index.css

/*!
Copyright 2023 Adobe. All rights reserved.
This file is licensed to you under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License. You may obtain a copy
of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under
the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
OF ANY KIND, either express or implied. See the License for the specific language
governing permissions and limitations under the License.
*/

@import "./themes/express.css";
@import "@spectrum-css/commons/overlay.css";

.spectrum-Popover {
  /* Used in positioning popover for storybook */
  --flow-direction: 1;

  &:dir(rtl) {
    --flow-direction: -1;
  }

  /* animation distance is equal to and responsible for popover offset */
  --spectrum-popover-animation-distance: var(--spectrum-spacing-100);

  --spectrum-popover-background-color: var(--spectrum-background-layer-2-color);
  --spectrum-popover-border-color: var(--spectrum-gray-400);

  /* popover inner padding */
  --spectrum-popover-content-area-spacing-vertical: var(--spectrum-popover-top-to-content-area);

  /* popover drop shadow */
  --spectrum-popover-shadow-horizontal: var(--spectrum-drop-shadow-x);
  --spectrum-popover-shadow-vertical: var(--spectrum-drop-shadow-y);
  --spectrum-popover-shadow-blur: var(--spectrum-drop-shadow-blur);
  --spectrum-popover-shadow-color: var(--spectrum-drop-shadow-color);

  /* popover corner radius */
  --spectrum-popover-corner-radius: var(--spectrum-corner-radius-100);

  /* pointer tip dimensions */
  --spectrum-popover-pointer-width: var(--spectrum-popover-tip-width);
  --spectrum-popover-pointer-height: var(--spectrum-popover-tip-height);

  /* pointer tip - default spacing to edge - corner radius plus half of tip width to neutralize override */
  --spectrum-popover-pointer-edge-offset: calc(var(--spectrum-corner-radius-100) + (var(--spectrum-popover-tip-width) / 2));

  /* pointer tip - spacing to edge will center pointer to source - apply in markup by setting '--spectrum-popover-pointer-edge-offset' value == half of source */
  --spectrum-popover-pointer-edge-spacing: calc(var(--spectrum-popover-pointer-edge-offset) - (var(--spectrum-popover-tip-width) / 2));
}

/* windows high contrast mode */
@media (forced-colors: active) {
  .spectrum-Popover {
    --highcontrast-popover-border-color: CanvasText;
  }
}

.spectrum-Popover {
  --spectrum-popover-filter: drop-shadow(var(--mod-popover-shadow-horizontal, var(--spectrum-popover-shadow-horizontal)) var(--mod-popover-shadow-vertical, var(--spectrum-popover-shadow-vertical)) var(--mod-popover-shadow-blur, var(--spectrum-popover-shadow-blur)) var(--mod-popover-shadow-color, var(--spectrum-popover-shadow-color)));
  @extend %spectrum-overlay;

  box-sizing: border-box;
  position: absolute;

  outline: none; /* Hide focus outline */

  padding: var(--mod-popover-content-area-spacing-vertical, var(--spectrum-popover-content-area-spacing-vertical)) 0;

  display: inline-flex;
  flex-direction: column;

  border-style: solid;
  border-radius: var(--mod-popover-corner-radius, var(--spectrum-popover-corner-radius));
  border-color: var(--highcontrast-popover-border-color, var(--mod-popover-border-color, var(--spectrum-popover-border-color)));
  border-width: var(--mod-popover-border-width, var(--spectrum-popover-border-width));

  background-color: var(--mod-popover-background-color, var(--spectrum-popover-background-color));
  filter: var(--mod-popover-filter, var(--spectrum-popover-filter));

  /* has tip triangle */
  &.spectrum-Popover--withTip {
    .spectrum-Popover-tip {
      /* triangle polygon */
      .spectrum-Popover-tip-triangle {
        stroke-linecap: square;
        stroke-linejoin: miter;
        fill: var(--highcontrast-popover-background-color, var(--mod-popover-background-color, var(--spectrum-popover-background-color)));
        stroke: var(--highcontrast-popover-border-color, var(--mod-popover-border-color, var(--spectrum-popover-border-color)));
        stroke-width: var(--mod-popover-border-width, var(--spectrum-popover-border-width));
      }
    }
  }
}

/* default opens and animates upward */
.spectrum-Popover.is-open {
  @extend %spectrum-overlay--open;
}

/* prevent nested popovers from affecting each others drop shadow filters */
.spectrum-Popover * {
  --mod-popover-filter: none;
}

/* position naming - first position term is popover position, second term is source position */
/* example: --top-left = popover is to top and source is to left */

/* popover position is at top of source - default placement */
.spectrum-Popover--top,
.spectrum-Popover--top-left,
.spectrum-Popover--top-right,
.spectrum-Popover--top-start,
.spectrum-Popover--top-end {
  /* spacing to include tip in calculation of offset from source */
  &.spectrum-Popover--withTip {
    /* tip size minus where it overlaps with popover border */
    margin-block-end: calc(var(--mod-popover-pointer-height, var(--spectrum-popover-pointer-height)) - var(--mod-popover-border-width, var(--spectrum-popover-border-width)));
  }

