04Rating distribution bars

<main class="stage">
  <section class="rd is-demo" aria-label="Rating breakdown">
    <svg class="rd__defs" width="0" height="0" aria-hidden="true" focusable="false">
      <symbol id="rd-star" viewBox="0 0 256 256" fill="currentColor"><path d="M229.06,108.79l-48.7,42,14.88,62.79a8.4,8.4,0,0,1-12.52,9.17L128,189.09,73.28,222.74a8.4,8.4,0,0,1-12.52-9.17l14.88-62.79-48.7-42A8.46,8.46,0,0,1,31.73,94L95.64,88.8l24.62-59.6a8.36,8.36,0,0,1,15.48,0l24.62,59.6L224.27,94A8.46,8.46,0,0,1,229.06,108.79Z" opacity="0.2"/><path d="M239.18,97.26A16.38,16.38,0,0,0,224.92,86l-59-4.76L143.14,26.15a16.36,16.36,0,0,0-30.27,0L90.11,81.23,31.08,86a16.46,16.46,0,0,0-9.37,28.86l45,38.83L53,211.75a16.38,16.38,0,0,0,24.5,17.82L128,198.49l50.53,31.08A16.4,16.4,0,0,0,203,211.75l-13.76-58.07,45-38.83A16.43,16.43,0,0,0,239.18,97.26Zm-15.34,5.47-48.7,42a8,8,0,0,0-2.56,7.91l14.88,62.8a.37.37,0,0,1-.17.48c-.18.14-.23.11-.38,0l-54.72-33.65a8,8,0,0,0-8.38,0L69.09,215.94c-.15.09-.19.12-.38,0a.37.37,0,0,1-.17-.48l14.88-62.8a8,8,0,0,0-2.56-7.91l-48.7-42c-.12-.1-.23-.19-.13-.5s.18-.27.33-.29l63.92-5.16A8,8,0,0,0,103,91.86l24.62-59.61c.08-.17.11-.25.35-.25s.27.08.35.25L153,91.86a8,8,0,0,0,6.75,4.92l63.92,5.16c.15,0,.24,0,.33.29S224,102.63,223.84,102.73Z"/></symbol>
      <symbol id="rd-star-half" viewBox="0 0 256 256" fill="currentColor"><path d="M128,24V189.09L73.28,222.74a8.4,8.4,0,0,1-12.52-9.17l14.88-62.79-48.7-42A8.46,8.46,0,0,1,31.73,94L95.64,88.8l24.62-59.6A8.26,8.26,0,0,1,128,24Z" opacity="0.2"/><path d="M239.18,97.26A16.38,16.38,0,0,0,224.92,86l-59-4.76L143.14,26.15a16.36,16.36,0,0,0-30.27,0L90.11,81.23,31.08,86a16.46,16.46,0,0,0-9.37,28.86l45,38.83L53,211.75a16.4,16.4,0,0,0,24.5,17.82L128,198.49l50.53,31.08A16.4,16.4,0,0,0,203,211.75l-13.76-58.07,45-38.83A16.43,16.43,0,0,0,239.18,97.26ZM69.09,215.94c-.15.09-.2.12-.38,0a.37.37,0,0,1-.17-.48l14.88-62.8a8,8,0,0,0-2.56-7.91l-48.7-42a.39.39,0,0,1-.13-.51c.09-.27.18-.27.33-.29l63.92-5.16A8,8,0,0,0,103,91.86l17-41.08V184.63ZM223.84,102.73l-48.7,42a8,8,0,0,0-2.56,7.91l14.88,62.8a.37.37,0,0,1-.17.48c-.18.14-.23.11-.38,0L136,184.63V50.78l17,41.08a8,8,0,0,0,6.75,4.92l63.91,5.16c.16,0,.25,0,.34.29S224,102.63,223.84,102.73Z"/></symbol>
    </svg>

