body {
    background-color: #f8f9fa;
}

.card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 8px;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.difference-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.difference-item h4 {
    color: #dc3545;
    margin-bottom: 10px;
}

.difference-item .row-data {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.difference-item .highlight {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
}

.btn-primary {
    background-color: #0d6efd;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
}

.btn-primary:hover {
    background-color: #0b5ed7;
}

.form-control:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Validation Results Styles */
.validation-results {
    margin-top: 2rem;
}

.validation-results h3 {
    margin-bottom: 1.5rem;
    color: #495057;
}

.validation-results h6 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: #495057;
}

.validation-results .alert {
    margin-bottom: 1rem;
}

.validation-results .alert-danger {
    background-color: #fff3f3;
    border-color: #ffcdd2;
    color: #dc3545;
}

.validation-results .alert-success {
    background-color: #f0fff4;
    border-color: #c6f6d5;
    color: #28a745;
}

.validation-results .mt-2 {
    margin-top: 0.5rem;
}

.validation-results strong {
    color: #495057;
}