.chat-input-scrollbar{scrollbar-width:thin;scrollbar-color:#9ca3af transparent}.chat-input-scrollbar::-webkit-scrollbar{width:6px}.chat-input-scrollbar::-webkit-scrollbar-track{background:transparent}.chat-input-scrollbar::-webkit-scrollbar-thumb{background-color:#9ca3af;border-radius:6px}.chat-input-scrollbar::-webkit-scrollbar-thumb:hover{background-color:#6b7280}