@import "https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&display=swap";:root{--primary-color:#121212;--primary-hover:#000;--bg-color:#eff0f1;--panel-bg:#fffaf8;--text-dark:#121212;--text-muted:#555;--border-color:#e5e7eb;--danger-color:#ef4444;--danger-hover:#dc2626;--success-color:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-dark);-webkit-font-smoothing:antialiased;font-family:Lexend,sans-serif}.auth-container{background-color:var(--bg-color);justify-content:center;align-items:center;height:100vh;display:flex}.auth-box{background:var(--panel-bg);text-align:center;border-radius:16px;width:400px;padding:40px;box-shadow:0 10px 25px #0000000d}.auth-box img{width:150px;margin-bottom:30px}.auth-input{border:1px solid var(--border-color);border-radius:8px;outline:none;width:100%;margin-bottom:15px;padding:12px 15px;font-family:Lexend,sans-serif}.auth-input:focus{border-color:var(--primary-color)}.auth-btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:14px;font-family:Lexend,sans-serif;font-weight:600;transition:all .2s}.auth-btn:hover{background:var(--primary-hover)}.auth-error{color:var(--danger-color);margin-bottom:15px;font-size:.9rem}.modal-overlay{z-index:100;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--panel-bg);border-radius:16px;width:400px;padding:30px;box-shadow:0 20px 40px #0000001a}.modal-title{justify-content:space-between;align-items:center;margin-bottom:20px;font-size:1.25rem;font-weight:600;display:flex}.payment-methods{gap:10px;margin-bottom:20px;display:flex}.pay-method-btn{border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:8px;flex:1;padding:12px;font-weight:500;transition:all .2s}.pay-method-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.big-input{border:1px solid var(--border-color);text-align:center;border-radius:8px;width:100%;margin-bottom:20px;padding:15px;font-size:1.2rem}.change-display{text-align:center;color:var(--success-color);margin:20px 0;font-size:2rem;font-weight:700}.modal-actions{gap:10px;display:flex}.btn-cancel{cursor:pointer;background:#f3f4f6;border:none;border-radius:8px;flex:1;padding:12px;font-weight:600}.btn-confirm{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;flex:2;padding:12px;font-weight:600}.btn-confirm:disabled{cursor:not-allowed;background:#9ca3af}.pos-container{height:100vh;display:flex;overflow:hidden}.cart-panel{background-color:var(--panel-bg);border-right:1px solid var(--border-color);z-index:10;flex-direction:column;width:30vw;min-width:350px;max-width:500px;display:flex;box-shadow:2px 0 10px #00000005}.cart-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px;display:flex}.cart-header h1{color:var(--primary-color);align-items:center;gap:8px;font-size:1.25rem;font-weight:600;display:flex}.cart-items{flex:1;padding:15px;overflow-y:auto}.cart-item{border:1px solid var(--border-color);background-color:#fff;border-radius:12px;flex-direction:column;margin-bottom:12px;padding:15px;transition:all .2s;display:flex}.cart-item-header{justify-content:space-between;margin-bottom:10px;display:flex}.cart-item-title{font-size:.95rem;font-weight:500;line-height:1.4}.cart-item-price{color:var(--primary-color);font-weight:600}.cart-item-actions{justify-content:space-between;align-items:center;display:flex}.quantity-controls{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;align-items:center;display:flex;overflow:hidden}.qty-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;padding:6px 10px;transition:all .2s}.qty-value{padding:0 12px;font-size:.95rem;font-weight:500}.remove-btn{color:var(--danger-color);cursor:pointer;background:#ef44441a;border:none;border-radius:6px;padding:6px}.cart-footer{background-color:var(--panel-bg);border-top:1px solid var(--border-color);padding:20px}.summary-row{color:var(--text-muted);justify-content:space-between;margin-bottom:12px;font-size:.95rem;display:flex}.summary-total{border-top:2px dashed var(--border-color);color:var(--text-dark);justify-content:space-between;margin-top:15px;padding-top:15px;font-size:1.5rem;font-weight:700;display:flex}.checkout-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:20px;padding:16px;font-size:1.1rem;font-weight:600;display:flex}.checkout-btn:disabled{cursor:not-allowed;background-color:#9ca3af}.products-panel{background-color:var(--bg-color);flex-direction:column;flex:1;display:flex}.products-header{background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 30px;display:flex}.search-bar{background-color:var(--bg-color);border:1px solid #0000;border-radius:12px;align-items:center;width:400px;padding:10px 15px;display:flex}.search-bar:focus-within{border-color:var(--primary-color)}.search-bar input{background:0 0;border:none;outline:none;width:100%;padding-left:10px;font-family:Lexend,sans-serif;font-size:1rem}.categories{scrollbar-width:none;gap:10px;padding:15px 30px;display:flex;overflow-x:auto}.categories::-webkit-scrollbar{display:none}.category-chip{background-color:var(--panel-bg);border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;white-space:nowrap;border-radius:20px;padding:8px 16px;font-family:Lexend,sans-serif;font-weight:500}.category-chip.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.products-grid{flex:1;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));align-content:start;gap:20px;padding:20px 30px;display:grid;overflow-y:auto}.product-card{background-color:var(--panel-bg);border:1px solid var(--border-color);cursor:pointer;border-radius:16px;flex-direction:column;padding:15px;display:flex;position:relative}.product-card:hover{border-color:var(--text-muted)}.product-image-container{background-color:#fff;border-radius:10px;justify-content:center;align-items:center;height:140px;margin-bottom:15px;display:flex;overflow:hidden}.product-image-container img{object-fit:contain;max-width:100%;max-height:100%}.product-title{color:var(--text-dark);-webkit-line-clamp:2;-webkit-box-orient:vertical;height:2.8em;margin-bottom:8px;font-size:.95rem;font-weight:500;display:-webkit-box;overflow:hidden}.product-price{color:var(--primary-color);margin-top:auto;font-size:1.1rem;font-weight:700}.stock-badge{color:var(--success-color);background:#10b9811a;border-radius:6px;padding:4px 8px;font-size:.75rem;font-weight:600;position:absolute;top:10px;right:10px}.loader-container{height:100%;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.loader{border:4px solid var(--bg-color);border-left-color:var(--primary-color);border-radius:50%;width:40px;height:40px;margin-bottom:15px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-cart{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:15px;display:flex}