Build a Personal Operating System in HTML

Build a complete, functional personal operating system in a single HTML file using HTML, CSS, and JavaScript. WHAT IT DOES A persistent "personal OS" that captures your notes, meetings, and ideas, then connects them across projects. It's a system that grows with you, your central hub for everything. CORE FEATURES 1. Home Dashboard - A clean overview: Today's agenda, Quick capture, Recent activity, Key projects, Today's focus (1-3 things) - A daily prompt or quote - Quick-add from anywhere 2. Notes & Ideas - Capture thoughts with: Title, Content, Tags, Project Association - Rich text editing: bold, italic, bullet points, headings - Search across all notes by title, content, or tags - Link notes to each other (wiki-style) - Auto-save as you type - Organize by: Projects, Tags, Date 3. Projects & Goals - Create projects with: Name, Description, Status, Deadline - Attach notes, tasks, and ideas to each project - Project progress bar - Goal tracking: long-term goals broken into milestones - Visualize project connections 4. Tasks & Action Items - Create tasks with: Title, Description, Due Date, Priority, Project - Group by: Today, This Week, Later, Project - Mark complete with visual feedback - Subtasks - Recurring tasks 5. Meetings & Events - Log meetings with: Title, Date, Attendees, Notes, Action items - Calendar view of upcoming meetings - Connect meeting notes to projects - Quick summary of past meetings 6. Daily Review - Morning: Set intention for the day - Evening: Reflect on what got done - Weekly: Review what worked, what didn't - AI-generated summary of activity 7. Connections Map - Visual map showing how notes, tasks, projects, and meetings connect - View relationships between items - Discover patterns 8. Customization - Light mode / Dark mode toggle - Customize primary and accent colors - Show/hide sections you don't use - Rearrange dashboard widgets 9. Data Persistence - All data saved to localStorage - Export all data as JSON - Import data from JSON backup TECHNICAL REQUIREMENTS - Single HTML file with embedded CSS and JavaScript - Responsive: works on desktop and tablet - Clean, minimal, distraction-free aesthetic - No external dependencies (use vanilla JS) Build a polished, functional personal operating system that someone would actually want to use as their central hub.