body {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    min-height: 100vh;
}

.card {
    border-radius: 12px;
}

.form-control:focus {
    border-color: #22c55e;
    box-shadow: 0 0 0 0.2rem rgba(34, 197, 94, 0.2);
}

.btn-success {
    background-color: #16a34a;
    border-color: #16a34a;
    font-weight: 600;
    padding: 0.55rem 1rem;
}

.btn-success:hover {
    background-color: #15803d;
    border-color: #15803d;
}