@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background-color .3s,color .3s}:root{--bg-primary:#fff;--bg-secondary:#f0f2f5;--bg-tertiary:#e4e6eb;--bg-chat:#efeae2;--bg-chat-pattern:#0000000a;--bg-sidebar:#fff;--bg-topbar:#00897b;--bg-input:#fff;--bg-hover:#f5f5f5;--bg-active:#e8f5e9;--bubble-incoming:#fff;--bubble-outgoing:#d9fdd3;--bubble-incoming-shadow:#0000000f;--bubble-outgoing-shadow:#0000000f;--text-primary:#111b21;--text-secondary:#667781;--text-tertiary:#8696a0;--text-inverse:#fff;--text-link:#027eb5;--text-bubble-time:#667781;--text-bubble-time-out:#4e9b57;--accent:#00a884;--accent-hover:#008f72;--accent-light:#00a8841a;--accent-gradient:linear-gradient(135deg, #00a884 0%, #00897b 100%);--border:#e9edef;--border-light:#f0f2f5;--divider:#e9edef;--unread-badge:#25d366;--danger:#ea4335;--danger-hover:#d33426;--warning:#f9a825;--scrollbar-thumb:#ccc;--scrollbar-track:transparent;--shadow-sm:0 1px 2px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 24px #0000001f;--shadow-glow:0 0 20px #00a88426;--modal-overlay:#00000080;--modal-bg:#fff;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--sidebar-width:340px;--topbar-height:60px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}[data-theme=dark]{--bg-primary:#111b21;--bg-secondary:#202c33;--bg-tertiary:#2a3942;--bg-chat:#0b141a;--bg-chat-pattern:#ffffff05;--bg-sidebar:#111b21;--bg-topbar:#202c33;--bg-input:#2a3942;--bg-hover:#202c33;--bg-active:#2a3942;--bubble-incoming:#202c33;--bubble-outgoing:#005c4b;--bubble-incoming-shadow:#0003;--bubble-outgoing-shadow:#0003;--text-primary:#e9edef;--text-secondary:#8696a0;--text-tertiary:#667781;--text-inverse:#111b21;--text-link:#53bdeb;--text-bubble-time:#8696a0;--text-bubble-time-out:#6dbc79;--accent:#00a884;--accent-hover:#06cf9c;--accent-light:#00a88426;--accent-gradient:linear-gradient(135deg, #00a884 0%, #005c4b 100%);--border:#2a3942;--border-light:#1d282f;--divider:#2a3942;--scrollbar-thumb:#374045;--scrollbar-track:transparent;--shadow-sm:0 1px 2px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 24px #0006;--shadow-glow:0 0 20px #00a88433;--modal-overlay:#000000b3;--modal-bg:#1f2c33}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.fade-in{animation:fadeIn var(--transition-normal) forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.slide-in-left{animation:slideInLeft var(--transition-normal) forwards}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.slide-in-right{animation:slideInRight var(--transition-normal) forwards}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.scale-in{animation:scaleIn var(--transition-normal) forwards}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.auth-page{background:var(--bg-secondary);justify-content:center;align-items:center;height:100vh;display:flex;position:relative;overflow:hidden}.auth-page:before{content:"";background:var(--accent-gradient);height:220px;position:absolute;top:0;left:0;right:0}.auth-card{z-index:1;background:var(--bg-primary);border-radius:var(--radius-lg);width:420px;max-width:90vw;box-shadow:var(--shadow-lg);padding:40px;animation:.4s forwards scaleIn;position:relative}.auth-logo{text-align:center;margin-bottom:8px}.auth-logo svg{width:48px;height:48px;fill:var(--accent)}.auth-title{text-align:center;color:var(--text-primary);margin-bottom:6px;font-size:24px;font-weight:700}.auth-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:28px;font-size:14px}.auth-form{flex-direction:column;gap:16px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:500}.form-input{border:2px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);width:100%;color:var(--text-primary);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:12px 16px;font-family:inherit;font-size:15px}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.form-input::placeholder{color:var(--text-tertiary)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:inherit;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--bg-tertiary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-ghost{color:var(--accent);background:0 0;padding:8px 12px}.btn-ghost:hover{background:var(--accent-light)}.btn-icon{border-radius:var(--radius-full);width:40px;height:40px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.auth-toggle{text-align:center;color:var(--text-secondary);margin-top:16px;font-size:14px}.auth-toggle button{color:var(--accent);cursor:pointer;background:0 