/* Login Invite page-specific styles */
  .page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }

  /* Login Card */
  .login-card {
    max-width: 500px;
    width: 100%;
    background: var(--nb-bg);
    padding: 48px;
    border: 6px solid var(--nb-border);
    box-shadow: 12px 12px 0 var(--nb-border);
  }

  /* Robot Mascot */
  .robot {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nb-primary);
    border: 5px solid var(--nb-border);
    box-shadow: 8px 8px 0 var(--nb-border);
    transition: all 0.3s ease;
  }

  .robot:hover {
    transform: rotate(5deg) scale(1.05);
    box-shadow: 10px 10px 0 var(--nb-border);
  }

  .robot svg {
    width: 70px;
    height: 70px;
    color: var(--nb-bg);
  }

  /* Typography */
  .login-card h1 {
    font-size: 32px;
    font-weight: 900;
    color: var(--nb-text);
    margin-bottom: 12px;
    letter-spacing: -1px;
    line-height: 1.1;
    text-align: center;
    text-transform: uppercase;
  }

  .subtitle {
    font-size: 16px;
    color: var(--nb-text-muted);
    font-weight: 600;
    margin-bottom: 36px;
    text-align: center;
    line-height: 1.5;
  }

  /* Form Styles */
  .form-group {
    margin-bottom: 24px;
    text-align: left;
  }

  .login-card label {
    display: block;
    font-weight: 900;
    font-size: 13px;
    margin-bottom: 8px;
    color: var(--nb-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .login-card input[type="email"] {
    width: 100%;
    padding: 16px;
    border: 4px solid var(--nb-border);
    font-size: 16px;
    font-weight: 600;
    background: var(--nb-bg);
    color: var(--nb-text);
    outline: none;
    transition: all 0.15s ease;
  }

  .login-card input[type="email"]:focus {
    border-color: var(--nb-primary);
    box-shadow: 4px 4px 0 var(--nb-border);
    transform: translate(-2px, -2px);
  }

  .login-card input[type="email"]::placeholder {
    color: var(--nb-text-muted);
    opacity: 0.6;
  }

  /* Button — also applies to <a class="btn-google"> for link-style sign-in */
  .btn-google {
    width: 100%;
    padding: 18px;
    background: var(--nb-primary);
    color: var(--nb-bg);
    border: 4px solid var(--nb-border);
    box-shadow: 6px 6px 0 var(--nb-border);
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-sizing: border-box;
  }

  .btn-google:hover {
    transform: translate(-2px, -2px);
    box-shadow: 8px 8px 0 var(--nb-border);
    background: var(--nb-primary-dark);
  }

  .btn-google:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--nb-border);
  }

  .btn-google svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
  }

  /* Info Box */
  .info-box {
    background: var(--nb-accent-light);
    padding: 20px;
    border: 3px solid var(--nb-border);
    margin-top: 28px;
    text-align: center;
  }

  .info-box p {
    font-size: 14px;
    font-weight: 600;
    color: var(--nb-text);
    line-height: 1.6;
    margin: 0 0 8px 0;
  }

  .info-box a {
    color: var(--nb-accent);
    font-weight: 900;
    text-decoration: none;
    border-bottom: 2px solid var(--nb-accent);
  }

  .info-box a:hover {
    background: var(--nb-accent);
    color: var(--nb-bg);
    padding: 2px 6px;
  }

  /* Error Alert */
  .login-card .alert {
    padding: 16px 20px;
    border: 4px solid var(--nb-danger);
    background: var(--nb-danger-light);
    color: var(--nb-danger-dark);
    font-weight: 700;
    margin-bottom: 24px;
    box-shadow: 4px 4px 0 var(--nb-border);
    text-align: center;
  }

  /* Back Link */
  .back-link {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 3px solid var(--nb-border);
  }

  .back-link a {
    color: var(--nb-text-muted);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
  }

  .back-link a:hover {
    color: var(--nb-primary);
  }

  /* Responsive */
  @media (max-width: 768px) {
    .page-container {
      padding: 40px 20px;
    }

    .login-card {
      padding: 36px 28px;
      border-width: 4px;
      box-shadow: 8px 8px 0 var(--nb-border);
    }

    .login-card h1 {
      font-size: 28px;
    }

    .robot {
      width: 90px;
      height: 90px;
    }

    .robot svg {
      width: 55px;
      height: 55px;
    }
  }