*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;height:100vh}.layout{display:flex;height:100vh}.sidebar{width:260px;background:#f4f4f5;border-right:1px solid #d9d9dc;padding:12px;display:flex;flex-direction:column;overflow-y:auto}.sidebar button#new-session-btn{padding:8px;margin-bottom:12px;border:1px solid #bbb;border-radius:6px;background:#fff;cursor:pointer}#session-list{list-style:none;margin:0;padding:0}#session-list li{padding:8px;border-radius:6px;cursor:pointer;margin-bottom:4px;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#session-list li:hover{background:#e8e8ea}#session-list li.active{background:#d8e6ff;font-weight:600}.chat{flex:1;display:flex;flex-direction:column;min-width:0}.connector-panel{border-bottom:1px solid #d9d9dc;padding:12px;background:#fafafa}.connector-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.connector-header h2{margin:0 0 4px;font-size:15px}.lingxing-status{margin:0;font-size:12px;color:#555}.connector-header button,.connector-form button{padding:8px 12px;border:1px solid #bbb;border-radius:6px;background:#fff;cursor:pointer}.connector-form{display:flex;gap:8px;margin-top:10px}.connector-form input{flex:1;min-width:0;padding:8px;border:1px solid #bbb;border-radius:6px;font-size:13px}.inventory-table-wrap{margin-top:10px;max-height:180px;overflow:auto;font-size:12px;color:#333}.inventory-table-wrap table{width:100%;border-collapse:collapse}.inventory-table-wrap th,.inventory-table-wrap td{border:1px solid #ddd;padding:6px;text-align:left;white-space:nowrap}.inventory-table-wrap th{background:#f0f0f1;font-weight:600}.messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.message{max-width:70%;padding:8px 12px;border-radius:10px;line-height:1.3}.message.user{align-self:flex-end;background:#2563eb;color:#fff}.message.assistant{align-self:flex-start;background:#eee;color:#111}.message.assistant h1,.message.assistant h2,.message.assistant h3{margin:.25em 0 .1em;line-height:1.2}.message.assistant h1{font-size:1.2em}.message.assistant h2{font-size:1.1em}.message.assistant h3{font-size:1.05em}.message.assistant p{margin:.1em 0;line-height:1.3}.message.assistant ul,.message.assistant ol{margin:.1em 0;padding-left:1.3em;line-height:1.3}.message.assistant li{margin:.02em 0}.message.assistant pre{max-width:100%;overflow-x:auto;background:#f0f0f1;border-radius:4px;padding:8px;font-size:.85em;line-height:1.4;white-space:pre}.message.assistant code{font-family:ui-monospace,Cascadia Code,Source Code Pro,Menlo,Consolas,monospace;font-size:.9em}.message.assistant pre code{font-size:inherit;background:none;padding:0}.message.assistant table{max-width:100%;overflow-x:auto;display:block;border-collapse:collapse;font-size:.85em;margin:.5em 0}.message.assistant th,.message.assistant td{border:1px solid #ddd;padding:4px 8px;text-align:left;white-space:nowrap}.message.assistant th{background:#f0f0f1;font-weight:600}.message.assistant blockquote{border-left:3px solid #bbb;padding-left:10px;margin:.5em 0;color:#555}.message.assistant img{max-width:100%;height:auto}.message.assistant a{color:#2563eb}.message-form{display:flex;padding:12px;border-top:1px solid #d9d9dc;gap:8px}#message-input{flex:1;padding:10px;border:1px solid #bbb;border-radius:6px;font-size:14px}.message-form button{padding:10px 18px;border:none;border-radius:6px;background:#2563eb;color:#fff;cursor:pointer}.sidebar-footer{margin-top:auto;padding-top:12px;border-top:1px solid #d9d9dc;display:flex;align-items:center;gap:8px;font-size:13px}.sidebar-footer .user-email{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#555}.sidebar-footer button{padding:6px 10px;border:1px solid #bbb;border-radius:6px;background:#fff;cursor:pointer;font-size:12px}.login-layout{height:100vh;display:flex;align-items:center;justify-content:center;background:#f4f4f5}.login-card{background:#fff;border-radius:12px;padding:32px 40px;box-shadow:0 4px 16px #00000014;text-align:center}.login-card h1{margin:0 0 20px;font-size:20px}.login-error{color:#c0392b;font-size:13px;margin-bottom:16px}.google-login-btn{display:inline-block;padding:10px 20px;border-radius:6px;background:#2563eb;color:#fff;text-decoration:none;font-size:14px}