0;border:none;font-family:inherit;font-size:14px;font-weight:600}.auth-toggle button:hover{text-decoration:underline}.auth-error{color:var(--danger);border-radius:var(--radius-sm);text-align:center;background:#ea43351a;padding:10px 14px;font-size:13px}.dashboard{background:var(--bg-secondary);height:100vh;display:flex}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);height:100%;transition:transform var(--transition-normal);flex-direction:column;display:flex}.sidebar-header{height:var(--topbar-height);background:var(--bg-topbar);color:var(--text-inverse);justify-content:space-between;align-items:center;padding:10px 16px;display:flex}[data-theme=dark] .sidebar-header{color:var(--text-primary)}.sidebar-header-left{align-items:center;gap:12px;display:flex}.sidebar-header-right{align-items:center;gap:4px;display:flex}.sidebar-header .btn-icon{color:var(--text-inverse)}[data-theme=dark] .sidebar-header .btn-icon{color:var(--text-secondary)}.sidebar-header .btn-icon:hover{background:#ffffff1a}[data-theme=dark] .sidebar-header .btn-icon:hover{background:var(--bg-hover)}.sidebar-username{font-size:16px;font-weight:600}.bot-switcher{position:relative}.bot-switcher-btn{background:var(--bg-secondary);border:none;border-bottom:1px solid var(--border);cursor:pointer;width:100%;transition:background var(--transition-fast);text-align:left;color:var(--text-primary);align-items:center;gap:10px;padding:10px 16px;font-family:inherit;display:flex}.bot-switcher-btn:hover{background:var(--bg-hover)}.bot-switcher-icon{border-radius:var(--radius-full);background:var(--accent-gradient);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.bot-switcher-info{flex:1;min-width:0}.bot-switcher-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.bot-switcher-username{color:var(--text-secondary);font-size:12px}.bot-switcher-arrow{color:var(--text-tertiary);transition:transform var(--transition-fast)}.bot-switcher-arrow.open{transform:rotate(180deg)}.bot-dropdown{background:var(--bg-primary);border:1px solid var(--border);border-radius:0 0 var(--radius-md) var(--radius-md);box-shadow:var(--shadow-md);z-index:100;animation:fadeIn var(--transition-fast) forwards;max-height:240px;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.bot-dropdown-item{cursor:pointer;transition:background var(--transition-fast);text-align:left;width:100%;color:var(--text-primary);background:0 0;border:none;align-items:center;gap:10px;padding:10px 16px;font-family:inherit;display:flex}.bot-dropdown-item:hover{background:var(--bg-hover)}.bot-dropdown-item.active{background:var(--accent-light)}.bot-dropdown-add{border-top:1px solid var(--border);color:var(--accent);font-size:14px;font-weight:600}.search-container{border-bottom:1px solid var(--border);padding:8px 12px}.search-input-wrapper{background:var(--bg-secondary);border-radius:var(--radius-md);transition:background var(--transition-fast);align-items:center;gap:8px;padding:0 12px;display:flex}.search-input-wrapper:focus-within{background:var(--bg-primary);box-shadow:inset 0 0 0 2px var(--accent)}.search-icon{color:var(--text-tertiary);flex-shrink:0}.search-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:10px 0;font-family:inherit;font-size:14px}.search-input::placeholder{color:var(--text-tertiary)}.search-clear{color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-full);transition:all var(--transition-fast);background:0 0;border:none;align-items:center;padding:4px;display:flex}.search-clear:hover{color:var(--text-primary);background:var(--bg-tertiary)}.search-results{max-height:calc(100vh - 200px);overflow-y:auto}.search-result-item{cursor:pointer;transition:background var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 16px;font-family:inherit;display:flex}.search-result-item:hover{background:var(--bg-hover)}.search-result-type{text-transform:uppercase;color:var(--accent);letter-spacing:.5px;font-size:10px;font-weight:600}.search-result-name{color:var(--text-primary);font-size:14px;font-weight:500}.search-result-preview{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}mark{background:var(--accent-light);color:var(--accent);border-radius:2px;padding:0 2px}.chat-list{flex:1;overflow:hidden auto}.chat-item{cursor:pointer;transition:background var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-family:inherit;display:flex;position:relative}.chat-item:hover{background:var(--bg-hover)}.chat-item.active{background:var(--bg-active)}.chat-item+.chat-item{border-top:1px