    <div class="rd__card">
      <div class="rd__summary">
        <p class="rd__avg" role="img" aria-label="4.7 out of 5">
          <span class="rd__num">
            <span class="rd__n rd__n--1">4.1</span>
            <span class="rd__n rd__n--2">4.3</span>
            <span class="rd__n rd__n--3">4.5</span>
            <span class="rd__n rd__n--4">4.7</span>
          </span>
          <span class="rd__stars">
            <svg width="14" height="14" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg>
            <svg width="14" height="14" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg>
            <svg width="14" height="14" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg>
            <svg width="14" height="14" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg>
            <svg width="14" height="14" aria-hidden="true" focusable="false"><use href="#rd-star-half"/></svg>
          </span>
        </p>
        <p class="rd__count" role="img" aria-label="1,509 reviews">
          <span class="rd__c rd__c--1">812 reviews</span>
          <span class="rd__c rd__c--2">1,140 reviews</span>
          <span class="rd__c rd__c--3">1,382 reviews</span>
          <span class="rd__c rd__c--4">1,509 reviews</span>
        </p>
      </div>

      <ul class="rd__rows">
        <li class="rd__item">
          <button class="rd__row rd__row--5" type="button" aria-pressed="false" aria-label="5 stars, 68 percent">
            <span class="rd__lv" aria-hidden="true">5<svg width="10" height="10" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg></span>
            <span class="rd__track" aria-hidden="true"><span class="rd__bg"></span><span class="rd__fill"></span></span>
            <span class="rd__pct" aria-hidden="true">68%</span>
          </button>
        </li>
        <li class="rd__item">
          <button class="rd__row rd__row--4" type="button" aria-pressed="false" aria-label="4 stars, 21 percent">
            <span class="rd__lv" aria-hidden="true">4<svg width="10" height="10" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg></span>
            <span class="rd__track" aria-hidden="true"><span class="rd__bg"></span><span class="rd__fill"></span></span>
            <span class="rd__pct" aria-hidden="true">21%</span>
          </button>
        </li>
        <li class="rd__item">
          <button class="rd__row rd__row--3" type="button" aria-pressed="false" aria-label="3 stars, 7 percent">
            <span class="rd__lv" aria-hidden="true">3<svg width="10" height="10" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg></span>
            <span class="rd__track" aria-hidden="true"><span class="rd__bg"></span><span class="rd__fill"></span></span>
            <span class="rd__pct" aria-hidden="true">7%</span>
          </button>
        </li>
        <li class="rd__item">
          <button class="rd__row rd__row--2" type="button" aria-pressed="false" aria-label="2 stars, 3 percent">
            <span class="rd__lv" aria-hidden="true">2<svg width="10" height="10" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg></span>
            <span class="rd__track" aria-hidden="true"><span class="rd__bg"></span><span class="rd__fill"></span></span>
            <span class="rd__pct" aria-hidden="true">3%</span>
          </button>
        </li>
        <li class="rd__item">
          <button class="rd__row rd__row--1" type="button" aria-pressed="false" aria-label="1 star, 1 percent">
            <span class="rd__lv" aria-hidden="true">1<svg width="10" height="10" aria-hidden="true" focusable="false"><use href="#rd-star"/></svg></span>
            <span class="rd__track" aria-hidden="true"><span class="rd__bg"></span><span class="rd__fill"></span></span>
            <span class="rd__pct" aria-hidden="true">1%</span>
          </button>
        </li>
      </ul>
    </div>
  </section>
</main>

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

// 276 공통 팔레트 — 아홉 항목이 같은 값을 쓴다. 괄호 안은 실측 대비비
$pf-ink:   #1c1b22;        // 크림 위 글자 15.99:1
$pf-cream: #fbf7ef;        // 카드 바탕. 오렌지 무대 위 흰 글자(3.32:1)를 피하려고 카드를 먼저 깐다
$pf-stone: #565062;        // 크림 위 보조 글자 7.23:1
$pf-flame: $stage-orange;  // 무대 · 별 · 고른 줄의 채움 (크림 위 3.1:1 — 글자가 아니라 도형에만)

