body {
  margin: 0;
  font-family: sans-serif;
  background: #0f172a;
  color: white;
}

h1 {
  margin: 0;
  padding: 15px;
  background: #dc2626;
  text-align: center;
}

#results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 10px;
}

.card {
  background: #1e293b;
  padding: 15px;
  border-radius: 10px;
}

@media (min-width: 600px) {
  #results { grid-template-columns: repeat(2,1fr); }
}

@media (min-width: 1024px) {
  #results { grid-template-columns: repeat(3,1fr); }
}