@font-face{
  font-family:'Pretendard Variable';
  src:url('/static/fonts/PretendardVariable.woff2') format('woff2-variations');
  font-weight:45 920;font-display:swap;font-style:normal;
}
:root{
  --font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans KR',sans-serif;
  --bg:#ffffff; --bg2:#f7f8fa; --bg3:#eef1f5; --panel:#ffffff;
  --accent:#2563eb; --accent-2:#1d4ed8; --accent-soft:#e8f0fe;
  --grad:linear-gradient(135deg,#4f8cff,#2563eb);
  --grad-ai:linear-gradient(135deg,#10b981,#059669);
  --text:#1f2430; --muted:#7a869a; --faint:#9aa5b5;
  --bubble-me:linear-gradient(135deg,#3b82f6,#2563eb); --bubble-other:#f1f3f7;
  --bubble-ai:#ecfdf5; --ai-border:#a7f3d0;
  --border:#e6e9ef; --border-2:#eef1f5; --danger:#ef4444; --green:#10b981; --purple:#7c5cff;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --shadow:0 4px 16px rgba(16,24,40,.08);
  --shadow-lg:0 20px 50px rgba(16,24,40,.18);
  --r:14px;
}
*{box-sizing:border-box}
/* 상단 전역 진행 바 (모든 네트워크 작업 중 표시) */
#topProgress{position:fixed;top:0;left:0;right:0;height:3px;z-index:9999;overflow:hidden;opacity:0;transition:opacity .25s;pointer-events:none}
#topProgress.on{opacity:1}
#topProgress::before{content:"";position:absolute;height:100%;width:35%;left:-35%;border-radius:3px;
  background:linear-gradient(90deg,#4f8cff,#2563eb,#10b981);box-shadow:0 0 10px rgba(37,99,235,.6);animation:tp 1.05s ease-in-out infinite}
@keyframes tp{0%{left:-35%}100%{left:100%}}
/* 버튼 로딩 상태 */
.btn-loading{position:relative;color:transparent!important;pointer-events:none;opacity:.85}
.btn-loading::after{content:"";position:absolute;inset:0;margin:auto;width:16px;height:16px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,.5);border-top-color:#fff;animation:spin .7s linear infinite}
.btn-ghost.btn-loading::after,.btn-danger.btn-loading::after{border-color:rgba(37,99,235,.3);border-top-color:var(--accent)}
html,body{height:100%;margin:0}
body{font-family:var(--font);
  background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased;
  letter-spacing:-.01em;text-rendering:optimizeLegibility}
button{font-family:inherit;cursor:pointer}
textarea,input,select{font-family:inherit}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#d4dae3;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#bcc4d0}

/* ---------- 로그인 ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(1200px 700px at 50% -20%,#e8f0ff,#f7f8fa 60%)}
.login-card{background:#fff;padding:40px 36px;border-radius:22px;width:360px;
  box-shadow:var(--shadow-lg);text-align:center;border:1px solid var(--border)}
.login-logo{width:64px;height:64px;margin:0 auto 6px;border-radius:18px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;font-size:32px;box-shadow:0 8px 20px rgba(37,99,235,.3)}
.login-card h1{margin:14px 0 2px;font-size:24px;font-weight:800;letter-spacing:-.5px}
.login-sub{color:var(--muted);margin:0 0 22px;font-size:13px}
.login-card input{width:100%;padding:13px 15px;margin:6px 0;border-radius:12px;border:1.5px solid var(--border);
  background:#fbfcfd;color:var(--text);outline:none;transition:.15s;font-size:14px}
.login-card input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.login-card button{width:100%;padding:13px;margin-top:12px;border:none;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;box-shadow:0 6px 16px rgba(37,99,235,.28);transition:.15s}
.login-card button:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(37,99,235,.34)}
.login-error{background:#fef2f2;color:#dc2626;padding:11px;border-radius:10px;margin-bottom:10px;font-size:13px;border:1px solid #fecaca}
.login-alt{margin-top:18px;font-size:13px}
.login-alt a{color:var(--accent);text-decoration:none;font-weight:600}
.login-foot{color:var(--faint);font-size:11px;margin-top:24px}

/* ---------- 레이아웃 ---------- */
#app{display:grid;grid-template-columns:84px 300px 1fr 0;height:100vh;height:100dvh;transition:grid-template-columns .22s ease}
#app.show-files{grid-template-columns:84px 300px 1fr 340px}

/* ---------- 내비게이션 레일 ---------- */
.rail{background:linear-gradient(180deg,#1e293b,#0f172a);display:flex;flex-direction:column;align-items:center;
  padding:14px 8px;gap:6px;overflow-y:auto}
.rail-logo{width:46px;height:46px;border-radius:14px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;font-size:24px;box-shadow:0 6px 16px rgba(37,99,235,.4);margin-bottom:8px;flex-shrink:0}
.rail-btn{width:64px;padding:9px 4px;border:none;background:transparent;color:#94a3b8;border-radius:14px;
  display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;transition:.14s;text-decoration:none;flex-shrink:0}
.rail-btn .ri{font-size:22px;line-height:1}
.rail-btn .rl{font-size:11px;font-weight:600;letter-spacing:-.2px}
.rail-btn:hover{background:rgba(255,255,255,.08);color:#e2e8f0}
.rail-btn.active{background:rgba(59,130,246,.22);color:#fff}
.rail-btn.active .ri{transform:scale(1.05)}
.rail-spacer{flex:1}

/* ---------- 홈(온보딩) 뷰 ---------- */
.home{position:absolute;inset:0 0 0 84px;background:linear-gradient(180deg,#f8fafc,#eef2f7);
  overflow-y:auto;display:none;z-index:15}
#app.mode-home .home{display:block}
#app.mode-home .sidebar,#app.mode-home .chat{visibility:hidden}
.home-inner{max-width:940px;margin:0 auto;padding:48px 32px 60px}
.home-hi{font-size:30px;font-weight:800;letter-spacing:-.6px;margin:0 0 6px}
.home-hi .wave{display:inline-block;animation:wave 1.6s ease-in-out infinite;transform-origin:70% 70%}
@keyframes wave{0%,60%,100%{transform:rotate(0)}20%{transform:rotate(16deg)}40%{transform:rotate(-8deg)}}
.home-sub{color:var(--muted);font-size:15px;margin:0 0 28px}
.home-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:28px}
.home-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow-sm);transition:.15s}
.home-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.home-card .hc-ic{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:12px}
.home-card h3{margin:0 0 5px;font-size:16px;font-weight:700}
.home-card p{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.55}
.home-section-title{font-size:16px;font-weight:800;margin:8px 0 14px;display:flex;align-items:center;gap:8px}
.home-steps{display:flex;flex-direction:column;gap:10px;margin-bottom:32px}
.home-step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px}
.home-step .sn{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent-2);
  font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.home-step.done .sn{background:var(--green);color:#fff}
.home-step .st-body{flex:1}
.home-step .st-body h4{margin:0 0 3px;font-size:14.5px}
.home-step .st-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.room-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;cursor:pointer;
  display:flex;gap:12px;align-items:center;transition:.15s}
.room-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#cbd5e1}
.room-card .rc-av{width:44px;height:44px;border-radius:13px;color:#fff;font-weight:800;display:flex;
  align-items:center;justify-content:center;flex-shrink:0;font-size:16px}
.room-card .rc-name{font-weight:700}
.room-card .rc-desc{color:var(--muted);font-size:12.5px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}

/* ---------- 사이드바 ---------- */
.sidebar{background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;min-width:0}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:18px 16px 12px}
.brand{font-weight:800;font-size:18px;display:flex;gap:10px;align-items:center;letter-spacing:-.4px}
.brand .logo{width:32px;height:32px;border-radius:10px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;font-size:17px;box-shadow:0 4px 10px rgba(37,99,235,.28)}
.search{padding:0 14px 12px}
.search input{width:100%;padding:11px 14px;border-radius:12px;border:1.5px solid transparent;background:var(--bg3);
  color:var(--text);outline:none;transition:.15s;font-size:13.5px}
.search input:focus{background:#fff;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.room-list{flex:1;overflow-y:auto;padding:4px 8px}
.room-item{display:flex;gap:12px;align-items:center;padding:11px 12px;cursor:pointer;border-radius:14px;margin-bottom:2px;transition:.12s;touch-action:manipulation}
.room-item:hover{background:#fff;box-shadow:var(--shadow-sm)}
.room-item.active{background:#fff;box-shadow:var(--shadow);border:1px solid var(--border)}
.room-avatar{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#fff;flex-shrink:0;font-size:16px;box-shadow:var(--shadow-sm)}
.room-meta{min-width:0;flex:1}
.room-del{opacity:0;color:var(--muted);cursor:pointer;font-size:15px;padding:5px;border-radius:8px;flex-shrink:0;transition:.1s}
.room-item:hover .room-del{opacity:1}
.room-del:hover{color:var(--danger);background:var(--bg3)}
.room-name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14.5px}
.room-desc{color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.sidebar-foot{border-top:1px solid var(--border);padding:12px 14px;display:flex;align-items:center;justify-content:space-between;background:var(--bg2)}
.sidebar-foot .me{display:flex;gap:10px;align-items:center;min-width:0}
.foot-actions{display:flex;gap:4px}
.icon-btn{background:transparent;border:none;color:var(--text);font-size:20px;padding:9px;border-radius:12px;
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:.12s;line-height:1}
.icon-btn:hover{background:var(--bg3);color:var(--text)}
.icon-btn svg{display:block}
.icon-btn.fp-spin{animation:fpspin .6s linear infinite;color:var(--accent)}
@keyframes fpspin{to{transform:rotate(360deg)}}
/* 원격 워크스페이스 정보 바 */
.fp-wsbar{padding:10px 14px;border-bottom:1px solid var(--border);background:#f8fafc}
.ws-top{display:flex;align-items:center;gap:8px;justify-content:space-between}
.ws-path{font-size:12px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-family:ui-monospace,Menlo,Consolas,monospace}
.ws-change{flex-shrink:0;font-size:11px;font-weight:800;color:var(--accent);background:#eef2ff;border:1px solid #c7d2fe;
  border-radius:8px;padding:3px 10px;cursor:pointer;transition:.12s}
.ws-change:hover{background:#e0e7ff}
.ws-bar{height:7px;border-radius:5px;background:#e2e8f0;overflow:hidden;margin:8px 0 5px}
.ws-bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,#34d399,#059669)}
.ws-bar.warm i{background:linear-gradient(90deg,#fbbf24,#f59e0b)}
.ws-bar.hot i{background:linear-gradient(90deg,#f87171,#dc2626)}
.ws-meta{font-size:11px}
.ws-diskcard{background:var(--bg3);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-bottom:2px}
/* 워크스페이스 폴더 탐색기 (모달 내부) */
.ws-browse{border:1.5px solid var(--border);border-radius:12px;overflow:hidden}
.ws-crumb{padding:9px 12px;background:var(--bg3);border-bottom:1px solid var(--border);font-size:12px;
  font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--text);white-space:nowrap;overflow-x:auto}
.ws-list{max-height:280px;overflow-y:auto}
.ws-item{display:flex;align-items:center;gap:9px;padding:9px 12px;cursor:pointer;font-size:13.5px;
  border-bottom:1px solid var(--border);transition:.1s}
.ws-item:last-child{border-bottom:none}
.ws-item:hover{background:var(--accent-soft)}
.ws-item.ws-up{color:var(--muted)}
.ws-item .ws-ic{font-size:16px;flex-shrink:0}
.ws-pick{flex-shrink:0;font-size:11px;font-weight:800;color:var(--accent);background:#eef2ff;border:1px solid #c7d2fe;
  border-radius:8px;padding:3px 10px;opacity:0;transition:.12s}
.ws-item:hover .ws-pick{opacity:1}
.ws-pick:hover{background:#e0e7ff}
/* 헤더/사이드바 액션 아이콘 — 크고 눈에 잘 띄게 (원형 칩) */
.chat-actions .icon-btn,.foot-actions .icon-btn,.sidebar-head #newRoomBtn,.fp-head .icon-btn{
  font-size:22px;width:44px;height:44px;background:#fff;border:1px solid var(--border);
  box-shadow:var(--shadow-sm);color:#334155}
.chat-actions .icon-btn:hover,.foot-actions .icon-btn:hover,.sidebar-head #newRoomBtn:hover,.fp-head .icon-btn:hover{
  background:var(--accent-soft);border-color:#bcd4ff;color:var(--accent-2);transform:translateY(-1px)}
.sidebar-head #newRoomBtn{font-size:26px;color:var(--accent);font-weight:700}
.chat-actions{gap:8px}

