/* ========================================
   MENU STYLING - THEO THIẾT KẾ MỚI
   ======================================== */

/* ========================================
   NAVBAR CONTAINER - NỀN XANH DƯƠNG
   ======================================== */
.navbar.nav_color {
    background-color: #0066cc !important; /* Nền xanh dương */
    padding: 0.5rem 0 !important;
    box-shadow: none !important;
}

.navbar.nav_color .container {
    display: flex;
    align-items: center;
    justify-content: space-between !important; /* Logo trái, menu giữa */
    flex-wrap: nowrap;
    max-width: 100%;
    padding: 0 1rem 0 0.5rem !important;
    position: relative;
}

/* ========================================
   LOGO/BRAND - NÚT ĐỎ HNData
   ======================================== */
.navbar-brand {
    background-color: transparent !important; /* Không nền, chỉ logo */
    color: #fff !important;
    padding: 0.4rem 0.5rem !important;
    border-radius: 4px !important;
    text-decoration: none !important;
    font-weight: bold !important;
    font-size: 1rem !important;
    white-space: nowrap !important;
    display: inline-block !important;
    margin-right: 2rem !important; /* Giảm khoảng cách */
    transition: opacity 0.3s ease !important;
    line-height: 1 !important;
}

.navbar-brand:hover {
    opacity: 0.8 !important;
}


.navbar-brand img {
    display: inline-block !important; /* Hiển thị logo */
    height: 24px !important;
    width: auto !important;
    vertical-align: middle !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* ========================================
   TEXT 2 DÒNG - "HƯỚNG NGHIỆP DỮ LIỆU" / "GIA CÔNG PHẦN MỀM"
   ======================================== */
.navbar-brand-text {
    display: flex;
    flex-direction: column;
    color: #fff;
    font-size: 0.85rem;
    line-height: 1.2;
    margin-right: 1.5rem;
    white-space: nowrap;
}

.navbar-brand-text .line1 {
    font-weight: 500;
}

.navbar-brand-text .line2 {
    font-weight: 400;
    font-size: 0.8rem;
}

/* ========================================
   MENU ITEMS - TEXT TRẮNG - CĂN GIỮA
   ======================================== */
.navbar-nav {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important; /* Căn giữa */
    gap: 0 !important;
    flex-wrap: nowrap !important;
    margin: 0 !important;
    padding: 0 !important;
    width: auto !important;
}

/* Navbar collapse - căn giữa */
.navbar-collapse {
    display: flex !important;
    justify-content: center !important;
    width: auto !important;
}

.navbar-collapse .navbar-nav {
    margin: 0 !important;
}

.navbar-nav .nav-item {
    margin: 0 0.25rem !important; /* Giảm khoảng cách giữa các menu items */
    padding: 0 !important;
}

.navbar-nav .nav-item:first-child {
    margin-left: 0 !important;
}


.navbar-nav .nav-link {
    color: #fff !important;
    padding: 0.5rem 0.75rem !important;
    text-decoration: none !important;
    font-size: 0.85rem !important;
    font-weight: 400 !important;
    white-space: nowrap !important;
    transition: color 0.3s ease !important;
    background: transparent !important;
    border: none !important;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
    text-decoration: underline !important;
    background: transparent !important;
}

/* ========================================
   MENU BUTTON - NÚT CAM "DỰ ÁN THỰC TẾ" (ACTIVE)
   ======================================== */
.navbar-nav .nav-item.active .nav-link,
.navbar-nav .nav-link.active,
.navbar-nav .nav-item.current-menu-item .nav-link {
    background-color: #ff8c00 !important; /* Cam */
    color: #fff !important;
    border-radius: 4px !important;
    padding: 0.4rem 0.75rem !important;
    font-weight: 500 !important;
    font-size: 0.85rem !important;
}

.navbar-nav .nav-item.active .nav-link:hover,
.navbar-nav .nav-link.active:hover {
    background-color: #e67e00 !important;
    color: #fff !important;
}

