🎨 Palette: [UX 개선] 상호작용 요소 클릭 시 즉각적인 시각 피드백(Active Scale) 추가

[seonghobae]

💡 What

• .button 요소와 언어 전환 버튼(.language-switch button)에 :active 가상 클래스를 추가하여 클릭 시 미세하게 축소되는 애니메이션(transform: scale())을 구현했습니다.

🎯 Why

• 단순한 호버(Hover) 상태 변화(투명도 등)만으로는 사용자가 실제로 버튼을 성공적으로 클릭했는지 즉시 직관적으로 인지하기 어렵습니다.
• 버튼이 물리적으로 눌리는 듯한 촉각적(Tactile) 시각 피드백을 제공함으로써 UI 반응성을 높이고, 전반적인 Micro-UX의 퀄리티를 향상하기 위함입니다.

📸 Before/After

• Before: 클릭해도 시각적인 크기 변화가 없어 밋밋한 느낌
• After: 클릭(mousedown) 시 버튼이 부드럽게 2~4% 작아지면서 확실한 클릭 피드백 제공 (Playwright 스크린샷으로 active 상태 렌더링 확인 완료)

♿ Accessibility

• transform을 활용한 애니메이션이므로 Layout Thrashing을 유발하지 않으며, 기존 포커스 시각화(focus-visible)와의 충돌 없이 키보드 및 마우스 사용자 모두에게 자연스러운 피드백을 제공합니다.

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PR created automatically by Jules for task 3170298660414532148 started by @seonghobae

Summary by CodeRabbit

• 개선 사항

  • 버튼과 언어 전환 컨트롤을 누를 때 미세한 축소 효과가 적용되어 즉각적인 클릭 피드백을 제공합니다.
  • 버튼 상호작용 전환이 개선되어 더욱 자연스러운 사용 경험을 제공합니다.

• 문서

  • 클릭 피드백 및 UX·접근성 개선 사항을 관련 문서와 변경 기록에 반영했습니다.

[google-labs-jules]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 0ea81a63-3577-4dca-89fe-87aeb66b0989

📥 Commits

Reviewing files that changed from the base of the PR and between d06c1cb and d414923.

📒 Files selected for processing (3)

• .jules/palette.md
• CHANGELOG.md
• styles.css

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📝 Walkthrough

Walkthrough

버튼과 언어 전환 버튼의 :active 상태에 transform: scale() 효과와 전환을 추가하고, 관련 지침 및 변경 기록을 갱신했습니다.

Changes

클릭 피드백

Layer / File(s)	Summary
버튼 active 피드백 스타일 styles.css, .jules/palette.md, CHANGELOG.md	언어 전환 버튼과 공용 버튼에 opacity 및 transform 전환과 :active 스케일 축소를 추가하고, 해당 UX 변경 사항을 문서와 변경 기록에 반영했습니다.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Suggested reviewers:copilot

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	제목이 상호작용 요소의 active scale 기반 클릭 피드백 추가라는 핵심 변경을 명확하고 구체적으로 요약합니다.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch palette/button-active-state-3170298660414532148

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[Copilot]

Pull request overview

Adds immediate tactile click feedback to interactive elements on the static site by applying subtle :active scale transforms, and documents the user-facing change.

Changes:

• Add transform transitions and :active { transform: scale(...) } feedback for .language-switch button and .button.
• Document the UX/accessibility improvement in CHANGELOG.md.
• Add a palette learning-journal entry (currently introduced under a conflicting path casing).

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
styles.css	Adds :active scale feedback + transform transitions for key interactive buttons.
CHANGELOG.md	Records the new click-feedback UX/accessibility improvement under [Unreleased].
.jules/palette.md	Adds a learning-journal entry, but introduces a case-only path conflict with existing .Jules/palette.md.

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[seonghobae]

Closing as a superseded duplicate of #142. PR #142 carries the same button and language-switch :active feedback on the current base and adds explicit regression coverage for both selectors and their transform transitions. The older branch has been reviewed, but retaining both would create competing style branches and stale-head verification work.

[google-labs-jules]

Closing as a superseded duplicate of #142. PR #142 carries the same button and language-switch :active feedback on the current base and adds explicit regression coverage for both selectors and their transform transitions. The older branch has been reviewed, but retaining both would create competing style branches and stale-head verification work.

Understood. Acknowledging that this work is now obsolete and stopping work on this task.