:root {
            --orange: #F48C06;
            --orange-dark: #D97A06;
            --dark: #03071E;
            --dark-soft: #10122E;
            --teal: #2EC4B6;
            --teal-dark: #22A296;
            --cyan-light: #CBF3F0;
            --gray-light: #F5F5F5;
            --text-light: #FFFFFF;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'IRANSans', Tahoma, Arial, sans-serif;
            background: var(--gray-light);
            color: #222;
        }
        a { text-decoration: none; }

        /* Top announcement strip */
        .top-strip {
            background: linear-gradient(90deg, var(--teal), var(--teal-dark));
            color: #fff; text-align: center; font-size: 13px; padding: 8px 20px;
            position: relative;
        }
        .top-strip a { color: #fff; font-weight: bold; text-decoration: underline; }
        .top-strip .strip-close {
            position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
            cursor: pointer; background: none; border: none; color: #fff; font-size: 15px; opacity: 0.8;
        }
        .top-strip .strip-close:hover { opacity: 1; }

        /* ---------- HEADER ---------- */
        .site-header { background: var(--dark); color: var(--text-light); }
        .header-top {
            position: relative; z-index: 5;
            background: linear-gradient(135deg, rgba(244,140,6,0.10), rgba(46,196,182,0.08));
            display: grid; grid-template-columns: auto minmax(260px, 640px) auto;
            align-items: center; gap: 28px;
            padding: 20px 24px; max-width: 1280px; margin: 0 auto;
        }
        .logo { display: flex; flex-direction: column; line-height: 1.3; white-space: nowrap; }
        .logo .logo-main { font-size: 22px; font-weight: bold; color: var(--orange); }
        .logo .logo-sub { font-size: 11px; color: var(--cyan-light); }

        /* Mobile hamburger button (opens the main nav / category menu on small screens) */
        .mobile-menu-toggle {
            display: none; background: none; border: none; color: var(--text-light);
            cursor: pointer; padding: 8px; align-items: center; justify-content: center;
        }
        .mobile-menu-toggle svg { width: 26px; height: 26px; }

        /* White pill search bar (digikala-style reference) */
        .search-bar {
            width: 100%; height: 48px; display: flex; align-items: center;
            border-radius: 999px; background: linear-gradient(#ffffff, #fbfbfd);
            box-shadow: 0 3px 14px rgba(3,7,30,0.18);
            border: 1px solid rgba(255,255,255,0.5);
            padding: 0 7px 0 16px;
            transition: box-shadow 0.25s, border-color 0.25s;
        }
        .search-bar:focus-within {
            box-shadow: 0 3px 18px rgba(244,140,6,0.32), 0 0 0 2px rgba(244,140,6,0.22);
        }
        .search-icon-btn {
            background: none; border: none; cursor: pointer; padding: 0; margin: 0;
            display: flex; align-items: center; justify-content: center; flex-shrink: 0;
            color: #b0b0bd; transition: color 0.2s;
        }
        .search-icon-btn:hover { color: var(--orange); }
        .search-icon-btn svg { width: 20px; height: 20px; }
        .search-bar input {
            flex: 1; height: 100%; padding: 0 12px; border: none; font-size: 14.5px; font-family: inherit;
            background: transparent; color: #222; min-width: 0;
        }
        .search-bar input::placeholder { color: #a8a8b8; }
        .search-clear-btn {
            width: 28px; height: 28px; border-radius: 50%; border: none; cursor: pointer;
            background: #f0f0f3; color: #888; display: none; align-items: center; justify-content: center;
            flex-shrink: 0; font-size: 13px; transition: background 0.2s;
        }
        .search-clear-btn:hover { background: #e2e2e8; }
        .search-bar.has-text .search-clear-btn { display: flex; }

