Transform webapp into Resume Branches - Git for CVs

Features:
- Complete CV version control system with branching and submission tracking
- Interactive tree visualization showing master resume, branches, and submissions
- Diff viewer for tracking changes between CV versions
- Professional landing page with Git for CVs messaging
- Modern dashboard with three-panel layout (tree, details, preview)
- ATS-safe design philosophy throughout
- Tailwind 4 configuration with professional design system

Components:
- CVTree: Interactive expandable tree for CV versions
- DiffViewer: Visual diff display with add/remove/change highlighting
- Comprehensive data models for documents, versions, patches, submissions
- Upload modal and action buttons for CV management
- Status tracking and public sharing indicators

Architecture:
- TypeScript types for complete CV management workflow
- Responsive design with proper hover states and animations
- Mock data demonstrating realistic ML Engineer and Backend Engineer branches
- Ready for FastAPI backend integration and DOCX processing

This implements the complete 'Resume Branches' vision as a modern webapp
that treats CV management like version control for documents.

apps/webapp/tailwind.config.ts

@@ -0,0 +1,107 @@
+import type { Config } from "tailwindcss";
+
+const config: Config = {
+  content: [
+    "./src/pages/**/*.{js,ts,jsx,tsx,mdx}",
+    "./src/components/**/*.{js,ts,jsx,tsx,mdx}",
+    "./src/app/**/*.{js,ts,jsx,tsx,mdx}",
+  ],
+  theme: {
+    extend: {
+      colors: {
+        background: "var(--background)",
+        foreground: "var(--foreground)",
+        primary: {
+          50: "#f0f9ff",
+          100: "#e0f2fe",
+          200: "#bae6fd",
+          300: "#7dd3fc",
+          400: "#38bdf8",
+          500: "#0ea5e9",
+          600: "#0284c7",
+          700: "#0369a1",
+          800: "#075985",
+          900: "#0c4a6e",
+        },
+        gray: {
+          50: "#f9fafb",
+          100: "#f3f4f6",
+          200: "#e5e7eb",
+          300: "#d1d5db",
+          400: "#9ca3af",
+          500: "#6b7280",
+          600: "#4b5563",
+          700: "#374151",
+          800: "#1f2937",
+          900: "#111827",
+        },
+        success: {
+          50: "#ecfdf5",
+          100: "#d1fae5",
+          200: "#a7f3d0",
+          300: "#6ee7b7",
+          400: "#34d399",
+          500: "#10b981",
+          600: "#059669",
+          700: "#047857",
+          800: "#065f46",
+          900: "#064e3b",
+        },
+        warning: {
+          50: "#fffbeb",
+          100: "#fef3c7",
+          200: "#fde68a",
+          300: "#fcd34d",
+          400: "#fbbf24",
+          500: "#f59e0b",
+          600: "#d97706",
+          700: "#b45309",
+          800: "#92400e",
+          900: "#78350f",
+        },
+        error: {
+          50: "#fef2f2",
+          100: "#fee2e2",
+          200: "#fecaca",
+          300: "#fca5a5",
+          400: "#f87171",
+          500: "#ef4444",
+          600: "#dc2626",
+          700: "#b91c1c",
+          800: "#991b1b",
+          900: "#7f1d1d",
+        }
+      },
+      fontFamily: {
+        sans: ["var(--font-sans)", "Inter", "system-ui", "sans-serif"],
+        mono: ["var(--font-mono)", "Consolas", "Monaco", "monospace"],
+      },
+      spacing: {
+        '18': '4.5rem',
+        '88': '22rem',
+      },
+      animation: {
+        'fade-in': 'fadeIn 0.5s ease-in-out',
+        'slide-up': 'slideUp 0.3s ease-out',
+        'slide-down': 'slideDown 0.3s ease-out',
+      },
+      keyframes: {
+        fadeIn: {
+          '0%': { opacity: '0' },
+          '100%': { opacity: '1' },
+        },
+        slideUp: {
+          '0%': { transform: 'translateY(10px)', opacity: '0' },
+          '100%': { transform: 'translateY(0)', opacity: '1' },
+        },
+        slideDown: {
+          '0%': { transform: 'translateY(-10px)', opacity: '0' },
+          '100%': { transform: 'translateY(0)', opacity: '1' },
+        },
+      },
+    },
+  },
+  plugins: [],
+};
+
+export default config;