.pos-layout{display:grid;grid-template-columns:minmax(280px,36%) 1fr;gap:1rem}.pos-left,.pos-right{border:1px solid #ddd;border-radius:12px;padding:1rem}.scan-box input{font-size:1.4rem;width:100%;padding:.7rem}.product-preview img{max-width:100%;border-radius:12px}.totals{display:flex;justify-content:flex-end;align-items:center;gap:1rem;margin-top:1rem}.payment-panel{border-top:1px solid #eee;margin-top:1rem;padding-top:1rem}