.chat-editor{font-size:14px;line-height:1.5;color:#374151}.chat-editor p{margin:0;padding:2px 0}.chat-editor p:first-child{margin-top:0}.chat-editor p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:#9ca3af;pointer-events:none;height:0}.chat-editor strong{font-weight:600;color:#1f2937}.chat-editor em{font-style:italic}.chat-editor .chat-link{color:#3b82f6;text-decoration:underline;cursor:pointer}.chat-editor .chat-link:hover{color:#2563eb}.chat-editor ul,.chat-editor ol{padding-left:24px;margin:8px 0}.chat-editor ul{list-style-type:disc}.chat-editor ol{list-style-type:decimal}.chat-editor li{margin:2px 0}.chat-editor li p{margin:0}.chat-editor .mention-user,.message-content .mention-user{background:#dbeafe;color:#1e40af;padding:2px 4px;border-radius:3px;font-weight:600;cursor:pointer}.chat-editor .mention-user:hover,.message-content .mention-user:hover{background:#bfdbfe}.chat-editor .mention-channel,.message-content .mention-channel{background:#dbeafe;color:#1e40af;padding:2px 4px;border-radius:3px;font-weight:600;cursor:pointer}.chat-editor .mention-channel:hover,.message-content .mention-channel:hover{background:#bfdbfe}.chat-editor .mention-task,.message-content .mention-task{background:#fef3c7;color:#92400e;padding:2px 4px;border-radius:3px;font-weight:600;cursor:pointer}.chat-editor .mention-task:hover,.message-content .mention-task:hover{background:#fde68a}.mention-dropdown{background:#fff;border:1px solid #E5E7EB;border-radius:6px;box-shadow:0 4px 12px #00000026;max-height:200px;overflow-y:auto;padding:4px;z-index:1000}.mention-dropdown-item{padding:8px 12px;border-radius:4px;cursor:pointer;font-size:14px;color:#374151}.mention-dropdown-item:hover{background:#f3f4f6}.mention-dropdown-item.selected{background:#eff6ff;color:#1e40af}.message-content{font-size:14px;line-height:1.5;color:#374151;word-break:break-word}.message-content p{margin:0;padding:2px 0}.message-content strong{font-weight:600;color:#1f2937}.message-content em{font-style:italic}.message-content a{color:#3b82f6;text-decoration:underline}.message-content a:hover{color:#2563eb}.message-content ul,.message-content ol{padding-left:24px;margin:8px 0}.message-content li{margin:2px 0}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f9fafb}#root{min-height:100vh}