/* ========================================
   RESPONSIVE CSS - CHỢ VIỆT
   Hỗ trợ: Mobile, Tablet, Desktop
   ======================================== */

/* ========================================
   BREAKPOINTS
   ======================================== */
/* Mobile: < 576px */
/* Tablet: 576px - 991px */
/* Desktop: >= 992px */

/* ========================================
   UTILITY CLASSES
   ======================================== */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: block !important;
}

@media (max-width: 991px) {
    .mobile-only {
        display: block !important;
    }
    
    .desktop-only {
        display: none !important;
    }
}

/* ========================================
   HEADER & NAVBAR RESPONSIVE
   ======================================== */

/* Topbar - Ẩn trên mobile */
@media (max-width: 991px) {
    .d-none.d-lg-flex {
        display: none !important;
    }
}

/* Navbar chính - Mobile */
@media (max-width: 991px) {
    /* Navbar collapse - Ẩn mặc định, chỉ hiện khi click hamburger */
    #navbarCollapse.navbar-collapse {
        display: none !important;
    }
    
    #navbarCollapse.navbar-collapse.show {
        display: flex !important;
        background-color: #3D464D !important;
        padding: 15px !important;
        margin-top: 10px !important;
        border-radius: 8px !important;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        width: 100% !important;
        flex-direction: column !important;
    }
    
    #navbarCollapse.navbar-collapse:not(.show) {
        display: none !important;
    }
    
    /* Search section - Fix CSS */
    .mobile-search-section {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-search-section form {
        width: 100% !important;
        margin: 0 !important;
        flex: 0 0 100% !important;
        display: flex !important;
        flex-direction: row !important;
    }
    
    .mobile-search-section .search-input-group {
        width: 100% !important;
        margin: 0 !important;
        display: flex !important;
        flex-direction: row !important;
    }
    
    .mobile-search-section .input-group {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        flex-direction: row !important;
        display: flex !important;
        align-items: stretch !important;
    }
    
    .mobile-search-section input.form-control {
        flex: 1 1 auto !important;
        width: auto !important;
        min-width: 0 !important;
        border-top-right-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
        border-right: none !important;
    }
    
    .mobile-search-section .input-group-append {
        display: flex !important;
        width: auto !important;
        margin: 0 !important;
        flex-shrink: 0 !important;
    }
    
    .mobile-search-section .input-group-append button {
        border-top-left-radius: 0 !important;
        border-bottom-left-radius: 0 !important;
        border-left: 1px solid rgba(255, 255, 255, 0.2) !important;
        border-top-right-radius: 4px !important;
        border-bottom-right-radius: 4px !important;
        padding: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Nút Đăng Tin - Cùng width với search */
    .btn-dang-tin {
        width: 100% !important;
        justify-content: center !important;
        margin-bottom: 0 !important;
        flex: 0 0 100% !important;
    }
    
    /* Menu navbar section - Responsive tự động */
    .main-menu-section {
        flex-direction: column !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 0 !important;
        padding-top: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        gap: 0 !important;
    }
    
    .main-menu-section .nav-link {
        padding: 12px 15px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        white-space: normal !important;
        display: flex !important;
        align-items: center !important;
        margin: 0 !important;
    }
    
    .main-menu-section .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Dropdown trên mobile */
    .main-menu-section .dropdown {
        width: 100% !important;
        margin-bottom: 0 !important;
        margin: 0 !important;
    }
    
    .main-menu-section .dropdown-toggle {
        width: 100% !important;
        justify-content: flex-start !important;
        padding: 12px 15px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .main-menu-section .dropdown-toggle::after {
        margin-left: auto !important;
    }
    
    /* Đảm bảo icon và text thẳng hàng */
    .main-menu-section .nav-link i,
    .main-menu-section .dropdown-toggle i {
        margin-right: 8px !important;
        margin-left: 0 !important;
        flex-shrink: 0 !important;
    }
    
    /* Đảm bảo text bắt đầu cùng vị trí */
    .main-menu-section .nav-link,
    .main-menu-section .dropdown-toggle {
        padding-left: 15px !important;
    }
    
    .main-menu-section .dropdown-menu {
        position: static !important;
        float: none !important;
        width: 100% !important;
        margin-top: 0 !important;
        margin-left: 0 !important;
        box-shadow: none !important;
        background-color: rgba(0, 0, 0, 0.3) !important;
        border: none !important;
        border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
        border-radius: 0 !important;
        padding: 0 !important;
    }
    
    .main-menu-section .dropdown-item {
        padding: 10px 35px !important;
        color: rgba(255, 255, 255, 0.9) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .main-menu-section .dropdown-item:last-child {
        border-bottom: none;
    }
    
    .main-menu-section .dropdown-item:hover {
        background-color: rgba(255, 255, 255, 0.1) !important;
        color: white !important;
    }
    
    .main-menu-section .dropdown-header {
        padding: 10px 35px !important;
        color: rgba(255, 255, 255, 0.7) !important;
        font-size: 0.85rem !important;
    }
    
    .main-menu-section .dropdown-divider {
        margin: 5px 0 !important;
        border-top-color: rgba(255, 255, 255, 0.1) !important;
    }
    
