excalidraw/packages/excalidraw/components/LibraryUnit.scss

@import "../css/variables.module.scss";

.excalidraw {
  .library-unit {
    align-items: center;
    border: 1px solid transparent;
    display: flex;
    justify-content: center;
    position: relative;
    width: 55px;
    height: 55px;
    box-sizing: border-box;
    border-radius: var(--border-radius-lg);

    svg {
      // to prevent clicks on links and such
      pointer-events: none;
    }

    &--hover {
      border-color: var(--color-primary);
    }

    &--selected {
      border-color: var(--color-primary);
      border-width: 1px;
    }

    &--skeleton {
      opacity: 0.5;
      background: linear-gradient(
        -45deg,
        var(--color-gray-10),
        var(--color-gray-20),
        var(--color-gray-10)
      );
      background-size: 200% 200%;
      animation: library-unit__skeleton-opacity-animation 0.2s linear;
    }
  }

  &.theme--dark .library-unit--skeleton {
    background-image: linear-gradient(
      -45deg,
      var(--color-gray-100),
      var(--color-gray-80),
      var(--color-gray-100)
    );
  }

  .library-unit__dragger {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
  }

  .library-unit__dragger > svg {
    filter: var(--theme-filter);
    flex-grow: 1;
    max-height: 100%;
    max-width: 100%;
  }

  .library-unit__checkbox-container,
  .library-unit__checkbox-container:hover,
  .library-unit__checkbox-container:active {
    align-items: center;
    background: none;
    border: none;
    color: var(--icon-fill-color);
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0.5rem;
    position: absolute;
    left: 2rem;
    bottom: 2rem;
    cursor: pointer;

    input {
      cursor: pointer;
    }
  }

  .library-unit__checkbox {
    position: absolute;
    top: 0.125rem;
    right: 0.125rem;
    margin: 0;

    .Checkbox-box {
      margin: 0;
      width: 1rem;
      height: 1rem;
      border-radius: 4px;
      background-color: var(--color-primary-light);
      border: 1px solid var(--color-primary);
      box-shadow: none !important;
      padding: 2px;
    }

    &.Checkbox:hover {
      .Checkbox-box {
        background-color: var(--color-primary-light);
      }
    }

    &.is-checked {
      .Checkbox-box {
        background-color: var(--color-primary) !important;

        svg {
          color: var(--color-primary-light);
        }
      }
    }
  }

  .library-unit__removeFromLibrary > svg {
    height: 16px;
    width: 16px;
  }

  .library-unit__adder {
    transform: scale(1);
    animation: library-unit__adder-animation 1s ease-in infinite;

    position: absolute;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-md);

    display: flex;
    justify-content: center;
    align-items: center;

    pointer-events: none;

    svg {
      color: var(--color-primary-light);
      width: 1rem;
      height: 1rem;
    }
  }

  .library-unit:active .library-unit__adder {
    animation: none;
    transform: scale(0.8);
  }

  .library-unit__active {
    cursor: pointer;
  }

  @keyframes library-unit__adder-animation {
    0% {
      transform: scale(0.85);
    }

    50% {
      transform: scale(1);
    }

    100% {
      transform: scale(0.85);
    }
  }

  @keyframes library-unit__skeleton-opacity-animation {
    0% {
      opacity: 0;
    }

    75% {
      opacity: 0;
    }

    100% {
      opacity: 0.5;
    }
  }
}