/**
 * Antigravity Core — Isolated Mobile Design System & Responsive Engine
 * Strict Viewport Target: max-width: 768px
 * Standards: W3C Touch Targets, iOS/Android Guidelines, Google Mobile-Friendly (0px Overflow)
 */

@media only screen and (max-width: 768px) {

    /* ==========================================================================
       1. GLOBAL RESET & ZERO HORIZONTAL OVERFLOW (0px Scroll)
       ========================================================================== */
    html, body {
        max-width: 100vw !important;
        overflow-x: hidden !important;
        -webkit-text-size-adjust: 100% !important;
        touch-action: manipulation !important;
    }

    #page, .site, .site-content, #content, .ast-container, main, section, div, article, aside {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Container safe padding on ultra-narrow viewports (320px Galaxy Fold / iPhone SE) */
    .ag-container, .container, .ast-container, .pattern-detail-container, .ag-join-container {
        padding-left: 14px !important;
        padding-right: 14px !important;
        box-sizing: border-box !important;
    }

    /* ==========================================================================
       2. W3C TOUCH TARGETS, TAP HIGHLIGHT & INPUT AUTO-ZOOM FIX
       ========================================================================== */
    a, button, input, select, textarea, .ag-btn-brand-v2, .brand-btn, .cat-btn, .ag-social-btn {
        -webkit-tap-highlight-color: transparent !important;
        touch-action: manipulation !important;
    }

    /* Force font-size >= 16px on inputs to prevent iOS Safari forced auto-zoom */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="search"],
    input[type="tel"],
    input[type="url"],
    select,
    textarea,
    .ag-input,
    .filter-select,
    .ag-search-form input {
        font-size: 16px !important;
        min-height: 44px !important;
        box-sizing: border-box !important;
    }

    /* Disable sticky hover states on touch screens */
    @media (hover: none) {
        a:hover, button:hover, .ag-btn-brand-v2:hover, .brand-btn:hover {
            transform: none !important;
            box-shadow: none !important;
        }
    }

    /* ==========================================================================
       3. OVERHAUL OF BUTTON PADDING & TRANSITION LINKS (0px Overflow Guarantee)
       ========================================================================== */
    .ag-btn-brand-v2,
    .brand-btn,
    .ag-btn-lead,
    .ag-btn-premium,
    .ag-topbar-btn,
    .cat-btn,
    .parent-link,
    .main-catalog-link,
    .pattern-buy-btn,
    .filter-submit-btn,
    .job-action-btn,
    .ag-join-submit-btn,
    .ag-b2b-submit-btn,
    .ag-social-btn,
    .button,
    .ast-button,
    .woocommerce a.button,
    .woocommerce button.button,
    input[type="submit"],
    button[type="submit"] {
        max-width: 100% !important;
        padding-left: 14px !important;
        padding-right: 14px !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        text-align: center !important;
        font-size: clamp(12px, 3.8vw, 15px) !important;
        min-height: 46px !important;
        height: auto !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    /* ==========================================================================
       4. HEADER, STICKY ADMIN BAR FIX & OFF-CANVAS NAVIGATION
       ========================================================================== */
    /* Logged-In User Header Drop Fix: Sticky flush to top: 0 during mobile scroll */
    body.admin-bar #masthead,
    body.logged-in #masthead,
    #masthead.ag-dynamic-header {
        top: 0 !important;
        position: sticky !important;
        z-index: 99999 !important;
    }

    /* Hamburger Toggle Button - 44x44px Touch Target */
    .ag-mobile-nav-toggle,
    #masthead .ag-mobile-nav-toggle {
        width: 44px !important;
        height: 44px !important;
        z-index: 999999 !important;
        pointer-events: auto !important;
        position: absolute !important;
        left: 12px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 5px !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
    }

    /* Off-Canvas Navigation Menu Drawer (100dvh) */
    .ag-premium-nav .ag-menu-list {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100dvh !important;
        max-width: 100vw !important;
        max-height: 100dvh !important;
        background-color: rgba(17, 17, 17, 0.98) !important;
        backdrop-filter: blur(15px) saturate(110%) !important;
        -webkit-backdrop-filter: blur(15px) saturate(110%) !important;
        z-index: 999998 !important;
        display: none !important;
        flex-direction: column !important;
        justify-content: space-evenly !important;
        align-items: center !important;
        padding: max(60px, env(safe-area-inset-top)) 20px max(30px, env(safe-area-inset-bottom)) !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        overflow-y: auto !important;
    }

