.dropdown {
  position: relative;

  .btn-link {
    &:hover {
      cursor: pointer;
    }
  }
}

@mixin chevron-active {
  .fa-chevron-down {
    color: $gray-darkest;
  }
}

@mixin set-visible {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
  transition-duration: 100ms, 150ms, 25ms;
  transition-delay: 35ms, 50ms, 25ms;
}

@mixin set-invisible {
  transform: translateY(-10px);
  visibility: hidden;
  opacity: 0;
  transition-property: opacity, transform, visibility;
  transition-duration: 70ms, 250ms, 250ms;
  transition-timing-function: linear, $dropdown-animation-timing;
  transition-delay: 25ms, 50ms, 0ms;
}

.open {
  .dropdown-menu,
  .dropdown-menu-nav {
    @include set-visible;
    display: block;

    @media (max-width: $screen-xs-max) {
      width: 100%;
    }
  }

  .dropdown-toggle,
  .dropdown-menu-toggle {
    @include chevron-active;
    border-color: $gray-darkest;
  }

  [data-toggle="dropdown"] {
    outline: 0;
  }
}

.dropdown-toggle {
  padding: 6px 8px 6px 10px;
  background-color: $white-light;
  color: $gl-text-color;
  font-size: 14px;
  text-align: left;
  border: 1px solid $border-color;
  border-radius: $border-radius-base;
  white-space: nowrap;

  &[disabled] {
    opacity: .65;
    cursor: not-allowed;
  }

  &.no-outline {
    outline: 0;
  }

  &.large {
    width: 200px;
  }

  &.wide {
    width: 100%;

    + .dropdown-select {
      width: 100%;
    }
  }

  // Allows dynamic-width text in the dropdown toggle.
  // Resizes to allow long text without overflowing the container.
  &.dynamic {
    width: auto;
    min-width: 160px;
    max-width: 100%;
    padding-right: 25px;
  }

  .fa {
    color: $gray-darkest;
  }

  .fa-chevron-down {
    font-size: $dropdown-chevron-size;
    position: relative;
    top: -2px;
    margin-left: 5px;
  }

  &:hover {
    @include chevron-active;
    border-color: $gray-darkest;
  }

  &:focus:active {
    @include chevron-active;
    border-color: $dropdown-toggle-active-border-color;
    outline: 0;
  }
}

.dropdown-menu-toggle {
  @extend .dropdown-toggle;
  padding-right: 25px;
  position: relative;
  width: 163px;
  text-overflow: ellipsis;
  overflow: hidden;

  .fa {
    position: absolute;

    &.fa-spinner {
      font-size: 16px;
      margin-top: -3px;
    }
  }

  .fa-chevron-down,
  .fa-spinner {
    position: absolute;
    top: 11px;
    right: 8px;
  }
}

@mixin dropdown-link {
  display: block;
  position: relative;
  padding: 5px 8px;
  color: $gl-text-color;
  line-height: initial;
  border-radius: 2px;
  white-space: nowrap;
  overflow: hidden;

  &:hover,
  &:focus,
  &.is-focused {
    background-color: $dropdown-link-hover-bg;
    text-decoration: none;

    .badge {
      background-color: darken($dropdown-link-hover-bg, 5%);
    }
  }

  &.dropdown-menu-empty-link {
    &.is-focused {
      background-color: $dropdown-empty-row-bg;
    }
  }

  &.dropdown-menu-user-link {
    line-height: 16px;
  }

  .icon-play {
    fill: $gl-text-color-secondary;
    margin-right: 6px;
    height: 12px;
    width: 11px;
  }
}

.dropdown-menu,
.dropdown-menu-nav {
  @include set-invisible;
  display: block;
  position: absolute;
  width: auto;
  top: 100%;
  left: 0;
  z-index: 200;
  min-width: 240px;
  max-width: 500px;
  margin-top: 2px;
  margin-bottom: 0;
  font-size: 14px;
  font-weight: normal;
  padding: 8px 0;
  background-color: $white-light;
  border: 1px solid $dropdown-border-color;
  border-radius: $border-radius-base;
  box-shadow: 0 2px 4px $dropdown-shadow-color;

  &.dropdown-open-left {
    right: 0;
    left: auto;
  }

  &.is-loading {
    .dropdown-content {
      display: none;
    }

    .dropdown-loading {
      display: block;
    }
  }

  .shortcut-mappings {
    display: none;
  }

  &.shortcuts .shortcut-mappings {
    display: inline-block;
    margin-right: 5px;
  }

  ul {
    margin: 0;
    padding: 0;
  }

  li {
    text-align: left;
    list-style: none;
    padding: 0 10px;
  }

  .divider {
    height: 1px;
    margin: 6px 10px;
    padding: 0;
    background-color: $dropdown-divider-color;
  }

