:root{--canvas:#f5f3ee;--sidebar:#ece9e2;--paper:#f9f8f4;--paper-strong:#fdfcf9;--line:#d8d4cc;--line-soft:#e7e3dc;--text:#45433f;--muted:#89857f;--muted-2:#aaa59e;--accent:#d8742f;--accent-dark:#b75b20;--accent-soft:#f6dfcd;--green:#6d9f73;--shadow:0 12px 32px #694f3514;color:var(--text);background:var(--canvas);font-synthesis:none;text-rendering:optimizelegibility;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--canvas);color:var(--text);margin:0}button,input,textarea{font:inherit}.app-shell{background:var(--canvas);grid-template-columns:286px minmax(0,1fr);height:100vh;display:grid;overflow:hidden}.sidebar{background:var(--sidebar);border-right:1px solid var(--line);flex-direction:column;min-width:0;padding:14px 10px 10px;display:flex;overflow:hidden}.workspace-head{justify-content:space-between;align-items:center;padding:2px 4px 11px;display:flex}.workspace-head>div{align-items:baseline;gap:6px;display:flex}.workspace-head strong{letter-spacing:.08em;font-size:13px}.workspace-head span{color:var(--muted);font-size:10px}.icon-button{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;place-items:center;display:grid}.icon-button:hover{color:var(--text);background:#ffffff6b}.search-box{color:#9b8d7e;background:#ffffff6b;border:1px solid #d9d5ce;border-radius:9px;align-items:center;gap:7px;height:34px;margin:0 2px 7px;padding:0 9px;display:flex}.search-box:focus-within{background:#fcfbf8;border-color:#cfc9c0}.search-box input{color:#574d43;background:0 0;border:0;outline:none;width:100%;font-size:12px}.search-box input::placeholder{color:#a39789}.sidebar-actions{padding:0 2px 8px}.sidebar-actions button{color:#75685a;cursor:pointer;background:0 0;border:0;border-radius:7px;align-items:center;gap:7px;width:100%;height:31px;padding:0 8px;font-size:12px;display:flex}.sidebar-actions button:hover{color:#4e443a;background:#ffffff5c}.room-tree{scrollbar-width:thin;scrollbar-color:#cdbba5 transparent;flex:1;min-height:0;padding:1px 0 9px;overflow:hidden auto}.room-tree::-webkit-scrollbar{width:7px}.room-tree::-webkit-scrollbar-thumb{border:2px solid var(--sidebar);background:#cdbba5;border-radius:20px}.room-group{margin:1px 0}.room-group.fixed-room{border-bottom:1px solid var(--line);margin-bottom:5px;padding-bottom:5px}.room-row{color:#6d6256;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:7px;grid-template-columns:14px 20px minmax(0,1fr) 8px;align-items:center;gap:5px;width:100%;height:31px;padding:0 7px 0 5px;display:grid}.room-row:hover{background:#ffffff5c}.room-row.selected{color:#4e4135;background:#e6e3dd}.tree-chevron{color:#9f9181;place-items:center;display:grid}.room-symbol{color:#897969;place-items:center;display:grid}.room-row.selected .room-symbol{color:#6f6256}.room-name{white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.activity-dot{background:var(--accent);border-radius:50%;width:6px;height:6px}.thread-tree{border-left:1px solid #d5d1ca;margin:2px 0 4px 22px;padding-left:8px;overflow-x:hidden}.thread-tree.collapsed{overflow-y:hidden}.thread-tree.expanded{scrollbar-width:thin;scrollbar-color:#c6b39c transparent;max-height:42vh;padding-right:2px;overflow-y:auto}.thread-tree.expanded::-webkit-scrollbar{width:6px}.thread-tree.expanded::-webkit-scrollbar-thumb{background:#c6b39c;border-radius:20px}.thread-row{color:#786d60;cursor:pointer;border-radius:6px;grid-template-columns:minmax(0,1fr) 22px;align-items:center;height:29px;padding-left:8px;display:grid;position:relative}.thread-row:hover{color:#4f453b;background:#ffffff57}.thread-row.active{color:#4b4036;background:#ece9e3}.thread-row.active:before{content:"";background:var(--accent);border-radius:4px;width:2px;height:15px;position:absolute;top:7px;left:-9px}.thread-title{white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.thread-pin{color:#a89b8c;opacity:0;cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;width:21px;height:21px;display:grid}.thread-row:hover .thread-pin,.thread-pin.on{opacity:1}.thread-pin:hover{color:var(--accent-dark);background:#e6e2dc}.thread-pin.on{color:var(--accent)}.tree-empty{color:#a39688;padding:6px 8px;font-size:10.5px}.more-threads{color:var(--accent-dark);cursor:pointer;background:0 0;border:0;padding:5px 8px;font-size:10.5px}.more-threads:hover{text-decoration:underline}.sidebar-footer{border-top:1px solid