/**
 * @file
 * Vertical tabs module.
 *
 * Replaces /core/misc/vertical-tabs.css.
 */

@import "../base/variables.pcss.css";

:root {
  --vertical-tabs-margin-vertical: var(--space-s);
  --vertical-tabs-border-radius: var(--details-accordion-border-size-radius);
  --vertical-tabs-shadow: var(--details-box-shadow);
  --vertical-tabs-border-color: var(--details-border-color);
  --vertical-tabs-border-size: 1px;
  --vertical-tabs-border: var(--vertical-tabs-border-size) solid var(--vertical-tabs-border-color);
  --vertical-tabs-menu-item-shadow-extraspace: 0.5rem;
  --vertical-tabs-menu-separator-color: var(--color-lightgray);
  --vertical-tabs-menu-separator-size: 1px;
  --vertical-tabs-menu-width: 20em;
  --vertical-tabs-pane-width: calc(100% - var(--vertical-tabs-menu-width));
  --vertical-tabs-menu-link-focus-border-size: var(--details-summary-focus-border-size);
  --vertical-tabs-menu-link--active-border-size: 4px;
  --vertical-tabs-menu-link--active-border-color: var(--color-absolutezero);
}

/**
 * Main wrapper of vertical tabs.
 * This wrapper div is added by JavaScript.
 */
.vertical-tabs {
  margin-top: var(--vertical-tabs-margin-vertical);
  margin-bottom: var(--vertical-tabs-margin-vertical);
  border-top: 1px solid transparent; /* Need to hide the pane wrapper clearfix's height */
}

@media screen and (-ms-high-contrast: active) {
  .vertical-tabs {
    border-color: transparent;
  }
}

/**
 * Vertical tabs menu.
 */
.vertical-tabs__menu {
  position: relative;
  display: none;
  float: left; /* LTR */
  width: var(--vertical-tabs-menu-width);
  margin: 0;
  padding-top: var(--vertical-tabs-menu-item-shadow-extraspace);
  list-style: none;
  color: var(--color-text);
}
[dir="rtl"] .vertical-tabs__menu {
  float: right;
  margin: 0;
}

@media screen and (min-width: 85em) {
  .vertical-tabs__menu {
    display: block;
    width: var(--vertical-tabs-menu-width);
  }
}

/**
 * Vertical tabs menu item.
 */
.vertical-tabs__menu-item {
  overflow: hidden;
  margin: calc(var(--vertical-tabs-menu-item-shadow-extraspace) * -2) calc(var(--vertical-tabs-border-size) * -1) calc(var(--vertical-tabs-menu-item-shadow-extraspace) * -1) calc(var(--vertical-tabs-menu-item-shadow-extraspace) * -1); /* LTR */
  padding: var(--vertical-tabs-menu-item-shadow-extraspace) 0 var(--vertical-tabs-menu-item-shadow-extraspace) var(--vertical-tabs-menu-item-shadow-extraspace); /* LTR */
}
[dir="rtl"] .vertical-tabs__menu-item {
  margin-right: calc(var(--vertical-tabs-menu-item-shadow-extraspace) * -1);
  margin-left: calc(var(--vertical-tabs-border-size) * -1);
  padding-right: var(--vertical-tabs-menu-item-shadow-extraspace);
  padding-left: 0;
}

/**
 * These are the (grey) lines that are visually separating the vertical tab menu
 * items.
 */
.vertical-tabs__menu-item::before,
.vertical-tabs__menu-item::after {
  position: absolute;
  z-index: 1; /* The line should be kept above the vertical tabs menu link to keep it visible even if the link is hovered and gets the 'hover' background color. */
  display: block;
  width: 100%;
  margin-top: calc(var(--vertical-tabs-menu-separator-size) * -1);
  border-top: var(--vertical-tabs-menu-separator-size) solid var(--vertical-tabs-menu-separator-color);
}

/**
 * This pseudo element covers the gray separator line of the vertical tab menu
 * item that follows the active one.
 *
 * Without this, we would have a lightgray line at the bottom-left (LTR) corner
 * of the active vertical tab menu item.
 *
 * Let's call this 'masking' line.
 */
.vertical-tabs__menu-item::after {
  z-index: 2;
  border-color: var(--color-white);
}

