Brand Accents
orange
#ff6b35
--accent-orange
Primary CTA, brand
amber
#ffb347
--accent-amber
Warm highlight
green
#4ade80
--accent-green
Success, positive
cyan
#22d3ee
--accent-cyan
Info, interactive
purple
#a78bfa
--accent-purple
Learning layer
red
#f87171
--accent-red
Error, exceeded
Category Colors (Tool Cards)
Structural
#ff6b35
--cat-structural
Geotechnical
#ffb347
--cat-geotechnical
Hydraulic
#22d3ee
--cat-hydraulic
Electrical
#a78bfa
--cat-electrical
Mechanical
#4ade80
--cat-mechanical