01Install command copy box

<main class="stage">
<div class="ic is-demo" id="ic" data-mgr="npm">
  <div class="ic__tabs" role="tablist" aria-label="Package manager">
    <button class="ic__tab" type="button" role="tab" id="tabNpm" aria-selected="true" data-mgr="npm">npm</button>
    <button class="ic__tab" type="button" role="tab" id="tabPnpm" aria-selected="false" data-mgr="pnpm">pnpm</button>
    <button class="ic__tab" type="button" role="tab" id="tabYarn" aria-selected="false" data-mgr="yarn">yarn</button>
  </div>
  <div class="ic__row">
    <span class="ic__sign" aria-hidden="true">$</span>
    <span class="ic__slot">
      <code class="ic__cmd" data-mgr="npm">npm i <b>motionkit</b></code>
      <code class="ic__cmd" data-mgr="pnpm">pnpm add <b>motionkit</b></code>
      <code class="ic__cmd" data-mgr="yarn">yarn add <b>motionkit</b></code>
    </span>
    <button class="ic__copy" type="button" id="copyBtn">
      <span class="ic__ico" aria-hidden="true"><svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256"><g fill="currentColor"><path d="M216 40v128h-48V88H88V40Z" opacity=".2"/><path d="M216 32H88a8 8 0 0 0-8 8v40H40a8 8 0 0 0-8 8v128a8 8 0 0 0 8 8h128a8 8 0 0 0 8-8v-40h40a8 8 0 0 0 8-8V40a8 8 0 0 0-8-8m-56 176H48V96h112Zm48-48h-32V88a8 8 0 0 0-8-8H96V48h112Z"/></g></svg></span>
      <span class="ic__word">Copy command</span>
    </button>
  </div>
  <p class="ic__note" id="note" aria-live="polite">Copied to your clipboard</p>
</div>
</main>

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

// 설치 명령 복사 상자 — 같은 패키지를 npm·pnpm·yarn 문법으로 갈아 끼우고 그 줄을 클립보드에 넣는다.
// 명령 세 줄은 같은 격자 칸(grid-area: 1 / 1)에 겹쳐 두어 문법이 바뀌어도 줄 높이가 흔들리지 않는다.
// 격자 미리보기(.is-demo)는 npm → pnpm → yarn 을 steps(1, end) 로 컷 전환하고,
// 그 사이 복사 버튼이 한 번 채워졌다가 90% 안에 되돌아오는 2초 루프.
// 고정폭 서체는 font 단축이 아니라 font-family 낱개로 준다 (BD20).

$duration: $dur-quick;
$easing: $ease-spring;
$color: $chart-3;
$mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
$line: rgba(255, 255, 255, .16);
$dim: rgba(255, 255, 255, .58);

@include stage($stage-ink);

.ic {
  display: flex; flex-direction: column; gap: $sp-2;
  box-sizing: border-box; width: min(100%, 400px);
  padding: $sp-3; border: 1px solid $line; border-radius: $r-card;
  background: rgba(255, 255, 255, .05);
  font-family: $mono;
}

// ── 관리자 탭: 인디케이터를 밀지 않고 탭마다 자기 밑줄을 켠다 (BD19 회피)
.ic__tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: $sp-1; }
.ic__tab {
  box-sizing: border-box; width: 100%; padding: $sp-1 0;
  border: 0; border-bottom: 2px solid transparent; border-radius: 0;
  background: none; color: $dim; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: clamp(11px, 3vw, 12px); line-height: 1.4;
  transition: color $duration $easing, border-color $duration $easing;
}
.ic__tab[aria-selected="true"] { color: $subject-cream; border-bottom-color: $color; }
.ic__tab:focus-visible { outline: 2px solid $subject-blue; outline-offset: 2px; }

