naive-ui/styles/Select.scss

@import './mixins/mixins.scss';
@import './theme/default.scss';

@include b(select) {
  display: inline-block;
  border: none;
  outline: none;
  width: 100%;
  color: $select-text-color;
  font-family: $default-font-family;
  text-align: start;
  cursor: pointer;
  .n-select-link {
    position: relative;
    box-shadow: none;
    &::after {
      transition: transform .3s $default-cubic-bezier, border-color .3s $default-cubic-bezier;
      position: absolute;
      content: '';
      width: 6px;
      height: 6px;
      border-left: 1px solid rgba(255, 255, 255, .4);
      border-bottom: 1px solid rgba(255, 255, 255, .4);
      right: 14px;
      top: calc(50% - 5px);
      transform: rotate(-45deg);
      transform-origin: 25% 75%;
    }
    .n-select-link__placeholder {
      position: absolute;
      left: 14px;
      top: 0;
      color: $select-placeholder-color;
      opacity: 1;
      &.n-select-link__placeholder--verbose-transition {
        transition: opacity .3s $slow-out-cubic-bezier;
      }
    }
    .n-select-link__label, .n-select-link__tags {
      position: relative;
      transition: box-shadow .3s $default-cubic-bezier, background-color .3s $default-cubic-bezier;
      box-sizing: border-box;
      border-radius: $select-border-radius;
      background-color: $select-background-color;
    }
    .n-select-link__label {
      display: flex;
      .n-select-link-label__placeholder {
        vertical-align: baseline;
        color: $select-placeholder-color;
        padding: 0 28px 0 14px;
      }
      .n-select-link-label__input {
        vertical-align: baseline;
        display: inline-block;
        border:none;
        width: 100%;
        cursor: pointer;
        background: transparent;
        outline: none;
        color: $select-text-color;
        padding: 0 28px 0 14px;
        &::placeholder {
          color: $select-placeholder-color;
        }
      }
    }
    .n-select-link__tags {
      padding: 4px 20px 0 14px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      .n-select-link__tag {
        box-sizing: border-box;
        position: relative;
        display: inline-block;
        border: 1px solid #63E2B7FF;
        color: #63E2B7FF;
        border-radius: 4px;
        margin-right: 7px;
        margin-bottom: 4px;
        font-size: 14px;
        .n-select-link-tag__content  {
          transform: translateY(-1px);
        }
        .n-select-link-tag__icon {
          position: absolute;
          right: 4px;
          top: 50%;
          transform: translateY(-50%);
          i::before {
            color: #63E2B7FF;
          }
        }
        /**
        * transition of tag in tags
        */
        &.n-select-menu__tags--transition-enter, &.n-select-menu__tags--transition-leave-to {
          opacity: 0!important;
        }
        &.n-select-menu__tags--transition-enter-active {
          transition: opacity .3s $default-cubic-bezier;
          opacity: 1;
        }
        &.n-select-menu__tags--transition-leave-active {
          transition: opacity .3s $default-cubic-bezier;
          opacity: 1;
          // transition: opacity 3s $default-cubic-bezier;
          position: absolute!important;
          transform: translateY(0)!important;
          top: 4px!important;
        }
        &.n-select-menu__tags--transition-move {
          transition: transform .3s $default-cubic-bezier;
        }
      }
    }
    &:hover {
      .n-select-link__label, .n-select-link__tags {
        box-shadow: inset 0 0 0 1px $select-border-color--active;
      }
    }
    &.n-select-link--selected {
      .n-select-link__placeholder {
        opacity: 0;
        &.n-select-link__placeholder--verbose-transition {
          transition: opacity .3s $fast-in-cubic-bezier;
        }
      }
    }
    &.n-select-link--active {
      &::after {
        transform: rotate(135deg);
        border-left: 1px solid #63E2B7FF;
        border-bottom: 1px solid #63E2B7FF;
      }
      .n-select-link__label, .n-select-link__tags {
        box-shadow: inset 0 0 0 1px $select-border-color--active, 0px 0px 10px 1px #366555;
        background-color: $select-background-color--active;
      }
    }
  }
  &.n-select--small-size {
    font-size: 13px;
    .n-select-link {
      .n-select-link__placeholder {
        height: $small-height;
        line-height: $small-height;
      }
      .n-select-link__tags {
        min-height: $small-height;
        .n-select-link__tag {
          padding: 0px 20px 0 7px;
          height: 20px;
          line-height: 20px;
        }
      }
      .n-select-link__label {
        height: $small-height;
        line-height: $small-height;
        .n-select-lint-label__input {
          height: $small-height;
          line-height: $small-height;
        }
      }
    }
  }
  &.n-select--default-size, &.n-select--medium-size {
    font-size: 14px;
    .n-select-link {
      .n-select-link__placeholder {
        height: $default-height;
        line-height: $default-height;
      }
      .n-select-link__tags {
        min-height: $default-height;
        .n-select-link__tag {
          padding: 0px 20px 0 7px;
          height: 26px;
          line-height: 26px;
        }
      }
      .n-select-link__label {
        height: $default-height;
        line-height: $default-height;
        .n-select-lint-label__input {
          height: $default-height;
          line-height: $default-height;
        }
      }
      
