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8px;border-radius:999px;white-space:nowrap;flex-shrink:0;font-weight:600;letter-spacing:.3px;border:1px solid rgba(20,184,166,.2);transition:all var(--transition)}.tools-dialog .tool-card:hover .tool-category{background:var(--primary);color:#fff;border-color:var(--primary)}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;background:radial-gradient(900px 500px at 85% -8%,rgba(20,184,166,.09),transparent 60%),radial-gradient(700px 420px at -10% 45%,rgba(13,148,136,.08),transparent 55%),radial-gradient(760px 400px at 60% 112%,rgba(251,191,36,.05),transparent 55%),var(--bg)}.chat-header{display:flex;align-items:center;gap:12px;padding:8px 24px;background:var(--bg-card);border-bottom:1px solid var(--border-light);box-shadow:0 1px 8px #00000040;z-index:10;min-height:56px;position:relative}.chat-header:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,rgba(20,184,166,.6),rgba(13,148,136,.5),rgba(251,191,36,.5),transparent);background-size:250% 100%;animation:header-flow 6.5s linear infinite;opacity:.6;pointer-events:none}@keyframes header-flow{0%{background-position:0% 0}to{background-position:100% 0}}.menu-btn{width:36px;height:36px;border-radius:var(--radius-sm);font-size:18px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);color:var(--text-secondary);flex-shrink:0}.menu-btn:hover{background:var(--bg);color:var(--text)}.menu-btn.active{background:var(--primary-light);color:var(--primary)}.header-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-secondary);transition:all 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var(--transition)}.kb-search-clear:hover{background:var(--bg-tertiary);color:var(--text)}.kb-list-col .kb-doc-list{flex:1;overflow-y:auto;max-height:none}.kb-dir-bar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:4px}.kb-dir-tab{padding:5px 10px;border-radius:6px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all var(--transition);white-space:nowrap}.kb-dir-tab:hover{border-color:var(--primary);color:var(--primary)}.kb-dir-tab.active{background:var(--primary);color:#fff;border-color:transparent}.kb-dir-tab-wrap{display:flex;align-items:center;gap:2px}.kb-dir-del{width:18px;height:18px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--text-muted);transition:all var(--transition)}.kb-dir-del:hover{background:#ef44441f;color:#dc2626}.kb-dir-select{padding:6px 10px;border-radius:6px;border:1.5px solid var(--border);background:var(--bg-card);color:var(--text);font-size:12px;outline:none;cursor:pointer;flex-shrink:0}.kb-preview-dialog{width:640px!important;max-width:90vw!important;max-height:80vh!important;display:flex;flex-direction:column}.kb-preview-dialog .settings-header{flex-shrink:0}.kb-preview-dialog-title{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}.kb-preview-dialog-count{font-size:11px;font-weight:400;color:var(--text-muted)}.kb-preview-dialog-body{flex:1;overflow-y:auto;padding:16px 24px 24px;display:flex;flex-direction:column;gap:10px}.kb-preview-dialog-loading{text-align:center;padding:40px 0;color:var(--text-muted);font-size:14px}.kb-preview-dialog-chunk{background:var(--bg-subtle);border-radius:8px;padding:10px 12px}.kb-preview-dialog-chunk-num{font-size:10px;font-weight:600;color:var(--primary);margin-bottom:4px}.kb-preview-dialog-chunk-summary{font-size:12px;color:var(--primary);background:var(--primary-light);padding:6px 8px;border-radius:6px;margin-bottom:6px;line-height:1.5}.kb-preview-dialog-chunk-text{font-size:13px;color:var(--text);line-height:1.6;white-space:pre-wrap;word-break:break-word}.kb-file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.kb-upload-hint{font-size:11px;color:var(--text-muted);white-space:nowrap}.kb-divider{height:1px;background:var(--border);margin:16px 0}.kb-doc-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.kb-empty{text-align:center;color:var(--text-muted);padding:20px 0;font-size:13px}.kb-doc-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;background:var(--bg-subtle);border:1px solid var(--border);transition:all var(--transition)}.kb-doc-item:hover{background:var(--primary-light);border-color:#14b8a659}.kb-doc-item.selected{background:var(--primary-light);border:1px solid var(--primary)}.kb-doc-item.selected .kb-doc-name{color:var(--primary);font-weight:700}.kb-doc-icon{font-size:22px;flex-shrink:0}.kb-doc-info{flex:1;min-width:0}.kb-doc-name{font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kb-doc-meta{display:flex;align-items:center;gap:8px;margin-top:2px;font-size:11px;color:var(--text-muted)}.kb-doc-status.completed{color:#10b981}.kb-doc-status.processing{color:#f59e0b}.kb-doc-status.failed{color:#ef4444}.kb-doc-error{font-size:11px;color:#ef4444;margin-top:2px}.kb-doc-elapsed{margin-top:4px;font-size:11px;color:var(--text-muted)}.kb-doc-retry{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#f59e0b;transition:all