/* ---------- 채팅 ---------- */
.chat{display:flex;flex-direction:row;min-width:0;overflow:hidden}
.chat-col{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;background:linear-gradient(180deg,#fbfcfe,#f4f6fa)}
/* 채팅 ↔ 화상회의 분할 구분선 (드래그로 크기 조절) */
.split-divider{display:none;flex:0 0 7px;cursor:col-resize;background:var(--border);position:relative;transition:background .12s}
.split-divider::after{content:"";position:absolute;inset:0;margin:auto;width:3px;height:34px;background:#c3ccd8;border-radius:3px}
.split-divider:hover{background:var(--accent)}
#app.in-call .split-divider{display:block}
#app.in-call #callView{display:flex}
.menu-btn{display:inline-flex}
/* 데스크톱: 사이드바 접기 */
.expand-sidebar-btn{display:none}
@media(min-width:761px){
  #app.sidebar-collapsed{grid-template-columns:84px 0 1fr 0}
  #app.sidebar-collapsed.show-files{grid-template-columns:84px 0 1fr 340px}
  /* display:none 대신 폭만 0으로 (그리드 흐름 유지 → 채팅 영역이 접히지 않음) */
  #app.sidebar-collapsed .sidebar{min-width:0;overflow:hidden;border-right:none}
  #app.sidebar-collapsed .expand-sidebar-btn{display:flex;position:absolute;left:84px;top:14px;z-index:30;
    width:26px;height:44px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);
    border-left:none;border-radius:0 12px 12px 0;box-shadow:var(--shadow);cursor:pointer;color:var(--accent);font-size:13px}
  #app.sidebar-collapsed .expand-sidebar-btn:hover{background:var(--accent-soft)}
}
@media(max-width:1024px) and (min-width:761px){
  #app.sidebar-collapsed .expand-sidebar-btn{left:80px}
}
.chat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;
  background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.ct-name{font-weight:700;font-size:16.5px;letter-spacing:-.3px}
.ct-sub{color:var(--muted);font-size:12.5px;margin-top:1px}
.chat-actions{display:flex;gap:2px}
.messages{flex:1;overflow-y:auto;padding:24px 9%;display:flex;flex-direction:column;gap:12px}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* 메시지 행: 아바타 + 말풍선 */
.msg-row{display:flex;gap:10px;align-items:flex-end;max-width:76%;min-width:0;animation:pop .2s ease}
.msg-row>.msg{min-width:0}
.msg-row.out{align-self:flex-end;flex-direction:row-reverse}
.msg-row.in{align-self:flex-start}
.msg-row.system{align-self:center;max-width:90%}
.msg-av{width:36px;height:36px;border-radius:12px;color:#fff;font-weight:800;font-size:13px;display:flex;
  align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-sm);margin-bottom:2px}
.msg-av.ai{background:var(--grad-ai)}
img.msg-av{object-fit:cover}

.msg{padding:11px 15px;border-radius:18px;background:var(--bubble-other);word-wrap:break-word;
  position:relative;box-shadow:0 1px 2px rgba(16,24,40,.07);min-width:0}
.msg.me{background:var(--bubble-me);color:#fff;border-bottom-right-radius:6px}
.msg.in-user{border-bottom-left-radius:6px}
.msg.ai{background:#fff;border:1px solid var(--ai-border);border-bottom-left-radius:6px}
.msg.system{background:#eef1f5;color:var(--muted);font-size:12px;box-shadow:none;border-radius:20px;padding:6px 14px}
.msg .author{font-size:12.5px;font-weight:700;margin-bottom:4px}
.msg .body{line-height:1.6;font-size:14.5px;overflow-wrap:anywhere;word-break:keep-all;min-width:0}
.msg .body>*:first-child{margin-top:0}
.msg .body>*:last-child{margin-bottom:0}
.msg.me .body a{color:#dbeafe;text-decoration:underline}
.msg .time{font-size:10.5px;color:var(--faint);text-align:right;margin-top:5px}
.msg.me .time{color:rgba(255,255,255,.8)}
.msg .toolcall{font-size:12px;color:#047857;background:#d1fae5;padding:5px 9px;border-radius:8px;margin:5px 0;font-family:ui-monospace,monospace;word-break:break-all}
.ai-cursor::after{content:"▍";animation:blink 1s steps(2) infinite;color:var(--green)}
@keyframes blink{50%{opacity:0}}

/* AI 생성 중 진행 표시 */
.ai-progress{display:inline-flex;align-items:center;gap:9px;color:#059669;font-weight:700;font-size:12.5px;
  margin-top:6px;padding:5px 12px;background:#ecfdf5;border:1px solid var(--ai-border);border-radius:20px}
.ai-spin{width:14px;height:14px;border:2.5px solid #a7f3d0;border-top-color:#059669;border-radius:50%;
  animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-progress .dots{display:inline-flex;gap:3px}
.ai-progress .dots i{width:6px;height:6px;border-radius:50%;background:#10b981;display:inline-block;animation:bnc 1.2s infinite ease-in-out}
.ai-progress .dots i:nth-child(2){animation-delay:.15s}
.ai-progress .dots i:nth-child(3){animation-delay:.3s}
@keyframes bnc{0%,80%,100%{transform:translateY(0);opacity:.35}40%{transform:translateY(-5px);opacity:1}}
.ai-stop{margin-left:8px;background:#fff;border:1px solid var(--danger);color:var(--danger);font-weight:700;
  font-size:12px;padding:3px 10px;border-radius:16px;cursor:pointer;transition:.12s}
.ai-stop:hover{background:var(--danger);color:#fff}
.ai-stop:disabled{opacity:.6;cursor:default}

/* 대화 선택 삭제 모드 */
.select-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;
  background:var(--accent-soft);border-bottom:1px solid var(--border);font-weight:700;color:var(--accent-2)}
.messages.select-mode .msg-tools{display:none!important}
.messages.select-mode .msg-row{cursor:pointer}
.messages.select-mode .msg-row .msg{transition:.1s}
.messages.select-mode .msg-row.sel .msg{box-shadow:0 0 0 3px var(--accent);}
.messages.select-mode .msg-row.sel::after{content:"✓";position:absolute;width:22px;height:22px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;
  margin:-4px 0 0 -4px;box-shadow:var(--shadow-sm);z-index:2}
.messages.select-mode .msg-row{position:relative}

/* ---------- 마크다운 (AI 답변) ---------- */
.md h1,.md h2,.md h3,.md h4{margin:14px 0 8px;font-weight:800;line-height:1.3;letter-spacing:-.3px}
.md h1{font-size:20px;border-bottom:1px solid var(--border);padding-bottom:6px}
.md h2{font-size:18px}
.md h3{font-size:16px}
.md h4{font-size:14.5px}
.md p{margin:9px 0}
.md ul,.md ol{margin:9px 0;padding-left:22px}
.md li{margin:4px 0}
.md li>ul,.md li>ol{margin:4px 0}
.md blockquote{margin:10px 0;padding:6px 14px;border-left:3px solid var(--accent);background:var(--accent-soft);
  border-radius:0 10px 10px 0;color:#334155}
.md hr{border:none;border-top:1px solid var(--border);margin:14px 0}
.md a{color:var(--accent);text-decoration:underline}
.md b,.md strong{font-weight:700}
.md code{background:rgba(15,23,42,.07);padding:1.5px 6px;border-radius:5px;font-size:12.8px;font-family:ui-monospace,Menlo,Consolas,monospace}
.md pre.code{background:#0f172a;color:#e2e8f0;padding:14px 16px;border-radius:12px;overflow-x:auto;margin:10px 0;line-height:1.5}
.md pre.code code{background:none;color:inherit;padding:0;font-size:12.8px}
.md .md-img{max-width:100%;border-radius:10px;margin:8px 0}
.md table{border-collapse:collapse;margin:10px 0;width:100%;font-size:13px;overflow:hidden;border-radius:10px}
.md th,.md td{border:1px solid var(--border);padding:7px 11px;text-align:left}
.md th{background:var(--bg3);font-weight:700}
.md tr:nth-child(even) td{background:#fafbfc}

