/* Toàn bộ thanh menu */
#menu, .RootMenu, .nav {
    background: #0066cc !important; /* nền xanh dương */
    width: 100% !important;
    text-align: center;
    border-bottom: none !important;
}

/* Mặc định: nền xanh, chữ trắng */
#menu a,
.RootMenu > li > a,
.nav > li > a {
    background: #0066cc !important;
    color: #ffffff !important;
    font-family: "Poppins", "Comic Sans MS", Arial, sans-serif;
    font-size: 16px;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none !important;
    display: inline-block;
    transition: all 0.3s ease;
}

/* Hover: nền xanh nhạt hơn */
#menu a:hover,
.RootMenu > li > a:hover,
.nav > li > a:hover {
    background: #3399ff !important;
    color: #ffffff !important;
}

/* Active / Trang đang chọn */
#menu .RootMenu_Sel a,
#menu .RootMenu > li.selected > a,
#menu .nav > li.active > a,
#menu .nav > li > a.active {
    background: #ffffff !important;
    color: #0066cc !important;
    font-weight: bold !important;
    border-radius: 6px;
}