var(--transition);flex-shrink:0}.kb-doc-retry:hover{background:#f59e0b1f;color:#fbbf24}.kb-progress-wrap{margin-top:6px;display:flex;align-items:center;gap:8px}.kb-progress-bar-bg{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.kb-progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),#5eead4);border-radius:3px;transition:width .3s ease;box-shadow:0 0 8px #14b8a680}.kb-progress-stage{font-size:10px;color:var(--text-muted);white-space:nowrap;flex-shrink:0}.kb-doc-delete{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition);flex-shrink:0}.kb-doc-delete:hover{background:#ef44441f;color:#dc2626}.kb-doc-preview{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition);flex-shrink:0}.kb-doc-preview:hover{background:var(--primary-light);color:var(--primary)}.kb-mention-dropdown{max-height:260px;overflow-y:auto;background:var(--bg);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 32px #0000001f;position:absolute;bottom:100%;left:0;right:0;margin-bottom:6px;z-index:100}.kb-mention-empty{padding:16px;text-align:center;color:var(--text-muted);font-size:13px}.kb-mention-item{display:flex;align-items:center;gap:8px;padding:8px 12px;cursor:pointer;transition:background var(--transition)}.kb-mention-item:hover,.kb-mention-item.selected{background:var(--primary-light)}.kb-mention-icon{font-size:16px;flex-shrink:0}.kb-mention-name{flex:1;font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kb-mention-chunks{font-size:11px;color:var(--text-muted);flex-shrink:0}.kb-active-tags{display:flex;flex-wrap:wrap;gap:6px;flex:1 0 100%;padding:8px 12px 0}.kb-active-tag{display:inline-flex;align-items:center;gap:5px;padding:3px 8px 3px 6px;background:linear-gradient(135deg,var(--primary-light),color-mix(in srgb,var(--primary-light) 80%,white));border:1px solid color-mix(in srgb,var(--primary) 40%,transparent);border-radius:8px;font-size:12px;font-weight:500;color:var(--primary);cursor:default;transition:all .15s ease;box-shadow:0 1px 3px #0000000a}.kb-active-tag:hover{border-color:var(--primary);box-shadow:0 2px 6px #14b8a626}.kb-active-tag-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.kb-active-tag-remove{width:16px;height:16px;display:flex;align-items:center;justify-content:center;border-radius:4px;font-size:13px;line-height:1;color:var(--primary);opacity:.5;transition:all .15s ease;margin-left:1px}.kb-active-tag-remove:hover{opacity:1;background:#14b8a626}.clear-confirm-dialog{width:360px!important;max-width:90vw!important}.user-menu{display:flex;align-items:center;flex-shrink:0;position:relative;margin-left:auto;margin-right:16px}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:opacity var(--transition);overflow:hidden}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-avatar:hover{opacity:.8}.user-menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:199}.user-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;z-index:200;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 30px #0000001f;min-width:200px;overflow:hidden}.user-menu-header{display:flex;align-items:center;gap:10px;padding:14px 16px}.user-menu-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}.user-menu-avatar img{width:100%;height:100%;object-fit:cover}.user-menu-info{display:flex;flex-direction:column;gap:2px}.user-menu-name{font-size:13px;font-weight:600;color:var(--text)}.user-menu-role{font-size:11px;color:var(--text-muted)}.user-menu-divider{height:1px;background:var(--border);margin:0 8px}.user-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:background var(--transition);text-align:left}.user-menu-item:hover{background:var(--bg-subtle);color:var(--text)}.user-menu-logout{color:#dc2626!important}.user-menu-logout:hover{background:#fef2f2!important}.login-page{height:100vh;height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--bg);position:relative;overflow:hidden}.login-bg{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none}.login-bg-shape{position:absolute;border-radius:50%;filter:blur(80px);opacity:.15}.login-particles{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.shape-1{width:400px;height:400px;background:var(--primary);top:-100px;right:-100px;animation:float-slow 8s ease-in-out infinite}.shape-2{width:300px;height:300px;background:#0d9488;bottom:-50px;left:-80px;animation:float-slow 10s ease-in-out infinite