@import '../mixins/viewport';
@import '../icons/mixins';
@import '../colours/colours';

button,
input[type=submit],
.btn {
  &.btn-icon-left,
  &.btn-icon-right {
    &.btn-white:hover {
      .btn-icon {
        &:before {
          color: $white;
        }
      }
    }
    position: relative;
    span, i {
      font-size: inherit;
      vertical-align: super;
    }
    .btn-icon {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      pointer-events:none;
    }
  }
  @each $direction in ('left','right') {
    &.btn-icon-#{$direction} {

      padding-#{$direction}: 36px;
      .btn-icon {
        @include icon_size($size: 22px);
        #{$direction}: 15px;
      }
      &.btn-small {
        padding-#{$direction}: 31px;
        .btn-icon {
          @include icon_size($size: 16px);
          #{$direction}: 12px;
        }
      }
      &.btn-x-small {
        padding-#{$direction}: 27px;
        .btn-icon {
          @include icon_size($size: 14px);
          #{$direction}: 10px;
        }
      }
    }
  }
}

button,
input[type=submit],
.btn {
  $iconPadding: 5px;
  &.btn-facebook {
    width: auto;
    padding-left: calc(30px + #{$iconPadding});
    background: linear-gradient(#4c69ba, #3b55a0);
    color: $white;
    border-radius: 4px;
    span {
      font-family: Helvetica;
      font-size: 12px;
      font-weight: bold;
      letter-spacing: 1px;
    }
    .btn-icon, &.btn-x-small .btn-icon {
      left: $iconPadding;
    }
    &:hover {
      color: $white;
      background: linear-gradient(#5b7bd5, #4864b1);;
    }
    .btn-x-small {
      padding-left: calc(24px + #{$iconPadding});
      span {
        font-size: 11px;
      }
    }
  }
}