:root {
  --bg: #202124;
  --bg-side: #202124;
  --chat-bg: #171717;
  --bubble-in: #3c4043;
  --bubble-out: #005c4b;
  --text: #e8eaed;
  --text-dim: #9aa0a6;
  --border: #3c4043;
  --hover: #2b2c2f;
  --active: #2f3c52;
  --primary: #8ab4f8;
  --danger: #f28b82;
  --chip: #5f6368;
}

* { box-sizing: border-box; }
/* 모든 스크롤은 내부 요소(목록/메시지창)에서만 — 바디는 고정.
   iOS Safari는 overflow:hidden만으로 바디 가로스크롤을 못 막으므로 position:fixed 사용 */
html, body { height: 100%; overflow: hidden; overscroll-behavior: none; }
body { position: fixed; inset: 0; width: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden { display: none !important; }
.dim { color: var(--text-dim); font-size: 12px; }

/* ---- 로그인 ---- */
#login {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: var(--chat-bg);
}
.login-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 36px 32px; width: 340px; text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
.login-mark { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.login-card p { margin: 0 0 18px; line-height: 1.5; }
.login-card input {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.login-card input:focus { outline: 2px solid var(--primary); border-color: transparent; }
.login-card button {
  margin-top: 14px; width: 100%; padding: 11px; border: 0; border-radius: 10px;
  background: var(--primary); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer;
}
.login-error { color: var(--danger); font-size: 13px; margin-top: 12px; }

/* ---- 사용자 선택 ---- */
#who {
  position: fixed; inset: 0; z-index: 55;
  display: flex; align-items: center; justify-content: center;
  background: var(--chat-bg);
}
.who-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 36px 32px; width: 320px; text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
.who-card p { margin: 0 0 18px; line-height: 1.5; }
#whoBtns { display: flex; flex-direction: column; gap: 10px; }
#whoBtns button {
  padding: 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--text); font-size: 15px; font-weight: 600; cursor: pointer;
}
#whoBtns button:hover { border-color: var(--primary); color: var(--primary); }
#whoBtns button.cur { border-color: var(--primary); color: var(--primary); }
.side-foot { padding: 10px 16px; border-top: 1px solid var(--border); position: relative; display: flex; justify-content: space-between; align-items: center; }
.who-chip {
  border: 0; background: transparent; color: var(--text-dim); font-size: 13px; cursor: pointer; padding: 4px 6px;
}
.who-chip:hover { color: var(--text); }
.set-pop {
  position: absolute; bottom: calc(100% + 6px); right: 12px; z-index: 20;
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; width: 210px; box-shadow: 0 6px 24px rgba(0,0,0,.18);
  font-size: 13px;
}
.set-pop label { display: block; margin-bottom: 6px; font-weight: 600; }
.set-pop input {
  width: 70px; margin-top: 6px; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px;
}
.set-pop button {
  margin-top: 10px; width: 100%; padding: 8px; border: 0; border-radius: 8px;
  background: var(--primary); color: #fff; font-weight: 600; cursor: pointer;
}

/* 이미지 첨부/드롭 */
.composer-row { display: flex; align-items: flex-end; gap: 6px; }
.composer-row #input { flex: 1; min-width: 0; }
.attach-bar {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 8px 10px; margin-bottom: 8px;
}
.attach-bar img { width: 44px; height: 44px; object-fit: cover; border-radius: 8px; }
.attach-info { flex: 1; min-width: 0; font-size: 13px; }
.attach-info > div:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 처리·업로드 진행 중 — 미리보기 자리는 지킨 채(높이 안 흔들림) 스피너와 문구만 */
.attach-bar.busy #attachThumb, .attach-bar.busy #attachRemove { visibility: hidden; }
.attach-bar.busy #attachName { color: var(--text-dim); }
#attachRemove {
  border: 0; background: transparent; color: var(--text-dim); font-size: 15px; cursor: pointer; padding: 4px 8px;
}
#chatView.dropping::after {
  content: '여기에 놓으면 이미지 첨부';
  position: absolute; inset: 10px; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  border: 2px dashed var(--primary); border-radius: 14px;
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  font-size: 15px; color: var(--primary); pointer-events: none;
}
#chatView { position: relative; }
.bubble .pending-media { max-width: 180px; max-height: 180px; border-radius: 8px; display: block; }

