/* Maava Home — mobile layout system. Home/index only; desktop is untouched. */

@media (max-width: 767.98px) {
    :root {
        --maava-home-mobile-nav-height: 76px;
        --maava-home-mobile-nav-bottom: 8px;
        --maava-home-mobile-nav-gap: 12px;
        --maava-home-mobile-safe-bottom: env(safe-area-inset-bottom, 0px);
        --maava-home-mobile-clearance: calc(
            var(--maava-home-mobile-nav-height) +
            var(--maava-home-mobile-nav-bottom) +
            var(--maava-home-mobile-nav-gap) +
            var(--maava-home-mobile-safe-bottom)
        );
        --maava-home-floating-gap: 12px;
    }

    html {
        scroll-padding-bottom: var(--maava-home-mobile-clearance);
        overflow-x: hidden;
    }

    body:has(.mobile-footer) {
        padding-bottom: var(--maava-home-mobile-clearance) !important;
        overflow-x: hidden;
    }

    body:has(.mobile-footer) > * {
        max-width: 100%;
    }

    /* Keep every major Home section clear of the fixed navigation. */
    .store-entrance,
    .store-hero,
    .store-main-window,
    .rs-banner-showcase,
    .rs-offer-section,
    .smart-category-zone,
    .smart-best-sellers,
    .ai-new-arrivals,
    .most-viewed-section,
    .tech-popular,
    .article-latest,
    .partner,
    .footer,
    .copy-right {
        max-width: 100%;
        box-sizing: border-box;
        scroll-margin-bottom: var(--maava-home-mobile-clearance);
    }

    .store-entrance,
    .store-main-window,
    .store-hero-container {
        min-width: 0 !important;
    }

    /* The actual Home mobile navigation. One fixed layer, one measured height. */
    .mobile-footer {
        position: fixed !important;
        left: 10px !important;
        right: 10px !important;
        bottom: calc(var(--maava-home-mobile-nav-bottom) + var(--maava-home-mobile-safe-bottom)) !important;
        width: auto !important;
        height: var(--maava-home-mobile-nav-height) !important;
        min-height: var(--maava-home-mobile-nav-height) !important;
        margin: 0 !important;
        padding: 7px 6px !important;
        box-sizing: border-box !important;
        z-index: 9990 !important;
        border: 1px solid rgba(15,23,42,.08) !important;
        border-radius: 22px !important;
        background: rgba(255,255,255,.96) !important;
        box-shadow: 0 16px 42px rgba(15,23,42,.16), 0 3px 12px rgba(15,23,42,.06) !important;
        backdrop-filter: blur(22px) saturate(150%) !important;
        -webkit-backdrop-filter: blur(22px) saturate(150%) !important;
        transform: translateZ(0);
    }

    .mobile-footer .container,
    .mobile-footer .footer-menu,
    .mobile-footer .footer-menu ul {
        width: 100% !important;
        max-width: none !important;
        height: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .mobile-footer .footer-menu ul {
        display: flex !important;
        align-items: stretch !important;
        justify-content: space-between !important;
        gap: 3px !important;
        list-style: none !important;
    }

    .mobile-footer .menu-item {
        position: relative !important;
        flex: 1 1 0 !important;
        min-width: 0 !important;
        height: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 3px !important;
        padding: 5px 2px !important;
        margin: 0 !important;
        border-radius: 16px !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-footer .menu-link {
        position: absolute !important;
        inset: 0 !important;
        z-index: 5 !important;
        display: block !important;
    }

    .mobile-footer .menu-item img {
        position: relative !important;
        z-index: 2 !important;
        width: 22px !important;
        height: 22px !important;
        object-fit: contain !important;
        margin: 0 !important;
        opacity: .72 !important;
    }

    .mobile-footer .menu-item span {
        position: relative !important;
        z-index: 2 !important;
        display: block !important;
        max-width: 100% !important;
        overflow: hidden !important;
        color: #64748b !important;
        font-size: 8.5px !important;
        line-height: 1.35 !important;
        font-weight: 700 !important;
        white-space: nowrap !important;
        text-overflow: ellipsis !important;
    }

