/* Mobile navigation: compact bottom tabs with a bottom sheet for links. */
.mobile-bottom-nav {
    display: none;
}

@media (max-width: 991px) {
    body.client-shell {
        padding-bottom: calc(82px + env(safe-area-inset-bottom, 0px));
    }

    .header-inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 10px 14px;
        padding: 12px var(--client-page-gutter, 16px);
    }

    .header-logo {
        grid-row: 1;
        grid-column: 1;
        width: auto;
        min-width: 0;
        flex: none;
    }

    .header-logo .logo img {
        width: auto;
        height: clamp(34px, 5vw, 42px);
        max-width: min(58vw, 240px);
    }

    .menu-toggle {
        display: none !important;
    }

    .header-search {
        grid-row: 2;
        grid-column: 1 / -1;
        width: 100%;
        min-width: 0;
        max-width: none;
        flex: none;
        order: 0;
        margin: 0;
    }

    .header-actions.desktop-actions {
        grid-row: 1;
        grid-column: 2;
        display: flex !important;
        align-items: center;
        justify-content: flex-end;
        gap: 8px;
    }

    .header-actions .header-phone {
        display: none !important;
    }

    .header-actions .action-btn {
        display: grid;
        width: 40px;
        height: 40px;
        place-items: center;
        border: 1px solid #e6eee8;
        border-radius: 13px;
        background: #f7faf8;
        color: #315743;
        font-size: 16px;
    }

    .mobile-bottom-nav {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 90;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        align-items: center;
        min-height: 68px;
        padding: 5px 8px calc(5px + env(safe-area-inset-bottom, 0px));
        border-top: 1px solid #e9efeb;
        background: rgba(255, 255, 255, .97);
        box-shadow: 0 -8px 24px rgba(28, 52, 40, .08);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
    }

    .mobile-bottom-nav__item {
        display: flex;
        min-width: 0;
        min-height: 52px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        padding: 3px 2px;
        border: 0;
        border-radius: 13px;
        background: transparent;
        color: #718078;
        font-family: inherit;
        font-size: 10.5px;
        font-weight: 600;
        line-height: 1.3;
        text-align: center;
        text-decoration: none;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-bottom-nav__item > span:last-child {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-bottom-nav__icon {
        display: grid;
        width: 40px;
        height: 28px;
        place-items: center;
        border-radius: 999px;
        color: currentColor;
        font-size: 18px;
        transition: background-color .18s ease, color .18s ease, transform .18s ease;
    }

    .mobile-bottom-nav__item.is-active {
        color: #167447;
    }

    .mobile-bottom-nav__item.is-active .mobile-bottom-nav__icon {
        background: #e9f5ed;
        color: #167447;
    }

    .mobile-bottom-nav__item:active .mobile-bottom-nav__icon {
        transform: scale(.94);
    }

    .mobile-nav-backdrop {
        position: fixed;
        z-index: 80;
        inset: 0;
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        border: 0;
        background: rgba(22, 35, 27, .34);
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-nav-backdrop[hidden] {
        display: none !important;
    }

    .main-nav,
    .main-nav.open {
        position: fixed !important;
        z-index: 82;
        right: 12px;
        bottom: calc(76px + env(safe-area-inset-bottom, 0px));
        left: 12px;
        display: block !important;
        width: auto;
        max-width: 680px;
        max-height: min(76vh, 680px) !important;
        margin: 0 auto;
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        border: 1px solid #e1ebe4;
        border-radius: 22px;
        background: #fff;
        box-shadow: 0 18px 60px rgba(17, 46, 29, .2);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(14px) scale(.985);
        transform-origin: bottom center;
        transition: transform .22s ease, opacity .22s ease, visibility 0s linear .22s;
    }

    .main-nav.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0) scale(1);
        transition: transform .22s ease, opacity .22s ease, visibility 0s;
    }

    .main-nav .nav-inner {
        display: block;
        width: 100%;
        max-width: none;
        min-height: 0;
        padding: 0 0 10px;
    }

    .mobile-nav-header {
        position: sticky;
        z-index: 3;
        top: 0;
        display: flex;
        min-height: 68px;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 12px 16px;
        border-bottom: 1px solid #edf1ee;
        background: rgba(255, 255, 255, .96);
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
    }

    .mobile-nav-heading {
        display: grid;
        gap: 3px;
        color: #263f30;
        line-height: 1.4;
    }

    .mobile-nav-heading strong {
        font-size: 15px;
        font-weight: 750;
    }

    .mobile-nav-heading span {
        color: #7b8981;
        font-size: 11px;
    }

    .mobile-nav-close {
        display: grid;
        width: 40px;
        height: 40px;
        flex: 0 0 40px;
        place-items: center;
        border: 1px solid #e5ece7;
        border-radius: 13px;
        background: #f7faf8;
        color: #385444;
        cursor: pointer;
        font: inherit;
        font-size: 17px;
    }

    .main-nav.open .nav-list {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 5px;
        width: 100%;
        margin: 0;
        padding: 12px;
    }

    .main-nav.open .nav-list > li {
        width: 100%;
        min-width: 0;
        border: 0;
    }

    .main-nav.open .nav-list > .mobile-actions,
    .main-nav.open .nav-list > .nav-category-btn {
        display: none !important;
    }