    .ag-premium-nav .ag-menu-list.active {
        display: flex !important;
    }

    /* Dedicated Close Cross Button - STRICTLY HIDDEN WHEN MENU IS CLOSED */
    #ag-mobile-menu-close,
    .ag-menu-close-btn {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }

    /* Dedicated Close Cross Button - VISIBLE ONLY WHEN MENU IS OPEN */
    body.ag-mobile-menu-open #ag-mobile-menu-close,
    body.menu-open #ag-mobile-menu-close,
    body.ag-mobile-menu-open .ag-menu-close-btn,
    body.menu-open .ag-menu-close-btn {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        position: fixed !important;
        top: max(16px, env(safe-area-inset-top)) !important;
        right: 16px !important;
        z-index: 999999 !important;
        width: 44px !important;
        height: 44px !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 32px !important;
        color: #ffffff !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
    }

    /* Background Scroll Lock when menu is active */
    body.ag-mobile-menu-open,
    body.menu-open {
        overflow: hidden !important;
        height: 100dvh !important;
        touch-action: none !important;
    }

    /* Menu Link Typography */
    .ag-premium-nav .ag-menu-list li a {
        font-family: var(--ag-font-primary, 'Cormorant Garamond', serif) !important;
        font-size: clamp(16px, 4.5vw, 20px) !important;
        font-weight: 600 !important;
        color: #ffffff !important;
        text-transform: uppercase !important;
        letter-spacing: 1.5px !important;
        padding: 10px 0 !important;
        display: block !important;
        min-height: 44px !important;
        text-align: center !important;
    }

    /* ==========================================================================
       5. HOMEPAGE FLUID TYPOGRAPHY & CARDS
       ========================================================================== */
    .section-header-premium,
    .home-description h2,
    .patterns-section h2 {
        font-size: clamp(22px, 6vw, 32px) !important;
        line-height: 1.25 !important;
        margin-bottom: 16px !important;
    }

    .home-hero h1 {
        font-size: clamp(24px, 7vw, 36px) !important;
    }

    .hero-subtitle {
        font-size: clamp(14px, 4vw, 17px) !important;
    }

    /* ==========================================================================
       6. PATTERN CATALOG & PRODUCT DETAILS (2-Column Mobile Grid)
       ========================================================================== */
    /* 2-Column Mobile Grid for Pattern Catalog */
    .patterns-grid,
    .patterns-archive-grid,
    .ag-patterns-grid,
    .ag-related-patterns-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    @media only screen and (max-width: 340px) {
        .patterns-grid,
        .patterns-archive-grid,
        .ag-patterns-grid,
        .ag-related-patterns-grid {
            gap: 8px !important;
        }
    }

    /* Card styling & Aspect Ratio CLS protection */
    .pattern-card,
    .ag-pattern-card {
        background: rgba(255, 255, 255, 0.85) !important;
        border-radius: 12px !important;
        border: 1px solid rgba(215, 99, 20, 0.15) !important;
        padding: 10px !important;
        box-sizing: border-box !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
    }

    .pattern-image-wrap img,
    .ag-pattern-card img {
        width: 100% !important;
        aspect-ratio: 3 / 4 !important;
        object-fit: cover !important;
        border-radius: 8px !important;
    }

    .pattern-card h3,
    .ag-pattern-card-title {
        font-family: var(--ag-font-primary, 'Cormorant Garamond', serif) !important;
        font-size: clamp(13px, 3.5vw, 15px) !important;
        line-height: 1.25 !important;
        margin: 8px 0 !important;
    }

    /* Single Pattern Hero Layout */
    .pattern-main-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .pattern-title {
        font-size: clamp(22px, 6.5vw, 32px) !important;
    }

    /* Thumbnail Gallery Horizontal Touch-Swipe Strip */
    .ag-pattern-gallery-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        gap: 8px !important;
        padding-bottom: 8px !important;
        scrollbar-width: none !important;
    }

    .ag-pattern-gallery-grid::-webkit-scrollbar {
        display: none !important;
    }

    .ag-gallery-thumb {
        flex: 0 0 64px !important;
        width: 64px !important;
        height: 64px !important;
    }

    /* Full-width 50px Purchase Lead CTA Button */
    .pattern-details-column .pattern-buy-btn,
    .pattern-details-column .ag-btn-lead {
        width: 100% !important;
        height: 50px !important;
        font-size: 17px !important;
        margin-top: 15px !important;
    }

