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+# Social Photos Design Guide
+
+Design social media images via HTML/CSS rendering + screenshot export. Orchestrates `ui-ux-pro-max`, `brand`, `design-system`, and `chrome-devtools` skills.
+
+## Platform Sizes
+
+| Platform | Type | Size (px) | Aspect |
+|----------|------|-----------|--------|
+| Instagram | Post | 1080 x 1080 | 1:1 |
+| Instagram | Story/Reel | 1080 x 1920 | 9:16 |
+| Instagram | Carousel | 1080 x 1350 | 4:5 |
+| Facebook | Post | 1200 x 630 | ~1.9:1 |
+| Facebook | Story | 1080 x 1920 | 9:16 |
+| Twitter/X | Post | 1200 x 675 | 16:9 |
+| Twitter/X | Card | 800 x 418 | ~1.91:1 |
+| LinkedIn | Post | 1200 x 627 | ~1.91:1 |
+| LinkedIn | Article | 1200 x 644 | ~1.86:1 |
+| Pinterest | Pin | 1000 x 1500 | 2:3 |
+| YouTube | Thumbnail | 1280 x 720 | 16:9 |
+| TikTok | Cover | 1080 x 1920 | 9:16 |
+| Threads | Post | 1080 x 1080 | 1:1 |
+
+## Workflow
+
+### Step 1: Activate Project Management
+
+Invoke `project-management` skill to create persistent TODO tasks via Claude's native task orchestration. Break down into:
+- Requirement analysis task
+- Idea generation task(s)
+- HTML design task(s) — can parallelize per size/variant
+- Screenshot export task(s) — can parallelize per file
+- Report generation task
+
+Spawn parallel subagents for independent tasks (e.g., multiple HTML files for different sizes).
+
+### Step 2: Analyze Requirements
+
+Parse user input for:
+- **Subject/topic** — what the social photo represents
+- **Target platforms** — which sizes needed (default: Instagram Post 1:1 + Story 9:16)
+- **Visual style** — minimalist, bold, gradient, photo-based, etc.
+- **Brand context** — read from `docs/brand-guidelines.md` if exists
+- **Content elements** — headline, subtext, CTA, images, icons
+- **Quantity** — how many variations (default: 3)
+
+### Step 3: Generate Ideas
+
+Create 3-5 concept ideas that:
+- Match the input prompt/requirements
+- Consider platform-specific best practices
+- Vary in composition, color, typography approach
+- Align with brand guidelines if available
+
+Present ideas to user via `AskUserQuestion` for approval before designing.
+
+### Step 4: Design HTML Files
+
+Activate these skills in sequence:
+
+1. **`/ckm:brand`** — Extract brand colors, fonts, voice from user's project
+2. **`/ckm:design-system`** — Get design tokens (spacing, typography scale, color palette)
+3. **Randomly invoke ONE of:** `/ck:ui-ux-pro-max` OR `/ck:frontend-design` — for layout, hierarchy, visual balance. Pick one at random each run for design variety.
+
+For each approved idea + each target size, create an HTML file:
+
+```
+output/social-photos/
+├── idea-1-instagram-post-1080x1080.html
+├── idea-1-instagram-story-1080x1920.html
+├── idea-2-instagram-post-1080x1080.html
+├── idea-2-instagram-story-1080x1920.html
+└── ...
+```
+
+#### HTML Design Rules
+
+- **Viewport** — Set exact pixel dimensions matching target size
+- **Self-contained** — Inline all CSS, embed fonts via Google Fonts CDN
+- **No scrolling** — Everything fits in one viewport
+- **High contrast** — Text readable at thumbnail size
+- **Brand-aligned** — Use extracted brand colors/fonts
+- **Safe zones** — Critical content within central 80% area
+- **Typography** — Min 24px for headlines, min 16px for body at 1080px width
+- **Visual hierarchy** — One focal point, clear reading flow
+
+#### HTML Template Structure
+
+```html
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width={WIDTH}, initial-scale=1.0">
+  <link href="https://fonts.googleapis.com/css2?family={FONT}&display=swap" rel="stylesheet">
+  <style>
+    * { margin: 0; padding: 0; box-sizing: border-box; }
+    html, body {
+      width: {WIDTH}px;
+      height: {HEIGHT}px;
+      overflow: hidden;
+      font-family: '{FONT}', sans-serif;
+    }
+    .canvas {
+      width: {WIDTH}px;
+      height: {HEIGHT}px;
+      position: relative;
+      /* Background: gradient, solid, or image */
+    }
+    /* Design tokens from brand/design-system */
+  </style>
+</head>
+<body>
+  <div class="canvas">
+    <!-- Content layers -->
+  </div>
+</body>
+</html>
+```
+
+### Step 5: Screenshot Export
+
+Use Chrome headless, `chrome-devtools` skill, or Playwright/Puppeteer to capture exact-size screenshots.
