09Summary counter that tallies today in hourly bars

<main class="stage">
  <section class="sc is-demo" id="sc" aria-label="Today's activity summary">
    <header class="sc__h">
      <span class="sc__ic" aria-hidden="true"><svg viewBox="0 0 256 256" width="1em" height="1em" fill="currentColor"><g><path d="m96 40l33.52 88H56Zm104 88h-70.48L160 208Z" opacity=".2"/><path d="M240 128a8 8 0 0 1-8 8h-27.06l-37.78 75.58A8 8 0 0 1 160 216h-.4a8 8 0 0 1-7.08-5.14L95.35 60.76l-32.07 70.55A8 8 0 0 1 56 136H24a8 8 0 0 1 0-16h26.85l37.87-83.31a8 8 0 0 1 14.76.46l57.51 151l31.85-63.71A8 8 0 0 1 200 120h32a8 8 0 0 1 8 8"/></g></svg></span>
      <h2 class="sc__t">Today's activity</h2>
      <button class="sc__re" type="button" id="sc-re">Recount</button>
    </header>
    <p class="sc__cap" aria-live="polite"><span class="sc__n" id="sc-n" data-n="12"><i class="sc__d sc__d--a" aria-hidden="true">0</i><i class="sc__d sc__d--b" aria-hidden="true">4</i><i class="sc__d sc__d--c" aria-hidden="true">12</i></span><span class="sc__unit"> activities so far</span></p>
    <div class="sc__chart" role="img" aria-label="Activity bars by hour — 9am to 2pm">
      <div class="sc__col"><span class="sc__barw" style="--f:.30"><i class="sc__bar"></i></span><span class="sc__hr">09</span></div>
      <div class="sc__col"><span class="sc__barw" style="--f:.55"><i class="sc__bar"></i></span><span class="sc__hr">10</span></div>
      <div class="sc__col"><span class="sc__barw" style="--f:1"><i class="sc__bar"></i></span><span class="sc__hr">11</span></div>
      <div class="sc__col"><span class="sc__barw" style="--f:.80"><i class="sc__bar"></i></span><span class="sc__hr">12</span></div>
      <div class="sc__col"><span class="sc__barw" style="--f:.45"><i class="sc__bar"></i></span><span class="sc__hr">13</span></div>
      <div class="sc__col"><span class="sc__barw" style="--f:.65"><i class="sc__bar sc__bar--last"></i></span><span class="sc__hr">14</span></div>
    </div>
  </section>
</main>

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

$duration: $dur-quick;
$easing: $ease-spring;
$color: $subject-cream;

@include stage($stage-orange);

$ink: $stage-orange;

.sc {
  box-sizing: border-box;
  width: min(304px, 92vw);
  padding: $sp-3;
  border: 1px solid rgba(255, 247, 230, .35);
  border-radius: $r-card;
  background: rgba(23, 20, 26, .08);
  color: $subject-ink;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 12px;
  line-height: 1.3;
}

.sc__h {
  display: flex;
  align-items: center;
  gap: $sp-1;
  margin: 0 0 $sp-2;
}
.sc__ic { display: inline-flex; width: 14px; height: 14px; color: $stage-yellow; }
.sc__t { margin: 0; font-size: 12px; font-weight: 700; }
.sc__re {
  margin-left: auto;
  padding: 0 $sp-2;
  border: 1px solid rgba(255, 247, 230, .5);
  border-radius: $r-pill;
  background: transparent;
  color: $subject-ink;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.7;
  cursor: pointer;
}
.sc__re:focus-visible { outline: 2px solid $stage-yellow; outline-offset: 2px; }
.sc__re:active { transform: scale(.94); }

// ── 오늘의 수 ─────────────────────────────────────
.sc__cap {
  display: flex;
  align-items: baseline;
  gap: $sp-1;
  margin: 0 0 $sp-2;
}
.sc__n {
  position: relative;
  display: inline-block;
  min-width: 2ch;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  text-align: right;
  color: $subject-cream;
}
.sc__d { position: absolute; inset: 0; visibility: hidden; font-style: normal; }
.sc__d--c { visibility: visible; }
.sc__unit { color: $subject-ink; font-size: 11px; font-weight: 700; }

