Color Palette for Fitness/Gym App. Primary: #F97316 (on-primary: #0F172A). Secondary: #FB923C (on-secondary: #0F172A). Accent: #22C55E (on-accent: #0F172A). Background: #1F2937. Foreground: #F8FAFC. Card: #313742 (card-foreground: #F8FAFC). Muted: #37414F (muted-foreground: #94A3B8). Border: #374151. Destructive: #EF4444 (on-destructive: #FFFFFF). Ring: #F97316. Notes: Energy orange + success green.