docs: Update Input/Select/Card to semantic aliases + raise maturity to 83%

- RFC-002 Input:
  - Token Dependencies updated to semantic aliases with primitives
  - All tokens now map through color.surface, color.border, color.text, color.status
  - No direct color references (e.g., semantic-red-500 → color.status.danger)
  - Helper/error text uses semantic tokens

- RFC-003 Select:
  - Token Dependencies updated to semantic aliases with primitives
  - Dropdown, option, and error states use semantic tokens
  - Selected option uses color.action.primary at 10% opacity
  - No direct color references

- RFC-004 Card:
  - Token Dependencies updated to semantic aliases with primitives
  - Surface, border, text hierarchy use semantic tokens
  - Shadow tokens mapped to elevation system
  - No direct color references

- COMPLIANCE_MATRIX.md:
  - Input: 33% → 83%
  - Select: 33% → 83%
  - Card: 33% → 83%
  - All now have Governance ✅, Tokens ✅, Motion ✅, Accessibility ✅, AI ✅

Rationale: Semantic model first. Components never reference primitives.
Token contracts (purpose, allowed, forbidden) ensure correct usage.
Dark mode implementable via token swap without component changes.

docs/design/RFC-002-Input.md

@@ -100,20 +100,22 @@ Input exists to capture free-form text or numeric data from the user. It is the
 
 | Token | Semantic Reference | Usage |
 |-------|-------------------|-------|
-| `input-bg` | `surface-primary` | Background |
-| `input-border` | `border-default` | Default border |
-| `input-border-focus` | `brand-500` | Focus border |
-| `input-border-error` | `semantic-red-500` | Error border |
-| `input-text` | `text-primary` | Input text |
-| `input-placeholder` | `text-muted` | Placeholder text |
-| `input-padding` | `space-3` | Internal padding |
-| `input-radius` | `radius-md` | Border radius |
-| `input-height-sm` | `space-8` | Small height (32px) |
-| `input-height-md` | `space-10` | Medium height (40px) |
-| `input-height-lg` | `space-12` | Large height (48px) |
-| `input-error-bg` | `semantic-red-50` | Error background tint |
-| `input-disabled-bg` | `surface-secondary` | Disabled background |
-| `input-disabled-text` | `text-muted` | Disabled text |
+| Token | Semantic Alias | Primitive | Usage |
+|-------|---------------|-----------|-------|
+| `input-bg` | `color.surface.default` | `gray-0` | Background |
+| `input-border` | `color.border.default` | `gray-200` | Default border |
+| `input-border-focus` | `color.border.focus` | `blue-500` | Focus border |
+| `input-border-error` | `color.border.error` | `red-500` | Error border |
+| `input-text` | `color.text.primary` | `gray-900` | Input text |
+| `input-placeholder` | `color.text.muted` | `gray-400` | Placeholder text |
+| `input-padding` | `space-3` | `12px` | Internal padding |
+| `input-radius` | `radius-md` | `8px` | Border radius |
+| `input-height-sm` | `space-8` | `32px` | Small height |
+| `input-height-md` | `space-10` | `40px` | Medium height |
+| `input-height-lg` | `space-12` | `48px` | Large height |
+| `input-error-bg` | `color.status.danger` (at 5%) | `red-50` | Error background tint |
+| `input-disabled-bg` | `color.surface.raised` | `gray-50` | Disabled background |
+| `input-disabled-text` | `color.text.muted` | `gray-400` | Disabled text |
 
 ---
 
@@ -132,7 +134,7 @@ Input exists to capture free-form text or numeric data from the user. It is the
 
 - **Label:** Above input, left-aligned, `text-sm`, `font-medium`
 - **Input:** Full width of container, padding `space-3`
-- **Helper/Error:** Below input, `text-xs`, `text-muted` (helper) or `semantic-red-500` (error)
+- **Helper/Error:** Below input, `text-xs`, `color.text.muted` (helper) or `color.status.danger` (error)
 - **Gap:** `space-1` between label and input, `space-1` between input and helper
 
 ---