@font-face {
    font-family: 'D2Coding';
    src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/noonfonts_three@1.0/D2Coding.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: 'D2Coding', sans-serif;
    background-color: #1a1a1a;
    color: #e0e0e0;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background-color: #121212;
    padding: 1em 0;
    text-align: center;
}

header h1 {
    font-size: 1.3em;
    margin-top: 20px;
    border-bottom: 2px solid #cf6679;
    padding-bottom: 10px;
    color: gray;
    text-align: center;
}
header h1 a {
    text-decoration: none;
    color: #bbb;
    font-weight: bold;
    transition: color 0.3s;
}

header h1 a:hover {
    color: #ff8b94;
}

nav {
    background-color: #222;
    padding: 0.5em 0;
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
    margin: 0 1em;
}

nav ul li a {
    text-decoration: none;
    color: #bbb;
    font-weight: bold;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ff8b94;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}


main {
    padding: 2em 0;
}

main h2 {
    font-size: 2em;
    border-bottom: 2px solid #333;
    padding-bottom: 0.5em;
    margin-bottom: 1em;
    color: #fff;
}

main h3 {
    font-size: 1.5em;
    border-bottom: 2px solid #333;
    padding-bottom: 0.5em;
    margin-bottom: 1em;
    color: #fff;
}

main p {
    margin: 1.5em 0;
}

main a {
    color: #cf6679;
    text-decoration: none;
    transition: color 0.3s;
}

main a:hover {
    color: #ff8b94;
}

code {
	font-family: 'D2Coding', sans-serif;
    display: block;
    background-color: #222;
    padding: 1em;
    border-left: 5px solid gray;
    margin: 1em 0;
    color: #fff;
}

footer {
    background-color: #121212;
    padding: 1em 0;
    text-align: center;
	font-size: 14px;
}

footer p {
    font-size: 14px
    color: gray;
    text-decoration: none;
    transition: color 0.3s;
}

footer p:hover {
    color: #ff8b94;
}
		
footer a {
    color: #cf6679;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #ff8b94;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #333;
    color: #fff;
}

th:first-child {
    border-top-left-radius: 5px;
}

th:last-child {
    border-top-right-radius: 5px;
}

tr:last-child td {
    border-bottom: none;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 20px;
}

.grid-item {
    background-color: #222;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.grid-item h3 {
    margin-top: 0;
    color: #111
}

.grid-item a {
    color: #cf6679;
    text-decoration: none;
    transition: color 0.3s;
}

.grid-item a:hover {
    color: #ff8b94;
}

.grid-item p {
    color: gray;
    margin-bottom: 0;
}

@media only screen and (max-width: 600px) {
    .grid-container {
grid-template-columns: repeat(2, 1fr);
    }
}

@media only screen and (max-width: 400px) {
    .grid-container {
grid-template-columns: repeat(1, 1fr);
    }
}

.team-member {
    background: #222;
    margin: 20px 0;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

.profile-img {
    border-radius: 50%;
    width: 100px;
    height: 100px;
    margin-right: 20px;
}

.member-info {
    flex: 1;
}

.member-info h2 {
    margin: 0;
    font-size: 1.5em;
    color: gray;
}

.member-info p {
    margin: 10px 0;
    color: #666;
}

.member-info a {
    color: #cf6679;
    font-weight: bold;
    text-decoration: none;
}

.conference-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.conference-list li {
    display: inline;
    margin-right: 5px;
}

.conference-list a {
    text-decoration: none;
    color: #333;
    padding: 5px 5px;
    border-radius: 2px;
    background-color: #fff;
    border: 1px solid #ccc;
}

.conference-list a:hover {
    background-color: #f0f0f0;
}

.menu {
    display: flex;
    margin-bottom: 20px;
}

.menu a {
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
    border-radius: 5px;
    background-color: #fff;
    border: 1px solid #ccc;
}

.menu a:hover {
    background-color: #f0f0f0;
}

.company {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.company:last-child {
    margin-bottom: 0;
}

.company img {
    width: 100px;
    height: auto;
    margin-right: 20px;
    border-radius: 5px;
}

.company-info {
    flex-direction: column;
}

.company-info h2 {
    margin: 0;
    font-size: 1.2em;
    color: #333;
}

.company-info p {
    margin: 5px 0;
    color: #666;
}

.company-info a {
    text-decoration: none;
    color: #cf6679;
    font-weight: bold;
    margin-top: 10px;
}

.company-info a:hover {
    text-decoration: underline;
}

.presenter {
    display: flex;
    flex-direction: column;
    text-align: center;
    margin-bottom: 20px;
}

.presenter-details {
    width: 100%;
}

.presenter-details h3 {
    color: #fff;
    margin-bottom: 10px;
}

.presenter-details h4 {
    color: gray;
    margin-top: 0;
}

.presenter-details a {
    text-decoration: none;
    color: #bbb;
    display: inline-block;
}

