body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4; /* Neutral background color */
    color: #333; /* Dark text for readability */
    margin: 0;
    padding: 20px;
}

#chatBox {
    width: 100%;
    max-width: 600px;
    height: 800px; /* Set the height to 50% of the viewport height */
    margin: auto;
    background: #fff; /* White background for the chat box */
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.message {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    color: #333;
    border: 1px solid #ddd; /* Subtle borders for messages */
}

.customer {
    background-color: #e9efff; /* Light blue for customer messages */
    text-align: left;
}

.agent {
    background-color: #e2e2e2; /* Light grey for agent messages */
    text-align: right;
}

.chat-messages {
    max-height: 700px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.chat-input input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}