:root{--bg-main:#f4f7f9;--bg-card:#fff;--bg-dark:#0f172a;--bg-sidebar:#090d16;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--brand-primary:#059669;--brand-hover:#047857;--brand-light:#ecfdf5;--accent-pro:#7c3aed;--accent-pro-light:#f5f3ff;--warning:#d97706;--warning-light:#fffbeb;--danger:#dc2626;--danger-light:#fef2f2;--border-color:#e2e8f0;--radius-lg:16px;--radius-md:12px;--radius-sm:10px;--shadow-sm:0 1px 3px #0f172a0f;--shadow-md:0 8px 24px -4px #0f172a14;--shadow-lg:0 20px 35px -8px #0f172a29}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;width:100%;max-width:100vw;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica Neue,Arial,sans-serif;line-height:1.45;overflow-x:hidden}button,input,select,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;background:0 0;border:none;transition:all .16s}button:active{transform:scale(.97)}.app-shell{width:100%;max-width:100vw;min-height:100vh;display:flex;overflow-x:hidden}.sidebar{background:var(--bg-sidebar);color:#f8fafc;z-index:40;flex-direction:column;flex-shrink:0;justify-content:space-between;width:268px;height:100vh;padding:20px 16px;display:flex;position:sticky;top:0}.main-area{flex-direction:column;flex:1;width:100%;min-width:0;max-width:100%;display:flex;overflow-x:hidden}.topbar{background:var(--bg-card);border-bottom:1px solid var(--border-color);z-index:30;justify-content:space-between;align-items:center;gap:12px;min-height:66px;padding:10px 24px;display:flex;position:sticky;top:0}.pos-workspace{grid-template-columns:minmax(0,1fr) 390px;gap:20px;height:calc(100vh - 66px);padding:20px 24px;display:grid;overflow:hidden}.pos-catalog-pane{flex-direction:column;gap:16px;min-width:0;padding-right:6px;display:flex;overflow-y:auto}.pos-catalog-pane>*{flex-shrink:0}.category-filter-bar{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:10px;padding:2px 0 6px;display:flex}.category-pill-btn{white-space:nowrap;color:#475569;background:#fff;border:1px solid #e2e8f0;border-radius:999px;flex-shrink:0;padding:9px 18px;font-size:13.5px;font-weight:700;line-height:1.2;box-shadow:0 1px 2px #0f172a0a}.category-pill-btn:hover{color:#059669;border-color:#059669}.category-pill-btn.active{color:#fff;background:#059669;border-color:#059669;box-shadow:0 4px 12px #05966940}.pos-cart-pane{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);height:100%;box-shadow:var(--shadow-md);flex-direction:column;display:flex;overflow:hidden}.product-grid{grid-template-columns:repeat(auto-fill,minmax(185px,1fr));gap:14px;display:grid}.product-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:left;box-shadow:var(--shadow-sm);flex-direction:column;justify-content:space-between;gap:10px;padding:15px;transition:all .18s;display:flex;position:relative}.product-card:hover:not(:disabled){border-color:var(--brand-primary);transform:translateY(-2px);box-shadow:0 8px 20px -4px #05966926}.product-card:disabled{opacity:.55;cursor:not-allowed}.page-container{width:100%;max-width:1200px;margin:0 auto;padding:24px}.stock-layout-grid{grid-template-columns:1.3fr 1fr;gap:20px;display:grid}.form-two-col{grid-template-columns:1fr 1fr;gap:14px;display:grid}.desktop-table-only{display:block}.mobile-cards-only{display:none}.badge{white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-free{color:#334155;background:#f1f5f9;border:1px solid #cbd5e1}.badge-pro{color:#fff;background:linear-gradient(135deg,#7c3aed,#4f46e5)}.badge-success{background:var(--brand-light);color:var(--brand-primary)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:120;background:#0f172aa6;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-box{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:540px;max-height:90vh;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);overflow-y:auto}.input-field{border-radius:var(--radius-sm);width:100%;color:var(--text-primary);background:#fff;border:1px solid #cbd5e1;outline:none;padding:11px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}.input-field:focus{border-color:var(--brand-primary);box-shadow:0 0 0 3px #05966926}.btn-primary{background:var(--brand-primary);color:#fff;border-radius:var(--radius-sm);justify-content:center;align-items:center;gap:8px;padding:12px 18px;font-size:14px;font-weight:700;display:inline-flex}.btn-primary:hover:not(:disabled){background:var(--brand-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-pro{color:#fff;border-radius:var(--radius-sm);background:linear-gradient(135deg,#7c3aed,#4f46e5);justify-content:center;align-items:center;gap:8px;padding:12px 18px;font-size:14px;font-weight:700;display:inline-flex}.btn-outline{color:var(--text-primary);border-radius:var(--radius-sm);background:#fff;border:1px solid #cbd5e1;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:600;display:inline-flex}.btn-outline:hover{background:#f8fafc;border-color:#94a3b8}.mobile-bottom-nav,.mobile-cart-fab,.mobile-menu-trigger{display:none}@keyframes cartPop{0%{opacity:0;transform:scale(.85)translateY(12px)}70%{opacity:1;transform:scale(1.04)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@media (max-width:960px){.sidebar{display:none!important}.mobile-menu-trigger{display:inline-flex!important}.desktop-only-control{display:none!important}.topbar{min-height:60px;padding:10px 14px}.main-area{padding-bottom:86px}.pos-workspace{height:auto;padding:14px 14px 120px;display:block;overflow:visible}.pos-catalog-pane{padding-right:0;overflow:visible}.pos-cart-pane-desktop{display:none!important}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-card{padding:14px}.page-container{padding:16px 14px 100px}.stock-layout-grid{grid-template-columns:1fr;gap:18px}.desktop-table-only{display:none!important}.mobile-cards-only{flex-direction:column;gap:12px;display:flex!important}.mobile-bottom-nav{z-index:80;height:66px;padding:4px 6px env(safe-area-inset-bottom,4px);background:#090d16;border-top:1px solid #ffffff1a;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 25px #00000038}.mobile-cart-fab{color:#fff;z-index:85;background:linear-gradient(135deg,#059669 0%,#047857 100%);border-radius:999px;align-items:center;gap:10px;max-width:calc(100vw - 32px);padding:10px 16px 10px 12px;animation:.28s cubic-bezier(.16,1,.3,1) cartPop;display:inline-flex;position:fixed;bottom:80px;right:16px;box-shadow:0 12px 28px -4px #0596698c,0 0 0 2px #ffffffe6}}@media (max-width:560px){.form-two-col{grid-template-columns:1fr;gap:12px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.modal-backdrop{align-items:flex-end;padding:0}.modal-box{border-radius:22px 22px 0 0;max-width:100%;max-height:90vh}}@media print{body *{visibility:hidden}#thermal-receipt-area,#thermal-receipt-area *{visibility:visible}#thermal-receipt-area{color:#000;width:58mm;box-shadow:none;background:#fff;border:none;padding:4mm;font-family:Courier New,Courier,monospace;font-size:11px;position:absolute;top:0;left:0}.no-print{display:none!important}}