        /* Search wrapper + suggestions dropdown (technolife-style) */
        .search-wrapper { position: relative; width: 100%; }
        .search-dropdown {
            position: absolute; top: calc(100% + 10px); right: 0; left: 0;
            background: #fff; border-radius: 14px; box-shadow: 0 12px 30px rgba(0,0,0,0.22);
            padding: 16px; z-index: 50; opacity: 0; visibility: hidden; transform: translateY(-6px);
            transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
            max-height: 420px; overflow-y: auto;
        }
        .search-wrapper.open .search-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
        .search-dropdown-hint {
            display: flex; align-items: center; gap: 8px; color: #9a9aa6;
            background: var(--gray-light); border-radius: 10px; padding: 10px 12px; margin-bottom: 14px; font-size: 13px;
        }
        .search-dropdown-hint svg { width: 18px; height: 18px; flex-shrink: 0; }
        .search-dropdown-title { font-size: 13px; font-weight: bold; color: #555; margin-bottom: 10px; }
        .search-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
        .search-tag {
            display: inline-block; padding: 7px 14px; border-radius: 999px; background: var(--gray-light);
            color: #333; font-size: 13px; cursor: pointer; border: 1px solid transparent; transition: all 0.15s;
        }
        .search-tag:hover { background: rgba(244,140,6,0.12); border-color: var(--orange); color: var(--orange-dark); }
        .search-results-list { list-style: none; padding: 0; margin: 0 0 14px; display: none; }
        .search-results-list.show { display: block; }
        .search-results-list li a {
            display: flex; align-items: center; gap: 10px; padding: 8px 6px; border-radius: 8px;
            color: #333; font-size: 13px; transition: background 0.15s;
        }
        .search-results-list li a:hover { background: var(--gray-light); }
        .search-results-list li a img { width: 36px; height: 36px; object-fit: contain; border-radius: 6px; background: var(--gray-light); flex-shrink: 0; }
        .search-result-icon {
            width: 36px; height: 36px; border-radius: 6px; background: var(--gray-light); flex-shrink: 0;
            display: flex; align-items: center; justify-content: center; color: #b5b5c0;
        }
        .search-result-icon svg { width: 18px; height: 18px; }
        .search-result-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
        .search-result-name { font-size: 13px; color: #222; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        .search-result-name strong { color: var(--orange-dark); font-weight: 800; }
        .search-result-category { font-size: 11px; color: #4b7bec; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        .search-no-results { padding: 16px 6px; text-align: center; color: #999; font-size: 13px; }
        .search-modal-bg {
            position: fixed; inset: 0; background: rgba(3,7,30,0.35); z-index: 40;
            opacity: 0; visibility: hidden; transition: opacity 0.18s, visibility 0.18s;
        }
        .search-modal-bg.show { opacity: 1; visibility: visible; }
        .search-ads-banner { margin-top: 16px; display: block; border-radius: 10px; overflow: hidden; line-height: 0; }
        .search-ads-banner img { width: 100%; height: auto; display: block; transition: transform 0.2s; }
        .search-ads-banner:hover img { transform: scale(1.02); }

        .header-icons { display: flex; gap: 12px; align-items: center; white-space: nowrap; }

        /* ---- Consultation glass box (مشاوره قبل از خرید) ---- */
        .consult-box {
            display: flex; align-items: center; gap: 10px; padding: 6px 16px; border-radius: 10px;
            background: rgba(67, 170, 139, 0.32);
            backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(67, 170, 139, 0.75);
            box-shadow: 0 4px 16px rgba(67, 170, 139, 0.30);
            transition: transform 0.15s, background 0.15s; white-space: nowrap;
        }
        .consult-box:hover { transform: translateY(-2px); background: rgba(67, 170, 139, 0.42); border-color: rgba(249, 132, 74, 0.6); }
        .consult-box .consult-icon {
            width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
            background: #f9844a; display: flex; align-items: center; justify-content: center;
        }
        .consult-box .consult-icon svg { width: 16px; height: 16px; color: #fff; }
        .consult-box .consult-text { display: flex; flex-direction: row; align-items: baseline; gap: 6px; }
        .consult-box .consult-label { font-size: 12px; color: #f9844a; font-weight: 700; }
        .consult-box .consult-phone { font-size: 14px; color: #f9844a; font-weight: bold; direction: ltr; }

        .header-actions-col { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }

        /* Glass auth pill */
        .auth-glass {
            display: flex; gap: 14px; align-items: center;
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.18);
            border-radius: 30px; padding: 9px 18px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.15);
        }
        .auth-glass a { color: var(--text-light); font-size: 13px; transition: color 0.2s; }
        .auth-glass a:hover { color: var(--teal); }

        /* Cart button */
        .cart-btn {
            display: flex; align-items: center; gap: 7px;
            background: rgba(244,140,6,0.18);
            backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(244,140,6,0.45);
            padding: 9px 18px; border-radius: 26px; color: #fff; font-size: 13px; position: relative;
            box-shadow: 0 0 16px rgba(244,140,6,0.25); transition: background 0.2s;
        }
        .cart-btn:hover { background: rgba(244,140,6,0.32); }
        .cart-badge {
            background: var(--orange); color: #fff; font-size: 10px; border-radius: 50%;
            padding: 1px 6px; margin-right: 2px;
        }

        /* ---------- MEGA MENU NAV ---------- */
        .main-nav { background: var(--dark-soft); border-top: 1px solid rgba(255,255,255,0.08); }
        .main-nav-inner {
            max-width: 1280px; margin: 0 auto; display: flex; align-items: center;
            justify-content: space-between; gap: 4px; padding: 0 24px;
        }
        .main-nav-items { display: flex; align-items: center; gap: 4px; }
        .nav-item { position: relative; }
        .nav-trigger { display: block; color: var(--text-light); padding: 13px 16px; font-size: 14px; cursor: pointer; transition: color 0.2s, background 0.2s; }
        .nav-item:hover .nav-trigger { color: var(--orange); background: rgba(244,140,6,0.08); }

