.card {
        border-radius: 1rem;
        background-color: #ffffff;  
        padding: 0rem;
        margin: 0rem;
    }

    .login-container {
        padding: 1.25rem 0;
    }

    .login-page .container-fluid.py-4 {
        padding-top: 0;
        padding-bottom: 0;
    }

    .login-page #main-content {
        min-height: auto;
    }

    .login-page footer {
        margin-top: 0;
    }

    .card-body {
        padding: 1.5rem !important;
    }

    .card-body h2 {
        color: #333333;
        font-weight: 700;
        font-size: 1.5rem;
    }

    .card-body p {
        color: #666666;
        font-size: 0.875rem;
    }

    .form-label {
        color: #333333;
        font-weight: 600;
        font-size: 0.875rem;
    }

    .form-control {
        border-color: #e0e0e0;
        color: #333333;
        background-color: #ffffff;
        padding: 0.5rem 0.75rem;
        font-size: 0.9375rem;
    }

    .form-control::placeholder {
        color: #999999;
    }

    .form-control:focus {
        border-color: #667eea;
        color: #333333;
        background-color: #ffffff;
        box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    }

    .btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.9375rem;
    }

    .alert {
        color: #721c24;
        background-color: #f8d7da;
        border-color: #f5c6cb;
        font-size: 0.875rem;
    }

    .alert-info {
        color: #0c5460;
        background-color: #d1ecf1;
        border-color: #bee5eb;
    }

    .alert-info small {
        color: #0c5460;
    }

    .invalid-feedback {
        color: #dc3545 !important;
        font-weight: 500;
        font-size: 0.8125rem;
    }

    .is-invalid {
        border-color: #dc3545 !important;
    }

    .text-muted {
        color: #666666 !important;
    }

    hr {
        border-color: #e0e0e0;
        opacity: 0.5;
    }

    /* Toggle eye button */
    #togglePassword {
        border-color: #d1d5db;
        background-color: #f3f4f6;
        color: #4b5563;
        padding: 0.5rem 0.75rem;
    }

    #togglePassword:hover {
        background-color: #e5e7eb;
        border-color: #cbd5e1;
        color: #111827;
    }

    /* Responsive adjustments */
    @media (max-width: 576px) {
        .card-body {
            padding: 1.25rem !important;
        }

        .card-body h2 {
            font-size: 1.375rem;
        }

        .fa-dumbbell {
            font-size: 1.75rem !important;
        }
    }