:root {
    --bg-dark: #121212;
    --bg-card: #1c1c1c;
    --accent-red: #c8102e;
    --accent-red-dark: #8a0e20;
    --text-light: #f5f5f5;
    --text-muted: #9c9c9c;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
}

/* Navbar */
.navbar {
    background-color: var(--bg-dark) !important;
    border-bottom: 1px solid #796868;
}
.navbar-brand {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--accent-red) !important;
}

.navbar .nav-link {
    color: var(--text-light) !important;
}
.nav-center .nav-link:hover {
    color: var(--accent-red) !important;
}


/* Ép navbar container dùng grid 3 cột: trái - giữa - phải */
/* Container giữ flex bình thường, brand trái - nav-right phải */
.navbar > .container.nav-grid {
    max-width: 100%;
    padding-left: 40px;
    padding-right: 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1.5rem;
}
.nav-center .nav-link {
    position: relative;
    padding-bottom: 4px;
}

.nav-center .nav-link::before,
.nav-center .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    height: 2px;
    background-color: var(--accent-red);
    width: 0;
    transition: width 0.3s ease;
}

.nav-center .nav-link::before {
    left: 0;
}

.nav-center .nav-link::after {
    right: 0;
}

.nav-center .nav-link:hover::before,
.nav-center .nav-link:hover::after {
    width: 50%;
}
.nav-right {
    margin-left: auto;
    margin-right: 0;   /* bỏ margin-right cũ, giờ padding của container đã đủ khoảng cách */
}
.nav-right .nav-link {
    border: 1px solid var(--accent-red);
    border-radius: 4px;
    padding: 6px 18px !important;
    transition: all 0.2s ease;
    display: inline-block;
}
.nav-right .nav-link:hover {
    background-color: var(--accent-red);
    color: #fff !important;
    transform: scale(1.08);
}
.wine-banner {
    position: relative;
    overflow: visible;      
    min-height: 480px;       
    background: radial-gradient(circle at 75% 50%, var(--accent-red-dark) 0%, var(--bg-dark) 65%);
    padding: 60px 80px;
}

.wine-banner-img {
    position: relative;
    height: 100%;
}

/* Tìm đoạn này và sửa lại: */
.wine-banner-img img {
    position: relative;  
    top: auto;
    left: auto;
    transform: none;
    max-height: 500px;
    width: auto;
    display: block;
    margin: 0 auto;
}

/* Và sửa wine-banner-img: */
.wine-banner-img {
    position: relative;
    height: auto;       
    text-align: center;
    overflow: hidden;
}
.wine-banner-text {
    padding-left: 40px;
}
.wine-banner-title {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 4rem;
    text-transform: uppercase;
    line-height: 1.1;
    color: #fff;
}
.wine-banner-sub {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin: 20px 0 30px;
    max-width: 420px;
}

@media (max-width: 767px) {
      .wine-banner-img img {
        max-height: 300px;
    }
    .wine-banner {
        padding: 40px 20px;
        text-align: center;
    }
    .wine-banner-text {
        padding-left: 0;
        margin-top: 20px;
    }
    .wine-banner-title {
        font-size: 2.5rem;
    }

    .hero-eyebrow {
        margin-left: auto;
        margin-right: auto;
    }
    .wine-banner-sub {
        margin-left: auto;
        margin-right: auto;
    }
}
.hero {
    background: linear-gradient(135deg, #1a1a1a 55%, var(--accent-red-dark) 130%);
    padding: 70px 0;
    border-radius: 12px;
    margin-bottom: 40px;
}
.hero-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-red);
    display: block;
    width: 230px;
    border-top: 1px solid var(--accent-red);
    padding-top: 18px;
    margin-bottom: 24px;
}
.hero-title {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 3rem;
    line-height: 1.15;
    text-transform: uppercase;
}
.hero-price {
    color: var(--accent-red);
    font-size: 1.8rem;
    font-weight: 700;
}
.btn-wine {
    background-color: var(--accent-red);
    border: none;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 10px 28px;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.btn-wine:hover {
    background-color: var(--accent-red-dark);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(200, 16, 46, 0.4);
}

