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TFMSTYLE UX Handbook

The UX Handbook is a collection of short, practical guides to building interfaces, written and maintained by TFMSTYLE. Each entry takes one problem, like validating a form, designing an empty state or loading a long list, and gives you the rules for getting it right.

Reading paths

Ship a form
Accessibility pass before launch
A design system from scratch
Make it feel fast
The states nobody designs
Mobile essentials
AI product surfaces
Data and dashboards
Account, billing, and leaving
The first five minutes

All guides

Build an Upload Flow That Users Trust
Validate Forms in a Way That Helps Users
Design Destructive Actions to Prevent Mistakes
Design Context Menus That Feel Responsive and Efficient
Design Tab Systems That Feel Stable and Predictable
Design Deletion and Recovery Flows That Respect Users
Design Password Flows That Help Users Create Strong Credentials
Design Pagination Systems That Stay Reliable at Scale
Design OTP and Verification Code Inputs That Feel Effortless
Design Sliders That Are Easy to Control and Understand
Design Rating Components That Give Honest Feedback
Design Payment Card Inputs That Feel Smart and Forgiving
Design Drag-and-Drop Interactions That Communicate Clearly
Design Multi-Step Forms That Reduce Cognitive Load
Design Notification Systems Based on Importance
Design Date Range Pickers That Make Selection Fast and Flexible
Use Consistent Animation Timing to Create Responsive Interfaces
Design Search Experiences That Guide Users
Design Error States That Help Users Recover
Choose the Right Loading Pattern for Every Situation
Design Empty States That Guide Users
Build Design Systems Around These Five Foundations
Use the Golden Ratio to Create More Balanced Interfaces
Design Loading States That Reduce Perceived Waiting
Create Gradients That Feel Intentional and Premium
Use White Space to Create Better Visual Hierarchy
Use Grids as a System for Creating Hierarchy
Use Fitts’s Law to Design Faster Interactions
Create a Glassmorphism Effect with Four CSS Properties
Build Strong Visual Hierarchy with Five Design Rules
Use the 60-30-10 Rule to Build Balanced Color Systems
Design Modals That Feel Premium with Three Principles
Build a Design System from Small, Consistent Rules
Understand the Psychology Behind Typing Indicators
Design Buttons That Feel Responsive and Refined
Use Color as a Communication System
Understand the Psychology Behind Engagement Patterns
Design Micro-Interactions That Make Interfaces Feel Alive
Design Accessibility Into Every Interface
Design Tooltips That Help Without Interrupting
Design Data Tables That Scale
Design Filters and Sorting That Reduce Effort
Build Forms That Respect User Effort
Design Authentication Without Creating Friction
Design Navigation That Keeps Users Oriented
Design Search Results, Not Just Search Inputs
Design Mobile Experiences Around Real Hands
Design for Network Failures
Design Permission Requests Carefully
Use Confirmation Dialogs Only When Needed
Understand Different Types of Empty States
Build Design Tokens as a Single Source of Truth
Design for Performance Perception
Prevent Errors Before They Happen
Create a UX Shipping Checklist
Design Systems Should Scale With Teams
Design Interfaces Around User Mental Models
Design for Trust
Design Onboarding That Teaches Through Action
Design Buttons Around User Intent
Design Inputs That Feel Natural
Design Cards That Communicate Priority
Design Modals With Respect for Attention
Design Sidebars and Navigation Panels
Design Search With Progressive Discovery
Design States, Not Screens
Design Microcopy That Guides Users
Design for International Users
Design Analytics That Help Users Take Action
Design Dashboards Around Decisions
Design Checkout Flows That Remove Friction
Design Pricing Pages That Reduce Confusion
Design Notifications With User Control
Design AI Interfaces With Transparency
Design AI Loading and Thinking States
Design Ethical Engagement Systems
Design Settings Pages Users Can Understand
Design File Management Experiences
Design Collaboration Features
Design Gestures That Are Discoverable
Design Mobile Navigation Patterns
Design Maps and Location Experiences
Design Drag and Drop Beyond the Basics
Design Keyboard Shortcuts for Power Users
Design Undo as a Safety System
Design Version History and Recovery
Design Real-Time Interfaces
Design Collaboration Cursors and Presence
Design Developer Handoff That Preserves Intent
Design QA Before Shipping
Design With Real User Research
Design UX Metrics That Measure Real Success
Design A/B Tests That Answer Real Questions
Design Privacy Experiences That Build Trust
Design Consent and Choices Clearly
Design AI Agents Around Control and Collaboration
Design AI Error Recovery
Design Conversational Interfaces
Design Voice Interfaces
Design Enterprise Products for Complexity
Design for Long-Term Use
Design Change Management
Design Consistent Error Recovery Everywhere
UX Laws Reference: Hick's Law
UX Laws Reference: Fitts's Law
UX Laws Reference: Jakob's Law
UX Laws Reference: Miller's Law
UX Laws Reference: Peak-End Rule
UX Laws Reference: Doherty Threshold
UX Laws Reference: Tesler's Law
UX Laws Reference: Von Restorff Effect
Design Component Anatomy
Design Component Variants Carefully
Design Visual Hierarchy With Intention
Design Empty Space Intentionally
Design Shadows and Depth Systems
Design Border Radius as a System
Design Responsive Breakpoints as Decisions
Design Critiques That Improve Products
Design Review Checklist Before Approval
Design UX Around User Goals, Not Features
Design Progressive Disclosure
Design Defaults That Help Users
Design Personalization Without Losing Control
Design Searchable Interfaces
Design Onboarding Emails and Messages
Design Upgrade and Premium Features
Design Empty Search and Zero Results Recovery
Design Status Indicators Clearly
Design Skeleton Screens Correctly
Design Feedback Loops
Design Interfaces That Respect Time
UX Writing Is Interface Design
Design Button Copy That Creates Confidence
Design Error Messages That Help Users Recover
Design Confirmation Messages Carefully
Design a Scalable Design System
Design Token Systems
Design Component States Completely
Design Motion as Communication
Design Animation Timing Systems
Design Easing Curves Intentionally
Design Focus States for Accessibility
Design Color Systems for Meaning
Design Dark Mode Correctly
Design Images and Media Responsibly
Design Forms as Conversations
Design Form Field Labels Correctly
Design Inputs With Smart Behavior
Design Form Validation With Timing
Design Forms That Recover From Mistakes
Design Tables for Scanning, Not Reading
Design Data Density Intentionally
Design Filters That Users Understand
Design Sorting Experiences
Design Mobile Touch Targets
Design Mobile Keyboard Experiences
Design App Permissions Correctly
Design App Onboarding That Gets Users to Value
Design First-Time User Experiences
Design Tooltips Correctly
Design Accessibility as a Core System
Design Color Contrast Correctly
Design Keyboard-Only Experiences
Design Focus Management
Design Screen Reader Experiences
Design Accessible Forms
Design Accessible Modals
Design Accessible Motion
Design Accessible Icons
Design Navigation Architecture
Design Breadcrumbs Correctly
Design Search Navigation Together
Design Complex Navigation Menus
Design Breadcrumb Trails and History Together
Design Reliable Offline Experiences
Design Network States
Design Data Saving Feedback
Design Import and Export Flows
Design Permission and Role Systems
Design Role-Based Experiences
Design Admin Interfaces
Design Account Settings Architecture
Design Security UX Without Creating Fear
Design Authentication Flows
Design Multi-Factor Authentication
Design Notification Centers
Design Activity Feeds
Design Comments and Discussions
Design Mentions and Alerts
Design Search Systems Inside Products
Design Command Palettes
Design Global Search
Design Empty Product States
Design Product Tours Carefully
Design Progress Indicators Correctly
Design Review Screens
Design Confirmation Pages
Design Complex Dashboards
Design Data Visualization
Design Charts With Honest Communication
Design Filters and Views for Experts
Design Bulk Actions
Design Advanced Tables
Design SaaS Empty States
Design Feature Discovery
Design Search Suggestions
Design AI Suggestions
Design AI Automation Boundaries
Design Trust Through Transparency
Design Products That Age Well
Design System Governance
Design Component Documentation
Design Component APIs
Design Component Naming
Design Design-to-Development Handoff
Design With Real Content
Design Edge Cases First
Design Internationalization Ready Interfaces
Design Right-to-Left Interfaces
Design Responsive Layout Systems
Design Breakpoints Intentionally
Design Desktop Navigation Patterns
Design User Preferences
Design Keyboard Shortcuts
Design Undo Systems
Design History Systems
Design for User Confidence
Design Optimistic Interfaces
Design Pessimistic Interfaces
Design Perceived Performance
Design Loading Hierarchies
Design Empty, Loading, Error, and Success as One System
Design User Control
Design Ethical Engagement
Design Notifications Responsibly
Design Retention Through Value
Design Habit Loops Carefully
Design Defaults Intentionally
Design Choice Architecture
Design Pricing Pages
Design Upgrade Moments
Design Research Into Product Decisions
Design Better User Interviews
Design Usability Tests
Design Prototype Tests
Design A/B Tests Correctly
Design Analytics Around User Goals
Design UX Success Metrics
Design Error Tracking Systems
Design Friction Intentionally
Design Cognitive Load
Design Hick's Law Into Interfaces
Design Fitts's Law Into Interfaces
Design Jakob's Law Into Products
Design Gestalt Principles Into Layouts
Design Visual Hierarchy Systems
Design Attention Intentionally
Design Microcopy Systems
Design Voice and Tone
Design Human-Centered Empty States
Design Complete User Journeys
Design Information Architecture
Design Navigation Hierarchy
Design User Mental Models
Design Navigation States
Design Breadcrumb Alternatives
Design Complex Settings
Design Search as Navigation
Design Drag and Drop Systems
Design Gesture Interfaces
Design Hover Interactions
Design Tooltips vs Popovers
Design Context Menus
Design Menus for Speed
Design Modals Responsibly
Design Drawers and Side Panels
Design Tabs Correctly
Design Accordions Carefully
Design Cards Properly
Design Notifications Inside Products
Design Status Systems
Design System Feedback Loops
Design Critique Systems
Design Review Questions
Design Prioritization Systems
Design the MVP Experience
Design Feature Prioritization
Design Roadmaps Around Outcomes
Design Product Constraints
Design Trade-Off Decisions
Design for First-Time Users
Design for Returning Users
Design Expert and Beginner Modes
Design Onboarding Flows
Design Activation Moments
Design Retention Experiences
Design Churn Prevention
Design Feedback Collection
Design Support Experiences
Design Accessibility From The Start
Design Color Accessibility
Design Inclusive Interfaces
Design Affordances
Design Signifiers
Design Constraints
Design Mapping
Design Mental Models Through Consistency
Design Recognition Over Recall
Design Progressive Complexity
Design Error Recovery
Design Confirmation Patterns
Design Destructive Actions
Design Search Results
Design Filters
Design Sorting
Design Tables
Design Data Density
Design Dashboards
Design Charts
Design AI Interfaces
Design AI Loading States
Design Human Override
Design Motion Timing
Design Easing Curves
Design Animation Consistency
Design Microinteractions
Design Button Interactions
Design Toggle Controls
Design Checkboxes
Design Radio Buttons
Design Select Menus
Design Form Labels
Design Input States
Design Form Validation
Design Form Error Messages
Design Checkout Flows
Design Password Experiences
Design File Uploads
Design Drag Interactions
Design Focus States
Design Tokens
Design Color Tokens
Design Typography Tokens
Design Radius Tokens
Design Component Architecture
Design Atomic Components
Design Component Composition
Design Component States
Design Component Accessibility
Design Component Variants
Design Component Migration
Design Responsive Components
Design Mobile Thumb Zones
Design Mobile Gestures
Design Offline Experiences
Design Collaboration Conflicts
Design Performance Budgets
Design Content Density Rules
Design Specifications
Design Developer Collaboration
Design Feasibility Checks