$duration: $dur-loop;      // 다섯 막대가 차례로 차오르는 한 바퀴
$easing:   $ease-spring;   // 막대가 차오를 때의 감속
$color:    $pf-ink;        // 막대 채움 색

@include stage($pf-flame);

// 시각 요소 reset — 기본 margin 을 명시로 0
p, ul { margin: 0; }

.rd {
  box-sizing: border-box;
  width: clamp(288px, 94vw, 432px);
}

.rd__defs { display: none; }

.rd__card {
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: $sp-4;
  padding: $sp-4;
  border-radius: $r-card;
  background: $pf-cream;
}

// ── 왼쪽: 평균 점수 · 별 · 후기 개수 ─────────────────────
.rd__summary {
  display: grid;
  justify-items: start;
  gap: $sp-1;
}

.rd__avg {
  display: grid;
  justify-items: start;
  gap: $sp-1;
}

// 숫자 여러 벌을 같은 칸에 포갠다 — 크로스페이드가 아니라 steps(1, end) 로 갈아 끼운다
.rd__num { display: grid; justify-items: start; }
.rd__n {
  grid-area: 1 / 1;
  color: $pf-ink;
  font-weight: 800; font-size: 34px; line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  opacity: 0;
}
// 정적 경로 — 루프가 없으면 마지막 값만 보인다 (.is-demo 연출보다 먼저 쓴다)
.rd__n--4 { opacity: 1; }

.rd__stars { display: flex; align-items: center; gap: $sp-1; color: $pf-flame; }
.rd__stars svg { display: block; }

.rd__count {
  display: grid;
  justify-items: start;
  color: $pf-stone;
  font-weight: 600; font-size: 11px; line-height: 1.2;
}
.rd__c { grid-area: 1 / 1; opacity: 0; white-space: nowrap; }
.rd__c--4 { opacity: 1; }

// ── 오른쪽: 5점 → 1점 다섯 줄 ───────────────────────────
.rd__rows { display: grid; gap: $sp-2; padding: 0; list-style: none; }

// 「별점 라벨 · 트랙 · 퍼센트」 세 칸. 트랙과 채움은 같은 칸에 겹치므로
// flex: 1 1 0 + scaleX 조합(BD19 오탐)을 쓰지 않는다
.rd__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: $sp-2;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: $r-xs;
  background: none;
  color: $pf-stone;
  font-family: inherit;
  font-weight: 700; font-size: 11px; line-height: 1;
  text-align: left;
  cursor: pointer;
}
.rd__row--5 { --p: .68; }
.rd__row--4 { --p: .21; }
.rd__row--3 { --p: .07; }
.rd__row--2 { --p: .03; }
.rd__row--1 { --p: .01; }

.rd__lv {
  display: flex;
  align-items: center;
  gap: $sp-1;
  color: $pf-ink;
  font-variant-numeric: tabular-nums;
}
.rd__lv svg { display: block; color: $pf-flame; }

.rd__track { display: grid; }
.rd__bg, .rd__fill {
  grid-area: 1 / 1;
  height: 8px;
  border-radius: $r-pill;
}
.rd__bg { background: rgba(28, 27, 34, .12); }
.rd__fill {
  background: $color;
  transform: scaleX(var(--p));
  transform-origin: left center; // 규칙8: 분포 막대 왼쪽 채움
}

.rd__pct {
  min-width: 26px;
  color: $pf-stone;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.rd__row:hover .rd__fill,
.rd__row[aria-pressed="true"] .rd__fill { background: $pf-flame; }
.rd__row[aria-pressed="true"] { color: $pf-ink; }
.rd.is-picked .rd__row[aria-pressed="false"] { opacity: .42; }