/* 안읽음 배지 / 읽음 표시 */
.thread .addr.unread { font-weight: 800; }
.cnt-badge {
  background: var(--primary); color: #fff; border-radius: 10px;
  font-size: 11px; font-weight: 700; padding: 1px 7px; margin-right: 6px; flex-shrink: 0;
}
.receipt { align-self: flex-end; font-size: 11px; color: var(--text-dim); margin: -1px 8px 6px; }

/* URL 링크 + og 미리보기 카드 */
a.msg-link { color: var(--primary); word-break: break-all; }
.msg-media {
  display: block; max-width: 260px; max-height: 320px;
  border-radius: 10px; margin-top: 6px; object-fit: contain;
}
.og-card {
  display: block; max-width: 340px; margin-top: 8px;
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: var(--bg); text-decoration: none; color: var(--text);
}
.og-card:hover { border-color: var(--primary); }
.og-card .og-img { width: 100%; height: 130px; object-fit: cover; display: block; }
.og-card .og-body { padding: 8px 10px 9px; }
.og-card .og-title { font-size: 13px; font-weight: 600; line-height: 1.35; }
.og-card .og-desc {
  font-size: 12px; color: var(--text-dim); margin-top: 3px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.og-card .og-site { font-size: 11px; color: var(--text-dim); margin-top: 5px; }

/* ---- 레이아웃 ---- */
/* 모바일: 100dvh로 주소창 높이 변화에 따른 흔들림 제거 (미지원 브라우저는 100vh 폴백) */
#app { display: flex; height: 100vh; height: 100dvh; }

#sidebar {
  width: 340px; min-width: 340px; display: flex; flex-direction: column;
  background: var(--bg-side); border-right: 1px solid var(--border);
}
#resizer {
  width: 5px; flex-shrink: 0; cursor: col-resize; background: transparent; margin-left: -2px;
}
#resizer:hover, #resizer.active { background: var(--primary); }
.side-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.brand { font-size: 19px; font-weight: 700; color: var(--primary); }
.compose-btn {
  margin-left: auto;
  border: 1px solid var(--border); border-radius: 12px; background: var(--bg);
  font-size: 19px; padding: 4px 9px; cursor: pointer; line-height: 1.2; flex-shrink: 0;
}
.compose-btn:hover { border-color: var(--primary); background: var(--hover); }