.typing-bar{height:20px;padding:0 10%;color:var(--muted);font-size:12.5px;font-style:italic}

/* 입력창 영역 */
.composer{position:relative;align-items:flex-end}
.composer-input{flex:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 14px;border-radius:18px;
  border:1.5px solid var(--border);background:#fff;transition:.15s;min-height:64px}
.composer-input:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.composer-input.ai-mode{border-color:var(--green);box-shadow:0 0 0 4px rgba(16,185,129,.18)}
.composer-input textarea{flex:1;min-width:120px;resize:none;max-height:200px;min-height:44px;border:none;background:transparent;
  color:var(--text);outline:none;line-height:1.5;font-size:15px;padding:0}
.ai-chip{display:inline-flex;align-items:center;gap:6px;background:var(--grad-ai);color:#fff;font-weight:800;
  padding:6px 12px;border-radius:20px;font-size:13.5px;box-shadow:0 2px 8px rgba(16,185,129,.35);animation:pop .15s ease;flex-shrink:0}
.ai-chip-x{cursor:pointer;font-size:16px;line-height:1;opacity:.85;margin-left:2px}
.ai-chip-x:hover{opacity:1}
/* 붙여넣기/첨부 대기 이미지 미리보기 */
.pending-atts{display:flex;flex-wrap:wrap;gap:8px;width:100%;order:-1}
.pa-chip{position:relative;width:60px;height:60px;border-radius:12px;overflow:hidden;border:1.5px solid var(--border);
  background:var(--bg3);flex-shrink:0;animation:pop .15s ease}
.pa-chip img{width:100%;height:100%;object-fit:cover;display:block}
.pa-chip.pa-file{display:flex;align-items:center;justify-content:center;width:auto;max-width:150px;padding:0 10px;
  font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pa-x{position:absolute;top:2px;right:2px;width:18px;height:18px;border:none;border-radius:50%;
  background:rgba(15,23,42,.72);color:#fff;font-size:13px;line-height:1;cursor:pointer;display:flex;
  align-items:center;justify-content:center;padding:0}
.pa-x:hover{background:#dc2626}
.pa-chip.pa-file .pa-x{position:static;margin-left:6px;background:var(--border);color:var(--text)}
.drop-overlay{position:absolute;inset:6px;border:2.5px dashed var(--accent);border-radius:18px;background:rgba(37,99,235,.08);
  display:none;align-items:center;justify-content:center;color:var(--accent-2);font-weight:800;font-size:16px;z-index:5}
.composer.dragover .drop-overlay{display:flex}

/* 스킬 / 슬래시 명령 메뉴 */
.slash-menu{position:absolute;bottom:calc(100% + 8px);left:20px;right:20px;max-width:520px;max-height:300px;
  overflow-y:auto;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);
  padding:8px;z-index:30}
.slash-head{font-size:11.5px;font-weight:700;color:var(--muted);padding:6px 10px 4px;text-transform:none}
.slash-item{display:flex;gap:11px;align-items:center;padding:9px 11px;border-radius:11px;cursor:pointer;transition:.1s}
.slash-item:hover,.slash-item.sel{background:var(--accent-soft)}
.slash-item .si-ic{width:34px;height:34px;border-radius:10px;background:var(--grad-ai);color:#fff;display:flex;
  align-items:center;justify-content:center;flex-shrink:0;font-size:16px}
.slash-item .si-name{font-weight:700;font-size:13.5px}
.slash-item .si-name .si-scope{font-size:10.5px;font-weight:600;color:var(--muted);margin-left:6px;
  background:var(--bg3);padding:1px 7px;border-radius:10px}
.slash-item .si-desc{color:var(--muted);font-size:12px;margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:400px}
.slash-empty{padding:16px;text-align:center;color:var(--muted);font-size:13px;line-height:1.6}

/* 메시지 도구(재실행/삭제) + 첨부/아티팩트 */
.msg .msg-tools{position:absolute;top:4px;right:6px;display:flex;gap:3px;opacity:0;transition:.1s}
.msg:hover .msg-tools{opacity:1}
.msg .msg-tool{cursor:pointer;color:var(--muted);font-size:13px;background:rgba(255,255,255,.9);
  border-radius:7px;padding:1px 6px;border:1px solid var(--border);line-height:1.5}
.msg.me .msg-tool{background:rgba(255,255,255,.25);color:#fff;border-color:transparent}
.msg .msg-tool.re:hover{color:var(--accent)}
.msg .msg-tool.del:hover{color:var(--danger)}
.msg .msg-tool.copy:hover{color:var(--accent)}
.msg .msg-tool.ok{color:#059669}
.attachments{display:flex;flex-direction:column;gap:8px;margin-top:8px;max-width:100%;min-width:0}
.att-image{max-width:min(340px,100%);max-height:320px;border-radius:12px;cursor:pointer;border:1px solid var(--border)}
.att-file{display:flex;align-items:center;gap:10px;background:rgba(15,23,42,.05);border:1px solid var(--border);
  border-radius:12px;padding:9px 12px;text-decoration:none;color:inherit;max-width:min(340px,100%);box-sizing:border-box}
.msg.me .att-file{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.25)}
.att-file .att-ic{font-size:22px}
.att-file .att-meta{min-width:0;flex:1}
.att-file .att-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att-file .att-dl{font-size:12px;opacity:.8}
/* HTML 웹앱 첨부 (채팅 내 실행) */
.att-app{background:rgba(15,23,42,.05);border:1px solid var(--border);border-radius:12px;padding:10px 12px;width:100%;max-width:min(520px,100%);box-sizing:border-box}
.msg.me .att-app{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.25)}
.att-app-head{display:flex;align-items:center;gap:10px}
.att-app-head .att-meta{flex:1;min-width:0}
.att-run{background:var(--grad);color:#fff;border:none;border-radius:9px;padding:6px 12px;font-weight:700;font-size:12.5px;cursor:pointer;flex-shrink:0}
.att-run:hover{filter:brightness(1.05)}
.att-run-dl{text-decoration:none;color:inherit;font-size:16px;opacity:.8}
.att-frame{width:100%;height:440px;border:1px solid var(--border);border-radius:10px;margin-top:10px;background:#fff;display:block}
.composer{display:flex;align-items:flex-end;gap:10px;padding:14px 20px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-top:1px solid var(--border)}
/* 첨부 버튼 — 크고 깔끔하게 */
.attach-btn{flex-shrink:0;width:52px;height:52px;border-radius:16px;border:1.5px solid var(--border);
  background:var(--bg2);color:#475569;display:flex;align-items:center;justify-content:center;transition:.15s;cursor:pointer}
.attach-btn:hover{background:var(--accent-soft);border-color:#bcd4ff;color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.attach-btn svg{display:block}
.rag-btn{flex-direction:column;gap:1px}
.rag-btn svg{display:block}
.rag-lbl{font-size:8.5px;font-weight:800;line-height:1;letter-spacing:.3px}
.rag-btn.on{background:var(--grad-ai);color:#fff;border-color:transparent;box-shadow:0 3px 10px rgba(16,185,129,.4)}
/* Claude Code 모드 (주황색) — 클래스명 codebtn: 화상 call-control(.cc-btn)과 충돌 방지 */
.codebtn{flex-direction:column;gap:1px;color:#ea580c}
.codebtn svg{display:block}
.cc-lbl{font-size:8px;font-weight:800;letter-spacing:.3px}
.codebtn.on{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;border-color:transparent;box-shadow:0 3px 10px rgba(245,158,11,.45)}
.composer-input.cc-mode{border-color:#f59e0b;box-shadow:0 0 0 4px rgba(245,158,11,.18)}
/* 협업/원격 전용 요소 표시는 #app 클래스로 제어 (인라인 display 토글 리페인트 문제 회피) */
.collab-only,.ssh-only{display:none !important}
#app.is-collab .collab-only{display:inline-flex !important}
#app.is-ssh .ssh-only{display:inline-flex !important}
/* 로컬 ↔ 원격 전환 토글 (아이콘만, 다른 아이콘칩과 동일 크기) */
.mode-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);color:#334155;
  border-radius:12px;cursor:pointer;transition:.12s;padding:0}
.mode-toggle:hover{background:var(--bg3)}
.mode-toggle .mt-ico{display:flex;align-items:center;justify-content:center}
.mode-toggle svg{display:block}
.mode-toggle.remote{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;border-color:transparent;
  box-shadow:0 3px 10px rgba(79,70,229,.35)}
/* Claude Code 실행 메시지 — 주황 강조 */
.msg-row.cc .msg.ai{border-color:#fdba74;background:#fffbeb}
.msg-row.cc .ai-progress{background:#fff7ed;border-color:#fdba74;color:#c2410c}
.msg-row.cc .ai-spin{border-color:#fed7aa;border-top-color:#ea580c}
.msg-row.cc .ai-progress .dots i{background:#f59e0b}
.msg-row.cc .toolwrap{margin-top:6px}
.msg-row.cc .toolcall{background:#0f172a;color:#fdba74;border:1px solid #7c2d12;font-size:12px;line-height:1.5}
.msg-row.cc .toolcall b{color:#fbbf24}
.toolcall b{font-weight:700}
.cc-summary{display:inline-flex;align-items:center;gap:6px;margin:2px 0 8px;padding:5px 11px;border-radius:9px;
  background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;font-size:12.5px;font-weight:800}
.msg-row.cc .cc-summary{background:#fff7ed;color:#c2410c;border-color:#fed7aa}
.send-btn{border:none;border-radius:16px;width:52px;height:52px;font-size:21px;color:#fff;background:var(--grad);
  box-shadow:0 4px 12px rgba(37,99,235,.32);transition:.15s;flex-shrink:0}
.send-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}

/* 초대 박스 */
.invite-box{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:16px}
.invite-box input,.invite-box select{padding:11px 13px;border-radius:11px;border:1.5px solid var(--border);background:#fff;color:var(--text);outline:none;font-size:14px}
.invite-box input:focus,.invite-box select:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}