var(--line);padding:8px 5px 0}.sidebar-footer>span{color:#9a8c7d;margin-bottom:3px;font-size:9.5px;display:block}.sidebar-footer>div{gap:2px;display:flex}.sidebar-footer button{color:#786c60;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:5px 6px;font-size:10.5px}.sidebar-footer button:hover{color:#4e443a;background:#ffffff57}.chat-pane{background:var(--paper);flex-direction:column;min-width:0;display:flex;position:relative}.chat-head{border-bottom:1px solid var(--line-soft);background:#fbf7f0f5;justify-content:space-between;align-items:center;height:52px;padding:0 24px;display:flex}.crumb{color:#9a8f82;align-items:center;gap:7px;font-size:11px;display:flex}.crumb strong{color:#4a4138;font-size:12px}.office-strip{color:#817566;background:#f2f0eb;border-bottom:1px solid #eee4d7;justify-content:space-between;align-items:center;min-height:41px;padding:0 24px;display:flex}.office-cluster{align-items:center;gap:14px;display:flex}.office-status{align-items:center;gap:6px;font-size:10px;display:flex}.office-status strong{color:#5d5247;font-size:10.5px}.office-status>span:last-child{color:#8e8173;background:#e5e2dc;border-radius:999px;padding:1px 5px;font-size:9px}.office-dot{background:var(--green);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #6d9f731a}.office-workers{color:#83776a;align-items:center;gap:8px;font-size:9.5px;display:flex}.office-workers span{white-space:nowrap;align-items:center;gap:4px;display:flex}.office-workers b{color:#62584f;background:#e4e1db;border-radius:6px;place-items:center;width:18px;height:18px;font-size:9px;display:grid}.office-workers .quiet{opacity:.5}.office-slot{flex:1;min-width:120px;height:24px;margin-left:24px}.feed{scrollbar-width:thin;scrollbar-color:#d7c9b8 transparent;flex:1;padding:33px 0 28px;overflow:auto}.conversation-column{width:min(760px,100% - 64px);margin:0 auto}.message{gap:11px;margin:0 0 23px;display:flex}.message.user{justify-content:flex-end}.message.user .avatar{background:var(--accent);color:#fff8f1;order:2}.message.user .bubble-wrap{align-items:flex-end}.message.user .meta{justify-content:flex-end}.avatar{color:#695b4d;background:#e8e5df;border-radius:9px;flex:none;place-items:center;width:28px;height:28px;font-size:10.5px;font-weight:750;display:grid}.bubble-wrap{flex-direction:column;gap:5px;max-width:680px;display:flex}.meta{color:#9a9085;align-items:center;gap:7px;font-size:9.5px;display:flex}.meta strong{color:#594f45;font-size:10.5px}.bubble{color:#4b433a;font-size:14px;line-height:1.7}.message.user .bubble{background:#eeece7;border:1px solid #ddd9d2;border-radius:14px 5px 14px 14px;padding:9px 12px}.message.agent .bubble{padding:1px 0}.message.system{justify-content:center;margin:4px 0 21px}.message.system .bubble{color:#908475;background:#f0eee9;border:1px solid #e1ddd6;border-radius:999px;padding:6px 10px;font-size:10px}.composer-wrap{background:linear-gradient(to bottom,#fbf7f000,var(--paper) 28%);padding:12px 0 17px}.composer-shell{background:var(--paper-strong);width:min(760px,100% - 64px);box-shadow:var(--shadow);border:1px solid #d9d5ce;border-radius:15px;margin:0 auto;padding:10px 11px 9px}.composer-shell:focus-within{box-shadow:0 0 0 3px #d8742f14,var(--shadow);border-color:#dda36b}.composer-shell textarea{resize:none;color:#4a4138;background:0 0;border:0;outline:none;width:100%;min-height:34px;max-height:150px;padding:1px 2px 8px;line-height:1.5}.composer-shell textarea::placeholder{color:#afa296}.composer-tools{color:#a19487;align-items:center;gap:8px;font-size:9px;display:flex}.composer-tools .attach{color:#8f8274;cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;width:28px;height:28px;display:grid}.composer-tools .attach:hover{background:#eeece7}.composer-tools>span{margin-left:auto}.send-button{background:var(--accent);color:#fff8f0;cursor:pointer;border:0;border-radius:9px;place-items:center;width:31px;height:31px;display:grid}.send-button:hover{background:var(--accent-dark)}@media (width<=980px){.app-shell{grid-template-columns:250px minmax(0,1fr)}.office-workers span:nth-child(3){display:none}}@media (width<=760px){.app-shell{grid-template-columns:minmax(0,1fr)}.sidebar{display:none}.chat-head,.office-strip{padding-left:16px;padding-right:16px}.office-workers{display:none}.conversation-column,.composer-shell{width:calc(100% - 30px)}}