  /* popover animates upward ⬆ */
  &.is-open {
    transform: translateY(calc(-1 * var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance))));
  }
}

/* popover position is at bottom of source */
.spectrum-Popover--bottom,
.spectrum-Popover--bottom-left,
.spectrum-Popover--bottom-right,
.spectrum-Popover--bottom-start,
.spectrum-Popover--bottom-end {
  /* spacing to include tip in calculation of offset from source */
  &.spectrum-Popover--withTip {
    /* tip size minus where it overlaps with popover border */
    margin-block-start: calc(var(--mod-popover-pointer-height, var(--spectrum-popover-pointer-height)) - var(--mod-popover-border-width, var(--spectrum-popover-border-width)));
  }

  /* popover animates downward ⬇ */
  &.is-open {
    transform: translateY(var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance)));
  }
}

/* popover position is right of source */
.spectrum-Popover--right,
.spectrum-Popover--right-bottom,
.spectrum-Popover--right-top {
  /* spacing to include tip in calculation of offset from source */
  &.spectrum-Popover--withTip {
    /* tip size minus where it overlaps with popover border */
    margin-inline-start: calc(var(--mod-popover-pointer-width, var(--spectrum-popover-pointer-width)) - var(--mod-popover-border-width, var(--spectrum-popover-border-width)));
  }

  /* popover animates towards right ⮕ */
  &.is-open {
    transform: translateX(var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance)));
  }
}

/* popover position is left of source */
.spectrum-Popover--left,
.spectrum-Popover--left-bottom,
.spectrum-Popover--left-top {
  /* spacing to include tip in calculation of offset from source */
  &.spectrum-Popover--withTip {
    /* tip size minus where it overlaps with popover border */
    margin-inline-end: calc(var(--mod-popover-pointer-width, var(--spectrum-popover-pointer-width)) - var(--mod-popover-border-width, var(--spectrum-popover-border-width)));
  }

  /* popover animates towards left ⬅ */
  &.is-open {
    transform: translateX(calc(-1 * var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance))));
  }
}

/* logical property - popover is horizontally at start */
.spectrum-Popover--start,
.spectrum-Popover--start-top,
.spectrum-Popover--start-bottom {
  /* spacing to include tip in calculation of offset from source */
  &.spectrum-Popover--withTip {
    /* tip size minus where it overlaps with popover border */
    margin-inline-end: calc(var(--mod-popover-pointer-width, var(--spectrum-popover-pointer-width)) - var(--mod-popover-border-width, var(--spectrum-popover-border-width)));
  }

  /* LTR read, popover animates towards left ⬅ */
  &.is-open {
    transform: translateX(calc(-1 * var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance))));
  }

  /* RTL read, popover animates towards right ⮕ */
  &.is-open:dir(rtl) {
    transform: translateX(var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance)));
  }
}

/* logical property - popover is horizontally at end */
.spectrum-Popover--end,
.spectrum-Popover--end-top,
.spectrum-Popover--end-bottom {
  /* spacing to include tip in calculation of offset from source */
  &.spectrum-Popover--withTip {
    /* tip size minus where it overlaps with popover border */
    margin-inline-start: calc(var(--mod-popover-pointer-width, var(--spectrum-popover-pointer-width)) - var(--mod-popover-border-width, var(--spectrum-popover-border-width)));
  }

  /* LTR read, popover animates towards right ⮕ */
  &.is-open {
    transform: translateX(var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance)));
  }

  /* RTL read, popover animates towards left ⬅ */
  &:dir(rtl) {
  &.is-open {
      transform: translateX(calc(-1 * var(--mod-popover-animation-distance, var(--spectrum-popover-animation-distance))));
    }
  }
}

/* HAS TIP - popover with triangle pointer */
/* default, top, and bottom position tip - tip defaults to pointing down ▽ */
.spectrum-Popover--withTip {
  &.spectrum-Popover,
  &.spectrum-Popover--top,
  &.spectrum-Popover--top-left,
  &.spectrum-Popover--top-right,
  &.spectrum-Popover--top-start,
  &.spectrum-Popover--top-end,
  &.spectrum-Popover--bottom,
  &.spectrum-Popover--bottom-left,
  &.spectrum-Popover--bottom-right,
  &.spectrum-Popover--bottom-start,
  &.spectrum-Popover--bottom-end {
    .spectrum-Popover-tip {
      inline-size: var(--mod-popover-pointer-width, var(--spectrum-popover-pointer-width));
      block-size: var(--mod-popover-pointer-height, var(--spectrum-popover-pointer-height));
      position: absolute;
      inset-block-start: 100%;
      inset-inline: 0;
      margin: auto;

      /* https://stackoverflow.com/questions/44170229/how-to-prevent-half-pixel-svg-shift-on-high-pixel-ratio-devices-retina */
      transform: translate(0, 0);
    }
  }

  /* popover is at top of source, tip left and pointing down ▽ */
  &.spectrum-Popover--top-left {
    .spectrum-Popover-tip {
      inset-inline: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing)) auto;
    }
  }

