:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --text-color: #333;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    background: white;
    border-radius: 5px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: scale(1.05);
}

/* Form Styles */
form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, select, textarea, button {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
}

.error {
    color: red;
    background-color: #ffeeee;
    padding: 10px;
    border-radius: 4px;
}

.success {
    color: green;
    background-color: #eeffee;
    padding: 10px;
    border-radius: 4px;
}