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.12));color:var(--accent);font-weight:600}.channel-hash{position:relative;display:inline-flex;align-items:center;justify-content:center;width:18px;min-width:18px;height:18px;opacity:.5;font-weight:700;flex-shrink:0}.channel-hash-base{display:inline-flex;align-items:center;justify-content:center;line-height:1}.channel-lock-badge{position:absolute;top:-2px;right:-3px;width:11px;height:11px;opacity:1;color:var(--text-sidebar, currentColor);pointer-events:none;flex-shrink:0}.channel-private-indicator{opacity:.6}.channel-item-active .channel-private-indicator,.channel-item:hover .channel-private-indicator{opacity:.85}.channel-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread-badge{display:flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:var(--bg-badge);color:#fff;font-size:11px;font-weight:700;border-radius:10px}.sidebar-empty{padding:16px;text-align:center;color:var(--text-sidebar-dim);font-size:13px}.sidebar-empty-actions{margin-top:10px}.join-btn{font-size:11px;padding:2px 8px;margin-left:auto;flex-shrink:0}.channel-item-preview{opacity:.6}.preview-badge{font-size:10px;padding:1px 6px;margin-left:auto;flex-shrink:0;background:var(--bg-sidebar-hover);border-radius:4px;color:var(--text-sidebar-dim)}.channel-item-archived{opacity:.55;font-style:italic}.channel-item-archived .channel-name{text-decoration:line-through}.archived-badge{font-size:10px;padding:1px 6px;margin-left:auto;flex-shrink:0;background:var(--bg-sidebar-hover);border-radius:4px;color:var(--text-sidebar-dim)}.channel-item-disabled{opacity:.55;font-style:italic}.agent-disabled-badge{font-size:10px;padding:1px 6px;margin-left:auto;flex-shrink:0;background:var(--bg-sidebar-hover);border-radius:4px;color:var(--text-sidebar-dim);font-style:normal}.user-badge-silent{background:transparent;opacity:.7}.readonly-composer-placeholder{min-height:54px;margin:8px 12px;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);background:var(--bg-sidebar-hover);font-size:12px}.readonly-composer-placeholder>svg{color:var(--text-sidebar-dim)}.readonly-composer-placeholder>button{border:0;border-radius:5px;padding:6px 10px;color:#fff;background:var(--primary-color, #6366f1);font:inherit;font-weight:600;cursor:pointer}.readonly-composer-placeholder>button:hover:not(:disabled){filter:brightness(1.08)}.readonly-composer-placeholder>button:disabled{cursor:wait;opacity:.7}.leave-btn{font-size:12px;color:var(--text-secondary);border:1px solid var(--border-color);background:transparent;cursor:pointer;padding:4px 10px;border-radius:4px}@media(hover:hover){.leave-btn:hover{background:var(--bg-message-hover);color:var(--bg-badge)}}.channel-create-form{padding:12px;border-bottom:1px solid var(--border-color);display:flex;flex-direction:column;gap:8px}.channel-create-form .input-field{background:var(--bg-sidebar-hover);border:1px solid var(--border-color);color:var(--text-sidebar)}.channel-create-form .input-field::placeholder{color:var(--text-sidebar-dim)}.form-actions{display:flex;gap:8px}.visibility-toggle{display:flex;flex-direction:column;gap:4px}.visibility-option{display:flex;align-items:center;gap:6px;color:var(--text-sidebar);font-size:13px;cursor:pointer;padding:4px 0}.visibility-option input[type=radio]{accent-color:var(--accent)}.online-users{padding:8px;border-top:1px solid var(--border-color);max-height:200px;overflow-y:auto}.online-header{padding:4px 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-sidebar-dim)}.online-user-item{display:flex;align-items:center;gap:8px;width:100%;padding:4px 12px;border:none;border-radius:6px;background:transparent;color:var(--text-sidebar-dim);font-size:13px;text-align:left;cursor:pointer;transition:all .15s}@media(hover:hover){.online-user-item:hover{background:var(--bg-sidebar-hover);color:var(--text-sidebar)}}.online-user-item:active{background:var(--bg-sidebar-active)}.online-dot{width:8px;height:8px;border-radius:50%;background:var(--success);flex-shrink:0}.presence-inline{display:inline-flex;align-items:center;gap:4px;font-size:12px}.presence-inline-compact{gap:0}.presence-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;border:2px solid var(--bg-primary, #fff);box-sizing:content-box}.presence-dot.presence-online{background:var(--success, #1a7f37)}.presence-dot.presence-offline{background:var(--text-secondary, #57606a)}.presence-dot.presence-error{background:var(--danger, #cf222e)}.presence-dot.presence-disabled{background:transparent;box-shadow:inset 