.rd__row:focus-visible {
  outline: 2px solid $pf-ink;
  outline-offset: 2px;
}

// ── 자동 재생 ────────────────────────────────────────────
// animation 단축은 delay 를 0 으로 리셋하므로 낱개 속성으로 쓴다.
// 지연이 걸린 루프에는 fill-mode: backwards — 없으면 0프레임에 완성 상태가 한 번 번쩍인다
.rd.is-demo .rd__fill {
  animation-name: rdFill;
  animation-duration: $duration;
  animation-timing-function: $easing;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}
.rd.is-demo .rd__row--4 .rd__fill { animation-delay: .16s; }
.rd.is-demo .rd__row--3 .rd__fill { animation-delay: .32s; }
.rd.is-demo .rd__row--2 .rd__fill { animation-delay: .48s; }
.rd.is-demo .rd__row--1 .rd__fill { animation-delay: .64s; }

// 카운트업은 steps(1, end) 로 한 칸씩 컷 — opacity 크로스페이드는 poster 에 반투명 유령을 남긴다
.rd.is-demo .rd__n,
.rd.is-demo .rd__c {
  animation-duration: $duration;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
  animation-fill-mode: both;
}
.rd.is-demo .rd__n--1, .rd.is-demo .rd__c--1 { animation-name: rdStep1; }
.rd.is-demo .rd__n--2, .rd.is-demo .rd__c--2 { animation-name: rdStep2; }
.rd.is-demo .rd__n--3, .rd.is-demo .rd__c--3 { animation-name: rdStep3; }
.rd.is-demo .rd__n--4, .rd.is-demo .rd__c--4 { animation-name: rdStep4; }

// 차오른 막대는 끝까지 남긴다 — 한 바퀴 안에서 비웠다 채우면 poster 가 빈 막대를 고른다.
// 되감기는 루프 경계(24프레임의 마지막 장은 95.8% 지점)에서 한 번에 일어난다
@keyframes rdFill {
  0%        { transform: scaleX(0); }
  46%, 100% { transform: scaleX(var(--p)); }
}
@keyframes rdStep1 { 0% { opacity: 1; } 22%, 100% { opacity: 0; } }
@keyframes rdStep2 { 0% { opacity: 0; } 22% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes rdStep3 { 0% { opacity: 0; } 50% { opacity: 1; } 84%, 100% { opacity: 0; } }
// 마지막 값은 막대가 다 찬 84% 에 도착해 끝까지 유지한다 (90% 안)
@keyframes rdStep4 { 0% { opacity: 0; } 84%, 100% { opacity: 1; } }

// 좁은 화면 — 두 칸을 유지하고 글자·간격만 줄인다 (여기서는 값을 올리지 않는다)
@media (max-width: 340px), (max-height: 220px) {
  .rd { width: 100%; }
  .rd__card { gap: $sp-3; padding: $sp-3; }
  .rd__n { font-size: 26px; }
  .rd__stars { gap: 0; }
  .rd__stars svg { width: 11px; height: 11px; }
  .rd__count { font-size: 10px; }
  .rd__rows { gap: $sp-1; }
  .rd__row { gap: $sp-1; font-size: 10px; }
  .rd__bg, .rd__fill { height: 6px; }
  .rd__pct { min-width: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  // .rd.is-demo .rd__fill (0,3,0) 를 이기려면 !important 가 필요하다
  .rd__fill, .rd__n, .rd__c { animation: none !important; }
  .rd__n, .rd__c { opacity: 0 !important; }
  .rd__n--4, .rd__c--4 { opacity: 1 !important; }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

p, ul {
  margin: 0;
}

.rd {
  box-sizing: border-box;
  width: clamp(288px, 94vw, 432px);
}

.rd__defs {
  display: none;
}

.rd__card {
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 16px;
  background: #fbf7ef;
}

.rd__summary {
  display: grid;
  justify-items: start;
  gap: 4px;
}

.rd__avg {
  display: grid;
  justify-items: start;
  gap: 4px;
}

.rd__num {
  display: grid;
  justify-items: start;
}

.rd__n {
  grid-area: 1/1;
  color: #1c1b22;
  font-weight: 800;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  opacity: 0;
}

.rd__n--4 {
  opacity: 1;
}

.rd__stars {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #ff4d1f;
}

.rd__stars svg {
  display: block;
}

.rd__count {
  display: grid;
  justify-items: start;
  color: #565062;
  font-weight: 600;
  font-size: 11px;
  line-height: 1.2;
}

