/* ═══════════════════════════════════════════════════════════════
   SHOP UI — استایل هدر، ناوبری، Mega Menu و Bottom Nav
   ═══════════════════════════════════════════════════════════════
   
   📌 این فایل شامل:
      1. Header (Desktop)
      2. Header (Mobile)
      3. Mega Menu (دسته‌بندی)
      4. Brands Dropdown
      5. Mobile Drawer (دسته‌بندی + برندها)
      6. Bottom Navigation (موبایل)
   
   📌 هیچ رنگی هاردکد نشده — همه از themeShop.css میان.
   ═══════════════════════════════════════════════════════════════ */


/* ═══════════════════════════════════════════════════════════════
   FIX: رفع دوگانگی scroll container بین html و body
   ═══════════════════════════════════════════════════════════════ */
html {
    overflow: visible !important;
    overflow-x: visible !important;
    overflow-y: visible !important;
    height: auto !important;
    max-height: none !important;
    overflow-anchor: none !important;
}

body {
    overflow-x: hidden !important;
    overflow-y: auto !important;
    height: auto !important;
    min-height: 100vh;
    max-height: none !important;
    position: static !important;
    transform: none !important;
    filter: none !important;
    perspective: none !important;
    contain: none !important;
    will-change: auto !important;
    overflow-anchor: none !important;
}


/* ═══════════════════════════════════════════════════════════════
   ۱) هدر دسکتاپ
   ═══════════════════════════════════════════════════════════════ */
.shop-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0 0;
}

.header-row {
    padding: 0.35rem 0;
}


/* ─── برند ─── */
.shop-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.shop-brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 6px 18px rgba(var(--c-primary-rgb), 0.35);
    flex-shrink: 0;
}

.shop-brand-text {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}


/* ─── جستجو ─── */
.header-search {
    width: 100%;
}

.search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--c-bg-soft);
    border: 1.5px solid transparent;
    border-radius: var(--radius-md);
    padding: 4px 4px 4px 14px;
    transition: var(--transition);
}

.search-wrap:focus-within {
    background: var(--c-bg);
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px rgba(var(--c-primary-rgb), 0.12);
}

.search-icon {
    color: var(--c-muted);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.search-wrap:focus-within .search-icon {
    color: var(--c-primary);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.88rem;
    color: var(--c-text);
    padding: 8px 0;
    font-family: inherit;
}

.search-input::placeholder {
    color: var(--c-muted-soft);
}

.search-btn {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    border: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(var(--c-primary-rgb), 0.3);
}

.search-btn:hover {
    transform: translateX(-2px);
}


/* ─── اکشن‌های هدر ─── */
.header-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
}

.header-icon-btn {
    position: relative;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--c-bg-soft);
    color: var(--c-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.header-icon-btn:hover {
    background: var(--c-primary-soft);
    color: var(--c-primary);
    border-color: var(--c-primary-soft);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    background: linear-gradient(135deg, var(--c-danger), var(--c-danger-dark));
    color: #fff;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(var(--c-danger-rgb), 0.4);
}


/* ─── یوزر منو ─── */
.user-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px 5px 5px;
    background: var(--c-bg-soft);
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    color: var(--c-text);
    font-weight: 600;
    font-size: 0.85rem;
}

.user-btn:hover {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}

.user-btn::after {
    display: none;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.user-name {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-chevron {
    font-size: 0.65rem;
    opacity: 0.6;
}

.user-menu {
    border: 1px solid var(--c-border-soft);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    min-width: 220px;
    margin-top: 8px !important;
}

.user-menu-header {
    padding: 10px 12px 8px;
}

.user-menu-name {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--c-text);
}

.user-menu-hint {
    font-size: 0.72rem;
    color: var(--c-muted);
    margin-top: 2px;
}

.user-menu .dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--c-text-soft);
}

.user-menu .dropdown-item i {
    width: 16px;
    text-align: center;
    color: var(--c-muted);
}

.user-menu .dropdown-item:hover {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}

.user-menu .dropdown-item-danger:hover {
    background: var(--c-danger-soft);
    color: var(--c-danger);
}

.user-menu .dropdown-divider {
    margin: 4px 8px;
    border-color: var(--c-border-soft);
}


/* ─── دکمه ورود ─── */
.login-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(var(--c-primary-rgb), 0.3);
    white-space: nowrap;
}