    /* Avatar section - Responsive tự động */
    .main-avatar-section {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 15px !important;
        padding-top: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column !important;
        gap: 0 !important;
    }
    
    .main-avatar-section .btn-group {
        width: 100% !important;
    }
    
    .main-avatar-section .dropdown-toggle {
        width: 100% !important;
        justify-content: flex-start !important;
        padding: 12px 15px !important;
        gap: 6px !important;
    }
    
    .main-avatar-section .dropdown-toggle img {
        margin-right: 0 !important;
    }
    
    .main-avatar-section .dropdown-toggle::after {
        margin-left: auto !important;
    }
    
    .main-avatar-section .dropdown-menu {
        position: static !important;
        width: 100% !important;
        margin-top: 5px !important;
        margin-left: 0 !important;
        box-shadow: none !important;
        background-color: rgba(0, 0, 0, 0.3) !important;
        border: none !important;
        border-radius: 0 !important;
    }
    
    /* Navbar brand trên mobile */
    .navbar-brand {
        margin-right: 15px;
    }
    
    /* Navbar toggler */
    .navbar-toggler {
        border: 2px solid rgba(255, 255, 255, 0.3) !important;
        padding: 4px 8px !important;
        background-color: transparent;
    }
    
    .navbar-toggler:focus {
        outline: none;
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }
    
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    }
    
    /* Ẩn justify-content-between trên mobile */
    .navbar-collapse.justify-content-between {
        justify-content: flex-start !important;
    }
    
    /* Đảm bảo navbar không bị overlap */
    .navbar {
        position: relative;
        z-index: 1000;
    }
    
    /* Fix cho sidebar danh mục trên mobile */
    .col-lg-3.d-none.d-lg-block {
        display: none !important;
    }
    
    /* Container adjustments */
    .container-fluid.bg-dark {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
}

/* Desktop - Menu hiển thị trực tiếp, không collapse */
@media (min-width: 992px) {
    /* Navbar collapse luôn hiển thị trên desktop */
    .navbar-collapse {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
    }
    
    .navbar-collapse:not(.show) {
        display: flex !important;
    }
    
    /* Ẩn hamburger menu trên desktop */
    .navbar-toggler {
        display: none !important;
    }
    
    /* Menu hiển thị ngang */
    .main-menu-section {
        display: flex !important;
        flex-direction: row !important;
        width: auto !important;
        margin-left: 15px !important;
        margin-top: 0 !important;
        padding-top: 0 !important;
        border-top: none !important;
        gap: 15px !important;
    }
    
    .main-menu-section .nav-link {
        width: auto !important;
        border-bottom: none !important;
        padding: 0.5rem 0.75rem !important;
        white-space: nowrap !important;
    }
    
    .main-menu-section .dropdown {
        width: auto !important;
    }
    
    .main-menu-section .dropdown-toggle {
        width: auto !important;
        padding: 0.5rem 0.75rem !important;
        border-bottom: none !important;
        white-space: nowrap !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
    }
    
    .main-menu-section .dropdown-menu {
        position: absolute !important;
        width: auto !important;
        min-width: 200px !important;
        margin-top: 0 !important;
        margin-left: 0 !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15) !important;
        background-color: #fff !important;
        border-radius: 8px !important;
        padding: 8px 0 !important;
    }
    
    .main-menu-section .dropdown-item {
        padding: 10px 20px !important;
        color: #333 !important;
    }
    
    .main-menu-section .dropdown-item:hover {
        background-color: #f8f9fa !important;
        color: #333 !important;
    }
    
    .main-menu-section .dropdown-header {
        padding: 8px 20px !important;
        color: #666 !important;
    }
    
    /* Avatar hiển thị ngang */
    .main-avatar-section {
        display: flex !important;
        flex-direction: row !important;
        width: auto !important;
        margin-left: 15px !important;
        margin-top: 0 !important;
        padding-top: 0 !important;
        border-top: none !important;
        gap: 15px !important;
    }
    
    .main-avatar-section .btn-group {
        width: auto !important;
    }
    
    .main-avatar-section .dropdown-toggle {
        width: auto !important;
        padding: 0 !important;
        border: none !important;
        gap: 6px !important;
    }
    
    .main-avatar-section .dropdown-toggle img {
        margin-right: 0 !important;
    }
    
    .main-avatar-section .dropdown-menu {
        position: absolute !important;
        width: auto !important;
        min-width: 200px !important;
        margin-top: 5px !important;
        margin-left: 0 !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15) !important;
        background-color: #fff !important;
        border-radius: 8px !important;
    }
    
    /* Search section trên desktop */
    .mobile-search-section {
        flex-direction: row !important;
        width: auto;
        gap: 15px;
    }
    
    .mobile-search-section form {
        width: auto !important;
        flex: 1 1 auto;
        min-width: 200px;
        max-width: 400px;
    }
    
    .mobile-search-section .search-input-group {
        width: 100% !important;
    }
    
    .btn-dang-tin {
        width: auto !important;
        flex-shrink: 0;
    }
}

/* Tablet adjustments - iPad/Tablet (768px - 991px) - Giống mobile */
@media (min-width: 768px) and (max-width: 991px) {
    /* Navbar collapse - Ẩn mặc định, chỉ hiện khi click hamburger */
    #navbarCollapse.navbar-collapse {
        display: none !important;
    }
    
