body {
      background-color: #121212;
      color: #ffffff;
      font-family: 'Inter', sans-serif;
      margin: 0;
      padding: 0;
    }

    header {
      background-color: #1e1e1e;
      padding: 2rem;
      border-bottom: 2px solid #333;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }

    .header-top {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .header-top img {
      width: 32px;
      height: 32px;
    }

    h1 {
      margin: 0;
      font-size: 2rem;
      font-weight: 700;
    }

    .link-button {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      background-color: #333;
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      border: none;
      border-radius: 0.5rem;
      cursor: pointer;
      text-decoration: none;
      transition: background-color 0.2s;
    }

    .link-button:hover {
      background-color: #555;
    }

    .link-button img {
      width: 20px;
      height: 20px;
    }