// ── 명령 줄
.ic__row { display: flex; align-items: center; gap: $sp-2; min-width: 0; }
.ic__sign { flex: 0 0 auto; color: $color; font-weight: 700; font-size: clamp(12px, 3.2vw, 13px); line-height: 1.4; }
.ic__slot { display: grid; flex: 1 1 auto; min-width: 0; }
.ic__slot > * { grid-area: 1 / 1; }
.ic__cmd {
  color: $subject-cream; font-family: inherit; font-weight: 500;
  font-size: clamp(11px, 3vw, 13px); line-height: 1.4;
  white-space: nowrap; overflow: hidden; visibility: hidden;
}
.ic__cmd b { color: $stage-yellow; font-weight: 700; }
.ic[data-mgr="npm"] .ic__cmd[data-mgr="npm"],
.ic[data-mgr="pnpm"] .ic__cmd[data-mgr="pnpm"],
.ic[data-mgr="yarn"] .ic__cmd[data-mgr="yarn"] { visibility: visible; }

// ── 복사 버튼: 채움은 배경 요소를 scaleX 로 늘려 왼쪽 변에서 자란다 (blog-demo 규칙 8 의 붙는 지점)
.ic__copy {
  position: relative; overflow: hidden; flex: 0 0 auto;
  display: inline-flex; align-items: center; gap: $sp-1;
  box-sizing: border-box; min-height: 28px; padding: 0 $sp-2;
  border: 1px solid $line; border-radius: $r-control;
  background: rgba(255, 255, 255, .06); color: $subject-cream; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: clamp(10px, 2.8vw, 11px); line-height: 1;
}
.ic__copy::before {
  content: ""; position: absolute; inset: 0; background: $color;
  transform: scaleX(0); transform-origin: left center;
  transition: transform $duration $easing;
}
.ic.is-done .ic__copy::before { transform: scaleX(1); }
.ic.is-done .ic__copy { color: $stage-ink; }
.ic__copy:focus-visible { outline: 2px solid $subject-blue; outline-offset: 2px; }
.ic__ico, .ic__word { position: relative; }
.ic__ico { display: grid; place-items: center; font-size: 14px; }

// ── 상태 줄: 복사 뒤에만 보인다. 자리는 늘 차지해 줄 수가 흔들리지 않는다.
// aria-live="polite" 를 단 칸이라 글자가 다시 들어오는 순간 한 번 읽힌다
.ic__note {
  margin: 0; min-height: 14px; color: $color; visibility: hidden;
  font-family: inherit; font-weight: 500; font-size: clamp(10px, 2.6vw, 11px); line-height: 1.3;
  transform: translateY(4px); transition: transform $duration $easing;
}
.ic.is-done .ic__note { visibility: visible; transform: translateY(0); }

