* { margin: 0; padding: 0; box-sizing: border-box; }
    html, body {
      height: 100%;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
      overflow: hidden;
    }
    body { background-color: var(--bg); color: var(--text);
    }
    :root {
      --bg: #FFFFFF;
      --text: #333333;
      --card-bg: #F6F5F4;
      --code-bg: #eaeaea;
    }
    @media (prefers-color-scheme: dark) {
      :root {
        --bg: #151515;
        --text: #f4f6f8;
        --card-bg: #232323;
        --code-bg: #2c2c2c;
      }
    }
    .container {
      position: relative;
      top: 45%;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 0 20px;
    }
    .logo { 
      width: 60px;
      height: auto;
      margin-bottom: 2rem;
    }
    .message {
      font-size: 1rem;
      font-weight: 400;
      max-width: 480px;
      line-height: 1.5;
      background: var(--card-bg);
      padding: 20px;
      border-radius: 12px;
    }
    .message h3 { margin-bottom: 0.5rem; }
    .message p { margin-bottom: 1rem; }
    .message p:last-child { margin-bottom: 0; }
    .message code {
      font-family: monospace;
      background: var(--code-bg);
      padding: 2px 4px;
      border-radius: 4px;
      display: inline-block;
    }