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

header {
  background: #4CAF50;
  color: white;
  padding: 15px;
  text-align: center;
}

header input {
  padding: 8px;
  width: 200px;
  margin-top: 10px;
  border-radius: 5px;
  border: none;
}

.urunler-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px;
}

.urun-card {
  background: white;
  border-radius: 10px;
  margin: 15px;
  width: 200px;
  padding: 15px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

.urun-card:hover {
  transform: translateY(-5px);
}

.urun-card img {
  width: 100%;
  border-radius: 5px;
}

.urun-card button {
  margin-top: 10px;
  padding: 8px 12px;
  border: none;
  background: #4CAF50;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

.urun-card button:hover {
  background: #45a049;
}