// ── 격자 미리보기 루프 (2초)
// 0~33% npm · 34~66% pnpm · 67~100% yarn 을 컷으로 갈고, 8~30% 에 복사 채움이 지나간다.
// 되돌림은 0% 경계에서만 일어나 복귀 프레임이 poster 로 뽑히지 않는다 (blog-demo 「복귀 90%」)
.ic.is-demo .ic__cmd,
.ic.is-demo .ic__tab {
  animation-duration: $dur-loop; animation-timing-function: steps(1, end);
  animation-iteration-count: infinite; animation-fill-mode: backwards;
}
.ic.is-demo .ic__cmd[data-mgr="npm"] { animation-name: icShow1; }
.ic.is-demo .ic__cmd[data-mgr="pnpm"] { animation-name: icShow2; }
.ic.is-demo .ic__cmd[data-mgr="yarn"] { animation-name: icShow3; }
@keyframes icShow1 {
  0%, 33% { visibility: visible; }
  34%, 100% { visibility: hidden; }
}
@keyframes icShow2 {
  0%, 33% { visibility: hidden; }
  34%, 66% { visibility: visible; }
  67%, 100% { visibility: hidden; }
}
@keyframes icShow3 {
  0%, 66% { visibility: hidden; }
  67%, 100% { visibility: visible; }
}
.ic.is-demo .ic__tab:nth-child(1) { animation-name: icTab1; }
.ic.is-demo .ic__tab:nth-child(2) { animation-name: icTab2; }
.ic.is-demo .ic__tab:nth-child(3) { animation-name: icTab3; }
@keyframes icTab1 {
  0%, 33% { color: $subject-cream; border-bottom-color: $color; }
  34%, 100% { color: $dim; border-bottom-color: transparent; }
}
@keyframes icTab2 {
  0%, 33% { color: $dim; border-bottom-color: transparent; }
  34%, 66% { color: $subject-cream; border-bottom-color: $color; }
  67%, 100% { color: $dim; border-bottom-color: transparent; }
}
@keyframes icTab3 {
  0%, 66% { color: $dim; border-bottom-color: transparent; }
  67%, 100% { color: $subject-cream; border-bottom-color: $color; }
}
// 채움은 연속 보간이라 steps 와 섞지 않는다 (266-09 실측: steps 짝은 clip-path·transform 을 컷으로 죽인다)
.ic.is-demo .ic__copy::before {
  animation-name: icFill; animation-duration: $dur-loop; animation-timing-function: $easing;
  animation-iteration-count: infinite; animation-fill-mode: backwards;
}
@keyframes icFill {
  0%, 8% { transform: scaleX(0); }
  20%, 74% { transform: scaleX(1); }
  86%, 100% { transform: scaleX(0); }
}
.ic.is-demo .ic__copy {
  animation-name: icBtn; animation-duration: $dur-loop; animation-timing-function: steps(1, end);
  animation-iteration-count: infinite; animation-fill-mode: backwards;
}
@keyframes icBtn {
  0%, 19% { color: $subject-cream; }
  20%, 79% { color: $stage-ink; }
  80%, 100% { color: $subject-cream; }
}
.ic.is-demo .ic__note {
  animation-name: icNote; animation-duration: $dur-loop; animation-timing-function: $easing;
  animation-iteration-count: infinite; animation-fill-mode: backwards;
}
@keyframes icNote {
  0%, 19% { visibility: hidden; transform: translateY(4px); }
  20% { visibility: visible; transform: translateY(4px); }
  30%, 79% { visibility: visible; transform: translateY(0); }
  80%, 100% { visibility: hidden; transform: translateY(0); }
}

@media (max-width: 340px) {
  .ic { padding: $sp-2; gap: $sp-1; }
  .ic__copy { padding: 0 $sp-1; }
}

@media (prefers-reduced-motion: reduce) {
  .ic.is-demo .ic__cmd,
  .ic.is-demo .ic__tab,
  .ic.is-demo .ic__copy,
  .ic.is-demo .ic__copy::before,
  .ic.is-demo .ic__note { animation: none !important; }
  .ic.is-demo .ic__cmd[data-mgr="npm"] { visibility: visible !important; }
  .ic.is-demo .ic__cmd[data-mgr="pnpm"],
  .ic.is-demo .ic__cmd[data-mgr="yarn"] { visibility: hidden !important; }
  .ic__tab, .ic__copy::before, .ic__note { transition: 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);
}

.ic {
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-sizing: border-box;
  width: min(100%, 400px);
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
}

.ic__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.ic__tab {
  box-sizing: border-box;
  width: 100%;
  padding: 4px 0;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: none;
  color: rgba(255, 255, 255, 0.58);
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: clamp(11px, 3vw, 12px);
  line-height: 1.4;
  transition: color 220ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ic__tab[aria-selected=true] {
  color: #fff7e6;
  border-bottom-color: #2b9d74;
}

.ic__tab:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 2px;
}

.ic__row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.ic__sign {
  flex: 0 0 auto;
  color: #2b9d74;
  font-weight: 700;
  font-size: clamp(12px, 3.2vw, 13px);
  line-height: 1.4;
}

