#qa-root.qa-hidden { display: none; }
  #qa-root { position: fixed; inset: 0; z-index: 9000; pointer-events: none; font-family: 'Pretendard', system-ui, sans-serif; }
  .qa-hidden { display: none !important; }

  #qa-note-layer, #qa-float-layer { position: fixed; inset: 0; pointer-events: none; }

  .qa-note {
    position: absolute;
    max-width: min(240px, 70vw);
    padding: 16px 34px 14px 16px;
    border-radius: 4px;
    color: #14181f;
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
    transform: rotate(var(--rot, 0deg));
    pointer-events: auto;
    animation: qaNoteIn .35s ease both;
  }
  .qa-note.qa-leaving { animation: qaNoteOut .5s ease both; }
  .qa-note.qa-draggable { cursor: grab; }
  .qa-note.qa-dragging { cursor: grabbing; animation: none !important; box-shadow: 0 18px 44px rgba(0,0,0,0.5); z-index: 10; user-select: none; }
  @keyframes qaNoteIn { from { opacity: 0; transform: rotate(var(--rot,0deg)) translateY(12px) scale(.9); } to { opacity: 1; transform: rotate(var(--rot,0deg)) translateY(0) scale(1); } }
  @keyframes qaNoteOut { to { opacity: 0; transform: rotate(var(--rot,0deg)) translateY(-12px) scale(.92); } }
  .qa-note-name { font-weight: 800; font-size: 11px; opacity: .65; margin-bottom: 4px; }
  .qa-note-text { font-weight: 600; word-break: break-word; }
  .qa-vote { margin-top: 8px; border: 0; background: rgba(0,0,0,0.12); border-radius: 999px; padding: 3px 10px; font-size: 12px; font-weight: 700; cursor: pointer; }
  .qa-note-close {
    position: absolute; top: 6px; right: 6px; width: 24px; height: 24px;
    display: grid; place-items: center;
    border: 0; border-radius: 50%; background: rgba(0,0,0,0.12); color: #14181f;
    font-size: 17px; font-weight: 900; line-height: 1; cursor: pointer;
  }
  .qa-note-close:hover { background: rgba(0,0,0,0.22); }

  .qa-dock {
    position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
    display: flex; gap: 8px; align-items: center;
    flex-wrap: wrap; justify-content: center;
    max-width: calc(100vw - 16px); box-sizing: border-box;
    background: rgba(14,18,32,0.85); border: 1px solid rgba(155,130,255,0.35);
    border-radius: 999px; padding: 8px 10px; pointer-events: auto; backdrop-filter: blur(8px);
  }
  .qa-dock input { border: 0; outline: none; background: rgba(255,255,255,0.08); color: #fff; border-radius: 999px; padding: 8px 14px; width: 200px; font-size: 13px; }
  .qa-dock button { border: 0; border-radius: 999px; padding: 8px 12px; font-size: 13px; font-weight: 700; cursor: pointer; background: rgba(255,255,255,0.08); color: #fff; }
  .qa-follow.on { background: var(--accent); color: #06080F; }
  /* 좁은 화면: 도크가 줄바꿈되도록 하고 입력창이 남는 폭을 채우게 한다 */
  @media (max-width: 480px) {
    .qa-dock { border-radius: 20px; row-gap: 6px; }
    .qa-dock input { flex: 1 1 110px; width: auto; min-width: 0; }
  }
  /* 터치 기기: 탭 타깃을 44px 가이드라인에 가깝게 키운다 */
  @media (pointer: coarse) {
    .qa-dock input { padding: 11px 14px; font-size: 14px; }
    .qa-dock button { padding: 11px 14px; font-size: 14px; }
    .qa-vote { padding: 8px 16px; font-size: 13px; }
    .qa-note-close { width: 32px; height: 32px; }
    #qa-history-toggle { padding: 10px 16px; }
  }

  .qa-modal { position: fixed; inset: 0; background: rgba(6,8,15,0.75); display: flex; align-items: center; justify-content: center; pointer-events: auto; }
  .qa-modal-box { background: #0E1220; border: 1px solid rgba(155,130,255,0.4); border-radius: 16px; padding: 28px; width: min(320px, 86vw); text-align: center; }
  .qa-modal-box h3 { color: #fff; margin: 0 0 14px; }
  .qa-modal-box input { width: 100%; box-sizing: border-box; padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.06); color: #fff; margin-bottom: 12px; }
  .qa-modal-box button { width: 100%; padding: 10px; border-radius: 10px; border: 0; background: var(--accent); color: #06080F; font-weight: 800; cursor: pointer; }

  #qa-presenter-bar { position: fixed; top: 14px; left: 14px; display: flex; align-items: center; gap: 8px; pointer-events: auto; }
  .qa-dot { width: 8px; height: 8px; border-radius: 50%; background: #555; display: inline-block; }
  .qa-dot.on { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
  #qa-history-toggle { border: 0; border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 700; background: rgba(255,255,255,0.1); color: #fff; cursor: pointer; }
  #qa-console-link { border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 700; background: rgba(155,130,255,0.25); color: #fff; text-decoration: none; }
  #qa-console-link:hover { background: rgba(155,130,255,0.45); }
  .qa-presenter-tally { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 800; color: #fff; background: rgba(255,255,255,0.1); }

  .qa-panel { position: fixed; top: 0; left: 0; bottom: 0; width: min(340px, 90vw); background: #0E1220; border-right: 1px solid rgba(155,130,255,0.3); pointer-events: auto; display: flex; flex-direction: column; }
  .qa-panel-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); color: #fff; font-weight: 800; }
  .qa-panel-head button { background: transparent; border: 1px solid rgba(255,255,255,0.2); color: #fff; border-radius: 8px; padding: 4px 10px; font-size: 12px; cursor: pointer; margin-left: 6px; }
  #qa-history-list { overflow-y: auto; padding: 10px 16px; }
  .qa-history-item { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .qa-history-meta { display: flex; justify-content: space-between; font-size: 12px; color: #B8BFD0; margin-bottom: 4px; }
  .qa-history-text { color: #fff; font-size: 13px; }
  .qa-history-empty { color: #B8BFD0; font-size: 13px; padding: 20px 0; text-align: center; }

  .qa-float { position: fixed; bottom: 70px; font-size: 28px; animation: qaFloatUp 2.6s ease forwards; }
  @keyframes qaFloatUp { 0% { opacity: 0; transform: translateY(0); } 15% { opacity: 1; } 100% { opacity: 0; transform: translateY(-60vh); } }

/* 서버가 없을 때 발표자에게만 잠깐 뜨는 안내 (청중 화면에는 나오지 않는다) */
#qa-offline-hint {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 2147483000;
  max-width: min(90vw, 560px);
  padding: 12px 18px;
  border-radius: 12px;
  background: rgba(20, 18, 34, 0.94);
  color: #F3F0FF;
  border: 1px solid rgba(155, 130, 255, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}