.login-card {
      background: #ffffff;
      border-radius: 12px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      padding: 2.5rem;
      max-width: 450px;
      width: 100%;
      text-align: center;
      animation: fadeIn 0.6s ease-in-out;
    }

    .login-card img {
      max-width: 200px;
      margin-bottom: 1.5rem;
    }

    .login-card h1 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 2rem;
      color: #333;
    }

    .btn {
      width: 100%;
      padding: 0.75rem;
      font-size: 1.1rem;
      border-radius: 8px;
      margin-bottom: 1rem;
    }

    .btn-primary {
      background-color: #007bff;
      border: none;
    }

    .btn-dark {
      background-color: #1d1d1d;
      border: none;
    }

    .separator {
      margin: 1rem 0;
      font-weight: 500;
      color: #666;
      position: relative;
    }

    .separator::before,
    .separator::after {
      content: "";
      height: 1px;
      background: #ddd;
      position: absolute;
      top: 50%;
      width: 40%;
    }

    .separator::before {
      left: 0;
    }
    .separator::after {
      right: 0;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
body {
      background: linear-gradient(135deg, #4a90e2, #357abd);
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .login-card {
      background: #ffffff;
      border-radius: 12px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      padding: 2.5rem;
      max-width: 450px;
      width: 100%;
      text-align: center;
      animation: fadeIn 0.6s ease-in-out;
    }

    .login-card img {
      max-width: 200px;
      margin-bottom: 1.5rem;
    }

    .login-card h1 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 2rem;
      color: #333;
    }

    .btn {
      width: 100%;
      padding: 0.75rem;
      font-size: 1.1rem;
      border-radius: 8px;
      margin-bottom: 1rem;
    }

    .btn-primary {
      background-color: #007bff;
      border: none;
    }

    
    .btn-dark {
      background-color: #1d1d1d;
      border: none;
    }

    .separator {
      margin: 1rem 0;
      font-weight: 500;
      color: #666;
      position: relative;
    }

    .separator::before,
    .separator::after {
      content: "";
      height: 1px;
      background: #ddd;
      position: absolute;
      top: 50%;
      width: 40%;
    }

    .separator::before {
      left: 0;
    }
    .separator::after {
      right: 0;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }