/* Estilos para la página */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    text-align: center;
}

main {
    padding: 20px;
}

form {
    background-color: #f5f5f5;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="text"],
input[type="tel"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px 20px;
    background-color: #4a90e2;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0072ff;
}

#invoice-items {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

#invoice-items th,
#invoice-items td {
    padding: 10px;
    border: 1px solid #ccc;
}

#invoice-items th {
    background-color: #f5f5f5;
    font-weight: bold;
    text-align: left;
}

#invoice-items input[type="number"],
#invoice-items input[type="text"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

#invoice-total {
    text-align: right;
    margin-top: 20px;
}

#invoice-total p {
    margin-bottom: 5px;
}

#payment-methods {
    margin-bottom: 20px;
}

fieldset {
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
}

legend {
    font-weight: bold;
    font-size: 1.2em;
    margin-bottom: 10px;
}

footer {
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    text-align: center;
}

#current-date-time {
    font-style: italic;
}