feat(20907): add glass theme #991
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WalkthroughThe changes update various styling components across the project. They remove an unnecessary background color from a search input container and update several UI components by appending new static CSS classes (e.g., Changes
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Bundle ReportChanges will increase total bundle size by 750 bytes (0.01%) ⬆️. This is within the configured threshold ✅ Detailed changes
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📒 Files selected for processing (11)
src/components/Search/SearchInput/SearchInput.module.css(0 hunks)src/components/Search/SearchInput/SearchInput.tsx(2 hunks)src/features/breadcrumbs/components/Breadcrumbs/Breadcrumbs.tsx(1 hunks)src/features/create_layer/components/EditFeaturesPanel/EditFeaturesPanel.tsx(1 hunks)src/features/create_layer/components/EditLayerPanel/EditLayerPanel.tsx(1 hunks)src/features/events_list/components/EventsPanel/EventsPanel.tsx(2 hunks)src/features/layer_features_panel/components/LayerFeaturesPanel/index.tsx(2 hunks)src/features/search/index.tsx(2 hunks)src/main.tsx(1 hunks)src/styles/glass-theme.css(1 hunks)src/widgets/FullAndShortStatesPanelWidget/components/FullAndShortStatesPanelWidget.tsx(2 hunks)
💤 Files with no reviewable changes (1)
- src/components/Search/SearchInput/SearchInput.module.css
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🔇 Additional comments (12)
src/main.tsx (1)
9-9: LGTM! The glass theme import is correctly placed.The import is appropriately placed after the default theme imports, allowing it to override default styles when necessary.
src/features/breadcrumbs/components/Breadcrumbs/Breadcrumbs.tsx (1)
47-50: LGTM! Class composition is correctly implemented.The
knt-breadcrumbsclass is properly added using theclsxutility, maintaining existing class references.src/features/create_layer/components/EditFeaturesPanel/EditFeaturesPanel.tsx (1)
57-57: LGTM! Panel styling is consistently applied.The
knt-panelclass is properly added using theclsxutility, maintaining consistency with other panel components.src/features/events_list/components/EventsPanel/EventsPanel.tsx (2)
158-158: LGTM! Panel styling is consistently applied.The
knt-panelclass is properly added while preserving the dynamic show/collapse classes.
173-180: LGTM! Panel icon styling is consistently applied.The
knt-panel-iconclass is properly added while maintaining mobile/desktop-specific classes.src/features/layer_features_panel/components/LayerFeaturesPanel/index.tsx (1)
115-115:❓ Verification inconclusive
Verify accessibility and performance of glass theme effects.
While the class additions are consistent with the glass theme implementation, please ensure:
- Text remains readable against transparent/blurred backgrounds
- Performance impact of blur effects is acceptable on mobile devices
Also applies to: 136-136
🌐 Web query:
What are the WCAG guidelines for text contrast against transparent or glass-effect backgrounds?💡 Result:
WCAG guidelines require text over transparent or glass-effect backgrounds to meet specific contrast ratios, with additional considerations for dynamic visual environments. Here's a breakdown of key requirements and strategies:
Core Contrast Requirements
- Standard text: Minimum 4.5:1 contrast ratio (AA compliance)
- Large text (18pt+/14pt bold+): Minimum 3:1 ratio (AA compliance)
- Enhanced AAA compliance: 7:1 for standard text, 4.5:1 for large text[1][2][5]
Special Considerations for Transparency
Dynamic background challenges:
- Text must maintain required ratios against all possible background colors visible through transparency[3][7]
- Glassmorphism often requires testing multiple background scenarios[4]
Design solutions:
- Use semi-opaque overlays (30-40% transparency recommended) to stabilize backgrounds[4][6]
- Apply text outlines/halos that count toward contrast calculations[3][7]
- Opt for neutral-colored text (black/white/gray) with stroke effects[6]
Measurement strategies:
- Test against the lowest-contrast area of variable backgrounds[3][4]
- Use tools like Contrast Checker (WebAIM) or Figma plugins that analyze layered transparency[8][10]
Non-Text Elements
- UI components and graphics require 3:1 contrast against adjacent colors[3][8]
- Interactive states (hover/focus) must maintain ratios independently[3]
Compliance Example
A glass-effect navigation bar with semi-transparent white background (#FFFFFF80) and dark gray text (#2E2E2E) would need to:
- Maintain 4.5:1 ratio against both light/dark content beneath it
- Use 1px black stroke around text if background variability causes ratio drops[4][6]
Designers must balance aesthetic goals with accessibility by combining controlled transparency, strategic text effects, and rigorous contrast testing across all potential background combinations[1][4][7].