.login-btn:hover {
    color: #fff;
    box-shadow: 0 8px 22px rgba(var(--c-primary-rgb), 0.4);
}


/* ═══════════════════════════════════════════════════════════════
   ۲) نوار ناوبری دسکتاپ
   ═══════════════════════════════════════════════════════════════ */
.main-nav {
    margin-top: 0.75rem;
    border-top: 1px solid var(--c-border-soft);
    padding: 0.35rem 0 0;
    position: relative;
}

.main-nav-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0 0 0.5rem;
    gap: 0.25rem;
}

.main-nav-item {
    position: static;
    flex-shrink: 0;
}

.main-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--c-text-soft);
    font-weight: 600;
    font-size: 0.88rem;
    white-space: nowrap;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: inherit;
}

.main-nav-link:hover {
    background: var(--c-bg-soft);
    color: var(--c-primary-dark);
}

.main-nav-item.open > .main-nav-link {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}

.nav-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.nav-icon-primary {
    background: var(--c-primary-soft);
    color: var(--c-primary);
}

.nav-icon-warning {
    background: var(--c-warning-soft);
    color: var(--c-warning);
}

.nav-icon-gold {
    background: #fef9c3;
    color: #ca8a04;
}

.nav-icon-success {
    background: var(--c-success-soft);
    color: var(--c-success);
}

.nav-icon-purple {
    background: #ede9fe;
    color: #7c3aed;
}

.nav-chevron {
    font-size: 0.62rem;
    transition: transform 0.25s;
    opacity: 0.6;
}

.main-nav-item.open .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
}


/* ═══════════════════════════════════════════════════════════════
   ۳) Mega Menu (دسته‌بندی)
   ═══════════════════════════════════════════════════════════════ */
.mega-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1040;
    display: none;
    overflow: hidden;
}

.main-nav-item.open > .mega-menu {
    display: flex;
}

.mega-sidebar {
    width: 250px;
    flex-shrink: 0;
    background: var(--c-bg-soft);
    border-left: 1px solid var(--c-border);
    padding: 0.5rem 0;
    max-height: 520px;
    overflow-y: auto;
}

.mega-cat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1.1rem;
    color: var(--c-text-soft);
    font-size: 0.87rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.mega-cat-item:hover,
.mega-cat-item.active {
    background: var(--c-bg);
    color: var(--c-primary-dark);
    font-weight: 700;
}

.mega-cat-arrow {
    font-size: 0.6rem;
    opacity: 0;
    transition: opacity 0.15s;
}

.mega-cat-item:hover .mega-cat-arrow,
.mega-cat-item.active .mega-cat-arrow {
    opacity: 1;
}

.mega-content {
    flex-grow: 1;
    padding: 1.2rem 1.5rem;
    max-height: 520px;
    overflow-y: auto;
}

.mega-panel {
    display: none;
}

.mega-panel.active {
    display: block;
}

.mega-panel-header {
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px dashed var(--c-border);
}

.mega-panel-title {
    color: var(--c-text);
    font-weight: 800;
    font-size: 1rem;
    margin: 0;
}

.mega-sub-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.55rem 0.75rem;
    color: var(--c-text-soft);
    text-decoration: none;
    font-size: 0.83rem;
    border-radius: 8px;
    transition: var(--transition);
}

.mega-sub-link i {
    color: var(--c-primary);
    font-size: 0.7rem;
}

.mega-sub-link:hover {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}

.mega-empty {
    padding: 1rem;
    color: var(--c-muted);
    font-size: 0.85rem;
    text-align: center;
}

.mega-empty-full {
    padding: 2rem;
    color: var(--c-muted);
    text-align: center;
    width: 100%;
}


/* ═══════════════════════════════════════════════════════════════
   ۴) Brands Dropdown
   ═══════════════════════════════════════════════════════════════ */
.brands-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 640px;
    max-width: 100%;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1040;
    display: none;
    overflow: hidden;
}

.main-nav-item.open > .brands-dropdown {
    display: block;
}

.brands-dropdown-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.9rem 1.3rem;
    background: linear-gradient(135deg, var(--c-bg-soft), var(--c-primary-soft));
    border-bottom: 1px solid var(--c-border);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--c-text);
}

