/**
 * This file handles styling for the menu bar at the top containing the logo, navigation and version selector.
 * It also handles the mobile version of the menu.
 */

html.is-clipped--navbar {
  overflow-y: hidden;
}

body {
  padding-top: var(--navbar-height);
}

.navbar {
  background: var(--navbar-background);
  color: var(--navbar-font-color);
  font-size: calc(16 / var(--rem-base) * 1rem);
  height: var(--navbar-height);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: var(--z-index-navbar);
  display: flex;
  justify-content: space-between;
  padding: 0 1rem;
  box-shadow: 0 8px 10px 0 rgba(0, 0, 0, 0.1);
}

.navbar a {
  text-decoration: none;
}

.navbar-brand {
  display: flex;
}

.navbar-brand .navbar-item:first-child {
  padding: 0;
}

.navbar-brand .navbar-item:first-child a {
  color: inherit;
  word-wrap: normal;
}

.navbar-brand .navbar-item:first-child img {
  height: 22px;
  display: inline-block;
  margin-top: -4px;
  padding-right: 20px;
}

.navbar-brand .navbar-item.documentation-link {
  position: relative;
  font-size: 18px;
  letter-spacing: 1px;
}

.navbar-brand .navbar-item.documentation-link::before {
  content: '';
  position: absolute;
  display: inline-block;
  left: 0;
  top: 25px;
  width: 1px;
  height: 23px;
  background-color: var(--color-brand-secondary);
}

.navbar-item,
.navbar-link {
  color: var(--navbar-menu-font-color);
  line-height: var(--doc-line-height);
  padding: 0.5rem 1rem;
  display: flex;
  position: relative;
  flex: none;
}

.navbar-link:hover {
  color: var(--navbar-menu-font-color-hover);
}

.navbar-item.has-dropdown {
  padding: 0;
}

.navbar-link {
  padding-right: 2.5em;
}

.navbar-dropdown .navbar-item {
  padding: 0.5rem 3rem 0.5rem 1rem;
  color: var(--doc-font-color);
  white-space: nowrap;
}

.navbar-divider {
  background-color: var(--navbar-menu-border-color);
  border: none;
  height: 1px;
  margin: 0.25rem 0;
}

.navbar .button {
  margin: 20px 0;
  border-radius: calc(1.75rem / 2);
  color: var(--navbar-button-font-color);
  background: var(--navbar-button-background);
}

.navbar-menu {
  display: flex;
}

.navbar-end {
  display: flex;
  justify-content: right;
}

.navbar-item:not(.has-dropdown),
.navbar-link {
  align-items: center;
}

/** center the menu by having the left and right elements of the same size */
#topbar-left,
#topbar-right {
  width: 190px;
}

.version-button .navbar-link::after {
  border-width: 0 0 1px 1px;
  border-style: solid;
  content: "";
  display: block;
  height: 0.5em;
  pointer-events: none;
  position: absolute;
  transform: rotate(-45deg);
  width: 0.5em;
  margin-top: -0.375em;
  right: 1.125em;
  top: 50%;
}

.navbar-dropdown {
  background: var(--navbar-menu-background);
  border: 1px solid var(--navbar-menu-border-color);
  box-shadow: 0 4px 10px -2px rgba(0, 0, 0, 0.1);
  border-top: none;
  border-radius: 0 0 0.25rem 0.25rem;
  display: none;
  top: 100%;
  left: 0;
  min-width: 100%;
  position: absolute;
}

.navbar-item.is-hoverable:hover .navbar-dropdown {
  display: block;
}

.navbar-dropdown .navbar-item:last-child {
  border-radius: inherit;
}

.navbar-dropdown.is-right {
  left: auto;
  right: 0;
}

.navbar-dropdown a.navbar-item:hover {
  background: var(--navbar-menu_hover-background);
  color: var(--navbar-menu-font-color-hover);
}

#search-button {
  cursor: pointer;
  padding-right: 2rem;
}

/**
 * Mobile popup & burger
 */

.navbar-burger {
  background: none;
  border: none;
  outline: none;
  line-height: 1;
  position: relative;
  padding: 0;
  padding-right: 1.5rem;
  display: none; /** flex */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.navbar-burger span {
  background-color: var(--navbar-font-color);
  height: 1.5px;
  width: 1rem;
}

.navbar-burger:not(.is-active) span {
  transition: transform ease-out 0.25s, opacity 0s 0.25s, margin-top ease-out 0.25s 0.25s;
}

.navbar-burger span + span {
  margin-top: 0.25rem;
}

.navbar-burger.is-active span + span {
  margin-top: -1.5px;
}

.navbar-burger.is-active span:nth-child(1) {
  transform: rotate(45deg);
}

.navbar-burger.is-active span:nth-child(2) {
  opacity: 0;
}

.navbar-burger.is-active span:nth-child(3) {
  transform: rotate(-45deg);
}

.mobile-popup-menu {
  position: fixed;
  display: none;
  z-index: 5;
  top: var(--navbar-height);
  width: 100%;
  background: var(--navbar-menu-background);
  box-shadow: 0 8px 16px rgba(10, 10, 10, 0.1);
  max-height: var(--body-min-height);
  overflow-y: auto;
  overscroll-behavior: none;
  padding: 0.5rem 0;
}

.mobile-popup-menu a {
  text-decoration: none;
}

/** disable the caret */
.mobile-popup-menu .navbar-link::after {
  display: none;
}

.mobile-popup-menu .navbar-item.has-dropdown {
  flex-direction: column;
  min-width: none;
}

.mobile-popup-menu .navbar-dropdown {
  display: inline;
  position: relative;
  min-width: none;
}

/** indent sub items a little bit to distinguish them visually */
.mobile-popup-menu .navbar-dropdown .navbar-item,
.mobile-popup-menu .navbar-divider {
  padding-left: 2rem;
}

.mobile-popup-menu .navbar-item,
.mobile-popup-menu .navbar-link {
  color: var(--navbar-menu-font-color);
}

.mobile-popup-menu a.navbar-item:hover,
.mobile-popup-menu .navbar-link:hover {
  background: var(--navbar-menu_hover-background);
  color: var(--navbar-menu-font-color-hover);
}

.mobile-popup-menu:not(.is-active) {
  display: none;
}

/** At this breakpoint, disable the menu and replace it with the burger and pop up menu */
@media screen and (max-width: 1200px) {
  .navbar-menu {
    display: none;
  }

  .navbar-burger {
    display: flex;
  }

  .mobile-popup-menu {
    display: block;
  }

  .navbar-brand .navbar-item.documentation-link {
    font-size: unset;
  }

  #version-dropdown.is-active {
    display: block;
  }
}

@media screen and (max-width: 768px) {
  .navbar-burger,
  #search-button {
    padding: 0 1rem 0 0;
  }
}

@media screen and (max-width: 450px) {
  .navbar-brand .navbar-item.documentation-link,
  .navbar-brand .navbar-item.documentation-link::before {
    display: none;
  }
}