/* ---------- 파일 패널 ---------- */
.filepanel{background:var(--bg2);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;position:relative}
.filepanel.fp-drag{outline:2.5px dashed var(--accent);outline-offset:-8px}
.filepanel.fp-drag::after{content:"⬆ 여기에 놓아 현재 폴더에 업로드";position:absolute;inset:0;z-index:5;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;
  color:var(--accent-2);font-weight:800;background:rgba(232,240,254,.75);pointer-events:none}
#app:not(.show-files) .filepanel{display:none}
.fp-head{display:flex;flex-direction:column;align-items:stretch;gap:11px;padding:14px 16px;border-bottom:1px solid var(--border);font-weight:700}
.fp-head #fpTitle{font-size:15px;letter-spacing:-.2px}
.fp-head .fp-actions{display:flex;gap:6px;flex-wrap:wrap}
.fp-tree{flex:1;overflow-y:auto;padding:8px}
.fp-node{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:9px;cursor:pointer;font-size:13px;white-space:nowrap;overflow:hidden;transition:.1s}
.fp-node:hover{background:#fff;box-shadow:var(--shadow-sm)}
.fp-node .fp-del{margin-left:auto;opacity:0;color:var(--danger)}
.fp-node:hover .fp-del{opacity:1}
.fp-children{margin-left:16px;border-left:2px solid var(--border-2);padding-left:2px}
.fp-crumb{font-size:12.5px;padding:4px 8px 8px;display:flex;flex-wrap:wrap;gap:2px;align-items:center;color:var(--muted)}
.fp-cr{cursor:pointer;color:var(--accent);font-weight:600}
.fp-cr:hover{text-decoration:underline}
.fp-active{font-size:12px;background:var(--accent-soft);border:1px solid #cfe0ff;border-radius:10px;padding:8px 10px;margin:0 4px 8px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--accent-2)}
.fp-clear{cursor:pointer;color:var(--danger);font-weight:600;text-decoration:underline}
.fp-setactive{margin-left:auto;background:var(--grad);color:#fff;border:none;border-radius:8px;padding:5px 10px;font-weight:700;font-size:11.5px;cursor:pointer}
.fp-node .fp-dl{opacity:0;color:var(--accent);cursor:pointer;font-size:14px;padding:0 4px;text-decoration:none}
.fp-node:hover .fp-dl{opacity:.9}
.fp-node .fp-dl:hover{opacity:1;transform:scale(1.15)}
.fp-node .fp-star{opacity:0;color:#f59e0b;cursor:pointer;font-size:14px;padding:0 4px}
.fp-node:hover .fp-star{opacity:.9}
.fp-node .fp-star:hover{opacity:1;transform:scale(1.2)}

/* ---------- 모달 ---------- */
.modal{position:fixed;inset:0;background:rgba(17,24,39,.45);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fade .15s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{background:#fff;border-radius:20px;width:480px;max-width:94vw;max-height:88vh;overflow-y:auto;padding:26px;box-shadow:var(--shadow-lg);animation:rise .2s ease}
@keyframes rise{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;font-weight:800;font-size:17px;margin-bottom:18px;letter-spacing:-.3px}
.modal-head>div{display:flex;gap:8px;align-items:center}
.editor-box{width:860px}
.editor-box #editorArea{width:100%;height:60vh;background:#0f172a;color:#e2e8f0;border:none;border-radius:12px;
  padding:16px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;outline:none;resize:none;line-height:1.55}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:11px;border:1.5px solid var(--border);
  background:#fbfcfd;color:var(--text);outline:none;transition:.15s;font-size:14px}
.field input:focus,.field select:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.field input[type=color]{padding:4px;height:44px;cursor:pointer}
.btn-primary{background:var(--grad);color:#fff;border:none;border-radius:11px;padding:11px 18px;font-weight:700;box-shadow:0 4px 12px rgba(37,99,235,.26);transition:.15s}
.btn-primary:hover{transform:translateY(-1px)}
.btn-danger{background:#fff;color:var(--danger);border:1.5px solid #fecaca;border-radius:11px;padding:10px 16px;font-weight:700;transition:.15s}
.btn-danger:hover{background:#fef2f2}
.btn-ghost{background:var(--bg3);color:var(--text);border:none;border-radius:11px;padding:11px 16px;font-weight:600;transition:.15s}
.btn-ghost:hover{background:#e2e6ec}
.btn-ghost.n-danger,.n-danger{color:#dc2626}
.btn-ghost.n-danger:hover{background:#fef2f2}
.modal-box.wide{width:820px}
/* ---------- 연구노트 목록(테이블) ---------- */
.notes-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.notes-search{flex:0 0 240px;padding:10px 13px;border-radius:11px;border:1.5px solid var(--border);
  background:#fbfcfd;outline:none;font-size:14px;transition:.15s}
.notes-search:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.notes-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:14px}
.notes-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
.notes-table thead th{text-align:left;padding:11px 12px;background:var(--bg3);color:var(--muted);
  font-weight:700;font-size:12.5px;border-bottom:1px solid var(--border);white-space:nowrap;position:sticky;top:0}
.notes-table th.c,.notes-table td.c{width:38px;text-align:center}
.notes-table th.sortable{cursor:pointer;user-select:none}
.notes-table th.sortable:hover{color:var(--accent)}
.notes-table tbody td{padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
.notes-table tbody tr:last-child td{border-bottom:none}
.notes-table tbody tr:hover{background:#f8fafc}
.notes-table .nt-title{font-weight:600;color:var(--text);cursor:pointer;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notes-table .nt-title:hover{color:var(--accent);text-decoration:underline}
.notes-table .nt-dim{color:var(--muted);white-space:nowrap;font-size:12.5px}
.notes-table .nt-act{white-space:nowrap;display:flex;gap:3px}
.notes-table input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--accent)}
.mini{background:transparent;border:1px solid transparent;border-radius:8px;padding:4px 7px;font-size:14px;cursor:pointer;transition:.12s}
.mini:hover{background:var(--bg3);border-color:var(--border)}
.mini.n-danger:hover{background:#fef2f2;border-color:#fecaca}
.notes-empty{padding:34px 16px;text-align:center;color:var(--text);line-height:1.7;border:1px dashed var(--border);border-radius:14px}
.notes-foot{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:10px;flex-wrap:wrap}
.notes-pager{display:flex;gap:4px}
.pg-btn{min-width:32px;height:32px;border:1px solid var(--border);background:#fff;border-radius:9px;cursor:pointer;
  font-weight:600;font-size:13px;color:var(--text);transition:.12s;padding:0 8px}
.pg-btn:hover:not(:disabled):not(.cur){background:var(--bg3)}
.pg-btn.cur{background:var(--accent);color:#fff;border-color:transparent}
.pg-btn:disabled{opacity:.4;cursor:default}
.note-editor{width:100%;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;line-height:1.55;
  padding:14px;border-radius:12px;border:1.5px solid var(--border);background:#fbfcfd;outline:none;resize:vertical}
.note-editor:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
/* AI 자동 작성 진행 바 */
.note-progress{margin-top:14px;padding:14px 16px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px}
.np-bar{height:8px;border-radius:6px;background:#dbeafe;overflow:hidden;position:relative}
.np-bar i{position:absolute;left:0;top:0;height:100%;width:38%;border-radius:6px;background:var(--grad);
  animation:npslide 1.15s ease-in-out infinite}
@keyframes npslide{0%{left:-40%}100%{left:100%}}
.np-txt{margin-top:9px;font-size:13px;color:var(--accent);font-weight:600}
.row{display:flex;gap:10px;align-items:center}
.tabs{display:flex;gap:4px;margin-bottom:18px;background:var(--bg3);padding:4px;border-radius:12px}
.tab{padding:9px 16px;cursor:pointer;color:var(--muted);border-radius:9px;font-weight:600;flex:1;text-align:center;transition:.12s}
.tab.active{color:var(--accent);background:#fff;box-shadow:var(--shadow-sm)}
.user-row{display:flex;align-items:center;gap:11px;padding:10px;border-radius:12px;transition:.1s}
.user-row:hover{background:var(--bg2)}
.pill{font-size:11px;padding:3px 9px;border-radius:20px;background:var(--accent-soft);color:var(--accent-2);font-weight:600}
.pill.admin{background:#fee2e2;color:#dc2626}
.pill.ok{background:#d1fae5;color:#047857}
.pill.off{background:#f1f3f5;color:#94a3b8}
.avatar{width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex-shrink:0;box-shadow:var(--shadow-sm)}
.muted{color:var(--muted);font-size:12.5px}
.checkline{display:flex;align-items:center;gap:9px;padding:6px 0}
.checkline input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);cursor:pointer}
.checkline label{cursor:pointer}
.os-tabs{display:flex;gap:6px;margin:10px 0 6px;flex-wrap:wrap}
.os-tab{padding:7px 13px;border:1.5px solid var(--border);background:#fff;border-radius:10px;font-weight:700;font-size:12.5px;cursor:pointer;color:var(--muted);transition:.12s}
.os-tab:hover{border-color:#cbd5e1}
.os-tab.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-2)}
/* 서버 상태 바 */
.stat-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-size:15px}
.stat-metric,.stat-disk{margin-bottom:14px}
.stat-disk{margin-bottom:8px}
.stat-label{font-size:13px;margin-bottom:5px}
.stat-bar{height:10px;background:var(--bg3);border-radius:6px;overflow:hidden}
.stat-bar>div{height:100%;border-radius:6px;transition:width .4s}
.icon-btn.on,.attach-btn.on{background:var(--accent-soft);color:var(--accent-2);border-color:#bcd4ff}
hr.sep{border:none;border-top:1px solid var(--border);margin:16px 0}

