body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    flex-direction: column;
}

.chat-container, .signup-container {
    width: 400px;
    max-width: 100%;
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    background-color: #fff;
    display: flex;
    flex-direction: column;
    height: 90vh;
}

.intro-container{
    text-align: center;
}

.intro-container img{
    width: 350px;
    max-width: 100%;
}

.kakao-ad {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    min-width: 350px;
}
.chat-header {
    background-color: #007BFF;
    color: white;
    padding: 15px;
    text-align: center;
    font-size: 18px;
}

.chat-header button {
    margin: 5px;
    padding: 5px 10px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

.chat-window {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    border-bottom: 1px solid #ccc;
    display: flex;
    flex-direction: column;
}

.chat-input {
    display: flex;
    padding: 15px;
    border-top: 1px solid #ccc;
    background-color: #fff;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-right: 10px;
}

.chat-input button {
    padding: 10px 15px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    background-color: #007BFF;
    color: white;
    cursor: pointer;
}

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

.chat-message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 10px;
    max-width: 80%;
    word-wrap: break-word;
    display: inline-block;
    position: relative;
}

.chat-message.user {
    background-color: #DCF8C6;
    align-self: flex-end;
}

.chat-message.bot {
    background-color: #F1F0F0;
    align-self: flex-start;
}

.chat-message a {
    color: #007BFF;
    text-decoration: none;
}

.chat-message a:hover {
    text-decoration: underline;
}

.chat-message.typing::after {
    content: '|';
    position: absolute;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    from, to { opacity: 1 }
    50% { opacity: 0 }
}


.login-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

.login-button img {
    margin-right: 10px;
    width: 20px;
    height: 20px;
}

.naver {
    background-color: #03C75A;
    color: white;
}

.kakao {
    background-color: #FEE500;
    color: black;
}

.google {
    background-color: #4285F4;
    color: white;
}