body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-container {
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
    width: 90%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    height: 80%;
}

.chat-header {
    background-color: #4CAF50;
    color: white;
    text-align: center;
}

.chat-box {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.chat-bubble {
    padding: 10px 15px;
    margin: 5px 0;
    border-radius: 20px;
    max-width: 80%;
    word-wrap: break-word;
}

.user-bubble {
    background-color: #e2f7fd;
    align-self: flex-end;
}

.bot-bubble {
    background-color: #f1f1f1;
    align-self: flex-start;
}

.chat-input-container {
    display: flex;
    padding: 10px;
    background-color: #f1f1f1;
    border-top: 1px solid #ddd;
}

.chat-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 20px;
    margin-right: 10px;
}

.send-button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
}

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

.button-text {
    display: inline-block;
}

#loadingSpinner {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2em;
}