:root {
    --primary-color: #4F46E5;
    --light-gray: #f8f9fa;
    --white: #ffffff;
}

body {
    background-color: var(--light-gray);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.card {
    border: none;
    border-radius: .75rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.card-header {
    background-color: var(--white);
    border-bottom: none;
    padding: 1.5rem;
    font-weight: 700;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: .75rem 1.5rem;
}

.btn-primary:hover {
    background-color: #4338CA;
    border-color: #4338CA;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
}