body {
    background-color: #f8f9fa;
}

.chat-container {
    margin-top: 50px;
    max-width: 800px;
}

.chat-header {
    background: linear-gradient(to right, #007bff, #0056b3);
    color: white;
    padding: 15px;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.chat-body {
    height: 400px;
    overflow-y: auto;
    padding: 15px;
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
}

.chat-footer {
    padding: 15px;
    background-color: #ffffff;
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

.message {
    margin-bottom: 15px;
}

.message .bubble {
    padding: 10px 15px;
    border-radius: 1.1rem;
    max-width: 75%;
}

.message.user .bubble {
    background-color: #007bff;
    color: white;
    margin-left: auto;
}

.message.bot .bubble {
    background-color: #e9ecef;
    color: #333;
}