.chat-app{--chat-ink: #111827;--chat-muted: #6b7280;--chat-line: #e5e7eb;--chat-accent: #6070fd;--chat-soft: #f8fafc;padding:16px 16px 20px;background:var(--chat-soft);height:calc(100dvh - 80px);display:flex;flex-direction:column}.chat-stage{max-width:1080px;margin:0 auto;width:100%;background:#fff;border:1px solid var(--chat-line);border-radius:16px;display:flex;flex-direction:column;flex:1 1 auto;min-height:0;overflow:hidden}.chat-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--chat-line)}.chat-title h1{font-size:16px;margin:0}.chat-sub{margin:2px 0 0;font-size:12px;color:var(--chat-muted)}.chat-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.chat-actions .chat-btn{white-space:nowrap}.chat-select{font:inherit;font-size:13px;max-width:260px;padding:8px 10px;border:1px solid var(--chat-line);border-radius:10px;background:#fff;color:var(--chat-ink)}.chat-btn{font:inherit;font-size:13px;font-weight:700;line-height:1;padding:9px 14px;border-radius:10px;border:1px solid var(--chat-line);background:#fff;color:var(--chat-ink);cursor:pointer;text-decoration:none}.chat-btn.solid{background:var(--chat-accent);border-color:var(--chat-accent);color:#fff}.chat-btn:disabled{opacity:.45;cursor:default}.chat-main{display:flex;flex:1 1 auto;min-height:0}.chat-sidebar{width:230px;flex:0 0 230px;border-right:1px solid var(--chat-line);display:flex;flex-direction:column;min-height:0;background:#fbfcfe}.chat-sidebar-head{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--chat-muted);padding:12px 14px 6px}.chat-sessions{overflow-y:auto;padding:0 8px 10px;display:flex;flex-direction:column;gap:2px}.chat-session{display:flex;align-items:center;gap:6px;width:100%;text-align:left;font:inherit;font-size:12.5px;padding:8px 9px;border-radius:8px;border:1px solid transparent;background:none;color:var(--chat-ink);cursor:pointer}.chat-session:hover{background:#eef2ff}.chat-session.active{background:#eef2ff;border-color:#dbe2ff}.chat-session .chat-session-title{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-session .chat-session-turns{font-size:10.5px;color:var(--chat-muted)}.chat-session .chat-session-del{font:inherit;font-size:14px;line-height:1;padding:0 4px;border:none;background:none;color:var(--chat-muted);cursor:pointer;opacity:0}.chat-session:hover .chat-session-del{opacity:1}.chat-sessions-empty{font-size:12px;color:var(--chat-muted);padding:6px 10px}.chat-panel{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}.chat-log{flex:1 1 auto;min-height:0;overflow-y:auto;padding:18px 16px 8px;display:flex;flex-direction:column;gap:14px}.chat-empty{margin:auto;text-align:center;padding:24px 8px}.chat-empty-icon{font-size:26px}.chat-empty h2{font-size:15px;margin:8px 0 14px}.chat-suggest{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.chat-suggest button{font:inherit;font-size:12px;padding:8px 12px;border-radius:999px;border:1px solid var(--chat-line);background:#fff;cursor:pointer;color:var(--chat-ink)}.chat-suggest button:hover{border-color:var(--chat-accent);color:var(--chat-accent)}.chat-msg{display:flex;flex-direction:column;gap:4px}.chat-msg .chat-role{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--chat-muted)}.chat-msg .chat-body{font-size:14px;line-height:1.6;word-break:break-word}.chat-msg.user{align-items:flex-end}.chat-msg.user .chat-body{background:#eef2ff;border:1px solid #dbe2ff;border-radius:14px 14px 4px;padding:9px 13px;max-width:85%}.chat-body p{margin:0 0 10px}.chat-body p:last-child{margin-bottom:0}.chat-body