:root{--bg-primary: #0E0F13;--bg-secondary: #16171C;--bg-tertiary: #1E1F25;--bg-hover: #23242B;--bg-selected: #2A2B33;--bg-bubble-out: #2B5278;--bg-bubble-in: #1E1F25;--text-primary: #E4E6EB;--text-secondary: #8B8F97;--text-tertiary: #5C5F66;--accent: #7C8AFF;--accent-dim: #5C6ADF;--accent-glow: rgba(124, 138, 255, .15);--green: #4ADE80;--red: #F87171;--orange: #FB923C;--border: #2A2B33;--border-light: #32333B;--shadow: 0 2px 12px rgba(0, 0, 0, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--transition: .15s ease;--font: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--sidebar-width: 380px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font);font-size:14px;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}input,textarea,button{font-family:inherit;font-size:inherit;color:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--text-tertiary);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--bg-primary)}.loading-logo{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.96)}}.loading-text{font-size:22px;font-weight:700;letter-spacing:-.5px}.loading-sub{color:var(--text-secondary);font-size:13px}.loading-error{color:var(--red);font-size:13px;margin-top:8px}.auth-page{height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:24px}.auth-card{width:100%;max-width:400px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px 32px;display:flex;flex-direction:column;align-items:center;gap:8px}.auth-logo{margin-bottom:8px}.auth-title{font-size:26px;font-weight:700;letter-spacing:-.5px}.auth-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.auth-error{width:100%;padding:10px 14px;background:#f871711a;border:1px solid rgba(248,113,113,.2);border-radius:var(--radius-sm);color:var(--red);font-size:13px;text-align:center}.auth-form{width:100%;display:flex;flex-direction:column;gap:16px}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.input-group input{width:100%;padding:12px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:16px;outline:none;transition:border-color var(--transition)}.input-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input-group input::placeholder{color:var(--text-tertiary)}.input-group input:disabled{opacity:.5}.input-hint{font-size:12px;color:var(--text-tertiary)}.auth-button{width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;min-height:48px}.auth-button:hover:not(:disabled){background:var(--accent-dim);transform:translateY(-1px)}.auth-button:disabled{opacity:.5;cursor:not-allowed}.auth-link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;padding:4px}.auth-link:hover{text-decoration:underline}.auth-phone-display{text-align:center;color:var(--text-secondary);font-size:13px;padding:8px 0}.auth-phone-display strong{color:var(--text-primary)}.auth-footer{margin-top:20px;display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text-tertiary);font-family:var(--font-mono)}.auth-footer-dot{opacity:.4}.main-page-wrap{height:100%;display:flex;flex-direction:column}.debug-panel{background:#0a0b0e;border-bottom:1px solid var(--border);font-family:var(--font-mono);font-size:11px;flex-shrink:0;z-index:100}.debug-header{display:flex;align-items:center;justify-content:space-between;padding:4px 12px;cursor:pointer;color:var(--green);font-weight:700;font-size:11px;-webkit-user-select:none;user-select:none;background:#4ade800f}.debug-header-right{display:flex;align-items:center;gap:8px}.debug-clear{background:none;border:1px solid var(--border);color:var(--text-tertiary);font-size:10px;padding:1px 6px;border-radius:3px;cursor:pointer;font-family:var(--font-mono)}.debug-clear:hover{color:var(--text-primary);border-color:var(--text-tertiary)}.debug-body{max-height:150px;overflow-y:auto;padding:2px 0}.debug-panel-collapsed .debug-body{display:none}.debug-empty{padding:6px 12px;color:var(--text-tertiary)}.debug-line{display:flex;gap:8px;padding:1px 12px;line-height:1.5}.debug-time{color:var(--text-tertiary);flex-shrink:0}.debug-text{color:var(--text-secondary);word-break:break-all}.debug-ok .debug-text{color:var(--green)}.debug-error .debug-text{color:var(--red)}.debug-warn .debug-text{color:var(--orange)}.debug-info .debug-text{color:var(--text-secondary)}.main-page{flex:1;min-height:0;display:flex;background:var(--bg-primary)}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);height:100%;display:flex;flex-direction:column;background:var(--bg-secondary);border-right:1px