06말풍선 대화 번갈아

<main class="stage">
<div class="ch is-demo" id="ch">
  <button class="ch__hit" type="button" aria-pressed="false" aria-label="내 차례에 말풍선 띄우기">
    <span class="ch__scene" aria-hidden="true">
      <span class="ch__bubble ch__bubble--l"><span class="ch__tail"></span><span class="ch__icon ch__icon--heart"><svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256"><g fill="currentColor"><path d="M232 102c0 66-104 122-104 122S24 168 24 102a54 54 0 0 1 54-54c22.59 0 41.94 12.31 50 32c8.06-19.69 27.41-32 50-32a54 54 0 0 1 54 54" opacity=".2"/><path d="M178 40c-20.65 0-38.73 8.88-50 23.89C116.73 48.88 98.65 40 78 40a62.07 62.07 0 0 0-62 62c0 70 103.79 126.66 108.21 129a8 8 0 0 0 7.58 0C136.21 228.66 240 172 240 102a62.07 62.07 0 0 0-62-62m-50 174.8c-18.26-10.64-96-59.11-96-112.8a46.06 46.06 0 0 1 46-46c19.45 0 35.78 10.36 42.6 27a8 8 0 0 0 14.8 0c6.82-16.67 23.15-27 42.6-27a46.06 46.06 0 0 1 46 46c0 53.61-77.76 102.15-96 112.8"/></g></svg></span></span>
      <span class="ch__bubble ch__bubble--r"><span class="ch__tail"></span><span class="ch__icon ch__icon--cookie"><svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256"><g fill="currentColor"><path d="M224 128a96 96 0 1 1-96-96a48 48 0 0 0 48 48a48 48 0 0 0 48 48" opacity=".2"/><path d="M164.49 163.51a12 12 0 1 1-17 0a12 12 0 0 1 17 0m-81-8a12 12 0 1 0 17 0a12 12 0 0 0-16.98 0Zm9-39a12 12 0 1 0-17 0a12 12 0 0 0 17-.02Zm48-1a12 12 0 1 0 0 17a12 12 0 0 0 0-17M232 128A104 104 0 1 1 128 24a8 8 0 0 1 8 8a40 40 0 0 0 40 40a8 8 0 0 1 8 8a40 40 0 0 0 40 40a8 8 0 0 1 8 8m-16.31 7.39A56.13 56.13 0 0 1 168.5 87.5a56.13 56.13 0 0 1-47.89-47.19a88 88 0 1 0 95.08 95.08"/></g></svg></span></span>
      <span class="ch__char ch__char--l"><span class="ch__eye ch__eye--l1"></span><span class="ch__eye ch__eye--l2"></span><span class="ch__smile"></span></span>
      <span class="ch__char ch__char--r"><span class="ch__eye ch__eye--r1"></span><span class="ch__eye ch__eye--r2"></span><span class="ch__smile"></span></span>
    </span>
  </button>
</div>
</main>

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

// 말풍선 대화 번갈아 — 마주 본 두 캐릭터가 말풍선을 주고받는다.
// 말풍선 등장은 꼬리가 먼저 나왔다가(animation-delay 를 몸보다 60ms 이른 시각으로 잡아 꼬리 키프레임을 따로 돌린다)
// 몸이 펴지는 순서.
// 아이콘은 감정 그림 두 장(하트·쿠키) — 말풍선 안 글자를 로케일 밖으로 두면 번역이 필요 없다.
// 사라짐은 visibility 컷 — opacity 페이드는 두 말풍선이 반투명하게 겹쳐 poster 에 유령을 남긴다.

