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Fix sticky table header transparency with backdrop-filter blur in dark mode#23999

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crazywoola merged 3 commits intolanggenius:mainfrom
lyzno1:fix/sticky-header-transparent-background
Aug 18, 2025
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Fix sticky table header transparency with backdrop-filter blur in dark mode#23999
crazywoola merged 3 commits intolanggenius:mainfrom
lyzno1:fix/sticky-header-transparent-background

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@lyzno1 lyzno1 commented Aug 15, 2025

Summary

Fixes #23998

This PR resolves a visual issue where the sticky table header in the datasets hit-testing page uses a transparent background in dark mode, causing scrolling content to show through the header and creating poor readability.

Changes:

  • Restored --color-background-section-burn in dark mode to rgb(24 24 27 / 0.6) (semi-transparent)
  • Added backdrop-filter: blur(5px) to the sticky table header for proper glass morphism effect
  • This approach maintains the modern UI design while preventing content bleeding through

The fix uses the standard pattern found throughout the codebase where backdrop-blur-[5px] is combined with semi-transparent backgrounds to create proper glass morphism effects, rather than resorting to opaque backgrounds.

Screenshots

Before After
image image

Checklist

  • This change requires a documentation update, included: Dify Document
  • I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
  • I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
  • I've updated the documentation accordingly.
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

- Change --color-background-section-burn from transparent to opaque in dark mode
- Prevents content from showing through sticky header during scroll
- Light mode unchanged (already opaque)
- Resolves visual overlap in datasets hit-testing table
@dosubot dosubot bot added the size:XS This PR changes 0-9 lines, ignoring generated files. label Aug 15, 2025
@lyzno1 lyzno1 changed the title Fix sticky table header transparency causing content overlap in dark mode Fix sticky table header transparency with backdrop-filter blur in dark mode Aug 15, 2025
@dosubot dosubot bot added the lgtm This PR has been approved by a maintainer label Aug 18, 2025
@crazywoola crazywoola merged commit 9755564 into langgenius:main Aug 18, 2025
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bowenliang123 pushed a commit to bowenliang123/dify that referenced this pull request Aug 18, 2025
asukaminato0721 added a commit to asukaminato0721/dify that referenced this pull request Aug 20, 2025
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Co-authored-by: Yongtao Huang <[email protected]>
Co-authored-by: crazywoola <[email protected]>

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* feat: add select input support to the conversation opener (langgenius#24043)

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* feat: add Redis SSL/TLS certificate authentication support (langgenius#23624)

* Fix sticky table header transparency with backdrop-filter blur in dark mode (langgenius#23999)

* fix: update first_id logic to use the oldest answer item in chat messages (langgenius#23992)

Co-authored-by: Copilot <[email protected]>
Co-authored-by: crazywoola <[email protected]>

* refactor: improve loading animation and debug panel styles (langgenius#24075)

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Co-authored-by: stream <[email protected]>
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Co-authored-by: Stream <[email protected]>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

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* chore: translate i18n files (langgenius#24081)

Co-authored-by: Stream29 <[email protected]>

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* fix(ui): Optimize UI component styles and layouts (langgenius#24090) (langgenius#24092)

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

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Co-authored-by: Yongtao Huang <[email protected]>

* fix: treat default template of code as empty (langgenius#24106)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

* Bump pyobvector to 0.2.15 (langgenius#24120)

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

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Co-authored-by: crazywoola <[email protected]>

* chore: translate i18n files (langgenius#24131)

Co-authored-by: crazywoola <[email protected]>

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Co-authored-by: crazywoola <[email protected]>

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Co-authored-by: Joel <[email protected]>
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---------

Signed-off-by: yihong0618 <[email protected]>
Co-authored-by: Yongtao Huang <[email protected]>
Co-authored-by: Yongtao Huang <[email protected]>
Co-authored-by: crazywoola <[email protected]>
Co-authored-by: lyzno1 <[email protected]>
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Co-authored-by: Zhehao Peng <[email protected]>
Co-authored-by: -LAN- <[email protected]>
Co-authored-by: Guangdong Liu <[email protected]>
Co-authored-by: Copilot <[email protected]>
Co-authored-by: Wu Tianwei <[email protected]>
Co-authored-by: Maries <[email protected]>
Co-authored-by: Joel <[email protected]>
Co-authored-by: stream <[email protected]>
Co-authored-by: Stream <[email protected]>
Co-authored-by: Stream <[email protected]>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Bo Wu <[email protected]>
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Co-authored-by: Stream29 <[email protected]>
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Co-authored-by: GuanMu <[email protected]>
Co-authored-by: Elvis_LEE <[email protected]>
Co-authored-by: He Wang <[email protected]>
Co-authored-by: crazywoola <[email protected]>
Co-authored-by: 9527MrLi <[email protected]>
Co-authored-by: shiyun.li973792 <[email protected]>
Co-authored-by: 1wangshu <[email protected]>
Co-authored-by: Blackoutta <[email protected]>
Co-authored-by: KVOJJJin <[email protected]>
Co-authored-by: yihong <[email protected]>
qiqizjl pushed a commit to qiqizjl/dify that referenced this pull request Aug 27, 2025
HarryReidx pushed a commit to HarryReidx/dify that referenced this pull request Sep 1, 2025
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[Chore/Refactor] Fix sticky table header transparency causing content overlap in dark mode

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