.hidden {
    display: none;
}
.chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    height: 500px;
    display: flex;
    flex-direction: column;
    background: #f0f0f0;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* display: none; */
    overflow: hidden;
    z-index: 1000;
}
.chat-header {
    background: #075e54;
    color: #fff;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.close-button {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}
.chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    background: #ece5dd;
}
.message {
    margin: 10px 0;
    padding: 10px 15px;
    border-radius: 10px;
    max-width: 70%;
    clear: both;
    position: relative;
}
.message.user {
    background: #dcf8c6;
    margin-left: auto;
}
.message.ai {
    background: #fff;
    margin-right: auto;
}
.chat-footer {
    display: flex;
    background: #fff;
    padding: 10px;
    border-top: 1px solid #ddd;
}
#chat-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    margin-right: 10px;
}
#send-button {
    background: #075e54;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
#open-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #1a6edd;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}


.main {
    color: blue;
}
.btn_class {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 8px;
}

.btn_class:hover {
    background-color: #45a049;
}