* {
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
  }
  
  h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
  }
  
  #search-form {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
  }
  
  #search-input {
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    margin-right: 1rem;
    border: 2px solid #ccc;
    border-radius: 0.25rem;
    flex-grow: 1;
  }
  
  #search-input:focus {
    outline: none;
    border-color: #0074d9;
  }
  
  button[type="submit"] {
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    background-color: #0074d9;
    color: #fff;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
  }
  
  button[type="submit"]:hover {
    background-color: #0063ad;
  }
  
  #search-results {
    margin-bottom: 2rem;
  }
  
  .result-item {
    margin-bottom: 1rem;
  }
  
  .result-title {
    font-size: 1.5rem;
    margin-top: 0;
  }
  
  .result-link {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #0074d9;
  }
  
  .result-link:hover {
    text-decoration: underline;
  }
  
  .result-snippet {
    margin-top: 0;
  }
  
  .spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    height: 10rem;
  }
  
  /* Dark theme */
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  #theme-toggler {
    border: none;
    background: transparent;
    cursor: pointer;
    background: #e2e2e2;
    padding: 10px 20px;
    border-radius: 100px;
  }
  
  .dark-theme {
    background-color: #282c34;
    color: #fff;
  }
  
  .dark-theme #search-input {
    background-color: #454545;
    color: #fff;
    border-color: #fff;
  }
  
  .dark-theme #search-input:focus {
    border-color: #0074d9;
  }
  
  .dark-theme button[type="submit"] {
    background-color: #0074d9;
  }
  
  .dark-theme .result-link,
  .dark-theme .result-link:hover {
    color: #90caf9;
  }