0 0 0 2px var(--text-secondary, #57606a)}.rt3-presence-dot{display:inline-block;width:8px;height:8px;border-radius:50%;flex-shrink:0;background:var(--text-secondary, #57606a);border:2px solid var(--bg-primary, #fff);box-sizing:content-box}.rt3-presence-dot-online{background:var(--success, #1a7f37)}.rt3-presence-dot-offline{background:var(--text-secondary, #57606a)}.rt3-presence-dot-recently-active{background:var(--warning, #bf8700)}.presence-text{color:var(--text-secondary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.online-user-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-badge{font-size:10px;padding:1px 5px;border-radius:3px;background:var(--bg-sidebar-hover);color:var(--text-sidebar-dim);font-weight:600}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border-color)}.current-user{display:flex;align-items:center;gap:8px;flex-wrap:nowrap}.sidebar-account{position:relative;flex-shrink:0}.sidebar-account-trigger{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:0;border-radius:6px;padding:0;background:transparent;cursor:pointer}@media(hover:hover){.sidebar-account-trigger:hover{background:var(--bg-sidebar-hover)}}.sidebar-account-panel{position:absolute;left:0;bottom:calc(100% + 8px);width:220px;padding:8px;border:1px solid var(--border-color);border-radius:6px;background:var(--bg-primary);box-shadow:0 10px 30px #00000038;z-index:20}.sidebar-account-panel-title{padding:4px 6px 8px;color:var(--text-secondary);font-size:12px;font-weight:700}.sidebar-account-summary{display:flex;align-items:center;gap:8px;min-width:0;padding:6px;margin-bottom:4px}.sidebar-account-summary-avatar{width:32px;height:32px}.sidebar-account-summary-text{min-width:0}.sidebar-account-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);font-size:14px;font-weight:700}.sidebar-account-role{margin-top:2px;color:var(--text-secondary);font-size:12px}.sidebar-account-divider{height:1px;background:var(--border-color);margin:4px 0}.microsoft-account-status{padding:6px;color:var(--text-secondary);font-size:12px;line-height:1.4}.microsoft-connect-link{display:flex;margin:-6px;color:var(--text-primary);text-decoration:none}.sidebar-footer-secondary{position:relative;margin-left:auto}.sidebar-footer-more-btn{position:relative}.sidebar-footer-more-badge{position:absolute;top:-4px;right:-6px;min-width:16px;height:16px;padding:0 4px;font-size:10px;line-height:16px}.sidebar-footer-secondary-menu{position:absolute;right:0;bottom:calc(100% + 8px);min-width:178px;padding:6px;border:1px solid var(--border-color);border-radius:6px;background:var(--bg-primary);box-shadow:0 10px 30px #00000038;z-index:20}.sidebar-footer-secondary-item{width:100%;min-height:32px;display:flex;align-items:center;gap:8px;border:0;border-radius:4px;padding:6px 8px;background:transparent;color:var(--text-primary);font:inherit;text-align:left;cursor:pointer}.sidebar-footer-secondary-item:hover{background:var(--bg-sidebar-hover)}.sidebar-footer-secondary-item .unread-badge{margin-left:auto}.user-avatar-small{width:28px;height:28px;flex-shrink:0;aspect-ratio:1 / 1;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;position:relative}.avatar-status{position:absolute;bottom:-1px;right:-1px;width:10px;height:10px;border:2px solid var(--bg-sidebar);border-radius:50%;background:var(--success)}.main-content{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg-primary);height:100%;overflow:hidden;padding-bottom:env(safe-area-inset-bottom)}.no-channel{flex:1;display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;color:var(--text-secondary);font-size:16px}.no-channel-retry{padding:6px 14px;background:transparent;color:var(--text-primary);border:1px solid var(--border-color, #ccc);border-radius:6px;font-size:13px;cursor:pointer}.channel-view{display:flex;flex-direction:column;height:100%}.channel-view-body{display:flex;flex:1;min-height:0}.channel-view-main{flex:1;min-width:0;display:flex;flex-direction:column}.channel-members-panel{width:240px;border-left:1px solid var(--border-color, #e0e0e0);overflow-y:auto;padding:12px;flex-shrink:0}.icon-btn-active{background:var(--bg-sidebar-active, #e3e5e8);border-radius:4px}.channel-header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;padding-top:env(safe-area-inset-top,0px);height:calc(var(--header-height) + env(safe-area-inset-top,0px));border-bottom:1px