// ── 시간대별 막대 — 같은 눈금의 grid, 밑뿌리 scaleY ──
.sc__chart {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: $sp-2;
  align-items: end;
}
.sc__col { display: grid; justify-items: center; gap: $sp-1; }
.sc__barw {
  display: block;
  width: 100%;
  height: 56px;
}
.sc__bar {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: $r-xs $r-xs 0 0;
  background: $color;
  transform-origin: bottom; // 규칙8: 막대 밑뿌리에서 성장
  transform: scaleY(var(--f));
  transition: transform 400ms $easing; // 실제 집계 갱신용
}
.sc__barw.is-up .sc__bar { background: $stage-yellow; }

// ── 격자 미리보기 전용 2초 루프 ─────────────────────
// 막대 하나 = 애니메이션 하나: 밑뿌리에서 stagger 로 자라다 한 바퀴 끝에 접는다
@keyframes sc-cycle {
  0% { transform: scaleY(0); }
  55% { transform: scaleY(var(--f)); }
  90% { transform: scaleY(var(--f)); }
  100% { transform: scaleY(0); }
}
@keyframes sc-d-a { 0%, 24% { visibility: visible; } 25%, 100% { visibility: hidden; } }
@keyframes sc-d-b { 0%, 24% { visibility: hidden; } 25%, 54% { visibility: visible; } 55%, 100% { visibility: hidden; } }
@keyframes sc-d-c { 0%, 54% { visibility: hidden; } 55%, 86% { visibility: visible; } 87%, 100% { visibility: hidden; } }
@keyframes sc-re-press {
  0%, 82% { transform: translateY(0); }
  85% { transform: translateY(2px) scale(.95); }
  89%, 100% { transform: translateY(0) scale(1); }
}
@keyframes sc-unit-pop {
  0%, 54% { transform: translateY(0); }
  58% { transform: translateY(-2px); }
  62%, 86% { transform: translateY(0); }
  87%, 100% { transform: translateY(0); }
}

.sc.is-demo {
  .sc__bar {
    animation-name: sc-cycle;
    animation-duration: $dur-loop;
    animation-timing-function: $easing;
    animation-iteration-count: infinite;
    animation-fill-mode: backwards;
  }
  // 시차 — 낮은 특이도 리셋 함정: 단축 없이 낱개 속성, delay 는 nth-child 로 더 뒤에 둔다
  .sc__chart .sc__col:nth-child(1) .sc__bar { animation-delay: 0s; }
  .sc__chart .sc__col:nth-child(2) .sc__bar { animation-delay: 80ms; }
  .sc__chart .sc__col:nth-child(3) .sc__bar { animation-delay: 160ms; }
  .sc__chart .sc__col:nth-child(4) .sc__bar { animation-delay: 240ms; }
  .sc__chart .sc__col:nth-child(5) .sc__bar { animation-delay: 320ms; }
  .sc__chart .sc__col:nth-child(6) .sc__bar { animation-delay: 400ms; }
  .sc__d--a { animation-name: sc-d-a; }
  .sc__d--b { animation-name: sc-d-b; }
  .sc__d--c { animation-name: sc-d-c; }
  .sc__d {
    animation-duration: $dur-loop;
    animation-timing-function: steps(1, end);
    animation-iteration-count: infinite;
  }
  .sc__re {
    animation-name: sc-re-press;
    animation-duration: $dur-loop;
    animation-timing-function: $easing;
    animation-iteration-count: infinite;
  }
  .sc__unit {
    animation-name: sc-unit-pop;
    animation-duration: $dur-loop;
    animation-timing-function: $easing;
    animation-iteration-count: infinite;
  }
}

