/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to bottom, #4facfe, #00f2fe);
    color: #333;
    transition: all 0.3s ease-in-out;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
  }
  
  body.dark-mode {
    background: linear-gradient(to bottom, #1e1e1e, #333);
    color: #f9f9f9;
  }
  
  .container {
    max-width: 500px;
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: all 0.3s ease-in-out;
    margin-bottom: 20px;
    margin-top: 20px;
  }
  
  body.dark-mode .container {
    background: rgba(50, 50, 50, 0.9);
  }
  
  .app-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
  }
  
  .search-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
  }
  
  #city-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
  }
  
  #search-btn {
    padding: 10px 15px;
    background: #4facfe;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
  }
  
  #search-btn:hover {
    background: #00c6ff;
  }
  
  .weather-info {
    margin-top: 20px;
  }
  
  .weather-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 0;
  }
  
  #weather-icon {
    font-size: 5rem;
    margin-bottom: 10px;
  }
  
  
  #description {
    font-size: 1.2rem;
    text-transform: capitalize;
  }
  
  #temperature {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 10px 0;
  }
  
  .additional-info p {
    margin: 5px 0;
    font-size: 1rem;
  }
  
  .dark-mode-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 15px;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
  }
  
  .dark-mode-btn:hover {
    background: #fff;
    color: #333;
  }
  
  #weekly-forecast {
    margin-top: 20px;
    padding: 10px;
    border-top: 1px solid #ccc;
  }
  
  #weekly-forecast h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }
  
  #weekly-forecast div {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
  }
  
  #weekly-forecast i {
    font-size: 2rem;
    margin-right: 10px;
  }
  
  #weekly-forecast p {
    margin: 0;
  }