/* Background styling */
      body {
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: "Poppins", sans-serif;
      }

      /* Login card */
      .login-card {
        background-color: #fff;
        border-radius: 20px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        width: 100%;
        max-width: 380px;
        padding: 2rem;
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
      }

      .login-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
      }

      /* Header text */
      .login-card h1 {
        font-weight: 600;
        margin-bottom: 1rem;
        color: #343a40;
      }

      /* Floating labels */
      .form-floating > .form-control {
        border-radius: 10px;
      }

      .form-control:focus {
        border-color: #6610f2;
        box-shadow: 0 0 0 0.2rem rgba(102, 16, 242, 0.25);
      }

      /* Button */
      .btn-primary {
        background-color: #6610f2;
        border: none;
        border-radius: 10px;
        font-weight: 500;
        transition: all 0.3s ease;
      }

      .btn-primary:hover {
        background-color: #520dc2;
        transform: scale(1.02);
      }

      /* Checkbox */
      .form-check-label {
        color: #6c757d;
      }

      /* Footer */
      .login-footer {
        font-size: 0.9rem;
        color: #adb5bd;
        margin-top: 1rem;
      }

      /* Subtle fade animation */
      .fade-in {
        animation: fadeIn 0.8s ease forwards;
      }

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