        /* Categories button (hamburger-style trigger, like reference) */
        .categories-trigger {
            display: flex; align-items: center; gap: 8px;
            background: var(--orange); color: #fff !important; font-weight: bold;
            padding: 13px 18px; margin: 0; border-radius: 0;
        }
        .categories-trigger:hover, .nav-item:hover .categories-trigger {
            background: var(--orange-dark); color: #fff !important;
        }
        .categories-trigger svg { width: 19px; height: 19px; flex-shrink: 0; }
        .categories-trigger .chevron { width: 12px; height: 12px; margin-right: 2px; transition: transform 0.2s; }
        .nav-item.open .categories-trigger .chevron { transform: rotate(180deg); }
        .mega-dropdown {
            display: none; position: absolute; top: 100%; right: 0; background: #fff; color: #222;
            box-shadow: 0 10px 30px rgba(0,0,0,0.25); border-radius: 0 0 10px 10px; border-top: 3px solid var(--orange);
            padding: 24px; min-width: 640px; max-width: 900px; z-index: 200;
            flex-wrap: wrap; gap: 28px; max-height: 420px; overflow-y: auto;
        }
        /* Click/tap-to-open works on every device (mouse + touch). Hover is an extra
           convenience layer, only enabled for devices that actually have real hover (desktop mouse),
           so it never gets "stuck open" on touch screens. */
        .nav-item.open .mega-dropdown { display: flex; }
        @media (hover: hover) and (pointer: fine) {
            .nav-item:hover .categories-trigger .chevron { transform: rotate(180deg); }
            .nav-item:hover .mega-dropdown { display: flex; }
        }
        .mega-column { min-width: 150px; }
        .mega-column h4 {
            color: var(--teal-dark); margin-bottom: 10px; font-size: 14px;
            border-bottom: 1px solid var(--cyan-light); padding-bottom: 8px;
        }
        .mega-column a { display: block; color: #333; padding: 5px 8px; font-size: 13px; border-radius: 6px; transition: all 0.15s; }
        .mega-column a:hover { color: var(--orange-dark); background: var(--cyan-light); }
        .mega-empty { color: #999; font-size: 13px; padding: 10px 0; }

        /* ---------- RESPONSIVE / MOBILE NAV ---------- */
        @media (max-width: 860px) {
            .header-top {
                grid-template-columns: 1fr auto;
                grid-template-areas: "logo toggle" "search search" "actions actions";
                row-gap: 14px; padding: 16px 16px;
            }
            .logo { grid-area: logo; }
            .mobile-menu-toggle { display: flex; grid-area: toggle; }
            .search-wrapper { grid-area: search; }
            .header-actions-col { grid-area: actions; align-items: stretch; }
            .header-icons { justify-content: space-between; }
            .auth-glass {
                flex: 1; min-width: 0; overflow: hidden;
                justify-content: space-between; gap: 6px; padding: 8px 12px;
            }
            .auth-glass a { font-size: 11.5px; white-space: nowrap; }
            .consult-box { margin: 14px 20px 18px; width: calc(100% - 40px); justify-content: center; }

            .main-nav-inner { flex-direction: column; align-items: stretch; padding: 0; }
            .main-nav-items {
                flex-direction: column; align-items: stretch; width: 100%;
                max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
            }
            .main-nav.nav-open .main-nav-items { max-height: 2000px; }
            .nav-item { width: 100%; }
            .nav-trigger, .categories-trigger { width: 100%; padding: 14px 20px; }
            .mega-dropdown {
                position: static; box-shadow: none; border-radius: 0; border-top: 1px solid rgba(255,255,255,0.08);
                min-width: 0; max-width: none; width: 100%; background: #fff;
            }
        }

        /* ---------- GENERIC CONTAINER ---------- */
        .container {
            max-width: 500px; margin: 60px auto; background: #fff; border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.08); padding: 32px;
        }
        .container.wide { max-width: 960px; }
        .container.full { max-width: 1280px; box-shadow: none; background: transparent; padding: 24px; margin: 0 auto; }
        .hero-full:empty { display: none; }