solid var(--border-light)}.chat-item-info{flex:1;min-width:0}.chat-item-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-item-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:500;overflow:hidden}.chat-item-time{color:var(--text-tertiary);flex-shrink:0;font-size:12px}.chat-item.has-unread .chat-item-time{color:var(--accent)}.chat-item-bottom{justify-content:space-between;align-items:center;gap:8px;margin-top:2px;display:flex}.chat-item-preview{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.unread-badge{border-radius:var(--radius-full);background:var(--unread-badge);color:#fff;flex-shrink:0;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:700;display:flex}.avatar{border-radius:var(--radius-full);color:#fff;-webkit-user-select:none;user-select:none;text-transform:uppercase;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:18px;font-weight:700;display:flex}.avatar-sm{width:36px;height:36px;font-size:14px}.avatar-lg{width:60px;height:60px;font-size:22px}.chat-panel{background:var(--bg-chat);flex-direction:column;flex:1;min-width:0;height:100%;display:flex;position:relative}.chat-panel-header{height:var(--topbar-height);background:var(--bg-topbar);color:var(--text-inverse);box-shadow:var(--shadow-sm);z-index:2;align-items:center;gap:12px;padding:10px 16px;display:flex}[data-theme=dark] .chat-panel-header{color:var(--text-primary)}.chat-panel-header-info{flex:1;min-width:0}.chat-panel-header-name{white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:600;overflow:hidden}.chat-panel-header-status{opacity:.8;font-size:13px}.chat-messages{flex-direction:column;flex:1;gap:2px;padding:16px 60px;display:flex;position:relative;overflow-y:auto}.chat-messages:before{content:"";background-image:radial-gradient(circle at 20% 50%, var(--bg-chat-pattern) 1px, transparent 1px), radial-gradient(circle at 80% 20%, var(--bg-chat-pattern) 1px, transparent 1px);pointer-events:none;background-size:40px 40px;position:absolute;inset:0}.message-row{animation:.2s forwards fadeIn;display:flex}.message-row.incoming{justify-content:flex-start}.message-row.outgoing{justify-content:flex-end}.message-bubble{border-radius:var(--radius-md);word-wrap:break-word;white-space:pre-wrap;min-width:80px;max-width:65%;padding:8px 12px 6px;line-height:1.4;position:relative}.message-row.incoming .message-bubble{background:var(--bubble-incoming);box-shadow:var(--shadow-sm);border-top-left-radius:4px}.message-row.outgoing .message-bubble{background:var(--bubble-outgoing);box-shadow:var(--shadow-sm);border-top-right-radius:4px}.message-text{color:var(--text-primary);font-size:14.5px}.message-meta{justify-content:flex-end;align-items:center;gap:4px;margin-top:2px;display:flex}.message-time{color:var(--text-bubble-time);font-size:11px}.message-row.outgoing .message-time{color:var(--text-bubble-time-out)}.message-media{border-radius:var(--radius-sm);max-width:100%;margin-bottom:4px;overflow:hidden}.message-media img{border-radius:var(--radius-sm);cursor:pointer;max-width:100%;max-height:300px;transition:opacity var(--transition-fast);display:block}.message-media img:hover{opacity:.9}.message-media-file{border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);background:#0000000d;align-items:center;gap:10px;padding:8px 12px;display:flex}.message-media-file:hover{background:#00000014}.message-media-file-icon{border-radius:var(--radius-sm);background:var(--accent-gradient);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.message-media-file-info{flex:1;min-width:0}.message-media-file-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.message-media-file-type{color:var(--text-secondary);text-transform:uppercase;font-size:11px}.date-divider{justify-content:center;align-items:center;padding:12px 0;display:flex}.date-divider span{color:#fff;border-radius:var(--radius-full);background:#00000026;padding:5px 14px;font-size:12px;font-weight:500}[data-theme=dark] .date-divider span{color:var(--text-secondary);background:#ffffff1a}.load-more-btn{border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:#00000014;border:none;margin:8px auto;padding:6px 16px;font-family:inherit;font-size:13px;display:block}.load-more-btn:hover{background:#0000001f}.message-input-container{background:var(--bg-secondary);align-items:flex-end;gap:8px;padding:8px 