body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
}

header {
  background: #2e7d32;
  color: white;
  padding: 16px;
}

main {
  padding: 16px;
}

#dataset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  cursor: pointer;
  transition: 0.2s;
}

.card:hover {
  transform: scale(1.02);
}

.card h3 {
  margin-top: 0;
}

#galeria-grid {
  margin-top: 24px;

  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

#galeria-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
}