 /* popover is at top of source, tip right and pointing down ▽ */
  &.spectrum-Popover--top-right {
    .spectrum-Popover-tip {
      inset-inline: auto var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
    }
  }

  /* logical property - popover is above, source and tip are at start, tip pointing down ▽ */
  &.spectrum-Popover--top-start {
    .spectrum-Popover-tip {
      margin-inline-start: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
    }
  }

  /* logical property - popover is above, source and tip are at end, tip pointing down ▽ */
  &.spectrum-Popover--top-end {
    .spectrum-Popover-tip {
      margin-inline-end: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
    }
  }

  /* popover position is bottom of source with tip pointing up △ */
  &.spectrum-Popover--bottom,
  &.spectrum-Popover--bottom-left,
  &.spectrum-Popover--bottom-right,
  &.spectrum-Popover--bottom-start,
  &.spectrum-Popover--bottom-end {
    .spectrum-Popover-tip {
      inset-block: auto 100%;

      /* flip triangle to face up */
      transform: scaleY(-1);
    }
  }

  /* popover position is bottom, source is at left, tip pointing up △ */
  &.spectrum-Popover--bottom-left {
    .spectrum-Popover-tip {
      inset-inline: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing)) auto;
    }
  }

  /* popover position is bottom, source is at right, tip pointing up △ */
  &.spectrum-Popover--bottom-right {
    .spectrum-Popover-tip {
      inset-inline: auto var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
    }
  }

  /* logical property - popover is below, source is at start, tip pointing up △ */
  &.spectrum-Popover--bottom-start {
    .spectrum-Popover-tip {
      margin-inline-start: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
    }
  }

  /* logical property - popover is below, source is at end, tip pointing up △ */
  &.spectrum-Popover--bottom-end {
    .spectrum-Popover-tip {
      margin-inline-end: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
    }
  }

  /* right, left, start, end popover position with tip default to pointing right ▷ */
  &.spectrum-Popover--left,
  &.spectrum-Popover--left-bottom,
  &.spectrum-Popover--left-top,
  &.spectrum-Popover--right,
  &.spectrum-Popover--right-bottom,
  &.spectrum-Popover--right-top,
  &.spectrum-Popover--start,
  &.spectrum-Popover--start-top,
  &.spectrum-Popover--start-bottom,
  &.spectrum-Popover--end,
  &.spectrum-Popover--end-top,
  &.spectrum-Popover--end-bottom {
    .spectrum-Popover-tip {
      /* swap height and width for vertical triangle */
      inline-size: var(--mod-popover-pointer-height, var(--spectrum-popover-pointer-height));
      block-size: var(--mod-popover-pointer-width, var(--spectrum-popover-pointer-width));
      inset-block: 0;
    }

    /* left popover with tip pointing right ▷ */
    &.spectrum-Popover--left,
    &.spectrum-Popover--left-bottom,
    &.spectrum-Popover--left-top {
      .spectrum-Popover-tip {
        inset-inline: 100% auto;
      }
    }

    /* right popover with tip pointing left ◁ */
    &.spectrum-Popover--right,
    &.spectrum-Popover--right-bottom,
    &.spectrum-Popover--right-top {
      .spectrum-Popover-tip {
        inset-inline: auto 100%;

        /* flip tip to point left ◁ */
        transform: scaleX(-1);
      }
    }


    /* popover with tip at top */
    &.spectrum-Popover--right-top,
    &.spectrum-Popover--left-top,
    &.spectrum-Popover--start-top,
    &.spectrum-Popover--end-top {
      .spectrum-Popover-tip {
        inset-block: var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing)) auto;
      }
    }

    /* popover with tip at bottom */
    &.spectrum-Popover--right-bottom,
    &.spectrum-Popover--left-bottom,
    &.spectrum-Popover--start-bottom,
    &.spectrum-Popover--end-bottom {
      .spectrum-Popover-tip {
        inset-block: auto var(--mod-popover-pointer-edge-spacing, var(--spectrum-popover-pointer-edge-spacing));
      }
    }
  }

  /* logical property - start popover position with tip pointing toward end -  LTR default is ▷ */
  &.spectrum-Popover--start,
  &.spectrum-Popover--start-top,
  &.spectrum-Popover--start-bottom {
    .spectrum-Popover-tip {
      margin-inline-start: 100%;

      &:dir(rtl) {
        transform: none;

        /* flip tip to point left ◁ */
        transform: scaleX(-1);
      }
    }
  }

  /* logical property - end popover position with tip pointing toward start  -  LTR default is ◁ **/
  &.spectrum-Popover--end,
  &.spectrum-Popover--end-top,
  &.spectrum-Popover--end-bottom {
    /* tip triangle  */
    .spectrum-Popover-tip {
      margin-inline-end: 100%;

      /* flip tip to point right ▷ */
      transform: scaleX(-1);

      &:dir(rtl) {
        /* flip tip to point left ◁ */
        transform: scaleX(1);
      }
    }
  }
}