html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: #f8f9fa;
}

header {
    background-color: #212529;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    position: sticky;
    z-index: 1;
    top: 0px;
}

#HeaderImage {
    position: relative;
    top: 2px;
    height: 30px;
    padding-left: 10px;
}

#Header {
    position: relative;
    padding: 5px;
    float: right;
}

#Hamburger {
    display: none;
    font-size: 30px;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

.HeaderButton {
    border: none;
    background-color: #00436d;
    color: white;
    padding: 8px 16px;
    text-align: center;
    font-size: 24px;
    border-radius: 5px;
    cursor: pointer;
}

.HeaderButton:hover {
    background-color: #002b46;
}

.selected {
    background-color: #848484;
}

.selected:hover {
    background-color: #5b5b5b;
}

#github_logo {
    width: 50px;
    position: fixed;
    bottom: 5px;
    left: 5px;
}

.Pagetitle {
    padding-left: 10px;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

#drop_zone {
    height: 40vh;
    font-family: Arial, Helvetica, sans-serif;
    border: 4px solid darkgrey;
    background-color: rgb(244, 244, 244);
    border-radius: 10px;
    border-style: dashed;
    user-select: none;
    display: flex;
    flex-direction: column;
    text-align: center;
    justify-content: space-between;
    cursor: pointer;
}

#UIContainer {
    border: 1px solid darkgrey;
    border-radius: 10px;
    background-color: white;   
    padding: 10px;
    margin-inline: auto;
    position: absolute;
    width: 40vw;
    top: 50%;
    transform: translateY(-50%);
}

#IndexDiv {
    position: absolute;
    width: 80vw;
    padding: 10vw;
    top: 50%;
    transform: translateY(-50%);
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

#FilesTable {
    width: 80vw;
    position: relative;
    margin: auto;
    border: 1px solid darkgrey;
    border-radius: 10px;
    background-color: white;
    padding: 10px;
    margin-top: 50px;
}

#MainTable {
    position: relative;
    user-select: none;
    width: 100%;
    table-layout: fixed;
    padding: 5px;
}

.board_square {
    border-radius: 3px;
    border: 2px solid white;
    background-color: rgb(230, 230, 230);
    text-align: left; 
    vertical-align: middle;
    height: 40px;
    padding: 2px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    border-radius: 5px;
}

.download {
    width: 40px;
    background-color: #434343;
    text-align: center;
}

.download:hover {
    background-color: #3faf1a;
    cursor: pointer;
}

.delete {
    text-align: center; 
    width: 85px;
    font-size: 20px;
    background-color: #d52424;
    color: white;
}

.delete:not(.disabled):hover {
    background-color: #a50b0b;
    cursor: pointer;
}

.disabled {
    background-color: #8f8f8f;
}

.filename {
    padding-left: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%; 
}

.filelink:link {
    color: black;
    background-color: transparent;
    text-decoration: none;
    cursor: pointer;
}

.filelink:visited {
    color: black;
    background-color: transparent;
    text-decoration: none;
}

#refreshbutton {
    border: 0;
    background-color: #f8f9fa;
    padding: 0;
    height: 50px;
    cursor: pointer;
}

#refreshbutton.rotated {
    transition: transform 0.5s;
    transform: rotate(360deg);
}

#progress-container {
    display: none;
    margin-top: 20px;
}

#progress-bar {
    width: 0;
    height: 20px;
    background-color: #4caf50;
    transition: width 0.3s ease;
    position: fixed;
    bottom: 0px;
    z-index: 1;
}

#ModeSelector {
    border: none;
    background-color: #005a92;
    color: white;
    padding: 8px 16px;
    padding-left: 10px;
    text-align: center;
    font-size: 24px;
    border-radius: 5px;
    cursor: pointer;
}

#ModeSelector:hover {
    background-color: #002b46;
}

#TitleSpan {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
}

@media screen and (max-width: 720px){
	#UIContainer {
        width: 80vw !important;
    }
    #drop_zone {
        height: 65vh !important;
        padding-inline: 10px;
    }
    #ModeSelector {
        font-size: 4vw !important;
    }

    #Header {
        display: none;
        position: absolute;
        top: 50px;
        right: 10px;
        background-color: #212529;
        flex-direction: column;
        align-items: center;
        gap: 5px;
        padding: 10px;
        border-radius: 8px;
        box-shadow: 0px 4px 10px rgba(0,0,0,0.4);
        z-index: 5;
    }

    #Header.show {
        display: flex;
    }

    #Hamburger {
        display: block;
    }

    .Pagetitle {
        font-size: 7vw !important;  
    }
}