/* Wrapper cho menu phụ */
.product-sub-menu-wrapper {
    width: 100%;
    background: #fff;
    position: relative;
    z-index: 999;

}

/* Menu phụ chính */
.product-sub-menu {
    background: #ffffff;
    border-bottom: 1px solid #e1e1e1;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

/* Khi menu sticky */
.product-sub-menu.is-sticky {
    position: fixed;
    top: 70px; /* Chiều cao menu chính */
    left: 0;
    right: 0;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideDown 0.3s ease;
}

/* Khi có header sticky của Flatsome */
.header-wrapper.stuck ~ .content-area .product-sub-menu.is-sticky,
.header.has-sticky.sticky-jump ~ .content-area .product-sub-menu.is-sticky {
    top: 70px;
}

/* Nếu header có class 'has-transparent' và 'stuck' */
body:not(.header-transparent) .product-sub-menu.is-sticky {
    top: 70px;
}

/* Header trong admin mode */
.admin-bar .product-sub-menu.is-sticky {
    top: 102px; /* 32px (admin bar) + 70px (header) */
}

.admin-bar .header-wrapper.stuck ~ .content-area .product-sub-menu.is-sticky,
.admin-bar .header.has-sticky.sticky-jump ~ .content-area .product-sub-menu.is-sticky {
    top: 102px;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Container menu */
.product-sub-menu .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Danh sách menu items */
.sub-menu-items {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.sub-menu-items li {
    flex: 1;
    min-width: 70px;
    text-align: center;
    position: relative;
}

/* Đường phân cách giữa các items */
.sub-menu-items li:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 1px;
    background-color: #e1e1e1;
}

/* Link menu */
.sub-menu-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 3px solid transparent;

}

.sub-menu-link:hover {
    background: #f8f8f8;
    color: #eb0a1e;
    border-bottom-color: #eb0a1e;
}

.sub-menu-link.active {
    color: #eb0a1e;
    border-bottom-color: #eb0a1e;
    font-weight: 600;
}

/* Icon menu */
.menu-icon {
    font-size: 24px;
    margin-bottom: 5px;
    display: block;
    transition: transform 0.3s ease;
}

.sub-menu-link:hover .menu-icon {
    transform: scale(1.1);
}

/* Text menu */
.menu-text {
    font-size: 13px;
    font-weight: 500;
    display: block;
    line-height: 1.4;
}

/* Spacer khi menu sticky */
.menu-spacer {
    height: 70px;
    display: none;
}

.product-sub-menu.is-sticky ~ .menu-spacer {
    display: block;
}

/* Section padding */
.page-section {
    padding: 60px 0;
    scroll-margin-top: 150px;
}

/* Thêm khoảng cách cho section đầu tiên sau menu */
.product-sub-menu-wrapper + * {
    margin-top: 30px;
}

.product-sub-menu-wrapper + .page-section,
.product-sub-menu-wrapper + section,
.product-sub-menu-wrapper + div {
    margin-top: 0px;
}

/* Ẩn icon khi menu sticky và scroll xuống */
.product-sub-menu.is-sticky.scrolling-down .menu-icon {
    display: none;
}

.product-sub-menu.is-sticky.scrolling-down .sub-menu-link {
    padding: 8px 10px;
}

.product-sub-menu.is-sticky.scrolling-down .menu-text {
    font-size: 12px;
}

/* Responsive Tablet */
@media (max-width: 991px) {
    .sub-menu-items li {
        flex: 1 1 25%;
        min-width: 60px;
    }
    
    .menu-text {
        font-size: 11px;
    }
    
    .menu-icon {
        font-size: 20px;
    }
    
    .sub-menu-link {
        padding: 12px 5px;
    }
    
    .page-section {
        scroll-margin-top: 130px;
    }
    
    .admin-bar .product-sub-menu.is-sticky {
        top: 116px; /* 46px + 70px */
    }
    
    .admin-bar .header-wrapper.stuck ~ .content-area .product-sub-menu.is-sticky {
        top: 116px;
    }
}

/* ẨN HOÀN TOÀN TRÊN MOBILE */
@media (max-width: 767px) {
    .product-sub-menu-wrapper {
        display: none !important;
    }
    
    .menu-spacer {
        display: none !important;
    }
}

/* Mobile nhỏ - Đảm bảo ẩn */
@media (max-width: 480px) {
    .product-sub-menu-wrapper {
        display: none !important;
    }
}

/* Print styles */
@media print {
    .product-sub-menu-wrapper {
        display: none;
    }
}