$duration: $dur-loop;
$easing: $ease-pop;
$color: $subject-mint;

@include stage($stage-yellow);

.ch { width: min(88vw, 400px); display: grid; place-items: center; }
// 뿌리가 vw 폭을 정하고 단추는 그 100% 를 쓴다 — 수축 폭 안에서 % 폭은 0 으로 접힌다
.ch__hit { display: block; width: 100%; border: 0; padding: 0; background: none; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.ch__hit:focus-visible { outline: 2px solid $subject-ink; outline-offset: 4px; border-radius: $r-card; }

.ch__scene {
  position: relative; display: block; box-sizing: border-box;
  width: 100%; aspect-ratio: 16 / 10;
}

// 캐릭터 둘 — 서로를 향해 마주 본다(눈 위치가 안쪽으로 쏠림)
.ch__char {
  position: absolute; bottom: 0; width: 24%; aspect-ratio: 1 / .92;
  border: 3px solid $subject-ink; border-radius: 50% 50% 46% 46% / 44% 44% 56% 56%;
}
.ch__char--l { left: 8%; background: $color; }
.ch__char--r { right: 8%; background: $subject-pink; }
.ch__eye {
  position: absolute; top: 34%; width: 12%; aspect-ratio: 1;
  background: $subject-ink; border-radius: 50%;
}
.ch__eye--l1 { left: 30%; } .ch__eye--l2 { left: 56%; }
.ch__eye--r1 { right: 56%; } .ch__eye--r2 { right: 30%; }
.ch__smile {
  position: absolute; top: 54%; left: 50%; width: 20%; height: 10%;
  border: 3px solid $subject-ink; border-top: 0; border-radius: 0 0 $r-pill $r-pill;
  transform: translateX(-50%);
}

// 말풍선 — 흰 바탕에 먹 테두리. 꼬리는 마름모(회전한 정사각형)로 접착
.ch__bubble {
  position: absolute; top: 4%; width: 30%; aspect-ratio: 1 / .78;
  display: grid; place-items: center;
  background: $stage-paper; border: 3px solid $subject-ink; border-radius: $r-card;
  box-shadow: $shadow-press;
  transform: scale(0);
}
.ch__bubble--l { left: 6%; transform-origin: 20% 100%; }  // 붙는 지점: 꼬리가 캐릭터에 닿는 아래왼쪽
.ch__bubble--r { right: 6%; transform-origin: 80% 100%; }
.ch__tail {
  position: absolute; bottom: -12%; width: 16%; aspect-ratio: 1;
  background: $stage-paper; border-right: 3px solid $subject-ink; border-bottom: 3px solid $subject-ink;
  transform: rotate(45deg);
}
.ch__bubble--l .ch__tail { left: 14%; }
.ch__bubble--r .ch__tail { right: 14%; }
.ch__icon { width: 44%; aspect-ratio: 1; }
.ch__icon svg { display: block; width: 100%; height: 100%; }
.ch__icon--heart { color: $error; }
.ch__icon--cookie { color: $subject-orange-deep; }

// ── 격자 미리보기 루프(2초): 왼쪽 말풍선(0~44%) → 컷 → 오른쪽 말풍선(50~94%) → 컷
.ch.is-demo .ch__bubble--l { animation-name: chPopL; animation-duration: $duration; animation-timing-function: $easing; animation-iteration-count: infinite; }
.ch.is-demo .ch__bubble--r { animation-name: chPopR; animation-duration: $duration; animation-timing-function: $easing; animation-iteration-count: infinite; }
// 꼬리는 몸보다 60ms 먼저 나온다 — 음수 animation-delay 로 같은 루프를 살짝 앞당긴다
.ch.is-demo .ch__tail { animation-name: chTail; animation-duration: $duration; animation-delay: -60ms; animation-timing-function: $easing; animation-iteration-count: infinite; }
// 캐릭터 눈은 말하는 쪽으로 한 번씩 깜빡 — 등장 컷과 어긋나지 않게 같은 주기
.ch.is-demo .ch__eye { animation-name: chBlink; animation-duration: $duration; animation-timing-function: steps(1, end); animation-iteration-count: infinite; }
@keyframes chPopL {
  0% { transform: scale(0); }
  10% { transform: scale(1.08); }
  16%, 44% { transform: scale(1); }
  45%, 100% { transform: scale(0); }
}
@keyframes chPopR {
  0%, 49% { transform: scale(0); }
  50% { transform: scale(0); }
  60% { transform: scale(1.08); }
  66%, 94% { transform: scale(1); }
  95%, 100% { transform: scale(0); }
}
@keyframes chBlink {
  0%, 19% { transform: scaleY(1); }
  20%, 24% { transform: scaleY(.1); }
  25%, 69% { transform: scaleY(1); }
  70%, 74% { transform: scaleY(.1); }
  75%, 100% { transform: scaleY(1); }
}
// 꼬리 — 몸보다 한 발 먼저 살아나 scale(1) 을 유지하다 몸이 사라질 때 같이 접힌다
@keyframes chTail {
  0% { transform: rotate(45deg) scale(0); }
  4%, 44% { transform: rotate(45deg) scale(1); }
  45%, 49% { transform: rotate(45deg) scale(0); }
  50% { transform: rotate(45deg) scale(0); }
  54%, 94% { transform: rotate(45deg) scale(1); }
  95%, 100% { transform: rotate(45deg) scale(0); }
}