/* 텍스트 대치 미리보기 (맥 텍스트 대치 동기화) — 캐럿 위에 뜨고 스페이스로 완성 */
.snippet-hint {
  position: fixed; z-index: 61; pointer-events: none;
  display: flex; align-items: center; gap: 8px;
  max-width: min(360px, calc(100vw - 16px));
  padding: 7px 10px; border-radius: 10px;
  background: var(--hover); color: var(--text);
  border: 1px solid var(--border);
  box-shadow: 0 6px 22px rgba(0,0,0,.45);
  font-size: 13px; line-height: 1.35;
  animation: snippet-in .12s var(--ease-out);
}
#snippetPhrase {
  flex: 1 1 auto; min-width: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sh-key {
  flex: none; font-size: 10.5px; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px;
}
@keyframes snippet-in { from { opacity: 0; transform: translateY(3px); } }
.phone-status { display: flex; align-items: center; gap: 6px; margin-top: 3px; font-size: 12px; color: var(--text-dim); }
.phone-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); flex-shrink: 0; }
.phone-status.online .dot { background: #34a853; box-shadow: 0 0 5px #34a853; }
.phone-status.online { color: #34a853; }
.phone-status.offline .dot { background: var(--danger); }
.phone-status.offline { color: var(--danger); }
#deviceSelect {
  max-width: 140px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text-dim); font-size: 12px; padding: 4px 6px;
}
.tab-bar {
  display: flex; gap: 6px; overflow-x: auto; padding: 10px 12px 0;
  scrollbar-width: none;
}
.new-chat { display: flex; gap: 6px; padding: 0 12px; margin-top: 10px; }
.new-chat input {
  flex: 1; min-width: 0; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--text); font-size: 13.5px; padding: 8px 11px;
}
.new-chat input:focus { outline: 2px solid var(--primary); border-color: transparent; }
.new-chat button {
  border: 0; border-radius: 10px; background: var(--primary); color: #fff;
  font-size: 13px; font-weight: 600; padding: 0 14px; cursor: pointer;
}
.tab-bar::-webkit-scrollbar { display: none; }
.tab-chip {
  border: 1px solid var(--border); border-radius: 16px; background: var(--bg);
  color: var(--text-dim); font-size: 13px; padding: 5px 13px; cursor: pointer;
  white-space: nowrap; flex-shrink: 0; user-select: none;
}
.tab-chip:hover { color: var(--text); }
.tab-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.tab-chip.add { font-size: 15px; padding: 3px 11px; }
.tab-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--primary); margin-right: 6px; vertical-align: 1px;
}
.tab-dot.red { background: var(--danger); }
.tab-chip.active .tab-dot { background: #fff; }
.tab-chip.active .tab-dot.red { background: #fff; }
.search-wrap { padding: 10px 12px; }
#search {
  width: 100%; padding: 9px 14px; border: 0; border-radius: 10px;
  background: var(--hover); color: var(--text); font-size: 14px;
}
#search:focus { outline: 2px solid var(--primary); background: var(--bg); }
#threadList { flex: 1; overflow-y: auto; padding: 4px 8px 12px; }

.thread {
  display: flex; gap: 12px; align-items: center;
  padding: 10px 10px; border-radius: 12px; cursor: pointer; user-select: none;
}
.thread:hover { background: var(--hover); }
.thread.active { background: var(--active); }
.thread .last { flex: 1; min-width: 0; }
.thread .row1 { display: flex; justify-content: space-between; gap: 8px; }
.thread .move-btn {
  border: 0; background: transparent; color: var(--text-dim); font-size: 15px;
  cursor: pointer; padding: 0 4px; line-height: 1; flex-shrink: 0;
}
.thread .move-btn:hover { color: var(--text); }
.tab-menu {
  position: fixed; z-index: 70; min-width: 170px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0,0,0,.2); padding: 6px; font-size: 14px;
}
.tab-menu button {
  display: block; width: 100%; text-align: left; border: 0; background: transparent;
  color: var(--text); font-size: 14px; padding: 9px 12px; border-radius: 8px; cursor: pointer;
}
.tab-menu button:hover { background: var(--hover); }
.tab-menu button.cur { color: var(--primary); font-weight: 600; }
.tab-menu .new-tab { display: flex; gap: 6px; padding: 6px 6px 2px; border-top: 1px solid var(--border); margin-top: 4px; }
.tab-menu .new-tab input {
  flex: 1; min-width: 0; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); padding: 7px 9px; font-size: 13px;
}
.tab-menu .new-tab button { width: auto; color: var(--primary); font-weight: 600; padding: 7px 10px; }
.thread .addr { font-weight: 600; font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.addr-num { font-size: 11.5px; color: var(--text-dim); font-weight: 400; }
.thread .time { font-size: 11.5px; color: var(--text-dim); flex-shrink: 0; padding-top: 2px; }
.thread .preview {
  font-size: 13px; color: var(--text-dim); margin-top: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.thread .preview .me { color: var(--primary); }
/* 검색 결과: 걸린 메시지의 날짜 + 검색어 강조 */
.thread .preview .hit-date { color: var(--text-dim); opacity: .75; }
.thread .preview mark { background: transparent; color: var(--primary); font-weight: 600; }

.avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; color: #fff; background: #888;
}
.avatar.small { width: 36px; height: 36px; font-size: 13px; }

