.pos-page{display:flex;height:100vh;overflow:hidden;--pos-sidebar-w: 340px}.pos-sidebar{width:var(--pos-sidebar-w);border-left:1px solid var(--border);background:var(--white);display:flex;flex-direction:column;flex-shrink:0;order:2}.pos-main{flex:1;display:flex;flex-direction:column;overflow:hidden;order:1}.pos-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;height:64px;border-bottom:1px solid var(--border);background:var(--white);flex-shrink:0}body.dark .pos-sidebar,body.dark .pos-topbar{background:var(--surface)}.pos-grid{flex:1;overflow-y:auto;padding:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;align-content:start}.pos-product{display:flex;flex-direction:column;align-items:center;padding:12px 8px;border-radius:12px;cursor:pointer;border:2px solid var(--gray-200);background:var(--white);transition:all .15s;min-height:100px;-webkit-tap-highlight-color:transparent}.pos-product:active{transform:scale(.95);border-color:var(--accent)}.pos-product-img{width:56px;height:56px;border-radius:10px;object-fit:cover;background:var(--gray-100);margin-bottom:6px}.pos-product-name{font-size:.75rem;font-weight:600;color:var(--text);text-align:center;line-height:1.2;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.pos-product-price{font-size:.72rem;font-weight:700;color:var(--accent);margin-top:2px}body.dark .pos-product{background:var(--gray-100);border-color:var(--gray-300)}body.dark .pos-product:active{border-color:var(--accent)}.pos-categories{display:flex;gap:6px;padding:10px 16px;overflow-x:auto;flex-shrink:0;border-bottom:1px solid var(--border);-webkit-overflow-scrolling:touch}.pos-category{display:inline-flex;align-items:center;gap:4px;padding:8px 16px;border-radius:10px;border:none;background:var(--gray-100);color:var(--gray-600);font-size:.78rem;font-weight:600;font-family:inherit;cursor:pointer;white-space:nowrap;min-height:48px;transition:all .15s;flex-shrink:0}.pos-category .material-symbols-outlined{font-size:18px}.pos-category.active{background:var(--accent);color:#fff}.pos-category:not(.active):active{background:var(--gray-200)}body.dark .pos-category{background:var(--gray-200);color:var(--gray-500)}body.dark .pos-category.active{background:var(--accent);color:#fff}.pos-cart{flex:1;overflow-y:auto;padding:0}.pos-cart-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);font-size:.85rem;font-weight:700;color:var(--text)}.pos-cart-count{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;border-radius:12px;background:var(--accent);color:#fff;font-size:.68rem;font-weight:700;padding:0 6px}.pos-cart-item{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--gray-100)}.pos-cart-item-info{flex:1;min-width:0}.pos-cart-item-name{font-size:.78rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pos-cart-item-price{font-size:.72rem;color:var(--muted)}.pos-cart-item-total{font-size:.82rem;font-weight:700;color:var(--text)}.pos-qty{display:inline-flex;align-items:center;gap:0;border:1px solid var(--gray-200);border-radius:10px;overflow:hidden}.pos-qty-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;cursor:pointer;background:var(--gray-100);color:var(--text);font-size:0;padding:0}.pos-qty-btn .material-symbols-outlined{font-size:18px}.pos-qty-btn:active{background:var(--gray-200)}.pos-qty-value{width:40px;text-align:center;font-size:.85rem;font-weight:700;color:var(--text);border:none;background:none}body.dark .pos-qty{border-color:var(--gray-300)}body.dark .pos-qty-btn{background:var(--gray-200)}.pos-numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:12px}.pos-numpad-btn{display:flex;align-items:center;justify-content:center;min-height:56px;border-radius:12px;border:1px solid var(--gray-200);background:var(--white);color:var(--text);font-size:1.2rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .1s;-webkit-tap-highlight-color:transparent}.pos-numpad-btn:active{background:var(--gray-100);transform:scale(.96)}.pos-numpad-btn.accent{background:var(--accent);color:#fff;border-color:var(--accent)}.pos-numpad-btn.accent:active{background:var(--accent-dark)}.pos-numpad-btn.danger{background:var(--red);color:#fff;border-color:var(--red)}.pos-numpad-btn.danger:active{background:var(--red-600)}body.dark .pos-numpad-btn{background:var(--gray-100);border-color:var(--gray-300)}body.dark .pos-numpad-btn:active{background:var(--gray-200)}.pos-total{padding:12px 16px;border-top:2px solid var(--border);display:flex;flex-direction:column;gap:8px;flex-shrink:0}.pos-total-row{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:var(--muted)}.pos-total-row.grand{font-size:1.1rem;font-weight:800;color:var(--text)}.pos-pay-btn{width:100%;min-height:56px;border-radius:14px;border:none;background:var(--green);color:#fff;cursor:pointer;font-size:1rem;font-weight:700;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .15s;-webkit-tap-highlight-color:transparent}.pos-pay-btn .material-symbols-outlined{font-size:22px}.pos-pay-btn:active{transform:scale(.97);background:var(--green-600)}.pos-pay-btn:disabled{opacity:.4;cursor:not-allowed}.pos-quickbar{display:flex;gap:6px;padding:8px 16px;border-top:1px solid var(--border);flex-shrink:0;overflow-x:auto}.pos-quick-btn{display:inline-flex;align-items:center;gap:4px;padding:8px 12px;border-radius:8px;border:1px solid var(--gray-200);background:var(--white);color:var(--gray-600);font-size:.72rem;font-weight:500;font-family:inherit;cursor:pointer;white-space:nowrap;min-height:40px}.pos-quick-btn .material-symbols-outlined{font-size:16px}.pos-quick-btn:active{background:var(--gray-100)}body.dark .pos-quick-btn{background:var(--gray-100);border-color:var(--gray-300)}.pos-payment-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center}.pos-payment-amount{font-size:3rem;font-weight:800;color:var(--text);margin-bottom:1.5rem}.pos-payment-methods{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.pos-payment-method{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 24px;border-radius:16px;border:2px solid var(--gray-200);background:var(--white);cursor:pointer;min-width:100px;transition:all .15s}.pos-payment-method .material-symbols-outlined{font-size:32px;color:var(--accent)}.pos-payment-method:active{border-color:var(--accent);transform:scale(.96)}.pos-payment-method-label{font-size:.82rem;font-weight:600;color:var(--text)}body.dark .pos-payment-overlay{background:var(--bg)}body.dark .pos-payment-method{background:var(--gray-100);border-color:var(--gray-300)}.pos-success{display:flex;flex-direction:column;align-items:center;gap:12px;animation:fadeIn .3s ease}.pos-success-icon{width:80px;height:80px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center}.pos-success-icon .material-symbols-outlined{font-size:40px}.pos-success-text{font-size:1.2rem;font-weight:700;color:var(--text)}.pos-success-amount{font-size:1.8rem;font-weight:800;color:var(--green)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}