Design Technical Debt
Design System Documentation
Design Pattern Libraries
Design Consistency vs Innovation
Design User Research
Design User Interviews
Design Usability Testing
Design A/B Tests
Design Analytics
Design Success Metrics
Design Conversion Flows
Design Landing Pages
Design Empty States
Design Notifications Strategy
Design Permission Requests
Design Privacy Controls
Design Dark Patterns
Design Trust Signals
Design Product Quality Checklist
Design Defaults
Design Hick's Law
Design Fitts's Law
Design Jakob's Law
Design Miller's Law
Design Serial Position Effect
Design Von Restorff Effect
Design Gestalt Principles
Design Visual Hierarchy
Design Attention Management
Design Navigation
Design Breadcrumbs
Design Sidebars
Design Bottom Navigation
Design Shortcuts
Design Tooltips
Design Empty Space
Design Premium Feel
Design Delight
Design Enterprise UX
Design Permissions
Design Audit Logs
Design Search in Large Systems
Design Saved States
Design Settings Pages
Design Mobile App Navigation
Design Mobile Sheets
Design Mobile Modals
Design Notifications on Mobile
Design Offline Mobile Experiences
Design Maps
Design Location Permission
Design Camera and Microphone Permissions
Design Notifications Permission
Design Recommendations
Design Personalization
Design Empty Search Results
Design Content Feeds
Design Live Regions for Dynamic Content
Design Heading Structure and Landmarks
Design Alt Text That Carries Meaning
Design Captions, Transcripts, and Audio Alternatives
Design for 400% Zoom and Text Resizing
Design for Cognitive Accessibility
Design Autofocus Rules
Design Focus After Navigation
Design Accessibility Audits
Design Around Core Web Vitals
Design Responsive Images and Media Loading
Design Font Loading Without Layout Shift
Design Long Lists With Virtualization
Design Prefetching Around User Intent
Design Background Jobs and Long Tasks
Design Partial Failure States
Design Stale Data Indicators
Design Retry and Backoff Behavior
Design a Fluid Type Scale
Design With Container Queries
Design for Safe Areas and Device Cutouts
Design a Z-Index Layering System
Design Sticky Elements Carefully
Design Print and Export Layouts
Design Hover Behavior on Touch Devices
Design Scroll Into View Behavior
Design Toast, Banner, or Modal Decisions
Design Date and Time Display
Design Number, Currency, and Unit Formatting
Design Text Truncation Rules
Design Capitalization and Casing Rules
Design Pluralization and Dynamic Copy
Design Empty, Zero, and Unknown Values
Design Copy to Clipboard Feedback
Design 404 and Error Pages
Design Maintenance and Degraded Modes
Design Autosave and Draft Recovery
Design Inline Editing
Design Character Limits and Counters
Design Conditional and Dependent Fields
Design Address and Phone Inputs
Design Forms That Work With Password Managers
Design Number and Currency Inputs
Design Rate Limit and Quota Messaging
Design Session Timeout and Expiry
Design URL Structure as an Interface
Design Back Button Behavior
Design Scroll Restoration
Design Pagination Versus Infinite Scroll
Design Table Column Controls
Design Timezone and Locale Aware Data
Design Accessible Charts
Design Real Time Data Refresh
Design Feature Flags and Staged Rollouts
Design Streaming AI Responses
Design Citations and Sources in AI Output
Design Feedback Loops for AI Quality
Design AI Cost and Limit Transparency
Design a Component Contribution Model
Design Component Deprecation and Versioning
Design Multi-Brand Theming
Design Token Naming Conventions
Design Parity Between Design Files and Code
Design Single Sign On Flows
Design Session and Device Management
Design Account Deletion and Data Export
Design Organization and Workspace Switching
Design Billing and Seat Management
Design API Key and Secret Interfaces
Design Usage Limits and Quotas
Design Invite and Teammate Flows
Design Sample Data for New Accounts
Design Pull to Refresh
Design Haptic Feedback
Design Deep Links and App Links
Design App Update Prompts
Design Release Notes and Change Communication
Design Search That Tolerates Imperfect Queries
Design Keyboard Shortcuts That Do Not Collide
Design File Size and Format Limits
Design Consistent Icon Systems