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Add elevation scale #64108

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Aug 12, 2024
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26 changes: 18 additions & 8 deletions packages/base-styles/_variables.scss
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,22 @@ $radius-large: 8px; // Applied to containers with larger padding.
$radius-full: 9999px; // For lozenges.
$radius-round: 50%; // For circles and ovals.

/**
* Elevation scale.
*/

// For sections and containers that group related content and controls, which may overlap other content. Example: Preview Frame.
$elevation-x-small: 0 0.7px 1px rgba($black, 0.1), 0 1.2px 1.7px -0.2px rgba($black, 0.1), 0 2.3px 3.3px -0.5px rgba($black, 0.1);

// For components that provide contextual feedback without being intrusive. Generally non-interruptive. Example: Tooltips, Snackbar.
$elevation-small: 0 0.7px 1px 0 rgba(0, 0, 0, 0.12), 0 2.2px 3.7px -0.2px rgba(0, 0, 0, 0.12), 0 5.3px 7.3px -0.5px rgba(0, 0, 0, 0.12);

// For components that offer additional actions. Example: Menus, Command Palette
$elevation-medium: 0 0.7px 1px 0 rgba(0, 0, 0, 0.14), 0 4.2px 5.7px -0.2px rgba(0, 0, 0, 0.14), 0 7.3px 9.3px -0.5px rgba(0, 0, 0, 0.14);

// For components that confirm decisions or handle necessary interruptions. Example: Modals.
$elevation-large: 0 0.7px 1px rgba($black, 0.15), 0 2.7px 3.8px -0.2px rgba($black, 0.15), 0 5.5px 7.8px -0.3px rgba($black, 0.15), 0.1px 11.5px 16.4px -0.5px rgba($black, 0.15);

/**
* Dimensions.
*/
Expand All @@ -74,14 +90,6 @@ $modal-width-large: 840px;
$spinner-size: 16px;
$canvas-padding: $grid-unit-20;


/**
* Shadows.
*/

$shadow-popover: 0 0.7px 1px rgba($black, 0.1), 0 1.2px 1.7px -0.2px rgba($black, 0.1), 0 2.3px 3.3px -0.5px rgba($black, 0.1);
$shadow-modal: 0 0.7px 1px rgba($black, 0.15), 0 2.7px 3.8px -0.2px rgba($black, 0.15), 0 5.5px 7.8px -0.3px rgba($black, 0.15), 0.1px 11.5px 16.4px -0.5px rgba($black, 0.15);

/**
* Editor widths.
*/
Expand All @@ -107,6 +115,8 @@ $radio-input-size-sm: 24px; // Width & height for small viewports.
// Deprecated, please avoid using these.
$block-padding: 14px; // Used to define space between block footprint and surrouding borders.
$radius-block-ui: $radius-small;
$shadow-popover: $elevation-x-small;
$shadow-modal: $elevation-large;


/**
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4 changes: 4 additions & 0 deletions packages/components/src/utils/config-values.js
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,10 @@ export default Object.assign( {}, CONTROL_PROPS, TOGGLE_GROUP_CONTROL_PROPS, {
cardPaddingMedium: `${ space( 4 ) } ${ space( 6 ) }`,
cardPaddingLarge: `${ space( 6 ) } ${ space( 8 ) }`,
popoverShadow: `0 0.7px 1px rgba(0, 0, 0, 0.1), 0 1.2px 1.7px -0.2px rgba(0, 0, 0, 0.1), 0 2.3px 3.3px -0.5px rgba(0, 0, 0, 0.1)`,
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Since I don't think that popoverShadow is exported from the package, I think it should be OK to remove it and replace its usages with elevationXSmall.

This can be definitely done in one of the follow-up PRs

elevationXSmall: `0 0.7px 1px rgba(0, 0, 0, 0.1), 0 1.2px 1.7px -0.2px rgba(0, 0, 0, 0.1), 0 2.3px 3.3px -0.5px rgba(0, 0, 0, 0.1)`,
elevationSmall: `0 0.7px 1px 0 rgba(0, 0, 0, 0.12), 0 2.2px 3.7px -0.2px rgba(0, 0, 0, 0.12), 0 5.3px 7.3px -0.5px rgba(0, 0, 0, 0.12)`,
elevationMedium: `0 0.7px 1px 0 rgba(0, 0, 0, 0.14), 0 4.2px 5.7px -0.2px rgba(0, 0, 0, 0.14), 0 7.3px 9.3px -0.5px rgba(0, 0, 0, 0.14)`,
elevationLarge: `0 0.7px 1px rgba(0, 0, 0, 0.15), 0 2.7px 3.8px -0.2px rgba(0, 0, 0, 0.15), 0 5.5px 7.8px -0.3px rgba(0, 0, 0, 0.15), 0.1px 11.5px 16.4px -0.5px rgba(0, 0, 0, 0.15)`,
surfaceBackgroundColor: COLORS.white,
surfaceBackgroundSubtleColor: '#F3F3F3',
surfaceBackgroundTintColor: '#F5F5F5',
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