Soften red accents: #C0392B -> #E74C3C for buttons, borders, headers

Redesign UI: protein=red, text=blue theme; refined layout and styling

Enhanced T2P interface: structured prompt builder, random example, direct input

Fix: remove sdk_version pin, pin jinja2, simplify launch for HF Spaces

Auto-download checkpoint from REXWind/ouroboros-weights model repo

Add Ouroboros dual T5 demo: protein-text bidirectional generation