@button-font-size: @global-small-font-size;
@button-small-font-size: @global-xsmall-font-size;
@button-large-font-size: @global-font-size;
@button-font-weight: 600;
@button-border-width: @global-border-width;
@button-text-transform: uppercase;
@button-border-radius: 500px;
@button-shadow: @global-medium-box-shadow;
@button-hover-shadow: @global-small-box-shadow;
@button-active-shadow: @button-hover-shadow;

/* Default */
@button-default-background: @global-background;
@button-default-color: @global-color;
@button-default-box-shadow: @global-medium-box-shadow;
@button-default-border: transparent;
@button-default-hover-background: @global-background;
@button-default-hover-color: @button-shadow;
@button-default-hover-box-shadow: @button-hover-shadow;
@button-default-hover-border: transparent;
@button-default-active-background: @button-default-hover-background;
@button-default-active-color: @button-default-hover-color;
@button-default-active-box-shadow: @button-active-shadow;
@button-default-active-border: @button-default-hover-border;

/* Primary */
@button-primary-background: @global-primary-background;
@button-primary-background-gradient: @global-primary-gradient;
@button-primary-color: @global-inverse-color;
@button-primary-box-shadow: @button-shadow;
@button-primary-border: transparent;
@button-primary-hover-background: @global-secondary-background;
@button-primary-hover-background-gradient: none;
@button-primary-hover-color: @global-inverse-color;
@button-primary-hover-box-shadow: @button-hover-shadow;
@button-primary-hover-border: transparent;
@button-primary-active-background: @button-primary-hover-background;
@button-primary-active-background-gradient: @button-primary-hover-background-gradient;
@button-primary-active-color: @button-primary-hover-color;
@button-primary-active-box-shadow: @button-active-shadow;
@button-primary-active-border: @button-primary-hover-border;

/* Secondary */
@button-secondary-background: @global-background;
@button-secondary-background-gradient: none;
@button-secondary-color: @global-primary-background;
@button-secondary-box-shadow: @button-shadow;
@button-secondary-border: @global-primary-background;
@button-secondary-hover-background: @global-primary-background;
@button-secondary-hover-background-gradient: @global-primary-gradient;
@button-secondary-hover-color: @global-inverse-color;
@button-secondary-hover-box-shadow: @button-hover-shadow;
@button-secondary-hover-border: transparent;
@button-secondary-active-background: @button-secondary-hover-background;
@button-secondary-active-background-gradient: @button-secondary-hover-background-gradient;
@button-secondary-active-color: @button-secondary-hover-color;
@button-secondary-active-box-shadow: @button-active-shadow;
@button-secondary-active-border: @button-secondary-hover-border;

/* Danger */
@button-danger-background: @global-danger-background;
@button-danger-background-gradient: none;
@button-danger-color: @global-inverse-color;
@button-danger-box-shadow: @button-shadow;
@button-danger-border: @global-danger-background;
@button-danger-hover-background: @global-background;
@button-danger-hover-background-gradient: none;
@button-danger-hover-color: @global-danger-background;
@button-danger-hover-box-shadow: @button-hover-shadow;
@button-danger-hover-border: @global-danger-background;
@button-danger-active-background: @button-danger-hover-background;
@button-danger-active-background-gradient: @button-danger-hover-background-gradient;
@button-danger-active-color: @button-danger-hover-color;
@button-danger-active-box-shadow: @button-active-shadow;
@button-danger-active-border: @button-danger-hover-border;

/* Text */
@button-text-color: @global-primary-background;
@button-text-hover-color: @button-text-color;

/* Link */
@button-link-color: @openaire-primary-color;
@button-link-hover-color: @openaire-secondary-color;

/* Disabled */
@button-disabled-box-shadow: none;
@button-disabled-border: @global-border;

.hook-button() {
  font-weight: @button-font-weight;
  text-transform: @button-text-transform;
  border-radius: @button-border-radius;
}

/* Default */
.hook-button-default() {
  box-shadow: @button-default-box-shadow;
  border: @button-border-width solid @button-default-border;
  background-origin: border-box;
}

.hook-button-default-hover() {
  box-shadow: @button-default-hover-box-shadow;
  border: @button-border-width solid @button-default-hover-border;
}

.hook-button-default-active() {
  box-shadow: @button-default-active-box-shadow;
  border: @button-border-width solid @button-default-active-border;
}

/* Primary */
.hook-button-primary() {
  box-shadow: @button-primary-box-shadow;
  border: @button-border-width solid @button-primary-border;
  background-image: @button-primary-background-gradient;
  background-origin: border-box;
}

.hook-button-primary-hover() {
  box-shadow: @button-primary-hover-box-shadow;
  border: @button-border-width solid @button-primary-hover-border;
  background-image: @button-primary-hover-background-gradient;
}