    }
  }
  &.n-select--large-size {
    .n-select-link__placeholder {
      height: $large-height;
      line-height: $large-height;
    }
    .n-select-link__tags {
      min-height: 32px;
      .n-select-link__tag {
        padding: 0px 20px 0 7px;
        height: 32px;
        line-height: 32px;
      }
    }
    .n-select-link {
      .n-select-link__label{
        height: $large-height;
        line-height: $large-height;
        .n-select-lint-label__input {
          height: $large-height;
          line-height: $large-height;
        }
      }
    } 
  }
}

.n-select-menu__content-wrapper {
  @include detachedContentWrapper;
  transform: translateZ(0);
  .n-select-menu__content {
    @include detachedContent;
    margin-top: 4px;
    .n-select-menu {
      z-index: 0;
      position: relative;
      overflow-x: hidden;
      overflow-y: auto;
      border-radius: 9px;
      background-color: rgba(75, 81, 106, 1);
      box-shadow: 0px 2px 20px 0px rgba(0,0,0,0.16);
      @include scrollbar;
      .n-select-menu__item {
        position: relative;
        padding: 0px 14px;
        &.n-select-menu__item--selected {
          color: #63E2B7FF;
        }
        &.n-select-menu__item--not-found {
          color: rgba(255, 255, 255, .5);
          text-align: center;
        }
      }
      .n-select-menu__light-bar {
        position: absolute;
        width:100%;
        background-color: rgba(96, 220, 178, 0.3);
        top: 0;
        left: 0;
        transition: top .3s $default-cubic-bezier;
      }
      &.n-select-menu--small-size {
        max-height: $small-height * 8;
        .n-select-menu__item, .n-select-menu__light-bar {
          height: $small-height;
          line-height: $small-height;
        }
      }
      &.n-select-menu--default-size, &.n-select-menu--medium-size {
        max-height: $default-height * 8;
        .n-select-menu__item, .n-select-menu__light-bar {
          height: $default-height;
          line-height: $default-height;
        }
      }
      &.n-select-menu--large-size {
        .n-select-menu__item, .n-select-menu__light-bar {
          height: $large-height;
          line-height: $large-height;
        }
        max-height: $large-height * 8;
      }
      &.n-select-menu--multiple {
        .n-select-menu__item {
          position: relative;
          transition: color .3s $default-cubic-bezier;
          &::after {
            content: '';
            height: 6px;
            width: 3px;
            border-right: 1px solid #63E2B7FF;
            border-bottom: 1px solid #63E2B7FF;
            position: absolute;
            right: 14px;
            transform: rotate(45deg) scale(.5);
            top: calc(50% - 4px);
            opacity: 0;
            transition: transform .3s $default-cubic-bezier, opacity .3s $default-cubic-bezier;
          }
          &.n-select-menu__item--selected, &:active {
            background: none;
            &::after {
              opacity: 1;
              transform: rotate(45deg) scale(1);
            }
          }
          &:active {
            color: #63E2B7FF;
          }
        }
      }
      
    }
    /** transition of menu */
    .n-select-menu--transition-enter-active {
      transition: opacity .3s $fast-in-cubic-bezier, transform .3s $fast-in-cubic-bezier;
    }
    .n-select-menu--transition-leave-active {
      transition: opacity .3s $slow-out-cubic-bezier, transform .3s $slow-out-cubic-bezier;
    }
    .n-select-menu--transition-enter, .n-select-menu--transition-leave-to {
      opacity: 0;
      transform: translateY(4px);
    }
    /** transition of menu light bar */
    .n-select-menu__light-bar--transition-enter-active {
      transition: opacity .15s $fast-in-cubic-bezier, top .3s $default-cubic-bezier!important;
    }
    .n-select-menu__light-bar--transition-leave-active {
      transition: opacity .15s $slow-out-cubic-bezier, top .3s $default-cubic-bezier!important;
    }
    .n-select-menu__light-bar--transition-enter, .n-select-menu__light-bar--transition-leave-to {
      opacity: 0;
    }    
  }
}