/**
 * Making the separator line visible only if it follows an unhidden menu item.
 */
.vertical-tabs__menu-item:not(.vertical-tabs__menu-item--hidden) ~ .vertical-tabs__menu-item::before {
  content: "";
}

/* Menu item states. */
.vertical-tabs__menu-item:focus {
  outline: 0;
  box-shadow: none;
}

.vertical-tabs__menu-item.is-selected::before,
.vertical-tabs__menu-item:not(.vertical-tabs__menu-item--hidden) ~ .vertical-tabs__menu-item.is-selected::before {
  content: normal;
}

/* Make the white masking line displayed for the selected menu item. */
.vertical-tabs__menu-item.is-selected::after {
  content: "";
}

/**
 * Anchor link inside the vertical tabs menu item.
 */
.vertical-tabs__menu-link {
  position: relative;
  display: block;
  margin-top: calc(var(--vertical-tabs-border-size) * -1);
  padding: var(--space-s) var(--space-s) var(--space-s) calc(var(--space-l) - var(--vertical-tabs-menu-link--active-border-size)); /* LTR */
  text-decoration: none;
  word-wrap: break-word;
  hyphens: auto;
  color: var(--color-text);
  border: var(--vertical-tabs-border-size) solid transparent;
  border-width: var(--vertical-tabs-border-size) 0 var(--vertical-tabs-border-size) var(--vertical-tabs-menu-link--active-border-size); /* LTR */
  border-radius: var(--vertical-tabs-border-radius) 0 0 var(--vertical-tabs-border-radius); /* LTR */
}
[dir="rtl"] .vertical-tabs__menu-link {
  padding-right: calc(var(--space-l) - var(--vertical-tabs-menu-link--active-border-size));
  padding-left: var(--space-s);
  border-width: var(--vertical-tabs-border-size) var(--vertical-tabs-menu-link--active-border-size) var(--vertical-tabs-border-size) 0;
  border-radius: 0 var(--vertical-tabs-border-radius) var(--vertical-tabs-border-radius) 0;
}

@media screen and (-ms-high-contrast: active) {
  .vertical-tabs__menu-link {
    border-color: transparent;
  }
}

/* Menu link states. */
.vertical-tabs__menu-link:focus {
  z-index: 4; /* Focus state should be on the highest level to make the focus effect be fully visible. This also means that it should have bigger z-index than the selected link. */
  text-decoration: none;
  box-shadow: none;
}

.vertical-tabs__menu-link:hover {
  text-decoration: none;
  color: var(--color-absolutezero);
}

/* This pseudo element provides the background for the hover state. */
.vertical-tabs__menu-link::before {
  position: absolute;
  z-index: 0; /* This should be on a lower level than the menu-item separator lines. */
  top: calc(var(--vertical-tabs-border-size) * -1);
  right: 0; /* LTR */
  bottom: calc(var(--vertical-tabs-border-size) * -1);
  left: calc(var(--vertical-tabs-menu-link--active-border-size) * -1); /* LTR */
  content: "";
  pointer-events: none;
  background-clip: padding-box;
}
[dir="rtl"] .vertical-tabs__menu-link::before {
  right: calc(var(--vertical-tabs-menu-link--active-border-size) * -1);
  left: 0;
}

.vertical-tabs__menu-link:hover::before {
  background: var(--color-bgblue-hover);
}

.vertical-tabs__menu-link:focus::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: calc(var(--vertical-tabs-border-size) * -1) calc(var(--vertical-tabs-menu-link--active-border-size) * -1);
  content: "";
  pointer-events: none;
  border: var(--vertical-tabs-menu-link-focus-border-size) solid var(--color-focus);
  border-radius: var(--vertical-tabs-border-radius);
}

.vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link {
  z-index: 3; /* The selected menu link should be on a higher level than the white masking line that hides the grey separator. */
  color: var(--color-absolutezero);
  border-color: var(--vertical-tabs-border-color) transparent;
  background-color: var(--color-white);
  box-shadow: var(--vertical-tabs-shadow);
}

.vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link:hover {
  color: var(--color-absolutezero-hover);
  background-color: var(--color-bgblue-hover);
}

.vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link::before {
  z-index: 1; /* The blue active-tab indication should be on a higher level than the green focus border. */
  border-left: var(--vertical-tabs-menu-link--active-border-size) solid var(--vertical-tabs-menu-link--active-border-color); /* LTR */
  border-radius: var(--base-border-radius) 0 0 var(--base-border-radius); /* LTR */
}
[dir=rtl] .vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link::before {
  border-right: var(--vertical-tabs-menu-link--active-border-size) solid var(--vertical-tabs-menu-link--active-border-color);
  border-left: 0;
  border-radius: 0 var(--base-border-radius) var(--base-border-radius) 0;
}

.vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link:hover::before {
  background: none;
}

@media screen and (-ms-high-contrast: active) {
  .vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link {
    border-color: windowText transparent;
  }

  .vertical-tabs__menu-link:focus::after {
    border-color: transparent;
  }

  .vertical-tabs__menu-item.is-selected .vertical-tabs__menu-link::before {
    border-color: windowText;
  }
}

.vertical-tabs__menu-link-content {
  position: relative;
  z-index: 1; /* We are using a pseudo element for displaying the hover state's background, and we have to keep the link content above that pseudo element. Without this, the text would be covered by the background. */
}

/**
 * Details summary in vertical tabs menu link and in the summary of the details.
 */
.vertical-tabs__menu-link-summary,
.vertical-tabs__details-summary-summary {
  display: block;
  color: var(--color-davysgrey);
  font-size: var(--font-size-s);
  font-weight: normal;
}

/**
 * Wrapper of vertical tabs panes.
 */
.vertical-tabs__items {
  box-sizing: border-box;
  margin-top: var(--vertical-tabs-margin-vertical);
  margin-bottom: var(--vertical-tabs-margin-vertical);
  color: var(--color-text);
  border: var(--vertical-tabs-border);
  border-radius: var(--vertical-tabs-border-radius);
  background-color: var(--color-white);
  box-shadow: var(--vertical-tabs-shadow);
}

/* This modifier is added by JavaScript (this is inherited from Drupal core). */
.vertical-tabs__items--processed {
  position: relative;
  z-index: 1; /* The wrapper of the details of the vertical tabs should be on a higher level than the vertical tabs menu */
  top: -1px;
  margin-top: 0;
  margin-bottom: 0;
}
/* This clearfix makes the pane wrapper at least as tall as the menu. */
.vertical-tabs__items--processed::after {
  display: block;
  clear: both;
  content: "";
}

@media screen and (min-width: 85em) {
  .vertical-tabs__items--processed {
    margin-left: var(--vertical-tabs-menu-width); /* LTR */
    border-top-left-radius: 0; /* LTR */
  }

  .js[dir="rtl"] .vertical-tabs__items--processed {
    margin-right: var(--vertical-tabs-menu-width);
    margin-left: 0;
    border-top-left-radius: var(--vertical-tabs-border-radius);
    border-top-right-radius: 0;
  }
}

/**
 * The actual vertical tabs pane.
 *
 * This is a claro-details element which in this case is also
 * vertical-tabs__item.
 */
.vertical-tabs__item {
  /* Render on top of the border of vertical-tabs__items. */
  margin: calc(var(--vertical-tabs-border-size) * -1) calc(var(--vertical-tabs-border-size) * -1) 0;
  border-radius: 0;
}

.vertical-tabs__item--first {
  border-top-left-radius: var(--details-accordion-border-size-radius);
  border-top-right-radius: var(--details-accordion-border-size-radius);
}

.vertical-tabs__item--last {
  margin-bottom: calc(var(--vertical-tabs-border-size) * -1);
  border-bottom-right-radius: var(--details-accordion-border-size-radius);
  border-bottom-left-radius: var(--details-accordion-border-size-radius);
}

@media screen and (min-width: 85em) {
  .js .vertical-tabs__item {
    overflow: hidden;
    margin: 0;
    border: 0;
  }

  .js .vertical-tabs__item--first,
  .js .vertical-tabs__item--last {
    border-radius: 0;
  }

  .js .vertical-tabs__item > summary {
    display: none;
  }
}
