body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: linear-gradient(to right, #2980b9, #6dd5fa);
  color: #fff;
  margin: 0;
}

.weather-app {
  background: rgba(0,0,0,0.3);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  width: 300px;
}

input {
  padding: 0.5rem;
  width: 180px;
  border-radius: 5px;
  border: none;
}

button {
  padding: 0.5rem 1rem;
  margin-left: 0.5rem;
  border: none;
  border-radius: 5px;
  background-color: #3498db;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background-color: #2980b9;
}

.hidden {
  display: none;
}

.error {
  margin-top: 1rem;
  color: #ff6961;
}