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+# Implementation Plan
+
+## Objective
+
+Rewrite task descriptions in the Colors (4 lessons) and Box Model (8 lessons x 6 locales) modules so they describe desired visual outcomes rather than giving exact CSS declarations. For colors, also update validations to accept multiple valid color values.
+
+## Approach
+
+This follows the same pattern as the flexbox fix (PR #5). Two types of changes:
+
+1. **Colors module**: Rewrite tasks AND update validations from `property_value` (single answer) to `regex` (multiple valid colors). This is because the issue explicitly says "accept multiple valid solutions" and colors naturally have many equivalent options.
+2. **Box Model module**: Rewrite tasks only. Validation messages already use pedagogical hints. Box model properties have specific correct answers (e.g., `box-sizing: border-box` has no alternative), so validations stay as-is.
+
+## File Mapping
+
+| File | Action | Description |
+|------|--------|-------------|
+| `lessons/03-colors.json` | modify | Rewrite 4 tasks + change 4 validations from `property_value` to `regex` |
+| `lessons/01-box-model.json` | modify | Rewrite 8 task fields |
+| `lessons/ar/01-box-model.json` | modify | Rewrite 8 task fields (Arabic) |
+| `lessons/de/01-box-model.json` | modify | Rewrite 8 task fields (German) |
+| `lessons/es/01-box-model.json` | modify | Rewrite 8 task fields (Spanish) |
+| `lessons/pl/01-box-model.json` | modify | Rewrite 8 task fields (Polish) |
+| `lessons/uk/01-box-model.json` | modify | Rewrite 8 task fields (Ukrainian) |
+
+No validator code changes needed — existing `regex` type already supports multi-value patterns.
+
+## Detailed Changes
+
+### Colors Module
+
+#### colors-1 (Background Color)
+- **Task**: Describe that notification card looks bare, needs a soft warm background
+- **Validation**: Change from `property_value` (seashell only) to `regex` accepting warm named colors (seashell, linen, mistyrose, lavenderblush, cornsilk, oldlace, papayawhip, antiquewhite, bisque, peachpuff)
+- **Message**: Hint at background-color property
+
+#### colors-2 (Text Color)
+- **Task**: Describe that title needs to pop with a warm accent color
+- **Validation**: Change from `property_value` (coral only) to `regex` accepting warm accent colors (coral, tomato, orangered, indianred, salmon, darksalmon)
+- **Message**: Hint at color property
+
+#### colors-3 (Border Color)
+- **Task**: Describe that card border needs a warm accent color
+- **Validation**: Change from `property_value` (coral only) to `regex` accepting warm accent colors (coral, tomato, orangered, indianred, salmon, darksalmon, crimson)
+- **Message**: Hint at border-color property
+
+#### colors-4 (Hex Colors)
+- **Task**: Describe wanting a gold/yellow badge background, mentioning hex format since that's the lesson's teaching point
+- **Validation**: Change from `property_value` (#ffd700 only) to `regex` accepting gold hex variants (#ffd700, #ffcc00, #ffc107, #f0c000) and also the named color `gold`
+- **Message**: Hint at using a hex code for background-color
+
+### Box Model Module (per-lesson, applied across all 6 locales)
+
+#### box-model-1 (Padding)
+- **Current**: "Add `padding: 1rem`..."
+- **New**: Describe that text is pressed against the edges and needs inner breathing room
+
+#### box-model-2 (Borders)
+- **Current**: "Add `border-left: 4px solid steelblue`"
+- **New**: Describe wanting a colored accent line on the left side of the card
+
+#### box-model-3 (Margins)
+- **Current**: "Add `margin-bottom: 1rem`"
+- **New**: Describe that the two cards are touching and need space between them
+
+#### box-model-4 (Box Sizing)
+- **Current**: "Fix with `box-sizing: border-box`"
+- **New**: Describe the visual problem (right card overflows) and ask to fix its sizing model
+
+#### box-model-5 (Padding Shorthand)
+- **Current**: "Set `padding: 8px 1rem`"
+- **New**: Describe the button needing more horizontal than vertical space, mention the two-value shorthand concept
+
+#### box-model-6 (Margin Shorthand)
+- **Current**: "Set `margin: 0 auto`"
+- **New**: Describe the card being left-aligned and needing to be horizontally centered
+
+#### box-model-7 (Border Radius)
+- **Current**: "Make with `border-radius: 50%`"
+- **New**: Describe the square avatar needing to appear as a circle
+
+#### box-model-8 (Complete Card)
+- **Current**: Lists all 3 exact property declarations
+- **New**: Describe three visual goals: inner spacing, left accent line, softened corners
+
+## Architecture Decisions
+
+1. **No validator code changes**: The existing `regex` validation type handles multi-value matching.
+2. **Colors get multi-value validations**: Colors naturally have equivalents (coral vs tomato). Accept a curated set of named colors per lesson.
+3. **Box model keeps exact validations**: Properties like `padding: 1rem` or `box-sizing: border-box` have only one correct answer. The task text changes are sufficient.
