---
name: system/component-patterns
title: Component Patterns
description: Reusable UI components with consistent patterns.
tags: [system, component, patterns, reusability]
source: raycast.com, linear.app, stripe.com, design-systems.dev
---

# Component Patterns

## 1. Button Variants

```css
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  background: rgba(99, 102, 241, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  color: var(--color-text-primary);
}

.btn-lg { padding: 16px 32px; font-size: 1.125rem; }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
```

## 2. Input Variants

```css
.input {
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}
.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
```

## 3. Card Variants

```css
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s ease;
}
.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
```

## 4. Badge/Dot

```css
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
```

## Anti-patterns

| ❌ Плохо | ✅ Хорошо |
|----------|-----------|
| 10+ размеров кнопок | 3–5 вариантов |
| Без `:focus` | `:focus-visible` outline |
| Без transition | `transition: all 0.3s ease` |
| Hover на touch | `@media (hover: hover)` |