body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 1em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.products,
.cart,
footer,
.sort-bar {
    padding: 1em;
}

.sort-bar {
    margin-bottom: 1em;
    padding-left: 1em;
}

.product-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
}

.product {
    border: 1px solid #ccc;
    padding: 1em;
    width: 200px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
}

.product img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.cart {
    background-color: #fff;
    display: none;
    border-top: 2px solid #4CAF50;
}

footer {
    background-color: #eee;
    padding: 1em;
    margin-top: 2em;
    text-align: center;
}

button {
    padding: 0.6em 1.2em;
    border: none;
    background-color: #4CAF50;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}

#order-btn {
    margin-top: 1em;
    background-color: #ff9800;
}

#order-btn:hover {
    background-color: #e68a00;
}

ul#cart-items li {
    margin-bottom: 8px;
}

html,
body {
    height: 100%;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}