reverse}.shape-3{width:250px;height:250px;background:var(--accent);top:50%;left:50%;transform:translate(-50%,-50%);animation:float-slow 12s ease-in-out infinite}@keyframes float-slow{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.95)}}.login-card{width:400px;background:var(--bg-card);border-radius:20px;box-shadow:0 20px 60px #00000014;position:relative;z-index:1;overflow:hidden}.login-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),#0d9488,var(--accent))}.login-card-inner{padding:48px 40px 40px;text-align:center}.login-logo{margin-bottom:24px}.login-logo-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--primary-deep),#14b8a6);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto;box-shadow:0 8px 24px #14b8a64d}.login-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:6px}.login-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:32px}.login-field{margin-bottom:18px;text-align:left}.login-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.login-input-wrap{position:relative}.login-input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.login-input{width:100%;padding:12px 48px 12px 42px;border-radius:10px;border:1.5px solid var(--border);background:var(--bg-subtle);font-size:14px;color:var(--text);outline:none;transition:all var(--transition);box-sizing:border-box}.login-eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition)}.login-eye:hover{background:var(--bg-subtle);color:var(--text-secondary)}.login-eye:active{transform:translateY(-50%) scale(.92)}.login-eye.active{color:var(--primary)}.login-eye.active:hover{background:var(--primary-light);color:var(--primary)}.login-input:focus{border-color:#14b8a699;background:var(--bg-input);box-shadow:0 0 0 4px #14b8a61a}.login-input::placeholder{color:var(--text-muted)}.login-error{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:8px;background:#ef44441f;color:#dc2626;font-size:13px;margin-bottom:16px;border:1px solid rgba(239,68,68,.3)}.login-btn{width:100%;padding:13px;border-radius:10px;border:none;background:linear-gradient(135deg,#2dd4bf,#0d9488);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:all .22s cubic-bezier(.2,.8,.3,1);letter-spacing:.02em}.login-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px #14b8a659}.login-btn:active:not(:disabled){transform:translateY(0) scale(.98)}.login-btn:disabled{opacity:.5;cursor:not-allowed}.login-btn-loading{display:flex;align-items:center;justify-content:center;gap:8px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-spinner{animation:spin 1s linear infinite}.admin-page{height:100vh;height:100dvh;display:flex;flex-direction:column;background:var(--bg);overflow:hidden}.admin-header{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--bg-card);border-bottom:1px solid var(--border);flex-shrink:0}.admin-header h2{flex:1;font-size:18px;font-weight:600}.admin-back-btn{display:flex;align-items:center;gap:4px;padding:6px 12px;border-radius:8px;font-size:13px;color:var(--text-secondary);transition:all var(--transition)}.admin-back-btn:hover{background:var(--bg-subtle);color:var(--text)}.admin-create-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;background:var(--primary);color:#fff;font-size:13px;font-weight:500;transition:opacity var(--transition)}.admin-create-btn:hover{opacity:.85}.admin-users{flex:1;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:16px}.admin-user-card{background:var(--bg-card);border-radius:var(--radius);padding:20px;border:1px solid var(--border)}.admin-user-info{display:flex;align-items:center;gap:10px;margin-bottom:16px}.admin-user-name{font-size:16px;font-weight:600}.admin-user-role{font-size:11px;padding:2px 8px;border-radius:10px;font-weight:500}.admin-user-role.admin{background:var(--primary-light);color:var(--primary)}.admin-user-role.user{background:var(--bg-subtle);color:var(--text-secondary)}.admin-user-section{margin-bottom:12px}.admin-section-label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em}.admin-tags{display:flex;flex-wrap:wrap;gap:4px}.admin-tag{padding:4px 10px;border-radius:6px;border:1px solid var(--border);font-size:11px;color:var(--text-secondary);background:transparent;transition:all var(--transition)}.admin-tag:hover{border-color:var(--primary);color:var(--primary)}.admin-tag.