@media (max-width: 340px) {
  .sc { padding: $sp-2; font-size: 11px; }
  .sc__h { margin-bottom: $sp-1; }
  .sc__n { font-size: 24px; }
  .sc__cap { margin-bottom: $sp-1; }
  .sc__chart { gap: $sp-1; }
  .sc__barw { height: 44px; }
  .sc__hr { font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .sc__bar { transition: none; }
  .sc__re:active { transform: none; }
  .sc.is-demo .sc__bar,
  .sc.is-demo .sc__re,
  .sc.is-demo .sc__unit,
  .sc.is-demo .sc__d { animation: none !important; transform: none !important; }
  // 움직임만 끄고 결과 상태는 남긴다 — 막대는 다 찬 상태, 숫자는 마지막 값
  .sc.is-demo .sc__bar { transform: scaleY(var(--f)) !important; }
  .sc.is-demo .sc__d--a, .sc.is-demo .sc__d--b { visibility: hidden !important; }
  .sc.is-demo .sc__d--c { visibility: visible !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);
}

.sc {
  box-sizing: border-box;
  width: min(304px, 92vw);
  padding: 12px;
  border: 1px solid rgba(255, 247, 230, 0.35);
  border-radius: 16px;
  background: rgba(23, 20, 26, 0.08);
  color: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 12px;
  line-height: 1.3;
}

.sc__h {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 8px;
}

.sc__ic {
  display: inline-flex;
  width: 14px;
  height: 14px;
  color: #ffd23f;
}

.sc__t {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
}

.sc__re {
  margin-left: auto;
  padding: 0 8px;
  border: 1px solid rgba(255, 247, 230, 0.5);
  border-radius: 999px;
  background: transparent;
  color: #17141a;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.7;
  cursor: pointer;
}

.sc__re:focus-visible {
  outline: 2px solid #ffd23f;
  outline-offset: 2px;
}

.sc__re:active {
  transform: scale(0.94);
}

.sc__cap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 8px;
}

.sc__n {
  position: relative;
  display: inline-block;
  min-width: 2ch;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  text-align: right;
  color: #fff7e6;
}

.sc__d {
  position: absolute;
  inset: 0;
  visibility: hidden;
  font-style: normal;
}

.sc__d--c {
  visibility: visible;
}

.sc__unit {
  color: #17141a;
  font-size: 11px;
  font-weight: 700;
}

.sc__chart {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  align-items: end;
}

.sc__col {
  display: grid;
  justify-items: center;
  gap: 4px;
}

.sc__barw {
  display: block;
  width: 100%;
  height: 56px;
}

.sc__bar {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 4px 4px 0 0;
  background: #fff7e6;
  transform-origin: bottom;
  transform: scaleY(var(--f));
  transition: transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sc__barw.is-up .sc__bar {
  background: #ffd23f;
}

