Materarbeit button styling

buttons.scss

// default abtract btn definition
%btn {
  font-family: 'Logical-Regular';
  width: fit-content;
  height: fit-content;
  padding: 4px 18px; // -2px for the border
  border-radius: var(--radius-m);
  transition: filter 0.3s ease-in-out, background-color 0.3s ease-in-out, color 0.3s ease-in-out;
  border: 2px solid transparent;

  /** Default layout */
  display: flex;
  align-items: center;

  /** state in which the button is already clicked or pressed and the action should not be done again */
  &.activated {
    color: var(--color-activated, inherit);
    border-color: var(--border-color-activated, inherit);
    background-color: var(--bg-color-activated, transparent);
  }

  &:not(.activated):disabled,
  &:not(.activated).disabled {
    cursor: default;
    filter: opacity(0.5);
  }

  &:not(:disabled, .disabled, .activated) {
    cursor: pointer;

    &:hover,
    &:focus {
      color: var(--color-hover);
      background-color: var(--bg-color-hover);
    }
  }
}

// Practical definition of the buttons
.btn {
  &-neutral {
    @extend %btn;
    border: 0;
    padding: 0;
    color: inherit;
    background-color: inherit;
  }

  &-primary {
    @extend %btn;
    color: var(--text-color);
    background-color: var(--es-blue-dark);
    --bg-color-hover: var(--es-blue-light);

    --color-activated: var(--es-blue-light);
    --border-color-activated: var(--es-blue-light);
  }

  &-secondary {
    @extend %btn;
    color: var(--text-color);
    background-color: var(--es-dark);
    --color-hover: var(--text-color);
    --bg-color-hover: var(--es-black-dark);

    --color-activated: var(--grey-secondary);
    --border-color-activated: var(--es-dark);
  }

  &-tertiary {
    @extend %btn;
    color: var(--bg-color);
    background-color: var(--text-color);
    --color-hover: white;
    --bg-color-hover: var(--es-dark);

    --color-activated: var(--text-color);
  }
}