*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}html,body{height:100%;width:100%}::-webkit-scrollbar{width:0;height:0;display:none}*{scrollbar-width:none}*{-ms-overflow-style:none}button,input{font-family:inherit}button,.menu-item,.chat-item{user-select:none;-webkit-user-select:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease}.slide-in{animation:slideIn .3s ease}