    #navbarCollapse.navbar-collapse.show {
        display: flex !important;
        background-color: #3D464D !important;
        padding: 15px !important;
        margin-top: 10px !important;
        border-radius: 8px !important;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        width: 100% !important;
        flex-direction: column !important;
    }
    
    #navbarCollapse.navbar-collapse:not(.show) {
        display: none !important;
    }
    
    /* Search section - Giống mobile */
    .mobile-search-section {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-search-section form {
        width: 100% !important;
        margin: 0 !important;
        flex: 0 0 100% !important;
        display: flex !important;
        flex-direction: row !important;
    }
    
    .mobile-search-section .search-input-group {
        width: 100% !important;
        margin: 0 !important;
        display: flex !important;
        flex-direction: row !important;
    }
    
    .mobile-search-section .input-group {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        flex-direction: row !important;
        display: flex !important;
        align-items: stretch !important;
    }
    
    .mobile-search-section input.form-control {
        flex: 1 1 auto !important;
        width: auto !important;
        min-width: 0 !important;
        border-top-right-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
        border-right: none !important;
    }
    
    .mobile-search-section .input-group-append {
        display: flex !important;
        width: auto !important;
        margin: 0 !important;
        flex-shrink: 0 !important;
    }
    
    .mobile-search-section .input-group-append button {
        border-top-left-radius: 0 !important;
        border-bottom-left-radius: 0 !important;
        border-left: 1px solid rgba(255, 255, 255, 0.2) !important;
        border-top-right-radius: 4px !important;
        border-bottom-right-radius: 4px !important;
        padding: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Nút Đăng Tin - Cùng width với search */
    .btn-dang-tin {
        width: 100% !important;
        justify-content: center !important;
        margin-bottom: 0 !important;
        flex: 0 0 100% !important;
    }
    
    /* Menu navbar section - Giống mobile */
    .main-menu-section {
        flex-direction: column !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 0 !important;
        padding-top: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        gap: 0 !important;
    }
    
    .main-menu-section .nav-link {
        padding: 12px 15px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        white-space: normal !important;
        display: flex !important;
        align-items: center !important;
        margin: 0 !important;
    }
    
    .main-menu-section .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Dropdown trên tablet */
    .main-menu-section .dropdown {
        width: 100% !important;
        margin-bottom: 0 !important;
        margin: 0 !important;
    }
    
    .main-menu-section .dropdown-toggle {
        width: 100% !important;
        justify-content: flex-start !important;
        padding: 12px 15px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .main-menu-section .dropdown-toggle::after {
        margin-left: auto !important;
    }
    
    /* Đảm bảo icon và text thẳng hàng */
    .main-menu-section .nav-link i,
    .main-menu-section .dropdown-toggle i {
        margin-right: 8px !important;
        margin-left: 0 !important;
        flex-shrink: 0 !important;
    }
    
    /* Đảm bảo text bắt đầu cùng vị trí */
    .main-menu-section .nav-link,
    .main-menu-section .dropdown-toggle {
        padding-left: 15px !important;
    }
    
    .main-menu-section .dropdown-menu {
        position: static !important;
        float: none !important;
        width: 100% !important;
        margin-top: 0 !important;
        margin-left: 0 !important;
        box-shadow: none !important;
        background-color: rgba(0, 0, 0, 0.3) !important;
        border: none !important;
        border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
        border-radius: 0 !important;
        padding: 0 !important;
    }
    
    .main-menu-section .dropdown-item {
        padding: 10px 35px !important;
        color: rgba(255, 255, 255, 0.9) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .main-menu-section .dropdown-item:last-child {
        border-bottom: none;
    }
    
    .main-menu-section .dropdown-item:hover {
        background-color: rgba(255, 255, 255, 0.1) !important;
        color: white !important;
    }
    
    .main-menu-section .dropdown-header {
        padding: 10px 35px !important;
        color: rgba(255, 255, 255, 0.7) !important;
        font-size: 0.85rem !important;
    }
    
    .main-menu-section .dropdown-divider {
        margin: 5px 0 !important;
        border-top-color: rgba(255, 255, 255, 0.1) !important;
    }
    
    /* Avatar section - Giống mobile */
    .main-avatar-section {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 15px !important;
        padding-top: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column !important;
    }
    
    .main-avatar-section .btn-group {
        width: 100% !important;
    }
    
    .main-avatar-section .dropdown-toggle {
        width: 100% !important;
        justify-content: flex-start !important;
        padding: 12px 15px !important;
        gap: 6px !important;
    }
    
    .main-avatar-section .dropdown-toggle img {
        margin-right: 0 !important;
    }
    
    .main-avatar-section .dropdown-toggle::after {
        margin-left: auto !important;
    }
    
    .main-avatar-section .dropdown-menu {
        position: static !important;
        width: 100% !important;
        margin-top: 5px !important;
        margin-left: 0 !important;
        box-shadow: none !important;
        background-color: rgba(0, 0, 0, 0.3) !important;
        border: none !important;
        border-radius: 0 !important;
    }
}

/* Danh mục sidebar - Mobile */
@media (max-width: 991px) {
    .col-lg-3.d-none.d-lg-block {
        width: 100% !important;
        margin-bottom: 10px;
    }
    
