This is a single-file, professional-grade web application built to the specifications provided. It includes the calculation engine, responsive UI, glassmorphism design, and real-time computation logic. Save the following code as an `.html` file (e.g., `weight-calculator.html`) and open it in any modern browser. ```html Free Cosplay Armor Weight Calculator: Worbla vs EVA Foam

Cosplay Armor Weight Calculator

Worbla vs EVA Foam – Plan your build for all-day comfort.

Project Configuration

Compare Two Materials

Unit System

Length

Width

Thickness

Material Type A

Result: Primary

0.00

grams

Comfort Level -

Project Configuration

Result: Primary

Result: Comparison