:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #f8fafc;--text-dim: #94a3b8;--accent: #34d399;--accent-text: #052e1b;--danger: #f87171;--warn: #fbbf24;--radius: 14px;--tap: 52px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none;-webkit-user-select:none;user-select:none}button{font:inherit;color:inherit;border:none;border-radius:var(--radius);background:var(--surface-2);min-height:var(--tap);padding:0 16px;cursor:pointer;touch-action:manipulation}button:active{transform:scale(.97)}button:disabled{opacity:.45}input,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--surface-2);border-radius:10px;min-height:var(--tap);padding:0 14px;width:100%;-webkit-user-select:text;user-select:text}input:focus{outline:2px solid var(--accent);border-color:transparent}.app{display:flex;flex-direction:column;height:100%;max-width:640px;margin:0 auto}.app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px 4px;padding-top:max(10px,env(safe-area-inset-top))}.app-header h1{font-size:18px;margin:0;letter-spacing:.02em}.screen{flex:1;overflow-y:auto;padding:8px 16px 16px}.tabbar{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;padding:8px 10px;padding-bottom:max(8px,env(safe-area-inset-bottom));background:var(--surface)}.tabbar button{background:transparent;color:var(--text-dim);font-size:13px;font-weight:600;padding:0 4px}.tabbar button.active{background:var(--surface-2);color:var(--text)}.sell-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:10px;min-height:36px}.chips{display:flex;gap:6px;flex:1;overflow-x:auto;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.chip{min-height:36px;padding:0 14px;border-radius:999px;background:var(--surface);color:var(--text-dim);font-size:13px;font-weight:600;white-space:nowrap;flex-shrink:0}.chip.active{background:var(--accent);color:var(--accent-text)}.tools{display:flex;gap:6px}.tools button{min-height:36px;min-width:40px;padding:0 10px;font-size:15px;font-weight:700;background:var(--surface);color:var(--text-dim)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:10px}.grid.size-s{grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:8px}.grid.size-s .tile .emoji{font-size:24px}.grid.size-s .tile-photo{width:38px;height:38px}.grid.size-s .tile .name,.grid.size-s .tile .price{font-size:11px}.grid.size-l{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.grid.size-l .tile .emoji{font-size:48px}.grid.size-l .tile-photo{width:78px;height:78px}.grid.size-l .tile .name,.grid.size-l .tile .price{font-size:15px}.sell-row{width:100%;background:transparent;text-align:left;border-radius:0}.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;aspect-ratio:1;background:var(--surface);border-radius:var(--radius);padding:8px;text-align:center}.tile .emoji{font-size:34px;line-height:1}.tile .name{font-size:13px;font-weight:600;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.tile .price{font-size:13px;color:var(--accent);font-weight:700}.tile.quick{border:2px dashed var(--surface-2);background:transparent}.tile-photo{width:52px;height:52px;object-fit:cover;border-radius:10px}.row-photo{width:40px;height:40px;object-fit:cover;border-radius:8px}.bags-banner{width:100%;margin-bottom:10px;background:var(--warn);color:#3a2a00;font-weight:700;font-size:14px}.stock-badge{font-size:10px;font-weight:800;padding:2px 7px;border-radius:999px;background:var(--surface-2);color:var(--warn)}.stock-badge.out{color:var(--danger)}.toggle-row{display:flex;flex-direction:row!important;align-items:center;gap:10px;color:var(--text)!important;font-size:15px!important}.toggle-row input[type=checkbox]{width:22px;height:22px;min-height:0;accent-color:var(--accent)}.scan-frame{position:relative;border-radius:var(--radius);overflow:hidden;background:#000}.scan-video{display:block;width:100%;max-height:46dvh;object-fit:cover}.scan-reticle{position:absolute;top:22%;bottom:22%;left:8%;right:8%;overflow:hidden;pointer-events:none}.scan-corner{position:absolute;width:22px;height:22px;border:3px solid