        h1, h2 { color: var(--dark); margin-bottom: 20px; }
        label { display: block; margin-top: 14px; margin-bottom: 6px; font-size: 14px; color: #444; }
        input[type="text"], input[type="email"], input[type="password"], textarea {
            width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px; font-family: inherit;
        }
        input:focus, textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(244,140,6,0.15); }
        button, .btn {
            display: inline-block; margin-top: 22px; width: 100%; padding: 12px; background: var(--orange);
            color: #fff; border: none; border-radius: 8px; font-size: 15px; font-weight: bold; cursor: pointer;
            transition: background 0.2s; text-align: center; text-decoration: none;
        }
        button:hover, .btn:hover { background: var(--orange-dark); }
        .errorlist { color: #d32f2f; list-style: none; margin-top: 8px; font-size: 13px; }
        .messages { list-style: none; margin-bottom: 16px; max-width: 1280px; margin-left: auto; margin-right: auto; padding: 16px 24px 0; }
        .messages li { padding: 10px 14px; border-radius: 8px; margin-bottom: 8px; font-size: 14px; }
        .messages .success { background: #e6f7e6; color: #2e7d32; }
        .messages .info { background: var(--cyan-light); color: var(--teal-dark); }
        .messages .error { background: #fdecea; color: #c62828; }
        .footer-link { text-align: center; margin-top: 20px; font-size: 14px; }
        .footer-link a { color: var(--orange); }


        /* ---------- Customer contact widget ---------- */
        /* bottom offset stacked ABOVE the WhatsApp button (58px height + 24px gap + 14px breathing room) so the two floating buttons never overlap.
           Selector specificity raised (body .customer-chat) on purpose: search-bar.css loads AFTER this block, and if it also
           targets .customer-chat with a plain class selector, this rule needs to win the cascade regardless. */
        body .customer-chat { position: fixed; left: 24px; bottom: 110px; z-index: 1000; direction: rtl; font-family: 'IRANSans', Tahoma, Arial, sans-serif; }
        .customer-chat-fab { position:relative; width:60px; height:60px; border:0; border-radius:50%; background:linear-gradient(145deg,#43aa8b 0%,#2f9074 100%); color:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow:0 10px 26px rgba(67,170,139,.34), inset 0 1px 0 rgba(255,255,255,.22); transition:transform .22s ease,box-shadow .22s ease; }
        .customer-chat-fab:hover { transform:translateY(-3px) scale(1.04); box-shadow:0 15px 34px rgba(67,170,139,.44), inset 0 1px 0 rgba(255,255,255,.25); }
        .customer-chat-fab svg { width:31px; height:31px; }
        /* لیبل بالای آیکون میشینه (نه هم‌ردیفش) و دم‌ش از پایین به سمت آیکون اشاره می‌کنه */
        .customer-chat-hover-label { position:absolute; left:-6px; bottom:74px; transform:translateY(8px); width:188px; min-height:66px; box-sizing:border-box; padding:11px 15px 10px; background:rgba(255,255,255,.98); color:#17211e; border:1px solid rgba(67,170,139,.18); border-radius:14px; box-shadow:0 12px 30px rgba(3,7,30,.16); opacity:0; visibility:hidden; transition:opacity .2s ease,transform .2s ease; pointer-events:none; white-space:nowrap; text-align:right; direction:rtl; }
        .customer-chat-hover-label::before { content:""; position:absolute; left:24px; bottom:-7px; width:13px; height:13px; background:#fff; border-bottom:1px solid rgba(67,170,139,.18); border-right:1px solid rgba(67,170,139,.18); transform:rotate(45deg); }
        .customer-chat-hover-label strong { display:block; margin:0; padding:0; color:#18231f; font-family:'IRANSans',Tahoma,Arial,sans-serif; font-size:15px; line-height:1.45; font-weight:800; letter-spacing:-.25px; }
        .customer-chat-hover-label span { display:flex; align-items:center; justify-content:flex-start; gap:6px; margin-top:3px; padding:0; color:#43816e; font-family:'IRANSans',Tahoma,Arial,sans-serif; font-size:11.5px; line-height:1.5; font-weight:700; }
        .customer-chat-hover-label i { flex:0 0 7px; width:7px; height:7px; border-radius:50%; background:#43aa8b; display:inline-block; box-shadow:0 0 0 3px rgba(67,170,139,.13); }
        .customer-chat:hover .customer-chat-hover-label, .customer-chat:focus-within .customer-chat-hover-label { opacity:1; visibility:visible; transform:translateY(0); }
        .customer-chat.open .customer-chat-hover-label { opacity:0; visibility:hidden; }
        @media (max-width:600px) { .customer-chat-hover-label { left:-4px; bottom:68px; width:170px; min-width:170px; min-height:62px; padding:10px 13px 9px; transform:translateY(8px); } .customer-chat-hover-label strong{font-size:14px;} .customer-chat-hover-label span{font-size:10.5px;} }
        .customer-chat-pulse { position:absolute; width:11px; height:11px; top:4px; right:4px; background:#F48C06; border:2px solid #fff; border-radius:50%; }
        .customer-chat-panel { position:absolute; left:0; bottom:72px; width:355px; max-width:calc(100vw - 32px); max-height:calc(100vh - 140px); background:#fff; border:1px solid rgba(3,7,30,.08); border-radius:20px; overflow:hidden; box-shadow:0 22px 60px rgba(3,7,30,.25); opacity:0; visibility:hidden; transform:translateY(12px) scale(.97); transform-origin:bottom left; transition:all .2s ease; }
        .customer-chat.open .customer-chat-panel { opacity:1; visibility:visible; transform:translateY(0) scale(1); }
        .customer-chat-head { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:18px 18px 16px; background:linear-gradient(135deg,#03071E,#10122E); color:#fff; }
        .customer-chat-head strong { display:block; font-size:15px; margin-bottom:5px; }
        .customer-chat-head span { display:flex; align-items:center; gap:6px; color:#CBF3F0; font-size:10px; }
        .customer-chat-head i { width:7px; height:7px; border-radius:50%; background:#2EC4B6; display:inline-block; }
        .customer-chat-close { border:0; background:rgba(255,255,255,.1); color:#fff; width:30px; height:30px; border-radius:50%; cursor:pointer; font-size:21px; line-height:1; }
        .customer-chat-body { padding:15px; }
        .customer-chat-welcome { background:#f6f8f9; border-radius:12px; padding:11px 12px; color:#555; font-size:11px; line-height:1.9; margin-bottom:12px; }
        .customer-chat-form { display:flex; flex-direction:column; gap:6px; }
        .customer-chat-form label { font-size:11px; color:#555; font-weight:700; margin-top:3px; }
        .customer-chat-form input,.customer-chat-form textarea { width:100%; border:1px solid #e6e7eb; border-radius:10px; padding:10px 11px; outline:none; font-family:inherit; font-size:12px; color:#222; background:#fff; transition:border-color .18s,box-shadow .18s; }
        .customer-chat-form textarea { resize:vertical; min-height:76px; }
        .customer-chat-form input:focus,.customer-chat-form textarea:focus { border-color:rgba(46,196,182,.7); box-shadow:0 0 0 3px rgba(46,196,182,.1); }
        .customer-chat-form button { margin-top:5px; border:0; border-radius:11px; padding:11px 14px; background:linear-gradient(135deg,#F48C06,#df7600); color:#fff; font-family:inherit; font-size:12px; font-weight:700; cursor:pointer; transition:transform .18s,box-shadow .18s; }
        .customer-chat-form button:hover { transform:translateY(-1px); box-shadow:0 6px 15px rgba(244,140,6,.25); }
        .customer-chat-form button span { margin-right:7px; font-size:16px; }
        .customer-chat-note { color:#999; font-size:9px; text-align:center; margin-top:9px; }
        @media (max-width:600px) { body .customer-chat { left:14px; bottom:226px; } .customer-chat-fab { width:54px; height:54px; } .customer-chat-panel { bottom:65px; width:calc(100vw - 28px); max-width:none; } }

