/* POS Premium Aesthetic */
        :root {
            --pos-bg: #f1f5f9;
            --pos-card: #ffffff;
            --pos-border: #e2e8f0;
            --pos-text: #0f172a;
            --pos-primary: #1e40af;
            --pos-primary-dark: #1e3a8a;
            --pos-accent: #f97316;
        }

        body {
            margin: 0; padding: 0;
            background: var(--pos-bg);
            font-family: 'Outfit', 'Inter', sans-serif;
            color: var(--pos-text);
            overflow: hidden;
        }

        .pos-layout {
            display: grid;
            grid-template-columns: 1fr 400px;
            height: 100vh;
        }

        /* ----- MAIN AREA (LEFT) ----- */
        .pos-main {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .pos-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--pos-card);
            padding: 15px 25px;
            border-radius: var(--radius-2xl);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--pos-border);
        }

        .search-wrapper {
            position: relative;
            flex: 0 1 400px;
        }

        .search-wrapper input {
            width: 100%;
            padding: 12px 20px 12px 45px;
            border-radius: 30px;
            border: 2px solid var(--pos-border);
            font-weight: 500;
            font-size: 1rem;
            outline: none;
            transition: all 0.2s;
        }

        .search-wrapper input:focus {
            border-color: var(--pos-primary);
            box-shadow: 0 0 0 4px rgba(30,64,175,0.10);
        }


        .search-wrapper i {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: #64748b;
        }

        /* --- Autocomplete Premium Dropdown --- */
        .autocomplete-wrapper { position: relative; width: 100%; }
        .autocomplete-dropdown {
            display: none;
            position: absolute;
            top: calc(100% + 10px);
            left: 0; right: 0;
            background: #ffffff;
            border: 1.5px solid #dbeafe;
            border-radius: 18px;
            box-shadow: 0 12px 35px rgba(0,0,0,0.15);
            z-index: 9999;
            max-height: 350px;
            overflow-y: auto;
        }
        .autocomplete-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            cursor: pointer;
            border-bottom: 1px solid #f1f5f9;
            transition: all 0.2s ease;
        }
        .autocomplete-item:hover { background: #f0f7ff; transform: scale(1.01); }
        .autocomplete-item:last-child { border-bottom: none; }
        .autocomplete-info { flex: 1; min-width: 0; }
        .autocomplete-name {
            font-weight: 800;
            font-size: 0.9rem;
            color: #1e293b;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }
        .autocomplete-subinfo {
            font-size: 0.72rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .autocomplete-price {
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--pos-primary);
            margin-left: 15px;
        }


        .category-chips {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 5px 0;
            scrollbar-width: none;
        }

        .chip {
            padding: 10px 20px;
            background: var(--pos-card);
            border: 1px solid var(--pos-border);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #475569;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        .chip:hover {
            border-color: var(--pos-accent);
            color: var(--pos-accent);
        }

        .chip.active {
            background: var(--pos-primary);
            color: white;
            border-color: var(--pos-primary);
            box-shadow: 0 4px 10px rgba(30,64,175,0.28);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 15px;
            align-items: stretch;
        }

        .product-card {
            background: var(--pos-card);
            border-radius: var(--radius-xl);
            padding: 15px;
            border: 1px solid var(--pos-border);
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            cursor: pointer;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 160px;
        }

        .product-card:hover {
            transform: translateY(-5px);
            border-color: var(--pos-primary);
            box-shadow: 0 10px 25px rgba(30,64,175,0.14);
        }

        .product-icon {
            width: 50px;
            height: 50px;
            background: #f8fafc;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--pos-accent);
            margin-bottom: 15px;
        }

        .product-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--pos-text);
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .product-price {
            font-family: 'Outfit', sans-serif;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pos-primary);
        }

        /* ----- CART PANEL (RIGHT) ----- */
        .pos-cart {
            background: var(--pos-card);
            border-left: 1px solid var(--pos-border);
            display: flex;
            flex-direction: column;
            box-shadow: -10px 0 30px rgba(0,0,0,0.02);
            z-index: 10;
        }

        .cart-header {
            padding: 20px;
            border-bottom: 1px solid var(--pos-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #f8fafc;
        }

        .cart-header h2 {
            margin: 0;
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .cart-items {
            flex: 1;
            overflow-y: auto;
            padding: 10px 0;
        }

        .cart-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            border-bottom: 1px solid #f1f5f9;
            transition: background 0.2s;
        }

        .cart-item:hover {
            background: #f8fafc;
        }

        .cart-item-details {
            flex: 1;
        }

        .cart-item-name {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

        .cart-item-price {
            color: #64748b;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .cart-qty-ctrl {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #f1f5f9;
            border-radius: 20px;
            padding: 5px;
        }

        .btn-qty {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: none;
            background: white;
            color: var(--pos-text);
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn-qty:hover { background: #e2e8f0; }

        .cart-footer {
            padding: 20px;
            background: #f8fafc;
            border-top: 1px solid var(--pos-border);
        }

        .summary-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            color: #64748b;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .summary-total {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
            padding-top: 15px;
            border-top: 2px dashed #cbd5e1;
            font-family: 'Outfit', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            color: var(--pos-text);
        }

        .btn-cobrar {
            width: 100%; padding: 20px; margin-top: 20px;
            background: linear-gradient(135deg, var(--pos-primary), var(--pos-primary-dark));
            color: white; border: none; border-radius: 15px;
            font-size: 1.4rem; font-weight: 800; cursor: pointer;
            font-family: 'Outfit', sans-serif;
            box-shadow: 0 10px 25px rgba(30,64,175,0.3);
            display: flex; justify-content: center; align-items: center;
            gap: 15px; transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
        }

        .btn-cobrar:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(30,64,175,0.38);
            filter: brightness(1.08);
        }
        
        /* Modales / overlays / extras */
        .btn-icon-circular {
            width: 40px; height: 40px; border-radius: 50%;
            border: 1px solid var(--pos-border);
            display: flex; align-items: center; justify-content: center;
            background: white; cursor: pointer; color: #475569;
            transition: all 0.2s;
        }
        .btn-icon-circular:hover { background: var(--pos-bg); color: var(--pos-text); }

/* --- Estilos Responsivos POS --- 
@media (max-width: 900px) {
    .pos-layout { grid-template-columns: 1fr; height: auto; min-height: 100vh; overflow: auto; }
    body { overflow: auto; }
    .pos-cart { border-left: none; border-top: 2px solid var(--pos-border); height: auto; position: sticky; bottom: 0; max-height: 60vh; z-index: 100; box-shadow: 0 -10px 40px rgba(0,0,0,0.1); }
    .products-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
    .product-card { min-height: 140px; padding: 10px; }
    .product-icon { width: 35px; height: 35px; font-size: 1.2rem; }
    .product-name { font-size: 0.85rem; }
    .product-price { font-size: 1.1rem; }
    .pos-header { padding: 10px 15px; flex-direction: column; gap: 10px; }
    .search-wrapper { flex: 1 1 100%; width: 100%; }
    .summary-total { font-size: 1.5rem; }
    .btn-cobrar { padding: 15px; font-size: 1.2rem; }
}