4 * 4};
}

.stamp {
  padding: $sp-2 $sp-4;
  border: 2px solid #fff;
  border-radius: $r-sm;
  color: #fff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .1em;
  transform: scale(1) rotate(-6deg);
}

.stage.is-demo .overlay {
  animation: stripes-flow $duration $easing infinite;
}

.stage.is-demo .stamp {
  animation: stamp-breathe #{$duration} ease-in-out infinite;
}

@keyframes stripes-flow {
  0% { background-position: 0 0; }
  100% { background-position: #{$sp-4 * 4} 0; }
}

@keyframes stamp-breathe {
  0%, 100% { transform: scale(1) rotate(-6deg); }
  50% { transform: scale(1.08) rotate(-6deg); }
}

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

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

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

.card {
  position: relative;
  width: 220px;
  height: 140px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.thumb {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(47, 109, 246, 0.25), rgba(47, 109, 246, 0.08));
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: repeating-linear-gradient(-45deg, rgba(23, 20, 26, 0.82) 0 16px, rgba(23, 20, 26, 0.62) 16px 32px);
  background-size: 64px 64px;
}

.stamp {
  padding: 8px 16px;
  border: 2px solid #fff;
  border-radius: 8px;
  color: #fff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.1em;
  transform: scale(1) rotate(-6deg);
}

.stage.is-demo .overlay {
  animation: stripes-flow 2s linear infinite;
}

.stage.is-demo .stamp {
  animation: stamp-breathe 2s ease-in-out infinite;
}

@keyframes stripes-flow {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 64px 0;
  }
}
@keyframes stamp-breathe {
  0%, 100% {
    transform: scale(1) rotate(-6deg);
  }
  50% {
    transform: scale(1.08) rotate(-6deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .overlay {
    animation: none;
  }
  .stage.is-demo .stamp {
    animation: none;
  }
}

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

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

export default function BadgeSoldOutOverlay({
  duration = 2000,
  easing = "linear",
  color = "#17141a",
  label = "SOLD OUT",
}: BadgeSoldOutOverlayProps) {
  const vars: CSSProperties = { "--duration": `${duration}ms`, "--easing": easing, "--color": color } as CSSProperties;
  return (
    <div className={styles.card} style={vars} aria-label="sold out">
      <div className={styles.thumb} />
      <div className={styles.overlay}>
        <span className={styles.stamp}>{label}</span>
      </div>
    </div>
  );
}