@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-primary:#0f1117;--bg-secondary:#1a1d27;--bg-card:#20232e;--bg-hover:#2a2d3a;--border:#2e3244;--text-primary:#f1f3f9;--text-secondary:#8b90a7;--text-muted:#555b73;--accent:#6366f1;--accent-hover:#5254cc;--accent-light:#6366f126;--green:#22c55e;--green-light:#22c55e26;--red:#ef4444;--red-light:#ef444426;--yellow:#f59e0b;--yellow-light:#f59e0b26;--blue:#3b82f6;--blue-light:#3b82f626;--sidebar-w:240px;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px #0006;--transition:.2s ease}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,sans-serif;font-size:14px;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;padding:32px}.sidebar{width:var(--sidebar-w);background:var(--bg-secondary);border-right:1px solid var(--border);z-index:100;flex-direction:column;height:100vh;padding:24px 0;display:flex;position:fixed;top:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:0 20px 24px;display:flex}.sidebar-logo .logo-icon{background:var(--accent);border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex}.sidebar-logo span{color:var(--text-primary);font-size:16px;font-weight:700}.sidebar-logo small{color:var(--text-secondary);font-size:11px;font-weight:400;display:block}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 12px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);transition:var(--transition);align-items:center;gap:12px;padding:10px 12px;font-size:13.5px;font-weight:500;text-decoration:none;display:flex}.nav-link:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-link.active{background:var(--accent-light);color:var(--accent)}.nav-link .nav-icon{flex-shrink:0;width:18px;height:18px}.sidebar-footer{border-top:1px solid var(--border);padding:16px 20px}.sidebar-footer p{color:var(--text-muted);font-size:11px}.page-header{margin-bottom:28px}.page-header h1{margin-bottom:4px;font-size:24px;font-weight:700}.page-header p{color:var(--text-secondary);font-size:13px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:16px;padding:20px;display:flex}.stat-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-info .label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:500}.stat-info .value{margin-top:2px;font-size:26px;font-weight:700;line-height:1.2}.stat-info .sub{color:var(--text-secondary);margin-top:2px;font-size:12px}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:none;align-items:center;gap:8px;padding:9px 18px;font-family:inherit;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--red-light);color:var(--red);border:1px solid #ef44444d}.btn-danger:hover{background:var(--red);color:#fff}.btn-success{background:var(--green);color:#fff}.btn-success:hover{background:#16a34a}.btn-sm{padding:6px 12px;font-size:12px}.btn-icon{border-radius:var(--radius-sm);background:var(--bg-hover);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;padding:8px;display:inline-flex}.btn-icon:hover{color:var(--text-primary);background:var(--border)}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-control{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:10px 14px;font-family:inherit;font-size:14px}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.form-control::placeholder{color:var(--text-muted)}select.form-control{appearance:none;cursor:pointer}textarea.form-control{resize:vertical;min-height:80px}.table-wrap{border-radius:var(--radius);border:1px solid var(--border);overflow-x:auto}table{border-collapse:collapse;width:100%}thead th{background:var(--bg-secondary);text-align:left;text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary);padding:12px 16px;font-size:11px;font-weight:600}tbody tr{border-top:1px solid var(--border);transition:var(--transition)}tbody tr:hover{background:var(--bg-hover)}tbody td{vertical-align:middle;padding:12px 16px;font-size:13.5px}.badge{border-radius:20px;align-items:center;padding:3px 10px;font-size:11px;font-weight:600;display:inline-flex}.badge-green{background:var(--green-light);color:var(--green)}.badge-red{background:var(--red-light);color:var(--red)}.badge-yellow{background:var(--yellow-light);color:var(--yellow)}.badge-blue{background:var(--blue-light);color:var(--blue)}.badge-purple{background:var(--accent-light);color:var(--accent)}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;animation:.2s slideUp;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);background:var(--bg-secondary);z-index:1;justify-content:space-between;align-items:center;padding:20px 24px;display:flex;position:sticky;top:0}.modal-header h2{font-size:17px;font-weight:700}.modal-body{padding:24px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:12px;padding:16px 24px;display:flex}.pos-layout{grid-template-columns:1fr 360px;gap:20px;height:calc(100vh - 64px);display:grid}.pos-products{flex-direction:column;display:flex;overflow:hidden}.pos-search-bar{gap:10px;margin-bottom:16px;display:flex}.pos-search-bar .form-control{flex:1}.category-tabs{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.cat-tab{border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;transition:var(--transition);border-radius:20px;padding:7px 16px;font-size:12.5px;font-weight:500}.cat-tab:hover{border-color:var(--accent);color:var(--accent)}.cat-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.product-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;padding-bottom:8px;display:grid;overflow-y:auto}.