body {
    font-family: Arial, sans-serif;
    margin: 2rem;
    background-color: #1e1e1e; /* dark background */
    color: #cfcfcf;            /* light text */
    line-height: 1.6;
}

ul, li {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Folder labels */
.folder {
    cursor: pointer;
    font-weight: bold;
    color: #8ab4f8; /* blue-ish for folders */
    display: flex;
    align-items: center;
}

/* File links */
li a {
    text-decoration: none;
    color: #a5d6ff; /* lighter blue for files */
}
li a:hover {
    text-decoration: underline;
    color: #ffffff;
}

/* Highlighted search */
mark {
    background-color: #ffd54f;
    color: #000000;
}

/* Tree container */
#fileTree ul {
    list-style: none;
    padding-left: 0.5em; /* smaller indentation for nested levels */
    position: relative;
}

/* Vertical guide line for nested folders/files */
#fileTree ul::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0.05em; /* closer to the triangle */
    border-left: 1px solid #555;
}

/* Remove vertical line for top-level folders */
#fileTree > div > ul::before {
    border-left: none;
}

/* List items */
#fileTree li {
    position: relative;
    padding-left: 1em; /* space for triangle */
}


/* Vertical guide line for nested folders/files */
#fileTree ul::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0.05em; /* aligns with triangle */
    border-left: 1px solid #555;
}

/* Remove vertical line for top-level folders */
#fileTree > div > ul::before {
    border-left: none;
}

/* List items */
#fileTree li {
    position: relative;
    padding-left: 1.5em; /* space for triangle */
}

/* Triangles */
.triangle {
    display: inline-block;
    width: 1ch;           /* fixed width to align lines */
    font-family: monospace;
    transition: transform 0.2s;
    margin-right: 0.2em;
}

/* Rotate triangle when folder is open */
.triangle.open {
    transform: rotate(90deg);
}