.brands-dropdown-header i {
    color: var(--c-primary);
}

.brands-list {
    padding: 1rem 1.3rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    max-height: 400px;
    overflow-y: auto;
}

.brand-item {
    display: inline-block;
    padding: 0.45rem 1rem;
    background: var(--c-bg-soft);
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--c-text-soft);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.brand-item:hover {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}


/* ═══════════════════════════════════════════════════════════════
   ۵) هدر موبایل
   ═══════════════════════════════════════════════════════════════ */
.shop-header-mobile {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
    padding: 10px 0 8px;
    overflow-anchor: none;
}

.mobile-top-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
}

.mobile-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    text-decoration: none;
    box-shadow: 0 6px 16px rgba(var(--c-primary-rgb), 0.35);
    flex-shrink: 0;
}

.mobile-search {
    flex: 1;
    min-width: 0;
}

.mobile-search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--c-bg-soft);
    border: 1.5px solid transparent;
    border-radius: 12px;
    padding: 0 12px;
    height: 42px;
    transition: var(--transition);
}

.mobile-search-wrap:focus-within {
    background: var(--c-bg);
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px rgba(var(--c-primary-rgb), 0.12);
}

.mobile-search-icon {
    color: var(--c-muted);
    font-size: 0.88rem;
    flex-shrink: 0;
}

.mobile-search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.82rem;
    color: var(--c-text);
    padding: 0;
    font-family: inherit;
    min-width: 0;
}

.mobile-search-input::placeholder {
    color: var(--c-muted-soft);
}

.mobile-icon-btn {
    position: relative;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--c-bg-soft);
    color: var(--c-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1rem;
    flex-shrink: 0;
}

.mobile-cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    background: linear-gradient(135deg, var(--c-danger), var(--c-danger-dark));
    color: #fff;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(var(--c-danger-rgb), 0.4);
}


/* ─── ردیف چیپ‌های اسکرول‌پذیر ─── */
.mobile-chips-row {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 10px 12px 4px;
    margin-top: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.mobile-chips-row::-webkit-scrollbar {
    display: none;
}

.mobile-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    border: none;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.mobile-chip i {
    font-size: 0.75rem;
}

.chip-primary {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}

.chip-warning {
    background: var(--c-warning-soft);
    color: var(--c-warning-text);
}

.chip-gold {
    background: #fef9c3;
    color: #a16207;
}

.chip-success {
    background: var(--c-success-soft);
    color: #047857;
}

.chip-purple {
    background: #ede9fe;
    color: #6d28d9;
}


/* ═══════════════════════════════════════════════════════════════
   ۶) Mobile Drawer (دسته‌بندی + برندها)
   ═══════════════════════════════════════════════════════════════ */
.mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: none;
}

.mobile-drawer:not([hidden]) {
    display: block;
}

.drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    animation: drawer-fade-in 0.2s ease-out;
}

@keyframes drawer-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 88%;
    max-width: 400px;
    height: 100%;
    background: var(--c-bg);
    box-shadow: -10px 0 40px rgba(15, 23, 42, 0.2);
    display: flex;
    flex-direction: column;
    animation: drawer-slide-in 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes drawer-slide-in {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--c-bg-soft), var(--c-primary-soft));
    border-bottom: 1px solid var(--c-border-soft);
    flex-shrink: 0;
}

.drawer-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--c-text);
}

.drawer-title i {
    color: var(--c-primary);
}

.drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    color: var(--c-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
}

.drawer-accordion {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.drawer-accordion-item {
    border-bottom: 1px solid var(--c-border-soft);
}

.drawer-accordion-item:last-child {
    border-bottom: none;
}

.drawer-accordion-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--c-text);
    list-style: none;
    border-radius: 10px;
}

.drawer-accordion-summary::-webkit-details-marker {
    display: none;
}

.drawer-accordion-summary i {
    color: var(--c-muted);
    font-size: 0.75rem;
    transition: transform 0.25s;
}

.drawer-accordion-item[open] .drawer-accordion-summary i {
    transform: rotate(180deg);
    color: var(--c-primary);
}

.drawer-accordion-body {
    padding: 4px 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.drawer-sub-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    color: var(--c-text-soft);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: 8px;
}

.drawer-sub-link i {
    color: var(--c-primary);
    font-size: 0.65rem;
    opacity: 0.6;
}

