:root{--font-family:"Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;--bg-color:#f8fafc;--card-bg:#fff;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-color:#e2e8f0;--color-primary:#0284c7;--color-primary-hover:#0369a1;--color-accent:#10b981;--color-accent-hover:#059669;--color-danger:#ef4444;--safe-bottom:env(safe-area-inset-bottom,16px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;padding-bottom:calc(80px + var(--safe-bottom));line-height:1.5}.qr-header{z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);background:#fffffff0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.store-info h1{color:var(--text-primary);letter-spacing:-.02em;font-size:18px;font-weight:800}.table-badge{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9999px;align-items:center;gap:4px;margin-top:2px;padding:2px 8px;font-size:12px;font-weight:700;display:inline-flex}.category-nav{z-index:40;background:var(--card-bg);border-bottom:1px solid var(--border-color);scrollbar-width:none;gap:8px;padding:10px 16px;display:flex;position:sticky;top:61px;overflow-x:auto}.category-nav::-webkit-scrollbar{display:none}.category-pill{color:var(--text-secondary);cursor:pointer;background:#f1f5f9;border:1px solid #0000;border-radius:20px;flex-shrink:0;padding:6px 14px;font-size:13px;font-weight:600;transition:all .2s}.category-pill.active{background:var(--color-primary);color:#fff}.menu-container{padding:12px 16px}.category-section-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;margin:16px 0 8px;font-size:15px;font-weight:800}.product-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:14px;gap:12px;margin-bottom:12px;padding:12px;transition:transform .15s,box-shadow .15s;display:flex;box-shadow:0 1px 3px #00000008}.product-card:active{transform:scale(.99)}.product-photo{object-fit:cover;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:10px;flex-shrink:0;width:90px;height:90px}.product-photo-placeholder{background:#f8fafc;border:1px dashed #cbd5e1;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:90px;height:90px;font-size:32px;display:flex}.product-details{flex-direction:column;flex:1;justify-content:space-between;min-width:0;display:flex}.product-code{color:var(--color-primary);font-family:monospace;font-size:11px;font-weight:700}.product-name-primary{color:var(--text-primary);font-size:15px;font-weight:700;line-height:1.3}.product-name-secondary{color:var(--text-secondary);margin-top:1px;font-size:12px}.product-desc{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:3px;font-size:11px;display:-webkit-box;overflow:hidden}.product-bottom-row{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.product-price{color:var(--color-primary);font-family:monospace;font-size:16px;font-weight:800}.add-btn{background:var(--color-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:4px;padding:6px 14px;font-size:13px;font-weight:700;display:flex;box-shadow:0 2px 4px #0284c740}.add-btn:active{background:var(--color-primary-hover)}.cart-floating-bar{bottom:calc(12px + var(--safe-bottom));z-index:90;color:#fff;cursor:pointer;background:#0f172a;border-radius:16px;justify-content:space-between;align-items:center;padding:12px 18px;display:flex;position:fixed;left:16px;right:16px;box-shadow:0 10px 25px -5px #0f172a80}.cart-bar-left{align-items:center;gap:12px;display:flex}.cart-badge{font-size:24px;position:relative}.cart-count{background:var(--color-accent);color:#fff;border-radius:10px;padding:2px 6px;font-size:11px;font-weight:800;position:absolute;top:-4px;right:-8px}.cart-total-wrap{flex-direction:column;display:flex}.cart-total-label{color:#94a3b8;font-size:11px;font-weight:500}.cart-total-amount{font-family:monospace;font-size:17px;font-weight:800}.cart-checkout-btn{background:var(--color-accent);color:#fff;border:none;border-radius:10px;padding:8px 18px;font-size:14px;font-weight:700}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a99;flex-direction:column;justify-content:flex-end;display:flex;position:fixed;inset:0}.bottom-sheet{background:#fff;border-radius:20px 20px 0 0;flex-direction:column;max-height:80vh;padding:20px;animation:.25s ease-out slideUp;display:flex}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.sheet-body{flex:1;padding:16px 0;overflow-y:auto}.cart-item-row{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding:10px 0;display:flex}.qty-control{background:#f1f5f9;border-radius:8px;align-items:center;gap:10px;padding:4px 8px;display:flex}.qty-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:16px;font-weight:800}.mod-group-title{color:var(--text-secondary);margin-top:12px;margin-bottom:6px;font-size:13px;font-weight:700}.mod-option-chip{border:1px solid var(--border-color);cursor:pointer;border-radius:8px;align-items:center;margin:4px;padding:6px 12px;font-size:13px;display:inline-flex}.mod-option-chip.selected{color:#0369a1;background:#e0f2fe;border-color:#38bdf8;font-weight:700}.center-spinner{flex-direction:column;justify-content:center;align-items:center;height:80vh;display:flex}.spinner{border:4px solid #e2e8f0;border-top-color:var(--color-primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast{z-index:200;color:#fff;background:#0f172a;border-radius:30px;padding:10px 20px;font-size:13px;font-weight:600;display:none;position:fixed;top:20px;left:50%;transform:translate(-50%);box-shadow:0 6px 20px #00000040}