        /* ---------- FOOTER ---------- */
        .footer-inner { max-width: 1280px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; position: relative; z-index: 1; }
        .footer-col h5 { color: var(--orange); margin-bottom: 12px; font-size: 14px; }
        .footer-col a { display: block; color: #d8d8e2; padding: 3px 0; transition: color 0.2s; }
        .footer-col a:hover { color: var(--teal); }
        .footer-col a.inline-link { display: inline; padding: 0; }
        .footer-col p { padding: 3px 0; line-height: 1.8; }
        .footer-bottom { position: relative; z-index: 1; text-align: center; margin-top: 30px; color: #9a9aae; border-top: 1px solid rgba(255,255,255,0.12); padding-top: 16px; }

        /* ---------- FLOATING WHATSAPP BUTTON ---------- */
        /* body prefix: same cascade-safety reasoning as .customer-chat above, since search-bar.css loads after this block. */
        body .whatsapp-float {
            position: fixed; bottom: 24px; left: 24px; z-index: 999;
            width: 58px; height: 58px; border-radius: 50%;
            background: #25D366; display: flex; align-items: center; justify-content: center;
            box-shadow: 0 4px 16px rgba(37,211,102,0.5);
            transition: transform 0.2s, box-shadow 0.2s;
            animation: wa-pulse 2.4s infinite;
        }
        .whatsapp-float:hover { transform: scale(1.08); box-shadow: 0 6px 22px rgba(37,211,102,0.65); }
        .whatsapp-float svg { width: 30px; height: 30px; }
        @keyframes wa-pulse {
            0% { box-shadow: 0 4px 16px rgba(37,211,102,0.5), 0 0 0 0 rgba(37,211,102,0.4); }
            70% { box-shadow: 0 4px 16px rgba(37,211,102,0.5), 0 0 0 14px rgba(37,211,102,0); }
            100% { box-shadow: 0 4px 16px rgba(37,211,102,0.5), 0 0 0 0 rgba(37,211,102,0); }
        }
        @media (max-width: 600px) {
            body .whatsapp-float { bottom: 150px; left: 16px; width: 52px; height: 52px; }
            .whatsapp-float svg { width: 26px; height: 26px; }
        }