/* ========================================
   MENU BUTTON - NÚT XANH NHẠT "BÀI VIẾT" VỚI DROPDOWN
   ======================================== */
/* Override: KHÓA ĐÀO TẠO và GIẢNG VIÊN - text trắng, không nền */
.navbar-nav .nav-item.dropdown .nav-link {
    background-color: transparent !important; /* Không nền */
    color: #fff !important; /* Text trắng */
    border-radius: 4px !important;
    padding: 0.5rem 0.75rem !important;
    font-weight: 400 !important;
    font-size: 0.85rem !important;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav .nav-item.dropdown .nav-link:hover {
    background-color: transparent !important;
    color: #fff !important;
    text-decoration: underline !important;
}

/* Dropdown icon - mũi tên xuống màu đỏ */
.navbar-nav .nav-item.dropdown .nav-link::after {
    content: '▼';
    font-size: 0.7rem;
    color: #dc3545 !important; /* Đỏ */
    margin-left: 0.25rem;
    border: none !important;
    display: inline-block;
}

/* Đảm bảo tất cả menu items có text trắng */
.navbar-nav .nav-link,
.navbar-nav .nav-item .nav-link {
    color: #fff !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-item .nav-link:hover {
    color: #fff !important;
    text-decoration: underline !important;
}

/* Dropdown menu */
.navbar-nav .dropdown-menu {
    background-color: #fff !important;
    border: 1px solid #ddd !important;
    border-radius: 4px !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1) !important;
    padding: 0.5rem 0 !important;
    margin-top: 0.5rem !important;
    min-width: 200px !important;
}

.navbar-nav .dropdown-menu .dropdown-item {
    color: #333 !important;
    padding: 0.5rem 1rem !important;
    text-decoration: none !important;
    display: block !important;
    transition: background-color 0.3s ease !important;
}

.navbar-nav .dropdown-menu .dropdown-item:hover {
    background-color: #f8f9fa !important;
    color: #333 !important;
}

/* ========================================
   SEARCH - ICON KÍNH LÚP + TEXT "Tìm kiếm"
   ======================================== */
.navbar-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    margin-left: 1rem;
    cursor: pointer;
    text-decoration: none;
}

.navbar-search-icon {
    font-size: 1.2rem;
    color: #fff;
}

.navbar-search-text {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    line-height: 1.2;
}

.navbar-search-text .line1 {
    font-weight: 400;
}

.navbar-search-text .line2 {
    font-weight: 400;
}

.navbar-search:hover {
    color: #fff;
    text-decoration: none;
}

/* ========================================
   RESPONSIVE - MOBILE MENU (ĐẸP HƠN)
   ======================================== */
@media (max-width: 991px) {
    /* Container mobile */
    .navbar.nav_color .container {
        padding: 0.75rem 1rem !important;
        flex-wrap: wrap;
    }
    
    /* Logo trên mobile - đẹp hơn */
    .navbar.nav_color .container > .navbar-brand {
        position: relative !important;
        left: auto !important;
        margin-right: auto !important;
        margin-bottom: 0;
        padding: 0.4rem 0.5rem !important;
    }
    
    .navbar.nav_color .container > .navbar-brand img {
        height: 20px !important;
    }
    
    /* Navbar collapse - full width dropdown đẹp - ẨN MẶC ĐỊNH */
    .navbar-collapse {
        width: 100% !important;
        margin-top: 0.75rem;
        background-color: transparent !important;
        border-radius: 0 !important;
        padding: 0 !important;
        border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
        padding-top: 0.75rem !important;
        display: none !important; /* Ẩn mặc định */
    }
    
    /* Hiện menu khi có class show */
    .navbar-collapse.show {
        display: flex !important;
        flex-direction: column !important;
        animation: slideDown 0.3s ease;
    }
    
    /* Menu items - vertical stack đẹp */
    .navbar-nav {
        flex-direction: column !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        gap: 0.25rem !important;
    }
    
    .navbar-nav .nav-item {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border-bottom: none !important;
    }
    
    .navbar-nav .nav-link {
        width: 100% !important;
        text-align: left !important;
        padding: 0.85rem 1rem !important;
        display: block !important;
        color: #fff !important;
        font-size: 0.95rem !important;
        border-radius: 4px !important;
        transition: all 0.3s ease !important;
        margin-bottom: 0.25rem !important;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.15) !important;
        text-decoration: none !important;
        transform: translateX(5px);
    }
    
