# Tailwind CSS Component Patterns

## Card Component

```html
<div class="bg-white rounded-lg shadow-lg overflow-hidden">
  <img class="w-full h-48 object-cover" src="image.jpg" alt="Card image" />
  <div class="p-6">
    <h3 class="text-xl font-bold mb-2">Card Title</h3>
    <p class="text-gray-700 mb-4">Card description text goes here.</p>
    <button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded">
      Action
    </button>
  </div>
</div>
```

## Responsive User Card

```html
<div class="max-w-sm mx-auto bg-white rounded-xl shadow-lg overflow-hidden sm:flex sm:max-w-2xl">
  <img class="h-48 w-full object-cover sm:h-auto sm:w-48"
       src="profile.jpg"
       alt="Profile" />
  <div class="p-8">
    <div class="uppercase tracking-wide text-sm text-indigo-500 font-semibold">
      Product Engineer
    </div>
    <h2 class="mt-1 text-xl font-semibold text-gray-900">
      John Doe
    </h2>
    <p class="mt-2 text-gray-500">
      Building amazing products with modern technology.
    </p>
    <button class="mt-4 px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 transition">
      Contact
    </button>
  </div>
</div>
```

## Navigation Bar

```html
<nav class="bg-white shadow-lg">
  <div class="container mx-auto px-4">
    <div class="flex justify-between items-center h-16">
      <div class="flex items-center">
        <a href="#" class="text-xl font-bold text-gray-800">Logo</a>
      </div>
      <div class="hidden md:flex space-x-8">
        <a href="#" class="text-gray-700 hover:text-blue-600 transition">Home</a>
        <a href="#" class="text-gray-700 hover:text-blue-600 transition">About</a>
        <a href="#" class="text-gray-700 hover:text-blue-600 transition">Services</a>
        <a href="#" class="text-gray-700 hover:text-blue-600 transition">Contact</a>
      </div>
      <button class="md:hidden">
        <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16"></path>
        </svg>
      </button>
    </div>
  </div>
</nav>
```

## Form Elements

```html
<form class="space-y-6 max-w-md mx-auto">
  <div>
    <label class="block text-sm font-medium text-gray-700 mb-2">
      Email
    </label>
    <input
      type="email"
      class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
      placeholder="you@example.com"
    />
  </div>

  <div>
    <label class="block text-sm font-medium text-gray-700 mb-2">
      Password
    </label>
    <input
      type="password"
      class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
    />
  </div>

  <div class="flex items-center">
    <input type="checkbox" class="mr-2" />
    <label class="text-sm text-gray-600">Remember me</label>
  </div>

  <button
    type="submit"
    class="w-full bg-blue-600 text-white font-semibold py-2 px-4 rounded-lg hover:bg-blue-700 transition"
  >
    Sign In
  </button>
</form>
```

## Modal/Dialog

```html
<div class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center p-4">
  <div class="bg-white rounded-lg shadow-xl max-w-md w-full p-6">
    <div class="flex justify-between items-center mb-4">
      <h3 class="text-xl font-bold">Modal Title</h3>
      <button class="text-gray-500 hover:text-gray-700">
        <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
        </svg>
      </button>
    </div>
    <p class="text-gray-700 mb-6">
      Modal content goes here.
    </p>
    <div class="flex justify-end space-x-4">
      <button class="px-4 py-2 text-gray-600 hover:text-gray-800">
        Cancel
      </button>
      <button class="px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700">
        Confirm
      </button>
    </div>
  </div>
</div>
```

## React Button Component with Variants

```tsx
import { useState } from 'react';

function Button({
  variant = 'primary',
  size = 'md',
  children
}: {
  variant?: 'primary' | 'secondary';
  size?: 'sm' | 'md' | 'lg';
  children: React.ReactNode;
}) {
  const baseClasses = 'font-semibold rounded transition';

  const variantClasses = {
    primary: 'bg-blue-600 text-white hover:bg-blue-700',
    secondary: 'bg-gray-200 text-gray-800 hover:bg-gray-300',
  };

  const sizeClasses = {
    sm: 'px-3 py-1 text-sm',
    md: 'px-4 py-2 text-base',
    lg: 'px-6 py-3 text-lg',
  };

  return (
    <button
      className={`${baseClasses} ${variantClasses[variant]} ${sizeClasses[size]}`}
    >
      {children}
    </button>
  );
}
```