/* ---- 채팅 ---- */
#chatPane { flex: 1; display: flex; flex-direction: column; background: var(--chat-bg); min-width: 0; }
#emptyState {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.empty-bubble { font-size: 44px; margin-bottom: 6px; }
#emptyState p { margin: 0; font-size: 15px; }
.empty-new {
  margin-top: 18px; border: 0; border-radius: 10px; padding: 10px 22px;
  background: var(--primary); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
}

/* 받는 사람(To) 입력줄 — iOS 스타일 */
.refresh-btn { margin-left: auto; font-size: 19px; color: var(--text-dim); }
.refresh-btn:hover { color: var(--primary); }
.refresh-btn.spinning { animation: spin 0.9s linear infinite; color: var(--primary); }
@keyframes spin { to { transform: rotate(360deg); } }
.to-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 8px 14px; background: var(--bg); border-bottom: 1px solid var(--border);
}
/* 새 메시지(compose)에서 기존 대화 상대의 과거 미리보기 안내 바 */
.hist-preview {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 6px 14px; background: var(--bg); border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-dim);
}
.hist-preview b { color: var(--text); }
.hist-preview button {
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-size: 13px; padding: 4px 10px; border-radius: 8px; cursor: pointer;
}
.hist-preview button:hover { border-color: var(--primary); color: var(--primary); }
/* 대화 안 단어 찾기 바 */
.hit-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; background: var(--bg); border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-dim);
}
.hit-bar .hb-q { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hit-bar .hb-q b { color: var(--text); }
.hit-bar .hb-count { font-variant-numeric: tabular-nums; color: var(--text); flex-shrink: 0; }
.hit-bar button {
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-size: 13px; padding: 3px 9px; border-radius: 8px; cursor: pointer; flex-shrink: 0;
}
.hit-bar button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.hit-bar button:disabled { opacity: .35; cursor: default; }
.hit-bar .hb-close { border-color: transparent; }
/* 버블 안에서 찾은 단어 — 노란 강조 */
.bubble mark.hit-mark {
  background: #ffd54f; color: #202124; border-radius: 2px; padding: 0 1px;
}
/* 지금 보고 있는 결과 — 테두리로 표시 */
.row.hit-current .bubble { outline: 2px solid var(--primary); outline-offset: 2px; }
/* 발신 버블의 "확인 ✓" — 수신자가 미디어 링크를 클릭했을 때 */
.meta .seen { color: #22a45d; font-weight: 600; margin-left: 5px; }
.to-label { font-size: 13px; color: var(--text-dim); flex-shrink: 0; }
.to-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.to-chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--primary); color: #fff; border-radius: 14px;
  padding: 4px 6px 4px 11px; font-size: 13px; font-weight: 500;
}
.to-chip b {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%; background: rgba(255,255,255,.25);
  font-weight: 400; font-size: 10px; cursor: pointer; font-style: normal;
}
.to-chip b:hover { background: rgba(255,255,255,.45); }
#toInput {
  flex: 1; min-width: 150px; border: 0; background: transparent; color: var(--text);
  font-size: 14px; padding: 4px 2px; outline: none;
}

#chatView { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.chat-head {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--bg); border-bottom: 1px solid var(--border);
}
.icon-btn {
  border: 0; background: transparent; color: var(--text-dim); font-size: 20px;
  cursor: pointer; padding: 6px 8px; border-radius: 50%;
}
.icon-btn:hover { background: var(--hover); }
.peer { min-width: 0; }
#peerNumber { font-weight: 600; font-size: 15px; }
#syncState { margin-top: 1px; }