solid var(--border-color);background:var(--bg-primary);flex-shrink:0}.channel-header-info{display:flex;align-items:center;gap:12px;min-width:0}.channel-title{font-size:16px;font-weight:700;white-space:nowrap}.channel-topic{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conn-banner{display:flex;align-items:center;gap:8px;padding:6px 20px;font-size:13px;font-weight:500;flex-shrink:0}.conn-connecting,.conn-reconnecting{background:var(--bg-banner-warn);color:var(--warning)}.conn-disconnected{background:var(--bg-banner-error);color:var(--danger)}.conn-dot{width:8px;height:8px;border-radius:50%;animation:pulse 1.5s infinite}.conn-connecting .conn-dot,.conn-reconnecting .conn-dot{background:var(--warning)}.conn-disconnected .conn-dot{background:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.message-list{flex:1;overflow-y:auto;padding:8px 0;scroll-behavior:auto}.message-list::-webkit-scrollbar{width:6px}.message-list::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.load-more{text-align:center;padding:12px}.loading-spinner{color:var(--text-secondary);font-size:13px}.no-more-messages{text-align:center;padding:12px;color:var(--text-secondary);font-size:13px}.new-message-btn{position:sticky;bottom:12px;left:50%;transform:translate(-50%);display:block;margin:0 auto;padding:8px 20px;background:var(--accent);color:#fff;border:none;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;box-shadow:var(--shadow-md);animation:slideUp .2s ease-out;z-index:10;transition:background .15s}@media(hover:hover){.new-message-btn:hover{background:var(--accent-hover)}}.empty-channel{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:8px;color:var(--text-secondary)}.empty-channel p:first-child{font-size:24px}.empty-hint{font-size:14px}.message-skeleton{padding:16px 20px;display:flex;flex-direction:column;gap:16px}.skeleton-item{display:flex;gap:12px}.skeleton-avatar{width:36px;height:36px;border-radius:50%;background:var(--bg-skeleton);animation:shimmer 1.5s infinite}.skeleton-body{flex:1;display:flex;flex-direction:column;gap:6px}.skeleton-line{height:14px;border-radius:4px;background:var(--bg-skeleton);animation:shimmer 1.5s infinite}.skeleton-short{width:120px}.skeleton-long{width:280px}@keyframes shimmer{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.message-task-assignment{padding:6px 20px 10px}.message-task-assignment-rule{border-top:1px solid var(--border-subtle, #e4e4e7);margin-top:8px}.message-task-assignment-body{color:var(--text-secondary, #6b7280);font-size:13px;line-height:1.6}.message-task-assignment-body p{margin:0 0 4px}.message-task-assignment-body p:first-child{color:var(--text-primary, #18181b);font-weight:600}.message-task-assignment-body p:last-child{margin-bottom:0}.message-heartbeat{display:flex;align-items:center;justify-content:center;gap:6px;padding:4px 20px;color:var(--text-tertiary, #9ca3af);font-size:12px}.message-heartbeat-time{color:var(--text-tertiary, #9ca3af);font-size:11px}.heartbeat-collapsed{display:flex;align-items:center;justify-content:center;gap:6px;padding:4px 20px;color:var(--text-tertiary, #9ca3af);font-size:12px;cursor:pointer}.heartbeat-collapsed:hover{color:var(--text-secondary, #6b7280)}.heartbeat-collapsed-header{display:flex;align-items:center;justify-content:center;gap:6px;padding:4px 20px;color:var(--text-tertiary, 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solid var(--border-color);border-radius:4px;padding:2px;box-shadow:var(--shadow-sm)}@media(hover:hover){.message-item:hover .message-actions{display:flex}}.message-actions-trigger{display:none;position:absolute;top:0;right:6px;align-items:center;justify-content:center;width:44px;height:44px;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);font-size:18px;line-height:1;cursor:pointer;-webkit-tap-highlight-color:transparent}@media(hover:none){.message-actions-trigger{display:flex}.message-body{padding-right:44px}}.message-action-btn{background:none;border:none;cursor:pointer;padding:2px 6px;border-radius:3px;font-size:14px;line-height:1}.message-action-btn.message-action-react{font-size:11px;min-width:24px;min-height:24px;padding:6px;display:inline-flex;align-items:center;justify-content:center}@media(hover:hover){.message-action-btn:hover{background:var(--bg-secondary)}}.message-edited{color:var(--text-secondary);font-size:11px;margin-left:4px;cursor:default}.message-deleted{color:var(--text-secondary);font-style:italic;font-size:13px}.message-edit-container{margin-top:4px}.message-edit-textarea{width:100%;padding:8px;border:1px