.nt93-bg { background-color: #000; color: #fff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
  .nt93-top-nav { padding: 2rem; }
  .nt93-btn-close { font-size: 0.75rem; padding: 0.375rem 1rem; background-color: #111; border: 1px solid #222; border-radius: 4px; color: #d1d5db; transition: background-color 0.2s; }
  .nt93-btn-close:hover { background-color: #222; color: #fff; }
  .nt93-dot { display: inline-block; width: 8px; height: 8px; background-color: #fff; border-radius: 50%; margin-left: 2px; }
  .nt93-text-gray { color: #888; font-size: 13px; line-height: 1.6; }
  .nt93-label { font-size: 11px; color: #777; margin-bottom: 0.5rem; display: block; }
  .nt93-input { width: 100%; padding: 0.625rem 0.75rem; background-color: #141414; border: 1px solid transparent; border-radius: 4px; font-size: 0.875rem; color: #fff; transition: border-color 0.2s; }
  .nt93-input::placeholder { color: #555; }
  .nt93-input:focus { border-color: #333; outline: none; background-color: #141414; color: #fff; box-shadow: none; }
  .nt93-terms { font-size: 10px; color: #666; line-height: 1.6; }
  .nt93-terms a { color: #666; text-decoration: underline; }
  .nt93-terms a:hover { color: #999; }
  .nt93-btn-submit { padding: 0.5rem 2rem; background-color: #fff; color: #000; font-size: 13px; font-weight: 500; border-radius: 4px; border: none; transition: background-color 0.2s; }
  .nt93-btn-submit:hover { background-color: #e5e7eb; }
  .nt93-login-tab { font-size: 12px; padding: 0.375rem 0.875rem; background-color: transparent; border: 1px solid #222; border-radius: 4px; color: #888; transition: all 0.2s; }
  .nt93-login-tab:hover { color: #ccc; border-color: #333; }
  .nt93-login-tab.active { background-color: #fff; color: #000; border-color: #fff; }
  .nt93-right-col { border-left: 1px solid #222; }
  @media (max-width: 768px) {
    .nt93-right-col { border-left: none; padding-top: 2rem; }
  }