.hook-button-primary-active() {
  box-shadow: @button-primary-active-box-shadow;
  border: @button-border-width solid @button-primary-active-border;
  background-image: @button-primary-active-background-gradient;
}

/* Secondary */
.hook-button-secondary() {
  box-shadow: @button-secondary-box-shadow;
  border: @button-border-width solid @button-secondary-border;
  background-image: @button-secondary-background-gradient;
  background-origin: border-box;
}

.hook-button-secondary-hover() {
  box-shadow: @button-secondary-hover-box-shadow;
  border: @button-border-width solid @button-secondary-hover-border;
  background-image: @button-secondary-hover-background-gradient;
}

.hook-button-secondary-active() {
  box-shadow: @button-secondary-active-box-shadow;
  border: @button-border-width solid @button-secondary-active-border;
  background-image: @button-secondary-active-background-gradient;
}

/* Danger */
.hook-button-danger() {
  box-shadow: @button-danger-box-shadow;
  border: @button-border-width solid @button-danger-border;
  background-image: @button-danger-background-gradient;
  background-origin: border-box;
}

.hook-button-danger-hover() {
  box-shadow: @button-danger-hover-box-shadow;
  border: @button-border-width solid @button-danger-hover-border;
  background-image: @button-danger-hover-background-gradient;
}

.hook-button-danger-active() {
  box-shadow: @button-danger-active-box-shadow;
  border: @button-border-width solid @button-danger-active-border;
  background-image: @button-danger-active-background-gradient;
}


/* Text */
.hook-button-text() {
  padding: 0 1.5*1.42em 0 0;
  border-radius: 0;
  position: relative;

  &::before {
    content: '\f1df';
    font-family: "Material Icons Round";
    font-size: 1.42em;
    position: absolute;
    transform: translateY(-50%);
    top: 50%;
    right: 0;
    transition: right linear 0.2s;
  }

  &:hover::before {
    right: -0.25em;
  }
}

/* Link */
.hook-button-link() {
  border-radius: 0;
}

/* Disable */
.hook-button-disabled() {
  box-shadow: @button-disabled-box-shadow;
  border: @button-border-width solid @button-disabled-border;
  background-image: none;
}

.hook-button-misc() {
  a:hover {
    & .uk-button-default:extend(.uk-button-default:hover){};
    & .uk-button-primary:extend(.uk-button-primary:hover){};
    & .uk-button-secondary:extend(.uk-button-secondary:hover){};
  }
}

/* Inverse */
@inverse-button-box-shadow: @inverse-global-medium-box-shadow;
@inverse-button-hover-box-shadow: @inverse-global-small-box-shadow;
@inverse-button-active-box-shadow: @inverse-button-hover-box-shadow;

/* Default */
@inverse-button-default-background: @global-background;
@inverse-button-default-color: @global-color;
@inverse-button-default-box-shadow: @inverse-button-box-shadow;
@inverse-button-default-border: transparent;
@inverse-button-default-hover-background: @global-background;
@inverse-button-default-hover-color: @global-secondary-background;
@inverse-button-default-hover-box-shadow: @inverse-button-hover-box-shadow;
@inverse-button-default-hover-border: transparent;
@inverse-button-default-active-background: @global-background;
@inverse-button-default-active-color: @global-secondary-background;
@inverse-button-default-active-box-shadow: @inverse-button-active-box-shadow;
@inverse-button-default-active-border: transparent;

/* Primary */
@inverse-button-primary-background: @button-primary-background;
@inverse-button-primary-background-gradient: @button-primary-background-gradient;
@inverse-button-primary-color: @button-primary-color;
@inverse-button-primary-box-shadow: @inverse-button-box-shadow;
@inverse-button-primary-border: @button-primary-border;
@inverse-button-primary-hover-background: @button-primary-hover-background;
@inverse-button-primary-hover-background-gradient: @button-primary-hover-background-gradient;
@inverse-button-primary-hover-color: @button-primary-hover-color;
@inverse-button-primary-hover-box-shadow: @inverse-button-hover-box-shadow;
@inverse-button-primary-hover-border: @button-primary-hover-border;
@inverse-button-primary-active-background: @button-primary-active-background;
@inverse-button-primary-active-background-gradient: @button-primary-active-background-gradient;
@inverse-button-primary-active-color: @button-primary-active-color;
@inverse-button-primary-active-box-shadow: @inverse-button-active-box-shadow;
@inverse-button-primary-active-border: @button-primary-active-border;