.rd__c {
  grid-area: 1/1;
  opacity: 0;
  white-space: nowrap;
}

.rd__c--4 {
  opacity: 1;
}

.rd__rows {
  display: grid;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.rd__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: none;
  color: #565062;
  font-family: inherit;
  font-weight: 700;
  font-size: 11px;
  line-height: 1;
  text-align: left;
  cursor: pointer;
}

.rd__row--5 {
  --p: .68;
}

.rd__row--4 {
  --p: .21;
}

.rd__row--3 {
  --p: .07;
}

.rd__row--2 {
  --p: .03;
}

.rd__row--1 {
  --p: .01;
}

.rd__lv {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #1c1b22;
  font-variant-numeric: tabular-nums;
}

.rd__lv svg {
  display: block;
  color: #ff4d1f;
}

.rd__track {
  display: grid;
}

.rd__bg, .rd__fill {
  grid-area: 1/1;
  height: 8px;
  border-radius: 999px;
}

.rd__bg {
  background: rgba(28, 27, 34, 0.12);
}

.rd__fill {
  background: #1c1b22;
  transform: scaleX(var(--p));
  transform-origin: left center;
}

.rd__pct {
  min-width: 26px;
  color: #565062;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.rd__row:hover .rd__fill,
.rd__row[aria-pressed=true] .rd__fill {
  background: #ff4d1f;
}

.rd__row[aria-pressed=true] {
  color: #1c1b22;
}

.rd.is-picked .rd__row[aria-pressed=false] {
  opacity: 0.42;
}

.rd__row:focus-visible {
  outline: 2px solid #1c1b22;
  outline-offset: 2px;
}

.rd.is-demo .rd__fill {
  animation-name: rdFill;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

.rd.is-demo .rd__row--4 .rd__fill {
  animation-delay: 0.16s;
}

.rd.is-demo .rd__row--3 .rd__fill {
  animation-delay: 0.32s;
}

.rd.is-demo .rd__row--2 .rd__fill {
  animation-delay: 0.48s;
}

.rd.is-demo .rd__row--1 .rd__fill {
  animation-delay: 0.64s;
}

.rd.is-demo .rd__n,
.rd.is-demo .rd__c {
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
  animation-fill-mode: both;
}

.rd.is-demo .rd__n--1, .rd.is-demo .rd__c--1 {
  animation-name: rdStep1;
}

.rd.is-demo .rd__n--2, .rd.is-demo .rd__c--2 {
  animation-name: rdStep2;
}

.rd.is-demo .rd__n--3, .rd.is-demo .rd__c--3 {
  animation-name: rdStep3;
}

.rd.is-demo .rd__n--4, .rd.is-demo .rd__c--4 {
  animation-name: rdStep4;
}

@keyframes rdFill {
  0% {
    transform: scaleX(0);
  }
  46%, 100% {
    transform: scaleX(var(--p));
  }
}
@keyframes rdStep1 {
  0% {
    opacity: 1;
  }
  22%, 100% {
    opacity: 0;
  }
}
@keyframes rdStep2 {
  0% {
    opacity: 0;
  }
  22% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0;
  }
}
@keyframes rdStep3 {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  84%, 100% {
    opacity: 0;
  }
}
@keyframes rdStep4 {
  0% {
    opacity: 0;
  }
  84%, 100% {
    opacity: 1;
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .rd {
    width: 100%;
  }
  .rd__card {
    gap: 12px;
    padding: 12px;
  }
  .rd__n {
    font-size: 26px;
  }
  .rd__stars {
    gap: 0;
  }
  .rd__stars svg {
    width: 11px;
    height: 11px;
  }
  .rd__count {
    font-size: 10px;
  }
  .rd__rows {
    gap: 4px;
  }
  .rd__row {
    gap: 4px;
    font-size: 10px;
  }
  .rd__bg, .rd__fill {
    height: 6px;
  }
  .rd__pct {
    min-width: 22px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .rd__fill, .rd__n, .rd__c {
    animation: none !important;
  }
  .rd__n, .rd__c {
    opacity: 0 !important;
  }
  .rd__n--4, .rd__c--4 {
    opacity: 1 !important;
  }
}