    /* Active item trên mobile - đẹp hơn */
    .navbar-nav .nav-item.active .nav-link,
    .navbar-nav .nav-link.active,
    .navbar-nav .nav-item.current-menu-item .nav-link {
        background-color: #ff8c00 !important; /* Cam đậm */
        color: #fff !important;
        border-left: none !important;
        font-weight: 500 !important;
        box-shadow: 0 2px 4px rgba(255, 140, 0, 0.3) !important;
    }
    
    /* Dropdown trên mobile - đẹp hơn */
    .navbar-nav .nav-item.dropdown .nav-link {
        background-color: transparent !important;
        position: relative;
    }
    
    .navbar-nav .nav-item.dropdown .nav-link::after {
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.6rem !important;
    }
    
    .navbar-nav .dropdown-menu {
        position: static !important;
        float: none !important;
        width: 100% !important;
        margin: 0.5rem 0 0 0 !important;
        border: none !important;
        box-shadow: none !important;
        background-color: rgba(0, 0, 0, 0.15) !important;
        padding: 0.5rem 0 !important;
        border-radius: 4px !important;
    }
    
    .navbar-nav .dropdown-menu .dropdown-item {
        padding: 0.7rem 1.5rem !important;
        color: #fff !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
        font-size: 0.9rem !important;
        transition: all 0.2s ease !important;
    }
    
    .navbar-nav .dropdown-menu .dropdown-item:last-child {
        border-bottom: none !important;
    }
    
    .navbar-nav .dropdown-menu .dropdown-item:hover {
        background-color: rgba(255, 255, 255, 0.1) !important;
        color: #fff !important;
        padding-left: 2rem !important;
    }
    
    /* Toggler button - đẹp hơn */
    .navbar-toggler {
        position: absolute;
        right: 0.75rem;
        top: 50%;
        transform: translateY(-50%);
        border: 1px solid rgba(255, 255, 255, 0.4) !important;
        padding: 0.4rem 0.6rem !important;
        border-radius: 4px !important;
        background-color: rgba(255, 255, 255, 0.1) !important;
    }
    
    .navbar-toggler:hover,
    .navbar-toggler:focus {
        background-color: rgba(255, 255, 255, 0.2) !important;
        border-color: rgba(255, 255, 255, 0.6) !important;
    }
    
    /* Ẩn brand text và search trên mobile */
    .navbar-brand-text {
        display: none;
    }
    
    .navbar-search {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
        padding: 0 1rem;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ========================================
   OVERRIDE BOOTSTRAP DEFAULT STYLES
   ======================================== */
.navbar-toggler {
    border: 1px solid rgba(255,255,255,0.3) !important;
    padding: 0.25rem 0.5rem !important;
}

.navbar-toggler-icon {
    background-image: url(\"data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e\") !important;
}

/* ========================================
   UTILITIES
   ======================================== */
.navbar-menu-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    justify-content: center;
}

.navbar-menu-wrapper .navbar-nav {
    justify-content: center;
}

/* Logo và menu - logo trái, menu giữa màn hình */
.navbar.nav_color .container > .navbar-brand {
    position: relative !important;
    left: auto !important;
    margin-right: 0 !important;
    flex-shrink: 0;
    z-index: 1;
}

.navbar.nav_color .container > .navbar-collapse {
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important; /* Căn giữa menu trên màn hình */
    display: flex;
    justify-content: center !important;
    width: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    z-index: 0;
}

/* Trên màn hình lớn, logo gần menu hơn */
@media (min-width: 1200px) {
    .navbar.nav_color .container > .navbar-collapse {
        left: auto !important;
        transform: none !important;
        position: relative !important;
        margin-left: 2rem !important; /* Logo gần menu */
        flex: 1;
        justify-content: center !important;
    }
}

/* Khi zoom nhỏ, menu vẫn giữa nhưng logo gần hơn */
@media (max-width: 1400px) and (min-width: 992px) {
    .navbar.nav_color .container > .navbar-collapse {
        left: auto !important;
        transform: none !important;
        position: relative !important;
        margin-left: 1.5rem !important;
        flex: 1;
        justify-content: center !important;
    }
}