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:500}.admin-tag.active.all{background:var(--bg-subtle);border-color:var(--border);color:var(--text-muted)}.admin-del-btn{margin-top:8px;padding:6px 14px;border-radius:6px;font-size:12px;color:#dc2626;transition:all var(--transition)}.admin-del-btn:hover{background:#ef44441f}.admin-select{padding:6px 10px;border-radius:6px;border:1.5px solid var(--border);font-size:13px;color:var(--text);background:var(--bg-card);outline:none}.admin-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:1000}.admin-dialog{background:var(--bg-card);border-radius:var(--radius);width:420px;max-width:90vw;box-shadow:var(--shadow-lg)}.admin-dialog-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.admin-dialog-header h3{font-size:16px;font-weight:600}.admin-close{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition)}.admin-close:hover{background:var(--bg-subtle);color:var(--text)}.admin-dialog-body{padding:20px}.admin-dialog-body label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;margin-top:12px}.admin-dialog-body label:first-child{margin-top:0}.admin-input{width:100%;padding:10px 12px;border-radius:8px;border:1.5px solid var(--border);font-size:14px;color:var(--text);background:var(--bg-subtle);outline:none;box-sizing:border-box;transition:border-color var(--transition)}.admin-input:focus{border-color:var(--primary);background:var(--bg-card)}.admin-dialog-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.admin-cancel-btn{padding:8px 16px;border-radius:8px;border:1px solid var(--border);font-size:13px;color:var(--text);background:var(--bg-card);transition:all var(--transition)}.admin-cancel-btn:hover{background:var(--bg-subtle)}.admin-confirm-btn{padding:8px 16px;border-radius:8px;border:none;background:var(--primary);color:#fff;font-size:13px;font-weight:500;transition:opacity var(--transition)}.admin-confirm-btn:hover{opacity:.85}.voice-dialog{width:520px}.voice-mic-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:18px}.voice-mic{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg-subtle);color:var(--text-muted);border:1.5px solid var(--border);position:relative;transition:all var(--transition)}.voice-mic.listening{background:linear-gradient(135deg,#14b8a6,#2dd4bf);color:#fff;border-color:#14b8a666;box-shadow:0 2px 14px #14b8a659}.voice-mic.listening:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid rgba(20,184,166,.45);animation:sonar-ping 2s ease-out infinite;pointer-events:none}.voice-status{font-size:13px;color:var(--text-secondary)}.voice-text{min-height:120px;max-height:240px;overflow-y:auto;padding:14px 16px;border-radius:10px;background:var(--bg-subtle);border:1.5px solid var(--border);font-size:15px;line-height:1.8;color:var(--text);white-space:pre-wrap;word-break:break-word}.voice-placeholder{color:var(--text-muted)}.header-btn.voice-active{color:#0f766e;background:#14b8a61f;border-color:#14b8a666}.voice-draft .message-text p{min-height:1.6em}.voice-listening-hint{color:var(--text-muted);font-style:italic}.voice-cursor{display:inline-block;width:2px;height:1em;margin-left:2px;vertical-align:text-bottom;background:var(--primary);animation:voice-cursor-blink 1s steps(2) infinite}@keyframes voice-cursor-blink{50%{opacity:0}}.voice-bar{display:flex;align-items:center;gap:10px;margin:0 24px 10px;padding:10px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg-card);font-size:13px;color:var(--text-muted)}.voice-bar-dot{width:8px;height:8px;border-radius:50%;background:#2dd4bf;flex-shrink:0;animation:dot-pulse 1.2s ease-in-out infinite}.voice-bar-dot.error{background:#ef4444;animation:none}.voice-bar-status{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.voice-mode-toggle{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;flex-shrink:0}.voice-mode-opt{padding:5px 10px;font-size:12px;color:var(--text-muted);background:transparent;transition:all var(--transition)}.voice-mode-opt.active{background:linear-gradient(135deg,#14b8a6,#2dd4bf);color:#fff;font-weight:600}.voice-bar-btn{padding:6px 14px;border-radius:8px;font-size:12px;cursor:pointer;transition:all var(--transition);flex-shrink:0}.voice-bar-btn.cancel{background:transparent;border:1px solid var(--border);color:var(--text-muted)}.voice-bar-btn.cancel:hover{color:var(--text);border-color:var(--text-muted)}.voice-bar-btn.send{background:linear-gradient(135deg,#14b8a6,#2dd4bf);border:none;color:#fff;font-weight:600}.voice-bar-btn.send:disabled{opacity:.4;cursor:not-allowed}.voice-chat-hint{margin:0 0 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ease}html,body{height:100%;font-family:var(--font-body);font-size:15px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%;text-size-adjust:100%;overscroll-behavior:none}button,input,textarea,a{touch-action:manipulation}#root{height:100%}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit;-webkit-tap-highlight-color:transparent}textarea{font-family:inherit;resize:none}pre{font-family:var(--font-mono);font-size:13px}::selection{background:#0d94882e;color:#134e4a}