/* Section title */
.section-title {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-left: 4px solid var(--accent-red);
    padding-left: 12px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid #2a2a2a;
    color: var(--text-light);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(200, 16, 46, 0.35);
    border-color: var(--accent-red);
}
.card-img-top {
    transition: transform 0.3s ease;
}
.card:hover .card-img-top {
    transform: scale(1.05);
}
/* Mũi tên carousel: đẩy ra sát 2 mép, không đè vào ảnh/chữ */
#productHeroCarousel .carousel-control-prev,
#productHeroCarousel .carousel-control-next {
    width: 6%;
    opacity: 0.8;
}
#productHeroCarousel .carousel-control-prev-icon,
#productHeroCarousel .carousel-control-next-icon {
    background-color: rgba(200, 16, 46, 0.7);
    border-radius: 50%;
    padding: 18px;
}

#productHeroCarousel .carousel-indicators {
    position: static;
    margin: 0;
    justify-content: flex-start;
}
#productHeroCarousel .carousel-indicators [data-bs-target] {
    width: 24px;
    height: 3px;
    background-color: #555;
}
#productHeroCarousel .carousel-indicators .active {
    background-color: #fff;
}
.brands-section .row > div {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}
@media (max-width: 767px) {
     .hero .col-md-4 {
        text-align: center;
    }
    .hero .hero-eyebrow {
        margin-left: auto;
        margin-right: auto;
    }
    /* Căn giữa toàn bộ nội dung trong slide carousel sản phẩm */
    #productHeroCarousel .carousel-item .row {
        text-align: center;
    }

    /* Indicator (các dấu gạch) cũng chuyển về giữa, thay vì dồn trái */
    #productHeroCarousel .carousel-indicators {
        justify-content: center !important;
    }
}
.brand-logo {
    max-height: 80px;
    max-width: 100%;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%) brightness(2);
    opacity: 0.6;
    transition: filter 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}
.brand-logo:hover {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.1);
}
.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-red);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    flex-shrink: 0;
}
.text-review-product {
    color: var(--accent-red) !important;
}
.site-footer {
    background-color: #0d0d0d;
    border-top: 1px solid #2a2a2a;
}
.footer-brand {
    font-family: 'Oswald', sans-serif;
    color: var(--accent-red);
    font-weight: 700;
    letter-spacing: 1px;
}
.footer-heading {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--text-light);
}
.footer-link {
    position: relative;
    color: var(--text-muted);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 8px;
    padding-bottom: 4px;
    transition: color 0.2s;
}
.footer-link::before,
.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    height: 2px;
    background-color: var(--accent-red);
    width: 0;
    transition: width 0.3s ease;
}
.footer-link::before {
    left: 0;
}
.footer-link::after {
    right: 0;
}
.footer-link:hover {
    color: var(--accent-red);
}
.footer-link:hover::before,
.footer-link:hover::after {
    width: 50%;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-desc {
    color: #d8d8d8;
}
.footer-contact {
    color: var(--accent-red);
}
.footer-social-icon {
    width: 36px;
    height: 36px;
    border: 1px solid #2a2a2a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: 0.2s;
}
.footer-social-icon:hover {
    background-color: var(--accent-red);
    border-color: var(--accent-red);
    color: #fff;
}
.footer-bottom {
    background-color: #000;
    color: var(--text-muted);
}
footer {
    background-color: #0d0d0d !important;
}

/* Màu khi check vào bộ lọc */
.form-check-input:checked {
    background-color: var(--accent-red) !important;
    border-color: var(--accent-red) !important;
}

/* Làm đẹp thanh cuộn scrollbar của vùng chứa bộ lọc xuất xứ */
.card div::-webkit-scrollbar {
    width: 5px;
}
.card div::-webkit-scrollbar-track {
    background: #1a1a1a; 
}
.card div::-webkit-scrollbar-thumb {
    background: #444; 
    border-radius: 4px;
}
.card div::-webkit-scrollbar-thumb:hover {
    background: var(--accent-red); 
}

/* (MENU PHÂN LOẠI SANG TRỌNG) */
.premium-category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    border-bottom: 1px solid #333; /* Đường kẻ chìm làm nền */
    margin-bottom: 2rem;
}

.premium-category-link {
    font-family: 'Oswald', sans-serif;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0 1rem 0;
    position: relative;
    transition: color 0.3s ease;
}

