09Live chat bubble embed launcher

<main class="stage is-demo">
  <div class="lchat">
    <div class="lchat__panel" hidden>
      <header class="lchat__head">
        <span>Live chat</span>
        <button class="lchat__close" type="button" aria-label="Close">
          <svg viewBox="0 0 256 256" width="16" height="16" aria-hidden="true"><g fill="currentColor"><path d="M224 128a96 96 0 1 1-96-96a96 96 0 0 1 96 96" opacity=".2"/><path d="M165.66 101.66L139.31 128l26.35 26.34a8 8 0 0 1-11.32 11.32L128 139.31l-26.34 26.35a8 8 0 0 1-11.32-11.32L116.69 128l-26.35-26.34a8 8 0 0 1 11.32-11.32L128 116.69l26.34-26.35a8 8 0 0 1 11.32 11.32M232 128A104 104 0 1 1 128 24a104.11 104.11 0 0 1 104 104m-16 0a88 88 0 1 0-88 88a88.1 88.1 0 0 0 88-88"/></g></svg>
        </button>
      </header>
      <p class="lchat__msg">Hi! How can we help?</p>
      <div class="lchat__input-row">
        <input class="lchat__input" type="text" placeholder="Type a message" aria-label="Message">
        <button class="lchat__send" type="button">Send</button>
      </div>
    </div>
    <button class="lchat__launcher" type="button" aria-label="Open chat" aria-expanded="false">
      <span class="lchat__ring" aria-hidden="true"></span>
      <svg viewBox="0 0 256 256" width="24" height="24" aria-hidden="true"><g fill="currentColor"><path d="M224 128a96 96 0 0 1-144.07 83.11l-37.39 12.47a8 8 0 0 1-10.12-10.12l12.47-37.39A96 96 0 1 1 224 128" opacity=".2"/><path d="M128 24a104 104 0 0 0-91.82 152.88l-11.35 34.05a16 16 0 0 0 20.24 20.24l34.05-11.35A104 104 0 1 0 128 24m0 192a87.87 87.87 0 0 1-44.06-11.81a8 8 0 0 0-4-1.08a7.9 7.9 0 0 0-2.53.42L40 216l12.47-37.4a8 8 0 0 0-.66-6.54A88 88 0 1 1 128 216m12-88a12 12 0 1 1-12-12a12 12 0 0 1 12 12m-44 0a12 12 0 1 1-12-12a12 12 0 0 1 12 12m88 0a12 12 0 1 1-12-12a12 12 0 0 1 12 12"/></g></svg>
      <span class="lchat__badge">2</span>
    </button>
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;   // 2s — 런처 둘레 링이 신호를 보내는 한 주기
$easing: $ease-out;
$color: $subject-lilac;

@include stage($stage-orange);

.lchat {
  position: relative;
  width: 260px;
  height: 150px;
}

.lchat__launcher {
  position: absolute;
  right: 0; bottom: 0;
  width: 60px; height: 60px;
  border-radius: 50%;
  border: 0;
  display: grid; place-items: center;
  background: linear-gradient(150deg, $subject-pink, $color);
  color: $subject-ink;   // 파스텔 면 위 흰 글자는 2.20:1 — 잉크로 9.43:1
  cursor: pointer;
  box-shadow: $shadow-raised;
}

.lchat__ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .6);
  opacity: 0;
  transform: scale(.85);
}

.lchat__badge {
  position: absolute;
  top: -4px; right: -4px;
  min-width: 20px; height: 20px;
  border-radius: $r-pill;
  background: $subject-ink;   // 흰 배경 + 라일락 글자는 2.20:1 — 먹 배경 + 크림 글자로
  color: $subject-cream;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 800;
  box-shadow: 0 0 0 2px $stage-orange;
}

