@media (max-width: 768px) {
  body {
    padding: 15vh 0 80px;
  }

  body.chat-active {
    padding: 10px 0 80px;
  }

  .input-area {
    bottom: 10px;
    width: calc(100% - 20px);
  }

  body:not(.chat-active) .input-area {
    bottom: 40vh;
  }
}