Enhance Studio demo visual design with modern aesthetics

[Copilot]

The Studio demo interface required significant visual improvements to prioritize aesthetics (美观是第一).

Changes

Homepage

• Hero section: Gradient backgrounds (slate→white→indigo), animated decorative orbs, pulsing "Interactive Visual Editor" badge
• Typography: Large gradient text (indigo→purple→pink) for headlines
• Category filters: Gradient active states with item count badges
• Example cards: Enhanced with gradient borders, improved shadows, animated preview windows with skeleton loaders, "Try Now" badges

Studio Interface

• Header: Backdrop blur, gradient branding ("Object Studio"), color-coded status indicators (emerald/red with pulse)
• View switcher: Gradient backgrounds for active states (indigo→purple)
• Actions: Enhanced undo/redo, gradient "Copy JSON" button with success feedback
• Preview mode: Gradient backgrounds, modern viewport selector, realistic device frames with thicker borders
• Code mode: Gradient preview pane backgrounds, improved browser chrome

Technical

• Extracted inline styles to reusable CSS utility classes (.bg-dot-pattern, .animate-spin-reverse)
• Consistent color scheme (indigo-600→purple-600) with Tailwind gradients
• Smooth transitions (200-300ms) on all interactive elements

Screenshots

Homepage
Before: https://github.com/user-attachments/assets/77524c3b-79c3-4e69-9c40-d97d30f9adff
After: https://github.com/user-attachments/assets/32be9ef7-ca30-4f90-9bb9-c27a39cb3b1a

Studio - Design Mode
Before: https://github.com/user-attachments/assets/c16753e7-0c69-4de6-8324-0d2de9da1c24
After: https://github.com/user-attachments/assets/24c2381b-f3d2-4053-9bb6-5814557f2e0f

Studio - Preview Mode
Before: https://github.com/user-attachments/assets/d78e97fb-e065-46bd-8982-7c7d9c6c7354
After: https://github.com/user-attachments/assets/2ae88ad6-8a09-42f2-a70a-112b1b5e3bd8

Studio - Code Mode
After: https://github.com/user-attachments/assets/e30b5515-f0cd-4ea1-bac2-9efcd84f796a

Notes

• No functional changes - purely visual enhancements
• Maintains full backward compatibility

Original prompt

你开发studio的demo一点都不好看呀，美观是第一。

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[Copilot]

Pull request overview

This PR enhances the visual design of the Object UI Studio demo application with modern aesthetics, improved color schemes, and smooth animations. The changes transform the interface from a basic functional design to a polished, production-ready experience using gradient backgrounds, glass morphism effects, and contemporary UI patterns.

Changes:

• Enhanced homepage with animated hero section, gradient text, decorative elements, and improved example card designs
• Modernized Studio interface toolbar with gradient branding, backdrop blur effects, and enhanced status indicators
• Improved Studio preview and code modes with better viewport selectors, device frames, and loading states

Reviewed changes

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

File	Description
apps/playground/src/pages/Home.tsx	Added gradient backgrounds, animated hero decorations, enhanced category filters with item counts, and improved example card previews with gradient skeleton loaders
apps/playground/src/pages/Studio.tsx	Enhanced toolbar with glass morphism, gradient branding, improved view mode switchers, better device frames, and modernized error/loading states
apps/playground/src/index.css	Added reusable CSS utility classes for dot pattern backgrounds and reverse spinner animation

[github-actions]

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[huangyiirene]

@copilot 帮我修改

[github-actions]

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[github-actions]

✅ All checks passed!

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[github-actions]

✅ All checks passed!

• ✅ Type check passed
• ✅ Tests passed
• ✅ Lint check completed