    .main-nav.pages-open .nav-list > li:not(.mobile-actions):not(.nav-category-btn) > a {
        display: flex;
        min-height: 48px;
        align-items: center;
        justify-content: flex-start;
        padding: 10px 13px;
        border: 1px solid #edf1ee;
        border-radius: 12px;
        background: #fff;
        color: #34473b;
        font-size: 13px;
        font-weight: 600;
        line-height: 1.55;
        white-space: normal;
    }

    .main-nav.pages-open .nav-list > li.active > a {
        border-color: #d5e9dc;
        background: #f0f8f3;
        color: #11794b;
    }

    .main-nav.categories-open .nav-list > li:not(.mobile-actions):not(.nav-category-btn) {
        display: none !important;
    }

    .main-nav.categories-open .nav-list > .nav-category-btn {
        display: block !important;
        margin: 0;
        overflow: visible;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .main-nav.categories-open .nav-category-btn > .category-menu-btn {
        display: none !important;
    }

    .main-nav.categories-open .mega-menu,
    .main-nav.categories-open .mega-menu.open {
        position: static !important;
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible;
        border: 0 !important;
        border-radius: 0 !important;
        background: #fff !important;
        box-shadow: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
    }

    .main-nav.categories-open .mega-menu-container {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
        gap: 9px !important;
        padding: 12px !important;
    }

    .main-nav.categories-open .mega-menu-container::before {
        grid-column: 1 / -1;
        color: #718078;
        content: "یک دسته را برای دیدن زیرمجموعه‌ها انتخاب کنید";
        font-size: 11px;
        font-weight: 600;
        line-height: 1.7;
    }

    .main-nav.categories-open .mega-menu-categories {
        display: contents !important;
    }

    .main-nav.categories-open .mega-menu-column,
    .main-nav.categories-open .mega-menu-column.open {
        min-width: 0;
        margin: 0;
        padding: 0;
        overflow: hidden;
        border: 1px solid #e2ebe5 !important;
        border-radius: 13px;
        background: #fff;
        box-shadow: 0 3px 10px rgba(39, 74, 52, .045);
    }

    .main-nav.categories-open .mega-menu-column.open {
        grid-column: 1 / -1;
        border-color: #b9ddc7 !important;
    }

    .main-nav.categories-open .mega-menu-title {
        display: flex;
        min-height: 58px;
        align-items: center;
        gap: 8px;
        margin: 0;
        padding: 10px 12px !important;
        color: #31473a;
        cursor: pointer;
        font-size: 13px !important;
        line-height: 1.5;
    }

    .main-nav.categories-open .mega-menu-title i:first-child {
        display: none !important;
    }

    .main-nav.categories-open .mega-menu-title::before {
        width: 8px;
        height: 8px;
        flex: 0 0 8px;
        border-radius: 50%;
        background: #35a56e;
        content: "";
    }

    .main-nav.categories-open .mega-menu-title::after {
        display: grid;
        width: 26px;
        height: 26px;
        flex: 0 0 26px;
        place-items: center;
        margin-right: auto;
        border-radius: 50%;
        background: #f2f7f4;
        color: #557464;
        content: "\f107";
        font-family: "Font Awesome 6 Free";
        font-size: 11px;
        font-weight: 900;
        transition: transform .18s ease;
    }

    .main-nav.categories-open .mega-menu-column.open .mega-menu-title::after {
        transform: rotate(180deg);
    }

    .main-nav.categories-open .mega-menu-list {
        display: none !important;
        margin: 0;
        padding: 0;
    }

    .main-nav.categories-open .mega-menu-column.open > .mega-menu-list {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
        padding: 10px !important;
        border-top: 1px solid #edf2ee;
        background: #f8fbf9;
    }

    .main-nav.categories-open .mega-menu-list > li {
        min-width: 0;
        margin: 0;
    }

    .main-nav.categories-open .mega-menu-list .menu-category-row > a {
        display: flex;
        min-height: 42px;
        align-items: center;
        padding: 7px 9px !important;
        border: 1px solid #e8eee9;
        border-radius: 9px;
        background: #fff;
        color: #41564a;
        font-size: 11.5px;
        line-height: 1.5;
        overflow-wrap: anywhere;
    }

    .main-nav.categories-open .mega-menu-list .menu-branch-toggle {
        width: 32px;
        height: 32px;
        flex-basis: 32px;
        margin: 5px;
        border-radius: 8px;
        background: #f0f6f2;
    }

    .main-nav.categories-open .mega-menu-list .menu-subcategory-list:not([hidden]) {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-column: 1 / -1;
        gap: 4px;
        margin: 5px 3px 2px 0;
        padding: 7px 8px 2px 0;
        border-right: 2px solid #dcece1;
    }

    .main-nav.categories-open .mega-menu-list .menu-subcategory-list[hidden],
    .main-nav.open .mega-menu-featured {
        display: none !important;
    }

    .back-to-top {
        bottom: calc(82px + env(safe-area-inset-bottom, 0px));
        z-index: 91;
    }
}

@media (max-width: 380px) {
    .main-nav.categories-open .mega-menu-list .menu-subcategory-list:not([hidden]) {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .main-nav,
    .main-nav.open,
    .mobile-bottom-nav__icon {
        transition: none !important;
    }
}