    /* Touch Table Wrapper for Size Charts & Specs */
    .ag-table-touch-wrapper,
    .table-responsive {
        width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        margin-bottom: 20px !important;
    }

    /* ==========================================================================
       7. B2B MOBILE FILTER DRAWER (Шторка)
       ========================================================================== */
    .ag-mobile-filter-trigger {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 8px !important;
        width: 100% !important;
        height: 46px !important;
        background: var(--ag-brand-orange, #D76314) !important;
        color: #ffffff !important;
        border-radius: 8px !important;
        font-family: var(--ag-font-primary, 'Cormorant Garamond', serif) !important;
        font-size: 16px !important;
        font-weight: 600 !important;
        margin-bottom: 20px !important;
        cursor: pointer !important;
    }

    .ag-mobile-filter-drawer {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        max-height: 85dvh !important;
        background: #ffffff !important;
        border-top-left-radius: 20px !important;
        border-top-right-radius: 20px !important;
        box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3) !important;
        z-index: 999995 !important;
        padding: 24px 18px 30px !important;
        box-sizing: border-box !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        display: none;
        animation: agSlideUp 0.3s ease-out;
    }

    .ag-mobile-filter-drawer.active {
        display: block !important;
    }

    .ag-mobile-filter-backdrop {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        background: rgba(0, 0, 0, 0.5) !important;
        z-index: 999994 !important;
        display: none;
    }

    .ag-mobile-filter-backdrop.active {
        display: block !important;
    }

    @keyframes agSlideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }

    /* ==========================================================================
       8. REGISTRATION & ONBOARDING FORM ERGONOMICS (`page-catalog-join.php`)
       ========================================================================== */
    .ag-join-page-wrapper .ag-brand-block,
    .ag-onboarding-container .ag-brand-block {
        padding: 18px 14px !important;
        border-radius: 12px !important;
    }

    .ag-join-branding h1 {
        font-size: clamp(26px, 8vw, 36px) !important;
    }

    .ag-join-tabs {
        flex-direction: row !important;
        width: 100% !important;
        margin-bottom: 20px !important;
    }

    .ag-join-tab-btn {
        flex: 1 !important;
        padding: 12px 6px !important;
        font-size: 14px !important;
        text-align: center !important;
        min-height: 44px !important;
    }

    .ag-social-buttons.reg-flow,
    .ag-social-buttons {
        flex-direction: column !important;
        gap: 10px !important;
        width: 100% !important;
    }

    .ag-social-btn {
        width: 100% !important;
        min-height: 48px !important;
        font-size: 15px !important;
    }

    .ag-social-modal-card {
        width: calc(100vw - 24px) !important;
        max-width: 100vw !important;
        padding: 20px 16px !important;
        border-radius: 16px !important;
        box-sizing: border-box !important;
    }

    /* ==========================================================================
       9. ENTERPRISE PROFILES, VACANCIES, PORTFOLIO & CUSTOM DROPDOWNS
       ========================================================================== */
    /* Factory Profile Specs Grid */
    .ag-enterprise-specs-grid,
    .ag-vacancy-specs-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    /* Video Embed Responsive Aspect Ratio */
    iframe[src*="youtube"],
    iframe[src*="vimeo"],
    video.hero-video-bg {
        max-width: 100% !important;
        width: 100% !important;
        aspect-ratio: 16 / 9 !important;
        height: auto !important;
    }

    /* Custom Select Dropdown Panel Bounds Protection */
    .ag-custom-select-panel,
    .ag-custom-select-options {
        max-height: min(260px, 45vh) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        z-index: 99999 !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Mobile Fullscreen Modals */
    .ag-modal-fullscreen-mobile {
        width: 100vw !important;
        height: 100dvh !important;
        max-width: 100vw !important;
        max-height: 100dvh !important;
        margin: 0 !important;
        border-radius: 0 !important;
        top: 0 !important;
        left: 0 !important;
    }

    /* Floating Action Buttons Responsive Offsets */
    #ast-scroll-top,
    .ast-scroll-top {
        bottom: max(16px, env(safe-area-inset-bottom)) !important;
        right: 16px !important;
        width: 44px !important;
        height: 44px !important;
    }

    #ag-ai-fab-wrapper,
    .ag-ai-fab-wrapper {
        bottom: max(70px, calc(16px + env(safe-area-inset-bottom))) !important;
        right: 16px !important;
    }
}