/* ================================================
   نظام ليالي الشام - تنسيقات نقطة البيع POS
   ================================================ */

.pos-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 0;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

/* === Menu Section === */
.pos-menu {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-left: 1px solid var(--border);
}

.pos-categories {
    display: flex;
    gap: 8px;
    padding: 15px 20px;
    overflow-x: auto;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pos-categories::-webkit-scrollbar { height: 3px; }

.cat-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 25px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-ar);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.cat-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.cat-btn.active {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: #ffffff;
    border-color: var(--primary);
}

.cat-btn svg { width: 16px; height: 16px; }

.pos-search {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pos-products {
    flex: 1;
    overflow-y: auto;
    padding: 15px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    align-content: start;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.product-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.product-card:active {
    transform: scale(0.96);
}

.product-card .product-img {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    margin: 0 auto 8px;
    background: #f7f8fa;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--primary);
}

.product-card .product-img i {
    font-size: 28px;
    color: var(--primary);
}

.cat-btn i {
    font-size: 14px;
}

.product-card .product-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .product-price {
    font-family: var(--font-en), var(--font-ar);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
}

.product-card.unavailable {
    opacity: 0.4;
    pointer-events: none;
}

.product-card.unavailable::after {
    content: 'غير متوفر';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-20deg);
    background: var(--danger);
    color: white;
    padding: 3px 12px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
}

/* === Cart Section === */
.pos-cart {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    overflow: hidden;
    border-left: 1px solid var(--border);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.cart-header h3 {
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-header h3 .cart-count {
    background: var(--primary);
    color: #ffffff;
    font-size: 11px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en);
}

.cart-type {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: #f1f5f9;
    border-radius: var(--radius-sm);
    margin: 12px 20px;
    flex-shrink: 0;
}

.type-btn {
    flex: 1;
    padding: 7px 10px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-ar);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.type-btn.active {
    background: rgba(184, 145, 46, 0.1);
    color: var(--primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 0 20px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    animation: slideUp 0.3s ease;
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-details {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 4px;
}

.qty-btn {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.qty-btn:hover {
    background: rgba(184, 145, 46, 0.08);
    border-color: var(--primary);
    color: var(--primary);
}

.cart-item-qty span {
    font-family: var(--font-en);
    font-weight: 600;
    min-width: 24px;
    text-align: center;
    font-size: 14px;
}

.cart-item-price {
    font-family: var(--font-en), var(--font-ar);
    font-weight: 700;
    color: var(--primary);
    font-size: 14px;
    min-width: 60px;
    text-align: left;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.cart-item-remove:hover { color: var(--danger); }

.cart-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    padding: 30px;
}

.cart-empty svg { width: 50px; height: 50px; margin-bottom: 10px; opacity: 0.5; }

/* === Cart Footer === */
.cart-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
    background: #f7f8fa;
    flex-shrink: 0;
}

.cart-summary {
    margin-bottom: 12px;
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.cart-summary-row.total {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    padding-top: 10px;
    margin-top: 8px;
    border-top: 2px solid var(--border);
    font-family: var(--font-en), var(--font-ar);
}

.cart-summary-row .value {
    font-family: var(--font-en), var(--font-ar);
    font-weight: 600;
}

.cart-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.cart-actions .btn-pay {
    grid-column: span 2;
    padding: 14px;
    font-size: 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: #ffffff;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-ar);
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cart-actions .btn-pay:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(184, 145, 46, 0.3);
}

.cart-actions .btn-pay:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* === Payment Modal === */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.payment-method {
    padding: 15px 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-family: var(--font-ar);
}

.payment-method:hover { border-color: var(--border-hover); }

.payment-method.active {
    border-color: var(--primary);
    background: rgba(184, 145, 46, 0.06);
    color: var(--primary);
}

.payment-method svg { 
    width: 24px; 
    height: 24px; 
    display: block; 
    margin: 0 auto 6px; 
}

.payment-method span { font-size: 12px; font-weight: 600; }

.change-display {
    text-align: center;
    padding: 15px;
    background: var(--success-bg);
    border: 1px solid rgba(39, 174, 96, 0.2);
    border-radius: var(--radius);
    margin-top: 15px;
}

.change-display .label { color: var(--success); font-size: 13px; }
.change-display .amount {
    font-size: 28px;
    font-weight: 800;
    color: var(--success);
    font-family: var(--font-en), var(--font-ar);
}

/* === POS Responsive === */
@media (max-width: 992px) {
    .pos-layout {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }
    
    .pos-cart {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: auto;
        max-height: 60vh;
        z-index: 80;
        transform: translateY(calc(100% - 60px));
        transition: var(--transition);
        border-top: 2px solid var(--primary);
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    
    .pos-cart.expanded {
        transform: translateY(0);
    }
    
    .cart-header {
        cursor: pointer;
    }
    
    .pos-products {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .pos-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 10px;
    }
    
    .product-card { padding: 8px; }
    .product-card .product-img { width: 50px; height: 50px; }
}