body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

.container {
    text-align: center;
}

.custom-file-upload {
    display: inline-block;
    padding: 15px 20px;
    cursor: pointer;
    background-color: black;
    color: white;
    border-radius: 5px;
    border: none;
    font-weight: bold;
}

.custom-file-upload:hover {
    background-color: rgb(67, 59, 59);
    color: white;
}

input[type="file"] {
    display: none;
}

#copyButton {
    display: inline-block;
    padding: 16.5px 20px;
    cursor: pointer;
    background-color: black;
    color: white;
    border-radius: 5px;
    border: none;
    font-weight: bold;
}

.tree {
    list-style-type: none;
    margin: 0;
    padding: 0;
    padding-top: 20px;
    padding-left: 30px;
}

.tree ul {
    list-style-type: none;
    margin: 0;
    padding-left: 30px;
}

.tree li {
    padding: 4px 0;
    position: relative;
    padding-bottom: 7px;
}

.tree li::before {
    content: "";
    position: absolute;
    top: 0;
    left: -50px;
    width: 1px;
    height: calc(100% + 8px);
    border-left: 1px solid #000;
}

.tree li::after {
    content: "";
    position: absolute;
    top: 12px;
    left: -50px;
    width: 20px;
    height: 1px;
    border-bottom: 1px solid #000;
}

.tree li:last-child::before {
    height: 12px;
}

#folderInput {
    font-size: 1.2em;
}

li.folder::before {
    content: "📁 ";
    padding-left: 20px;
}

li.file::before {
    content: "📄 ";
    padding-left: 20px;
}