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

button {
  background: #4f46e5;
  color: white;
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #4338ca;
}

.card {
  background: #1e293b;
  padding: 16px;
  border-radius: 12px;
  margin: 10px 0;
}

input {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: none;
  margin: 5px 0;
}