body {
      margin: 0;
      background-color: #f8f9fa;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    .container-blocco {
      padding: 10px;
      max-width: 768px;
      margin: 0 auto;
    }
    /* blocco lingue */
    .lang-select {
      text-align: center;
      margin: 0px auto 10px auto;
    }
    .lang-select .dropdown-toggle {
      padding: 6px 14px;
      font-size: 14px;
      background: #fff;
      color: #333;
      border: 1px solid #ddd;
      border-radius: 8px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    }
    .dropdown-menu {
      background-color: #fff !important;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.15);
      min-width: 0;
      width: max-content;
    }
    .dropdown-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      padding: 8px 10px !important;
      color: #333;
    }
    .dropdown-item:hover, .dropdown-item.active {
      background-color: #e3f3ea;
      color: #000;
    }
    .dropdown-item img { width: 22px; height: 15px; }

    /* card login */
    .login-card {
      background: #fff;
      border-radius: 1rem;
      box-shadow: 0 6px 18px rgba(0,0,0,0.12);
      padding: 2rem;
      max-width: 420px;
      width: 100%;
      margin: 0 auto 2rem auto; /* meno spazio tra tendina e form */
    }
    .logo {
      max-width: 200px;
      margin-bottom: 1rem;
      border-radius: 20px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }
    .btn-primary {
      background-color: #2fbf6d;
      border: none;
    }
    .btn-primary:hover {
      background-color: #28a85e;
    }
    .field-icon {
      position: absolute;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      color: #999;
    }
    .register-link {
      color: #1f8dcf;
      font-weight: 600;
      text-decoration: none;
    }
    .register-link:hover {
      text-decoration: underline;
    }