.drawer-brands-grid {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
}

.drawer-brand-chip {
    display: inline-block;
    padding: 9px 16px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border-soft);
    border-radius: 999px;
    color: var(--c-text-soft);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
}

.drawer-empty,
.drawer-empty-full {
    padding: 2rem 1rem;
    color: var(--c-muted);
    text-align: center;
    font-size: 0.85rem;
}


/* ═══════════════════════════════════════════════════════════════
   ۷) Bottom Navigation (موبایل)
   ═══════════════════════════════════════════════════════════════ */
.mbn-nav {
    display: none;
}

.mbn-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 4px;
    border: none;
    background: transparent;
    color: var(--c-muted);
    text-decoration: none;
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: color 0.2s ease;
    font-family: inherit;
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

.mbn-item:hover,
.mbn-item.active {
    color: var(--c-primary);
}

.mbn-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    line-height: 1;
    position: relative;
    transition: transform 0.2s ease;
}

.mbn-item:active .mbn-icon-wrap {
    transform: scale(0.9);
}

.mbn-item.active .mbn-icon-wrap {
    transform: scale(1.08);
}

.mbn-label {
    font-size: 0.65rem;
    line-height: 1;
}

.mbn-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: linear-gradient(135deg, var(--c-danger), var(--c-danger-dark));
    color: #fff;
    border-radius: 999px;
    font-size: 0.58rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(var(--c-danger-rgb), 0.5);
}


/* ═══════════════════════════════════════════════════════════════
   ۸) MOBILE FIX — Bottom Nav شناور + هدر ثابت
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 767.98px) {

    /* قطع هر عاملی که می‌تونه containing block درست کنه */
    body,
    main,
    .main-container,
    .shop-header,
    .shop-header-mobile,
    .shop-header-root {
        transform: none !important;
        filter: none !important;
        perspective: none !important;
        contain: none !important;
        will-change: auto !important;
    }

    /* ─── هدر — fixed در بالا ─── */
    .shop-header-mobile {
        position: fixed !important;
        top: 0 !important;
        bottom: auto !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 1030 !important;
        padding: 10px 0 8px !important;
        margin: 0 !important;
    }

    /* ─── Bottom Nav شناور (کادر گرد، فاصله از لبه‌ها) ─── */
    .mbn-nav {
        display: grid !important;
        grid-template-columns: repeat(5, 1fr) !important;

        position: fixed !important;
        top: auto !important;
        bottom: 12px !important;
        left: 12px !important;
        right: 12px !important;

        width: auto !important;
        max-width: 480px !important;
        margin: 0 auto !important;

        z-index: 1040 !important;

        background: rgba(255, 255, 255, 0.92) !important;
        backdrop-filter: blur(16px) saturate(160%) !important;
        -webkit-backdrop-filter: blur(16px) saturate(160%) !important;

        border: 1px solid var(--c-border) !important;
        border-radius: 22px !important;
        box-shadow:
            0 12px 32px -8px rgba(15, 23, 42, 0.18),
            0 0 0 1px rgba(255, 255, 255, 0.4) inset !important;

        min-height: 62px !important;
        padding: 8px 6px !important;
        padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px)) !important;

        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }

    /* ─── فاصله‌ی محتوا از بالا و پایین ─── */
    body {
        padding-top: 118px !important;
        padding-bottom: 110px !important;
    }

    /* ─── هماهنگی Compare Bar با موقعیت جدید ─── */
    .compare-bar {
        bottom: 100px !important;
    }

    /* ─── هماهنگی Toast ─── */
    .shop-toast-container {
        bottom: 100px !important;
    }
}
/* ═══════════════════════════════════════════════════════════════
   ۹) Shop Toast (پیام‌های شناور)
   ═══════════════════════════════════════════════════════════════ */
.shop-toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: calc(100vw - 32px);
    width: max-content;
}

.shop-toast {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 12px;
    background: var(--c-text);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.25);
    pointer-events: auto;
    animation: shop-toast-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.5;
}

.shop-toast i {
    font-size: 1.05rem;
    flex-shrink: 0;
}

.shop-toast.toast-success {
    background: linear-gradient(135deg, var(--c-success), #047857);
}

.shop-toast.toast-error {
    background: linear-gradient(135deg, var(--c-danger), var(--c-danger-dark));
}

.shop-toast.toast-warning {
    background: linear-gradient(135deg, var(--c-warning), #d97706);
}