+
+**IMPORTANT:** Always add a delay (3-5s) after page load for fonts/images to fully render before capture.
+
+#### Option A: Chrome Headless CLI (Recommended — zero dependencies)
+
+```bash
+CHROME="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+DELAY=5  # seconds for fonts/images to load
+
+"$CHROME" \
+  --headless \
+  --disable-gpu \
+  --no-sandbox \
+  --hide-scrollbars \
+  --window-size="${WIDTH},${HEIGHT}" \
+  --virtual-time-budget=$((DELAY * 1000)) \
+  --screenshot="output.png" \
+  "file:///path/to/file.html"
+```
+
+Key flags:
+- `--virtual-time-budget=5000` — waits 5s virtual time for assets (Google Fonts, images) to load
+- `--hide-scrollbars` — prevents scrollbar artifacts in screenshots
+- `--window-size=WxH` — sets exact pixel dimensions
+
+#### Option B: chrome-devtools skill
+
+Invoke `/chrome-devtools` with instructions to:
+1. Open each HTML file in browser
+2. Set viewport to exact target dimensions
+3. Wait 3-5s for fonts/images to fully load
+4. Screenshot full page to PNG
+5. Save to `output/social-photos/exports/`
+
+#### Option C: Playwright script
+
+```javascript
+const { chromium } = require('playwright');
+
+async function captureScreenshots(htmlFiles) {
+  const browser = await chromium.launch();
+
+  for (const file of htmlFiles) {
+    const [width, height] = file.match(/(\d+)x(\d+)/).slice(1).map(Number);
+
+    const page = await browser.newPage();
+    await page.setViewportSize({ width, height });
+    await page.goto(`file://${file}`, { waitUntil: 'networkidle' });
+    // Wait for fonts/images to fully render
+    await page.waitForTimeout(3000);
+
+    const outputPath = file.replace('.html', '.png').replace('social-photos/', 'social-photos/exports/');
+    await page.screenshot({ path: outputPath, type: 'png' });
+    await page.close();
+  }
+
+  await browser.close();
+}
+```
+
+#### Option D: Puppeteer script
+
+```javascript
+const puppeteer = require('puppeteer');
+
+async function captureScreenshots(htmlFiles) {
+  const browser = await puppeteer.launch();
+
+  for (const file of htmlFiles) {
+    const [width, height] = file.match(/(\d+)x(\d+)/).slice(1).map(Number);
+
+    const page = await browser.newPage();
+    await page.setViewport({ width, height, deviceScaleFactor: 2 }); // 2x for retina
+    await page.goto(`file://${file}`, { waitUntil: 'networkidle0' });
+    // Wait for fonts/images to fully render
+    await new Promise(r => setTimeout(r, 3000));
+
+    const outputPath = file.replace('.html', '.png').replace('social-photos/', 'social-photos/exports/');
+    await page.screenshot({ path: outputPath, type: 'png' });
+    await page.close();
+  }
+
+  await browser.close();
+}
+```
+
+**IMPORTANT:** Use `deviceScaleFactor: 2` for retina-quality output (Puppeteer only).
+
+### Step 6: Verify & Fix Designs
+
+Use Chrome MCP or `chrome-devtools` skill to visually inspect each exported PNG:
+
+1. Open exported screenshots and check for layout/styling issues
+2. Verify: fonts rendered correctly, colors match brand, text readable at thumbnail size
+3. Check: no overflow, no cut-off content, safe zones respected, visual hierarchy clear
+4. If issues found → fix HTML source → re-export screenshot → verify again
+5. Repeat until all designs pass visual QA
+
+**Common issues to check:**
+- Fonts not loaded (fallback to system fonts)
+- Text overflow or clipping
+- Elements outside safe zone (central 80%)
+- Low contrast text (below WCAG AA 4.5:1)
+- Misaligned elements or broken layouts
+
+### Step 7: Generate Summary Report
+
+Save report to `plans/reports/` with naming pattern from session hooks.