// ── 내 차례: 누르면 왼쪽(내 쪽) 말풍선이 떠 있는 채로 고정된다(정적 규칙)
.ch.mine .ch__bubble--l { animation: none; transform: scale(1); }
.ch.mine .ch__bubble--r { animation: none; transform: scale(0); }

// ── 좁은 화면: 장면은 16/10 고정비라 폭이 곧 높이다 — 무대 세로(320×200, 패딩 제외 174px) 안으로 폭을 줄인다
@media (max-width: 340px) {
  .ch { width: min(84vw, 400px); }  // 320px 기준 268.8 × 10/16 = 168px
  .ch__char, .ch__bubble, .ch__smile { border-width: 2px; }
  .ch__tail { border-width: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  // 번갈아 뜨기를 끊면 두 캐릭터가 말풍선 없이 마주 본 채 선다 — 누르면 내 말풍선이 뜬다
  .ch.is-demo .ch__bubble--l,
  .ch.is-demo .ch__bubble--r,
  .ch.is-demo .ch__tail,
  .ch.is-demo .ch__eye {
    animation: none !important;
  }
}

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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.ch {
  width: min(88vw, 400px);
  display: grid;
  place-items: center;
}

.ch__hit {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ch__hit:focus-visible {
  outline: 2px solid #17141a;
  outline-offset: 4px;
  border-radius: 16px;
}

.ch__scene {
  position: relative;
  display: block;
  box-sizing: border-box;
  width: 100%;
  aspect-ratio: 16/10;
}

.ch__char {
  position: absolute;
  bottom: 0;
  width: 24%;
  aspect-ratio: 1/0.92;
  border: 3px solid #17141a;
  border-radius: 50% 50% 46% 46%/44% 44% 56% 56%;
}

.ch__char--l {
  left: 8%;
  background: #4cd4a6;
}

.ch__char--r {
  right: 8%;
  background: #ff9ebb;
}

.ch__eye {
  position: absolute;
  top: 34%;
  width: 12%;
  aspect-ratio: 1;
  background: #17141a;
  border-radius: 50%;
}

.ch__eye--l1 {
  left: 30%;
}

.ch__eye--l2 {
  left: 56%;
}

.ch__eye--r1 {
  right: 56%;
}

.ch__eye--r2 {
  right: 30%;
}

.ch__smile {
  position: absolute;
  top: 54%;
  left: 50%;
  width: 20%;
  height: 10%;
  border: 3px solid #17141a;
  border-top: 0;
  border-radius: 0 0 999px 999px;
  transform: translateX(-50%);
}

.ch__bubble {
  position: absolute;
  top: 4%;
  width: 30%;
  aspect-ratio: 1/0.78;
  display: grid;
  place-items: center;
  background: #ffffff;
  border: 3px solid #17141a;
  border-radius: 16px;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  transform: scale(0);
}