  .separator {
    width: 100%;
    height: 1px;
    margin-top: 8px;
    margin-bottom: 8px;
    background-color: $dropdown-divider-color;
  }

  a {
    @include dropdown-link;
  }

  .dropdown-header {
    color: $gl-text-color-secondary;
    font-size: 13px;
    line-height: 22px;
    padding: 0 16px;
  }

  &.capitalize-header .dropdown-header {
    text-transform: capitalize;
  }

  .dropdown-bold-header {
    font-weight: 600;
    line-height: 22px;
    padding: 0 16px;
  }

  .separator + .dropdown-header,
  .separator + .dropdown-bold-header {
    padding-top: 2px;
  }

  .unclickable {
    cursor: not-allowed;
    padding: 5px 8px;
    color: $gl-text-color-secondary;
  }

  .badge + span:not(.badge) {
    // Expects up to 3 digits on the badge
    margin-right: 40px;
  }
}

.droplab-dropdown {
  .dropdown-toggle > i {
    pointer-events: none;
  }

  .dropdown-menu li {
    padding: $gl-btn-padding;
    cursor: pointer;

    > a,
    > button {
      display: flex;
      margin: 0;
      padding: 0;
      border-radius: 0;
      text-overflow: inherit;
      background-color: inherit;
      color: inherit;
      border: inherit;
      text-align: left;

      &:hover,
      &:focus {
        background-color: inherit;
        color: inherit;
      }

      &.btn .fa:not(:last-child) {
        margin-left: 5px;
      }
    }

    &:hover,
    &:focus {
      background-color: $dropdown-hover-color;
      color: $white-light;
    }

    &.droplab-item-selected i {
      visibility: visible;
    }

    &.divider {
      margin: 0 8px;
      padding: 0;
      border-top: $gray-darkest;
    }

    .icon {
      visibility: hidden;
    }

    .description {
      display: inline-block;
      white-space: normal;
      margin-left: 5px;

      p {
        margin-bottom: 0;
      }
    }
  }

  .icon {
    display: inline-block;
    vertical-align: top;
    padding-top: 2px;
  }
}

.droplab-dropdown .dropdown-menu,
.droplab-dropdown .dropdown-menu-nav {
  display: none;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.filtered-search-box-input-container {
  .dropdown-menu,
  .dropdown-menu-nav {
    max-width: 280px;
  }
}

.dropdown-menu-drop-up {
  top: auto;
  bottom: 100%;
}

.dropdown-menu-large {
  width: 340px;
}

.dropdown-menu-no-wrap {
  a {
    white-space: normal;
  }
}

.dropdown-menu-full-width {
  width: 100%;
}

.dropdown-menu-paging {
  .dropdown-page-two,
  .dropdown-menu-back {
    display: none;
  }

  &.is-page-two {
    .dropdown-page-one {
      display: none;
    }

    .dropdown-page-two,
    .dropdown-menu-back {
      display: block;
    }

    .dropdown-content {
      padding: 0 10px;
    }
  }
}

.dropdown-menu-user {
  .avatar {
    float: left;
    width: 2 * $gl-padding;
    height: 2 * $gl-padding;
    margin: 0 10px 0 0;
  }
}

.dropdown-menu-user-link {
  padding-top: 10px;
  padding-bottom: 7px;
}

.dropdown-menu-user-full-name {
  display: block;
  font-weight: 500;
  line-height: 16px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.dropdown-menu-user-username {
  display: block;
  line-height: 16px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.dropdown-select {
  width: $dropdown-width;

  @media (max-width: $screen-sm-min) {
    width: 100%;
  }
}

.dropdown-menu-align-right {
  left: auto;
  right: 0;
  margin-top: -5px;
}

.dropdown-menu-selectable {
  a {
    padding-left: 26px;
    position: relative;

    &.is-indeterminate,
    &.is-active {
      font-weight: 600;
      color: $gl-text-color;

      &::before {
        position: absolute;
        left: 6px;
        top: 50%;
        transform: translateY(-50%);
        font: normal normal normal 14px/1 FontAwesome;
        font-size: inherit;
        text-rendering: auto;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
      }
    }

    &.is-indeterminate::before {
      content: "\f068";
    }

    &.is-active::before {
      content: "\f00c";
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
    }
  }
}


.dropdown-title {
  position: relative;
  padding: 2px 25px 10px;
  margin: 0 10px 10px;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid $dropdown-divider-color;
  overflow: hidden;
}