(function () {
  var root = document.querySelector('.rd');
  var rows = [].slice.call(root.querySelectorAll('.rd__row'));

  // 사람이 손을 대면 미리보기 루프를 끄고 정적 상태(최종 폭·최종 숫자)로 남긴다
  function stopLoop() { root.classList.remove('is-demo'); }

  // 별점 줄을 누르면 그 점수만 골라 보는 필터 — 상점 평점 블록이 실제로 하는 동작
  rows.forEach(function (row) {
    row.addEventListener('click', function () {
      var was = row.getAttribute('aria-pressed') === 'true';
      stopLoop();
      rows.forEach(function (r) { r.setAttribute('aria-pressed', 'false'); });
      row.setAttribute('aria-pressed', was ? 'false' : 'true');
      root.classList.toggle('is-picked', !was);
    });
  });

  root.addEventListener('pointerenter', stopLoop);
  root.addEventListener('focusin', stopLoop);
})();

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

/* ambient 에 React 이벤트 제네릭이 없어 파일 안에 필요한 만큼만 선언한다 */
type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };
type RowVars = CSSProperties & { "--p"?: string };

export type RatingRow = {
  /** 별점 라벨 — 5 부터 1 까지 */
  level: string;
  /** 막대가 차오를 목표 비율 (0~1) */
  ratio: number;
  /** 오른쪽에 보이는 퍼센트 */
  pct: string;
  /** 스크린 리더가 읽을 한 문장 */
  label: string;
};

export type RatingBarsProps = {
  sectionLabel?: string;
  /** 카운트업으로 갈아 끼울 평균 점수 — 마지막이 최종값 */
  scores?: string[];
  /** 별 묶음이 읽히는 이름 */
  scoreLabel?: string;
  /** 카운트업으로 갈아 끼울 후기 개수 — 마지막이 최종값 */
  counts?: string[];
  rows?: RatingRow[];
  /** 다섯 막대가 차례로 차오르는 한 바퀴(ms) */
  duration?: number;
  easing?: string;
  /** 막대 채움 색 */
  color?: string;
};

const Star = (): ReactNode => (
  <svg viewBox="0 0 256 256" width="14" height="14" fill="currentColor" aria-hidden="true" focusable="false">
    <path d="M229.06,108.79l-48.7,42,14.88,62.79a8.4,8.4,0,0,1-12.52,9.17L128,189.09,73.28,222.74a8.4,8.4,0,0,1-12.52-9.17l14.88-62.79-48.7-42A8.46,8.46,0,0,1,31.73,94L95.64,88.8l24.62-59.6a8.36,8.36,0,0,1,15.48,0l24.62,59.6L224.27,94A8.46,8.46,0,0,1,229.06,108.79Z" opacity="0.2" />
    <path d="M239.18,97.26A16.38,16.38,0,0,0,224.92,86l-59-4.76L143.14,26.15a16.36,16.36,0,0,0-30.27,0L90.11,81.23,31.08,86a16.46,16.46,0,0,0-9.37,28.86l45,38.83L53,211.75a16.38,16.38,0,0,0,24.5,17.82L128,198.49l50.53,31.08A16.4,16.4,0,0,0,203,211.75l-13.76-58.07,45-38.83A16.43,16.43,0,0,0,239.18,97.26Zm-15.34,5.47-48.7,42a8,8,0,0,0-2.56,7.91l14.88,62.8a.37.37,0,0,1-.17.48c-.18.14-.23.11-.38,0l-54.72-33.65a8,8,0,0,0-8.38,0L69.09,215.94c-.15.09-.19.12-.38,0a.37.37,0,0,1-.17-.48l14.88-62.8a8,8,0,0,0-2.56-7.91l-48.7-42c-.12-.1-.23-.19-.13-.5s.18-.27.33-.29l63.92-5.16A8,8,0,0,0,103,91.86l24.62-59.61c.08-.17.11-.25.35-.25s.27.08.35.25L153,91.86a8,8,0,0,0,6.75,4.92l63.92,5.16c.15,0,.24,0,.33.29S224,102.63,223.84,102.73Z" />
  </svg>
);