/* ---------- 화상 회의 (채팅과 분할) ---------- */
.callview{display:none;flex:0 0 55%;min-width:260px;min-height:180px;background:#0b1220;color:#fff;
  flex-direction:column;position:relative;overflow:hidden}
.call-head{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;font-weight:700}
.ch-left{display:flex;align-items:center;gap:14px}
.call-timer{font-variant-numeric:tabular-nums;background:rgba(255,255,255,.1);padding:4px 12px;border-radius:20px;font-size:14px}
.rec-badge{color:#fff;background:var(--danger);padding:4px 12px;border-radius:20px;font-size:12px;animation:blink 1.4s infinite}
.ch-right{display:flex;gap:10px;align-items:center}
.ch-btn{background:rgba(255,255,255,.12);color:#fff;border:none;border-radius:20px;padding:8px 14px;font-weight:700;cursor:pointer}
.ch-btn:hover{background:rgba(255,255,255,.2)}
.call-body{flex:1;display:flex;min-height:0}
.call-stage{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
.call-grid{flex:1;display:grid;gap:12px;padding:14px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-content:center;overflow:auto}
/* 핀(선택)한 참여자만 크게 — 나머지는 그대로 모두 표시 */
.call-tile.pinned{grid-column:span 2;grid-row:span 2}
.call-tile{position:relative;background:#111827;border-radius:16px;overflow:hidden;aspect-ratio:16/9;box-shadow:0 8px 24px rgba(0,0,0,.4);border:3px solid transparent;transition:border-color .15s;cursor:pointer}
.call-tile.speaking{border-color:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.4),0 8px 24px rgba(0,0,0,.4)}
.call-tile video{width:100%;height:100%;object-fit:cover;background:#111827}
.call-tile.cam-off video{opacity:0}
.call-tile .tile-avatar{position:absolute;inset:0;display:none;align-items:center;justify-content:center;font-size:40px;font-weight:800;color:#fff}
.call-tile.cam-off .tile-avatar{display:flex}
.call-tile .label{position:absolute;bottom:10px;left:10px;background:rgba(0,0,0,.55);padding:4px 12px;border-radius:20px;font-size:12.5px;color:#fff;backdrop-filter:blur(6px);display:flex;align-items:center;gap:6px}
.call-tile .mute-badge{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;background:var(--danger);
  display:none;align-items:center;justify-content:center;font-size:16px;box-shadow:var(--shadow)}
.call-tile.mic-off .mute-badge{display:flex}
.caption-bar{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);max-width:80%;text-align:center;
  color:#fff;font-size:15px;pointer-events:none;display:flex;flex-direction:column;gap:4px}
.caption-bar .cap{background:rgba(0,0,0,.6);padding:5px 14px;border-radius:10px;display:inline-block}
.caption-bar .cap.live{background:rgba(0,0,0,.42);opacity:.85;font-style:italic}
.call-panel{width:300px;background:#0f172a;border-left:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column}
.cp-head{padding:14px 16px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.08)}
.cp-list{flex:1;overflow-y:auto;padding:8px}
.cp-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px}
.cp-item:hover{background:rgba(255,255,255,.06)}
.cp-item.speaking{background:rgba(34,197,94,.15)}
.cp-item .cp-av{width:34px;height:34px;border-radius:10px;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.cp-item .cp-av img{width:100%;height:100%;object-fit:cover}
.cp-item .cp-name{flex:1;font-size:13.5px;font-weight:600}
.cp-item .cp-st{display:flex;gap:5px;font-size:14px;opacity:.9}
.call-controls{display:flex;justify-content:center;gap:10px;padding:16px;flex-wrap:wrap}
.cc-btn{background:rgba(255,255,255,.12);color:#fff;border:none;border-radius:14px;padding:9px 14px;min-width:66px;
  display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;transition:.14s;font-weight:600}
.cc-btn:hover{background:rgba(255,255,255,.22)}
.cc-btn .cc-ic{font-size:20px}
.cc-btn .cc-l{font-size:11px}
.cc-btn.off{background:var(--danger)}
.cc-btn.active{background:var(--accent)}
.device-pop{position:absolute;bottom:92px;right:22px;background:#0f172a;border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:16px;width:300px;box-shadow:var(--shadow-lg);z-index:5}
.device-pop .dp-title{font-weight:700;margin-bottom:10px}
.device-pop label{display:block;font-size:12px;color:#9aa5b5;margin:10px 0 4px}
.device-pop select{width:100%;padding:8px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.15);background:#1e293b;color:#fff}
.device-pop .checkline{display:flex;align-items:center;gap:8px;color:#e2e8f0;font-size:13px;margin-top:12px}
.device-pop .checkline input{width:16px;height:16px;accent-color:var(--accent)}

/* 태블릿: 사이드바 축소 */
@media(max-width:1024px){
  #app{grid-template-columns:80px 250px 1fr 0}
  #app.show-files{grid-template-columns:80px 250px 1fr 300px}
}
/* 모바일/좁은 화면: 사이드바·파일패널 오버레이, 분할 세로 배치 */
@media(max-width:760px){
  /* 앱을 화면(가시 뷰포트)에 정확히 고정 → 채팅 입력창이 항상 하단에 딱 붙음 */
  body:has(#app){overflow:hidden}
  #app{grid-template-columns:60px 1fr;grid-template-rows:100%;height:100dvh;
    position:fixed;top:0;left:0;right:0}
  #app.show-files{grid-template-columns:60px 1fr}
  .rail{padding:10px 3px}
  .rail-logo{width:40px;height:40px;font-size:20px;margin-bottom:4px}
  .rail-btn{width:52px;padding:8px 2px}
  .rail-btn .ri{font-size:20px}
  .rail-btn .rl{font-size:9.5px}
  .home{inset:0 0 0 60px}
  .home-inner{padding:26px 16px 48px}
  .home-hi{font-size:23px}
  .home-grid{grid-template-columns:1fr}
  .sidebar{position:absolute;left:60px;top:0;z-index:60;width:min(300px,78vw);height:100%;
    transform:translateX(-130%);transition:transform .22s;box-shadow:var(--shadow-lg)}
  #app.show-sidebar .sidebar{transform:none}
  #app:not(.mode-home) .filepanel{position:absolute;right:0;top:0;width:min(320px,86vw);height:100%;z-index:50;box-shadow:var(--shadow-lg)}
  .menu-btn{display:inline-flex}
  .messages{padding:14px 3%}
  .msg-row{max-width:92%}
  .chat-head{padding:10px 12px}
  .ct-name{font-size:15px}
  .ct-sub{font-size:11px}
  .chat-actions{gap:0}
  .chat-actions .icon-btn{width:38px;height:38px;font-size:17px}
  .composer{padding:9px 10px;gap:6px}
  .attach-btn{width:42px;height:42px;border-radius:12px}
  .attach-btn svg{width:20px;height:20px}
  .send-btn{width:42px;height:42px;border-radius:12px;font-size:18px}
  .composer-input{min-height:48px;padding:8px 12px}
  .composer-input textarea{font-size:15px;min-height:34px}
  /* 분할: 회의 위 / 채팅 아래 (세로 배치) */
  .chat{flex-direction:column}
  #app.in-call .callview{flex-basis:52%;min-width:0;min-height:200px}
  .split-divider{cursor:row-resize;flex-basis:12px}
  .split-divider::after{width:36px;height:3px}
  .call-head{padding:8px 12px}
  .ch-left{gap:8px;font-size:14px}
  .call-timer{padding:3px 9px;font-size:12px}
  .rec-badge{padding:3px 9px;font-size:11px}
  .ch-btn{padding:6px 10px;font-size:12px}
  .btn-danger{padding:6px 12px}
  .call-body{min-height:0}
  .call-stage{min-height:0}
  /* 영상이 남는 공간을 꽉 채우도록 (고정 비율 대신 셀 높이 채움) */
  .call-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));grid-auto-rows:1fr;
    gap:6px;padding:6px;align-content:stretch}
  .call-tile{aspect-ratio:auto;height:100%;min-height:110px}
  .call-tile.pinned{grid-column:span 2;grid-row:span 1}
  .call-tile .tile-avatar{font-size:30px}
  .call-tile .label{bottom:6px;left:6px;padding:3px 9px;font-size:11px}
  .call-tile .mute-badge{width:28px;height:28px;font-size:14px;top:6px;right:6px}
  /* 컨트롤: 한 줄 가로 스크롤(줄바꿈으로 영상 공간 잠식 방지) */
  .call-controls{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;gap:6px;padding:8px 10px;-webkit-overflow-scrolling:touch}
  .cc-btn{min-width:54px;padding:6px 8px;flex:0 0 auto}
  /* 참석자 패널: 화면을 잠식하지 않게 오른쪽 오버레이 */
  .call-panel{position:absolute;right:0;top:0;bottom:0;width:min(240px,72%);z-index:6;box-shadow:-8px 0 22px rgba(0,0,0,.45)}
  .caption-bar{font-size:12.5px;max-width:94%;bottom:8px}
  .device-pop{left:8px;right:8px;width:auto;bottom:74px}
  .modal-box{padding:18px;border-radius:16px}
  .editor-box{width:96vw}
  .editor-box #editorArea{height:52vh}
  .slash-menu{left:8px;right:8px}
}
/* 초소형: 레이블 숨겨 아이콘만 */
@media(max-width:440px){
  .rail-btn .rl{display:none}
  .rail-btn{width:44px;padding:9px 2px}
  #app{grid-template-columns:52px 1fr}
  #app.show-files{grid-template-columns:52px 1fr}
  .sidebar,.home{left:52px}
  .cc-btn .cc-l{display:none}
  .cc-btn{min-width:44px;padding:8px 6px;border-radius:12px}
  .call-panel{width:82%}
  .call-tile.pinned{grid-column:span 1;grid-row:span 1}
  .login-card{padding:30px 22px;width:94vw}
  .home-grid{gap:12px}
}
/* 모바일 공통: 헤더/입력창/모달 깨짐 방지 */
@media(max-width:760px){
  .chat-title{min-width:0;overflow:hidden}
  .ct-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .chat-actions{flex-shrink:0;gap:1px}
  .chat-actions .icon-btn{width:34px;height:34px;font-size:16px;padding:5px}
  /* 회의·파일은 좌측 레일에서 바로 열 수 있으므로 헤더에선 숨겨 혼잡 방지 */
  #callBtn,#filesBtn{display:none}
  /* 입력창: 텍스트영역은 윗줄 전체 폭, 액션 버튼은 아랫줄로 배치
     → 협업방처럼 버튼(CODE·RAG 등)이 많아도 절대 깨지지 않음 */
  .composer{flex-wrap:wrap;align-items:center;gap:6px}
  .composer-input{order:-1;flex:1 0 100%;width:100%;min-width:0}
  .composer .attach-btn{width:40px;height:40px}
  .composer .send-btn{width:40px;height:40px;font-size:17px;margin-left:auto}
  /* 모달: 화면폭에 맞추고 줄바꿈 허용 */
  .modal{align-items:flex-end}
  .modal-box{width:100vw;max-width:100vw;max-height:92vh;border-radius:18px 18px 0 0;padding:18px 16px}
  .modal-box.wide{width:100vw;max-width:100vw}   /* 연구노트·워크스페이스 등 넓은 모달도 화면폭에 맞춤 */
  .modal .row{flex-wrap:wrap}
  .modal .row>input,.modal .row>select{min-width:0}
  .tabs{flex-wrap:wrap}
  /* 연구노트 목록 도구모음: 검색창·버튼 줄바꿈 */
  .notes-toolbar{flex-wrap:wrap}
  .notes-search{flex:1 1 100%}
  .notes-table .nt-title{max-width:150px}
  /* 터치 기기: 호버가 없으므로 폴더 '지정' 버튼 항상 표시 */
  .ws-pick{opacity:1}
  .ws-list{max-height:44vh}
  /* 터치 기기: 메시지 도구(복사·재실행·삭제) 항상 보이게 */
  .msg .msg-tools{opacity:.85}
  /* iOS 입력 시 자동 확대 방지 */
  .field input,.field select,.field textarea,.composer-input textarea,.invite-box input,.invite-box select{font-size:16px}
  .user-row{gap:8px}
  .rooms-grid{grid-template-columns:1fr}
}
@media(max-width:440px){
  .chat-actions .icon-btn{width:30px;height:30px;font-size:15px;padding:3px}
  .composer{gap:5px;padding:8px}
}

