body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f1f1f1;
}
header {
  background: #ffe600;
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
}
header h1 {
  font-size: 1.5em;
  margin: 0;
}
main {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  padding: 10px;
  justify-content: center;
}
.producto {
  background: white;
  padding: 10px;
  border: 1px solid #ccc;
  width: 200px;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}
.producto h3 {
  margin: 0 0 10px;
}
button {
  cursor: pointer;
  padding: 5px 10px;
}
.modal {
  position: fixed;
  background: white;
  border: 2px solid #333;
  padding: 20px;
  top: 20%;
  left: 30%;
  width: 300px;
  z-index: 10;
}
.hidden {
  display: none;
}