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);position:relative;overflow:hidden}.product-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px #6366f133}.product-card.out-of-stock{opacity:.5;cursor:not-allowed}.product-card-img{object-fit:cover;background:var(--bg-secondary);justify-content:center;align-items:center;width:100%;height:120px;display:flex}.product-card-img img{object-fit:cover;width:100%;height:100%}.product-card-img .no-img{color:var(--text-muted);font-size:32px}.product-card-info{padding:10px}.product-card-info .name{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:4px;font-size:13px;font-weight:600;line-height:1.3;display:-webkit-box;overflow:hidden}.product-card-info .price{color:var(--accent);font-size:15px;font-weight:700}.product-card-info .stock-info{color:var(--text-muted);margin-top:3px;font-size:11px}.stock-badge{background:var(--red);color:#fff;border-radius:10px;padding:2px 7px;font-size:10px;font-weight:600;position:absolute;top:8px;right:8px}.cart-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;display:flex;overflow:hidden}.cart-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.cart-header h3{font-size:15px;font-weight:700}.cart-items{flex-direction:column;flex:1;gap:8px;padding:12px;display:flex;overflow-y:auto}.cart-empty{color:var(--text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;display:flex}.cart-empty svg{opacity:.3}.cart-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}.cart-item-name{margin-bottom:8px;font-size:13px;font-weight:600}.cart-item-row{justify-content:space-between;align-items:center;display:flex}.qty-ctrl{align-items:center;gap:6px;display:flex}.qty-btn{background:var(--bg-hover);border:1px solid var(--border);width:26px;height:26px;color:var(--text-primary);cursor:pointer;transition:var(--transition);border-radius:6px;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.qty-btn:hover{background:var(--accent);border-color:var(--accent)}.qty-display{text-align:center;min-width:24px;font-size:14px;font-weight:700}.cart-item-price{color:var(--accent);font-weight:700}.cart-summary{border-top:1px solid var(--border);padding:16px 20px}.summary-row{color:var(--text-secondary);justify-content:space-between;margin-bottom:8px;font-size:13.5px;display:flex}.summary-row.total{color:var(--text-primary);border-top:1px solid var(--border);margin-top:12px;margin-bottom:0;padding-top:12px;font-size:18px;font-weight:700}.checkout-btn{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--accent), #8b5cf6);color:#fff;cursor:pointer;width:100%;transition:var(--transition);border:none;margin-top:12px;padding:14px;font-family:inherit;font-size:15px;font-weight:700}.checkout-btn:hover{opacity:.9;transform:translateY(-1px)}.checkout-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.payment-methods{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px;display:grid}.payment-method{border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg-card);text-align:center;cursor:pointer;transition:var(--transition);padding:14px}.payment-method:hover{border-color:var(--accent)}.payment-method.selected{border-color:var(--accent);background:var(--accent-light)}.payment-method .pm-icon{margin-bottom:6px;font-size:22px}.payment-method .pm-label{font-size:12px;font-weight:600}.img-upload-area{border:2px dashed var(--border);border-radius:var(--radius-sm);text-align:center;cursor:pointer;transition:var(--transition);background:var(--bg-primary);padding:24px}.img-upload-area:hover{border-color:var(--accent);background:var(--accent-light)}.img-preview{object-fit:contain;border-radius:var(--radius-sm);width:100%;max-height:200px;margin-bottom:8px}.top-product-item{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 0;display:flex}.top-product-item:last-child{border-bottom:none}.top-product-rank{background:var(--accent-light);width:24px;height:24px;color:var(--accent);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.top-product-img{object-fit:cover;background:var(--bg-secondary);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex;overflow:hidden}.top-product-img img{object-fit:cover;width:100%;height:100%}.flex{display:flex}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.gap-8{gap:8px}.gap-12{gap:12px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.text-sm{font-size:12px}.text-muted{color:var(--text-secondary)}.loading{text-align:center;color:var(--text-muted);padding:48px}.empty-state{text-align:center;color:var(--text-muted);padding:64px 32px}.empty-state svg{opacity:.2;margin-bottom:16px}.divider{background:var(--border);height:1px;margin:16px 0}.product-img-thumb{object-fit:cover;background:var(--bg-secondary);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex;overflow:hidden}.product-img-thumb img{object-fit:cover;width:100%;height:100%}.color-dot{border-radius:50%;width:12px;height:12px;margin-right:8px;display:inline-block}.preview-thumb{position:relative}.preview-thumb-overlay{opacity:0;background:#6366f1a6;border-radius:8px;justify-content:center;align-items:center;transition:opacity .15s;display:flex;position:absolute;inset:0}.preview-thumb:hover .preview-thumb-overlay{opacity:1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin;display:inline-block}