Citations:
- 1: https://www.boia.org/blog/designing-for-color-contrast-guidelines-for-accessibility
- 2: https://www.barrierbreak.com/the-impact-of-color-contrast-on-accessibility/
- 3: https://webaim.org/articles/contrast/
- 4: https://www.nngroup.com/articles/glassmorphism/
- 5: https://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html
- 6: https://www.interaction-design.org/literature/topics/glassmorphism
- 7: https://www.w3.org/WAI/WCAG22/Understanding/contrast-minimum.html
- 8: https://accessibleweb.com/color-contrast-checker/
- 9: https://www.oregon.gov/ode/accessibility/checklist/pages/contrast.aspx
- 10: https://webaim.org/resources/contrastchecker/
Ensure Glass Theme Accessibility & Mobile Performance
- Verify that text over glass-effect or blurred backgrounds adheres to WCAG guidelines (minimum contrast ratio of 4.5:1 for standard text and 3:1 for large text). Consider using semi-opaque overlays or text halos to stabilize contrast against variable backgrounds.
- Evaluate the performance of blur effects on mobile devices to ensure responsiveness isn’t compromised.
- Note: These accessibility and performance checks should be confirmed on both the Panel component (line 115) and the PanelIcon component (line 136).
src/components/Search/SearchInput/SearchInput.tsx (1)
54-54:❓ Verification inconclusive
Verify search button contrast with glass theme.
Ensure the search button remains visible and accessible with the glass theme effects.
🌐 Web query:
What are the minimum contrast requirements for interactive elements according to WCAG?💡 Result:
For interactive elements like buttons, form controls, and icons, WCAG requires a minimum contrast ratio of 3:1 against adjacent colors under Success Criterion 1.4.11 (Non-text Contrast) at Level AA[1][4][6][7].
Key Requirements
Contrast Ratios
- Interactive states: Each state (default, hover, focus, active) must meet 3:1 against adjacent colors[1][4]. For example:
- A button’s hover state needs 3:1 against its background but not necessarily against its default state[1].
- Visual focus indicators: Elements like input borders or focus rings must also meet 3:1 contrast[6][7].
Exceptions
- Inactive elements: Disabled buttons or inactive UI components are exempt[7].
- Thicker elements: Graphical objects with a minimum width/height of 3 CSS pixels require only 3:1[10].
Text vs. Non-Text Contrast
While text requires higher ratios (4.5:1 for normal text), non-text interactive elements follow the 3:1 rule[4][6]. For example:
Element Type WCAG Level AA Requirement Text (normal) 4.5:1 Text (large/bold) 3:1 Buttons/icons/UI 3:1 Tools for Compliance
Use tools like WebAIM’s Contrast Checker[6] or Flowy[3] to validate ratios during design. Ensure keyboard navigation and focus states are visually distinct[2][5].
Adhering to these guidelines ensures usability for low-vision users and compliance with accessibility standards like WCAG 2.1/2.2[8][9].
Citations:
- 1: https://accessibleweb.com/question-answer/what-are-the-contrast-requirements-for-an-elements-focus-mouseover-select-states/
- 2: https://www.chillybin.co/creating-accessible-content/
- 3: https://blog.equally.ai/developer-guide/contrast-minimum/
- 4: https://accessibleweb.com/question-answer/are-there-different-contrast-ratio-requirements-for-text-and-for-ui-elements/
- 5: https://www.smashingmagazine.com/2024/07/getting-bottom-minimum-wcag-conformant-interactive-element-size/
- 6: https://webaim.org/resources/contrastchecker/
- 7: https://www.getstark.co/wcag-explained/perceivable/distinguishable/contrast-minimum/
- 8: https://www.w3.org/TR/WCAG21/
- 9: https://brand.ucla.edu/fundamentals/accessibility/color-type
- 10: https://www.w3.org/WAI/GL/low-vision-a11y-tf/wiki/Contrast_(Minimum)
Contrast Verification for Search Button
Please confirm that the search button (using
clsx(classes?.searchButton, 'knt-search-button')in src/components/Search/SearchInput/SearchInput.tsx at line 54) adheres to WCAG guidelines. Specifically, interactive elements must achieve a minimum contrast ratio of 3:1 against adjacent colors—even with the glass theme effects in play. Verify that the styles applied in both default and interactive states (hover, focus, active) maintain this ratio. Tools like the WebAIM Contrast Checker can help validate this.src/widgets/FullAndShortStatesPanelWidget/components/FullAndShortStatesPanelWidget.tsx (1)
100-100: Test glass effects in all panel states.Please verify that the glass theme effects work correctly in all panel states (full, short, closed) and during transitions between states.
