body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

.chat-container {
    width: 100%;
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chat-header {
    background: #007bff;
    color: white;
    padding: 15px;
    text-align: center;
    font-size: 18px;
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 15px;
    background: #f1f1f1;
}

.message {
    margin: 10px 0;
}

.message.bot {
    text-align: left;
}

.message.user {
    text-align: right;
}

.chat-input {
    display: flex;
    border-top: 1px solid #ddd;
}

.chat-input textarea {
    flex: 1;
    padding: 10px;
    border: none;
    resize: none;
    font-size: 16px;
}

.chat-input button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 16px;
}

.chat-input button:hover {
    background: #0056b3;
}