.ic__slot {
  display: grid;
  flex: 1 1 auto;
  min-width: 0;
}

.ic__slot > * {
  grid-area: 1/1;
}

.ic__cmd {
  color: #fff7e6;
  font-family: inherit;
  font-weight: 500;
  font-size: clamp(11px, 3vw, 13px);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  visibility: hidden;
}

.ic__cmd b {
  color: #ffd23f;
  font-weight: 700;
}

.ic[data-mgr=npm] .ic__cmd[data-mgr=npm],
.ic[data-mgr=pnpm] .ic__cmd[data-mgr=pnpm],
.ic[data-mgr=yarn] .ic__cmd[data-mgr=yarn] {
  visibility: visible;
}

.ic__copy {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-sizing: border-box;
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff7e6;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: clamp(10px, 2.8vw, 11px);
  line-height: 1;
}

.ic__copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #2b9d74;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ic.is-done .ic__copy::before {
  transform: scaleX(1);
}

.ic.is-done .ic__copy {
  color: #17141a;
}

.ic__copy:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 2px;
}

.ic__ico, .ic__word {
  position: relative;
}

.ic__ico {
  display: grid;
  place-items: center;
  font-size: 14px;
}

.ic__note {
  margin: 0;
  min-height: 14px;
  color: #2b9d74;
  visibility: hidden;
  font-family: inherit;
  font-weight: 500;
  font-size: clamp(10px, 2.6vw, 11px);
  line-height: 1.3;
  transform: translateY(4px);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ic.is-done .ic__note {
  visibility: visible;
  transform: translateY(0);
}

.ic.is-demo .ic__cmd,
.ic.is-demo .ic__tab {
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

.ic.is-demo .ic__cmd[data-mgr=npm] {
  animation-name: icShow1;
}

.ic.is-demo .ic__cmd[data-mgr=pnpm] {
  animation-name: icShow2;
}

.ic.is-demo .ic__cmd[data-mgr=yarn] {
  animation-name: icShow3;
}

@keyframes icShow1 {
  0%, 33% {
    visibility: visible;
  }
  34%, 100% {
    visibility: hidden;
  }
}
@keyframes icShow2 {
  0%, 33% {
    visibility: hidden;
  }
  34%, 66% {
    visibility: visible;
  }
  67%, 100% {
    visibility: hidden;
  }
}
@keyframes icShow3 {
  0%, 66% {
    visibility: hidden;
  }
  67%, 100% {
    visibility: visible;
  }
}
.ic.is-demo .ic__tab:nth-child(1) {
  animation-name: icTab1;
}

.ic.is-demo .ic__tab:nth-child(2) {
  animation-name: icTab2;
}

.ic.is-demo .ic__tab:nth-child(3) {
  animation-name: icTab3;
}

@keyframes icTab1 {
  0%, 33% {
    color: #fff7e6;
    border-bottom-color: #2b9d74;
  }
  34%, 100% {
    color: rgba(255, 255, 255, 0.58);
    border-bottom-color: transparent;
  }
}
@keyframes icTab2 {
  0%, 33% {
    color: rgba(255, 255, 255, 0.58);
    border-bottom-color: transparent;
  }
  34%, 66% {
    color: #fff7e6;
    border-bottom-color: #2b9d74;
  }
  67%, 100% {
    color: rgba(255, 255, 255, 0.58);
    border-bottom-color: transparent;
  }
}
@keyframes icTab3 {
  0%, 66% {
    color: rgba(255, 255, 255, 0.58);
    border-bottom-color: transparent;
  }
  67%, 100% {
    color: #fff7e6;
    border-bottom-color: #2b9d74;
  }
}
.ic.is-demo .ic__copy::before {
  animation-name: icFill;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

@keyframes icFill {
  0%, 8% {
    transform: scaleX(0);
  }
  20%, 74% {
    transform: scaleX(1);
  }
  86%, 100% {
    transform: scaleX(0);
  }
}
.ic.is-demo .ic__copy {
  animation-name: icBtn;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