        /* ---------- MOBILE BOTTOM NAV BAR ---------- */
        .mobile-bottom-nav {
            display: none;
        }
        @media (max-width: 600px) {
            body { padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px)); }

            .mobile-bottom-nav {
                display: flex; align-items: center; justify-content: space-around;
                position: fixed; left: 30px; right: 30px; bottom: 18px; z-index: 998;
                background: rgba(9, 13, 33, 0.72);
                backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255,255,255,0.09);
                border-radius: 26px;
                box-shadow: 0 14px 40px rgba(3,7,30,0.5), inset 0 1px 0 rgba(255,255,255,0.06);
                padding: 9px 6px calc(9px + env(safe-area-inset-bottom, 0px));
            }
            .mbn-item {
                position: relative; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
                gap: 4px; padding: 4px 2px; color: rgba(255,255,255,0.42); text-decoration: none;
                transition: color 0.35s ease, transform 0.35s cubic-bezier(.34,1.56,.64,1);
            }
            .mbn-item:active { transform: scale(0.9); }
            .mbn-icon-wrap {
                position: relative; width: 32px; height: 32px; border-radius: 50%;
                display: flex; align-items: center; justify-content: center;
                transition: all 0.35s cubic-bezier(.34,1.56,.64,1);
            }
            .mbn-icon-wrap svg { width: 18px; height: 18px; transition: all 0.3s ease; }
            .mbn-label { font-size: 10px; transition: color 0.35s ease, opacity 0.3s ease; }
            .mbn-badge {
                position: absolute; top: -2px; left: -4px; background: var(--orange); color: #fff;
                font-size: 9px; line-height: 1; border-radius: 50%; padding: 3px 5px; font-weight: 700;
                box-shadow: 0 0 0 2px #0a0e21; z-index: 1;
            }

            /* تب فعال: بزرگ‌تر می‌شه، از خط نوار بالاتر میاد و یه هاله‌ی نارنجیِ نرم دورش می‌زنه */
            .mbn-item.active { color: #fff; transform: translateY(-13px); }
            .mbn-item.active .mbn-icon-wrap {
                width: 50px; height: 50px;
                background: radial-gradient(circle, rgba(244,140,6,0.32), rgba(244,140,6,0.04) 72%);
                box-shadow: 0 0 0 1.5px rgba(244,140,6,0.9), 0 0 22px 3px rgba(244,140,6,0.5), 0 10px 22px rgba(3,7,30,0.5);
                animation: mbn-glow 2.6s ease-in-out infinite;
            }
            .mbn-item.active .mbn-icon-wrap svg { width: 21px; height: 21px; color: var(--orange); filter: drop-shadow(0 0 6px rgba(244,140,6,0.75)); }
            .mbn-item.active::after {
                content: ''; position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%);
                width: 42px; height: 14px; border-radius: 50%; filter: blur(7px); pointer-events: none;
                background: radial-gradient(ellipse, rgba(244,140,6,0.45), transparent 72%);
            }
            @keyframes mbn-glow {
                0%, 100% { box-shadow: 0 0 0 1.5px rgba(244,140,6,0.85), 0 0 18px 2px rgba(244,140,6,0.45), 0 10px 22px rgba(3,7,30,0.5); }
                50% { box-shadow: 0 0 0 1.5px rgba(244,140,6,1), 0 0 30px 6px rgba(244,140,6,0.7), 0 10px 24px rgba(3,7,30,0.5); }
            }
        }

        /* ---------- MOBILE FIXED "ADD TO CART" TOP BAR ---------- */
        /* یه نوار سبک، جدا از کارت‌های محصول، که زیر هدر (به‌صورت sticky) می‌شینه و
           تعداد کالای سبد خرید رو نشون می‌ده. کاملاً مستقل از نوار پایین موبایله،
           پس هیچ‌وقت روی دکمه‌ی «افزودن به سبد خرید» کارت‌ها نمی‌افته. */
        .mobile-cart-bar { display: none; }
        @media (max-width: 600px) {
            .mobile-cart-bar {
                display: flex; align-items: center; justify-content: space-between; gap: 10px;
                position: sticky; top: 0; z-index: 500;
                background: linear-gradient(90deg, var(--dark), var(--dark-soft));
                color: #fff; padding: 10px 14px;
                box-shadow: 0 4px 14px rgba(3,7,30,0.25);
            }
            .mobile-cart-bar.mcb-hidden { display: none; }
            .mcb-info { display: flex; align-items: center; gap: 8px; font-size: 13px; }
            .mcb-icon { font-size: 16px; }
            .mcb-count {
                background: var(--orange); color: #fff; font-weight: 800; font-size: 11px;
                border-radius: 50%; min-width: 18px; height: 18px; display: inline-flex;
                align-items: center; justify-content: center; padding: 0 2px;
            }
            .mcb-btn {
                background: var(--orange); color: #fff; font-size: 12px; font-weight: 700;
                padding: 7px 14px; border-radius: 20px; white-space: nowrap;
            }
            .mcb-btn:hover { background: var(--orange-dark); }
        }