/* ============================================================
   MODERN OVERHAUL — 2026 refresh (fonts, animation, dialogs, PWA)
   ============================================================ */
:root{
  --grad:linear-gradient(135deg,#5b8cff 0%,#2563eb 55%,#6d5cff 100%);
  --grad-brand:linear-gradient(135deg,#4f8cff,#7c5cff);
  --grad-ai:linear-gradient(135deg,#34d399,#059669);
  --shadow-lg:0 24px 60px -12px rgba(23,31,56,.28);
  --ease:cubic-bezier(.22,.7,.28,1);
}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-40px) scale(1.08)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-40px,30px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{0%{opacity:0;transform:translateY(14px) scale(.96)}60%{transform:translateY(-2px) scale(1.005)}100%{opacity:1;transform:none}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes hue{to{filter:hue-rotate(360deg)}}
@keyframes spin360{to{transform:rotate(360deg)}}
@keyframes pulseGlow{0%,100%{box-shadow:0 0 0 0 rgba(37,99,235,.5)}50%{box-shadow:0 0 0 10px rgba(37,99,235,0)}}
.fade-up{animation:fadeUp .5s var(--ease) both}

/* ---------- 스플래시 화면 ---------- */
#splash{position:fixed;inset:0;z-index:100000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;overflow:hidden;
  background:radial-gradient(1000px 700px at 50% 32%,#1a2748 0,#0b1220 72%);transition:opacity .6s ease,visibility .6s}
#splash.hide{opacity:0;visibility:hidden;pointer-events:none}
#splash .sp-orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
#splash .o1{width:420px;height:420px;background:#2563eb;top:-80px;left:-60px;animation:float1 9s ease-in-out infinite}
#splash .o2{width:360px;height:360px;background:#7c5cff;bottom:-60px;right:-40px;animation:float2 11s ease-in-out infinite}
#splash .o3{width:260px;height:260px;background:#22d3ee;bottom:120px;left:40%;animation:float1 13s ease-in-out infinite}
#splash .sp-logo{width:118px;height:118px;border-radius:30px;box-shadow:0 24px 60px rgba(37,99,235,.5);
  position:relative;z-index:2;animation:popIn .8s var(--ease) both,pulseGlow 2.4s ease-in-out infinite 1s;object-fit:cover}
#splash .sp-name{position:relative;z-index:2;font-size:40px;font-weight:900;letter-spacing:-1px;color:#fff;
  animation:fadeUp .7s var(--ease) both .25s}
#splash .sp-tag{position:relative;z-index:2;color:#9fb4d8;font-size:14.5px;font-weight:600;animation:fadeUp .7s var(--ease) both .45s;margin-top:-8px}
#splash .sp-bar{position:relative;z-index:2;width:200px;height:5px;border-radius:6px;background:rgba(255,255,255,.12);overflow:hidden;animation:fadeIn .6s both .6s}
#splash .sp-bar i{position:absolute;height:100%;width:42%;border-radius:6px;background:linear-gradient(90deg,#4f8cff,#7c5cff,#22d3ee);
  background-size:200% 100%;animation:fb-slide 1.05s var(--ease) infinite,hue 3s linear infinite}

/* ---------- 화려한 프로그레스 바 (재사용) ---------- */
.fancybar{height:8px;border-radius:8px;background:#e6ecf7;overflow:hidden;position:relative;box-shadow:inset 0 1px 2px rgba(16,24,40,.06)}
.fancybar::after{content:"";position:absolute;top:0;height:100%;width:42%;left:-42%;border-radius:8px;
  background:linear-gradient(90deg,#4f8cff,#7c5cff,#22d3ee);background-size:200% 100%;
  animation:fb-slide 1.15s var(--ease) infinite,hue 3.5s linear infinite;box-shadow:0 0 12px rgba(79,140,255,.55)}
@keyframes fb-slide{0%{left:-42%}100%{left:100%}}
/* 상단 전역 진행 바 강화 */
#topProgress{height:3.5px}
#topProgress::before{background:linear-gradient(90deg,#4f8cff,#7c5cff,#22d3ee,#34d399);width:38%;left:-38%;
  box-shadow:0 0 14px rgba(124,92,255,.7);animation:tp 1s var(--ease) infinite,hue 3s linear infinite}
/* 노트 생성 진행 바에 무지개 흐름 */
.np i{background:linear-gradient(90deg,#4f8cff,#7c5cff,#22d3ee);background-size:200% 100%;animation:sl 1.1s var(--ease) infinite,hue 3s linear infinite}
.ai-progress{backdrop-filter:blur(4px)}

/* ---------- 다이얼로그(모달) 리디자인 ---------- */
.modal{background:rgba(9,14,26,.5);backdrop-filter:blur(8px) saturate(1.1);animation:fadeIn .2s ease}
.modal-box{border:1px solid rgba(255,255,255,.7);border-radius:24px;box-shadow:var(--shadow-lg),0 0 0 1px rgba(16,24,40,.04);
  background:linear-gradient(180deg,#ffffff,#fbfcff);animation:popIn .34s var(--ease)}
.modal-box::-webkit-scrollbar{width:8px}
.modal-head{font-size:18px;letter-spacing:-.4px;padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--border-2);position:relative}
.modal-head::before{content:"";position:absolute;left:0;bottom:-1px;width:52px;height:2px;border-radius:2px;background:var(--grad-brand)}
.modal-head .icon-btn{transition:.16s var(--ease)}
.modal-head .icon-btn:hover{background:#fee2e2;color:#dc2626;transform:rotate(90deg)}
.field input,.field select,.field textarea{border-radius:12px;transition:.18s var(--ease)}
.field input:focus,.field select:focus,.field textarea:focus{box-shadow:0 0 0 4px var(--accent-soft);transform:translateY(-1px)}
.btn-primary{border-radius:12px;background:var(--grad);background-size:180% 180%;transition:.2s var(--ease)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(37,99,235,.34);background-position:100% 0}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost,.btn-danger{transition:.18s var(--ease)}
.btn-ghost:active,.btn-danger:active{transform:scale(.97)}

/* ---------- 마이크로 인터랙션 ---------- */
.room-item,.room-card{transition:transform .18s var(--ease),background .15s,box-shadow .2s}
.room-item:hover{transform:translateX(3px)}
.room-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rail-btn{transition:transform .16s var(--ease),background .15s,color .15s}
.rail-btn:hover{transform:translateY(-2px)}
.rail-btn:active{transform:scale(.92)}
.attach-btn,.icon-btn,.send-btn,.hbtn{transition:transform .16s var(--ease),background .16s,box-shadow .18s,filter .16s}
.attach-btn:active,.icon-btn:active,.send-btn:active,.hbtn:active{transform:scale(.9)}
.send-btn:hover{transform:translateY(-2px) scale(1.04)}
.msg-row{animation:popIn .34s var(--ease)}
.home-inner>*{animation:fadeUp .5s var(--ease) both}

/* ---------- 로고: 클릭 시 360° 회전 ---------- */
.rail-logo{overflow:hidden;padding:0;cursor:pointer}
.rail-logo img{width:100%;height:100%;object-fit:cover;display:block}
.logo-spin{animation:spin360 .9s var(--ease)}