    #navbar-vertical {
        width: 100% !important;
        position: relative !important;
    }
}

/* ========================================
   CONTAINER & LAYOUT RESPONSIVE
   ======================================== */
@media (max-width: 575px) {
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* ========================================
   BANNER & CAROUSEL RESPONSIVE
   ======================================== */

/* Banner Layout - Mobile & Tablet */
@media (max-width: 991px) {
    /* Banner container full width */
    .container-fluid .row.px-xl-5 {
        padding-left: 15px !important;
        padding-right: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    /* Banner column full width */
    .col-lg-8 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        margin-bottom: 20px !important;
    }
    
    /* Live Stream panel full width và nằm dưới */
    .col-lg-4 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
    
    /* Carousel container */
    #mainCarousel {
        width: 100% !important;
        margin-bottom: 20px !important;
    }
    
    /* Banner image responsive */
    .banner-image {
        height: 250px !important;
        width: 100% !important;
        object-fit: cover !important;
        object-position: center !important;
    }
    
    /* Banner overlay - Full ảnh */
    .banner-overlay {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background: rgba(0, 0, 0, 0.4) !important;
        z-index: 1 !important;
    }
    
    /* Carousel caption - Nằm trên overlay - Không có background */
    .carousel-caption {
        padding: 15px !important;
        bottom: 10px !important;
        left: 10px !important;
        right: 10px !important;
        width: auto !important;
        position: absolute !important;
        z-index: 2 !important;
        background: transparent !important; /* Loại bỏ lớp mờ cũ */
        background-color: transparent !important;
    }
    
    /* Banner title responsive */
    .banner-title {
        font-size: 1.5rem !important;
        margin-bottom: 10px !important;
        line-height: 1.3 !important;
    }
    
    /* Banner description responsive */
    .banner-description {
        font-size: 0.9rem !important;
        margin-bottom: 15px !important;
        line-height: 1.4 !important;
    }
    
    /* Banner button responsive */
    .btn-banner {
        padding: 10px 25px !important;
        font-size: 0.95rem !important;
    }
    
    /* Carousel control buttons - Đẹp hơn */
    .carousel-control-prev,
    .carousel-control-next {
        width: 40px !important;
        height: 40px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        background: rgba(255, 255, 255, 0.95) !important;
        border: 2px solid rgba(255, 215, 0, 0.9) !important;
        border-radius: 50% !important;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2) !important;
        opacity: 0.9 !important;
        transition: all 0.3s ease !important;
        z-index: 10 !important;
    }
    
    .carousel-control-prev:hover,
    .carousel-control-next:hover {
        opacity: 1 !important;
        background: rgba(255, 255, 255, 1) !important;
        border-color: #FFD333 !important;
        box-shadow: 0 5px 15px rgba(255, 215, 0, 0.5) !important;
        transform: translateY(-50%) scale(1.15) !important;
    }
    
    .carousel-control-prev {
        left: 15px !important;
    }
    
    .carousel-control-next {
        right: 15px !important;
    }
    
    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 16px !important;
        height: 16px !important;
        filter: brightness(0) saturate(100%) invert(75%) sepia(87%) saturate(1352%) hue-rotate(0deg) brightness(1.1) contrast(1.1) !important;
        -webkit-filter: brightness(0) saturate(100%) invert(75%) sepia(87%) saturate(1352%) hue-rotate(0deg) brightness(1.1) contrast(1.1) !important;
        opacity: 1 !important;
    }
    
    /* Carousel indicators - Đẹp hơn */
    .carousel-indicators {
        margin-bottom: 15px !important;
        gap: 8px !important;
        justify-content: center !important;
        align-items: center !important;
    }
    
    .carousel-indicators button {
        width: 12px !important;
        height: 12px !important;
        border-radius: 50% !important;
        background: rgba(255, 255, 255, 0.5) !important;
        border: 2px solid rgba(255, 255, 255, 0.8) !important;
        margin: 0 4px !important;
        opacity: 0.7 !important;
        transition: all 0.3s ease !important;
        cursor: pointer !important;
    }
    
    .carousel-indicators button:hover {
        opacity: 1 !important;
        background: rgba(255, 255, 255, 0.8) !important;
        transform: scale(1.2) !important;
    }
    
    .carousel-indicators button.active {
        width: 14px !important;
        height: 14px !important;
        background: #FFD333 !important;
        border: 2px solid #fff !important;
        opacity: 1 !important;
        box-shadow: 0 0 10px rgba(255, 215, 0, 0.6) !important;
    }
}

/* Mobile Small (< 576px) */
@media (max-width: 575px) {
    .banner-image {
        height: 200px !important;
    }
    
    .banner-title {
        font-size: 1.2rem !important;
        margin-bottom: 8px !important;
    }
    
    .banner-description {
        font-size: 0.8rem !important;
        margin-bottom: 12px !important;
    }
    
    .btn-banner {
        padding: 8px 20px !important;
        font-size: 0.85rem !important;
    }
    
    /* Banner overlay - Mobile small */
    .banner-overlay {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background: rgba(0, 0, 0, 0.4) !important;
        z-index: 1 !important;
    }
    