solid var(--border-input);border-radius:6px;font-family:var(--font-family);font-size:14px;resize:vertical;background:var(--bg-input);color:var(--text-primary);box-sizing:border-box}.message-edit-textarea:focus{outline:none;border-color:var(--accent)}.tiptap-edit-wrapper .tiptap{min-height:60px;max-height:200px;font-size:14px}.message-edit-hint{font-size:11px;color:var(--text-secondary);margin-top:2px}.message-edit-error{font-size:12px;color:var(--danger, #e74c3c);margin-top:4px}.message-delete-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.message-delete-dialog{background:var(--bg-primary);border-radius:8px;padding:20px 24px;box-shadow:var(--shadow-md);min-width:280px}.message-delete-dialog p{margin:0 0 16px;font-size:15px;color:var(--text-primary)}.message-delete-dialog-actions{display:flex;justify-content:flex-end;gap:8px}.btn-cancel{padding:6px 16px;border:1px solid var(--border-color);border-radius:4px;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;font-size:13px}@media(hover:hover){.btn-cancel:hover{background:var(--bg-secondary)}}.btn-danger{padding:6px 16px;border:none;border-radius:4px;background:var(--danger);color:#fff;cursor:pointer;font-size:13px}.message-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0;margin-top:2px}.message-body{flex:1;min-width:0}.message-header{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.message-sender{font-size:14px;font-weight:600;color:var(--text-primary)}.message-time{font-size:11px;color:var(--text-secondary)}.message-content{font-size:15px;line-height:1.5;word-break:break-word}.message-text p{margin-bottom:2px}.message-text p:last-child{margin-bottom:0}.message-text code{background:var(--bg-secondary);color:var(--text-code);padding:1px 5px;border-radius:3px;font-family:var(--font-mono);font-size:.9em}.message-text pre{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;padding:10px;margin:4px 0;overflow-x:auto}.message-text pre code{background:none;color:var(--text-primary);padding:0}.message-text pre .code-lang{display:block;font-size:11px;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.message-text blockquote{border-left:3px solid var(--accent);padding-left:12px;margin:6px 0;color:var(--text-secondary)}.message-text a{color:var(--text-link);text-decoration:none}@media(hover:hover){.message-text a:hover{text-decoration:underline}}.message-text ul,.message-text ol{padding-left:20px;margin:4px 0}.message-text table{border-collapse:collapse;margin:6px 0}.message-text th,.message-text td{border:1px solid var(--border-color);padding:6px 12px;text-align:left}.message-text th{background:var(--bg-secondary);font-weight:600}.message-text .mention{background:var(--bg-mention);color:var(--text-mention);padding:0 4px;border-radius:3px;font-weight:500;cursor:default}.message-image{max-width:400px;max-height:300px;border-radius:8px;margin-top:4px;cursor:pointer;transition:opacity .15s}@media(hover:hover){.message-image:hover{opacity:.9}}.attachment-grid{display:grid;gap:4px;margin-top:6px;max-width:400px;border-radius:8px;overflow:hidden}.attachment-grid-1{grid-template-columns:1fr}.attachment-grid-2{grid-template-columns:1fr 1fr}.attachment-grid-multi{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}.attachment-grid-item{cursor:pointer;overflow:hidden;min-height:0;border:0;padding:0;background:transparent}.attachment-grid-item:focus-visible{outline:2px solid var(--accent-color, #1677ff);outline-offset:2px}.attachment-grid-img{width:100%;height:100%;max-height:300px;object-fit:cover;display:block;transition:opacity .15s}.attachment-grid-1 .attachment-grid-img{max-height:300px;object-fit:contain;border-radius:8px}@media(hover:hover){.attachment-grid-item:hover .attachment-grid-img{opacity:.85}}.attachment-files{display:flex;flex-direction:column;gap:4px;margin-top:6px}.attachment-file-card{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-secondary);border:1px solid 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var(--text-secondary);border-radius:3px;font:inherit;font-size:11px;line-height:16px;cursor:pointer}.activity-stop-btn[aria-disabled=true]{cursor:default}.activity-panel{position:absolute;bottom:100%;left:0;right:0;z-index:5;max-height:50vh;overflow-y:auto;overscroll-behavior:contain;padding:8px 