@keyframes icBtn {
  0%, 19% {
    color: #fff7e6;
  }
  20%, 79% {
    color: #17141a;
  }
  80%, 100% {
    color: #fff7e6;
  }
}
.ic.is-demo .ic__note {
  animation-name: icNote;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

@keyframes icNote {
  0%, 19% {
    visibility: hidden;
    transform: translateY(4px);
  }
  20% {
    visibility: visible;
    transform: translateY(4px);
  }
  30%, 79% {
    visibility: visible;
    transform: translateY(0);
  }
  80%, 100% {
    visibility: hidden;
    transform: translateY(0);
  }
}
@media (max-width: 340px) {
  .ic {
    padding: 8px;
    gap: 4px;
  }
  .ic__copy {
    padding: 0 4px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ic.is-demo .ic__cmd,
  .ic.is-demo .ic__tab,
  .ic.is-demo .ic__copy,
  .ic.is-demo .ic__copy::before,
  .ic.is-demo .ic__note {
    animation: none !important;
  }
  .ic.is-demo .ic__cmd[data-mgr=npm] {
    visibility: visible !important;
  }
  .ic.is-demo .ic__cmd[data-mgr=pnpm],
  .ic.is-demo .ic__cmd[data-mgr=yarn] {
    visibility: hidden !important;
  }
  .ic__tab, .ic__copy::before, .ic__note {
    transition: none !important;
  }
}

var ic = document.getElementById('ic');
var copyBtn = document.getElementById('copyBtn');
var word = copyBtn.querySelector('.ic__word');
var note = document.getElementById('note');
var tabs = Array.prototype.slice.call(ic.querySelectorAll('.ic__tab'));
var doneTimer = 0;
function pick(mgr) {
  ic.classList.remove('is-demo');
  ic.setAttribute('data-mgr', mgr);
  tabs.forEach(function (t) { t.setAttribute('aria-selected', String(t.dataset.mgr === mgr)); });
}
function currentCommand() {
  var mgr = ic.getAttribute('data-mgr') || 'npm';
  var line = ic.querySelector('.ic__cmd[data-mgr="' + mgr + '"]');
  return line ? line.textContent : '';
}
function showDone() {
  ic.classList.add('is-done');
  word.textContent = 'Copied';
  clearTimeout(doneTimer);
  // 알림을 지웠다가 다시 넣어야 같은 문장이라도 aria-live 가 한 번 더 읽는다
  note.textContent = '';
  doneTimer = setTimeout(function () {
    note.textContent = 'Copied to your clipboard';
    doneTimer = setTimeout(function () { ic.classList.remove('is-done'); word.textContent = 'Copy command'; }, 1400);
  }, 60);
}
tabs.forEach(function (t) { t.addEventListener('click', function () { pick(t.dataset.mgr); }); });
copyBtn.addEventListener('click', function () {
  ic.classList.remove('is-demo');
  var text = currentCommand();
  if (navigator.clipboard && navigator.clipboard.writeText) {
    navigator.clipboard.writeText(text).then(showDone, showDone);
  } else {
    showDone();
  }
});

// InstallCopyTabs — vanilla 판(run/294/demo/01-terminal-install-copy-tabs/index.html) 의 React 포트.
// 같은 패키지를 npm·pnpm·yarn 문법으로 갈아 끼우고 그 줄을 클립보드에 넣는다.
// 탭이나 복사 버튼을 한 번 누르면 격자 미리보기 루프(demo)가 꺼지고 사람이 고른 상태만 남는다.
import { useEffect, useRef, useState } from "react";
import type { CSSProperties } from "react";
import styles from "./InstallCopyTabs.module.scss";

export type InstallCopyTabsProps = {
  /** 격자 미리보기용 2초 자동 루프. 탭·복사 버튼을 누르면 꺼진다 */
  demo?: boolean;
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };
/** React 이벤트 제네릭이 ambient 에 없어 쓰는 필드만 지역 타입으로 선언한다 */
type Box<T> = { current: T };

