header {
    font-family: "Be Vietnam Pro", sans-serif;
    font-size: medium;
    background-color: #212529;
}

.header-logo img {
    width: auto;
}

.navbar-toggler {
    border: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

#btn-login {
    border-radius: 0px;
    border: none;
    color: #fff;
    background-color: #0080ff;
    padding: 8px 24px;
}

.search-container {
    position: relative;
}

.search-input {
    height: 50px;
    border-radius: 30px;
    padding-left: 35px;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.search-box {
    max-width: 500px;
}

.search-box input {
    width: 100%;
    border-radius: 0px;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.search-box button {
    border-radius: 0px;
}

.btn.btn-outline-light:hover {
    background-color: #444444;
    color: #fff;
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: #888;
}

.nav-login {
    display: none;
}

.navbar-toggler {
    display: none;
}

.dropdown-mega .dropdown-menu {
    /* mobile/tablet mặc định: theo Bootstrap (không full width) */
    border-radius: 10px;
}

.dropdown-mega .dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(100px, 1fr));
    gap: 0.5rem 1rem;
    padding: 0 10%;
}

.dropdown-mega .dd-col .dropdown-header {
    color: #9ec5fe;
    /* nhẹ nhàng trên nền .dropdown-menu-dark */
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

/* Mobile Supper small*/
@media (max-width: 372px) {
    .search-box {
        max-width: 225px;
    }

    .offcanvas-custom {
        --bs-offcanvas-width: 320px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .navbar-brand {
        margin-right: 0;
    }

    #btn-login {
        display: none;
    }

    .nav-login {
        display: block;
    }

    .navbar-toggler {
        display: inline;
    }

    .sub-menu {
        display: none;
    }

    .offcanvas-custom {
        --bs-offcanvas-width: 320px;
    }

    .dropdown-mega .dropdown-grid {
        padding: 0 10px;
    }
}

/* Tablet */
/* @media (min-width: 768px) and (max-width: 1023px) {
    .navbar-brand {
        margin-right: 0;
    }

    .header-logo {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }

    #btn-login {
        display: none;
    }

    .nav-login {
        display: block;
    }

    .search-box {
        margin-bottom: 20px;
    }

    .navbar-toggler {
        margin-bottom: 16px;
        display: inline;
    }

    .sub-menu {
        display: none;
    }

    .sub-menu:has(.navbar-collapse.show),
    .sub-menu:has(.navbar-collapse.collapsing) {
        display: block;
    }

} */

@media (max-width: 768px) {
    .header-logo {
        width: 100%;
        padding-bottom: 15px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .header-custom-padding {
        padding-top: 1.2rem;
        padding-left: 12%;
        padding-right: 12%;
    }

    .dropdown-mega {
        position: static;
        /* cho phép menu con căn theo toàn bộ chiều ngang */
    }

    .dropdown-mega .dropdown-menu {
        position: absolute;
        left: 0;
        right: 0;
        top: 80%;
        width: 100vw;
        margin-top: 0;
        border: none;
        border-radius: 0;
        padding-top: 1rem;
        padding-bottom: 1rem;
        z-index: 1000;
    }

    /* Khi hover: hiển thị mượt */
    header .dropdown-mega:hover>.dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
    }

    header .dropdown:hover>.dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
    }

    /* Grid layout đẹp */
    .dropdown-mega .dropdown-grid {
        display: grid;
        grid-template-columns: repeat(8, minmax(0, 1fr));
        gap: 1rem 2rem;
    }
}