body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.chat-container {
    width: 500px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

#chat-box {
    height: 400px;
    overflow-y: scroll;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 20px;
}

.message {
    margin: 10px 0;
    padding: 10px;
    border-radius: 5px;
}

.user-message {
    background-color: #e1f5fe;
    text-align: right;
}

.bot-message {
    background-color: #f0f0f0;
    text-align: left;
}

.bot-error {
    background-color: #ffebee;
    text-align: left;
    color: #d32f2f;
}

.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.quick-replies button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.quick-replies button:hover {
    background-color: #0056b3;
}