    .carousel-caption {
        padding: 10px !important;
        bottom: 5px !important;
        position: absolute !important;
        z-index: 2 !important;
        background: transparent !important; /* Loại bỏ lớp mờ cũ */
        background-color: transparent !important;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 36px !important;
        height: 36px !important;
        background: rgba(255, 255, 255, 0.95) !important;
        border: 2px solid rgba(255, 215, 0, 0.9) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    }
    
    .carousel-control-prev {
        left: 8px !important;
    }
    
    .carousel-control-next {
        right: 8px !important;
    }
    
    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 14px !important;
        height: 14px !important;
    }
    
    .carousel-indicators {
        margin-bottom: 10px !important;
        gap: 6px !important;
    }
    
    .carousel-indicators button {
        width: 10px !important;
        height: 10px !important;
        margin: 0 3px !important;
        background: rgba(255, 255, 255, 0.5) !important;
        border: 2px solid rgba(255, 255, 255, 0.8) !important;
    }
    
    .carousel-indicators button.active {
        width: 12px !important;
        height: 12px !important;
        background: #FFD333 !important;
        box-shadow: 0 0 8px rgba(255, 215, 0, 0.6) !important;
    }
}

/* Tablet (768px - 991px) - Cải thiện banner */
@media (min-width: 768px) and (max-width: 991px) {
    .banner-image {
        height: 300px !important;
    }
    
    .banner-title {
        font-size: 1.8rem !important;
    }
    
    .banner-description {
        font-size: 1rem !important;
    }
    
    .btn-banner {
        padding: 12px 30px !important;
        font-size: 1rem !important;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 42px !important;
        height: 42px !important;
        background: rgba(255, 255, 255, 0.95) !important;
        border: 2px solid rgba(255, 215, 0, 0.9) !important;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2) !important;
    }
    
    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 18px !important;
        height: 18px !important;
    }
    
    .carousel-indicators button {
        width: 13px !important;
        height: 13px !important;
    }
    
    .carousel-indicators button.active {
        width: 15px !important;
        height: 15px !important;
    }
}

/* Desktop (≥ 992px) - Carousel controls đẹp */
@media (min-width: 992px) {
    /* Carousel control buttons - Desktop */
    #mainCarousel .carousel-control-prev,
    #mainCarousel .carousel-control-next {
        width: 45px !important;
        height: 45px !important;
        background: rgba(255, 255, 255, 0.95) !important;
        border: 2px solid rgba(255, 215, 0, 0.9) !important;
        border-radius: 50% !important;
        box-shadow: 0 3px 12px rgba(0, 0, 0, 0.25) !important;
        opacity: 0.9 !important;
        transition: all 0.3s ease !important;
        z-index: 10 !important;
    }
    
    #mainCarousel .carousel-control-prev:hover,
    #mainCarousel .carousel-control-next:hover {
        opacity: 1 !important;
        background: rgba(255, 255, 255, 1) !important;
        border-color: #FFD333 !important;
        box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6) !important;
        transform: translateY(-50%) scale(1.2) !important;
    }
    
    #mainCarousel .carousel-control-prev-icon,
    #mainCarousel .carousel-control-next-icon {
        width: 20px !important;
        height: 20px !important;
        filter: brightness(0) saturate(100%) invert(75%) sepia(87%) saturate(1352%) hue-rotate(0deg) brightness(1.1) contrast(1.1) !important;
        -webkit-filter: brightness(0) saturate(100%) invert(75%) sepia(87%) saturate(1352%) hue-rotate(0deg) brightness(1.1) contrast(1.1) !important;
    }
    
    /* Carousel indicators - Desktop */
    #mainCarousel .carousel-indicators {
        margin-bottom: 20px !important;
        gap: 10px !important;
    }
    
    #mainCarousel .carousel-indicators button {
        width: 14px !important;
        height: 14px !important;
        border-radius: 50% !important;
        background: rgba(255, 255, 255, 0.5) !important;
        border: 2px solid rgba(255, 255, 255, 0.8) !important;
        margin: 0 5px !important;
        opacity: 0.7 !important;
        transition: all 0.3s ease !important;
        cursor: pointer !important;
    }
    
    #mainCarousel .carousel-indicators button:hover {
        opacity: 1 !important;
        background: rgba(255, 255, 255, 0.9) !important;
        transform: scale(1.3) !important;
    }
    
    #mainCarousel .carousel-indicators button.active {
        width: 16px !important;
        height: 16px !important;
        background: #FFD333 !important;
        border: 2px solid #fff !important;
        opacity: 1 !important;
        box-shadow: 0 0 12px rgba(255, 215, 0, 0.7) !important;
    }
}

/* ========================================
   FEATURED CATEGORIES RESPONSIVE
   ======================================== */

/* Global - Đảm bảo tất cả danh mục có chiều cao đều nhau */
.container-fluid.pt-2 .row {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: stretch !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.container-fluid.pt-2 .col-6.col-md-4.col-lg-2 {
    display: flex !important;
    flex-direction: column !important;
    padding-left: 10px !important;
    padding-right: 10px !important;
    margin-bottom: 20px !important;
}

.container-fluid.pt-2 .col-6.col-md-4.col-lg-2 > a {
    display: flex !important;
    width: 100% !important;
    height: 100% !important;
    text-decoration: none !important;
}