/* ---------- 모바일: 좌측 레일을 햄버거 드로어로 ---------- */
#drawerScrim{position:fixed;inset:0;background:rgba(9,14,26,.45);backdrop-filter:blur(2px);z-index:59;opacity:0;visibility:hidden;transition:.25s}
@media(max-width:760px){
  #app{grid-template-columns:1fr}
  #app.show-files{grid-template-columns:1fr}
  .rail{position:fixed;left:0;top:0;height:100%;width:76px;z-index:62;transform:translateX(-120%);
    transition:transform .28s var(--ease);box-shadow:12px 0 40px rgba(0,0,0,.35)}
  .sidebar{left:76px !important;z-index:61}
  #app.show-sidebar .rail{transform:none}
  #app.show-sidebar #drawerScrim{opacity:1;visibility:visible}
  .home{inset:0 0 0 0}
  .rail-btn .rl{display:inline;font-size:11px}
  .rail-btn{width:64px;padding:9px 2px}
  /* 홈 화면엔 헤더가 없으므로 떠 있는 햄버거 버튼 표시 (채팅 화면은 헤더의 ☰ 사용) */
  #app.mode-home .hamburger{display:inline-flex;position:fixed;top:12px;left:12px;z-index:63;box-shadow:var(--shadow)}
  #app.mode-home .home-inner{padding-top:66px}
}
.hamburger{display:none;width:40px;height:40px;border-radius:12px;background:#fff;border:1px solid var(--border);
  align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{width:18px;height:2px;border-radius:2px;background:#334155;transition:.25s var(--ease)}
#app.show-sidebar .hamburger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
#app.show-sidebar .hamburger span:nth-child(2){opacity:0}
#app.show-sidebar .hamburger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 로그인 화면 리디자인 ---------- */
.login-body{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;overflow:hidden;
  background:radial-gradient(1100px 800px at 18% -12%,#e9f0ff 0,#f5f8fd 58%),linear-gradient(160deg,#f6f9fe,#eaf1fb)}
.login-orbs span{position:absolute;border-radius:50%;filter:blur(80px);opacity:.32;z-index:0}
.login-orbs span:nth-child(1){width:460px;height:460px;background:#2563eb;top:-120px;left:-80px}
.login-orbs span:nth-child(2){width:380px;height:380px;background:#7c5cff;bottom:-120px;right:-60px}
.login-orbs span:nth-child(3){width:300px;height:300px;background:#22d3ee;bottom:80px;left:44%;opacity:.35}
.login-wrap{position:relative;z-index:2;display:flex;width:920px;max-width:96vw;min-height:540px;border-radius:28px;overflow:hidden;
  background:#0e1730;border:1px solid rgba(255,255,255,.16);box-shadow:0 40px 100px -20px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.05);
  animation:popIn .55s var(--ease) both}
.login-visual{flex:1.05;position:relative;background-size:cover;background-position:center;display:flex;flex-direction:column;justify-content:flex-end;padding:40px}
.login-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.05),rgba(11,18,32,.55))}
.login-visual .lv-txt{position:relative;z-index:2;color:#fff;animation:fadeUp .7s var(--ease) both .3s}
.login-visual .lv-txt h2{font-size:30px;font-weight:900;letter-spacing:-.6px;line-height:1.2;margin-bottom:10px}
.login-visual .lv-txt p{font-size:14.5px;color:#cdd8f0;max-width:340px;line-height:1.55}
.login-visual .lv-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.login-visual .lv-chips b{font-size:12px;font-weight:800;padding:6px 12px;border-radius:20px;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.login-visual .lv-motto{position:absolute;top:26px;left:40px;z-index:3;display:inline-flex;align-items:baseline;gap:6px;
  font-size:15px;font-weight:800;letter-spacing:.3px;color:#fff;padding:9px 16px;border-radius:12px;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(8px);
  box-shadow:0 8px 22px rgba(0,0,0,.2);animation:fadeUp .7s var(--ease) both .15s}
.login-visual .lv-motto span{opacity:.92}
.login-visual .lv-motto b{font-weight:900;color:#e8f0ff}
.login-panel{flex:.95;background:#ffffff;padding:44px 42px;display:flex;flex-direction:column;justify-content:center}
/* registration: 2-column grid, small grey label in front of each field */
#reg{grid-template-columns:1fr 1fr;gap:9px 14px;align-items:center}
#reg .reg-span{grid-column:1/-1}
#reg button{margin-top:6px}
.login-panel form .reg-field{display:flex;align-items:center;gap:8px;margin:0;min-width:0;cursor:text}
.login-panel form .reg-field .reg-lab{flex:0 0 auto;min-width:44px;text-align:left;font-size:10.5px;font-weight:600;color:#9aa5b8;letter-spacing:.2px;user-select:none}
.login-panel form .reg-field input{flex:1;width:auto;min-width:0;margin:0;padding:12px 12px}
.login-logo{width:60px;height:60px;margin:0 0 14px;border-radius:18px;overflow:hidden;box-shadow:0 10px 26px rgba(37,99,235,.34);animation:popIn .6s var(--ease) both .2s}
.login-logo img{width:100%;height:100%;object-fit:cover;display:block}
.login-panel h1{margin:0 0 3px;font-size:27px;font-weight:900;letter-spacing:-.6px;text-align:left}
.login-sub{color:var(--muted);margin:0 0 22px;font-size:13.5px;text-align:left}
.login-panel form{display:flex;flex-direction:column}
.login-panel input{width:100%;padding:14px 16px;margin:7px 0;border-radius:13px;border:1.5px solid var(--border);
  background:#fbfcfd;color:var(--text);outline:none;transition:.18s var(--ease);font-size:14.5px}
.login-panel input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-soft)}
.login-panel button{width:100%;padding:14px;margin-top:14px;border:none;border-radius:13px;background:var(--grad);background-size:180% 180%;
  color:#fff;font-weight:800;font-size:15.5px;box-shadow:0 10px 24px rgba(37,99,235,.3);transition:.2s var(--ease);letter-spacing:.2px}
.login-panel button:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(37,99,235,.4);background-position:100% 0}
.login-panel button:active{transform:translateY(0) scale(.98)}
.login-error{background:#fef2f2;color:#dc2626;padding:12px 14px;border-radius:12px;margin-bottom:12px;font-size:13px;border:1px solid #fecaca;animation:fadeUp .3s var(--ease)}
.login-alt{margin-top:20px;font-size:13.5px;text-align:left}
.login-alt a{color:var(--accent);text-decoration:none;font-weight:700}
.login-foot{color:var(--faint);font-size:11.5px;margin-top:22px;text-align:left}
@media(max-width:720px){
  .login-wrap{flex-direction:column;width:420px;min-height:0}
  .login-visual{flex:0 0 170px;padding:22px}
  .login-visual .lv-motto{top:16px;left:18px;font-size:13px;padding:7px 12px}
  .login-visual .lv-txt h2{font-size:22px}
  .login-visual .lv-txt p,.login-visual .lv-chips{display:none}
  .login-panel{padding:30px 26px}
}

/* ---------- 밝은(라이트) 시스템 테마: 레일 · 스플래시 ---------- */
.rail{background:linear-gradient(180deg,#ffffff,#f4f7fb);border-right:1px solid var(--border);box-shadow:1px 0 0 rgba(16,24,40,.02)}
.rail-logo{background:transparent !important;box-shadow:none;width:44px;height:44px}
.rail-btn{color:#64748b}
.rail-btn:hover{background:var(--accent-soft);color:var(--accent)}
.rail-btn.active{background:var(--accent-soft);color:var(--accent);box-shadow:inset 0 0 0 1px rgba(37,99,235,.14)}
.rail-btn.active .ri{transform:scale(1.06)}
.rail a.rail-btn[href="/logout"]:hover{background:#fef2f2;color:#dc2626}

/* 스플래시: 밝은 배경 */
#splash{background:radial-gradient(900px 640px at 50% 26%,#eaf1ff 0,#f5f8fd 62%)}
#splash .sp-orb{opacity:.28}
#splash .sp-name{color:#0f1b2d}
#splash .sp-tag{color:#64748b}
#splash .sp-bar{background:#e2e9f5}
#splash .sp-logo{box-shadow:0 24px 60px rgba(37,99,235,.28)}

/* 로고 뒤 배경 제거(투명 스퀘어클) — 홈/헤더 등 어디서나 깔끔하게 */
.rail-logo img,.sp-logo,.login-logo img{background:transparent}

/* ---------- 현대적 레일 아이콘(SVG) ---------- */
.rail-btn .ri{display:flex;align-items:center;justify-content:center;height:24px}
.rail-btn .ri svg{width:23px;height:23px;display:block;stroke-width:2}
.rail-btn.active .ri svg{stroke-width:2.3}

/* ---------- 다이얼로그: 데스크탑에서 더 넓게 + 완벽 반응형 ---------- */
.modal-box{width:min(580px,94vw);max-height:min(90vh,900px)}
.modal-box.wide{width:min(960px,95vw)}
.editor-box{width:min(1000px,96vw)}
.editor-box #editorArea{height:min(64vh,640px)}
@media(min-width:1500px){
  .modal-box{width:min(640px,90vw)}
  .modal-box.wide{width:min(1100px,92vw)}
}
@media(max-width:760px){
  .modal-box,.modal-box.wide,.editor-box{width:100vw;max-width:100vw}
}

/* ---------- 헤더·파일패널 아이콘: SVG 크기 통일 ---------- */
.chat-actions .icon-btn svg,.fp-head .icon-btn svg,.menu-btn svg,.fp-actions .icon-btn svg{width:20px;height:20px;display:block}
.chat-actions .icon-btn,.fp-head .icon-btn{color:#475569}

/* ---------- 채팅 답변 영역: 가로 확장 + 반응형 + 현대적 AI 말풍선 ---------- */
.messages{padding:22px clamp(14px,4vw,56px)}
.msg-row{max-width:min(1040px,90%)}
.msg-row.out{max-width:min(720px,82%)}
@media(min-width:1600px){ .msg-row{max-width:min(1180px,84%)} }
@media(max-width:760px){ .messages{padding:16px 3.5%} .msg-row{max-width:94%} .msg-row.out{max-width:88%} }
/* 현대적 AI 답변 말풍선 */
.msg.ai{background:linear-gradient(180deg,#ffffff,#fbfdff);border:1px solid #e6ecf5;
  border-radius:18px;border-bottom-left-radius:6px;box-shadow:0 3px 14px -4px rgba(16,24,40,.10);padding:14px 18px}
.msg.ai .author{color:#059669;font-size:12.5px;letter-spacing:-.2px;margin-bottom:6px;display:flex;align-items:center;gap:2px}
.msg .body{font-size:14.6px;line-height:1.7}
.msg.ai .body h1,.msg.ai .body h2,.msg.ai .body h3{letter-spacing:-.3px;margin:14px 0 8px}
.msg.ai .body h2{font-size:17px}.msg.ai .body h3{font-size:15.5px}
.msg.ai .body ul,.msg.ai .body ol{padding-left:20px;margin:8px 0}
.msg.ai .body li{margin:4px 0}
.msg.ai .body p{margin:8px 0}
.msg.ai .body pre.code{background:#0f172a;color:#e2e8f0;border-radius:12px;padding:14px 16px;margin:10px 0;
  overflow-x:auto;font-size:12.8px;line-height:1.55;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.msg.ai .body code{background:#eef2f8;color:#334155;padding:2px 6px;border-radius:6px;font-size:12.8px}
.msg.ai .body pre.code code{background:none;color:inherit;padding:0}
.msg.ai .body table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13.2px;border-radius:10px;overflow:hidden;box-shadow:0 0 0 1px var(--border)}
.msg.ai .body th{background:#f1f5f9;color:#475569;font-weight:800;text-align:left;padding:9px 12px}
.msg.ai .body td{padding:9px 12px;border-top:1px solid var(--border)}
.msg.ai .body tr:nth-child(even) td{background:#fafbfd}
.msg.ai .body blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);margin:10px 0;padding:8px 14px;border-radius:0 10px 10px 0;color:#334155}
.msg.ai .body a{color:var(--accent);font-weight:600}
.msg.ai .body strong,.msg.ai .body b{color:#0f1b2d;font-weight:800}