solid var(--border)}.sidebar-header{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);min-height:64px}.sidebar-header-left{display:flex;align-items:center;gap:10px}.sidebar-title{font-size:18px;font-weight:700;letter-spacing:-.3px}.ai-toggle{display:flex;align-items:center;gap:6px;padding:4px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:14px;cursor:pointer;transition:all var(--transition);font-family:var(--font-mono)}.ai-toggle:hover{border-color:var(--accent)}.ai-toggle-on{background:#4ade801f;border-color:var(--green)}.ai-toggle-dot{width:8px;height:8px;border-radius:50%;background:var(--text-tertiary);transition:background var(--transition)}.ai-toggle-on .ai-toggle-dot{background:var(--green);box-shadow:0 0 6px var(--green);animation:aiPulse 2s ease-in-out infinite}@keyframes aiPulse{0%,to{opacity:1}50%{opacity:.5}}.ai-toggle-label{font-size:11px;font-weight:700;color:var(--text-secondary);letter-spacing:.5px}.ai-toggle-on .ai-toggle-label{color:var(--green)}.ai-log{padding:6px 12px;border-bottom:1px solid var(--border);background:#4ade800a;max-height:140px;overflow-y:auto}.ai-log-item{display:flex;align-items:center;gap:6px;padding:3px 0;font-size:11px}.ai-log-badge{padding:1px 4px;background:var(--green);color:#000;border-radius:3px;font-size:9px;font-weight:700;font-family:var(--font-mono);flex-shrink:0}.ai-log-chat{color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.ai-log-time{color:var(--text-tertiary);font-family:var(--font-mono);flex-shrink:0}.chat-item-top-right{display:flex;align-items:center;gap:6px;flex-shrink:0}.chat-item-ai-btn{padding:1px 5px;background:#4ade8026;color:var(--green);border:1px solid rgba(74,222,128,.3);border-radius:4px;font-size:9px;font-weight:700;font-family:var(--font-mono);cursor:pointer;transition:all var(--transition)}.chat-item-ai-btn:hover{background:#4ade8040}.chat-item-ai-btn-off{background:#f871711a;color:var(--red);border-color:#f871714d;text-decoration:line-through}.chat-item-ai-btn-off:hover{background:#f8717133}.chat-item-ai-excluded{opacity:.6}.chat-item-ai-processing{position:absolute;bottom:-2px;right:-2px}.ai-badge{display:none}.sidebar-header-right{display:flex;align-items:center;gap:12px}.user-name{font-size:12px;color:var(--text-secondary)}.btn-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-loading{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-secondary);font-size:13px}.chat-list{flex:1;display:flex;flex-direction:column;overflow:hidden}.search-box{padding:12px 16px;position:relative}.search-icon{position:absolute;left:28px;top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}.search-input{width:100%;padding:10px 16px 10px 40px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;outline:none;transition:border-color var(--transition)}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-tertiary)}.search-clear{position:absolute;right:28px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-tertiary);font-size:18px;cursor:pointer;padding:4px;line-height:1}.chat-list-scroll{flex:1;overflow-y:auto;padding:4px 8px}.chat-list-empty{padding:40px 20px;text-align:center;color:var(--text-tertiary);font-size:13px}.chat-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition)}.chat-item:hover{background:var(--bg-hover)}.chat-item-selected,.chat-item-selected:hover{background:var(--bg-selected)}.chat-item-avatar{flex-shrink:0;position:relative}.avatar-img{width:48px;height:48px;border-radius:50%;object-fit:cover}.avatar-placeholder{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff}.avatar-sm{width:38px!important;height:38px!important;font-size:13px!important}.chat-item-content{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.chat-item-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-item-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item-type{font-size:12px}.chat-item-date{font-size:11px;color:var(--text-tertiary);white-space:nowrap;flex-shrink:0}.chat-item-unread .chat-item-date{color:var(--accent)}.chat-item-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-item-preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item-badge{flex-shrink:0;min-width:20px;height:20px;padding:0 