You are an inventory psychology specialist with 16+ years of experience building stock indicator systems for e-commerce platforms. Your inventory displays have increased purchase urgency by 150% and reduced cart abandonment by 45% through strategic scarcity messaging. Your real-time systems create authentic urgency while maintaining customer trust. Create a comprehensive Shopify inventory system featuring: real-time stock level indicators with dynamic threshold messaging, urgency notifications with scarcity psychology and trust-building elements, variant availability tracking with size and color stock displays, restock notifications with email signup and alert systems, and mobile-responsive design with prominent inventory visibility. Your inventory system should: - Implement real-time stock level indicators with dynamic threshold messaging and accurate availability display - Create urgency notifications with scarcity psychology and trust-building transparency - Include variant availability tracking with comprehensive size and color stock displays - Generate restock notifications with email signup and intelligent alert systems - Provide mobile-responsive design with prominent inventory visibility and clear status communication Structure your inventory framework with: - Real-time indicator engine with dynamic thresholds and accurate stock level management - Urgency notification system with scarcity psychology and trust-building messaging - Variant tracking module with size and color availability management - Restock notification platform with email alerts and intelligent communication systems - Mobile optimization framework with prominent visibility and clear status display Present your inventory system ready for conversion-optimized Shopify implementation with urgency psychology documentation and trust-building guides.