/* Đổi màu chữ khi đưa chuột vào */
.premium-category-link:hover {
    color: #fff;
}

/* Trạng thái đang được chọn */
.premium-category-link.active {
    color: var(--accent-red);
    font-weight: 700;
}

/* Hiệu ứng gạch chân chạy ra từ trái sang phải */
.premium-category-link::after {
    content: '';
    position: absolute;
    bottom: -1px; /* Đè lên đúng đường viền của container */
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-red);
    transition: width 0.3s ease;
}

/* Kích hoạt gạch chân khi hover hoặc đang chọn */
.premium-category-link:hover::after,
.premium-category-link.active::after {
    width: 100%;
}

@media (max-width: 767px) {
    .premium-category-nav {
        gap: 1rem;
    }
    .premium-category-link {
        font-size: 0.95rem;
    }
}

.price-slider-container input[type="range"] {
    position: absolute;
    width: 100%;
    height: 5px;
    background: transparent;
    pointer-events: none;
    -webkit-appearance: none;
    outline: none;
    top: 0;
    margin: 0;
}
/* Hiệu ứng nút trượt */
.price-slider-container input[type="range"]::-webkit-slider-thumb {
    pointer-events: auto;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-red);
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
    position: relative;
    z-index: 1;
}
.price-slider-container input[type="range"]::-moz-range-thumb {
    pointer-events: auto;
    width: 16px;
    height: 16px;
    border: none;
    border-radius: 50%;
    background: var(--accent-red);
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
    position: relative;
    z-index: 1;
}
.navbar > .container.nav-grid {
    max-width: 100%;
    padding-left: 40px;
    padding-right: 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
}


/* ==========================================================================
   1. CSS MẶC ĐỊNH (DÀNH CHO DESKTOP)
   ========================================================================== */
.nav-toggle-btn {
    display: none; /* Ẩn nút ba gạch trên desktop */
    background: none;
    border: 1px solid var(--accent-red);
    color: var(--text-light);
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 1.1rem;
    cursor: pointer;
}


/* ==========================================================================
   2. CSS RESPONSIVE (DÀNH RIÊNG CHO MOBILE & TABLET < 991px)
   ========================================================================== */
@media (max-width: 991px) {
    .navbar > .container.nav-grid {
        padding: 10px 16px;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .navbar-brand { 
        font-size: 1.2rem; 
    }

    /* Nav center xuống dòng, căn giữa */
    .nav-center {
        display: none !important;
        position: static;
        transform: none;
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 1rem;
        padding: 8px 0;
        border-top: 1px solid #2a2a2a;
        margin-top: 6px;
    }

    .nav-center.show-mobile {
        display: flex !important;
    }

    /* Nav right giữ nguyên hàng ngang, thu gọn */
    .nav-right {
        margin-left: 0;
        flex-wrap: wrap;
        gap: 6px !important;
    }

    .nav-right .nav-link {
        padding: 5px 10px !important;
        font-size: 12px;
    }

    /* Tắt hover dropdown trên mobile, dùng click của Bootstrap */
    .custom-user-dropdown:hover .dropdown-menu {
        display: none !important;
    }

    .custom-user-dropdown .dropdown-menu {
        position: absolute !important;
    }

    /* Bật lại bằng Bootstrap toggle khi có class show */
    .custom-user-dropdown.show .dropdown-menu,
    .custom-user-dropdown .dropdown-menu.show {
        display: block !important;
    }

    /* Hiện nút ba gạch trên mobile */
    .nav-toggle-btn {
        display: inline-block;
    }
} 
@media (max-width: 767px) {
    #filterSidebar {
        display: none;
    }
}
@media (max-width: 767px) {
    #filterSidebar.show-mobile {
        display: block;
    }
}

    @media (max-width: 576px) {
        .nav-center {
            gap: 0.5rem;
        }

        .nav-center .nav-link {
            font-size: 13px;
            padding: 4px 6px;
        }

        .nav-right .nav-link {
            font-size: 11px;
            padding: 4px 8px !important;
        }
    }

    #buy-quantity::-webkit-inner-spin-button, 
            #buy-quantity::-webkit-outer-spin-button { 
                -webkit-appearance: none; 
                margin: 0; 
            }
            /* Dành cho Firefox */
            #buy-quantity {
                -moz-appearance: textfield;
            }