.ch__bubble--l {
  left: 6%;
  transform-origin: 20% 100%;
}

.ch__bubble--r {
  right: 6%;
  transform-origin: 80% 100%;
}

.ch__tail {
  position: absolute;
  bottom: -12%;
  width: 16%;
  aspect-ratio: 1;
  background: #ffffff;
  border-right: 3px solid #17141a;
  border-bottom: 3px solid #17141a;
  transform: rotate(45deg);
}

.ch__bubble--l .ch__tail {
  left: 14%;
}

.ch__bubble--r .ch__tail {
  right: 14%;
}

.ch__icon {
  width: 44%;
  aspect-ratio: 1;
}

.ch__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.ch__icon--heart {
  color: #c2361a;
}

.ch__icon--cookie {
  color: #c93000;
}

.ch.is-demo .ch__bubble--l {
  animation-name: chPopL;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
}

.ch.is-demo .ch__bubble--r {
  animation-name: chPopR;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
}

.ch.is-demo .ch__tail {
  animation-name: chTail;
  animation-duration: 2s;
  animation-delay: -60ms;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
}

.ch.is-demo .ch__eye {
  animation-name: chBlink;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

@keyframes chPopL {
  0% {
    transform: scale(0);
  }
  10% {
    transform: scale(1.08);
  }
  16%, 44% {
    transform: scale(1);
  }
  45%, 100% {
    transform: scale(0);
  }
}
@keyframes chPopR {
  0%, 49% {
    transform: scale(0);
  }
  50% {
    transform: scale(0);
  }
  60% {
    transform: scale(1.08);
  }
  66%, 94% {
    transform: scale(1);
  }
  95%, 100% {
    transform: scale(0);
  }
}
@keyframes chBlink {
  0%, 19% {
    transform: scaleY(1);
  }
  20%, 24% {
    transform: scaleY(0.1);
  }
  25%, 69% {
    transform: scaleY(1);
  }
  70%, 74% {
    transform: scaleY(0.1);
  }
  75%, 100% {
    transform: scaleY(1);
  }
}
@keyframes chTail {
  0% {
    transform: rotate(45deg) scale(0);
  }
  4%, 44% {
    transform: rotate(45deg) scale(1);
  }
  45%, 49% {
    transform: rotate(45deg) scale(0);
  }
  50% {
    transform: rotate(45deg) scale(0);
  }
  54%, 94% {
    transform: rotate(45deg) scale(1);
  }
  95%, 100% {
    transform: rotate(45deg) scale(0);
  }
}
.ch.mine .ch__bubble--l {
  animation: none;
  transform: scale(1);
}

.ch.mine .ch__bubble--r {
  animation: none;
  transform: scale(0);
}

@media (max-width: 340px) {
  .ch {
    width: min(84vw, 400px);
  }
  .ch__char, .ch__bubble, .ch__smile {
    border-width: 2px;
  }
  .ch__tail {
    border-width: 2px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ch.is-demo .ch__bubble--l,
  .ch.is-demo .ch__bubble--r,
  .ch.is-demo .ch__tail,
  .ch.is-demo .ch__eye {
    animation: none !important;
  }
}

var ch = document.getElementById('ch');

// 누르면 왼쪽(내 쪽) 말풍선이 즉시 뜬다 — 상태는 aria-pressed 한 곳, 보임은 CSS 가 고른다
document.querySelector('.ch__hit').addEventListener('click', function () {
  ch.classList.remove('is-demo');
  var on = ch.classList.toggle('mine');
  this.setAttribute('aria-pressed', String(on));
});
ch.addEventListener('pointerdown', function () { ch.classList.remove('is-demo'); });

// CuteSpeechBubbleChatter — vanilla 판(run/075/demo/06-cute-speech-bubble-chatter) 의 React 포트.
// 누르면 왼쪽(내 쪽) 말풍선이 즉시 뜬다 — 상태는 aria-pressed 한 곳, 보임은 CSS 가 고른다.
import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./CuteSpeechBubbleChatter.module.scss";