.lchat__panel {
  position: absolute;
  right: 0; bottom: 72px;
  width: 224px;
  padding: $sp-3;
  border-radius: $r-card;
  background: #fff;
  box-shadow: $shadow-raised;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.lchat__head { display: flex; align-items: center; justify-content: space-between; font-size: 12px; font-weight: 700; color: $stage-ink; }
.lchat__close { border: 0; background: none; padding: 0; color: #6b6875; cursor: pointer; }

.lchat__msg { margin: $sp-2 0; padding: $sp-2; border-radius: $r-sm; background: #f4f0fa; font-size: 12px; color: #3a2f1f; }

.lchat__input-row { display: flex; gap: $sp-1; }
.lchat__input { flex: 1 1 auto; min-width: 0; border: 1px solid #e7e5ea; border-radius: $r-sm; padding: $sp-1 $sp-2; font-size: 12px; font-family: inherit; }
.lchat__send { flex: 0 0 auto; border: 0; border-radius: $r-sm; background: $color; color: #fff; padding: $sp-1 $sp-2; font-size: 12px; cursor: pointer; }

// 자동 재생 루프 — 링이 레이더처럼 퍼지고 배지가 숨쉰다
.stage.is-demo .lchat__ring { animation: lchat-ping $duration $easing infinite; }
.stage.is-demo .lchat__badge { animation: lchat-bounce $duration $ease-pop infinite; }

@keyframes lchat-ping {
  0% { opacity: .5; transform: scale(.85); }
  70% { opacity: 0; transform: scale(1.25); }
  100% { opacity: 0; transform: scale(1.25); }
}

@keyframes lchat-bounce {
  0%, 40%, 100% { transform: scale(1); }
  20% { transform: scale(1.25); }
}

@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .lchat__ring { animation: none; opacity: 0; }
  .stage.is-demo .lchat__badge { animation: none; }
}

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);
}

.lchat {
  position: relative;
  width: 260px;
  height: 150px;
}

.lchat__launcher {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, #ff9ebb, #b9a0ff);
  color: #17141a;
  cursor: pointer;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.lchat__ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  opacity: 0;
  transform: scale(0.85);
}

.lchat__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  background: #17141a;
  color: #fff7e6;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 800;
  box-shadow: 0 0 0 2px #ff4d1f;
}

.lchat__panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: 224px;
  padding: 12px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.lchat__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: #17141a;
}

.lchat__close {
  border: 0;
  background: none;
  padding: 0;
  color: #6b6875;
  cursor: pointer;
}

.lchat__msg {
  margin: 8px 0;
  padding: 8px;
  border-radius: 8px;
  background: #f4f0fa;
  font-size: 12px;
  color: #3a2f1f;
}

.lchat__input-row {
  display: flex;
  gap: 4px;
}

.lchat__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid #e7e5ea;
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 12px;
  font-family: inherit;
}

.lchat__send {
  flex: 0 0 auto;
  border: 0;
  border-radius: 8px;
  background: #b9a0ff;
  color: #fff;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
}

.stage.is-demo .lchat__ring {
  animation: lchat-ping 2s ease-out infinite;
}

.stage.is-demo .lchat__badge {
  animation: lchat-bounce 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes lchat-ping {
  0% {
    opacity: 0.5;
    transform: scale(0.85);
  }
  70% {
    opacity: 0;
    transform: scale(1.25);
  }
  100% {
    opacity: 0;
    transform: scale(1.25);
  }
}
@keyframes lchat-bounce {
  0%, 40%, 100% {
    transform: scale(1);
  }
  20% {
    transform: scale(1.25);
  }
}
@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .lchat__ring {
    animation: none;
    opacity: 0;
  }
  .stage.is-demo .lchat__badge {
    animation: none;
  }
}

