| Photo Response to Theme Mode | Images adapt brightness/source for dark mode | File |
| Search by Context | Search understands intent, not just keyword matches | File |
| Outer and Inner Border Radius | Nested elements use concentric radius (outer - padding) | File |
| Dynamic Visual Guideline | Table guidelines fade on hover to reduce clutter | File |
| Keep Entry of Active View | Active list item always remains visible | File |
| Respect Brand Name | Correct capitalization: GitHub, macOS, iOS | File |
| Bring Life to AI Features | Personality and animation for AI interactions | File |
| Searchable Collapsed Content | hidden="until-found" makes collapsed content searchable | File |
| Themed Favicon | Favicon adapts to light/dark color scheme | File |
| Scroll Landmark | Scroll-to-top with position memory for return | File |
| Immersive Browser Tab Icon | Tab border matches favicon's dominant color | File |
| Collapse Instead of Close | Hide content rather than destroy it | File |
| Paperclip Pin Hover | Paperclip icon opens on hover to signal unpin action | File |
| Dynamic Role of Enter Key | Enter behaves contextually (send vs. newline) | File |
| No Pointer Cursor | Pointer cursor only for navigation, default for actions | File |
| Paste with Intent | Pasting a URL creates a rich embed, not plain text | File |
| Dynamic Favicon | Favicon updates to reflect page state (loading, success) | File |
| Anchored Scrolling | Command palette locks highlight and scrolls list beneath | File |
| Sync Editing Content to Title | Browser tab title updates in real-time during editing | File |
| Check Potential Problem | Proactive validation blocks actions until requirements met | File |
| Pre-Filled Example Content | Forms populated with realistic examples, not empty | File |
| Dynamic Theme Color | <meta theme-color> updates on scroll and navigation | File |
| Keep State in URL | Filters, sort, and view mode persisted in URL | File |
| Smart Time Decide | Time interpretation based on human mental models | File |
| Convert URLs to Rich Previews | Internal links rendered as preview cards | File |
| Detect Address in PDF | Recognize addresses in documents for quick actions | File |
| Special Icon Based on Folder Name | Auto-assign distinctive icons by folder name | File |
| Follow Us Text Trick | Social handles replace generic "Follow us" text | File |
| No CMD/Ctrl for Shortcuts | Single-key shortcuts for power user flows | File |
| Delay Close Promotional Info | Brief delay before enabling close on announcements | File |
| Poll Item Word Counter | Checkbox morphs into circular character counter | File |
| Auto Naming Screenshot | Context-based filenames for screenshots and exports | File |
| Active State in Footer | Footer nav shows active state like header nav | File |
| Handle CJK Input Method | Special handling for Chinese/Japanese/Korean input | File |
| Special Cursor on People | Help cursor on author sections signals more info | File |
| Currency Detection in Photos | Tap amounts in photos for instant conversion | File |