htwkalender-pwa/frontend/public/primevue-sass-theme/theme-base/components/input/_checkbox.scss

// core
.p-checkbox {
  position: relative;
  display: inline-flex;
  user-select: none;
  vertical-align: bottom;
}

.p-checkbox-input {
  cursor: pointer;
}

.p-checkbox-box {
  display: flex;
  justify-content: center;
  align-items: center;
}

// theme
.p-checkbox {
  width: $checkboxWidth;
  height: $checkboxHeight;

  .p-checkbox-input {
    appearance: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    opacity: 0;
    z-index: 1;
    outline: 0 none;
    border: $checkboxBorder;
    border-radius: $borderRadius;
  }

  .p-checkbox-box {
    border: $checkboxBorder;
    background: $inputBg;
    width: $checkboxWidth;
    height: $checkboxHeight;
    color: $textColor;
    border-radius: $borderRadius;
    transition: $formElementTransition;
    outline-color: transparent;

    .p-checkbox-icon {
      transition-duration: $transitionDuration;
      color: $checkboxIconActiveColor;
      font-size: $checkboxIconFontSize;

      &.p-icon {
        width: $checkboxIconFontSize;
        height: $checkboxIconFontSize;
      }
    }
  }

  &.p-highlight {
    .p-checkbox-box {
      border-color: $checkboxActiveBorderColor;
      background: $checkboxActiveBg;
    }
  }

  &:not(.p-disabled) {
    &:has(.p-checkbox-input:hover) {
      .p-checkbox-box {
        border-color: $inputHoverBorderColor;
      }

      &.p-highlight {
        .p-checkbox-box {
          border-color: $checkboxActiveHoverBorderColor;
          background: $checkboxActiveHoverBg;
          color: $checkboxIconActiveHoverColor;
        }
      }
    }

    &:has(.p-checkbox-input:focus-visible) {
      .p-checkbox-box {
        @include focused-input();
      }
    }
  }

  &.p-invalid > .p-checkbox-box {
    @include invalid-input();
  }

  &.p-variant-filled {
    .p-checkbox-box {
      background-color: $inputFilledBg;
    }

    &.p-highlight {
      .p-checkbox-box {
        background: $checkboxActiveBg;
      }
    }

    &:not(.p-disabled) {
      &:has(.p-checkbox-input:hover) {
        .p-checkbox-box {
          background-color: $inputFilledHoverBg;
        }

        &.p-highlight {
          .p-checkbox-box {
            background: $checkboxActiveHoverBg;
          }
        }
      }
    }
  }
}

.p-input-filled {
  .p-checkbox {
    .p-checkbox-box {
      background-color: $inputFilledBg;
    }

    &.p-highlight {
      .p-checkbox-box {
        background: $checkboxActiveBg;
      }
    }

    &:not(.p-disabled) {
      &:has(.p-checkbox-input:hover) {
        .p-checkbox-box {
          background-color: $inputFilledHoverBg;
        }

        &.p-highlight {
          .p-checkbox-box {
            background: $checkboxActiveHoverBg;
          }
        }
      }
    }
  }
}

@if ($highlightBg == $checkboxActiveBg) {
  .p-highlight {
    .p-checkbox {
      .p-checkbox-box {
        border-color: $checkboxIconActiveColor;
      }
    }
  }
}