body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    background-image: url('소안.png');
    background-size: 80%;
    background-position: center;
    background-repeat: no-repeat;
}

.chat-wrapper {
    width: 80%;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid #ccc;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.1);
}

.chat-container {
    padding: 20px;
    display: flex;
    flex-direction: column;
    height: 80%;
    overflow-y: auto;
}

.input-container {
    display: flex;
    border-top: 1px solid #ccc;
    margin-top: auto;
}

.chat-messages {
    flex: 1;
}

.message {
    padding: 5px;
    margin-bottom: 5px;
}

.user {
    text-align: right;
    font-weight: bold;
}

.assistant {
    text-align: left;
    font-weight: bold;
}

input {
    flex: 1;
    border: none;
    outline: none;
    padding: 15px;
}

button {
    background-color: #1890ff;
    color: #fff;
    padding: 10px 15px;
    border: none;
    outline: none;
    cursor: pointer;
}

button:hover {
    background-color: #40a9ff;
}

.kakao_ad{
    display: flex;
    justify-self: center;
    align-items: center;
    margin-top: 20px;
    min-width: 350px; 
    min-height: 200px; 
}