@keyframes sc-cycle {
  0% {
    transform: scaleY(0);
  }
  55% {
    transform: scaleY(var(--f));
  }
  90% {
    transform: scaleY(var(--f));
  }
  100% {
    transform: scaleY(0);
  }
}
@keyframes sc-d-a {
  0%, 24% {
    visibility: visible;
  }
  25%, 100% {
    visibility: hidden;
  }
}
@keyframes sc-d-b {
  0%, 24% {
    visibility: hidden;
  }
  25%, 54% {
    visibility: visible;
  }
  55%, 100% {
    visibility: hidden;
  }
}
@keyframes sc-d-c {
  0%, 54% {
    visibility: hidden;
  }
  55%, 86% {
    visibility: visible;
  }
  87%, 100% {
    visibility: hidden;
  }
}
@keyframes sc-re-press {
  0%, 82% {
    transform: translateY(0);
  }
  85% {
    transform: translateY(2px) scale(0.95);
  }
  89%, 100% {
    transform: translateY(0) scale(1);
  }
}
@keyframes sc-unit-pop {
  0%, 54% {
    transform: translateY(0);
  }
  58% {
    transform: translateY(-2px);
  }
  62%, 86% {
    transform: translateY(0);
  }
  87%, 100% {
    transform: translateY(0);
  }
}
.sc.is-demo .sc__bar {
  animation-name: sc-cycle;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}
.sc.is-demo .sc__chart .sc__col:nth-child(1) .sc__bar {
  animation-delay: 0s;
}
.sc.is-demo .sc__chart .sc__col:nth-child(2) .sc__bar {
  animation-delay: 80ms;
}
.sc.is-demo .sc__chart .sc__col:nth-child(3) .sc__bar {
  animation-delay: 160ms;
}
.sc.is-demo .sc__chart .sc__col:nth-child(4) .sc__bar {
  animation-delay: 240ms;
}
.sc.is-demo .sc__chart .sc__col:nth-child(5) .sc__bar {
  animation-delay: 320ms;
}
.sc.is-demo .sc__chart .sc__col:nth-child(6) .sc__bar {
  animation-delay: 400ms;
}
.sc.is-demo .sc__d--a {
  animation-name: sc-d-a;
}
.sc.is-demo .sc__d--b {
  animation-name: sc-d-b;
}
.sc.is-demo .sc__d--c {
  animation-name: sc-d-c;
}
.sc.is-demo .sc__d {
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}
.sc.is-demo .sc__re {
  animation-name: sc-re-press;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
}
.sc.is-demo .sc__unit {
  animation-name: sc-unit-pop;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
}

@media (max-width: 340px) {
  .sc {
    padding: 8px;
    font-size: 11px;
  }
  .sc__h {
    margin-bottom: 4px;
  }
  .sc__n {
    font-size: 24px;
  }
  .sc__cap {
    margin-bottom: 4px;
  }
  .sc__chart {
    gap: 4px;
  }
  .sc__barw {
    height: 44px;
  }
  .sc__hr {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .sc__bar {
    transition: none;
  }
  .sc__re:active {
    transform: none;
  }
  .sc.is-demo .sc__bar,
  .sc.is-demo .sc__re,
  .sc.is-demo .sc__unit,
  .sc.is-demo .sc__d {
    animation: none !important;
    transform: none !important;
  }
  .sc.is-demo .sc__bar {
    transform: scaleY(var(--f)) !important;
  }
  .sc.is-demo .sc__d--a, .sc.is-demo .sc__d--b {
    visibility: hidden !important;
  }
  .sc.is-demo .sc__d--c {
    visibility: visible !important;
  }
}

// 실제 동작: 새로 집계를 누르면 숫자가 실제로 올라가고 마지막 막대가 실제로 자란다.
// 숫자가 바뀌는 순간 aria-live 로 다시 읽힌다.
var sc = document.getElementById('sc');
var scN = document.getElementById('sc-n');
var scLast = document.querySelector('.sc__bar--last');
document.getElementById('sc-re').addEventListener('click', function () {
  sc.classList.remove('is-demo');
  var from = Number(scN.getAttribute('data-n'));
  var to = from + 1;
  var t0 = null;
  function tick(ts) {
    if (!t0) { t0 = ts; }
    var p = Math.min(1, (ts - t0) / 400);
    var v = Math.round(from + (to - from) * p);
    scN.textContent = String(v);
    if (p < 1) { requestAnimationFrame(tick); }
  }
  requestAnimationFrame(tick);
  scN.setAttribute('data-n', String(to));
  var w = scLast.parentNode;
  w.style.setProperty('--f', '.85'); // 막대 자체가 실제로 자란다
  scLast.parentNode.classList.add('is-up');
});

import { useEffect, useRef, useState } from "react";
import type { CSSProperties } from "react";
import styles from "./SummaryCounterBars.module.scss";

export type SummaryCounterBarsProps = {
  groupLabel?: string;
  chartLabel?: string;
  heading?: string;
  recountLabel?: string;
  unitLabel?: string;
  hours?: string[];
  bars?: number[]; // 0~1 비율
  startCount?: number;
  demo?: boolean;
  duration?: number;
  easing?: string;
  color?: string;
};

