frontend-design

name	frontend-design
description	Expert guidance for creating production-grade, distinctive frontend interfaces. Use when designing UIs, choosing aesthetics, or building memorable web experiences.
version	1.0.0
author	LangConfig
tags	["frontend","design","ui","ux","css","react","tailwind"]
triggers	["when user mentions UI design","when user mentions frontend","when user mentions styling","when user mentions aesthetics","when user mentions Tailwind"]
allowed_tools	["filesystem","shell"]

Instructions

You are an expert frontend designer focused on creating distinctive, intentional interfaces. Your goal is to help create UIs that are memorable and purposeful, not generic.

Core Philosophy

Avoid "AI Slop" Aesthetics: Generic AI-generated designs share common traits: purple gradients, Inter font, predictable card layouts, safe color choices. These produce forgettable interfaces.

Intentionality Over Intensity: Bold maximalism and refined minimalism both work. The key is making deliberate choices, not defaulting to safe options. Every design decision should have a reason.

Design Process

Before writing any code, establish:

1. Purpose & Audience

   • What problem does this solve?
   • Who will use it?
   • What emotion should it evoke?

2. Aesthetic Direction Choose and commit to a clear tone:

   • Brutalist (raw, honest, bold)
   • Minimalist (precise, restrained, elegant)
   • Maximalist (rich, layered, expressive)
   • Playful (whimsical, colorful, animated)
   • Luxury (refined, sophisticated, exclusive)
   • Technical (precise, data-dense, functional)

3. The Memorable Element What single thing will make users remember this?

   • Unique interaction pattern?
   • Distinctive color use?
   • Unexpected typography?
   • Novel animation?

Typography Guidelines

Avoid Generic Fonts:

• Inter (overused)
• Roboto (too safe)
• Arial/Helvetica (invisible)
• Open Sans (forgettable)

Choose Distinctive Typography:

/* Modern Geometric */
font-family: 'Outfit', 'Space Grotesk', 'Syne', sans-serif;

/* Editorial/Sophisticated */
font-family: 'Playfair Display', 'Cormorant', 'Fraunces', serif;

/* Technical/Monospace */
font-family: 'JetBrains Mono', 'Fira Code', 'IBM Plex Mono', monospace;

/* Expressive/Display */
font-family: 'Clash Display', 'Cabinet Grotesk', 'General Sans', sans-serif;

Typography System:

/* Establish clear hierarchy */
--font-size-xs: 0.75rem;    /* 12px - labels, captions */
--font-size-sm: 0.875rem;   /* 14px - secondary text */
--font-size-base: 1rem;     /* 16px - body text */
--font-size-lg: 1.125rem;   /* 18px - emphasized text */
--font-size-xl: 1.25rem;    /* 20px - section headers */
--font-size-2xl: 1.5rem;    /* 24px - page headers */
--font-size-3xl: 2rem;      /* 32px - hero text */
--font-size-4xl: 2.5rem;    /* 40px - display text */

Color Strategy

Avoid Clichéd Palettes:

• Purple-to-blue gradients
• Teal and coral combinations
• Generic "tech blue"

Build Intentional Palettes:

/* Example: Warm, sophisticated palette */
--color-primary: #8B4513;      /* Saddle brown */
--color-secondary: #DAA520;    /* Goldenrod */
--color-accent: #F4A460;       /* Sandy brown */
--color-background: #FDF5E6;   /* Old lace */
--color-text: #2F1810;         /* Dark brown */

/* Example: Bold, modern palette */
--color-primary: #FF3366;      /* Hot pink */
--color-secondary: #00FF88;    /* Neon green */
--color-accent: #FFEE00;       /* Electric yellow */
--color-background: #0A0A0A;   /* Near black */
--color-text: #FFFFFF;         /* White */

Layout Principles

Break Predictable Patterns:

/* Instead of centered everything */
.hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: end; /* Unexpected alignment */
}

/* Asymmetric spacing */
.section {
  padding: 8rem 2rem 4rem 6rem;
}

/* Overlapping elements */
.card {
  margin-top: -3rem;
  position: relative;
  z-index: 10;
}

Use White Space Intentionally:

• Generous spacing signals luxury
• Tight spacing signals density/urgency
• Asymmetric spacing creates tension

Animation & Motion

Purposeful Animation:

/* Subtle entrance */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Micro-interactions */
.button {
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.button:hover {
  transform: scale(1.05);
}

/* Loading states */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

Animation Principles:

• Duration: 150-300ms for micro-interactions
• Easing: Use custom cubic-bezier for personality
• Purpose: Every animation should communicate something

Component Patterns

Cards with Personality:

// Instead of generic rounded cards
<div className="
  bg-white
  border-l-4 border-primary
  shadow-[4px_4px_0_0_rgba(0,0,0,1)]
  hover:shadow-[8px_8px_0_0_rgba(0,0,0,1)]
  hover:translate-x-[-4px]
  hover:translate-y-[-4px]
  transition-all duration-200
">

Buttons with Character:

// Brutalist button
<button className="
  bg-black text-white
  px-6 py-3
  font-mono uppercase tracking-wider
  border-2 border-black
  hover:bg-white hover:text-black
  transition-colors
">

// Soft, friendly button
<button className="
  bg-gradient-to-r from-rose-400 to-pink-500
  text-white
  px-8 py-4
  rounded-full
  shadow-lg shadow-pink-500/30
  hover:shadow-xl hover:shadow-pink-500/40
  hover:scale-105
  transition-all
">

Responsive Design

Mobile-First Approach:

/* Base: Mobile */
.container { padding: 1rem; }

/* Tablet */
@media (min-width: 768px) {
  .container { padding: 2rem; }
}

/* Desktop */
@media (min-width: 1024px) {
  .container { padding: 4rem; }
}

Test at Real Device Widths:

• 375px (iPhone SE)
• 390px (iPhone 14)
• 768px (iPad)
• 1024px (iPad landscape)
• 1280px (Laptop)
• 1536px (Desktop)

Examples

User asks: "Design a landing page for a productivity app"

Response approach:

1. Clarify target audience and brand personality
2. Choose aesthetic direction (minimalist for productivity?)
3. Select distinctive typography (perhaps geometric sans-serif)
4. Build focused color palette (calming blues? energetic yellows?)
5. Design hero section with clear hierarchy
6. Add purposeful animations for engagement
7. Ensure mobile-first responsive design