<style>
  /* ✨ Clean white theme with Gen Z vibe */
  body {
    font-family: 'Segoe UI', 'Inter', sans-serif;
    background: #ffffff;
    color: #0e0e1a;
    margin: 0;
    padding: 0;
  }

  .container {
    max-width: 480px;
    margin: auto;
    padding: 60px 20px;
    text-align: center;
  }

  .logo {
    width: 80px;
    margin-bottom: 30px;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  }

  h1 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0e0e1a;
  }

  p {
    font-size: 15px;
    color: #444;
    margin-bottom: 40px;
  }

  input {
    padding: 14px 16px;
    margin: 8px 0;
    width: 100%;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    background: rgba(245, 245, 255, 0.7);
    color: #111;
    font-size: 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(6px);
    transition: 0.2s ease;
  }

  input:focus {
    outline: none;
    border-color: #ff4d6d;
    box-shadow: 0 0 0 2px rgba(255, 77, 109, 0.3);
  }

  input::placeholder {
    color: #888;
  }

  button {
    padding: 12px 22px;
    margin: 6px;
    background: #ff4d6d;
    border: none;
    color: white;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 2px 6px rgba(255, 77, 109, 0.2);
    transition: 0.2s ease;
  }

  button:hover {
    background: #ff667f;
    box-shadow: 0 4px 10px rgba(255, 77, 109, 0.3);
  }

  #user-status {
    margin-top: 14px;
    font-size: 13px;
    color: #e63946;
  }

  #nav-links {
    margin-top: 40px;
    text-align: left;
  }

  #nav-links h3 {
    margin-bottom: 12px;
    color: #0e0e1a;
  }

  #nav-links ul {
    padding-left: 20px;
  }

  #nav-links li {
    margin: 8px 0;
  }

  a {
    color: #0077cc;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }

  @media (max-width: 480px) {
    .container {
      padding: 40px 16px;
    }

    h1 {
      font-size: 24px;
    }

    button {
      width: 100%;
      margin: 8px 0;
    }
  }
</style>