@import url("/?originalUrl=https%3A%2F%2Ffonts.googleapis.com%2Fcss2%3Ffamily%3DRoboto%3Aital%2Cwght%400%2C100%3B0%2C300%3B0%2C400%3B0%2C500%3B0%2C700%3B0%2C900%3B1%2C100%3B1%2C300%3B1%2C400%3B1%2C500%3B1%2C700%3B1%2C900%26display%3Dswap");

html{
    scroll-behavior:smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: Roboto, sans-serif;
    font-weight: 300;
    font-size: 16px;
    line-height: 1.5;
    background-color: white;
    width: 100%;
    overflow-x: hidden;
}

a {
    color: #990000;
    text-decoration: none;
    font-weight: bold;
}

h1, h2, h3, h4, h5 {
    font-family: Roboto, sans-serif;
    font-weight: 300;
    padding: 0;
    margin: 0;
}

h1 {
    font-size: 3em;
}

@media screen and (max-width: 1280px) {
    h1 {
        font-size: 3em;
    }
}


h2 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
}

h3 {
    font-size: 1.2em;
    font-weight: 500;
    margin-bottom: 0.5em;
}

.subtitle {
    margin-top: 4vw;
    font-size: 2em;
}


.nav {
    width: 100%;
    /* box-shadow: 0 2px 2px #888; */
    font-size: 1.2em;
    position: sticky;
    top: 0;
    z-index: 10;
    background: #990000;
}

@media screen and (max-width: 600px) {
    h1 {
        font-weight: 400;
        font-size: 1.5em;
    }
    h2 {
        font-size: 1.3em;
    }
    h3 {
        font-size: 1em;
    }
    .subtitle {
        font-size: 1.1em;
    }
    .nav {
        font-size: 1em;
    }
}

.nav-container {
    max-width: 1000px;
    margin: auto;
    padding: 10px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
}

.nav a {
    display: block;
    transition: all 0.3s;
    color: #FFCC00;
    margin: 12px 12px;
    text-decoration: none;
    white-space: nowrap;
}

.nav a:hover {
    color: white;
}

.title-container {
    /* width: calc(100% - 40px); */
    width: 100vw;
    min-height: 20vw;
    margin: auto;
    /* padding: 40px 20px; */
    /* padding: 40px 0; */
    color: white;
    /* background-image: linear-gradient(135deg,#333, black, #333);
    background-image: url("/?originalUrl=https%3A%2F%2Fhitl-robot-learning.github.io%2Fstatic%2Fimages%2Fteaser.jpeg");
    background-size: cover;
    background-position: center center; */
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.title-image {
    /* width: calc(100% - 40px); */
    width: 100vw;
    /* min-height: 20vw; */
    height: 20vw;
    /* margin: auto; */
    /* padding: 40px 20px; */
    padding: 40px 0;
    color: white;
    /* background-image: url("/?originalUrl=https%3A%2F%2Fhitl-robot-learning.github.io%2Fassets%2Fcover.png"); */
    background-size: cover;
    background-position: center center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.title-text {
    background-image: url("/?originalUrl=https%3A%2F%2Fhitl-robot-learning.github.io%2Fassets%2Fcover_alt2.png");
    color: #ffffff;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 1000px; /* Set fixed width */
    height: 400px;  /* Set fixed height */
    position: relative;
    border-radius: 35px; /* Rounded corners */
    overflow: hidden; /* Ensures no content spills out of rounded corners */
    margin: auto; /* Center the image */
    object-fit: cover; /* Prevents image distortion */
}

/* .title-text {
    background-image: url("/?originalUrl=https%3A%2F%2Fhitl-robot-learning.github.io%2Fstatic%2Fimages%2Fteaser_ai.png");
    color: #ffffff;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 400px;
    position: relative;
} */

.title-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 400px;
    background-color: rgba(0, 0, 0, 0.3); /* Adjust the transparency here */
    z-index: 1; /* Ensure it sits above the background image but below any content */
}



.container {
    margin: auto;
    max-width: 1000px;
    padding: 40px 20px;
}

.section {
    margin-top: -150px;
    padding-top: 150px;
    margin-bottom: 20px;

    text-align: justify;
    text-justify: inter-word;

}

table {
    border-spacing: 0;
}

td, th {
    border: 1px solid #ddd;
    padding: 8px;
}

tr:nth-child(even){
    background-color: #f2f2f2;
}

th {
    text-align: left;
}

.people {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    text-align: center;
    /* Center the content horizontally */
    justify-content: center; 
}

.people > * {
    display: block;
    width: 150px;
    margin: 15px;
    text-decoration: none;
    color: inherit;
}

.people img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
}

.people .aff {
    font-size: 0.9em;
    color: #444;
}

.foot {
    background: #333;
    /* padding: 5px 10%; */
    /* max-width: 1000px; */
    margin: auto;
    text-align: center;
    color: white;
}

#reviewers ul {
    columns: 3;
    -webkit-columns: 3;
    -moz-columns: 3;
}

/* Talk styles */
.talk-title {
    cursor: pointer;
    color: #990000;
    text-decoration: none;
}

.talk-title::before {
    content: "▶";
    display: inline-block;
    margin-right: 5px;
    transition: transform 0.2s;
}

.talk-title.expanded::before {
    content: "▼";
}

.talk-abstract {
    display: none;
    margin-top: 10px;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 5px;
}

.talk-abstract.show {
    display: block;
}