:root{color-scheme:dark;--bg: #0f172a;--panel: #1e293b;--panel2: #273549;--text: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--accent2: #22c55e;--danger: #ef4444;--border: #334155}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px}button{font:inherit;color:inherit}input,select{font:inherit}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar h1{font-size:18px;margin:0;flex:1}.topbar .shop{color:var(--muted);font-size:13px}.main{flex:1;display:flex;min-height:0}.login-wrap{display:grid;place-items:center;height:100%;padding:20px}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:28px;width:100%;max-width:380px;display:flex;flex-direction:column;gap:12px}.login-card h1{margin:0 0 8px;font-size:22px}.login-card label{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px}.login-card input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 14px;color:var(--text);font-size:16px}.login-card button,.btn{background:var(--accent);color:#082f49;border:0;border-radius:8px;padding:13px 18px;font-weight:600;cursor:pointer}.login-card button:disabled,.btn:disabled{opacity:.5;cursor:default}.error{color:var(--danger);font-size:13px;min-height:18px}.grid-pane{flex:1;display:flex;flex-direction:column;min-width:0}.search-row{display:flex;gap:8px;align-items:stretch;margin:12px 16px 0}.search{flex:1;min-width:0;padding:13px 16px;font-size:17px;background:var(--panel);border:1px solid var(--border);border-radius:10px;color:var(--text)}.scan-btn{width:52px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--accent);font-size:22px;cursor:pointer;flex-shrink:0}.scan-btn:active{border-color:var(--accent)}.scan-video{width:100%;border-radius:10px;background:#000;min-height:220px;object-fit:cover}.products{flex:1;overflow-y:auto;padding:0 16px 16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;align-content:start}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px;min-height:110px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:6px;transition:border-color .1s}.card:active{border-color:var(--accent)}.card .title{font-weight:600;font-size:15px;line-height:1.25}.card .price{color:var(--accent2);font-weight:700;font-size:16px}.card .stock{font-size:12px;color:var(--muted)}.card .stock.out{color:var(--danger)}.card .variant-count{font-size:12px;color:var(--muted)}.empty{color:var(--muted);padding:24px;grid-column:1 / -1;text-align:center}.cart-pane{width:340px;flex-shrink:0;background:var(--panel);border-left:1px solid var(--border);display:flex;flex-direction:column}.cart-pane h2{font-size:15px;margin:0;padding:14px 16px;border-bottom:1px solid var(--border)}.cart-lines{flex:1;overflow-y:auto;padding:8px 16px}.line{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border)}.line .info{flex:1;min-width:0}.line .name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.line .sub{font-size:12px;color:var(--muted)}.qty{display:flex;align-items:center;gap:6px}.qty button{width:40px;height:40px;border-radius:8px;border:1px solid var(--border);background:var(--panel2);color:var(--text);font-size:20px;cursor:pointer}.qty .n{min-width:24px;text-align:center;font-weight:700}.cart-total{padding:14px 16px 6px;border-top:1px solid var(--border);font-size:18px;font-weight:800;display:flex;justify-content:space-between}.checkout-fields{padding:4px 16px 10px;display:flex;flex-direction:column;gap:8px}.checkout-fields .field{margin-bottom:0}.bill-btns{display:flex;flex-wrap:wrap;gap:6px}.bill-btns .ghost{padding:8px 10px;font-size:13px}.change-line{font-size:15px;font-weight:700;color:var(--accent2)}.change-line.short{color:var(--danger)}.cart-actions{display:flex;gap:8px;padding:0 16px 10px}.cart-actions .ghost{flex:1;padding:10px;font-size:14px}.field{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px 14px;color:var(--text);font-size:16px}.btn.danger{background:var(--danger);color:#fff}.check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);cursor:pointer}.check input{width:18px;height:18px;accent-color:var(--danger)}.charge{margin:0 16px 16px;padding:16px;font-size:18px;border-radius:10px;background:var(--accent2);color:#052e16;border:0;font-weight:800;cursor:pointer}.charge:disabled{opacity:.5}.offline-banner{margin:10px 16px 0;padding:10px 14px;border-radius:10px;background:#fbbf241f;border:1px solid rgba(251,191,36,.45);color:#fbbf24;font-size:14px;font-weight:600}.queued-badge{margin-left:8px;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#fbbf2426;color:#fbbf24;border:1px