:root{--primary: #6C5CE7;--primary-hover: #5A4BD1;--primary-light: rgba(108, 92, 231, .1);--primary-glow: rgba(108, 92, 231, .15);--sidebar-bg: #1a1a2e;--sidebar-hover: #252542;--sidebar-active: #2d2d50;--sidebar-text: #a0a0b8;--sidebar-text-bright: #e0e0f0;--main-bg: #f8f9fc;--surface: #ffffff;--card-bg: #ffffff;--border: #e8e8f0;--border-light: #f0f0f8;--text: #1a1a2e;--text-secondary: #6b7280;--text-muted: #9ca3af;--danger: #ef4444;--danger-hover: #dc2626;--success: #10b981;--warning: #f59e0b;--user-bubble: linear-gradient(135deg, #6C5CE7 0%, #5A4BD1 100%);--assistant-bg: #f3f4f6;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 4px 16px rgba(0,0,0,.12);--transition: .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--main-bg);color:var(--text);height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}#root{height:100vh}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#6c5ce733;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#6c5ce766}.login-page{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,#1a1a2e,#2d2d50,#6c5ce7);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 30% 20%,rgba(108,92,231,.2) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(108,92,231,.1) 0%,transparent 50%);animation:loginBgFloat 20s ease-in-out infinite}@keyframes loginBgFloat{0%,to{transform:translate(0)}50%{transform:translate(-2%,-2%)}}.login-card{position:relative;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);padding:48px 40px;width:400px;max-width:90vw;box-shadow:0 20px 60px #0000004d}.login-card h2{font-size:24px;font-weight:700;color:var(--text);margin-bottom:8px;text-align:center}.login-card .login-subtitle{font-size:14px;color:var(--text-secondary);text-align:center;margin-bottom:32px}.login-card input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;transition:border-color var(--transition);outline:none;background:var(--main-bg)}.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.login-card button{width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:background var(--transition)}.login-card button:hover{background:var(--primary-hover)}.login-card .error{color:var(--danger);font-size:13px;margin-bottom:12px;text-align:center}.login-card .api-key-toggle{display:block;text-align:center;margin-top:16px;font-size:13px;color:var(--primary);cursor:pointer;background:none;border:none;width:auto;padding:0;font-weight:500}.login-card .api-key-toggle:hover{text-decoration:underline;background:none}.chat-layout{display:flex;height:100vh;overflow:hidden}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99}.sidebar{width:260px;min-width:260px;background:var(--sidebar-bg);display:flex;flex-direction:column;height:100vh;transition:transform var(--transition);z-index:100;overflow:hidden}.sidebar-brand{padding:24px 20px 16px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-brand .brand-title{font-size:18px;font-weight:700;color:#fff;letter-spacing:1px}.sidebar-brand .brand-subtitle{font-size:11px;color:var(--sidebar-text);letter-spacing:2px;margin-top:2px;text-transform:uppercase}.new-chat-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:calc(100% - 40px);margin:16px 20px 8px;padding:10px 0;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:background var(--transition)}.new-chat-btn:hover{background:var(--primary-hover)}.sidebar-nav{padding:12px 0;overflow-y:auto;flex:1}.nav-group{margin-bottom:4px}.nav-group-label{padding:8px 20px 4px;font-size:11px;font-weight:600;color:var(--sidebar-text);text-transform:uppercase;letter-spacing:1px;-webkit-user-select:none;user-select:none}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--sidebar-text);font-size:13.5px;cursor:pointer;transition:all var(--transition);border-left:3px solid transparent;-webkit-user-select:none;user-select:none}.nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-text-bright)}.nav-item.active{background:var(--sidebar-active);color:#fff;border-left-color:var(--primary)}.nav-item svg{width:18px;height:18px;flex-shrink:0;opacity:.7}.nav-item.active svg{opacity:1}.nav-divider{height:1px;background:#ffffff0f;margin:8px 20px}.search-box{display:flex;gap:6px;padding:8px 20px}.search-box input{flex:1;padding:7px 12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);color:#fff;font-size:13px;outline:none;transition:border-color var(--transition)}.search-box input::placeholder{color:var(--sidebar-text)}.search-box input:focus{border-color:var(--primary)}.search-box button{padding:7px 12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:12px;cursor:pointer;transition:background var(--transition)}.search-box button:hover{background:var(--primary-hover)}.search-box