body {
    font-family: Arial, sans-serif;
    margin: 0;
    width: 100vw;
    height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#file-list{
    height: 100%;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    overflow: auto;
}

.item {
    display: inline-block;
    margin: 10px;
    padding: 10px 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
    cursor: pointer;
    transition: background-color 0.2s;
    word-break: break-word;
}

.item:hover {
    background-color: #e0e0e0;
}

.folder {
    font-weight: bold;
    color: #2c3e50;
}

.file {
    color: #2980b9;
}

#back-button {
    margin-bottom: 20px;
    display: none;
    cursor: pointer;
    color: #e74c3c;
}