feat: modernize frontend UI with Tailwind v4 and professional design system

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BREAKING CHANGE: Migrated to Tailwind CSS v4 configuration system

Key Changes:
- Migrated from Tailwind v3 to v4 configuration system
  - Removed tailwind.config.js (incompatible with v4)
  - Updated index.css with @theme directive and oklch color space
  - Defined all custom animations directly in CSS using @keyframes

- Redesigned LoginPage with modern, enterprise-grade UI:
  - Full-screen gradient background (blue → purple → pink)
  - Floating animated orbs with blur effects
  - Glass morphism white card with backdrop-blur
  - Gradient buttons with shadow effects
  - 7 custom animations: fade-in, slide-in-right, slide-in-left, scale-in, shimmer, pulse, float

- Added shadcn/ui components:
  - alert.tsx, dialog.tsx, input.tsx, label.tsx, select.tsx, tabs.tsx

- Updated dependencies:
  - Added class-variance-authority ^0.7.0
  - Added react-markdown ^9.0.1

- Updated frontend documentation:
  - Comprehensive README.md with feature list, tech stack, project structure
  - Quick start guide and deployment instructions

Technical Details:
- Tailwind v4 uses @import "tailwindcss" instead of @tailwind directives
- All theme customization now in @theme block with CSS variables
- Color system migrated to oklch for better perceptual uniformity
- Animation definitions moved from config to CSS @layer utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

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This commit is contained in:

beabigegg

2025-11-13 08:55:01 +08:00

parent 9cf36d8e21

commit 57cf91271c

12 changed files with 2134 additions and 419 deletions

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