overhaul: migrated to tailwind css for css management, consolidated custom css, removed inline css, removed unneeded css, and otherwise improved page styling

docs/NODE_DEPENDENCIES.md

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+# Node.js Dependencies for Web UI Development
+
+## Prerequisites
+- Node.js 18+ (LTS recommended)
+- npm 9+ (comes with Node.js)
+
+## Installation
+```bash
+npm install
+```
+
+## Dependencies
+
+### Tailwind CSS v3
+- **tailwindcss**: Utility-first CSS framework
+- **postcss**: CSS transformation tool
+- **autoprefixer**: Adds vendor prefixes automatically
+
+### TypeScript
+- **typescript**: TypeScript compiler for type-safe JavaScript
+
+## Build Commands
+
+### CSS Build
+```bash
+npm run build:css    # One-time build
+npm run watch:css    # Watch mode for development
+```
+
+### TypeScript Build
+```bash
+npm run build:ts     # One-time build
+npm run watch:ts     # Watch mode for development
+```
+
+### Combined Build
+```bash
+npm run build        # Build CSS and TypeScript
+npm run watch        # Watch both CSS and TypeScript
+```
+
+## Project Structure
+- `code/web/static/tailwind.css` - Tailwind entry point (source)
+- `code/web/static/styles.css` - Generated CSS (git-ignored)
+- `code/web/static/ts/` - TypeScript source files
+- `code/web/static/js/` - Compiled JavaScript (git-ignored)
+
+## Configuration Files
+- `tailwind.config.js` - Tailwind CSS configuration
+- `postcss.config.js` - PostCSS configuration
+- `tsconfig.json` - TypeScript compiler configuration
+- `package.json` - npm scripts and dependencies