/* ---------- 홈 화면: 가로 꽉 채우기 + 반응형 + 현대 아이콘 ---------- */
.home-inner{max-width:min(1680px,100%) !important;margin:0 auto;
  padding:clamp(26px,3vw,50px) clamp(22px,4vw,64px) 70px}
.home-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(14px,1.4vw,22px)}
.rooms-grid{grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:clamp(12px,1.2vw,18px)}
.home-card{padding:clamp(20px,1.6vw,26px)}
.home-card .hc-ic svg{width:24px;height:24px}
.home-card .hc-ic{width:48px;height:48px;border-radius:14px}
.home-hi{font-size:clamp(24px,2.4vw,32px)}
.home-section-title .hs-ic{display:inline-flex;color:var(--accent)}
.home-section-title .hs-ic svg{width:20px;height:20px}
.rc-lock{display:inline-flex;vertical-align:-2px;margin-left:5px;color:var(--muted)}
.rc-lock svg{width:14px;height:14px}
.room-card .room-del{display:inline-flex;align-items:center;justify-content:center;color:#94a3b8;opacity:0;transition:.15s}
.room-card:hover .room-del{opacity:1}
.room-card .room-del:hover{color:#dc2626}
.room-card .room-del svg{width:17px;height:17px;pointer-events:none}
.home-step .st-body h4{font-size:15px;font-weight:800}
@media(max-width:760px){ .home-inner{max-width:100% !important;padding-left:16px;padding-right:16px} .home-grid{grid-template-columns:1fr} }
@media(min-width:1500px){ .home-hi{font-size:34px} .home-card h3{font-size:17.5px} }

/* ---------- 현대적 도구 실행 로그 (Claude Code · 웹검색 등) ---------- */
.msg .toolwrap{display:flex;flex-direction:column;gap:6px;margin:9px 0}
.msg .toolcall{position:relative;font-size:12.5px;line-height:1.5;padding:9px 13px;border-radius:12px;margin:0;overflow-x:auto;
  font-family:ui-monospace,Menlo,Consolas,monospace;background:#ecfdf5;color:#047857;border:1px solid #b6f0d8;
  border-left:3px solid #10b981;box-shadow:0 1px 3px rgba(16,24,40,.04);animation:fadeUp .34s var(--ease) both}
.msg .toolcall b{font-weight:800;font-family:var(--font);letter-spacing:-.1px}
.msg-row.cc .toolcall{background:linear-gradient(180deg,#111a2e,#0f172a);color:#fde3c4;border:1px solid #7c2d12;
  border-left:3px solid #f59e0b;box-shadow:0 3px 10px -3px rgba(124,45,18,.35)}
.msg-row.cc .toolcall b{color:#fbbf24}
.msg-row.cc .cc-summary{box-shadow:0 2px 8px -2px rgba(234,88,12,.3)}
/* 메시지 도구 아이콘(복사·재실행·삭제) SVG */
.msg .msg-tool{width:26px;height:24px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;padding:0}
.msg .msg-tool svg{width:15px;height:15px;pointer-events:none}

/* ---------- 화상회의: 현대적 UI + 아이콘 ---------- */
.cc-btn .cc-ic svg{width:20px;height:20px;display:block}
.ch-btn svg{width:16px;height:16px;vertical-align:-3px}
.call-controls{background:rgba(15,23,42,.55);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.07);padding:14px}
.cc-btn{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.08);border-radius:16px;min-width:70px;
  padding:10px 14px;color:#e8eefb;transition:.16s var(--ease);gap:5px}
.cc-btn:hover{background:rgba(255,255,255,.20);transform:translateY(-2px)}
.cc-btn:active{transform:scale(.94)}
.cc-btn .cc-l{font-size:11px;font-weight:700;opacity:.92}
.cc-btn.off{background:linear-gradient(135deg,#f43f5e,#dc2626);border-color:transparent;box-shadow:0 6px 16px rgba(220,38,38,.4)}
.cc-btn.active{background:linear-gradient(135deg,#3b82f6,#2563eb);border-color:transparent;box-shadow:0 6px 16px rgba(37,99,235,.4)}
#toggleRec.active,#toggleRec.off{background:linear-gradient(135deg,#f43f5e,#dc2626)}
.call-head{background:rgba(15,23,42,.6);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.ch-btn{background:rgba(255,255,255,.12);border:none;color:#e8eefb;border-radius:11px;padding:7px 12px;font-weight:700;transition:.15s var(--ease)}
.ch-btn:hover{background:rgba(255,255,255,.22)}
.call-tile{border-radius:18px;box-shadow:0 6px 20px -6px rgba(0,0,0,.5);transition:.2s var(--ease)}
.call-tile.speaking{outline:3px solid #22c55e;outline-offset:-1px;box-shadow:0 0 0 4px rgba(34,197,94,.25)}
.call-tile .label{border-radius:10px;backdrop-filter:blur(6px);font-weight:700}
.hangupBtn,.call-head .btn-danger{border-radius:12px;background:linear-gradient(135deg,#f43f5e,#dc2626)!important;color:#fff!important;border:none!important;box-shadow:0 6px 16px rgba(220,38,38,.35);font-weight:800}
.device-pop{border-radius:16px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.12)}
.caption-bar .cap{backdrop-filter:blur(6px);font-weight:600}

/* ---------- AI 채팅: 제공자 토글 ---------- */
.ai-prov{display:inline-flex;background:var(--bg3);border:1px solid var(--border);border-radius:13px;padding:3px;gap:2px;align-self:center;flex:0 0 auto}
.ai-prov button{border:none;background:transparent;border-radius:10px;padding:9px 13px;font-weight:800;font-size:12.5px;color:var(--muted);cursor:pointer;transition:.15s var(--ease);white-space:nowrap}
.ai-prov button.on{background:#fff;color:var(--accent);box-shadow:var(--shadow-sm)}
.ai-prov button:active{transform:scale(.95)}

/* ---------- 모바일 채팅 헤더: 아이콘을 제목 아래 줄로 ---------- */
@media(max-width:760px){
  .chat-head{flex-wrap:wrap;row-gap:8px;align-items:center}
  .chat-title{flex:1 1 auto;min-width:0;order:2}
  .menu-btn{order:1}
  .chat-actions{flex-basis:100%;order:5;justify-content:flex-start;flex-wrap:wrap;gap:5px}
  #callBtn,#filesBtn{display:inline-flex !important}
  .ai-prov{margin:0}
  .ai-prov button{padding:8px 10px;font-size:12px}
}

/* ---------- AI 채팅: 사이드바 숨김 + 전용 헤더 액션 ---------- */
.aichat-only{display:none}
#app.is-aichat .aichat-only{display:inline-flex}
#app.is-aichat .chat-actions .icon-btn:not(.aichat-only){display:none}
#app.is-aichat{grid-template-columns:84px 0 1fr 0}
#app.is-aichat .sidebar{min-width:0;overflow:hidden;border-right:none;padding:0;pointer-events:none}
#app.is-aichat.show-files{grid-template-columns:84px 0 1fr 340px}
#app.is-aichat .expand-sidebar-btn{display:none}
@media(max-width:760px){
  #app.is-aichat{grid-template-columns:1fr}
  /* AI 채팅 중에는 햄버거로 드로어를 열어도 '채팅방 목록'은 숨긴다(레일만 노출).
     일반 채팅방은 레일의 '채팅'을 눌러 is-aichat이 해제된 뒤에만 표시된다. */
  #app.is-aichat.show-sidebar .sidebar{transform:translateX(-130%)}
}
/* 히스토리 목록 */
.hist-list{display:flex;flex-direction:column;gap:8px;max-height:56vh;overflow-y:auto;margin-top:6px}
.hist-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:14px;
  background:#fff;cursor:pointer;transition:.15s var(--ease)}
.hist-item:hover{border-color:#c7d2fe;box-shadow:var(--shadow-sm);transform:translateY(-1px)}
.hist-item.current{border-color:var(--accent);background:var(--accent-soft)}
.hist-ic{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center}
.hist-ic svg{width:19px;height:19px}
.hist-title{font-weight:800;font-size:14px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist-meta{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist-del{width:32px;height:32px;flex:0 0 32px;border-radius:10px;border:1px solid var(--border);background:#fff;color:#94a3b8;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s}
.hist-del:hover{background:#fef2f2;color:#dc2626;border-color:#fecaca}
.hist-del svg{width:16px;height:16px;pointer-events:none}

/* 모바일: 드로어 열리면 떠있는 햄버거 숨김(레일 로고 가림 방지) — 스크림/메뉴선택/로고로 닫기 */
@media(max-width:760px){
  #app.mode-home.show-sidebar .hamburger{display:none}
}

/* ---------- 당겨서 새로고침 (설치형 PWA 포함) ---------- */
#ptr{position:fixed;top:0;left:50%;transform:translate(-50%,-52px);z-index:9998;width:42px;height:42px;border-radius:50%;
  background:#fff;box-shadow:0 6px 18px rgba(16,24,40,.18);display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .18s,transform .18s ease}
#ptr.on{opacity:1}
#ptr.snap{transition:transform .3s var(--ease),opacity .3s}
#ptr .ptr-spin{width:21px;height:21px;border:2.6px solid #dbe3f0;border-top-color:var(--accent);border-radius:50%;transition:.15s}
#ptr.ready .ptr-spin{border-top-color:#059669;transform:rotate(180deg)}
#ptr.loading .ptr-spin{animation:spin .7s linear infinite;border-top-color:var(--accent)}

/* 스크롤 컨테이너: 네이티브 오버스크롤 억제(커스텀 당겨서 새로고침용) + 모멘텀 스크롤 */
.messages,.home,#homeView,.fp-tree{overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch}

/* 모바일: 메시지 도구(복사·재실행·삭제)를 말풍선 위에 겹치지 않게 아래 줄로 */
@media(max-width:760px){
  .msg .msg-tools{position:static;opacity:1;justify-content:flex-end;margin-top:7px;gap:5px}
  .msg .msg-tool{width:30px;height:28px}
  .msg.me .msg-tools{justify-content:flex-end}
}