6px;background:var(--accent);color:#fff;border-radius:10px;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);min-width:0}.chat-area-empty{align-items:center;justify-content:center}.chat-placeholder{display:flex;flex-direction:column;align-items:center;gap:12px}.chat-placeholder-icon{opacity:.5}.chat-placeholder-text{font-size:18px;font-weight:600;color:var(--text-secondary)}.chat-placeholder-sub{font-size:13px;color:var(--text-tertiary)}.chat-view{height:100%;display:flex;flex-direction:column}.chat-view-header{display:flex;align-items:center;gap:12px;padding:12px 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auto}.message-date-divider{display:flex;justify-content:center;padding:12px 0}.message-date-divider span{padding:4px 12px;background:var(--bg-tertiary);border-radius:12px;font-size:12px;color:var(--text-secondary);font-weight:500}.message{display:flex;padding:2px 0}.message-out{justify-content:flex-end}.message-in{justify-content:flex-start}.message-bubble{max-width:65%;padding:8px 12px;border-radius:var(--radius-md);word-break:break-word;position:relative}.message-out .message-bubble{background:var(--bg-bubble-out);border-bottom-right-radius:4px}.message-in .message-bubble{background:var(--bg-bubble-in);border:1px solid var(--border);border-bottom-left-radius:4px}.message-pending .message-bubble{opacity:.6}.message-error .message-bubble{border:1px solid var(--red)}.message-text{font-size:14px;line-height:1.45;white-space:pre-wrap}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:4px}.message-time{font-size:11px;color:var(--text-tertiary);font-family:var(--font-mono)}.message-status{font-size:12px}.message-input{display:flex;align-items:flex-end;gap:8px;padding:12px 20px 16px;background:var(--bg-secondary);border-top:1px solid var(--border);position:relative}.message-input-main{flex:1;display:flex;flex-direction:column;min-width:0}.message-input-field{width:100%;padding:10px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;line-height:1.4;outline:none;resize:none;min-height:42px;max-height:150px;transition:border-color var(--transition)}.message-input-field:focus{border-color:var(--accent)}.message-input-field::placeholder{color:var(--text-tertiary)}.btn-attach{width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}.btn-attach:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-voice{width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}.btn-voice:hover{background:var(--bg-hover);color:var(--red)}.message-send-btn{width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition)}.message-send-btn:disabled{cursor:not-allowed}.message-send-btn-active{background:var(--accent);border-color:var(--accent);color:#fff}.message-send-btn-active:hover{background:var(--accent-dim)}.attach-preview{display:flex;align-items:center;gap:10px;padding:8px 12px;margin-bottom:6px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);position:relative}.attach-preview-img{width:60px;height:60px;object-fit:cover;border-radius:var(--radius-sm)}.attach-preview-file{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary);min-width:0}.attach-preview-file span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attach-preview-remove{position:absolute;top:4px;right:4px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:#00000080;border:none;border-radius:50%;color:#fff;cursor:pointer;padding:0}.attach-preview-remove:hover{background:var(--red)}.message-input-recording{justify-content:center;align-items:center;gap:16px}.recording-indicator{display:flex;align-items:center;gap:10px;flex:1}.recording-dot{width:12px;height:12px;background:var(--red);border-radius:50%;animation:recPulse 1s ease-in-out infinite}@keyframes recPulse{0%,to{opacity:1}50%{opacity:.3}}.recording-time{font-size:16px;font-family:var(--font-mono);color:var(--text-primary)}.recording-cancel{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:50%;color:var(--text-secondary);cursor:pointer}.recording-cancel:hover{background:var(--bg-hover);color:var(--red)}.recording-stop{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--accent);border:none;border-radius:50%;color:#fff;cursor:pointer}.recording-stop:hover{background:var(--accent-dim)}.message-input-dragover{border-color:var(--accent)}.drag-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#7c8aff26;border:2px dashed var(--accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;z-index:10;pointer-events:none}.drag-overlay