05Emoji reaction popup picker

<main class="stage">
  <div class="rp is-demo">
    <div class="rp__pop" role="menu" aria-label="Emoji reactions">
      <button type="button" class="rp__emoji" role="menuitem" aria-label="Like">👍</button>
      <button type="button" class="rp__emoji" role="menuitem" aria-label="Haha">😂</button>
      <button type="button" class="rp__emoji" role="menuitem" aria-label="Awesome">🎉</button>
      <button type="button" class="rp__emoji" role="menuitem" aria-label="Sad">😢</button>
    </div>
    <button type="button" class="rp__trigger" aria-haspopup="true" aria-expanded="false">React</button>
  </div>
</main>

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

// ── 변수 3개 ──────────────────────────────
$duration: $dur-base;
$easing: $ease-spring;
$color: $subject-cream;

@include stage($stage-ink);

.rp { position: relative; display: inline-flex; }
.rp__trigger {
  padding: $sp-2 $sp-5;
  border: 0;
  border-radius: $r-pill;
  background: $subject-blue-deep;
  color: $subject-cream;
  font-weight: 700;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.rp__pop {
  position: absolute;
  bottom: calc(100% + #{$sp-2});
  left: 50%;
  display: flex;
  gap: $sp-1;
  padding: $sp-1 $sp-2;
  border-radius: $r-pill;
  background: $color;
  box-shadow: $shadow-raised;
  transform: translate(-50%, $sp-2) scale(.85);
  opacity: 0;
  pointer-events: none;
  transition: transform $duration $easing, opacity $duration $easing;
}
.rp.is-open .rp__pop { opacity: 1; transform: translate(-50%, 0) scale(1); pointer-events: auto; }
// 열림 젤리 보강: 세로로 늘어난 뒤 안착 (기존 transition 은 유지, is-open 애니메이션이 이긴다)
.rp.is-open .rp__pop { animation: rp-pop-jelly $duration $easing; transform-origin: bottom center; }
@keyframes rp-pop-jelly {
  0%   { transform: translate(-50%, 8px) scale(.9, .78); }
  55%  { transform: translate(-50%, 0) scale(.96, 1.12); }
  80%  { transform: translate(-50%, 0) scale(1.03, .96); }
  100% { transform: translate(-50%, 0) scale(1, 1); }
}
.rp__emoji {
  border: 0; background: none; font-size: 22px; line-height: 1; padding: $sp-1;
  cursor: pointer; border-radius: $r-sm;
  transition: transform $dur-instant $easing;
}
.rp__emoji:hover, .rp__emoji:focus-visible { transform: translateY(-4px); }

@media (prefers-reduced-motion: reduce) {
  .rp__pop, .rp__emoji { transition: none; }
  .rp.is-open .rp__pop { 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: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.rp {
  position: relative;
  display: inline-flex;
}

.rp__trigger {
  padding: 8px 20px;
  border: 0;
  border-radius: 999px;
  background: #0a4fe8;
  color: #fff7e6;
  font-weight: 700;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.rp__pop {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  display: flex;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #fff7e6;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  transform: translate(-50%, 8px) scale(0.85);
  opacity: 0;
  pointer-events: none;
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.rp.is-open .rp__pop {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
  pointer-events: auto;
}

.rp.is-open .rp__pop {
  animation: rp-pop-jelly 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transform-origin: bottom center;
}

@keyframes rp-pop-jelly {
  0% {
    transform: translate(-50%, 8px) scale(0.9, 0.78);
  }
  55% {
    transform: translate(-50%, 0) scale(0.96, 1.12);
  }
  80% {
    transform: translate(-50%, 0) scale(1.03, 0.96);
  }
  100% {
    transform: translate(-50%, 0) scale(1, 1);
  }
}
.rp__emoji {
  border: 0;
  background: none;
  font-size: 22px;
  line-height: 1;
  padding: 4px;
  cursor: pointer;
  border-radius: 8px;
  transition: transform 140ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.rp__emoji:hover, .rp__emoji:focus-visible {
  transform: translateY(-4px);
}

@media (prefers-reduced-motion: reduce) {
  .rp__pop, .rp__emoji {
    transition: none;
  }
  .rp.is-open .rp__pop {
    animation: none !important;
  }
}

// 실제 동작: 버튼을 누르면 팝업이 열리고 aria-expanded 가 바뀐다. Esc 로 닫힘 (11줄)
var rp = document.querySelector('.rp'), trigger = rp.querySelector('.rp__trigger');
function setOpen(v) { rp.classList.toggle('is-open', v); trigger.setAttribute('aria-expanded', String(v)); }
trigger.addEventListener('click', function () { rp.classList.remove('is-demo'); clearInterval(loop); setOpen(!rp.classList.contains('is-open')); });
document.addEventListener('keydown', function (e) { if (e.key === 'Escape') setOpen(false); });
// .is-demo 자동 순환 — 열림/닫힘을 반복한다 (실제 클릭이 오면 멈춘다)
var open = false;
var loop = setInterval(function () { open = !open; rp.classList.toggle('is-open', open); }, 900);

import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./EmojiReactionPopupPicker.module.scss";

export type EmojiOption = { emoji: string; label: string };
export type EmojiReactionPopupPickerProps = {
  triggerLabel?: string;
  emojis?: EmojiOption[];
  duration?: number;
  easing?: string;
  accentColor?: string;
};

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

export default function EmojiReactionPopupPicker({
  triggerLabel = "React",
  emojis = [
    { emoji: "👍", label: "Like" },
    { emoji: "😂", label: "Haha" },
    { emoji: "🎉", label: "Awesome" },
    { emoji: "😢", label: "Sad" },
  ],
  duration = 300,
  easing = "cubic-bezier(.2,.8,.2,1)",
  accentColor = "#0a4fe8",
}: EmojiReactionPopupPickerProps) {
  const [open, setOpen] = useState(false);
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--accent": accentColor };

  return (
    <div className={styles.rp} style={vars} onKeyDown={(e: { key: string }) => e.key === "Escape" && setOpen(false)}>
      <div className={styles.pop} role="menu" aria-label="Emoji reactions" data-open={open}>
        {emojis.map((e) => (
          <button key={e.label} type="button" className={styles.emoji} role="menuitem" aria-label={e.label} onClick={() => setOpen(false)}>
            {e.emoji}
          </button>
        ))}
      </div>
      <button type="button" className={styles.trigger} aria-haspopup="true" aria-expanded={open} onClick={() => setOpen((v) => !v)}>
        {triggerLabel}
      </button>
    </div>
  );
}