button:disabled{opacity:.5;cursor:not-allowed}.session-list-label{padding:8px 20px 4px;font-size:11px;font-weight:600;color:var(--sidebar-text);letter-spacing:1px}.session-list{overflow-y:auto;flex:1;padding:0 8px}.session-item{display:flex;align-items:center;padding:10px 12px;margin:1px 0;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition);gap:8px}.session-item:hover{background:var(--sidebar-hover)}.session-item.active{background:var(--sidebar-active)}.session-title{flex:1;font-size:13px;color:var(--sidebar-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.session-item.active .session-title{color:#fff}.session-item:hover .session-title{color:var(--sidebar-text-bright)}.delete-btn{background:none;border:none;color:var(--sidebar-text);font-size:16px;cursor:pointer;opacity:0;transition:opacity var(--transition),color var(--transition);padding:2px 6px;border-radius:4px;line-height:1}.session-item:hover .delete-btn{opacity:.6}.delete-btn:hover{opacity:1!important;color:var(--danger);background:#ef44441a}.search-results{padding:8px}.search-results-header{display:flex;align-items:center;justify-content:space-between;padding:4px 12px 8px;font-size:12px;color:var(--sidebar-text)}.search-results-close{background:none;border:none;color:var(--sidebar-text);cursor:pointer;font-size:14px;padding:2px 6px}.search-result-item{padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition)}.search-result-item:hover{background:var(--sidebar-hover)}.search-result-title{font-size:13px;color:var(--sidebar-text-bright);margin-bottom:2px}.search-result-snippet{font-size:12px;color:var(--sidebar-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dashboard{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:40px;overflow-y:auto}.dashboard-greeting{text-align:center;margin-bottom:32px}.dashboard-greeting h1{font-size:28px;font-weight:700;color:var(--text);margin-bottom:8px}.dashboard-greeting p{font-size:15px;color:var(--text-secondary)}.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;max-width:720px;width:100%}.dash-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all var(--transition);display:flex;flex-direction:column;gap:8px}.dash-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}.dash-card-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--primary-light);color:var(--primary)}.dash-card-title{font-size:14px;font-weight:600;color:var(--text)}.dash-card-desc{font-size:12px;color:var(--text-secondary);line-height:1.5}.notify-card{max-width:720px;width:100%;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:24px;display:flex;align-items:center;gap:16px}.notify-icon{width:44px;height:44px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.notify-content{flex:1}.notify-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}.notify-desc{font-size:13px;color:var(--text-secondary)}.notify-action{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:background var(--transition);white-space:nowrap}.notify-action:hover{background:var(--primary-hover)}.chat-main{flex:1;display:flex;flex-direction:column;height:100vh;min-width:0;background:var(--main-bg)}.chat-header{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--border);min-height:56px;flex-shrink:0}.toggle-sidebar{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-secondary);padding:4px 8px;border-radius:var(--radius-sm);transition:background var(--transition);display:flex;align-items:center}.toggle-sidebar:hover{background:var(--primary-light);color:var(--primary)}.chat-header-title{font-size:16px;font-weight:600;color:var(--text);flex:1}.gw-status{font-size:12px;padding:4px 12px;border-radius:20px;font-weight:500;cursor:pointer;transition:all var(--transition)}.gw-status.online{background:#10b9811a;color:var(--success)}.gw-status.offline{background:#ef44441a;color:var(--danger)}.gw-status:hover{opacity:.8}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.message{display:flex;max-width:80%}.message.user{align-self:flex-end}.message.assistant,.message.system{align-self:flex-start}.message-bubble{padding:12px 16px;border-radius:var(--radius);font-size:14px;line-height:1.6;position:relative;word-break:break-word}.message.user .message-bubble{background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-bubble{background:var(--surface);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:4px}.message.system .message-bubble{background:#ef44440f;color:var(--danger);border:1px solid rgba(239,68,68,.15);font-size:13px}.message.assistant .message-bubble p{margin-bottom:8px}.message.assistant .message-bubble p:last-child{margin-bottom:0}.message.assistant .message-bubble code{background:#6c5ce714;padding:2px 6px;border-radius:4px;font-size:13px;font-family:Fira