body {
    height: fit-content;
    
    margin: 0;
    padding: 0;

    background: #f6f4f4;
    
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #333;
}

.card {
    width: clamp(600px, 80vw, 820px);

    border-radius: 12px;
    border: 1px solid #eee;

    margin: 150px auto 150px;

    padding: 24px;

    background: #fdfefd;

    box-shadow: 0 1px 2px #0000000e;
}

input[type="file"] {
    width: calc(100% - 104px);
    height: 120px;

    border-radius: 8px;
    border: 2px dashed #111;

    margin-bottom: 14px;
    
    padding: 2px 0 0 100px;

    align-content: center;
    
    font-size: 16px;
    color: #000;
    
    background-image: url(upload.png);
    background-position: top 38px left 34px;
    background-size: 40px;
    background-repeat: no-repeat;
    
    filter: opacity(26%);
    
    cursor: pointer;
}
input[type="file"]::file-selector-button {
    display: none;
}


button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background: #adc496;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

#progress {
    margin-top: 14px;
    text-align: center;
    font-size: 14px;
    color: #444;
    min-height: 24px;
}

li {
    margin-bottom: 2px;
}

#selected_heading,
#selected_list,
#processed_heading,
#processed_list {
    display: none;
}