.dropdown-title-button {
  position: absolute;
  top: 0;
  padding: 0;
  color: $dropdown-title-btn-color;
  font-size: 14px;
  border: 0;
  background: none;
  outline: 0;

  &:hover {
    color: darken($dropdown-title-btn-color, 15%);
  }
}

.dropdown-menu-close {
  right: 5px;
  width: 20px;
  height: 20px;
  top: -1px;
}

.dropdown-menu-back {
  left: 7px;
  top: 2px;
}

.dropdown-input {
  position: relative;
  margin-bottom: 10px;
  padding: 0 10px;

  .fa {
    position: absolute;
    top: 10px;
    right: 20px;
    color: $dropdown-input-fa-color;
    font-size: 12px;
    pointer-events: none;
  }

  .dropdown-input-clear {
    display: none;
    cursor: pointer;
    pointer-events: all;
    right: 22px;
    top: 9px;
    font-size: 14px;
  }

  &.has-value {
    .dropdown-input-clear {
      display: block;
    }

    .dropdown-input-search {
      display: none;
    }
  }
}

.dropdown-input-field,
.default-dropdown-input {
  display: block;
  width: 100%;
  min-height: 30px;
  padding: 0 7px;
  color: $dropdown-input-color;
  line-height: 30px;
  border: 1px solid $dropdown-divider-color;
  border-radius: 2px;
  outline: 0;

  &:focus {
    color: $dropdown-link-color;
    border-color: $dropdown-input-focus-border;
    box-shadow: 0 0 4px $dropdown-input-focus-shadow;

    ~ .fa {
      color: $dropdown-link-color;
    }
  }

  &:hover {
    ~ .fa {
      color: $dropdown-link-color;
    }
  }
}

.dropdown-content {
  max-height: 215px;
  overflow-y: auto;
}

.dropdown-info-note {
  color: $gl-text-color-secondary;
  text-align: center;
}

.dropdown-footer {
  padding-top: 10px;
  margin-top: 10px;
  font-size: 13px;
  border-top: 1px solid $dropdown-divider-color;
}

.dropdown-due-date-footer {
  padding-top: 0;
  margin-left: 10px;
  margin-right: 10px;
  border-top: 0;
}

.dropdown-footer-list {
  font-size: 14px;

  a {
    cursor: pointer;
    padding-left: 10px;
  }
}

.dropdown-loading {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: none;
  z-index: 9;
  background-color: $dropdown-loading-bg;
  font-size: 28px;

  .fa {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -14px;
    margin-left: -14px;
  }
}

.dropdown-label-box {
  position: relative;
  top: 3px;
  margin-right: 5px;
  display: inline-block;
  width: 15px;
  height: 15px;
  border-radius: $border-radius-base;
}

.dropdown-menu-due-date {
  .dropdown-content {
    max-height: 230px;
  }

  .pika-single {
    position: relative !important;
    top: 0 !important;
    border: 0;
    box-shadow: none;
  }

  .pika-lendar {
    margin-top: -5px;
    margin-bottom: 0;
  }
}

.dropdown-menu-inner-title {
  display: block;
  color: $gl-text-color;
  font-weight: 600;
}

.dropdown-menu-inner-content {
  display: block;
  color: $gl-text-color-secondary;
}

.dropdown-toggle-text {
  &.is-default {
    color: $gl-text-color-secondary;
  }
}

.droplab-item-ignore {
  pointer-events: none;
}

.pika-single.animate-picker.is-bound,
.pika-single.animate-picker.is-bound.is-hidden {
  /*
   * Having `!important` is not recommended but
   * since `pikaday` sets positioning inline
   * there's no way it can be gracefully overridden
   * using config options.
   */
  position: absolute !important;
  display: block;
}

.pika-single.animate-picker.is-bound {
  @include set-visible;
}

.pika-single.animate-picker.is-bound.is-hidden {
  @include set-invisible;
  overflow: hidden;
}

// TODO: change global style and remove mixin
@mixin new-style-dropdown {
  .dropdown-menu,
  .dropdown-menu-nav {
    .divider {
      margin: 6px 0;
    }

    li {
      padding: 0 1px;

      &.dropdown-header {
        padding: 8px 16px;
      }

      a {
        border-radius: 0;
        padding: 8px 16px;

        &.is-focused,
        &:hover,
        &:active,
        &:focus {
          background-color: $gray-darker;
        }

        &.is-active {
          font-weight: inherit;

          &::before {
            top: 16px;
          }
        }
      }
    }

    &.dropdown-menu-selectable {
      li {
        a {
          padding: 8px 40px;

          &.is-active::before {
            left: 16px;
          }
        }
      }
    }
  }

  .dropdown-menu-align-right {
    margin-top: 2px;
  }
}