#msgs {
  flex: 1; overflow-y: auto; padding: 18px max(16px, calc((100% - 760px) / 2)) 10px;
  display: flex; flex-direction: column; gap: 3px;
}
.day-chip {
  align-self: center; background: var(--chip); color: #fff; font-size: 11.5px;
  padding: 3px 12px; border-radius: 12px; margin: 14px 0 8px;
}
.row { display: flex; }
.row.out { justify-content: flex-end; }
.bubble {
  max-width: 72%; padding: 8px 12px 6px; border-radius: 16px;
  background: var(--bubble-in); font-size: 14.5px; line-height: 1.45;
  box-shadow: 0 1px 1px rgba(0,0,0,.08); word-break: break-word;
  white-space: pre-wrap;
  text-align: left;
  position: relative;
}
.del-btn {
  position: absolute; top: 0; right: 0; border: 0; background: transparent;
  color: var(--text-dim); font-size: 13px; cursor: pointer; opacity: 0;
  padding: 4px 7px; border-radius: 8px; line-height: 1;
}
.row:hover .del-btn { opacity: 0.6; }
.del-btn:hover { opacity: 1; color: var(--danger); }
.tab-menu button.danger { color: var(--danger); border-top: 1px solid var(--border); border-radius: 0; margin-top: 4px; }
.row.out .bubble { background: var(--bubble-out); }
.bubble .meta {
  display: block; margin: 4px 0 -2px;
  font-size: 10.5px; color: var(--text-dim); user-select: none;
  text-align: left;
}
.bubble.pending { opacity: .75; }
.bubble .state { font-size: 11px; margin-right: 6px; color: var(--text-dim); }
.bubble.failed { background: transparent; border: 1px dashed var(--danger); color: var(--danger); }
.system-note { align-self: center; font-size: 12px; color: var(--text-dim); margin: 6px 0; }

#loadMoreWrap { text-align: center; padding: 6px 0 10px; background: var(--chat-bg); }
#loadMore {
  border: 0; background: transparent; color: var(--primary); font-size: 13px; cursor: pointer; padding: 6px 14px;
}
#loadMore:hover { text-decoration: underline; }

/* ---- 입력창 ---- */
.composer {
  display: flex; flex-direction: column; align-items: stretch; gap: 10px;
  /* 채팅창 전체 폭 사용 (중앙 열 제한 없음) */
  padding: 12px 10px 14px;
  background: var(--chat-bg);
}
#input {
  flex: 1; resize: none; border: 0; border-radius: 18px;
  padding: 11px 16px; font: inherit; font-size: 14.5px; line-height: 1.4;
  background: var(--bg); color: var(--text);
  min-height: calc(3 * 1.4em + 24px); max-height: 200px;
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
#input:focus { outline: 2px solid var(--primary); }
#sendBtn {
  width: 44px; height: 44px; border: 0; border-radius: 50%; flex-shrink: 0;
  background: var(--primary); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
#sendBtn:disabled { opacity: .4; cursor: default; }
/* 발송 중(업로드 등) 버튼 안 스피너 — 파란 배경 위라 흰색 계열로, 잠긴 상태여도 선명하게 */
#sendBtn.sending { opacity: 1; }
#sendBtn .spinner { border-color: rgba(255, 255, 255, .35); border-top-color: #fff; }

/* ---- 토스트 ---- */
#toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: #323232; color: #fff; font-size: 13.5px;
  padding: 11px 20px; border-radius: 10px; z-index: 60;
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
}

