body {
    background: #f4f6f9;
    font-family: 'Segoe UI', sans-serif;
}

.venta-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    font-weight: 700;
    margin-bottom: 30px;
}

.form-control {
    border-radius: 10px;
}

.btn-agregar {
    background-color: #007bff;
    color: white;
    border-radius: 10px;
}

.btn-finalizar {
    background-color: #28a745;
    color: white;
    border-radius: 10px;
    font-size: 1.1rem;
}

.btn-agregar:hover,
.btn-finalizar:hover {
    opacity: 0.9;
}

.table thead {
    background-color: #f0f0f0;
}

@media (max-width: 768px) {
    .venta-container {
        padding: 20px;
    }

    .btn-finalizar {
        font-size: 1rem;
    }
}