Code,Consolas,monospace}.message.assistant .message-bubble pre{background:#1a1a2e;color:#e0e0f0;padding:14px 16px;border-radius:var(--radius-sm);overflow-x:auto;margin:8px 0;font-size:13px}.message.assistant .message-bubble pre code{background:none;padding:0;color:inherit}.message.assistant .message-bubble ul,.message.assistant .message-bubble ol{padding-left:20px;margin:8px 0}.message.assistant .message-bubble blockquote{border-left:3px solid var(--primary);padding-left:12px;color:var(--text-secondary);margin:8px 0}.message.assistant .message-bubble table{border-collapse:collapse;width:100%;margin:8px 0}.message.assistant .message-bubble th,.message.assistant .message-bubble td{border:1px solid var(--border);padding:6px 10px;font-size:13px;text-align:left}.message.assistant .message-bubble th{background:var(--main-bg);font-weight:600}.tts-btn{position:absolute;bottom:-8px;right:8px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:3px 8px;font-size:14px;cursor:pointer;opacity:0;transition:opacity var(--transition),background var(--transition);box-shadow:var(--shadow-sm)}.message.assistant:hover .tts-btn{opacity:1}.tts-btn:hover{background:var(--primary-light)}.tts-btn:disabled{cursor:not-allowed;opacity:.4!important}.message.assistant .message-bubble:after{content:"";display:none}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;text-align:center;padding:40px}.empty-state h2{font-size:28px;font-weight:700;color:var(--text);margin-bottom:8px}.empty-state p{font-size:15px;color:var(--text-secondary)}.tts-control-bar{display:flex;align-items:center;gap:12px;padding:8px 24px;background:var(--surface);border-top:1px solid var(--border)}.tts-ctrl-btn{background:none;border:1px solid var(--border);border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;transition:all var(--transition)}.tts-ctrl-btn:hover{border-color:var(--primary);color:var(--primary)}.tts-stop-btn:hover{border-color:var(--danger);color:var(--danger)}.tts-ctrl-label{font-size:13px;color:var(--text-secondary);flex:1}.input-area{display:flex;align-items:flex-end;gap:8px;padding:16px 24px 20px;background:var(--surface);border-top:1px solid var(--border)}.input-area textarea{flex:1;padding:10px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;resize:none;outline:none;max-height:120px;min-height:42px;line-height:1.5;transition:border-color var(--transition);background:var(--main-bg)}.input-area textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.input-area textarea::placeholder{color:var(--text-muted)}.input-area textarea:disabled{opacity:.6}.input-area button{padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:background var(--transition);white-space:nowrap;height:42px}.input-area button:hover{background:var(--primary-hover)}.input-area button:disabled{opacity:.5;cursor:not-allowed}.abort-btn{background:var(--danger)!important}.abort-btn:hover{background:var(--danger-hover)!important}.mic-btn,.attach-btn{background:none!important;border:1.5px solid var(--border)!important;color:var(--text-secondary)!important;padding:8px!important;width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius)!important}.mic-btn:hover,.attach-btn:hover{border-color:var(--primary)!important;color:var(--primary)!important;background:var(--primary-light)!important}.mic-btn:disabled,.attach-btn:disabled{opacity:.4}.voice-bubble{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.voice-play-btn{width:32px;height:32px;border-radius:50%;border:none;background:#fff3;color:inherit;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition)}.message.user .voice-play-btn{background:#fff3;color:#fff}.message.user .voice-play-btn:hover{background:#ffffff4d}.voice-bars{display:flex;align-items:center;gap:2px;height:28px}.voice-bar{width:3px;border-radius:2px;transition:height .3s}.message.user .voice-bar{background:#fff9}.message.assistant .voice-bar{background:var(--primary);opacity:.5}.voice-duration{font-size:12px;opacity:.8;min-width:28px}.voice-transcribing{font-size:12px;opacity:.7;font-style:italic}.voice-text{width:100%;font-size:13px;margin-top:6px;opacity:.9;border-top:1px solid rgba(255,255,255,.15);padding-top:6px}.recording-overlay{display:flex;align-items:center;gap:12px;padding:16px 24px 20px;background:var(--surface);border-top:1px solid var(--border)}.rec-indicator{width:12px;height:12px;border-radius:50%;background:var(--danger);animation:recPulse 1s ease-in-out infinite;flex-shrink:0}@keyframes recPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.rec-waveform{display:flex;align-items:center;gap:2px;flex:1;height:32px;justify-content:center}.rec-waveform-bar{width:3px;background:var(--primary);border-radius:2px;animation:recWave .8s ease-in-out infinite alternate}@keyframes recWave{0%{transform:scaleY(.4)}to{transform:scaleY(1)}}.rec-timer{font-size:14px;font-weight:600;color:var(--text);min-width:40px;font-variant-numeric:tabular-nums}.rec-cancel-btn{padding:8px 16px;background:none;border:1.5px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all var(--transition)}.rec-cancel-btn:hover{border-color:var(--danger);color:var(--danger)}.rec-send-btn{width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition)}.rec-send-btn:hover{background:var(--primary-hover)}.memory-section,.docs-section,.gallery-section{border-top:1px solid rgba(255,255,255,.06)}.memory-toggle{display:flex;align-items:center;gap:8px;width:100%;padding:10px 20px;background:none;border:none;color:var(--sidebar-text);font-size:13px;cursor:pointer;transition:background var(--transition);text-align:left}.memory-toggle:hover{background:var(--sidebar-hover);color:var(--sidebar-text-bright)}.memory-toggle svg{width:16px;height:16px;opacity:.7;flex-shrink:0}.memory-count{font-size:11px;background:#6c5ce733;color:var(--primary);padding:1px 7px;border-radius:10px;margin-left:auto}.memory-arrow{font-size:10px;opacity:.5;margin-left:4px}.memory-panel,.docs-panel,.gallery-panel{padding:8px 12px 12px;max-height:240px;overflow-y:auto}.memory-loading,.memory-empty{font-size:12px;color:var(--sidebar-text);text-align:center;padding:12px;opacity:.7}.memory-list{display:flex;flex-direction:column;gap:6px}.memory-item{background:#ffffff0a;border-radius:var(--radius-sm);padding:8px 10px}.memory-key{font-size:11px;font-weight:600;color:var(--primary);margin-bottom:3px;text-transform:uppercase;letter-spacing:.5px}.memory-text{font-size:12px;color:var(--sidebar-text-bright);line-height:1.5}.memory-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}.memory-tag{font-size:10px;background:#6c5ce726;color:var(--primary);padding:2px 8px;border-radius:10px}.memory-refresh{display:block;width:100%;margin-top:8px;padding:6px;background:#ffffff0f;border:none;border-radius:var(--radius-sm);color:var(--sidebar-text);font-size:12px;cursor:pointer;transition:background var(--transition)}.memory-refresh:hover{background:#ffffff1a;color:var(--sidebar-text-bright)}.memory-refresh:disabled{opacity:.5;cursor:not-allowed}.docs-upload-row{margin-bottom:8px}.docs-upload-btn{width:100%;padding:7px;background:#6c5ce726;border:1px dashed rgba(108,92,231,.3);border-radius:var(--radius-sm);color:var(--primary);font-size:12px;cursor:pointer;transition:all var(--transition)}.docs-upload-btn:hover{background:#6c5ce740}.docs-upload-btn:disabled{opacity:.5;cursor:not-allowed}.docs-list{display:flex;flex-direction:column;gap:4px}.docs-item{display:flex;align-items:center;gap:6px;padding:6px 8px;background:#ffffff0a;border-radius:var(--radius-sm)}.docs-name{flex:1;font-size:12px;color:var(--sidebar-text-bright);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.docs-pages{font-size:11px;color:var(--sidebar-text);flex-shrink:0}.docs-del{background:none;border:none;color:var(--sidebar-text);font-size:14px;cursor:pointer;padding:2px 4px;opacity:.5;transition:all var(--transition)}.docs-del:hover{color:var(--danger);opacity:1}.docs-query-row{display:flex;gap:6px;margin-top:8px}.docs-query-row input{flex:1;padding:6px 10px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);color:#fff;font-size:12px;outline:none}.docs-query-row input::placeholder{color:var(--sidebar-text)}.docs-query-row input:focus{border-color:var(--primary)}.docs-query-row button{padding:6px 12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:12px;cursor:pointer}.docs-query-row button:disabled{opacity:.5;cursor:not-allowed}.docs-query-results{margin-top:8px;display:flex;flex-direction:column;gap:6px}.docs-query-item{background:#ffffff0a;border-radius:var(--radius-sm);padding:8px}.docs-query-source{font-size:11px;color:var(--primary);font-weight:600;margin-bottom:3px}.docs-query-text{font-size:12px;color:var(--sidebar-text-bright);line-height:1.5}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.gallery-thumb{position:relative;aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer}.gallery-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}.gallery-thumb:hover img{transform:scale(1.05)}.gallery-del{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:50%;background:#0009;color:#fff;border:none;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition)}.gallery-thumb:hover .gallery-del{opacity:1}.gallery-preview-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.gallery-preview-box{position:relative;max-width:90vw;max-height:90vh}.gallery-preview-box 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