/* ---- 오른쪽 사이드바 (데스크톱 전용) ---- */
#rightbar {
  width: 320px; min-width: 320px; display: flex; flex-direction: column;
  background: var(--bg-side); border-left: 1px solid var(--border);
}
.rb-title {
  font-size: 13px; margin: 0; padding: 14px 16px 8px;
  color: var(--text-dim); font-weight: 700; text-transform: uppercase; letter-spacing: .3px;
}
.rb-badge {
  font-size: 10px; background: var(--chip); color: #fff; border-radius: 6px;
  padding: 2px 6px; vertical-align: 1px; font-weight: 400;
}
.rb-customer { flex: 0 0 auto; max-height: 42%; overflow-y: auto; border-bottom: 1px solid var(--border); }
.rb-empty { color: var(--text-dim); font-size: 13px; text-align: center; padding: 24px 10px; line-height: 1.6; }
.rb-cust-head { padding: 0 16px; }
.rb-cust-name { font-size: 16px; font-weight: 700; }
.rb-cust-num { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }
.rb-tag {
  font-size: 10.5px; font-weight: 600; color: var(--primary);
  border: 1px solid var(--primary); border-radius: 999px;
  padding: 1px 6px; margin-left: 6px; vertical-align: 2px;
}
.rb-edit-btn {
  margin-top: 8px; width: 100%; padding: 6px 0; font-size: 12.5px;
  background: none; color: var(--primary); border: 1px dashed var(--border); border-radius: 8px;
}
.rb-edit-btn:hover { background: var(--hover); border-style: solid; }
.rb-memo {
  margin: 8px 16px 0; padding: 8px 10px; font-size: 12.5px; line-height: 1.5;
  white-space: pre-wrap; word-break: break-word;
  background: var(--hover); border-radius: 8px; color: var(--text);
}
.rb-sync { margin: 6px 16px 0; font-size: 11.5px; color: var(--text-dim); }
.rb-sync.done { color: var(--text-dim); }
.rb-sync.fail { color: var(--danger); }
.rb-cust-edit { padding: 10px 16px 4px; display: flex; flex-direction: column; }
.rb-cust-edit label { font-size: 11.5px; color: var(--text-dim); margin-bottom: 3px; font-weight: 600; }
.rb-cust-edit input, .rb-cust-edit textarea {
  width: 100%; box-sizing: border-box; margin-bottom: 9px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 9px; font: inherit; font-size: 13px; resize: vertical;
}
.rb-cust-edit input:focus, .rb-cust-edit textarea:focus { outline: none; border-color: var(--primary); }
.rb-edit-btns { display: flex; gap: 6px; }
.rb-edit-btns button {
  flex: 1; padding: 7px 0; font-size: 12.5px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--hover); color: var(--text);
}
.rb-edit-btns .rb-save { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.rb-edit-btns .rb-save:disabled { opacity: .6; }
.rb-edit-btns .danger { color: var(--danger); }
.rb-edit-btns button:hover { filter: brightness(1.08); }
.rb-cust-edit small { margin-top: 8px; font-size: 11px; line-height: 1.5; }
.rb-cust-stats { display: flex; gap: 8px; padding: 10px 16px 6px; flex-wrap: wrap; }
.rb-stat { background: var(--hover); border-radius: 8px; padding: 6px 10px; font-size: 11.5px; color: var(--text-dim); }
.rb-stat b { display: block; font-size: 13.5px; color: var(--text); margin-top: 2px; }
.rb-history { padding: 4px 16px 12px; }
.rb-history h4 { font-size: 11.5px; color: var(--text-dim); margin: 8px 0 4px; font-weight: 600; }
.rb-hist-item { font-size: 12.5px; padding: 5px 8px; border-left: 2px solid var(--border); margin-bottom: 4px; line-height: 1.45; }
.rb-hist-item .when { color: var(--text-dim); font-size: 11px; }
.rb-coming { font-size: 11.5px; color: var(--text-dim); padding: 2px 16px 12px; }

.rb-wiki { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.wiki-log { flex: 1; overflow-y: auto; padding: 6px 14px; display: flex; flex-direction: column; gap: 8px; }
.wiki-msg {
  max-width: 92%; padding: 8px 12px; border-radius: 14px; font-size: 13.5px; line-height: 1.5;
  white-space: pre-wrap; word-break: break-word;
}
.wiki-msg.user { align-self: flex-end; background: var(--bubble-out); }
.wiki-msg.bot { align-self: flex-start; background: var(--hover); }
.wiki-input-row { display: flex; gap: 8px; padding: 10px 14px 14px; }
#wikiInput {
  flex: 1; border: 0; border-radius: 18px; padding: 10px 16px;
  background: var(--hover); color: var(--text); font: inherit; font-size: 13.5px;
}
#wikiInput:focus { outline: 2px solid var(--primary); background: var(--bg); }
#wikiSend {
  width: 38px; height: 38px; border: 0; border-radius: 50%; flex-shrink: 0;
  background: var(--primary); color: #fff; cursor: pointer; font-size: 14px;
}

