@import '../style/var';

.queens-button {
  position: relative;
  display: inline-block;
  box-sizing: border-box;
  height: @button-default-height;
  margin: 0;
  padding: 0;
  font-size: @button-default-font-size;
  line-height: @button-default-line-height;
  text-align: center;
  border-radius: @button-border-radius;
  cursor: pointer;
  transition: opacity @animation-duration-fast;
  appearance: none;

  &::before {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background-color: @black;
    border: inherit;
    border-color: @black;
    border-radius: inherit;
    /* inherit parent's border radius */
    transform: translate(-50%, -50%);
    opacity: 0;
    content: ' ';
  }

  &:active::before {
    opacity: 0.1;
  }

  &:not(:last-child) {
    margin-right: 16px;
  }

  &--loading,
  &--disabled {
    &::before {
      display: none;
    }
  }

  &--default {
    color: @button-default-color;
    background-color: @button-default-background-color;
    border: @button-border-width solid @button-default-border-color;
  }

  &--primary {
    color: @button-primary-color;
    background-color: @button-primary-background-color;
    border: @button-border-width solid @button-primary-border-color;
  }

  &--info {
    color: @button-info-color;
    background-color: @button-info-background-color;
    border: @button-border-width solid @button-info-border-color;
  }

  &--danger {
    color: @button-danger-color;
    background-color: @button-danger-background-color;
    border: @button-border-width solid @button-danger-border-color;
  }

  &--warning {
    color: @button-warning-color;
    background-color: @button-warning-background-color;
    border: @button-border-width solid @button-warning-border-color;
  }

  &--plain {
    background-color: @button-plain-background-color;

    &.queens-button--primary {
      color: @button-primary-background-color;
    }

    &.queens-button--info {
      color: @button-info-background-color;
    }

    &.queens-button--danger {
      color: @button-danger-background-color;
    }

    &.queens-button--warning {
      color: @button-warning-background-color;
    }
  }

  &--large {
    width: 100%;
    height: @button-large-height;
    font-weight: @font-weight-bold;
  }

  &--normal {
    padding: 0 15px;
    font-size: @button-normal-font-size;
  }

  &--small {
    height: @button-small-height;
    padding: 0 @padding-xs;
    font-size: @button-small-font-size;
  }

  &__loading {
    color: inherit;
    font-size: inherit;
  }

  &--mini {
    height: @button-mini-height;
    padding: 0 @padding-base;
    font-size: @button-mini-font-size;

    &+.queens-button--mini {
      margin-left: @padding-base;
    }
  }

  &--block {
    display: block;
    width: 100%;
  }

  &--disabled {
    cursor: not-allowed;
    opacity: @button-disabled-opacity;
  }

  &--loading {
    cursor: default;
  }

  &--round {
    border-radius: @button-round-border-radius;
  }

  &--square {
    border-radius: 0;
  }

  // align-items are ignored when flex container is a button in legacy safari
  // see: https://bugs.webkit.org/show_bug.cgi?id=169700
  &__content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
  }

  &__icon {
    min-width: 1em;
    font-size: 1.2em;
    line-height: inherit;
  }

  &__icon+&__text,
  &__loading+&__text {
    margin-left: 5px;
  }

  &--hairline {
    border-width: 0;

    &::after {
      border-color: inherit;
      border-radius: @button-border-radius * 2;
    }

    &.queens-button--round::after {
      border-radius: @button-round-border-radius;
    }

    &.queens-button--square::after {
      border-radius: 0;
    }
  }

  .queens-loading {
    position: relative;
    vertical-align: middle;
    margin-right: 4px;
    .queens-loading__spinner {
      position: relative;
      display: inline-block;
      width: 30px;
      max-width: 100%;
      height: 30px;
      max-height: 100%;
      vertical-align: middle;
      animation: queens-rotate 0.8s linear infinite;
    }
    .queens-loading__circular{
      display: block;
      width: 100%;
      height: 100%;
      circle {
        animation: queens-circular 1.5s ease-in-out infinite;
        stroke: currentColor;
        stroke-width: 3;
        stroke-linecap: round;
      }
    }
  }
}

@keyframes queens-rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes queens-circular {
  0% {
    stroke-dasharray: 1, 200;
    stroke-dashoffset: 0;
  }

  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -40;
  }

  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -120;
  }
}