body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1em 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

main {
    padding: 20px;
    max-width: 1200px;
    margin: 20px auto; /* Center the main content */
}

#products-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); /* Responsive grid */
    gap: 20px;
    margin-bottom: 30px;
}

.product-item {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}

.product-item img {
    max-width: 100%;
    height: auto;
    border-bottom: 1px solid #eee;
    margin-bottom: 10px;
    display: block; /* Helps with spacing */
    margin-left: auto;
    margin-right: auto;
}

.product-item h3 {
    margin-top: 0;
    color: #333;
}

.product-item p {
    font-size: 0.9em;
    line-height: 1.4;
}

.button-container {
    text-align: center;
    margin-bottom: 20px;
}

#download-pdf-btn {
    background-color: #5cb85c;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#download-pdf-btn:hover {
    background-color: #4cae4c;
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #333;
    color: #fff;
    font-size: 0.8em;
}

/* Limita altura de imágenes y evita saltos dentro de un producto */
.product-item img {
  max-height: 250px;
  width: auto;
  display: block;
  margin: 0 auto 10px;
}

#products-container {
  page-break-inside: auto;
}

.product-item {
  page-break-inside: avoid;
  page-break-after: auto;
}

/* Opcional: elimina márgenes extra en la página */
@page {
  size: letter portrait;
  margin: 0;
}