/* ---- 모바일 ---- */
#backBtn { display: none; }
@media (max-width: 1100px) {
  #rightbar { display: none; } /* 오른쪽 사이드바는 데스크톱 전용 */
}
@media (max-width: 768px) {
  #sidebar { width: 100% !important; min-width: 0 !important; }
  #resizer { display: none; }
  /* 모바일: 입력창 최대한 넓게 — 여백·버튼 축소 */
  .composer { padding: 8px 8px 10px; }
  .composer-row { gap: 4px; }
  .composer-row #attachBtn { padding: 4px 5px; font-size: 17px; }
  .composer-row #sendBtn { width: 40px; height: 40px; }
  #chatPane { display: none; }
  body.chat-open #sidebar { display: none; }
  body.chat-open #chatPane { display: flex; }
  body.chat-open #backBtn { display: block; }
  .bubble { max-width: 84%; }
}

/* ---- 대화 목록 다중 선택 ---- */
.head-btns { margin-left: auto; display: flex; gap: 6px; flex-shrink: 0; }
.compose-btn.on { border-color: var(--primary); color: var(--primary); background: var(--hover); }
.sel-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  padding: 8px 12px; background: var(--hover); border-bottom: 1px solid var(--border);
  font-size: 12.5px; color: var(--text);
}
.sel-bar span { font-weight: 600; }
.sel-bar button {
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
  color: var(--text); font-size: 12px; padding: 5px 10px; cursor: pointer;
}
.sel-bar button:hover { border-color: var(--primary); color: var(--primary); }
.sel-bar button.danger { color: var(--danger); }
.sel-bar button.danger:hover { border-color: var(--danger); }
.sel-bar .sel-cancel { border: 0; color: var(--text-dim); font-size: 14px; padding: 5px 8px; }
.sel-bar .sel-cancel:hover { color: var(--text); }
.thread .sel-check {
  width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--text-dim);
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: #fff; line-height: 1;
}
.thread.selected { background: color-mix(in srgb, var(--primary) 20%, transparent); }
.thread.selected:hover { background: color-mix(in srgb, var(--primary) 26%, transparent); }
.thread.active.selected { background: color-mix(in srgb, var(--primary) 32%, transparent); }
.thread.selected .sel-check { border-color: var(--primary); background: var(--primary); }
.thread.selected .sel-check::after { content: '✓'; }

/* ---- 메시지 다중 선택 (드래그) ---- */
#msgs.msg-selmode { user-select: none; -webkit-user-select: none; }
#msgs.msg-selmode a, #msgs.msg-selmode img, #msgs.msg-selmode video { pointer-events: none; }
#msgs.msg-selmode .del-btn { display: none; }
#msgs.msg-selmode .row[data-mid] { cursor: pointer; }
#msgs .row.selected .bubble {
  box-shadow: 0 0 0 2px var(--primary), 0 1px 1px rgba(0,0,0,.08);
  background: color-mix(in srgb, var(--primary) 14%, var(--bubble-in));
}
#msgs .row.selected.out .bubble { background: color-mix(in srgb, var(--primary) 14%, var(--bubble-out)); }
#msgSelBtn.on { color: var(--primary); }
.msg-selbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  padding: 8px 14px; background: var(--hover); border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--text);
}
.msg-selbar span { font-weight: 600; }
.msg-selbar button {
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
  color: var(--text); font-size: 12px; padding: 5px 10px; cursor: pointer;
}
.msg-selbar button:hover { border-color: var(--primary); color: var(--primary); }
.msg-selbar button.danger { color: var(--danger); }
.msg-selbar button.danger:hover { border-color: var(--danger); }
.msg-selbar .sel-cancel { border: 0; color: var(--text-dim); font-size: 14px; padding: 5px 8px; }
.msg-selbar .sel-cancel:hover { color: var(--text); }

