body {
  font-family: Arial;
  text-align: center;
  background: #f4f4f4;
  transition: 0.3s;
}

.dark {
  background: #1e1e1e;
  color: white;
}

.container {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  width: 300px;
  box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

.dark .card {
  background: #2c2c2c;
}

img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 10px;
  margin-top: 10px;
}

button, select {
  margin-top: 10px;
  padding: 8px 15px;
  cursor: pointer;
}

.loader {
  display: none;
  margin: 10px auto;
  border: 4px solid #ddd;
  border-top: 4px solid #333;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}