@import '../../styles/common';
@import '../../internals/Ripple/styles/mixins';
@import 'mixin.less';

//
// Buttons
// --------------------------------------------------

// Default Button
.rs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0; // For input.btn
  font-weight: @btn-font-weight;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  white-space: nowrap;
  transition: @btn-transition;
  // Reset border style in all browser
  border: var(--rs-btn-default-border, none);
  user-select: none;
  text-decoration: none;
  color: var(--rs-btn-default-text);
  background-color: var(--rs-btn-default-bg);
  border-radius: @btn-border-radius;

  .high-contrast-mode({
    transition: none;
  });

  .rs-btn-md();

  .with-focus-ring();

  .button-activated({
    color: var(--rs-btn-default-hover-text);
    background-color: var(--rs-btn-default-hover-bg);
    text-decoration: none;
  });

  .button-pressed({
    color: var(--rs-btn-default-active-text);
    background-color: var(--rs-btn-default-active-bg);
  });

  .button-disabled({
    cursor: @cursor-disabled;
    color: var(--rs-btn-default-disabled-text);
    background-color: var(--rs-btn-default-disabled-bg);
  });

  .with-ripple();
}

.rs-btn-start-icon {
  line-height: 0; // Eliminate whitespace
  margin-right: @btn-icon-gap;
}

.rs-btn-end-icon {
  line-height: 0; // Eliminate whitespace
  margin-left: @btn-icon-gap;
}

// Appearance variants
// --------------------------------------------------

// Primary Button
.rs-btn-primary {
  color: var(--rs-btn-primary-text);
  background-color: var(--rs-btn-primary-bg);
  border: none;

  .button-activated({
    color: var(--rs-btn-primary-text);
    background-color: var(--rs-btn-primary-hover-bg);
  });

  .button-pressed({
    color: var(--rs-btn-primary-text);
    background-color: var(--rs-btn-primary-active-bg);
  });

  .button-disabled({
    color: var(--rs-btn-primary-text);
    background-color: var(--rs-btn-primary-bg);
    opacity: 0.3;
  });
}

// Subtle Button
.rs-btn-subtle {
  color: var(--rs-btn-subtle-text);
  background-color: transparent;
  border: none;

  .button-activated({
    color: var(--rs-btn-subtle-hover-text);
    background-color: var(--rs-btn-subtle-hover-bg);
  });

  .button-pressed({
    color: var(--rs-btn-subtle-active-text);
    background-color: var(--rs-btn-subtle-active-bg);
  });

  .button-disabled({
    color: var(--rs-btn-subtle-disabled-text);
    background: none;
  });
}

// Link buttons
.rs-btn-link {
  color: var(--rs-btn-link-text);
  background-color: transparent;
  border: none;

  .button-activated({
    color: var(--rs-btn-link-hover-text);
    background-color: transparent;
    text-decoration: @link-hover-decoration;
  });

  .button-pressed({
    color: var(--rs-btn-link-active-text);
    background-color: transparent;
  });

  .button-disabled({
    color: var(--rs-btn-link-hover-text);
    background-color: transparent;
    text-decoration: none;
    opacity: 0.3;
  });
}

// Ghost Button
.rs-btn-ghost {
  color: var(--rs-btn-ghost-text);
  background-color: transparent;
  border: @btn-ghost-border-width solid var(--rs-btn-ghost-border);

  .button-activated({
    color: var(--rs-btn-ghost-hover-text);
    background-color: transparent;
    border-color: var(--rs-btn-ghost-hover-border);
    box-shadow: 0 0 0 1px var(--rs-btn-ghost-hover-border);
  });

  .button-pressed({
    color: var(--rs-btn-ghost-active-text);
    background-color: transparent;
    border-color: var(--rs-btn-ghost-active-border);
  });

  .button-disabled({
    color: var(--rs-btn-ghost-text);
    background-color: transparent;
    opacity: 0.3;
    border-color: var(--rs-btn-ghost-border);
    box-shadow:none;
  });
}

// Spectrum buttons
each(@spectrum, .(@color) {
  @C200: var(~'--rs-@{color}-200');
  @C300: var(~'--rs-@{color}-300');
  @C400: var(~'--rs-@{color}-400');
  @C500: var(~'--rs-@{color}-500');
  @C600: var(~'--rs-@{color}-600');
  @C700: var(~'--rs-@{color}-700');
  @C800: var(~'--rs-@{color}-800');
  @C900: var(~'--rs-@{color}-900');

