01Candy ring spin

<main class="stage">
  <div class="cr-wrap is-demo" aria-hidden="true">
    <div class="cr-ring"></div>
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: 1s;      // 링 한 바퀴
$easing: $ease-out;
$color: $subject-pink;

@include stage($stage-ink);

// 실사용: 로딩 시작하면 JS 가 .is-loading 을 붙인다
.cr-wrap {
  width: 148px;
  height: 148px;
  display: grid;
  place-items: center;
}

.cr-ring {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, $color, $subject-lilac, $subject-sky, $color);
  mask: radial-gradient(farthest-side, #0000 calc(100% - 22px), #000 calc(100% - 21px));
}

.cr-wrap.is-loading,
.cr-wrap.is-demo {
  .cr-ring { animation: cr-spin $duration linear infinite; }
  animation: cr-breathe 2s $easing infinite;
}

@keyframes cr-spin {
  to { transform: rotate(360deg); }
}

@keyframes cr-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}

@media (prefers-reduced-motion: reduce) {
  .cr-wrap.is-loading,
  .cr-wrap.is-demo {
    animation: none !important;
    .cr-ring { animation: none !important; }
  }
}

// 320px 폭 스테이지에서 1.12배 breathe 가 패딩 여유를 거의 다 먹어 타이밍에 따라 세로 넘침이 났다
// (실측 2026-09-11: 148px 링 기준 여유 8.64px 뿐이라 렌더 타이밍마다 폰넘침 O/X 가 갈림) — 좁은 화면에서 링 자체를 줄여 여유를 키운다
@media (max-width: 340px), (max-height: 220px) {
  .cr-wrap, .cr-ring { width: 116px; height: 116px; }
}

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);
}

.cr-wrap {
  width: 148px;
  height: 148px;
  display: grid;
  place-items: center;
}

.cr-ring {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #ff9ebb, #b9a0ff, #6ec8ff, #ff9ebb);
  mask: radial-gradient(farthest-side, rgba(0, 0, 0, 0) calc(100% - 22px), #000 calc(100% - 21px));
}

.cr-wrap.is-loading .cr-ring,
.cr-wrap.is-demo .cr-ring {
  animation: cr-spin 1s linear infinite;
}
.cr-wrap.is-loading,
.cr-wrap.is-demo {
  animation: cr-breathe 2s ease-out infinite;
}

@keyframes cr-spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes cr-breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.12);
  }
}
@media (prefers-reduced-motion: reduce) {
  .cr-wrap.is-loading,
  .cr-wrap.is-demo {
    animation: none !important;
  }
  .cr-wrap.is-loading .cr-ring,
  .cr-wrap.is-demo .cr-ring {
    animation: none !important;
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .cr-wrap, .cr-ring {
    width: 116px;
    height: 116px;
  }
}

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

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

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

export default function CandyRing({
  duration = "1s",
  easing = "ease-out",
  color = "#ff9ebb",
}: CandyRingProps) {
  const style: Vars = {
    "--duration": duration,
    "--easing": easing,
    "--color": color,
  };
  return (
    <div className={`${styles.wrap} ${styles.demo}`} style={style} aria-hidden="true">
      <div className={styles.ring} />
    </div>
  );
}