.quick-category-card {
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 20px 15px !important;
    min-height: 160px !important;
}

.quick-category-card h6 {
    margin-bottom: 8px !important;
    text-align: center !important;
    line-height: 1.3 !important;
    flex-shrink: 0 !important;
}

.quick-category-card small {
    text-align: center !important;
    line-height: 1.4 !important;
    flex-shrink: 0 !important;
    display: block !important;
}

.category-icon {
    flex-shrink: 0 !important;
    margin-bottom: 15px !important;
}

/* Danh mục nổi bật - Mobile & Tablet */
@media (max-width: 991px) {
    /* Container padding */
    .container-fluid.pt-2 .row.px-xl-5 {
        padding-left: 15px !important;
        padding-right: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    /* Title responsive */
    .container-fluid.pt-2 h4 {
        font-size: 1.3rem !important;
        margin-bottom: 20px !important;
    }
    
    /* Category cards responsive - Chiều cao đều nhau */
    .quick-category-card {
        padding: 15px !important;
        min-height: 140px !important;
    }
    
    /* Category icon responsive */
    .category-icon {
        width: 50px !important;
        height: 50px !important;
        margin-bottom: 12px !important;
    }
    
    .category-icon i {
        font-size: 1.2rem !important;
    }
    
    /* Category text responsive */
    .quick-category-card h6 {
        font-size: 0.95rem !important;
        margin-bottom: 5px !important;
    }
    
    .quick-category-card small {
        font-size: 0.75rem !important;
    }
    
    /* Spacing between cards */
    .container-fluid.pt-2 .col-6.col-md-4.col-lg-2 {
        margin-bottom: 15px !important;
        padding-left: 7.5px !important;
        padding-right: 7.5px !important;
    }
}

/* Mobile Small (< 576px) */
@media (max-width: 575px) {
    .container-fluid.pt-2 h4 {
        font-size: 1.1rem !important;
        margin-bottom: 15px !important;
    }
    
    .quick-category-card {
        padding: 12px !important;
        min-height: 130px !important;
    }
    
    .category-icon {
        width: 45px !important;
        height: 45px !important;
        margin-bottom: 10px !important;
    }
    
    .category-icon i {
        font-size: 1rem !important;
    }
    
    .quick-category-card h6 {
        font-size: 0.9rem !important;
        margin-bottom: 4px !important;
    }
    
    .quick-category-card small {
        font-size: 0.7rem !important;
    }
    
    .col-6.col-md-4.col-lg-2 {
        margin-bottom: 12px !important;
    }
}

/* Tablet (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .quick-category-card {
        padding: 18px !important;
        min-height: 150px !important;
    }
    
    .category-icon {
        width: 55px !important;
        height: 55px !important;
    }
    
    .category-icon i {
        font-size: 1.3rem !important;
    }
    
    .quick-category-card h6 {
        font-size: 1rem !important;
    }
    
    .quick-category-card small {
        font-size: 0.8rem !important;
    }
}

/* Desktop (≥ 992px) - Tối ưu hiển thị */
@media (min-width: 992px) {
    /* Category cards - Chiều cao đều nhau */
    .quick-category-card {
        min-height: 170px !important;
        transition: all 0.3s ease !important;
    }
    
    .quick-category-card:hover {
        transform: translateY(-5px) !important;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
    }
    
    .category-icon {
        transition: transform 0.3s ease !important;
    }
    
    .quick-category-card:hover .category-icon {
        transform: scale(1.1) !important;
    }
    
    /* Spacing đều nhau */
    .container-fluid.pt-2 .col-6.col-md-4.col-lg-2 {
        padding-left: 10px !important;
        padding-right: 10px !important;
        margin-bottom: 20px !important;
    }
}

/* ========================================
   PRODUCT GRID RESPONSIVE
   ======================================== */
@media (max-width: 1199px) {
    .col-lg-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 767px) {
    .col-lg-4,
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Product cards */
@media (max-width: 767px) {
    .product-item {
        margin-bottom: 20px;
    }
    
    .product-img-hover {
        height: 200px !important;
    }
    
    .product-title {
        font-size: 1rem !important;
    }
    
    .product-price {
        font-size: 1.1rem !important;
    }
}

/* ========================================
   FORMS RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .form-control {
        font-size: 16px; /* Tránh zoom trên iOS */
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .btn {
        width: 100%;
        padding: 12px;
        font-size: 16px;
    }
    
    /* Input group - Không áp dụng cho search section */
    .input-group:not(.search-input-group) {
        flex-direction: column;
    }
    
    .input-group-append:not(.search-input-group .input-group-append) {
        width: 100%;
        margin-top: 10px;
    }
}

/* ========================================
   MODAL RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .modal-content {
        width: 95% !important;
        margin: 20px auto !important;
        padding: 15px !important;
    }
    
    .modal-header {
        padding: 15px !important;
    }
    
    .modal-body {
        padding: 15px !important;
    }
    
    #dangTinModal .modal-content {
        width: 95% !important;
        margin: 10px auto !important;
        padding: 15px !important;
    }
}

/* ========================================
   TABLES RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        font-size: 0.85rem;
    }
    
    .table th,
    .table td {
        padding: 8px 5px !important;
        white-space: nowrap;
    }
    
