/* Reset & basics */
  * {
    box-sizing: border-box;
  }
  body {
    margin: 0; padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #fff;
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-size: cover;
    background-position: center;
    transition: background-image 0.7s ease-in-out;
  }

  .container {
    background: rgba(0,0,0,0.5);
    padding: 2rem;
    border-radius: 12px;
    max-width: 400px;
    margin: auto;
  }

  input[type="text"] {
    padding: 0.7rem;
    width: 70%;
    font-size: 1rem;
    border: none;
    border-radius: 8px 0 0 8px;
    outline: none;
  }

  button {
    padding: 0.7rem 1rem;
    font-size: 1rem;
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    background-color: #1e90ff;
    color: white;
    transition: background-color 0.3s ease;
  }
  button:hover {
    background-color: #187bcd;
  }

  .weather-info {
    margin-top: 1.5rem;
  }

  .weather-info img {
    width: 100px;
    height: 100px;
  }

  .error {
    margin-top: 1rem;
    color: #ff4c4c;
  }