/* Prepp Yourself category tree navigation */
.category-tree {
    --tree-text-color: #9c9c9c;
    color: var(--tree-text-color);
    --tree-spacing: 22px;
    --tree-radius: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.92rem;
}

.category-tree li {
    display: block;
    position: relative;
    padding-left: calc(2 * var(--tree-spacing) - var(--tree-radius) - 2px);
    padding-bottom:8px;
}

.category-tree ul {
    list-style: none;
    margin: 0 0 0 calc(var(--tree-radius) - var(--tree-spacing));
    padding-left: 0;
}

.category-tree ul li::before {
    content: '';
    display: block;
    position: absolute;
    top: calc(var(--tree-spacing) / -2);
    left: 0;
    width: var(--tree-spacing);
    height: calc(var(--tree-spacing) + 1px);
    border: solid #83909b;
    border-width: 0 0 1px 0;
}

.category-tree ul li {
    border-left: 1px solid #83909b;
}

.category-tree ul li:last-child {
    border-color: transparent;
    border-image: linear-gradient(
        to bottom,
        #83909b 0,
        #83909b calc(var(--tree-spacing) / 2 + 1px),
        transparent calc(var(--tree-spacing) / 2 + 1px)
    ) 1;
}

.category-tree ul li:last-child::before {
    border-left-width: 0;
}

.category-tree summary,
.category-tree-leaf {
    display: inline-block;
    min-height: var(--tree-spacing);
    color: var(--tree-text-color);
    cursor: pointer;
    text-decoration: none;
    line-height: var(--tree-spacing);
}
a.category-tree-leaf {
    color: var(--tree-text-color);
}
a.category-tree-leaf:hover {
    /* color: Blue; */
}

.category-tree summary {
    display: inline-flex;
    position: relative;
    align-items: center;
    gap: 0.4rem;
    padding-left: 0.15rem;
}

.category-tree-category-link {
    color: var(--tree-text-color);
    text-decoration: none;
}

.category-tree-category-link:hover {
    color: var(--primary-color, #0d6efd);
}

.category-tree-toggle {
    position: absolute;
    z-index: 1;
    top: calc(var(--tree-spacing) / 2 - var(--tree-radius));
    left: calc(-1 * var(--tree-spacing) + 1px);
    width: calc(2 * var(--tree-radius));
    height: calc(2 * var(--tree-radius));
    border: 1px solid #83909b;
    border-radius: 50%;
    background: #fff;
    color: #35414b;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: calc(2 * var(--tree-radius));
    text-align: center;
}

.category-tree-toggle::after {
    content: '+';
}

.category-tree details[open] > summary > .category-tree-toggle::after {
    content: '−';
}

.category-tree li > details[open] > summary::after {
    content: '';
    position: absolute;
    top: calc(var(--tree-spacing) / 2);
    bottom: 0;
    /* Align with the vertical line of the nested list. */
    left: calc(var(--tree-radius) - var(--tree-spacing));
    border-left: 1px solid #83909b;
}

.category-tree summary::marker,
.category-tree summary::-webkit-details-marker {
    display: none;
    content: '';
}

.category-tree summary:focus-visible,
.category-tree-leaf:focus-visible,
.category-tree-link:focus-visible {
    outline: 2px solid var(--primary-color, #0d6efd);
    outline-offset: 2px;
}

.category-tree-leaf::before {
    content: '';
    display: block;
    position: absolute;
    top: calc(var(--tree-spacing) / 2 - var(--tree-radius));
    left: calc(var(--tree-spacing) - var(--tree-radius) - 1px);
    width: calc(2 * var(--tree-radius));
    height: calc(2 * var(--tree-radius));
    border: 1px solid #83909b;
    border-radius: 50%;
    background: #fff;
}

.category-tree-leaf {
    padding-left: 0.15rem;
}

.category-tree .is-active {
    font-weight: 700;
    text-decoration: none;
    text-underline-offset: 0.15em;
    color:var(--primary-hover-color);
}

.category-tree-leaf:hover,
.category-tree-link:hover {
    /* color: var(--primary-color, #0d6efd); */
    color:var(--primary-hover-color);
}
.category-tree .is-active:hover {
    color:var(--primary-hover-color);
}

.category-tree-link {
    margin-left: 0.35rem;
    color: var(--tree-text-color);
    font-size: 0.72rem;
    text-decoration: none;
}




.category-tree details.topic-root summary{
    padding-bottom:8px;
}

.category-tree summary{
    font-weight:700;
}

.category-tree details{
    margin:0;
}

.category-tree .badge{
    padding:0;
    background-color: transparent !important;
    border:0;
    color: var(--tree-text-color);
    font-weight:300;
}