body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#1a1f36;background:#f6f8fa;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}#root{min-height:100vh}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f6f8fa;--color-surface:#fff;--color-border:#e1e4e8;--color-text:#1a1f36;--color-muted:#6b7280;--color-accent:#635bff;--color-accent-h:#4f46e5;--color-receipt:#fafaf7;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--radius-lg:16px;--radius-md:10px;--shadow-card:0 2px 8px #0000000f, 0 0 0 1px #0000000a;--shadow-hover:0 8px 24px #0000001a, 0 0 0 1px #0000000a}body{background:var(--color-bg);color:var(--color-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;line-height:1.5}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:20px 0}.header-inner{max-width:1200px;margin:0 auto;padding:0 32px}.logo{align-items:center;gap:10px;margin-bottom:6px;display:flex}.logo-text{letter-spacing:-.4px;color:var(--color-text);font-size:20px;font-weight:700}.logo-badge{color:var(--color-accent);letter-spacing:.3px;background:#635bff1a;border:1px solid #635bff40;border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600}.header-sub{color:var(--color-muted);font-size:14px}.app-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:40px 32px 48px}.content-grid{grid-template-columns:1fr 1fr;align-items:start;gap:24px;margin-bottom:24px;display:grid}@media (width<=768px){.content-grid{grid-template-columns:1fr}}.panel{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:box-shadow .2s;overflow:hidden}.panel:hover{box-shadow:var(--shadow-hover)}.qr-panel{flex-direction:column;align-items:center;gap:16px;padding:40px 32px 32px;display:flex}.qr-label{letter-spacing:.5px;text-transform:uppercase;color:var(--color-muted);font-size:13px;font-weight:600}.qr-code-wrap{border-radius:var(--radius-md);border:1px solid var(--color-border);background:#fff;padding:16px}.qr-meta{align-items:center;gap:8px;display:flex}.payload-size{color:var(--color-muted);font-size:12px;font-family:var(--font-mono);background:var(--color-bg);border:1px solid var(--color-border);border-radius:6px;padding:3px 8px}.qr-actions{gap:8px;width:100%;display:flex}.qr-btn{border-radius:var(--radius-md);border:1px solid var(--color-accent);background:var(--color-accent);color:#fff;cursor:pointer;flex:1;padding:9px 16px;font-size:13px;font-weight:600;transition:background .15s,transform .1s}.qr-btn:hover{background:var(--color-accent-h);border-color:var(--color-accent-h)}.qr-btn:active{transform:scale(.97)}.qr-btn-secondary{color:var(--color-accent);background:0 0}.qr-btn-secondary:hover{border-color:var(--color-accent);background:#635bff14}.panel-receipt{background:var(--color-receipt);max-height:620px;padding:0;overflow-y:auto}.receipt-paper{font-family:var(--font-mono);color:#1a1a1a;white-space:pre-wrap;padding:28px 24px 32px;font-size:12px;line-height:1.6}.receipt-header{text-align:center;margin-bottom:4px}.receipt-store-name{letter-spacing:.5px;margin-bottom:4px;font-size:15px;font-weight:700}.receipt-meta{color:#444;font-size:11px}.receipt-divider{color:#bbb;letter-spacing:-1px;margin:6px 0;font-size:10px;overflow:hidden}.receipt-info-row{justify-content:space-between;gap:8px;font-size:11.5px;display:flex}.receipt-items-header{letter-spacing:.4px;text-transform:uppercase;color:#555;grid-template-columns:1fr 36px 64px 64px;gap:4px;margin:6px 0 2px;font-size:10px;font-weight:700;display:grid}.receipt-item-row{grid-template-columns:1fr 36px 64px 64px;gap:4px;padding:1px 0;font-size:11px;display:grid}.item-name{word-break:break-word}.item-qty,.item-price,.item-total{text-align:right}.receipt-tax-row{justify-content:space-between;padding:1px 0;font-size:11.5px;display:flex}.receipt-total-row{justify-content:space-between;padding:4px 0;font-size:14px;font-weight:700;display:flex}.receipt-footer{text-align:center;color:#777;margin-top:4px;font-size:10.5px;line-height:2}.receipt-tagline{color:#555;font-weight:600}.controls-wrap{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px 32px}.controls-row{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.control-label{color:var(--color-text);flex:1;align-items:center;gap:16px;min-width:200px;font-size:14px;font-weight:600;display:flex}.count-input-wrap{flex:1;align-items:center;gap:10px;display:flex}.count-range{height:4px;accent-color:var(--color-accent);cursor:pointer;flex:1}.count-badge{text-align:center;min-width:28px;color:var(--color-accent);font-size:15px;font-weight:700}.generate-btn{border-radius:var(--radius-md);color:#fff;cursor:pointer;letter-spacing:.2px;white-space:nowrap;background:linear-gradient(135deg,#635bff 0%,#7c3aed 100%);border:none;padding:12px 32px;font-size:15px;font-weight:700;transition:opacity .15s,transform .1s,box-shadow .15s;box-shadow:0 4px 12px #635bff59}.generate-btn:hover{opacity:.92;box-shadow:0 6px 20px #635bff73}.generate-btn:active{transform:scale(.97)}.generate-btn:disabled{opacity:.5;cursor:not-allowed}.app-footer{text-align:center;color:var(--color-muted);border-top:1px solid var(--color-border);padding:20px;font-size:12px}@media (width<=600px){.app-main{padding:24px 16px 40px}.header-inner{padding:0 16px}.controls-row{flex-direction:column;align-items:stretch}.generate-btn{width:100%}.qr-panel{padding:24px 16px}.receipt-paper{padding:20px 16px 24px;font-size:11px}}