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

/** useRef 의 로컬 타입 — ambient 의 useRef<T> 는 { current: T | null } 를 돌려준다 */
type RafBox = { current: number | null };

function PulseIcon() {
  return (
    <svg viewBox="0 0 256 256" width="1em" height="1em" fill="currentColor">
      <g>
        <path d="m96 40l33.52 88H56Zm104 88h-70.48L160 208Z" opacity=".2" />
        <path d="M240 128a8 8 0 0 1-8 8h-27.06l-37.78 75.58A8 8 0 0 1 160 216h-.4a8 8 0 0 1-7.08-5.14L95.35 60.76l-32.07 70.55A8 8 0 0 1 56 136H24a8 8 0 0 1 0-16h26.85l37.87-83.31a8 8 0 0 1 14.76.46l57.51 151l31.85-63.71A8 8 0 0 1 200 120h32a8 8 0 0 1 8 8" />
      </g>
    </svg>
  );
}

const DEFAULT_HOURS = ["09", "10", "11", "12", "13", "14"];
const DEFAULT_BARS = [0.3, 0.55, 1, 0.8, 0.45, 0.65];

export default function SummaryCounterBars({
  groupLabel = "Today's activity summary",
  chartLabel = "Activity bars by hour — 9am to 2pm",
  heading = "Today's activity",
  recountLabel = "Recount",
  unitLabel = " activities so far",
  hours = DEFAULT_HOURS,
  bars = DEFAULT_BARS,
  startCount = 12,
  demo = true,
  duration = 220,
  easing = "cubic-bezier(.2,.8,.2,1)",
  color = "#fff7e6",
}: SummaryCounterBarsProps) {
  const [live, setLive] = useState(demo);
  const [count, setCount] = useState(startCount);
  const [fracs, setFracs] = useState<number[]>(bars);
  const [up, setUp] = useState(false);
  const rafBox: RafBox = useRef<number | null>(null);

  // 언마운트 대기 중인 rAF 정리
  useEffect(() => () => { if (rafBox.current !== null) cancelAnimationFrame(rafBox.current); }, []);

  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  function recount() {
    setLive(false);
    const from = count;
    const to = count + 1;
    let t0: number | null = null;
    const tick = (ts: number) => {
      if (t0 === null) t0 = ts;
      const p = Math.min(1, (ts - t0) / 400);
      setCount(Math.round(from + (to - from) * p));
      if (p < 1) {
        rafBox.current = requestAnimationFrame(tick);
      }
    };
    rafBox.current = requestAnimationFrame(tick);
    setFracs((f) => f.map((v, i) => (i === f.length - 1 ? 0.85 : v))); // 마지막 막대가 실제로 자란다
    setUp(true);
  }

  const cls = [styles.sc, live ? styles.isDemo : ""].filter(Boolean).join(" ");
  const digits = ["0", "4", String(startCount)];

  return (
    <section className={cls} style={vars} aria-label={groupLabel}>
      <header className={styles.h}>
        <span className={styles.ic} aria-hidden="true"><PulseIcon /></span>
        <h2 className={styles.t}>{heading}</h2>
        <button className={styles.re} type="button" onClick={recount}>{recountLabel}</button>
      </header>
      <p className={styles.cap} aria-live="polite">
        <span className={styles.n}>
          {live ? (
            digits.map((d, i) => (
              <i key={i} className={styles[`d${"ABC"[i]}`]} aria-hidden="true">{d}</i>
            ))
          ) : (
            count
          )}
        </span>
        <span className={styles.unit}>{unitLabel}</span>
      </p>
      <div className={styles.chart} role="img" aria-label={chartLabel}>
        {fracs.map((f, i) => (
          <div key={i} className={styles.col}>
            <span className={[styles.barw, i === fracs.length - 1 && up ? styles.isUp : ""].filter(Boolean).join(" ")} style={{ "--f": f }}>
              <i className={styles.bar}></i>
            </span>
            <span className={styles.hr}>{hours[i]}</span>
          </div>
        ))}
      </div>
    </section>
  );
}