frontend/src/index.css

@import "tailwindcss";

@theme {
  /* Your core brand color */
  --color-navy: #000080;
  
  /* Medical Accents */
  --color-clinical-teal: #0F766E;
  --color-surgical-mint: #10B981;
  --color-trust-cyan: #0EA5E9;
  
  /* Alert color for "Pneumonia Detected" */
  --color-critical-red: #EF4444; 
}