body, html {
    height: 100%;
    background-color: #ffffff;
    font-family: Verdana, Arial, Helvetica;
    margin: 0; 
}

.card {
    background-color: white;
    padding: 20px;
    margin-top: 20px;
  }
.cardimg {
  background-color: rgb(0, 0, 0);
  width: 100%;
  padding: 4px;
  max-height: 200px;
  object-fit: cover;
}

a:link{
    color: #009DFF;
    text-decoration: none;
}

a:visited{
    color: #009DFF;
    text-decoration: none;
}

a:hover{
    color: #f4a250;
    text-decoration: none;
}

a:active{
    color: #000000;
    text-decoration: none;
}

h1{
    text-align: center;
    font-size: 30px;
    color: #000000;
}
h2{
    text-align: center;
    font-size: 40px;
    color: #ffffff;
}
h3{
    text-align: center;
    font-size: 20px;
    color: #ffffff;
}

h4{
    text-align: left;
    font-size: 20px;
    color: #000000;
}
h5{
    text-align: left;
    font-size: 14px;
    color: #000000;
}

h6{
    text-align: left;
    font-size: 24px;
    color: #000000;
}



p{
    padding-top:10px;
    padding-bottom:10px;
    text-align: justify;
    font-size: 20px;
    color: #000000;
}

.caption{
    text-align: center;
    font-size: 20px;
    color: #000000;
    font-style: italic;
    padding-top: 10px;
}
.caption-home{
    text-align: center;
    font-size: 20px;
    color: #000000;
    padding-top:20px;
    padding-bottom: 20px;
}

.hero-image {
    height: 30vh; 
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative; 
    display: block;
    margin: 0;
    padding: 0;
}

.hero-image .hero-text {
    color: white; 
    text-align: center;
    position: absolute; 
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    font-size: 1.4em; 
    margin: 0; 
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.5),   
                 -2px -2px 0px rgba(0, 0, 0, 0.5),
                 2px -2px 0px rgba(0, 0, 0, 0.5),
                 -2px 2px 0px rgba(0, 0, 0, 0.5);
}

.mainwrapper{
    min-width:800px;
    margin: 0 auto;
}


.maintext{
    padding-top:50px;
    max-width: 40%;
    min-width: 700px;
    margin:0 auto;
    padding-bottom: 50px;
}

.publications{
    padding-top:50px;
}
.acknowledgements{
    padding-top:100px;
}

.codebox {
    background-color:#dfeffa;
    width:100%;
    height: 100%;
    padding:20px;
    box-sizing: border-box;
    overflow-x:auto;
    white-space: nowrap;

}
.codebox code {
    font-size:20px;
}


.nav {
    list-style: none; 
    margin: 0; 
    padding: 0; 
    padding-top: 10px;
    padding-bottom: 10px;
    text-align: center; 
    background-color: #000000; 
}

.nav li {
    display: inline-block; 
}

.nav a {
    padding-left: 20px; 
    padding-right: 20px; 
    color: #ffffff; 
    font-size: 24px; 
    transition: color 0.3s; 
}


.nav a:hover {
    color: #ff9800; 
}


.nav a:hover {
    color: #ff9800; 
}


.nav a.active {
    color: #ff9800; 
    font-weight: normal; 
}

.sidebar {
    position: fixed;
    width: 160px; 
    padding: 20px;
    border-style: solid;
    border-color: #000000;
    background-color: #ffffff;
    top: 60%;
    left: 5%;
    transition: width 0.3s; 
    z-index: 1000; 
}

.sidebar.collapsed {
    width: 25px; 
    padding: 5px;
    padding-top: 0px; 
}


header {
    display: flex;
    align-items: center; 
}


.sidebar sbh {
    flex-grow: 1; 
    padding: 0; 
    font-size: 28px; 
    color: #000000; 
    font-weight: bold; 
}


.sidebar.collapsed sbh {
    display: none; 
}

.toggle-btn {
    cursor: pointer;
    font-size: 36px; 
    margin-left: 10px; 
    transition: font-size 0.3s; 
}


.sidebar.collapsed .toggle-btn {
    font-size: 36px; 
    margin: 0; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100%; 
}

.sidebar .nav-content {
    display: block; 
}

.sidebar.collapsed .nav-content {
    display: none; 
}

.sidebar a {
    padding: 10px 0; 
    font-size: 20px; 
    color: #000000; 
    display: block;
}

.sidebar a:link,
.sidebar a:visited {
    color: #009DFF; 
    text-decoration: none;
}

.sidebar a:hover {
    color: #f4a250; 
    text-decoration: none;
}

.sidebar a:active {
    color: #000000; 
    text-decoration: none;
}

.comment {
    color: #0ea800
}

.tab {
    margin-left: 40px;
}  


@media (max-width: 1000px) {
    .nav {
        flex-direction: column; 
    }
    
    .nav a{
	line-height: 1.5;
    }

    .hero-image .hero-text {
        font-size: 1em; 
    }

    .hero-image h2 {
        font-size: 2.5em; 
        line-height: 1; 
    }

    .hero-image h3 {
        font-size: 1.5em; 
        line-height: 1.1; 
    }

    .credittext {
	font-size: 0.8em;
    }

    .sidebar {
        position: fixed;
        width: 160px; 
        padding: 20px;
        border-style: solid;
        border-color: #000000;
        background-color: #ffffff;
        top: 15%;
        left: 5%;
        transition: width 0.3s; 
        z-index: 1000; 
    }

    .sidebar.collapsed {
        display: block; 
    }

    .sidebar .nav-content {
        display: none; 
    }

    header {
        justify-content: center; 
        padding: 10px; 
    }


    .toggle-btn {
        cursor: pointer;
        font-size: 36px; 
        margin-left: 10px; 
        transition: font-size 0.3s; 
    }
    .sidebar .nav-content {
        display: block; 
    }
    .sidebar sbh {
        flex-grow: 1; 
        padding: 0; 
        font-size: 28px; 
        color: #000000; 
        font-weight: bold; 
    }

}