netbox-community-netbox/netbox/project-static/styles/overrides/_slim-select.scss

// SlimSelect Style Overrides.

$height: $input-height;
$white: $white;
$font-color: $input-color;
$font-placeholder-color: $input-placeholder-color;
$font-disabled-color: $form-select-disabled-color;
$primary-color: $primary;
$border-color: $form-select-border-color;
$search-highlight-color: $yellow;
$border-radius: $form-select-border-radius;
$spacing-l: $input-padding-x;
$spacing-m: $input-padding-x;
$spacing-s: $input-padding-x;

:root {
  // Light Mode Variables.
  --nbx-select-content-bg: #{$form-select-bg};
  --nbx-select-option-selected-bg: #{$gray-300};
  --nbx-select-option-hover-bg: #{$blue};
  --nbx-select-option-hover-color: #{$white};
  --nbx-select-placeholder-color: #{$gray-500};
  --nbx-select-value-color: #{$white};
  &[data-netbox-color-mode='dark'] {
    // Dark Mode Variables.
    --nbx-select-content-bg: #{$gray-900};
    --nbx-select-option-selected-bg: #{$gray-500};
    --nbx-select-option-hover-bg: #{$blue-200};
    --nbx-select-option-hover-color: #{color-contrast($blue-200)};
    --nbx-select-placeholder-color: #{$gray-700};
    --nbx-select-value-color: #{$black};
  }
}

@import '../node_modules/slim-select/src/slim-select/slimselect';

.ss-main {
  color: $form-select-color;

  &.is-invalid .ss-single-selected,
  &.is-invalid .ss-multi-selected {
    border-color: $form-feedback-icon-invalid-color;
  }

  &.is-valid .ss-single-selected,
  &.is-valid .ss-multi-selected {
    border-color: $form-feedback-icon-valid-color;
  }

  .ss-single-selected,
  .ss-multi-selected {
    padding: $form-select-padding-y $input-padding-x $form-select-padding-y $form-select-padding-x;
    background-color: $form-select-bg;
    border: $form-select-border-width solid $input-border-color;
    &[disabled] {
      color: $form-select-disabled-color;
      background-color: $form-select-disabled-bg;
      border-color: $form-select-disabled-border-color;
    }
  }

  div.ss-multi-selected .ss-values .ss-disabled,
  div.ss-single-selected span.placeholder .ss-disabled {
    color: var(--nbx-select-placeholder-color);
  }

  .ss-single-selected {
    span.ss-arrow {
      // Inherit the arrow color from the parent (see color selector).
      span.arrow-down,
      span.arrow-up {
        border-color: currentColor;
        color: $text-muted;
      }
    }
    // Don't show the depth indicator outside of the menu.
    .placeholder .depth {
      display: none;
    }
    span.placeholder > *,
    span.placeholder {
      line-height: $input-line-height;
    }
  }

  .ss-multi-selected {
    align-items: center;
    padding-right: $input-padding-x;
    padding-left: $input-padding-x;

    .ss-values {
      .ss-disabled {
        padding: 4px 0;
      }
      .ss-value {
        color: var(--nbx-select-value-color);
        border-radius: $badge-border-radius;

        // Don't show the depth indicator outside of the menu.
        .depth {
          display: none;
        }
      }
    }
    .ss-add {
      margin: 0 0.75rem;
    }
  }

  .ss-content {
    background-color: var(--nbx-select-content-bg);
    .ss-list {
      .ss-option {
        &.ss-option-selected {
          color: $body-color;
          background-color: var(--nbx-select-option-selected-bg);
        }

        &:hover {
          color: var(--nbx-select-option-hover-color);
          background-color: var(--nbx-select-option-hover-bg);
        }

        &:last-child {
          border-bottom-right-radius: $form-select-border-radius;
          border-bottom-left-radius: $form-select-border-radius;
        }

        &.ss-disabled {
          background-color: unset;
          &:hover {
            color: $form-select-disabled-color;
          }
        }

        .depth {
          // Lighten the dash prefix on nested options.
          opacity: 0.3;
        }
      }

      &::-webkit-scrollbar {
        right: 0;
        width: 4px;
        &:hover {
          opacity: 0.8;
        }
      }

      &::-webkit-scrollbar-track {
        background: transparent;
      }

      &::-webkit-scrollbar-thumb {
        right: 0;
        width: 2px;
        background-color: var(--nbx-sidebar-scroll);
      }
    }
    border-bottom-right-radius: $form-select-border-radius;
    border-bottom-left-radius: $form-select-border-radius;
    .ss-search {
      padding-right: $spacer * 0.5;

      button {
        margin-left: $spacer * 0.75;
      }

      input[type='search'] {
        color: $input-color;
        background-color: $form-select-bg;
        border: $input-border-width solid $input-border-color;
        &:focus {
          border-color: $form-select-focus-border-color;
          outline: 0;
          @if $enable-shadows {
            @include box-shadow($form-select-box-shadow, $form-select-focus-box-shadow);
          } @else {
            // Avoid using mixin so we can pass custom focus shadow properly
            box-shadow: $form-select-focus-box-shadow;
          }
        }
      }
    }
  }
}

// Fix slim-select 1.x placeholder styling
.ss-main {
	.ss-single-selected {
		.placeholder {
			cursor: pointer;
			opacity: 1;
			background-color: transparent !important;
		}
	}
}