+
+Report structure:
+
+```markdown
+# Social Photos Design Report
+
+## Overview
+- Prompt/requirements: {original input}
+- Platforms: {target platforms}
+- Variations: {count}
+- Style: {chosen style}
+
+## Ideas Generated
+1. **{Idea name}** — {brief description, rationale}
+2. ...
+
+## Design Decisions
+- Color palette: {colors used, why}
+- Typography: {fonts, sizes, why}
+- Layout: {composition approach, why}
+- Brand alignment: {how brand guidelines influenced design}
+
+## Output Files
+| File | Size | Platform | Preview |
+|------|------|----------|---------|
+| exports/{filename}.png | {WxH} | {platform} | {description} |
+
+## Why This Works
+- {Platform-specific reasoning}
+- {Brand alignment reasoning}
+- {Visual hierarchy reasoning}
+- {Engagement potential reasoning}
+
+## Recommendations
+- {A/B test suggestions}
+- {Platform-specific tips}
+- {Iteration opportunities}
+```
+
+### Step 8: Organize Output
+
+Invoke `assets-organizing` skill to organize all output files and reports:
+- Move/copy exported PNGs to proper asset directories
+- Ensure reports are in `plans/reports/` with correct naming
+- Clean up intermediate HTML files if requested
+- Tag outputs with metadata (platform, size, concept name)
+
+## Design Best Practices
+
+### Platform-Specific Tips
+
+- **Instagram** — Visual-first, minimal text (<20%), strong colors, lifestyle feel
+- **Facebook** — Informative, can have more text, eye-catching in feed
+- **Twitter/X** — Bold headlines, contrast for dark/light mode, clear message
+- **LinkedIn** — Professional, clean, data-driven visuals, thought leadership
+- **Pinterest** — Vertical format, text overlay on images, how-to style
+- **YouTube** — Face close-ups perform best, bright colors, readable at small size
+- **TikTok** — Trendy, energetic, bold typography, youth-oriented
+
+### Art Direction Styles (Reuse from Banner)
+
+| Style | Best For | Key Elements |
+|-------|----------|--------------|
+| Minimalist | SaaS, tech, luxury | Whitespace, single accent color, clean type |
+| Bold Typography | Announcements, quotes | Large type, high contrast, minimal imagery |
+| Gradient Mesh | Modern brands, apps | Fluid color transitions, floating elements |
+| Photo-Based | Lifestyle, e-commerce | Hero image, subtle overlay, text on image |
+| Geometric | Tech, fintech | Shapes, patterns, structured layouts |
+| Glassmorphism | SaaS, modern apps | Frosted glass, blur effects, transparency |
+| Flat Illustration | Education, health | Custom illustrations, friendly, approachable |
+| Duotone | Creative, editorial | Two-color treatment on photos |
+| Collage | Fashion, culture | Mixed media, overlapping elements |
+| 3D/Isometric | Tech, product | Depth, shadows, modern perspective |
+
+### Color & Contrast
+
+- Ensure WCAG AA contrast ratio (4.5:1 min) for all text
+- Test designs at 50% size to verify readability
+- Consider platform dark/light mode compatibility
+- Use brand primary color as dominant, secondary as accent
+
+### Typography Hierarchy
+
+| Element | Min Size (at 1080px) | Weight |
+|---------|---------------------|--------|
+| Headline | 48px | Bold/Black |
+| Subheadline | 32px | Semibold |
+| Body | 24px | Regular |
+| Caption | 18px | Regular/Light |
+| CTA | 28px | Bold |
+
+## Security & Scope
+
+This sub-skill handles social media image design only. Does NOT handle:
+- Video content creation
+- Animation/motion graphics
+- Print production files (CMYK, bleed)
+- Direct social media posting/scheduling
+- AI image generation (use `ai-artist` skill for that)