/* Secondary */
@inverse-button-secondary-background: @global-background;
@inverse-button-secondary-background-gradient: none;
@inverse-button-secondary-color: @button-secondary-color;
@inverse-button-secondary-box-shadow: @inverse-button-box-shadow;
@inverse-button-secondary-border: @button-secondary-border;
@inverse-button-secondary-hover-background: @button-secondary-hover-background;
@inverse-button-secondary-hover-background-gradient: @button-secondary-hover-background-gradient;
@inverse-button-secondary-hover-color: @button-secondary-hover-color;
@inverse-button-secondary-hover-box-shadow: @inverse-button-hover-box-shadow;
@inverse-button-secondary-hover-border: @button-secondary-hover-border;
@inverse-button-secondary-active-background: @button-secondary-active-background;
@inverse-button-secondary-active-background-gradient: @button-secondary-active-background-gradient;
@inverse-button-secondary-active-color: @button-secondary-active-color;
@inverse-button-secondary-active-box-shadow: @inverse-button-active-box-shadow;
@inverse-button-secondary-active-border: transparent;

/* Danger */
@inverse-button-danger-box-shadow: @inverse-button-box-shadow;
@inverse-button-danger-hover-box-shadow: @button-secondary-hover-background;
@inverse-button-danger-active-box-shadow: @inverse-button-active-box-shadow;

/* Text */
@inverse-button-text-color: @global-inverse-color;
@inverse-button-text-hover-color: @inverse-button-text-color;

/* Link */
@inverse-button-link-color: @global-inverse-color;
@inverse-button-link-hover-color: @global-inverse-color;
@inverse-button-link-hover-text-transform: underline;

/* Disabled */
@inverse-button-disabled-background: @global-inverse-color;
@inverse-button-disabled-box-shadow: none;
@inverse-button-disabled-border: @global-inverse-color;
@inverse-button-disabled-color: @global-muted-color;


/* Default */
.hook-inverse-button-default() {
  border-color: @inverse-button-default-border;
  background-origin: border-box;
}

.hook-inverse-button-default-hover() {
  border-color: @inverse-button-default-hover-border;
}

.hook-inverse-button-default-active() {
  box-shadow: @inverse-button-default-active-box-shadow;
  border-color: @inverse-button-default-active-border;
}

/* Primary */
.hook-inverse-button-primary() {
  border-color: @inverse-button-primary-border;
  background-image: @inverse-button-primary-background-gradient;
  background-origin: border-box;
}

.hook-inverse-button-primary-hover() {
  border-color: @inverse-button-primary-hover-border;
  background-image: @inverse-button-primary-hover-background-gradient;
}

.hook-inverse-button-primary-active() {
  border-color: @inverse-button-primary-active-border;
  background-image: @inverse-button-primary-active-background-gradient;
}

/* Secondary */
.hook-inverse-button-secondary() {
  border-color: @inverse-button-secondary-border;
  background-image: @inverse-button-secondary-background-gradient;
  background-origin: border-box;
}

.hook-inverse-button-secondary-hover() {
  border-color: @inverse-button-secondary-hover-border;
  background-image: @inverse-button-secondary-hover-background-gradient;
}

.hook-inverse-button-secondary-active() {
  border-color: @inverse-button-secondary-active-border;
  background-image: @inverse-button-secondary-active-background-gradient;
}

.hook-inverse-misc() {
  
  /* Default */
  .uk-button-default {
    box-shadow: @inverse-button-default-box-shadow;
    
    &:hover {
      box-shadow: @inverse-button-default-hover-box-shadow;
    }
    
    &:active {
      box-shadow: @inverse-button-default-active-box-shadow;
    }
  }

  /* Primary */
  .uk-button-primary {
    box-shadow: @inverse-button-primary-box-shadow;

    &:hover {
      box-shadow: @inverse-button-primary-hover-box-shadow;
    }

    &:active {
      box-shadow: @inverse-button-primary-active-box-shadow;
    }
  }

  /* Secondary */
  .uk-button-secondary {
    box-shadow: @inverse-button-secondary-box-shadow;

    &:hover {
      box-shadow: @inverse-button-secondary-hover-box-shadow;
    }

    &:active {
      box-shadow: @inverse-button-secondary-active-box-shadow;
    }
  }

  /* Danger */
  .uk-button-danger {
    box-shadow: @inverse-button-danger-box-shadow;

    &:hover {
      box-shadow: @inverse-button-danger-hover-box-shadow;
    }

    &:active {
      box-shadow: @inverse-button-danger-active-box-shadow;
    }
  }

  /* Disable */
  .uk-button:disabled {
    border-color: @inverse-button-disabled-border;
    background-image: none;
    background-color: @inverse-button-disabled-background;
    color: @inverse-button-disabled-color;
    box-shadow: @inverse-button-disabled-box-shadow;
  }
}