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

.chat-container {
    width: 350px;
    max-width: 90%;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background-color: #4CAF50;
    color: white;
    padding: 10px;
    text-align: center;
    font-size: 18px;
}

.chat-body {
    padding: 15px;
    overflow-y: auto;
    flex-grow: 1;
}

.chat-message {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
}

.chat-message.user {
    background-color: #e0f7fa;
    align-self: flex-end;
}

.chat-message.bot {
    background-color: #f1f1f1;
    align-self: flex-start;
}

.chat-footer {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ddd;
}

.chat-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
}

.chat-send-button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    margin-left: 10px;
    cursor: pointer;
}

.chat-send-button:hover {
    background-color: #45a049;
}

.intro-container{
    display: flex;  /*다른 요소가 추가되더라도 비율을 유지하면서 정렬됨*/
    flex-direction: column; /*정렬방향: 수직*/
    justify-content: center; /*가로선에서 정렬방식: 가운데*/
    align-items: center; /*세로선에서의 정렬방식: 가운데*/
}

.intro-container img{
    width: 50%; /*반응형형으로 동작할 수 있도록 "가로크기: 50%"*/
    min-width: 300px; /*최소크기: 300px 유지*/
}

#loader{
    font-size: 25px;
    text-align: center;
}