body {
    background-color: #F8F9FA;
    font-family: 'Inter', sans-serif;
}

.navbar-brand {
    font-weight: bold;
}

.card {
    border: none;
}

.btn-primary {
    background-image: linear-gradient(to right, #007BFF, #0056b3);
    border: none;
}

.chat-message {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

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

.user-message .message-bubble {
    background-color: #007BFF;
    color: white;
    align-self: flex-end;
}

.bot-message .message-bubble {
    background-color: #E9ECEF;
    color: #333;
    align-self: flex-start;
}

.message-time {
    font-size: 0.75rem;
    color: #6C757D;
    align-self: flex-end;
    margin-top: 2px;
}

.user-message .message-time {
    align-self: flex-end;
}

.bot-message .message-time {
    align-self: flex-start;
}