var(--accent)}.scan-corner.tl{top:0;left:0;border-right:0;border-bottom:0;border-top-left-radius:6px}.scan-corner.tr{top:0;right:0;border-left:0;border-bottom:0;border-top-right-radius:6px}.scan-corner.bl{bottom:0;left:0;border-right:0;border-top:0;border-bottom-left-radius:6px}.scan-corner.br{bottom:0;right:0;border-left:0;border-top:0;border-bottom-right-radius:6px}.scan-line{position:absolute;left:6px;right:6px;height:2px;background:linear-gradient(90deg,transparent,#f87171,#f87171,transparent);box-shadow:0 0 8px 1px #f87171cc;animation:scan-sweep 1.5s ease-in-out infinite alternate}@keyframes scan-sweep{0%{top:2px}to{top:calc(100% - 4px)}}@media (prefers-reduced-motion: reduce){.scan-line{animation:none;top:50%}}.scan-torch{position:absolute;top:10px;right:10px;min-height:46px;min-width:46px;padding:0;font-size:20px;border-radius:999px;background:#0f172ab3;color:#fff;border:1px solid rgba(255,255,255,.35)}.scan-torch.on{background:var(--accent);color:var(--accent-text);border-color:transparent}.target-edit{display:inline-flex;align-items:center;gap:10px}.target-edit button{min-height:36px;min-width:36px;padding:0;font-size:18px;font-weight:700}.target-edit b{min-width:24px;text-align:center}.cartbar{position:sticky;bottom:0;display:flex;gap:10px;padding:10px 0 4px;background:linear-gradient(transparent,var(--bg) 30%)}.cartbar .charge{flex:1;background:var(--accent);color:var(--accent-text);font-size:18px;font-weight:800;min-height:60px}.cartbar .view-cart{min-width:60px;font-size:20px}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:flex-end;justify-content:center;z-index:20}.sheet{background:var(--surface);border-radius:20px 20px 0 0;width:100%;max-width:640px;max-height:88dvh;overflow-y:auto;padding:16px 16px max(16px,env(safe-area-inset-bottom))}.sheet h2{margin:4px 0 14px;font-size:18px}.cart-line{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--surface-2)}.cart-line .info{flex:1;min-width:0}.cart-line .info .n{font-weight:600}.cart-line .info .p{color:var(--text-dim);font-size:13px}.qty{display:flex;align-items:center;gap:4px}.qty button{min-width:var(--tap);font-size:20px;font-weight:700}.qty span{min-width:32px;text-align:center;font-weight:700}.totals{padding:14px 0;font-size:15px}.totals .row{display:flex;justify-content:space-between;padding:3px 0}.totals .grand{font-size:22px;font-weight:800}.tender-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tender-grid button{min-height:64px;font-size:17px;font-weight:700}.tender-grid .primary{background:var(--accent);color:var(--accent-text)}.cash-quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}.change-due{text-align:center;padding:24px 0}.change-due .amount{font-size:44px;font-weight:800;color:var(--accent)}.change-due .label{color:var(--text-dim)}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--text-dim)}.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn-primary{background:var(--accent);color:var(--accent-text);font-weight:700}.btn-danger{background:transparent;color:var(--danger)}.btn-ghost{background:transparent;color:var(--text-dim)}.ai-hint{background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:13px;color:var(--text-dim)}.photo-btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:72px;border:2px dashed var(--surface-2);background:transparent}.photo-preview{width:72px;height:72px;object-fit:cover;border-radius:10px}.list-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--surface)}.list-row .grow{flex:1;min-width:0}.list-row .sub{color:var(--text-dim);font-size:13px}.voided{text-decoration:line-through;opacity:.55}.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--text-dim)}.badge.ok{color:var(--accent)}.badge.warn{color:var(--warn)}.badge.err{color:var(--danger)}.empty{text-align:center;color:var(--text-dim);padding:48px 16px;line-height:1.6}.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:6px;margin-bottom:10px}.seg button{min-height:42px;background:var(--surface);color:var(--text-dim);font-size:14px;font-weight:600}.seg button.active{background:var(--surface-2);color:var(--text)}.report h3{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-dim);margin:14px 0 2px}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.keypad button{min-height:60px;font-size:22px;font-weight:700}.keypad-display{text-align:center;font-size:36px;font-weight:800;padding:12px 0 16px}