:root {
    --primary-color: #007bff;
    --secondary-color: #f8f9fa;
}

body {
    background-color: var(--secondary-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.form-wrapper {
    max-width: 600px;
    margin: 40px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.form-wrapper h2 {
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

.form-wrapper .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-wrapper .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}