/* Sidebar: upper logo/search area = logo red, nav tree = logo dark gray. */
.wy-nav-side,
.wy-side-scroll {
    background-color: #242424;
}

.wy-side-nav-search,
.wy-nav-top {
    background-color: #a00821;
}

.wy-side-nav-search input[type="text"] {
    background-color: #242424;
    border-color: #242424;
    color: #ffffff;
}

.wy-side-nav-search input[type="text"]::placeholder {
    color: #d9d9d9;
}

.wy-menu-vertical li.current > a,
.wy-menu-vertical li.current > a:hover {
    background-color: #242424;
    color: #d9d9d9;
}

/* Expanded sub-menu items (l2 and deeper) — slightly lighter gray. */
.wy-menu-vertical li.toctree-l2 a,
.wy-menu-vertical li.toctree-l2:hover,
.wy-menu-vertical li.toctree-l2.current > a,
.wy-menu-vertical li.toctree-l2.current > a:hover,
.wy-menu-vertical li.toctree-l3 a,
.wy-menu-vertical li.toctree-l3.current > a {
    background-color: #424242;
    color: #d9d9d9;
}

.wy-menu-vertical li.toctree-l4 a,
.wy-menu-vertical li.toctree-l4.current > a {
    background-color: #6e6e6e;
    color: #d9d9d9;
}

/* Pattern background behind the text column at wide viewports (RTD/Renku theme). */
@media screen and (min-width: 1100px) {
    .wy-nav-content-wrap {
        background: url(logo-pattern.png) center / cover;
    }
}

/*
 * News admonition on the home page: white background in both light and dark
 * mode (override Furo's default tinted admonition background).
 */
.admonition.news {
    --color-admonition-background: #ffffff;
}

[data-theme="dark"] .admonition.news {
    --color-admonition-background: #ffffff;
}

/*
 * Styles for the group-heading labels injected into the sidebar by
 * nav_labels.js.
 */
.nav-group-label {
    font-size: 0.7em;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.6;
    padding: 0.8em 1em 0.3em 1em;
    border-top: 1px solid rgba(128, 128, 128, 0.25);
    margin-top: 0.4em;
}

/* First label has no top border (it's at the top of the group list) */
.sidebar-tree li.toctree-l2:first-child .nav-group-label,
.nav-group-label:first-child {
    border-top: none;
    margin-top: 0;
    padding-top: 0.3em;
}