🎨 Palette: 인터랙티브 요소 클릭 시 피드백(active 상태) 추가

[seonghobae]

💡 What

버튼(.button) 및 언어 스위치(.language-switch button) 등 주요 인터랙티브 요소에 클릭 시 살짝 축소되는 시각적 효과(transform: scale(0.98) 등)를 추가했습니다.

🎯 Why

기존에는 마우스를 올렸을 때(:hover)의 효과는 있었으나, 실제로 클릭했을 때(:active)의 시각적 피드백이 부족했습니다. 사용자는 버튼이 제대로 눌렸는지 즉시 체감하기 어려웠으며, 이는 인터페이스가 반응하지 않는 것처럼 느껴지게 만들거나 중복 클릭을 유발할 수 있습니다. 즉각적인 tactile 피드백을 제공하여 UX를 개선했습니다.

📸 Before/After

로컬 Playwright 캡처를 통해 변경 사항 검증을 완료했습니다.

♿ Accessibility

시각 및 인지적 피드백 강화를 통해 인터페이스의 반응성을 높여 사용자의 조작 명확성을 개선했습니다.

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PR created automatically by Jules for task 4641358333274168801 started by @seonghobae

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📥 Commits

Reviewing files that changed from the base of the PR and between 312e452 and f0ffcfa.

📒 Files selected for processing (2)

• .Jules/palette.md
• styles.css

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[seonghobae]

Closing as a superseded duplicate of #142. Both PRs implement the same buyer-visible :active scale feedback for .button and .language-switch button; #142 is the existing maintained integration path and now carries explicit regression coverage binding the reviewed transition and exact scale values, plus the Unreleased changelog entry. This later branch adds no distinct product capability and retains only a transient .Jules note alongside the overlapping CSS. No checks, comments, or approvals from this PR transfer to #142.

[google-labs-jules]

Closing as a superseded duplicate of #142. Both PRs implement the same buyer-visible :active scale feedback for .button and .language-switch button; #142 is the existing maintained integration path and now carries explicit regression coverage binding the reviewed transition and exact scale values, plus the Unreleased changelog entry. This later branch adds no distinct product capability and retains only a transient .Jules note alongside the overlapping CSS. No checks, comments, or approvals from this PR transfer to #142.

알겠습니다. 이 PR은 중복 작업으로 인해 종결되는 것으로 이해했습니다. 이에 따라 작업을 중단하고 변경 사항을 초기화했습니다.