Also applies to: 121-121
src/features/create_layer/components/EditLayerPanel/EditLayerPanel.tsx (1)
47-47: Verify form usability with glass theme.Since this panel contains form elements, please ensure:
- Form fields remain clearly visible against the glass background
- Input focus states are distinct and visible
- Error messages stand out appropriately
src/styles/glass-theme.css (1)
9-21: Responsive Styling and Scrollbar CustomizationThis media query block extends the glass theme to
.knt-paneland.knt-search-buttonfor screens wider than 961px when they are neither hovered nor focused. The inclusion of a nested rule to customize the scrollbar color is a nice touch. Verify that the CSS custom property--scrollbar-thumbis defined globally, so the intended styling is applied across the application.src/features/search/index.tsx (2)
29-31: Enhanced Panel Styling with Glass ThemeThe addition of the
'knt-panel'class to thePanelcomponent integrates the glass theme design as intended, while preserving the existing conditional styling (viaclsx). Make sure that this new class does not introduce any styling conflicts with the existing rules.
47-50: Consistent Glass Theme for Panel IconAppending the
'knt-panel-icon'class to thePanelIconis a straightforward way to extend the glass theme styling to this component. It aligns with the approach used across the project. It would be beneficial to test on various screen sizes to ensure visual consistency.
| @@ -2,6 +2,7 @@ import React, { forwardRef } from 'react'; | |||
| import { Close16, Loader24, Search16 } from '@konturio/default-icons'; | |||
| import cn from 'clsx'; | |||
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🛠️ Refactor suggestion
Remove duplicate import.
The clsx package is imported twice. Remove the duplicate import on line 5 since it's already imported as cn on line 3.
import cn from 'clsx';
import { Button } from '@konturio/ui-kit';
-import clsx from 'clsx';Also applies to: 5-5
src/styles/glass-theme.css
Outdated
| :not(:hover) { | ||
| &.knt-breadcrumbs, | ||
| &.knt-panel-icon { | ||
| background-color: transparent; | ||
| backdrop-filter: blur(10px); | ||
| } | ||
| } |
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🧹 Nitpick (assertive)
Glass Theme Base Styles for Breadcrumbs and Panel Icons
The new block defines a glass effect for .knt-breadcrumbs and .knt-panel-icon when not hovered by setting a transparent background and applying a blur. Please ensure that your build pipeline supports CSS nesting (or that you are using a preprocessor such as SCSS or PostCSS with the nesting plugin) to avoid browser compatibility issues.
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src/styles/glass-theme.css(1 hunks)
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src/styles/glass-theme.css (1)
1-7: Ensure CSS Nesting Compatibility
These nested rules (e.g. starting with:not(:hover)wrapping&.knt-breadcrumbsand&.knt-panel-icon) rely on CSS nesting support. Please verify that your build pipeline (or preprocessor like SCSS/PostCSS with a nesting plugin) supports this syntax to ensure cross-browser compatibility.
src/styles/glass-theme.css
Outdated
| @media screen and (min-width: 961px) { | ||
| :not(:hover, :focus-within) { | ||
| &.knt-panel, | ||
| &.knt-search-button { | ||
| background-color: rgba(255, 255, 255, 0.75); | ||
| backdrop-filter: blur(10px); | ||
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| & * { | ||
| scrollbar-color: var(--scrollbar-thumb) rgba(255, 255, 255, 0.75); | ||
| } | ||
| } | ||
| } | ||
| } |
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🧹 Nitpick (assertive)
Media Query & Advanced Selector Support
The media query block targeting screens wider than 961px uses :not(:hover, :focus-within) with nested selectors for .knt-panel and .knt-search-button, and applies properties like backdrop-filter and scrollbar-color. Please confirm that these CSS pseudo-classes and properties are supported in all intended target browsers. Consider adding fallback styles or vendor prefixes if necessary.
