html, body {
      height: 100%;
      margin: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #000;
      font-family: 'Segoe UI', sans-serif;
    }

    /* CARD (kept & refined) */
    .content-wrapper {
      background: rgba(255, 255, 255, 0.06);
      padding: 36px 30px;
      border-radius: 16px;
      box-shadow: 0 0 40px rgba(98, 0, 255, 0.35);
      color: white;
      text-align: center;
      width: 90%;
      max-width: 460px;
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    h1 {
      margin-bottom: 16px;
      font-size: 32px;
      font-weight: 500;
    }

    /* NAV LINE */
    .nav {
      display: flex;
      justify-content: center;
      align-items: center;
      white-space: nowrap;
      font-size: 16px;
    }

    .nav span {
      color: #cfcfcf;
      cursor: pointer;
      transition: color 0.25s ease;
    }

    .nav a {
      color: #cfcfcf;
      cursor: pointer;
      transition: color 0.25s ease;
      text-decoration: none;
    }

    .nav span:hover {
      color: #b08cff;
    }

    .divider {
      margin: 0 10px;
      color: rgba(255, 255, 255, 0.35);
      cursor: default;
      user-select: none;
    }

    @media (max-width: 480px) {
      h1 {
        font-size: 24px;
      }
      .nav {
        font-size: 14px;
        flex-wrap: wrap;
        line-height: 1.8;
      }
      .divider {
        margin: 0 6px;
      }
    }