.header {
    background-color: #a39a9a; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px; /* Thêm chút padding 2 bên */
    height: 80px; /* Cố định chiều cao cho đều */
    position: relative;
}

/* Logo */
.logo img {
    /* Chỉnh lại vị trí logo cho cân đối */
    max-height: 120px;
    width: auto;
    position: relative;
    top: 10px; /* Tinh chỉnh vị trí */
}

/* Main Menu */
.main-nav {
    display: flex;
    align-items: center;
}

.menu {
    display: flex;
    list-style: none;
    margin: 0; /* Reset padding của Bootstrap */
    padding: 0;
}

.menu > li {
    position: relative;
    margin: 0 15px;
}

.menu > li > a {
    display: block;
    padding: 10px 0;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

/* Hiệu ứng gạch chân khi hover */
.menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #eae4e4; /* Màu đỏ nổi bật */
    transition: width 0.3s ease;
}

.menu > li > a:hover {
    color: #d6cdcd;
}

.menu > li > a:hover::after {
    width: 100%;
}

/* Dropdown Menu (Menu con) */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 10px 0;
    list-style: none;
    margin: 0;
}

.menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    border-bottom: 1px solid #f1f1f1;
}

.sub-menu li a:hover {
    background-color: #fafafa;
    color: #ff6b6b;
    padding-left: 25px; /* Hiệu ứng đẩy chữ */
}

/* Header Actions (Search, Cart...) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: #fff;
    border-radius: 30px;
    padding: 5px 15px;
    border: 1px solid #ddd;
}

.search-input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    width: 120px;
}

.search-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
}

.header-icons {
    display: flex;
    gap: 15px;
}

.icon-item {
    font-size: 20px;
    color: #333;
    position: relative;
    text-decoration: none;
    cursor: pointer;
    background: none;
    border: none;
}

.icon-item:hover {
    color: #ff6b6b;
}

.badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: #e74c3c;
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 50%;
}