        /* ---------- SHARED PRODUCT CARD (used across home, list, detail) ---------- */
        .product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
        .product-card {
            background: #fff; border-radius: 14px; box-shadow: 0 2px 10px rgba(0,0,0,0.06);
            padding: 14px; display: flex; flex-direction: column; position: relative;
            transition: transform 0.2s, box-shadow 0.2s; border: 1px solid transparent;
        }
        .product-card:hover { transform: translateY(-5px); box-shadow: 0 10px 24px rgba(0,0,0,0.12); border-color: var(--cyan-light); }
        .product-card img { width: 100%; height: 140px; object-fit: contain; margin-bottom: 10px; }
        .product-card .no-image {
            width: 100%; height: 140px; background: #f4f4f4; border-radius: 8px; margin-bottom: 10px;
            display: flex; align-items: center; justify-content: center; color: #aaa; font-size: 13px;
        }
        .product-card h3 { font-size: 13px; color: #222; margin-bottom: 6px; min-height: 34px; font-weight: 600; }
        .discount-badge {
            position: absolute; top: 10px; left: 10px; background: linear-gradient(135deg, var(--orange), var(--orange-dark));
            color: #fff; font-size: 11px; font-weight: bold; padding: 3px 10px; border-radius: 20px; z-index: 2;
            box-shadow: 0 2px 8px rgba(244,140,6,0.4);
        }
        .price-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
        .price-row .final {
            color: var(--orange-dark); font-weight: bold; font-size: 17px; letter-spacing: 0.3px;
            display: inline-flex; align-items: baseline; gap: 4px; direction: ltr; unicode-bidi: plaintext;
        }
        .price-row .final .rial-unit { font-size: 11px; font-weight: 600; color: #8a8a95; direction: rtl; }
        .price-row .original {
            color: #aaa; font-size: 12px; text-decoration: line-through; direction: ltr; unicode-bidi: plaintext;
        }
        .product-card form { margin-top: auto; }
        .product-card button { margin-top: 0; padding: 9px; font-size: 13px; border-radius: 8px; }
        .breadcrumb { font-size: 13px; color: #888; margin-bottom: 16px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
        .breadcrumb a { color: #888; }
        .breadcrumb a:hover { color: var(--orange); }
        .filter-chip {
            display: inline-flex; align-items: center; gap: 8px; background: var(--cyan-light); color: var(--teal-dark);
            padding: 6px 14px; border-radius: 20px; font-size: 13px; margin-bottom: 16px;
        }
        .filter-chip a { color: var(--teal-dark); font-weight: bold; }
        .stock-badge {
            display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; padding: 5px 12px;
            border-radius: 20px; margin-bottom: 14px; font-weight: bold;
        }
        .stock-badge.in-stock { background: #e6f7e6; color: #2e7d32; }
        .stock-badge.low-stock { background: #fff3e0; color: #e65100; }
        .stock-badge.out-stock { background: #fdecea; color: #c62828; }
        .qty-stepper { display: flex; align-items: center; border: 1px solid #ddd; border-radius: 8px; overflow: hidden; }
        .qty-stepper button {
            width: 38px; height: 40px; margin: 0; background: var(--gray-light); color: var(--dark); border: none;
            font-size: 18px; cursor: pointer; border-radius: 0; padding: 0;
        }
        .qty-stepper button:hover { background: var(--cyan-light); }
        .qty-stepper input {
            width: 46px; height: 40px; text-align: center; border: none; border-right: 1px solid #ddd; border-left: 1px solid #ddd;
            font-size: 14px; border-radius: 0; padding: 0;
        }

        /* ---- Add-to-cart toast notification (no full page reload needed) ---- */
        .cart-toast {
            position: fixed; bottom: 24px; right: 50%; transform: translate(50%, 20px);
            background: var(--dark); color: #fff; padding: 12px 22px; border-radius: 10px;
            font-size: 13.5px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); z-index: 1200;
            opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease; display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .cart-toast.show { opacity: 1; transform: translate(50%, 0); }
        .cart-toast .toast-icon { color: var(--teal); font-size: 15px; }
        @media (max-width: 600px) {
            .cart-toast { right: 16px; left: 16px; transform: translateY(20px); white-space: normal; text-align: center; }
            .cart-toast.show { transform: translateY(0); }
        }