    /* Stack table on very small screens */
    @media (max-width: 575px) {
        .table,
        .table thead,
        .table tbody,
        .table th,
        .table td,
        .table tr {
            display: block;
        }
        
        .table thead tr {
            position: absolute;
            top: -9999px;
            left: -9999px;
        }
        
        .table tr {
            border: 1px solid #ccc;
            margin-bottom: 10px;
            padding: 10px;
        }
        
        .table td {
            border: none;
            position: relative;
            padding-left: 50% !important;
        }
        
        .table td:before {
            content: attr(data-label);
            position: absolute;
            left: 6px;
            width: 45%;
            padding-right: 10px;
            white-space: nowrap;
            font-weight: bold;
        }
    }
}

/* ========================================
   CARDS RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .card {
        margin-bottom: 20px;
    }
    
    .card-body {
        padding: 15px !important;
    }
    
    .card-title {
        font-size: 1.1rem !important;
    }
    
    .card-text {
        font-size: 0.9rem !important;
    }
}

/* ========================================
   FOOTER RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .main-footer,
    .container-fluid.bg-dark {
        padding: 30px 15px 15px !important;
    }
    
    .main-footer .row,
    .container-fluid.bg-dark .row {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .main-footer .row > div,
    .container-fluid.bg-dark .row > div {
        margin-bottom: 30px;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .main-footer h5,
    .container-fluid.bg-dark h5 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .main-footer p,
    .container-fluid.bg-dark p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .main-footer .col-lg-4,
    .main-footer .col-lg-8,
    .main-footer .col-md-4,
    .main-footer .col-md-6 {
        width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
    
    .main-footer .btn-square {
        width: 35px !important;
        height: 35px !important;
        margin-right: 8px;
        margin-bottom: 8px;
    }
    
    .main-footer img.img-fluid {
        max-width: 200px;
    }
}

/* Back to top button */
@media (max-width: 767px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        right: 15px;
        bottom: 15px;
        font-size: 18px;
    }
}

/* ========================================
   CHAT RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .chat-container {
        flex-direction: column !important;
        height: calc(100vh - 120px) !important;
    }
    
    .chat-sidebar {
        width: 100% !important;
        height: 200px !important;
        border-right: none !important;
        border-bottom: 1px solid #ddd;
    }
    
    .chat-messages {
        width: 100% !important;
        height: calc(100vh - 320px) !important;
    }
    
    .chat-input {
        width: 100% !important;
    }
}

/* ========================================
   PROFILE RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .profile-header {
        flex-direction: column !important;
        text-align: center;
    }
    
    .profile-avatar {
        margin-bottom: 20px;
        margin-right: 0 !important;
    }
    
    .profile-info {
        width: 100% !important;
    }
    
    .profile-tabs {
        flex-direction: column;
    }
    
    .profile-tabs .nav-link {
        width: 100%;
        margin-bottom: 5px;
    }
}

/* ========================================
   DASHBOARD & MANAGEMENT RESPONSIVE
   ======================================== */
@media (max-width: 991px) {
    .dashboard-stats {
        flex-direction: column;
    }
    
    .stat-card {
        width: 100% !important;
        margin-bottom: 15px;
    }
    
    .management-toolbar {
        flex-direction: column;
    }
    
    .management-toolbar .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* ========================================
   LIVESTREAM RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .livestream-player {
        width: 100% !important;
        height: 250px !important;
    }
    
    .livestream-chat {
        width: 100% !important;
        height: 300px !important;
    }
    
    .livestream-info {
        padding: 15px !important;
    }
}

/* ========================================
   SEARCH & FILTER RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .search-filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100% !important;
        margin-bottom: 15px;
    }
    
    .search-results {
        padding: 15px !important;
    }
}

/* ========================================
   UTILITY RESPONSIVE CLASSES
   ======================================== */
@media (max-width: 575px) {
    .px-xl-5 {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    
    .py-xl-5 {
        padding-top: 30px !important;
        padding-bottom: 30px !important;
    }
    
    .mb-30 {
        margin-bottom: 20px !important;
    }
    
    .mt-5 {
        margin-top: 30px !important;
    }
    
    .mb-5 {
        margin-bottom: 30px !important;
    }
}

/* ========================================
   TEXT RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    h1 {
        font-size: 1.8rem !important;
    }
    
    h2 {
        font-size: 1.5rem !important;
    }
    
    h3 {
        font-size: 1.3rem !important;
    }
    
    h4 {
        font-size: 1.1rem !important;
    }
    
    .display-4 {
        font-size: 2rem !important;
    }
    
    .display-5 {
        font-size: 1.5rem !important;
    }
}

/* ========================================
   IMAGES RESPONSIVE
   ======================================== */
img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 767px) {
    .img-fluid {
        width: 100%;
        height: auto;
    }
}

/* ========================================
   SPACING RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .section-padding {
        padding: 40px 0 !important;
    }
    
    .content-padding {
        padding: 20px 15px !important;
    }
}

/* ========================================
   BUTTONS RESPONSIVE
   ======================================== */
@media (max-width: 575px) {
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        margin-bottom: 5px;
        border-radius: 4px !important;
    }
}

