* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.header {
    background-color: #333;
    color: #fff;
    padding: 1rem;
}

.header h1 {
    margin-bottom: 1rem;
}

.nav {
    background-color: #444;
    padding: 0.5rem;
}

.nav a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
}

.nav a:hover {
    background-color: #555;
}

.content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.product {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 1rem;
    border-radius: 5px;
}

.product h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.price {
    font-size: 1.25rem;
    color: #e44d26;
    font-weight: bold;
    margin: 0.5rem 0;
}

.btn {
    display: inline-block;
    background-color: #28a745;
    color: #fff;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 3px;
    border: none;
    cursor: pointer;
    margin-top: 0.5rem;
}

.btn:hover {
    background-color: #218838;
}

.btn-small {
    display: inline-block;
    background-color: #dc3545;
    color: #fff;
    padding: 0.25rem 0.5rem;
    text-decoration: none;
    border-radius: 3px;
    font-size: 0.875rem;
}

.cart-table, .admin-table {
    width: 100%;
    background-color: #fff;
    border-collapse: collapse;
    margin-top: 1rem;
}

.cart-table th, .cart-table td,
.admin-table th, .admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.cart-table th, .admin-table th {
    background-color: #f8f9fa;
    font-weight: bold;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #007bff;
}

.order-card {
    background-color: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    border-left: 4px solid #28a745;
}

.footer {
    text-align: center;
    padding: 2rem;
    background-color: #333;
    color: #fff;
    margin-top: 2rem;
}