/* ---- 본문 전화번호: 우클릭 sms:/tel: 메뉴 ---- */
.tel {
  color: var(--primary); cursor: context-menu;
  text-decoration: underline dotted; text-underline-offset: 3px;
}
#msgs.msg-selmode .tel { pointer-events: none; }

/* ================= 부드러운 전환 · 로딩 표시 =================
   - 폴링 재렌더 시 DOM을 다시 그리지 않아 깜빡임 없음 (JS 쪽 가드)
   - 새로 등장한 항목만 가볍게 떠오르며 나타남                       */
:root {
  --ease: cubic-bezier(.22, .8, .24, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* 공통: 색·테두리·크기 변화를 부드럽게 */
button, .thread, .tab-chip, .to-chip, .who-chip,
.compose-btn, .icon-btn, a.msg-link, .rb-hist-item {
  transition: background-color .18s var(--ease), color .18s var(--ease),
    border-color .18s var(--ease), opacity .18s var(--ease), transform .12s var(--ease);
}
button:active:not(:disabled) { transform: scale(.97); }
.bubble { transition: background-color .22s var(--ease), box-shadow .22s var(--ease), opacity .22s var(--ease); }

/* 목록 항목 등장 */
@keyframes listIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.thread.anim-in { animation: listIn .26s var(--ease-out) both; }

/* 말풍선 등장 */
@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(10px) scale(.97); }
  to { opacity: 1; transform: none; }
}
.row.anim-in { animation: bubbleIn .3s var(--ease-out) both; }

/* 패널 전환 (대화 열기·모바일 목록↔대화) */
@keyframes paneIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
#chatView:not(.hidden) { animation: paneIn .28s var(--ease-out); }
#emptyState:not(.hidden) { animation: paneIn .28s var(--ease-out); }

/* 팝업·토스트 */
@keyframes popIn {
  from { opacity: 0; transform: translateY(6px) scale(.96); }
  to { opacity: 1; transform: none; }
}
.tab-menu:not(.hidden) { animation: popIn .16s var(--ease-out); }
.set-pop:not(.hidden) { animation: popIn .16s var(--ease-out); }
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
#toast:not(.hidden) { animation: toastIn .2s var(--ease-out); }

/* 상단 진행바 (데이터 가져오는 동안) */
.load-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  background-size: 40% 100%; background-repeat: no-repeat;
  animation: loadSlide 1.05s linear infinite;
  pointer-events: none;
}
@keyframes loadSlide {
  from { background-position: -40% 0; }
  to { background-position: 140% 0; }
}

/* 스피너 */
.spinner {
  display: inline-block; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--border); border-top-color: var(--primary);
  animation: spin .7s linear infinite; vertical-align: -2px;
}
#loadMore .spinner { margin-right: 6px; }
#loadMore:disabled { opacity: .7; cursor: default; text-decoration: none; }

/* 메시지 영역 로딩 오버레이 */
.msgs-wrap { position: relative; flex: 1; min-height: 0; display: flex; flex-direction: column; }
.pane-loading {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: color-mix(in srgb, var(--chat-bg) 86%, transparent);
  backdrop-filter: blur(2px);
  color: var(--text-dim); font-size: 13px;
  animation: fadeIn .18s var(--ease-out);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.pane-loading .spinner { width: 22px; height: 22px; border-width: 3px; }

/* 최초 로딩 스켈레톤 */
.sk-thread { display: flex; gap: 12px; align-items: center; padding: 10px; }
.sk {
  border-radius: 8px;
  background: linear-gradient(90deg, var(--hover) 25%, #2f3134 37%, var(--hover) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
@keyframes shimmer {
  from { background-position: 100% 0; }
  to { background-position: -100% 0; }
}
.sk-av { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; }
.sk-lines { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.sk-l1 { height: 12px; width: 45%; }
.sk-l2 { height: 11px; width: 80%; }

/* 움직임 최소화 설정을 쓴 사용자에겐 애니메이션 끔 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}