style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');
* {
 margin: 0;
 padding: 0;
 box-sizing: border-box;
 font-family: "Poppins", sans-serif;
}

body {
    background: #e3f2fd;
}

.chatbot-toggler {
  position: fixed;
  right: 40px;
  bottom: 35px;
  height: 50px;
  width: 50px;
  background: #288053;
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
  border-radius: 50%;
  cursor: pointer;
}

.chatbot-toggler span {
    position: absolute;
}

.hide-icon {
    display: none; /* Hides the icon */
}

.chatbot {
  width: 420px;
  position: fixed;
  right: 40px;
  bottom: 100px;
  overflow: hidden;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 0 128px 0 rgba(0, 0, 0, 0.1),
              0 32px 64px -48px rgba(0, 0, 0, 0.5);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.show-chatbot {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chatbot header {
  background: #288053;
  padding: 16px 20px;
  text-align: center;
  position: relative; /* Ensures close button can be positioned */
}

.chatbot header h2 {
    color: #fff;
    font-size: 1.4rem;
}

.chatbot header .close-chatbot {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    cursor: pointer;
    font-size: 24px;
}

.chatbot .chatbox {
    height: 510px;
    overflow-y: auto;
    padding: 30px 20px 70px;
}

.chatbox .incoming span {
    align-self: flex-end;
    height: 32px;
    width: 32px;
    color: white;
    background: #288053;
    text-align: center;
    line-height: 32px;
    border-radius: 4px;
    margin: 0 10px 7px 0;
}

.chatbox .outgoing {
    margin: 20px 0;
    justify-content: flex-end;
}

.chatbox .chat {
    display: flex;
}

.chatbox .chat p {
    max-width: 75%;
    background: #288053;
    padding: 12px 16px;
    border-radius: 10px 10px 10px 0;
    font-size: 0.95rem;
}

.chatbox .incoming p {
    color: black;
    background: #f2f2f2;
    border-radius: 10px 10px 10px 0;
}

.chatbot .chat-input {
    position: absolute;
    bottom: 0;
    width: 100%;
    border-top: 1px solid #ccc;
    background: #fff;
    padding: 5px 20px;
    gap: 5px;
}

.chat-input textarea {
    height: 55px;
    border: none;
    outline: none;
    font-size: 0.95rem;
    resize: none;
    padding: 16px 15px 16px 0;
}

.chat-input span {
   color: #288053;
   font-size: 1.35rem;
   cursor: pointer;
   visibility: hidden;
   align-self: flex-end;
   height: 55px;
   line-height: 55px;
}

.chat-input textarea:valid ~ span {
    visibility: visible;
}

/* Responsive Styling */
@media screen and (max-width: 768px) {
    .chatbot {
        width: 100%;
        right: 0;
        bottom: 0;
        border-radius: 0;
    }
}

@media screen and (max-width: 480px) {
    .chatbot {
        width: 100%;
        right: 0;
        bottom: 0;
        border-radius: 0;
    }
}

/* new to the block */
.chatbot .chat-input {
    position: absolute;
    bottom: 0;
    width: 100%;
    border-top: 1px solid #ccc;
    background: #fff;
    display: flex; /* To align the textarea and icon side by side */
    align-items: center;
    padding: 10px 15px;
    gap: 10px;
}

.chat-input textarea {
    width: 100%; /* Ensure the textarea takes the full width */
    height: 55px;
    border: none;
    outline: none;
    font-size: 0.95rem;
    resize: none;
    padding: 15px;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.chat-input span {
    color: #288053;
    font-size: 1.35rem;
    cursor: pointer;
    visibility: hidden; /* Initially hidden */
    align-self: center;
}

.chat-input textarea:valid ~ span {
    visibility: visible; /* Show the send icon when typing */
}

.chat-input textarea:focus ~ span {
    visibility: visible; /* Show the send icon when typing */
}