+4. **Solution fields unchanged**: The `solution` field shows the canonical answer and is unrelated to copy-paste behavior.
+5. **codePrefix unchanged**: Already shows the selector context.
+
+## Risks
+
+| Risk | Likelihood | Mitigation |
+|------|-----------|------------|
+| Color regex too permissive/restrictive | Medium | Curate a small set of 6-10 named colors per lesson that visually work in the preview |
+| Locale translations lose nuance | Low | Follow the same structure: describe the visual outcome in each language |
+| Box model tasks become too vague | Low | Keep mentioning the visual problem — students have the description for concept reference |
+
+## Testing Strategy
+
+1. Run `npm run test` — all existing tests should pass
+2. Run `npm run format.lessons` — ensure JSON files are properly formatted
+3. Verify JSON schema conformance for all modified files
diff --git a/specs/009-colors-boxmodel-tasks/spec.md b/specs/009-colors-boxmodel-tasks/spec.md
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+# fix: rewrite colors and box-model task descriptions to remove copy-paste answers
+
+**Issue**: [public/code-crispies#9](https://git.librete.ch/public/code-crispies/issues/9)
+**State**: open
+**Author**: libretech
+**Labels**: none
+**Complexity**: medium
+
+## Issue Body
+
+Pedagogy audit Runde 3: Colors (copy-paste 90%) and Box Model (copy-paste 85%) are the next worst modules after flexbox was fixed. Same pattern — task says 'Add background-color: coral' and student just types it. Rewrite to describe desired outcome: 'The card background should be a warm color.' Accept multiple valid solutions.
+
+## Current State
+
+### Colors Module (`lessons/03-colors.json`) — English only, 4 lessons
+
+| Lesson | Current Task (gives away answer) |
+|--------|----------------------------------|
+| colors-1 | "Add `background-color: seashell`" |
+| colors-2 | "Add `color: coral`" |
+| colors-3 | "Add `border-color: coral`" |
+| colors-4 | "Add `background-color: #ffd700`" |
+
+All 4 validations use `property_value` with exact expected values — only one answer accepted.
+
+### Box Model Module (`lessons/01-box-model.json`) — 6 locales (en, ar, de, es, pl, uk), 8 lessons
+
+| Lesson | Current Task (gives away answer) |
+|--------|----------------------------------|
+| box-model-1 | "Add `padding: 1rem`" |
+| box-model-2 | "Add `border-left: 4px solid steelblue`" |
+| box-model-3 | "Add `margin-bottom: 1rem`" |
+| box-model-4 | "Fix with `box-sizing: border-box`" |
+| box-model-5 | "Set `padding: 8px 1rem`" |
+| box-model-6 | "Set `margin: 0 auto`" |
+| box-model-7 | "Make with `border-radius: 50%`" |
+| box-model-8 | Lists all 3 properties verbatim |
+
+Box model validation messages are already well-written (hint without revealing). The `task` fields contain `<kbd>` tags with exact answers.
+
+## Acceptance Criteria
+
+1. All 4 colors task descriptions rewritten to describe desired visual outcomes
+2. All 8 box-model task descriptions rewritten to describe desired visual outcomes
+3. Students cannot copy-paste from the task into the editor to pass
+4. Colors validations accept multiple valid CSS color values where appropriate
+5. Box-model validation messages remain as-is (already hint without revealing)
+6. All 5 localized box-model files updated to match the English rewrite pattern
+7. Existing tests continue to pass
+8. Lesson descriptions (which teach the concepts) remain unchanged
diff --git a/specs/009-colors-boxmodel-tasks/tasks.md b/specs/009-colors-boxmodel-tasks/tasks.md
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+# Tasks
+
+## Phase 1: Colors Module
+- [ ] Task 1.1: Rewrite task text for all 4 colors lessons to describe visual outcomes
+- [ ] Task 1.2: Change colors validations from property_value to regex accepting multiple valid color names
+- [ ] Task 1.3: Update colors validation error messages to hint without revealing answers
+
+## Phase 2: Box Model Module (English)
+- [ ] Task 2.1: Rewrite task text for all 8 box-model lessons to describe visual outcomes
+- [ ] Task 2.2: Review box-model validation messages (already good, update only if needed)
+
+## Phase 3: Box Model Translations [P]
+- [ ] Task 3.1: Rewrite task text in Arabic (ar/01-box-model.json) [P]
+- [ ] Task 3.2: Rewrite task text in German (de/01-box-model.json) [P]
+- [ ] Task 3.3: Rewrite task text in Spanish (es/01-box-model.json) [P]
+- [ ] Task 3.4: Rewrite task text in Polish (pl/01-box-model.json) [P]
+- [ ] Task 3.5: Rewrite task text in Ukrainian (uk/01-box-model.json) [P]
+
+## Phase 4: Validation
+- [ ] Task 4.1: Run existing test suite to confirm no regressions
+- [ ] Task 4.2: Run lesson format check (npm run format.lessons)
+- [ ] Task 4.3: Verify all modified JSON files conform to module schema