/* ========================================
   FIXES FOR MOBILE BROWSERS
   ======================================== */
/* Prevent zoom on input focus (iOS) */
@media (max-width: 767px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Touch-friendly tap targets */
@media (max-width: 767px) {
    a, button {
        min-height: 44px;
        min-width: 44px;
    }
}

/* ========================================
   DETAIL PRODUCT PAGE RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .product-detail {
        padding: 15px !important;
    }
    
    .product-images {
        margin-bottom: 20px;
    }
    
    .product-main-image {
        width: 100%;
        height: 300px !important;
        object-fit: cover;
    }
    
    /* Product carousel responsive */
    .carousel-item {
        height: 300px !important;
    }
    
    .product-carousel-img {
        height: 300px !important;
        object-fit: cover;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 35px !important;
        height: 35px !important;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .carousel-control-prev {
        left: 10px;
    }
    
    .carousel-control-next {
        right: 10px;
    }
    
    .product-thumbnails {
        flex-direction: row;
        overflow-x: auto;
        margin-top: 10px;
    }
    
    .product-thumbnail {
        min-width: 80px;
        height: 80px;
        margin-right: 10px;
    }
    
    /* Product info section */
    .col-lg-7.h-auto {
        margin-top: 20px;
    }
    
    .h-100.bg-light.p-30 {
        padding: 20px 15px !important;
    }
    
    .product-info {
        padding: 15px !important;
    }
    
    .product-title {
        font-size: 1.3rem !important;
        margin-bottom: 15px;
    }
    
    .product-price {
        font-size: 1.8rem !important;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .product-description {
        margin-top: 20px;
        padding: 15px;
    }
    
    .product-seller-info {
        margin-top: 20px;
        padding: 15px;
    }
    
    /* Container adjustments */
    .container.d-flex.justify-content-center {
        padding: 15px;
    }
    
    .row.px-xl-10 {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
}

/* ========================================
   CATEGORY PAGE RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .category-header {
        padding: 15px !important;
        text-align: center;
    }
    
    .category-filters {
        flex-direction: column;
        margin-bottom: 20px;
    }
    
    .filter-item {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .category-products {
        padding: 15px !important;
    }
}

/* ========================================
   SEARCH PAGE RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .search-header {
        padding: 15px !important;
    }
    
    .search-results-count {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .search-sort {
        width: 100%;
        margin-bottom: 15px;
    }
}

/* ========================================
   CHECKOUT PAGE RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .checkout-container {
        flex-direction: column;
    }
    
    .checkout-form,
    .checkout-summary {
        width: 100% !important;
        margin-bottom: 20px;
    }
    
    .order-summary {
        position: static !important;
        margin-top: 20px;
    }
}

/* ========================================
   ADMIN PAGES RESPONSIVE
   ======================================== */
@media (max-width: 991px) {
    .admin-sidebar {
        position: fixed;
        left: -100%;
        transition: left 0.3s ease;
        z-index: 1000;
        height: 100vh;
        overflow-y: auto;
    }
    
    .admin-sidebar.show {
        left: 0;
    }
    
    .admin-content {
        margin-left: 0 !important;
        width: 100%;
    }
    
    .admin-header {
        padding: 15px !important;
    }
}

/* ========================================
   DASHBOARD CARDS RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .stat-card {
        margin-bottom: 15px;
    }
    
    .stat-card .card-body {
        padding: 15px !important;
    }
    
    .stat-number {
        font-size: 1.8rem !important;
    }
    
    .stat-label {
        font-size: 0.85rem !important;
    }
}

/* ========================================
   FORM RESPONSIVE IMPROVEMENTS
   ======================================== */
@media (max-width: 767px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-row .col,
    .form-row [class*="col-"] {
        width: 100%;
        max-width: 100%;
        margin-bottom: 15px;
    }
    
    .form-check {
        margin-bottom: 10px;
    }
    
    label {
        font-size: 0.9rem;
        margin-bottom: 5px;
    }
}

/* ========================================
   PAGINATION RESPONSIVE
   ======================================== */
@media (max-width: 575px) {
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination .page-link {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .pagination .page-item:first-child .page-link,
    .pagination .page-item:last-child .page-link {
        display: none;
    }
}

/* ========================================
   ALERT & TOAST RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .alert {
        padding: 12px 15px;
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .toast {
        max-width: 90%;
        margin: 10px auto;
    }
}

/* ========================================
   BREADCRUMB RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .breadcrumb {
        flex-wrap: wrap;
        padding: 10px 15px;
        font-size: 0.85rem;
    }
    
    .breadcrumb-item {
        margin-bottom: 5px;
    }
}

/* ========================================
   BADGE & TAG RESPONSIVE
   ======================================== */
@media (max-width: 575px) {
    .badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    .tag {
        font-size: 0.8rem;
        padding: 5px 10px;
        margin: 3px;
    }
}

/* ========================================
   LOADING & SPINNER RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .spinner-border,
    .spinner-grow {
        width: 2rem;
        height: 2rem;
    }
    
    .loading-overlay {
        padding: 20px;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .navbar,
    .footer,
    .btn,
    .no-print,
    .back-to-top,
    .navbar-toggler {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container-fluid {
        padding: 0 !important;
    }
    
    .product-item,
    .card {
        page-break-inside: avoid;
    }
}