body {
    background: #f4f6f9;
    font-family: Arial, sans-serif;
}

.chat-container {
    width: 450px;
    margin: 40px auto;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.chat-box {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 8px;
    background: #fafafa;
}

.message {
    margin: 10px 0;
}

.user {
    text-align: right;
    color: #007bff;
}

.bot {
    text-align: left;
    color: #28a745;
}

.input-area {
    display: flex;
    margin-top: 15px;
}

input {
    flex: 1;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 15px;
    margin-left: 10px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}