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

#chat-container {
    width: 90%;
    max-width: 600px;
    height: 80vh;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#chat-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 80%;
    line-height: 1.5;
}

.user-message {
    background-color: #007bff;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.bot-message {
    background-color: #e9e9eb;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

#chat-form {
    display: flex;
    padding: 15px;
    border-top: 1px solid #ddd;
    background-color: #f9f9f9;
}

#message-input {
    flex-grow: 1;
    border: 1px solid #ccc;
    border-radius: 20px;
    padding: 10px 15px;
    font-size: 16px;
    margin-right: 10px;
}

#message-input:focus {
    outline: none;
    border-color: #007bff;
}

#chat-form button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s;
}

#chat-form button:hover {
    background-color: #0056b3;
}