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

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

const HEART_SVG = (
  <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256"><g fill="currentColor"><path d="M232 102c0 66-104 122-104 122S24 168 24 102a54 54 0 0 1 54-54c22.59 0 41.94 12.31 50 32c8.06-19.69 27.41-32 50-32a54 54 0 0 1 54 54" opacity=".2"/><path d="M178 40c-20.65 0-38.73 8.88-50 23.89C116.73 48.88 98.65 40 78 40a62.07 62.07 0 0 0-62 62c0 70 103.79 126.66 108.21 129a8 8 0 0 0 7.58 0C136.21 228.66 240 172 240 102a62.07 62.07 0 0 0-62-62m-50 174.8c-18.26-10.64-96-59.11-96-112.8a46.06 46.06 0 0 1 46-46c19.45 0 35.78 10.36 42.6 27a8 8 0 0 0 14.8 0c6.82-16.67 23.15-27 42.6-27a46.06 46.06 0 0 1 46 46c0 53.61-77.76 102.15-96 112.8"/></g></svg>
);
const COOKIE_SVG = (
  <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256"><g fill="currentColor"><path d="M224 128a96 96 0 1 1-96-96a48 48 0 0 0 48 48a48 48 0 0 0 48 48" opacity=".2"/><path d="M164.49 163.51a12 12 0 1 1-17 0a12 12 0 0 1 17 0m-81-8a12 12 0 1 0 17 0a12 12 0 0 0-16.98 0Zm9-39a12 12 0 1 0-17 0a12 12 0 0 0 17-.02Zm48-1a12 12 0 1 0 0 17a12 12 0 0 0 0-17M232 128A104 104 0 1 1 128 24a8 8 0 0 1 8 8a40 40 0 0 0 40 40a8 8 0 0 1 8 8a40 40 0 0 0 40 40a8 8 0 0 1 8 8m-16.31 7.39A56.13 56.13 0 0 1 168.5 87.5a56.13 56.13 0 0 1-47.89-47.19a88 88 0 1 0 95.08 95.08"/></g></svg>
);

export default function CuteSpeechBubbleChatter(props: CuteSpeechBubbleChatterProps) {
  const duration = props.duration ?? 2000;
  const easing = props.easing ?? "cubic-bezier(.2, 1.4, .4, 1)";
  const color = props.color ?? "#4cd4a6";
  const [mine, setMine] = useState<boolean>(false);
  const [preview, setPreview] = useState<boolean>(true);
  const vars: Vars = { "--duration": duration + "ms", "--easing": easing, "--color": color };

  return (
    <main className={styles.stage}>
      <div
        className={styles.ch + (preview ? " " + styles.isDemo : "") + (mine ? " " + styles.mine : "")}
        style={vars}
      >
        <button
          className={styles.hit}
          type="button"
          aria-pressed={mine}
          aria-label="내 차례에 말풍선 띄우기"
          onClick={() => setMine(!mine)}
          onPointerDown={() => setPreview(false)}
        >
          <span className={styles.scene} aria-hidden="true">
            <span className={styles.bubble + " " + styles.bubbleL}>
              <span className={styles.tail}></span>
              <span className={styles.icon + " " + styles.iconHeart}>{HEART_SVG}</span>
            </span>
            <span className={styles.bubble + " " + styles.bubbleR}>
              <span className={styles.tail}></span>
              <span className={styles.icon + " " + styles.iconCookie}>{COOKIE_SVG}</span>
            </span>
            <span className={styles.char + " " + styles.charL}>
              <span className={styles.eye + " " + styles.eyeL1}></span>
              <span className={styles.eye + " " + styles.eyeL2}></span>
              <span className={styles.smile}></span>
            </span>
            <span className={styles.char + " " + styles.charR}>
              <span className={styles.eye + " " + styles.eyeR1}></span>
              <span className={styles.eye + " " + styles.eyeR2}></span>
              <span className={styles.smile}></span>
            </span>
          </span>
        </button>
      </div>
    </main>
  );
}