20px;background:var(--bg-secondary);border-top:1px solid var(--border-color);box-shadow:var(--shadow-md)}.activity-panel:focus{outline:none}.activity-panel-header{display:flex;align-items:center;margin-bottom:6px}.activity-panel-title{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-secondary)}.activity-panel-close{margin-left:auto;padding:0 4px;background:transparent;border:none;color:var(--text-secondary);font-size:12px;line-height:1;cursor:pointer}.activity-panel-close:hover{color:var(--text-primary)}.activity-agent+.activity-agent{margin-top:10px;padding-top:10px;border-top:1px solid var(--border-color)}.background-runs{display:grid;gap:8px;margin-bottom:10px}.background-run{display:flex;align-items:center;gap:8px;padding:8px;border:1px solid var(--border-color);border-radius:6px}.background-run-copy{display:grid;min-width:0;flex:1}.background-run-label{overflow:hidden;color:var(--text-primary);font-size:13px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.background-run-meta,.background-run-reason{color:var(--text-secondary);font-size:11px}.background-run-dismiss{padding:0 4px;border:0;background:transparent;color:var(--text-secondary);cursor:pointer;font-size:11px}.activity-agent-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.activity-agent-name{font-size:13px;font-weight:600;color:var(--text-primary)}.activity-agent-line{font-size:11px;color:var(--text-secondary)}.activity-agent-line[data-line=waiting]{color:var(--warning);font-weight:600}.activity-agent-header .activity-stop-btn{margin-left:auto}.activity-section{margin-bottom:6px}.activity-plan-summary{display:flex;align-items:center;gap:8px;width:100%;padding:2px 0;background:transparent;border:none;color:var(--text-secondary);font:inherit;font-size:12px;text-align:left;cursor:pointer}.activity-plan-current{color:var(--text-primary)}.activity-plan-toggle{margin-left:auto;font-size:10px}.activity-plan-list{margin:2px 0 0;padding-left:18px;font-size:12px;color:var(--text-secondary)}.activity-plan-item[data-status=in_progress]{color:var(--text-primary)}.activity-plan-item[data-status=completed]{text-decoration:line-through;opacity:.6}.activity-list{margin:0;padding:0;list-style:none}.activity-list-nested{padding-left:18px;border-left:1px solid var(--border-color);margin-left:6px}.activity-item{display:flex;align-items:flex-start;gap:8px;padding:2px 0;font-size:12px;color:var(--text-secondary)}.activity-item-icon{flex-shrink:0;line-height:1.6}.activity-item-body{display:flex;flex-direction:column;min-width:0}.activity-item-line{display:flex;align-items:baseline;gap:6px;min-width:0}.activity-item-title{color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.activity-item-badge{flex-shrink:0;padding:0 4px;border:1px solid var(--border-color);border-radius:3px;font-size:10px}.activity-item-status{flex-shrink:0;font-size:11px}.activity-item-detail,.activity-item-reason{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.activity-item-detail{font-family:var(--font-mono)}.activity-item[data-status=in_progress] .activity-item-icon{color:var(--accent);animation:activity-pulse 1.6s ease-in-out infinite}.activity-item[data-status=completed] .activity-item-icon{color:var(--success)}.activity-item[data-status=waiting] .activity-item-icon,.activity-item[data-status=waiting] .activity-item-status{color:var(--warning);font-weight:600}.activity-item[data-status=failed] .activity-item-icon,.activity-item[data-status=failed] .activity-item-status,.activity-item[data-status=failed] .activity-item-reason{color:var(--danger)}@keyframes activity-pulse{0%,to{opacity:.45}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.activity-dot,.activity-item[data-status=in_progress] .activity-item-icon{animation:none}}.activity-output{display:flex;flex-direction:column-reverse;box-sizing:content-box;height:4.35em;overflow:hidden;margin-top:6px;padding-top:4px;border-top:1px solid var(--border-color);font-size:12px;line-height:1.45;color:var(--text-secondary);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 1.45em);mask-image:linear-gradient(to bottom,transparent,#000 1.45em)}.activity-output-text{font-family:var(--font-mono);white-space:pre-wrap;word-break:break-word}.overview-panel-loading{align-items:center;color:var(--text-secondary, #71717a);display:flex;flex:1;justify-content:center;min-width:0}