    .mobile-footer .menu-item:first-child {
        background: rgba(15,23,42,.055) !important;
    }

    .mobile-footer .menu-item:first-child img {
        opacity: 1 !important;
        transform: translateY(-1px) scale(1.04);
    }

    .mobile-footer .menu-item:first-child span {
        color: #111827 !important;
    }

    .mobile-footer .menu-item:first-child::before {
        content: "";
        position: absolute;
        top: 3px;
        left: 50%;
        width: 20px;
        height: 3px;
        transform: translateX(-50%);
        border-radius: 99px;
        background: #111827;
        opacity: .9;
    }

    .mobile-footer .menu-item:active {
        transform: scale(.96);
    }

    /* AI chat: always has its own lane above the Home navigation. */
    #maava-ai-sales-chat .maava-ai-chat-fab {
        position: fixed !important;
        right: 14px !important;
        bottom: calc(var(--maava-home-mobile-clearance) + var(--maava-home-floating-gap)) !important;
        z-index: 10020 !important;
        max-width: calc(100vw - 28px) !important;
        box-sizing: border-box !important;
    }

    #maava-ai-sales-chat .maava-ai-chat-panel {
        position: fixed !important;
        top: max(8px, env(safe-area-inset-top)) !important;
        right: 8px !important;
        bottom: calc(var(--maava-home-mobile-clearance) + 8px) !important;
        width: calc(100vw - 16px) !important;
        height: auto !important;
        max-height: calc(100dvh - var(--maava-home-mobile-clearance) - 16px - env(safe-area-inset-top)) !important;
        z-index: 10021 !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* Prevent product tabs/action bars from becoming a second fixed navigation. */
    .product-tabs,
    .product-tab-nav,
    .product-actions,
    .sticky-product-actions,
    .sticky-buy-bar,
    .product-bottom-bar {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .product-tabs,
    .product-tab-nav {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .product-tabs::-webkit-scrollbar,
    .product-tab-nav::-webkit-scrollbar {
        display: none;
    }

    /* Any legacy floating/back-to-top control gets a dedicated left lane. */
    #back-to-top,
    #backToTop,
    .back-to-top,
    .backToTop,
    .scroll-top,
    .scrollToTop {
        position: fixed !important;
        left: 12px !important;
        right: auto !important;
        bottom: calc(var(--maava-home-mobile-clearance) + var(--maava-home-floating-gap)) !important;
        z-index: 10019 !important;
    }

    .floating-actions {
        bottom: calc(var(--maava-home-mobile-clearance) + 8px) !important;
        left: 12px !important;
        right: auto !important;
        z-index: 10018 !important;
    }

    /* Legacy Telegram floating prompt must not sit on top of the navigation. */
    .telegram-popup1 {
        bottom: calc(var(--maava-home-mobile-clearance) + 8px) !important;
        z-index: 10010 !important;
    }

    /* Touch-safe sizing and no accidental horizontal page scroll. */
    .store-entrance img,
    .store-hero img,
    .store-main-window img,
    .mobile-footer img {
        max-width: 100%;
    }
}

@media (max-width: 390px) {
    :root {
        --maava-home-mobile-nav-height: 72px;
        --maava-home-mobile-nav-bottom: 7px;
    }

    .mobile-footer {
        left: 7px !important;
        right: 7px !important;
        border-radius: 20px !important;
    }

    .mobile-footer .menu-item img {
        width: 20px !important;
        height: 20px !important;
    }

    .mobile-footer .menu-item span {
        font-size: 8px !important;
    }

    #maava-ai-sales-chat .maava-ai-chat-fab {
        right: 10px !important;
        max-width: calc(100vw - 20px) !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mobile-footer .menu-item,
    #maava-ai-sales-chat .maava-ai-chat-fab {
        transition: none !important;
    }
}