.login-card {
      display: none;
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background: white;
      padding: 40px 30px;
      border-radius: 20px;
      box-shadow: 0 15px 30px rgba(0,0,0,0.2);
      z-index: 999;
      width: 300px;
      animation: fadeIn 0.3s ease-in-out;
    }


    .login-card h2 {
      margin-top: 0;
      margin-bottom: 20px;
      text-align: center;
      color: #333;
    }

    .login-card input {
      width: 100%;
      padding: 12px;
      margin: 10px 0;
      border-radius: 10px;
      border: 1px solid #ccc;
      font-size: 14px;
    }

    .login-card button {
      width: 100%;
      padding: 12px;
      border: none;
      border-radius: 25px;
      background: linear-gradient(45deg, #0a75c2, #00c6ff);
      color: white;
      font-size: 16px;
      font-weight: bold;
      cursor: pointer;
      transition: 0.3s;
    }

    .login-card button:hover {
      opacity: 0.9;
    }