        /* ---- Add-to-cart success state + quantity stepper (product cards) ---- */
        .add-to-cart-form button[type="submit"] { transition: background 0.2s, transform 0.15s; }
        .add-to-cart-form button[type="submit"].just-added {
            background: #52b788 !important; transform: scale(0.97);
        }
        .add-to-cart-form button[type="submit"].view-cart-btn,
        .sbb-btn.view-cart-btn {
            background: #52b788 !important;
        }
        .add-to-cart-form button[type="submit"].view-cart-btn:hover,
        .sbb-btn.view-cart-btn:hover {
            background: #43a578 !important;
        }
        .qty-stepper {
            display: flex; align-items: center; justify-content: center; gap: 0;
            border: 1.5px solid #52b788; border-radius: 8px; overflow: hidden; height: 38px;
        }
        .qty-stepper .qty-btn {
            width: 36px; height: 100%; border: none; background: #fff; color: #52b788;
            font-size: 18px; font-weight: bold; cursor: pointer; transition: background 0.15s;
            display: flex; align-items: center; justify-content: center;
        }
        .qty-stepper .qty-btn:hover { background: rgba(82,183,136,0.12); }
        .qty-stepper .qty-btn:disabled { color: #ccc; cursor: not-allowed; background: #fff; }
        .qty-stepper .qty-value {
            flex: 1; text-align: center; font-size: 14px; font-weight: bold; color: #2f6b4f;
            background: rgba(82,183,136,0.08); height: 100%; display: flex; align-items: center; justify-content: center;
            min-width: 34px;
        }

        .customer-chat-messages {
            display: flex; flex-direction: column; gap: 10px;
            max-height: 320px; overflow-y: auto; padding: 4px 2px 10px;
        }
        .chat-bubble {
            max-width: 82%; padding: 9px 13px; border-radius: 14px; font-size: 13.5px; line-height: 1.6;
            word-wrap: break-word;
        }
        .chat-bubble.user {
            align-self: flex-end; background: var(--orange); color: #fff; border-bottom-left-radius: 4px;
        }
        .chat-bubble.admin {
            align-self: flex-start; background: var(--gray-light); color: #222; border-bottom-right-radius: 4px;
        }
        .chat-bubble-time { display: block; font-size: 10px; opacity: .65; margin-top: 4px; }
        .chat-bubble-img { display: block; max-width: 100%; max-height: 200px; border-radius: 10px; margin-bottom: 6px; cursor: pointer; }
        .chat-bubble-file {
            display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px;
            background: rgba(255,255,255,0.18); color: inherit; text-decoration: none; font-size: 12.5px; margin-bottom: 4px;
        }
        .chat-bubble.admin .chat-bubble-file { background: rgba(0,0,0,0.06); }
        .chat-bubble-file svg { flex-shrink: 0; }

        .customer-chat-input-row { border-top: 1px solid #eee; padding-top: 10px; }
        .cci-main { display: flex; flex-direction: column; gap: 8px; }
        .cci-row { display: flex; align-items: flex-end; gap: 8px; }
        .customer-chat-input-row textarea {
            flex: 1; resize: none; border: 1px solid #ddd; border-radius: 10px; padding: 8px 10px;
            font-family: inherit; font-size: 13.5px; max-height: 90px;
        }
        .customer-chat-input-row button[type="submit"] {
            background: var(--orange); border: none; color: #fff; width: 38px; height: 38px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0;
        }
        .customer-chat-input-row button[type="submit"]:hover { background: var(--orange-dark); }
        .chat-attach-btn {
            background: var(--gray-light); border: none; color: #555; width: 38px; height: 38px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: background 0.15s;
        }
        .chat-attach-btn:hover { background: #e4e4e8; }
        .chat-attach-btn.has-file { background: var(--orange); color: #fff; }
        .chat-attach-preview {
            display: flex; align-items: center; gap: 8px; background: var(--gray-light); border-radius: 10px;
            padding: 6px 8px; font-size: 12px; color: #444;
        }
        .chat-attach-preview img { width: 34px; height: 34px; object-fit: cover; border-radius: 6px; }
        .chat-attach-preview .cap-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
        .chat-attach-preview .cap-remove {
            border: none; background: none; color: #999; cursor: pointer; font-size: 15px; line-height: 1; padding: 2px 4px;
        }
        .chat-attach-preview .cap-remove:hover { color: #d32f2f; }