body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #ffffff;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: #1e1e1e;
    border-bottom: 1px solid #333;
}

.logo h1 {
    margin: 0;
    color: #ff0000;
}

nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
}

.search {
    display: flex;
}

.search input {
    padding: 0.5rem;
    background-color: #333;
    border: none;
    color: #ffffff;
}

.search button {
    padding: 0.5rem;
    background-color: #ff0000;
    border: none;
    color: #ffffff;
    cursor: pointer;
}

.auth a {
    margin-left: 1rem;
    color: #ffffff;
    text-decoration: none;
}

main {
    padding: 2rem;
}

section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

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

.producto {
    background-color: #1e1e1e;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #333;
}

.producto img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
}

.producto h3 {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.producto p {
    margin: 0.5rem 0;
    color: #cccccc;
}

.producto button {
    padding: 0.5rem 1rem;
    background-color: #ff0000;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 4px;
}

.producto button:hover {
    background-color: #cc0000;
}

footer p {
    margin: 0.5rem 0;
}

.form-section {
    max-width: 400px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #1e1e1e;
    border-radius: 8px;
    border: 1px solid #333;
}

.form-section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

input {
    padding: 0.5rem;
    background-color: #333;
    border: 1px solid #555;
    color: #ffffff;
    border-radius: 4px;
}

input:focus {
    outline: none;
    border-color: #ff0000;
}

button[type="submit"] {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #ff0000;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
}

button[type="submit"]:hover {
    background-color: #cc0000;
}

.form-section p {
    text-align: center;
    margin-top: 1rem;
}

.form-section a {
    color: #ff0000;
    text-decoration: none;
}

.form-section a:hover {
    text-decoration: underline;
}

#cart-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

#cart-items {
    margin-bottom: 2rem;
}

.cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: #1e1e1e;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #333;
}

.cart-item img {
    margin-right: 1rem;
}

.cart-item span {
    flex: 1;
}

#cart-total {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: right;
    margin-bottom: 1rem;
}

#checkout-btn {
    padding: 1rem 2rem;
    background-color: #ff0000;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
}

#checkout-btn:hover {
    background-color: #cc0000;
}

#payment-options {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #1e1e1e;
    border-radius: 8px;
    border: 1px solid #333;
}

#payment-options h3 {
    margin-top: 0;
}

#payment-form {
    display: flex;
    flex-direction: column;
}

#payment-form label {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
}

#payment-form input[type="radio"] {
    margin-right: 0.5rem;
}

#payment-form button[type="submit"] {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #ff0000;
    border: none;
    color: #ffffff;
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
}

#payment-form button[type="submit"]:hover {
    background-color: #cc0000;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #1e1e1e;
    border-top: 1px solid #333;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

footer p {
    margin: 0.5rem 0;
}