  .rs-btn-@{color} {
    --rs-btn-primary-bg: @C500;
    --rs-btn-primary-hover-bg: @C700;
    --rs-btn-primary-active-bg: @C800;
    --rs-btn-subtle-hover-bg: @C500;
    --rs-btn-subtle-hover-text: @B200;
    --rs-btn-subtle-active-bg: @C600;
    --rs-btn-subtle-active-text: @B800;
    --rs-btn-ghost-border: @C700;
    --rs-btn-ghost-text: @C700;
    --rs-btn-ghost-hover-border: @C900;
    --rs-btn-ghost-hover-text: @C800;
    --rs-btn-ghost-active-border: @C900;
    --rs-btn-ghost-active-text: @C900;
    --rs-btn-link-text: @C700;
    --rs-btn-link-hover-text: @C800;
    --rs-btn-link-active-text: @C900;
    --rs-iconbtn-primary-addon: @C600;
    --rs-iconbtn-primary-activated-addon: @C800;
    --rs-iconbtn-primary-pressed-addon: @C900;

    .dark-mode({
      --rs-btn-primary-bg: @C700;
      --rs-btn-primary-hover-bg: @C500;
      --rs-btn-primary-active-bg: @C400;
      --rs-btn-subtle-hover-bg: @C600;
      --rs-btn-subtle-hover-text: #fff;
      --rs-btn-subtle-active-bg: @C400;
      --rs-btn-subtle-active-text: #fff;
      --rs-btn-ghost-border: @C500;
      --rs-btn-ghost-text: @C500;
      --rs-btn-ghost-hover-border: @C400;
      --rs-btn-ghost-hover-text: @C400;
      --rs-btn-ghost-active-border: @C200;
      --rs-btn-ghost-active-text: @C200;
      --rs-btn-link-text: @C500;
      --rs-btn-link-hover-text: @C400;
      --rs-btn-link-active-text: @C200;
      --rs-iconbtn-primary-addon: @C600;
      --rs-iconbtn-primary-activated-addon: @C400;
      --rs-iconbtn-primary-pressed-addon: @C300;
    });

    .high-contrast-mode({
      --rs-btn-primary-bg: @C700;
      --rs-btn-primary-hover-bg: @C600;
      --rs-btn-primary-active-bg: @C400;
      --rs-btn-subtle-hover-bg: @C600;
      --rs-btn-subtle-hover-text: var(--rs-gray-900);
      --rs-btn-subtle-active-bg: @C400;
      --rs-btn-subtle-active-text: var(--rs-gray-900);
      --rs-btn-ghost-border: @C500;
      --rs-btn-ghost-text: @C500;
      --rs-btn-ghost-hover-border: @C400;
      --rs-btn-ghost-hover-text: @C400;
      --rs-btn-ghost-active-border: @C200;
      --rs-btn-ghost-active-text: @C200;
      --rs-btn-link-text: @C500;
      --rs-btn-link-hover-text: @C400;
      --rs-btn-link-active-text: @C200;
    });
  }
});

// Button Sizes
// --------------------------------------------------

.rs-btn-lg {
  .button-size-lg();
}

.rs-btn-md {
  .button-size-md();
}

.rs-btn-sm {
  .button-size-sm();
}

.rs-btn-xs {
  .button-size-xs();
}

// Block button
// --------------------------------------------------

.rs-btn-block {
  display: block;
  width: 100%;

  // Vertically space out multiple block buttons
  & + & {
    margin-top: 5px;
  }
}

// Button Loading state
.rs-btn-loading {
  color: transparent !important;
  position: relative;
  cursor: default;
  pointer-events: none;

  // Spinner
  > .rs-btn-spin {
    &::before,
    &::after {
      content: '';
      position: absolute;
      width: @btn-loading-spin-default-diameter;
      height: @btn-loading-spin-default-diameter;
      margin: auto;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      border-radius: 50%;
      z-index: 1;

      .rs-btn-xs& {
        width: @btn-loading-spin-xs-diameter;
        height: @btn-loading-spin-xs-diameter;
      }
    }

    &::before {
      border: @btn-loading-spin-ring-wide solid var(--rs-loader-ring);

      .rs-btn-primary& {
        border-color: rgba(248, 247, 250, 0.3);

        .high-contrast-mode({
          border-color: var(--rs-loader-ring-inverse);
        });
      }
    }

    &::after {
      border-width: @btn-loading-spin-ring-wide;
      border-color: var(--rs-loader-rotor) transparent transparent;
      border-style: solid;
      animation: buttonSpin 0.6s infinite linear;

      .rs-btn-primary& {
        border-top-color: #fff;

        .high-contrast-mode({
          border-top-color: var(--rs-loader-rotor-inverse);
        });
      }
    }
  }

  @keyframes buttonSpin {
    from {
      transform: rotate(0);
    }

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

.btn-error() {
  .rs-btn-subtle();

  --rs-btn-subtle-text: var(--rs-red-500);
  --rs-btn-subtle-hover-bg: var(--rs-red-500);
  --rs-btn-subtle-hover-text: #fff;
  --rs-btn-subtle-active-bg: var(--rs-red-600);
  --rs-btn-subtle-active-text: #fff;

  .dark-mode({
    --rs-btn-subtle-hover-bg: var(--rs-red-600);
    --rs-btn-subtle-active-bg: var(--rs-red-400);
  });
}