$color-red-1: #ffe3e3;
$color-red-3: #ffa8a8;
$color-red-6: #fa5252;
$color-red-7: #f03e3e;
$color-red-8: #e03131;
$color-red-9: #c92a2a;
$color-gray-1: #f1f3f5;
$color-gray-2: #e9ecef;
$color-gray-4: #ced4da;
$color-gray-5: #adb5bd;
$color-gray-6: #868e96;
$color-gray-7: #495057;
$color-gray-8: #343a40;
$color-green-0: #ebfbee;
$color-green-2: #b2f2bb;
$color-green-4: #69db7c;
$color-green-9: #2b8a3e;
$color-blue-1: #d0ebff;
$color-blue-2: #a5d8ff;
$color-blue-4: #4dabf7;
$color-blue-5: #339af0;
$color-blue-6: #228be6;
$color-blue-7: #1c7ed6;
$color-blue-8: #1971c2;

@mixin isMobile() {
  @at-root .excalidraw--mobile#{&} {
    @content;
  }
}

// the .ToolIcon_type_toggle.ToolIcon--checked selectors use both classes so
// they keep outranking the :hover/:active rules below
@mixin toolbarButtonColorStates {
  &.fillable {
    &.ToolIcon_type_toggle.ToolIcon--checked .ToolIcon__icon {
      --icon-fill-color: var(--color-on-primary-container);

      svg {
        fill: var(--icon-fill-color);
      }
    }
  }

  &.ToolIcon_type_toggle.ToolIcon--checked .ToolIcon__icon {
    background: var(--color-surface-primary-container);
    --keybinding-color: var(--color-on-primary-container);

    svg {
      color: var(--color-on-primary-container);
    }
  }

  .ToolIcon__keybinding {
    bottom: 4px;
    right: 4px;
  }

  .ToolIcon__icon {
    &:hover {
      background: var(--button-hover-bg);
    }

    &:active {
      background: var(--button-hover-bg);
      border: 1px solid var(--button-active-border);

      svg {
        color: var(--color-on-primary-container);
      }
    }

    &[aria-disabled="true"] {
      background: initial;
      border: none;

      svg {
        color: var(--color-disabled);
      }
    }
  }

  // disabled toggle buttons (e.g. non-forced tools while `props.activeTool`
  // is set) — greyed out, without hover/active affordances
  &.ToolIcon_type_toggle:disabled {
    cursor: default;
    --keybinding-color: var(--color-disabled);

    .ToolIcon__icon {
      svg {
        color: var(--color-disabled);
      }

      &:hover,
      &:active {
        background: initial;
        border: none;

        svg {
          color: var(--color-disabled);
        }
      }
    }
  }
}

@mixin outlineButtonStyles {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.625rem;
  width: var(--button-width, var(--default-button-size));
  height: var(--button-height, var(--default-button-size));
  box-sizing: border-box;
  border-width: 1px;
  border-style: solid;
  border-color: var(--button-border, var(--default-border-color));
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  background-color: var(--button-bg, var(--island-bg-color));
  color: var(--button-color, var(--color-on-surface));
  font-family: var(--ui-font);

  svg {
    width: var(--button-width, var(--lg-icon-size));
    height: var(--button-height, var(--lg-icon-size));
  }

  &:hover {
    background-color: var(--button-hover-bg, var(--island-bg-color));
    border-color: var(
      --button-hover-border,
      var(--button-border, var(--default-border-color))
    );
    color: var(
      --button-hover-color,
      var(--button-color, var(--text-primary-color, inherit))
    );
  }

  &:active {
    background-color: var(--button-active-bg, var(--island-bg-color));
    border-color: var(--button-active-border, var(--color-primary-darkest));
  }

  &.active,
  &.ToolIcon--checked {
    background-color: var(
      --button-selected-bg,
      var(--color-surface-primary-container)
    );
    border-color: var(
      --button-selected-border,
      var(--color-surface-primary-container)
    );

    &:hover {
      background-color: var(
        --button-selected-hover-bg,
        var(--color-surface-primary-container)
      );
    }

    svg {
      color: var(--button-color, var(--color-on-primary-container));
    }
  }

  @include isMobile() {
    width: var(--mobile-action-button-size, var(--default-button-size));
    height: var(--mobile-action-button-size, var(--default-button-size));
  }
}

@mixin buttonNoHighlight {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
}

@mixin outlineButtonIconStyles {
  @include outlineButtonStyles;

  & {
    padding: 0;
  }

  svg {
    width: var(--default-icon-size);
    height: var(--default-icon-size);
  }
}

@mixin avatarStyles {
  width: var(--avatar-size, 1.5rem);
  height: var(--avatar-size, 1.5rem);
  position: relative;
  border-radius: 100%;
  outline-offset: 2px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gray-90);
  flex: 0 0 auto;

  &:active {
    transform: scale(0.94);
  }

  &-img {
    width: 100%;
    height: 100%;
    border-radius: 100%;
  }

  &::before {
    content: "";
    position: absolute;
    top: -3px;
    right: -3px;
    bottom: -3px;
    left: -3px;
    border-radius: 100%;
  }

  &.is-followed::before {
    border-color: var(--color-primary-hover);
    box-shadow: 0 0 0 1px var(--color-primary-hover);
  }
  &.is-current-user {
    cursor: auto;
  }
}

@mixin filledButtonOnCanvas {
  border: none;
  box-shadow: 0 0 0 1px var(--color-surface-lowest);
  background-color: var(--color-surface-low);

  &:active {
    box-shadow: 0 0 0 1px var(--color-brand-active);
  }

  @include isMobile() {
    width: var(--mobile-action-button-size, 2rem);
    height: var(--mobile-action-button-size, 2rem);
  }
}