.btn-to-top{transition:transform .8s ease,opacity .3s ease}.admin{background:#d6d2d2;max-width:260px;align-self:flex-start}.admin,.user{padding:8px;border-radius:8px}.user{background:#166fff;width:-moz-fit-content;width:fit-content;color:#fff;text-align:right;align-self:flex-end}.chat-box{justify-content:space-between;height:440px;background:#f1f1f1}.chat-box,.chat-box .box{display:flex;flex-direction:column}.chat-box .box{border:none!important}.chat-box .overflow-y-auto{scrollbar-width:none}.chat-box .overflow-y-auto::-webkit-scrollbar{display:none}.loading-dot{width:20px;height:20px;border-radius:50%;background-color:#007bff;animation:pulse 1s infinite;margin:10px auto}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.5)}to{transform:scale(1)}}