| Purple/indigo defaults | #7c3aed, bg-purple-*, text-indigo-* | Token colors only (via decision tree — never invent purple token file) |
| Excessive gradients | bg-gradient-to-*, linear-gradient | Flat token colors |
| Rounded everything | rounded-2xl / rounded-3xl everywhere | Token --radius |
| Generic hero | Template layout, no content connection | Content-first layout |
| Hero-only landing | Plasma/hero + thin footer, no section stack | marketing-landing recipe (logo cloud → features → … → CTA) |
| Block-registry default | “Install @tailark / shadcn blocks” as first answer | Hand-roll from landing-sections.md (same as motion vocabulary) |
| Lorem ipsum | Placeholder copy | Realistic content |
| Oversized padding | p-8/p-12 on everything | Spacing hierarchy |
| Stock card grids | Uniform grids, no priority | Purpose-driven layout |
| Shadow-heavy | Layered competing shadows | Subtle or no shadow |
| Loud nav “active bar” | Thick left/right accent stripe on selected items | Quiet fill + weight/contrast only |
| Theme under sidebar | Labeled Dark mode in sidebar footer | Topbar moon/sun icon |
| Header account meta | Always-on name + email in topbar | Avatar → account menu |
Native filter <select> | OS chrome / cramped caret on dashboards | Custom select / combobox |
| Decorative motion spam | Hero+3D+Text+Spotlight+Carousel stacked; typewriter on forms | ≤2 families / ≤2–3 motions; see motion-families.md |