// 실제 동작: 런처를 누르면 채팅 패널이 실제로 열리고 닫히며, 열릴 때 입력창에 포커스가 간다(스크롤은 강제하지 않는다).
var launcher = document.querySelector('.lchat__launcher');
var panel = document.querySelector('.lchat__panel');
var closeBtn = document.querySelector('.lchat__close');
var input = document.querySelector('.lchat__input');
var badge = document.querySelector('.lchat__badge');
function open() {
  panel.hidden = false;
  launcher.setAttribute('aria-expanded', 'true');
  badge.hidden = true;
  input.focus({ preventScroll: true });
}
function close() {
  panel.hidden = true;
  launcher.setAttribute('aria-expanded', 'false');
}
launcher.addEventListener('click', function () {
  if (panel.hidden) open(); else close();
});
closeBtn.addEventListener('click', close);

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

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

export default function LiveChatBubble({ duration = 2000, easing = "ease-out", color = "#b9a0ff", unread = 2 }: LiveChatBubbleProps) {
  const vars: CSSProperties = { "--duration": `${duration}ms`, "--easing": easing, "--color": color } as CSSProperties;
  const [open, setOpen] = useState(false);
  const [seen, setSeen] = useState(false);
  const inputRef = useRef<HTMLInputElement>(null);

  function toggle() {
    const next = !open;
    setOpen(next);
    if (next) {
      setSeen(true);
      requestAnimationFrame(() => inputRef.current?.focus({ preventScroll: true }));
    }
  }

  return (
    <div className={styles.wrap} style={vars}>
      {open && (
        <div className={styles.panel}>
          <header className={styles.head}>
            <span>실시간 문의</span>
            <button className={styles.close} type="button" aria-label="닫기" onClick={() => setOpen(false)}>
              <svg viewBox="0 0 256 256" width="16" height="16" aria-hidden="true"><g fill="currentColor">
                <path opacity=".2" d="M224 128a96 96 0 1 1-96-96a96 96 0 0 1 96 96" />
                <path d="M165.66 101.66L139.31 128l26.35 26.34a8 8 0 0 1-11.32 11.32L128 139.31l-26.34 26.35a8 8 0 0 1-11.32-11.32L116.69 128l-26.35-26.34a8 8 0 0 1 11.32-11.32L128 116.69l26.34-26.35a8 8 0 0 1 11.32 11.32M232 128A104 104 0 1 1 128 24a104.11 104.11 0 0 1 104 104m-16 0a88 88 0 1 0-88 88a88.1 88.1 0 0 0 88-88" />
              </g></svg>
            </button>
          </header>
          <p className={styles.msg}>안녕하세요! 무엇을 도와드릴까요?</p>
          <div className={styles.inputRow}>
            <input ref={inputRef} className={styles.input} type="text" placeholder="메시지를 입력하세요" aria-label="메시지" />
            <button className={styles.send} type="button">전송</button>
          </div>
        </div>
      )}
      <button className={styles.launcher} type="button" aria-label="채팅 열기" aria-expanded={open} onClick={toggle}>
        <span className={styles.ring} aria-hidden="true" />
        <svg viewBox="0 0 256 256" width="24" height="24" aria-hidden="true"><g fill="currentColor">
          <path opacity=".2" d="M224 128a96 96 0 0 1-144.07 83.11l-37.39 12.47a8 8 0 0 1-10.12-10.12l12.47-37.39A96 96 0 1 1 224 128" />
          <path d="M128 24a104 104 0 0 0-91.82 152.88l-11.35 34.05a16 16 0 0 0 20.24 20.24l34.05-11.35A104 104 0 1 0 128 24m0 192a87.87 87.87 0 0 1-44.06-11.81a8 8 0 0 0-4-1.08a7.9 7.9 0 0 0-2.53.42L40 216l12.47-37.4a8 8 0 0 0-.66-6.54A88 88 0 1 1 128 216m12-88a12 12 0 1 1-12-12a12 12 0 0 1 12 12m-44 0a12 12 0 1 1-12-12a12 12 0 0 1 12 12m88 0a12 12 0 1 1-12-12a12 12 0 0 1 12 12" />
        </g></svg>
        {!seen && <span className={styles.badge}>{unread}</span>}
      </button>
    </div>
  );
}