solid rgba(251,191,36,.4);vertical-align:middle}.sync-box{margin:0 16px 16px;border:1px solid var(--border);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:8px;background:var(--panel2)}.sync-head{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.sync-head .ghost,.sync-item .ghost{padding:6px 10px;font-size:12px}.sync-item{display:flex;justify-content:space-between;align-items:center;gap:8px}.sync-err{flex:1;min-width:0;font-size:12px;color:var(--danger);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sync-actions{display:flex;gap:6px;flex-shrink:0}.sync-clear-all{align-self:flex-start}.ghost{background:transparent;border:1px solid var(--border);border-radius:8px;padding:8px 14px;color:var(--muted);cursor:pointer}.modal-backdrop{position:fixed;inset:0;background:#0009;display:grid;place-items:center;z-index:10}.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;width:min(420px,92vw);max-height:80vh;overflow-y:auto}.modal h3{margin:0 0 12px}.modal .opt{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;cursor:pointer}.modal .opt:active{border-color:var(--accent)}.modal .opt .p{color:var(--accent2);font-weight:700}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.modal-wide{width:min(560px,94vw)}.order-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.order-head h3{margin:0}.order-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.receipt-lines{margin:12px 0}.totals{border-top:1px solid var(--border);padding-top:8px}.totals>div{display:flex;justify-content:space-between;padding:3px 0;font-size:14px;color:var(--muted)}.totals .grand{color:var(--text);font-size:17px;font-weight:800;border-top:1px solid var(--border);margin-top:4px;padding-top:8px}.refunds,.timeline{margin:10px 0;display:flex;flex-direction:column;gap:2px}.refund-form{border-top:1px solid var(--border);margin-top:12px;padding-top:12px;display:flex;flex-direction:column;gap:10px}.refund-row{display:flex;gap:8px}.refund-row input{flex:1;min-width:0;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:15px}.receipt-print{display:none}.receipt-screen{display:block;background:#fff;color:#000;padding:16px;border-radius:10px;font-size:13px}.receipt-screen h1{font-size:18px;margin:0 0 2px}.receipt-screen hr{border:0;border-top:1px dashed #999;margin:10px 0}.receipt-screen .r-sub{color:#555;font-size:12px}.receipt-screen .r-line{display:flex;justify-content:space-between;gap:12px;padding:2px 0}.receipt-screen .r-grand{font-weight:800;border-top:1px solid #000;margin-top:6px;padding-top:6px}@media print{body *{visibility:hidden!important}.receipt-print,.receipt-print *{visibility:visible!important}.receipt-print{display:block!important;position:fixed;inset:0;background:#fff;color:#000;padding:24px;font-family:-apple-system,Segoe UI,Roboto,sans-serif;font-size:13px}.receipt-print h1{font-size:20px;margin:0 0 4px}.receipt-print hr{border:0;border-top:1px dashed #000;margin:10px 0}.receipt-print .r-sub{color:#444;font-size:12px}.receipt-print .r-line{display:flex;justify-content:space-between;gap:12px;padding:2px 0}.receipt-print .r-grand{font-weight:800;font-size:15px;border-top:1px solid #000;margin-top:6px;padding-top:6px}}.success{padding:12px;color:var(--accent2);font-weight:700}.orders{flex:1;overflow-y:auto;padding:8px 16px}.order-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;width:100%;background:transparent;border-left:0;border-right:0;border-top:0;text-align:left;cursor:pointer}.order-row:active{background:var(--panel)}.order-row .name{font-weight:700}.badge{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--panel2);color:var(--muted)}.badge.paid{color:var(--accent2)}.badge.pending{color:#fbbf24}.tabs{display:flex;gap:6px;padding:10px 16px;border-bottom:1px solid var(--border)}.tabs button{flex:1;padding:10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer;font-weight:600}.tabs button.active{background:var(--panel2);color:var(--text);border-color:var(--accent)}.logout{background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:8px;padding:8px 12px;cursor:pointer}.queue-badge-btn{background:#fbbf2426;border:1px solid rgba(251,191,36,.4);color:#fbbf24;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}.queue-badge-btn.has-failed{background:#ef444426;border-color:#ef444480;color:#f87171}@media(max-width:800px){.cart-pane{position:fixed;right:0;top:0;bottom:0;width:min(340px,90vw);z-index:5;box-shadow:-8px 0 24px #0006}.cart-pane.hidden-mobile{display:none}}