.presenter-details a:hover {
	color: #ff8b94;
}

.content {
    margin-top: 20px;
    text-align: left;
}

/* Media queries for responsive design */
@media (min-width: 600px) {
.presenter {
flex-direction: row;
text-align: left;
align-items: flex-start;
}

.presenter-details {
width: 100%;
    }
}

.poster {
    text-align: center;
    margin-bottom: 20px;
}

.poster img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.register-button {
    text-align: center;
    margin-top: 20px;
}

.register-button a {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    color: #333333;
    background-color: #ffffff;
    text-decoration: none;
    border-radius: 5px;
    border: 1px solid #333333;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.register-button a:hover {
    background-color: #cf6679;
    color: #ffffff;
}

.register-button {
text-align: center;
}


        .tabs {
            display: flex;
            justify-content: center;
            margin-top: 20px;
        }
        .tab {
            padding: 10px 20px;
            background-color: #f0f0f0;
            border: 1px solid #ccc;
            cursor: pointer;
        }
        .tab.active {
            background-color: #ccc;
        }
        .tab-content {
            display: none;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .tab-content.active {
            display: flex;
        }
        .quiz-card {
            width: 300px;
            padding: 20px;
            margin: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
        }
        .quiz-card h3 {
            margin-top: 0;
        }


.repo { margin-bottom: 20px; }
.repo h2 { margin: 0; }
.repo p { margin: 5px 0; }




		label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        input[type="text"] {
            width: calc(100% - 20px);
            padding: 10px;
            font-size: 16px;
            border: 1px solid #ccc;
            border-radius: 4px;
            box-sizing: border-box;
        }
        button {
            padding: 10px 20px;
            font-size: 16px;
            color: #fff;
            background-color: #d9534f;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            margin-top: 10px;
        }
        button:hover {
            background-color: #c9302c;
        }
		
        .hidden {
            display: none;
        }
		
		
		
    .table-container {
        width: 100%;
        overflow-x: auto; /* 테이블이 짤리지 않고 가로로 스크롤 */
    }

    table {
        width: 100%;
        border-collapse: collapse; /* 테이블 테두리 겹침 제거 */
    }

    th, td {
        padding: 8px;
        text-align: left;
        border: 1px solid #ddd; /* 테두리 스타일 추가 */
    }

    th {
        background-color: #f2f2f2; /* 헤더 배경색 추가 */
		color: black; /* 글씨 색상을 검정으로 설정 */
    }

    /* 두 번째 컬럼의 내용이 길면 줄바꿈 처리 */
    td:nth-child(2) {
        word-wrap: break-word; /* 긴 단어가 있을 경우 줄바꿈 */
        word-break: break-all; /* 단어가 너무 길면 중간에서 끊어줄 수 있게 설정 */
        white-space: normal;   /* 줄바꿈 허용 */
    }
	
    /* 반응형 디자인: 모바일 화면일 때 텍스트 크기 조절 */
    @media (max-width: 500px) {
        th, td {
            font-size: 12px;
        }
    }
	
	
	
        /* 폼의 전체 스타일 설정 */
        .form-container {
            max-width: 600px;
            width: 100%;
            padding: 20px;
            border: 1px solid #ccc;
            margin: 20px auto;
            box-sizing: border-box;
        }

        /* 라벨과 입력 필드의 스타일 */
        label {
            display: inline-block;
            width: 150px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        input[type="text"], input[type="email"], textarea, input[type="file"] {
            width: 100%;
            max-width: 300px;
            padding: 5px;
            border: 1px solid #ccc;
            font-size: 14px;
            box-sizing: border-box;
            margin-bottom: 15px;
        }

        /* 버튼 스타일 */
        button, input[type="reset"] {
            padding: 10px 20px;
            font-size: 16px;
            color: white;
            border: none;
            cursor: pointer;
            margin-right: 10px;
        }

        button {
            background-color: #4CAF50;
        }

        input[type="reset"] {
            background-color: #f44336;
        }

        small {
            color: #888;
        }

        /* 모바일에 반응형 적용 */
        @media (max-width: 600px) {
            label {
                width: 100%;
                margin-bottom: 5px;
            }

            input[type="text"], input[type="email"], textarea, input[type="file"] {
                width: 100%;
                max-width: 100%;
            }

            button, input[type="reset"] {
                width: 100%;
                margin-bottom: 10px;
            }

            .form-container {
                padding: 10px;
            }
        }
		
        #loading {
            position: fixed;
            width: 100%;
            height: 100%;
            background: white;
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        /* 로딩 애니메이션 */
        .spinner {
            border: 12px solid #f3f3f3;
            border-top: 12px solid #3498db;
            border-radius: 50%;
            width: 80px;
            height: 80px;
            animation: spin 1.5s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }