/* README main-page logo — source image is high-res; constrain display size */
div.textblock div[align="center"] .image img,
div.textblock div[align="center"] img.inline {
  width: 200px;
  height: auto;
}

div.textblock div[align="center"] .image .caption {
  display: none;
}

/*
 * Branch + version controls — styled like doxygen-awesome search & dropdown UI.
 * Layout: [ branch ▼ ] [ version ▼ ]
 */

#projectnumber {
  margin-left: var(--spacing-large);
}

#projectnumber .helios-edition-control {
  --helios-edition-scale: 1;
  display: inline-flex;
  align-items: stretch;
  vertical-align: middle;
  margin-left: 0;
  min-height: calc(var(--searchbar-height) * var(--helios-edition-scale));
  background: var(--searchbar-background);
  border: 1px solid var(--separator-color);
  border-radius: calc(
    var(--border-radius-medium) * var(--helios-edition-scale)
  );
  overflow: visible;
  box-shadow: none;
  transition:
    border-color var(--animation-duration) ease-in-out,
    box-shadow var(--animation-duration) ease-in-out;
}

#projectnumber .helios-edition-control:focus-within {
  border-color: var(--primary-color);
  box-shadow: inset 0 0 0 1px var(--primary-color);
}

#projectnumber .helios-edition-select-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 4.25em;
}

#projectnumber .helios-branch-select-wrap {
  border-right: 1px solid var(--separator-color);
}

#projectnumber .helios-edition-select-wrap::after {
  content: "";
  position: absolute;
  right: calc(var(--spacing-small) + 1px);
  pointer-events: none;
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid var(--page-secondary-foreground-color);
  transition: border-top-color var(--animation-duration) ease-in-out;
  z-index: 1;
}

#projectnumber .helios-edition-control:hover .helios-edition-select-wrap::after,
#projectnumber
  .helios-edition-control:focus-within
  .helios-edition-select-wrap::after {
  border-top-color: var(--primary-color);
}

#branchSelector,
#versionSelector {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: calc(var(--searchbar-height) * var(--helios-edition-scale));
  margin: 0;
  padding: 0 calc(var(--spacing-medium) + 8px) 0 var(--spacing-small);
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--page-foreground-color);
  font-family: var(--font-family);
  font-size: calc(var(--navigation-font-size) * var(--helios-edition-scale));
  font-weight: 500;
  line-height: calc(var(--searchbar-height) * var(--helios-edition-scale));
  cursor: pointer;
  transition:
    background-color var(--animation-duration) ease-in-out,
    color var(--animation-duration) ease-in-out;
}

#branchSelector {
  min-width: 4.25em;
  max-width: 7.5em;
}

#versionSelector {
  min-width: 3.5em;
  max-width: 6em;
}

#branchSelector:hover,
#versionSelector:hover {
  background: var(--menu-selected-background);
}

#branchSelector:active,
#versionSelector:active {
  background: var(--menu-focus-background);
  color: var(--menu-focus-foreground);
}

#branchSelector:focus,
#versionSelector:focus {
  outline: none;
}

#branchSelector:focus-visible,
#versionSelector:focus-visible {
  background: var(--menu-selected-background);
}

#branchSelector option,
#versionSelector option {
  background: var(--page-background-color);
  color: var(--page-foreground-color);
  font-weight: normal;
}

@media screen and (max-width: 767px) {
  #projectnumber {
    display: block;
    margin-left: 0;
    margin-top: var(--spacing-small);
  }

  #projectnumber .helios-edition-control {
    margin-left: 0;
    width: 100%;
    max-width: 100%;
  }

  #projectnumber .helios-edition-select-wrap,
  #branchSelector,
  #versionSelector {
    flex: 1;
    max-width: none;
  }
}