.shop-toast.toast-info {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
}

.shop-toast.hide {
    animation: shop-toast-out 0.25s ease-in forwards;
}

@keyframes shop-toast-in {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes shop-toast-out {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(20px); }
}

/* در موبایل: بالای Bottom Nav */
@media (max-width: 767.98px) {
    .shop-toast-container {
        bottom: 84px;
    }
}
/* ═══════════════════════════════════════════════════════════════
   ۱۰) Back to Top (دکمه بازگشت به بالا)
   ═══════════════════════════════════════════════════════════════ */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 28px;
    z-index: 1039;

    width: 46px;
    height: 46px;
    border-radius: 50%;

    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;

    box-shadow:
        0 10px 24px -6px rgba(var(--c-primary-rgb), 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.15) inset;

    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.9);
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease,
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s ease;

    -webkit-tap-highlight-color: transparent;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow:
        0 14px 30px -6px rgba(var(--c-primary-rgb), 0.55),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.back-to-top:active {
    transform: translateY(0) scale(0.95);
}

.back-to-top i {
    pointer-events: none;
    line-height: 1;
}

/* ─── موبایل: بالای Bottom Nav شناور ─── */
@media (max-width: 767.98px) {
    .back-to-top {
        right: 14px;
        bottom: 92px;
        width: 42px;
        height: 42px;
        font-size: 0.9rem;
    }
}

/* ═══════════════════════════════════════════════════════════════
   User Dropdown — نمایش دستی (Bootstrap فقط استایل رو می‌ده)
   ═══════════════════════════════════════════════════════════════ */
.user-menu.user-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: auto;
    z-index: 1050;
}

.user-menu.user-dropdown-menu.show {
    display: block;
    animation: user-menu-fade 0.18s ease-out;
}

@keyframes user-menu-fade {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* wrapper نیاز به position relative داره */
.user-dropdown {
    position: relative;
}

/* ═══════════════════════════════════════════════════════════════
   User Drawer (موبایل) — منوی حساب کاربری
   ═══════════════════════════════════════════════════════════════ */
.mobile-user-btn {
    background: var(--c-primary-soft);
    color: var(--c-primary);
}

.mobile-user-btn:hover {
    background: var(--c-primary);
    color: #fff;
}

.user-drawer-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* ─── کارت کاربر ─── */
.user-drawer-profile {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 16px;
    background: linear-gradient(135deg, var(--c-primary-soft), var(--c-bg));
    border-bottom: 1px solid var(--c-border-soft);
}

.user-drawer-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 8px 20px rgba(var(--c-primary-rgb), 0.35);
    flex-shrink: 0;
}

.user-drawer-info {
    min-width: 0;
}

.user-drawer-name {
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--c-text);
    margin-bottom: 2px;
    word-break: break-word;
}

.user-drawer-hint {
    font-size: 0.75rem;
    color: var(--c-muted);
}

/* ─── منوی آیتم‌ها ─── */
.user-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 8px;
    gap: 2px;
}

.user-drawer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--c-text-soft);
    font-weight: 600;
    font-size: 0.88rem;
    transition: var(--transition);
}

.user-drawer-item:hover,
.user-drawer-item:active {
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
}

.user-drawer-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--c-bg-soft);
    color: var(--c-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.user-drawer-item:hover .user-drawer-icon {
    background: var(--c-primary);
    color: #fff;
}

.user-drawer-label {
    flex: 1;
    min-width: 0;
}

.user-drawer-arrow {
    font-size: 0.65rem;
    color: var(--c-muted);
    opacity: 0.5;
    transition: var(--transition);
}

.user-drawer-item:hover .user-drawer-arrow {
    color: var(--c-primary);
    opacity: 1;
    transform: translateX(-3px);
}

/* ─── فوتر (خروج) ─── */
.user-drawer-footer {
    margin-top: auto;
    padding: 12px 16px;
    border-top: 1px solid var(--c-border-soft);
}

.user-drawer-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 16px;
    background: var(--c-danger-soft);
    color: var(--c-danger);
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: var(--transition);
    border: 1px solid #fecaca;
}

.user-drawer-logout:hover {
    background: var(--c-danger);
    color: #fff;
    border-color: var(--c-danger);
}

.user-drawer-logout i {
    font-size: 0.85rem;
}