span{color:var(--accent);font-size:14px;font-weight:600}.msg-link{color:#7cacf8;text-decoration:none;word-break:break-all}.msg-link:hover{text-decoration:underline}.msg-mention{color:var(--accent);font-weight:500}.media-loading{display:flex;align-items:center;justify-content:center;min-height:80px;min-width:120px}.media-placeholder{display:flex;align-items:center;justify-content:center;min-height:80px;min-width:120px;background:var(--bg-tertiary);border-radius:var(--radius-sm);color:var(--text-tertiary);font-size:13px}.media-photo{cursor:pointer;margin:-8px -12px 4px;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0}.media-photo img{display:block;width:100%;max-height:400px;object-fit:contain;background:#000}.message-bubble:not(:has(.message-text)) .media-photo{margin-bottom:-4px;border-radius:var(--radius-md)}.media-lightbox{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000eb;display:flex;align-items:center;justify-content:center;z-index:9999;cursor:pointer}.media-lightbox img{max-width:95vw;max-height:95vh;object-fit:contain;border-radius:4px}.lightbox-close{position:absolute;top:16px;right:20px;background:#ffffff26;border:none;color:#fff;font-size:22px;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}.lightbox-close:hover{background:#ffffff40}.media-video{margin:-8px -12px 4px;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0}.media-video video{display:block;width:100%;max-height:400px;background:#000}.message-bubble:not(:has(.message-text)) .media-video{margin-bottom:-4px;border-radius:var(--radius-md)}.media-gif{margin:-8px -12px 4px;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0}.media-gif video{display:block;width:100%;max-height:300px;object-fit:contain;background:#000}.message-bubble:not(:has(.message-text)) .media-gif{margin-bottom:-4px;border-radius:var(--radius-md)}.message-sticker-wrap .message-bubble,.message-bubble-sticker{background:transparent!important;border:none!important;padding:0!important}.media-sticker{width:180px;height:180px}.media-sticker img,.media-sticker video{width:100%;height:100%;object-fit:contain}.media-sticker span{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:80px}.media-sticker-animated{width:180px;height:180px;display:flex;align-items:center;justify-content:center;font-size:80px}.media-voice{display:flex;align-items:center;gap:10px;min-width:200px;padding:4px 0}.voice-play-btn{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--accent);border:none;border-radius:50%;color:#fff;cursor:pointer;transition:background var(--transition)}.voice-play-btn:hover{background:var(--accent-dim)}.voice-play-btn:disabled{opacity:.5;cursor:not-allowed}.voice-track{flex:1;height:4px;background:#ffffff26;border-radius:2px;cursor:pointer;position:relative}.voice-progress{height:100%;background:var(--accent);border-radius:2px;transition:width .1s linear}.voice-duration{font-size:12px;color:var(--text-secondary);font-family:var(--font-mono);flex-shrink:0}.media-video-note{width:240px;height:240px;border-radius:50%;overflow:hidden;border:3px solid var(--accent)}.media-video-note video{width:100%;height:100%;object-fit:cover}.media-placeholder-round{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);color:var(--text-tertiary);font-size:13px}.media-audio{display:flex;align-items:center;gap:10px;padding:4px 0}.media-audio-icon{color:var(--accent);flex-shrink:0}.media-audio-name{font-size:13px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.media-audio audio{height:32px;max-width:200px}.media-document{display:flex;align-items:center;gap:10px;padding:6px 0}.media-doc-icon{flex-shrink:0;color:var(--accent)}.media-doc-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.media-doc-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-doc-size{font-size:11px;color:var(--text-tertiary)}.media-doc-download{flex-shrink:0;color:var(--accent);padding:4px;display:flex;align-items:center}.media-doc-download:hover{color:var(--accent-dim)}.media-unsupported{font-size:13px;color:var(--text-tertiary);padding:8px 0;font-style:italic}@media (max-width: 768px){:root{--sidebar-width: 100%}.main-page{flex-direction:column}.sidebar{width:100%;min-width:unset}.sidebar-hidden-mobile,.chat-area-empty{display:none}.btn-back{display:flex}.message-bubble{max-width:85%}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-item{animation:fadeIn .2s ease}.message{animation:fadeIn .15s ease}.auth-card{animation:fadeIn .3s ease}