16px;display:flex}.message-input-wrapper{background:var(--bg-input);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex:1;align-items:flex-end;gap:8px;padding:6px 12px;display:flex}.attach-btn{width:36px;height:36px;color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-full);transition:all var(--transition-fast);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.attach-btn:hover{color:var(--text-secondary);background:var(--bg-hover)}.message-textarea{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:36px;max-height:120px;padding:8px 0;font-family:inherit;font-size:15px;line-height:1.4}.message-textarea::placeholder{color:var(--text-tertiary)}.send-btn{border-radius:var(--radius-full);background:var(--accent-gradient);color:#fff;cursor:pointer;width:44px;height:44px;transition:all var(--transition-fast);box-shadow:var(--shadow-sm);border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.send-btn:hover:not(:disabled){box-shadow:var(--shadow-glow);transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{color:var(--text-secondary);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:40px;display:flex}.empty-state-icon{border-radius:var(--radius-full);background:var(--accent-light);justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:8px;display:flex}.empty-state-icon svg{width:36px;height:36px;color:var(--accent)}.empty-state h2{color:var(--text-primary);font-size:20px;font-weight:600}.empty-state p{max-width:340px;font-size:14px;line-height:1.6}.modal-overlay{background:var(--modal-overlay);z-index:1000;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--modal-bg);border-radius:var(--radius-lg);width:440px;max-width:100%;box-shadow:var(--shadow-lg);animation:.2s forwards scaleIn;overflow:hidden}.modal-header{justify-content:space-between;align-items:center;padding:20px 24px 12px;display:flex}.modal-title{color:var(--text-primary);font-size:18px;font-weight:700}.modal-close{width:32px;height:32px;color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-full);transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:12px 24px 24px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;align-items:center;gap:10px;padding:16px 24px;display:flex}.modal-success{background:var(--accent-light);border-radius:var(--radius-md);align-items:center;gap:12px;margin-top:12px;padding:14px;display:flex}.modal-success-icon{color:var(--accent)}.modal-success-info h4{color:var(--text-primary);font-size:14px;font-weight:600}.modal-success-info p{color:var(--text-secondary);font-size:13px}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:var(--radius-full);width:32px;height:32px;animation:.7s linear infinite spin}.spinner-sm{border-width:2px;width:18px;height:18px}.loading-container{justify-content:center;align-items:center;padding:40px;display:flex}.theme-toggle{cursor:pointer;border-radius:var(--radius-full);width:32px;height:32px;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex;position:relative}.theme-toggle svg{width:20px;height:20px;transition:transform .4s}.connection-status{background:var(--warning);color:#000;justify-content:center;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;display:flex}.connection-dot{border-radius:var(--radius-full);background:currentColor;width:6px;height:6px;animation:1.5s infinite pulse}.file-upload-overlay{background:var(--bg-primary);border-top:1px solid var(--border);align-items:center;gap:12px;padding:12px 16px;animation:.15s fadeIn;display:flex;position:absolute;bottom:100%;left:0;right:0;box-shadow:0 -4px 12px #00000014}.file-preview{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.file-preview-icon{border-radius:var(--radius-sm);background:var(--accent-light);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.file-preview-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.file-preview-size{color:var(--text-secondary);font-size:12px}@media (width<=768px){.sidebar{z-index:50;width:100%;max-width:100%;position:fixed;top:0;bottom:0;left:0;transform:translate(0)}.sidebar.hidden-mobile{transform:translate(-100%)}.chat-messages{padding:12px 16px}.message-bubble{max-width:85%}.chat-panel-back{display:flex!important}}@media (width>=769px){.chat-panel-back{display:none!important}}.chat-item{animation:.2s forwards fadeIn}.chat-item:first-child{animation-delay:20ms}.chat-item:nth-child(2){animation-delay:40ms}.chat-item:nth-child(3){animation-delay:60ms}.chat-item:nth-child(4){animation-delay:80ms}.chat-item:nth-child(5){animation-delay:.1s}