doc/python/sphinx/_static/custom.css

html[data-theme="dark"] {
  --pst-color-target: color-mix(in srgb, var(--pst-color-surface), purple 10%)
}

/* Sidebar Widths */
.bd-sidebar-primary {
  width: 17%;
}

.bd-sidebar-secondary {
  width: 30%;
}

@media (max-width: 960px) {

  /* Ensure long function/method signatures wrap on mobile */
  dt.sig {
    white-space: normal !important;
    overflow-wrap: break-word !important;
    word-break: break-all !important;
    /* Force break for very long identifiers */
  }

  /* Add a bit of indentation for wrapped lines to keep them readable */
  dt.sig-object {
    padding-left: 1em;
    text-indent: -1em;
  }
}

/* Mobile Sidebar Widths */
@media (max-width: 960px) {

  .bd-sidebar-primary,
  .bd-sidebar-secondary {
    width: 75% !important;
  }
}