const StarHalf = (): ReactNode => (
  <svg viewBox="0 0 256 256" width="14" height="14" fill="currentColor" aria-hidden="true" focusable="false">
    <path d="M128,24V189.09L73.28,222.74a8.4,8.4,0,0,1-12.52-9.17l14.88-62.79-48.7-42A8.46,8.46,0,0,1,31.73,94L95.64,88.8l24.62-59.6A8.26,8.26,0,0,1,128,24Z" opacity="0.2" />
    <path d="M239.18,97.26A16.38,16.38,0,0,0,224.92,86l-59-4.76L143.14,26.15a16.36,16.36,0,0,0-30.27,0L90.11,81.23,31.08,86a16.46,16.46,0,0,0-9.37,28.86l45,38.83L53,211.75a16.4,16.4,0,0,0,24.5,17.82L128,198.49l50.53,31.08A16.4,16.4,0,0,0,203,211.75l-13.76-58.07,45-38.83A16.43,16.43,0,0,0,239.18,97.26ZM69.09,215.94c-.15.09-.2.12-.38,0a.37.37,0,0,1-.17-.48l14.88-62.8a8,8,0,0,0-2.56-7.91l-48.7-42a.39.39,0,0,1-.13-.51c.09-.27.18-.27.33-.29l63.92-5.16A8,8,0,0,0,103,91.86l17-41.08V184.63ZM223.84,102.73l-48.7,42a8,8,0,0,0-2.56,7.91l14.88,62.8a.37.37,0,0,1-.17.48c-.18.14-.23.11-.38,0L136,184.63V50.78l17,41.08a8,8,0,0,0,6.75,4.92l63.91,5.16c.16,0,.25,0,.34.29S224,102.63,223.84,102.73Z" />
  </svg>
);

const SmallStar = (): ReactNode => (
  <svg viewBox="0 0 256 256" width="10" height="10" fill="currentColor" aria-hidden="true" focusable="false">
    <path d="M229.06,108.79l-48.7,42,14.88,62.79a8.4,8.4,0,0,1-12.52,9.17L128,189.09,73.28,222.74a8.4,8.4,0,0,1-12.52-9.17l14.88-62.79-48.7-42A8.46,8.46,0,0,1,31.73,94L95.64,88.8l24.62-59.6a8.36,8.36,0,0,1,15.48,0l24.62,59.6L224.27,94A8.46,8.46,0,0,1,229.06,108.79Z" opacity="0.2" />
    <path d="M239.18,97.26A16.38,16.38,0,0,0,224.92,86l-59-4.76L143.14,26.15a16.36,16.36,0,0,0-30.27,0L90.11,81.23,31.08,86a16.46,16.46,0,0,0-9.37,28.86l45,38.83L53,211.75a16.38,16.38,0,0,0,24.5,17.82L128,198.49l50.53,31.08A16.4,16.4,0,0,0,203,211.75l-13.76-58.07,45-38.83A16.43,16.43,0,0,0,239.18,97.26Zm-15.34,5.47-48.7,42a8,8,0,0,0-2.56,7.91l14.88,62.8a.37.37,0,0,1-.17.48c-.18.14-.23.11-.38,0l-54.72-33.65a8,8,0,0,0-8.38,0L69.09,215.94c-.15.09-.19.12-.38,0a.37.37,0,0,1-.17-.48l14.88-62.8a8,8,0,0,0-2.56-7.91l-48.7-42c-.12-.1-.23-.19-.13-.5s.18-.27.33-.29l63.92-5.16A8,8,0,0,0,103,91.86l24.62-59.61c.08-.17.11-.25.35-.25s.27.08.35.25L153,91.86a8,8,0,0,0,6.75,4.92l63.92,5.16c.15,0,.24,0,.33.29S224,102.63,223.84,102.73Z" />
  </svg>
);