ul,.chat-body ol{margin:0 0 10px;padding-left:20px}.chat-body li{margin:0 0 4px}.chat-body h2{font-size:15px;margin:14px 0 6px}.chat-body h3{font-size:14px;margin:12px 0 6px}.chat-body code{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;background:#f3f4f6;padding:1px 4px;border-radius:4px}.chat-body pre{background:#0f172a;color:#e2e8f0;padding:12px 14px;border-radius:10px;overflow-x:auto;margin:0 0 10px}.chat-body pre code{background:none;color:inherit;padding:0;font-size:12.5px}.chat-body a{color:var(--chat-accent);text-decoration:underline}.chat-body strong{font-weight:700}.chat-fb{border:1px solid var(--chat-line);border-radius:12px;padding:8px 12px;font-size:13px;margin:0 0 10px}.chat-fb.done{border-color:#bbf7d0;background:#f0fdf4}.chat-fb.err{border-color:#fecaca;background:#fef2f2;color:#991b1b}.chat-fb .chat-fb-name{font-weight:700;color:var(--chat-ink)}.chat-fb .chat-fb-args{color:var(--chat-muted);font-family:ui-monospace,Menlo,monospace;font-size:11.5px}.chat-fb .chat-fb-out{margin-top:6px;color:var(--chat-muted);font-size:12px;white-space:pre-wrap;max-height:120px;overflow:auto}.chat-fb summary{cursor:pointer}.chat-thinking{border:1px solid var(--chat-line);border-radius:12px;padding:6px 12px;font-size:12.5px;color:var(--chat-muted);margin:0 0 10px}.chat-thinking summary{cursor:pointer}.chat-thinking div{white-space:pre-wrap;margin-top:6px}.chat-foot{font-size:11.5px;color:var(--chat-muted);margin-top:6px}.chat-live{display:flex;align-items:center;gap:8px;color:var(--chat-muted);font-size:13px;padding:1px 0 4px}.chat-dots{display:inline-flex;gap:3px}.chat-dots i{width:5px;height:5px;border-radius:50%;background:var(--chat-accent);opacity:.3;animation:chat-dot 1.1s infinite}.chat-dots i:nth-child(2){animation-delay:.15s}.chat-dots i:nth-child(3){animation-delay:.3s}@keyframes chat-dot{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.chat-body .chat-table-wrap{overflow-x:auto;margin:0 0 10px}.chat-body table{border-collapse:collapse;width:100%;font-size:12.5px}.chat-body th,.chat-body td{border:1px solid var(--chat-line);padding:6px 9px;text-align:left;vertical-align:top}.chat-body th{background:#f8fafc;font-weight:700;white-space:nowrap}.chat-body tr:nth-child(2n) td{background:#fcfdff}.chat-cursor{display:inline-block;width:7px;height:15px;background:var(--chat-accent);vertical-align:-2px;animation:chat-blink 1s steps(2,start) infinite}@keyframes chat-blink{to{visibility:hidden}}.chat-gate{border-top:1px solid var(--chat-line);padding:16px;text-align:center}.chat-gate p{margin:0 0 10px;font-size:13px;color:var(--chat-muted)}.chat-composer{border-top:1px solid var(--chat-line);padding:10px 12px;display:flex;gap:10px;align-items:flex-end}.chat-composer textarea{flex:1;min-height:42px;max-height:160px;resize:none;font:inherit;font-size:14px;padding:10px 12px;border:1px solid var(--chat-line);border-radius:10px;outline:none}.chat-composer textarea:focus{border-color:var(--chat-accent);box-shadow:0 0 0 3px #6070fd1f}.chat-composer-actions{display:flex;gap:8px}.chat-hint{font-size:11.5px;color:var(--chat-muted);text-align:center;min-height:16px;margin:0;padding:2px 12px 8px}@media(max-width:900px){.chat-app{padding:10px 10px 12px}.chat-main{flex-direction:column}.chat-sidebar{width:auto;flex:0 0 auto;border-right:none;border-bottom:1px solid var(--chat-line)}.chat-sessions{flex-direction:row;overflow-x:auto;padding:0 8px 8px}.chat-session{max-width:180px}.chat-sidebar-head,.chat-sub{display:none}.chat-select{max-width:150px}}