.btn-send-bot {
  --btn-gradient: #1c53a1, #6c7fba;
  --btn-shadow: #1f4071;
  background-image: linear-gradient(-45deg, var(--btn-gradient));
  transition: transform .15s ease, box-shadow .15s ease;
}

.btn-ssr-ai {
  height: 52px;
    --btn-gradient: #1c53a1, #6c7fba;
    --btn-shadow: #1f4071;
    background-image: linear-gradient(-45deg, var(--btn-gradient));
    box-shadow: 0 3px 0 0 var(--btn-shadow), 0 4px 4px -1px rgba(0, 0, 0, 0.6), 0 4px 6px 1px rgba(0, 0, 0, 0.3), 0 1px 2px 1px rgba(0, 0, 0, 0) inset, 0 18px 32px -2px rgba(255, 255, 255, 0.1) inset;
    transition: transform .15s ease, box-shadow .15s ease;
}