- Replaced card-based input sections with tabs (Parameters / Royalties / Artists)
- Removed ph-currency-rub and ph-hand-coins (missing icons)
- Added ph-currency-circle-dollar and ph-coins instead
- Updated artist list to real names
- Added tab switching logic inline in index.html
- Cleaned up CSS styles for new layout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>