const DEFAULT_SCORES = ["4.1", "4.3", "4.5", "4.7"];
const DEFAULT_COUNTS = ["후기 812개", "후기 1,140개", "후기 1,382개", "후기 1,509개"];
const DEFAULT_ROWS: RatingRow[] = [
  { level: "5", ratio: 0.68, pct: "68%", label: "5점 후기가 68퍼센트" },
  { level: "4", ratio: 0.21, pct: "21%", label: "4점 후기가 21퍼센트" },
  { level: "3", ratio: 0.07, pct: "7%", label: "3점 후기가 7퍼센트" },
  { level: "2", ratio: 0.03, pct: "3%", label: "2점 후기가 3퍼센트" },
  { level: "1", ratio: 0.01, pct: "1%", label: "1점 후기가 1퍼센트" },
];

export default function RatingBars({
  sectionLabel = "별점 분포 요약",
  scores = DEFAULT_SCORES,
  scoreLabel = "5점 만점에 4.7점",
  counts = DEFAULT_COUNTS,
  rows = DEFAULT_ROWS,
  duration = 2000,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#1c1b22",
}: RatingBarsProps): ReactNode {
  const [loop, setLoop] = useState<boolean>(true);
  const [picked, setPicked] = useState<number>(-1);

  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
  const step = [styles.step1, styles.step2, styles.step3, styles.step4];
  const lag = [styles.lag1, styles.lag2, styles.lag3, styles.lag4, styles.lag5];

  /* 별점 줄을 누르면 그 점수만 골라 보는 필터 — 상점 평점 블록이 실제로 하는 동작 */
  const pick = (i: number): void => {
    setLoop(false);
    setPicked(picked === i ? -1 : i);
  };

  const cls = [styles.rd, loop ? styles.isDemo : "", picked >= 0 ? styles.isPicked : ""]
    .filter(Boolean)
    .join(" ");

  return (
    <section
      className={cls}
      style={vars}
      aria-label={sectionLabel}
      onPointerEnter={() => setLoop(false)}
      onFocus={() => setLoop(false)}
    >
      <div className={styles.card}>
        <div className={styles.summary}>
          <p className={styles.avg} role="img" aria-label={scoreLabel}>
            <span className={styles.num}>
              {scores.map((s: string, i: number) => (
                <span className={`${styles.n} ${step[i % step.length]}`} key={s}>{s}</span>
              ))}
            </span>
            <span className={styles.stars}>
              <Star /><Star /><Star /><Star /><StarHalf />
            </span>
          </p>
          <p className={styles.count} role="img" aria-label={counts[counts.length - 1]}>
            {counts.map((c: string, i: number) => (
              <span className={`${styles.c} ${step[i % step.length]}`} key={c}>{c}</span>
            ))}
          </p>
        </div>

        <ul className={styles.rows}>
          {rows.map((r: RatingRow, i: number) => {
            const rowVars: RowVars = { "--p": String(r.ratio) };
            return (
              <li key={r.level}>
                {/* 「별점 라벨 · 트랙 · 퍼센트」 세 칸. 트랙과 채움은 같은 칸에 겹치므로
                    flex: 1 1 0 + scaleX 조합(BD19 오탐)을 쓰지 않는다 */}
                <button
                  className={`${styles.row} ${lag[i] || ""}`}
                  type="button"
                  style={rowVars}
                  aria-pressed={picked === i}
                  aria-label={r.label}
                  onClick={() => pick(i)}
                >
                  <span className={styles.lv} aria-hidden="true">{r.level}<SmallStar /></span>
                  <span className={styles.track} aria-hidden="true">
                    <span className={styles.bg} />
                    <span className={styles.fill} />
                  </span>
                  <span className={styles.pct} aria-hidden="true">{r.pct}</span>
                </button>
              </li>
            );
          })}
        </ul>
      </div>
    </section>
  );
}