const MANAGERS = ["npm", "pnpm", "yarn"];
/** 관리자마다 설치 명령의 앞부분만 다르다 — 뒤에 붙는 패키지 이름은 같다 */
const VERBS: { [k: string]: string } = { npm: "npm i", pnpm: "pnpm add", yarn: "yarn add" };
const PACKAGE_NAME = "motionkit";
const NOTE_TEXT = "클립보드에 복사했습니다";

export default function InstallCopyTabs({
  demo = true,
  duration = 220,
  easing = "cubic-bezier(.2, .8, .2, 1)",
  color = "#2b9d74",
}: InstallCopyTabsProps) {
  const [live, setLive] = useState(demo);
  const [mgr, setMgr] = useState("npm");
  const [done, setDone] = useState(false);
  const [note, setNote] = useState(NOTE_TEXT);
  const stepTimer = useRef<number>(0) as Box<number>;
  const backTimer = useRef<number>(0) as Box<number>;
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  useEffect(() => {
    return () => {
      window.clearTimeout(stepTimer.current);
      window.clearTimeout(backTimer.current);
    };
  }, []);

  function pick(next: string) {
    setLive(false);
    setMgr(next);
  }

  function showDone() {
    setDone(true);
    window.clearTimeout(stepTimer.current);
    window.clearTimeout(backTimer.current);
    // 알림을 지웠다가 다시 넣어야 같은 문장이라도 aria-live 가 한 번 더 읽는다
    setNote("");
    stepTimer.current = window.setTimeout(() => {
      setNote(NOTE_TEXT);
      backTimer.current = window.setTimeout(() => { setDone(false); }, 1400);
    }, 60);
  }

  function copy() {
    setLive(false);
    const text = `${VERBS[mgr]} ${PACKAGE_NAME}`;
    const clip = typeof navigator !== "undefined" ? navigator.clipboard : undefined;
    if (clip) { clip.writeText(text).then(showDone, showDone); }
    else { showDone(); }
  }

  const cls = [styles.root, live ? styles.isDemo : "", done ? styles.isDone : ""].filter(Boolean).join(" ");
  return (
    <main className={styles.stage} style={vars}>
      <div className={cls} data-mgr={mgr}>
        <div className={styles.tabs} role="tablist" aria-label="패키지 관리자">
          {MANAGERS.map((name) => (
            <button
              className={styles.tab}
              type="button"
              role="tab"
              key={name}
              data-mgr={name}
              aria-selected={mgr === name}
              onClick={() => pick(name)}
            >
              {name}
            </button>
          ))}
        </div>
        <div className={styles.row}>
          <span className={styles.sign} aria-hidden="true">$</span>
          <span className={styles.slot}>
            {MANAGERS.map((name) => (
              <code className={styles.cmd} key={name} data-mgr={name}>
                {VERBS[name]} <b>{PACKAGE_NAME}</b>
              </code>
            ))}
          </span>
          <button className={styles.copy} type="button" onClick={copy}>
            <span className={styles.ico} aria-hidden="true">
              <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 256 256"><g fill="currentColor"><path d="M216 40v128h-48V88H88V40Z" opacity=".2" /><path d="M216 32H88a8 8 0 0 0-8 8v40H40a8 8 0 0 0-8 8v128a8 8 0 0 0 8 8h128a8 8 0 0 0 8-8v-40h40a8 8 0 0 0 8-8V40a8 8 0 0 0-8-8m-56 176H48V96h112Zm48-48h-32V88a8 8 0 0 0-8-8H96V48h112Z" /></g></svg>
            </span>
            <span className={styles.word}>{done ? "복사됨" : "명령 복사"}</span>
          </button>
        </div>
        <p className={styles.note} role="status">{note}</p>
      </div>
    </main>
  );
}