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src/styles/glass-theme.css(1 hunks)
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src/styles/glass-theme.css (1)
1-7: Ensure CSS Nesting Support & Compatibility
This block uses nested selectors (e.g.,&.knt-breadcrumbs,&.knt-panel-icon) within a:not(:hover)rule. Please confirm that your build pipeline supports CSS nesting natively or via a preprocessor (e.g., PostCSS with a nesting plugin) to avoid browser compatibility issues.
src/styles/glass-theme.css
Outdated
| @media screen and (min-width: 961px) { | ||
| :not(:hover, :focus-within) { | ||
| &.knt-panel, | ||
| &.knt-search-button { | ||
| background-color: rgba(255, 255, 255, 0.75); | ||
| backdrop-filter: blur(10px); | ||
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| & * { | ||
| scrollbar-color: var(--scrollbar-thumb) transparent; | ||
| } | ||
| } | ||
| } | ||
| } |
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🧹 Nitpick (assertive)
Verify Browser Compatibility for Advanced Media Query Styles
In this media query block, nested selectors with pseudo-classes (:not(:hover, :focus-within)) and properties like backdrop-filter are applied to .knt-panel and .knt-search-button. Ensure these advanced features and the custom scrollbar styling (using scrollbar-color with CSS variables) are supported across all target browsers, or consider adding vendor prefixes/fallbacks when needed.
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src/features/breadcrumbs/components/Breadcrumbs/Breadcrumbs.module.css(1 hunks)src/features/events_list/components/EventCard/EventCard.module.css(1 hunks)src/styles/glass-theme.css(1 hunks)
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🔇 Additional comments (2)
src/styles/glass-theme.css (2)
1-5: Implement Glass Effect for Breadcrumbs and Panel Icons
The new rules for.knt-breadcrumbs:not(.add-spec)and.knt-panel-icon:not(.add-spec)add a semi-transparent white background with a blur effect for a glass-like appearance. Verify that this aesthetic aligns with the overall theme and that properties likebackdrop-filterare supported across your target browsers.
16-18: Scrollbar Styling with Nested Selectors
The nested selector applies a customscrollbar-colorto all child elements. Ensure that your build pipeline supports CSS nesting (or that a suitable preprocessor is in place) and that the custom scrollbar style is supported in your target browsers.
| @@ -1,5 +1,5 @@ | |||
| .breadcrumbs { | |||
| border-radius: var(--half-unit); | |||
| border-radius: var(--border-radius); | |||
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🧹 Nitpick (assertive)
Using a Global Border Radius Variable
The updated line now sets border-radius to var(--border-radius), which is ideal for consistency across components. Please ensure that this CSS variable is defined globally (or within an appropriate scope) so that the intended styling is reliably applied.
| @@ -11,7 +11,7 @@ | |||
| background-color: var(--base-weak-up); | |||
| } | |||
| &.active { | |||
| background-color: var(--accent-weak); | |||
| background-color: #0516260f; | |||
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🧹 Nitpick (assertive)
Revised Active State Background Color
The background color for the .active state has been updated to #0516260f. Confirm that this specific RGBA value (with its opacity) aligns with the intended visual design for the glass theme.
| .knt-panel:not(.add-spec) { | ||
| background-color: rgba(255, 255, 255, 0.7); | ||
| backdrop-filter: blur(16px); | ||
| box-shadow: var(--shadow-small); | ||
| border-radius: 8px; | ||
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🧹 Nitpick (assertive)
Consistent Panel Styling in Glass Theme
The block for .knt-panel:not(.add-spec) applies a matching glass effect along with a subtle shadow and a fixed border-radius of 8px. Consider using a CSS variable for the border radius if consistency with other components is desired.
| box-shadow: var(--shadow-small); | ||
| border-radius: 8px; | ||
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| --faint-weak: none; |
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🧹 Nitpick (assertive)
Custom Property Scope Consideration
The declaration --faint-weak: none; is made within the .knt-panel:not(.add-spec) rule. Verify that its scoped effect is intentional. If this variable should be accessible globally, consider moving its declaration to a higher scope.
| .knt-toolbar-button:not(.add-spec) { | ||
| border: none; | ||
| } |
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🧹 Nitpick (assertive)
Toolbar Button Border Removal
The style for .knt-toolbar-button:not(.add-spec) explicitly removes the border. Confirm that this change preserves adequate focus or hover feedback and fits with the glass theme’s overall visual design.
https://kontur.fibery.io/Tasks/Task/Implement-glass-style-20907
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