/* =====================================================================================================
   KINGLUX - kl2/kl2.css : lop giao dien V4 (mockup v2 ban 5, anh duyet 27/10/2026 17:41) - nap SAU style.css + bootstrap
   Chi luat co tien to kl2- (khong dung luat cu az-kl-*) ; bien mau / phong o :root de cac tep kl2/*.css dung chung.
   Tep cung bo : kl2/home.css (trang chu), kl2/product.css (danh muc + chi tiet), kl2/luxer.css (Luxer Club + chinh sach).
   ===================================================================================================== */
:root {
    --kl-bg: #000000; --kl-bg2: #0B0B0B; --kl-panel: #121212; --kl-panel2: #161616; --kl-line: #1F1F1F; --kl-line2: #2A2A2A;
    --kl-gold: #ECAE20; --kl-gold2: #F5C24C; --kl-gold-dim: #6B5212; --kl-gold-bg: #1C1606; --kl-ink: #111111;
    --kl-text: #F2F2F2; --kl-soft: #D9D9D9; --kl-muted: #A6A6A6; --kl-faint: #8C8C8C; --kl-hot: #F1592A; --kl-ok: #3FB950;
    --kl-lv1: #2E3550; --kl-lv2: #5B4A2E; --kl-lv3: #8C6A1F; --kl-lv4: #BF8A12; --kl-lv5: #E0A512; --kl-lv6: #F5C232; --kl-lv7: #FFE07A;
    --kl-font: 'Nunito Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --kl-font-h: 'Montserrat', 'Nunito Sans', sans-serif;
    --kl-max: 1360px; --kl-pad: 24px; --kl-r: 14px; --kl-r-lg: 18px;
}
@media (max-width: 640px) { :root { --kl-pad: 16px; } }

/* ---------- nen chung (chi trong body.kl2) ---------- */
body.kl2 { background: var(--kl-bg); color: var(--kl-text); font-family: var(--kl-font); font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
/* style.css cu dat :where(.az-kl-site *) { font-family: UTM-Avo } cho MOI the -> the con khong ke thua phong moi ; cung do uu tien 0, kl2.css nap sau nen thang */
:where(body.kl2 *) { font-family: inherit; }
body.kl2 a { color: var(--kl-gold); }
body.kl2 a:hover { color: var(--kl-gold2); }
.kl2 button, .kl2 input, .kl2 select, .kl2 textarea { font: inherit; }
.kl2-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.kl2-wrap { max-width: var(--kl-max); margin: 0 auto; padding-left: var(--kl-pad); padding-right: var(--kl-pad); box-sizing: border-box; }
.kl2-sec { padding-top: 44px; padding-bottom: 12px; }
.kl2-hide { display: none !important; }
.kl2-hov:hover { filter: brightness(1.1); }

/* ---------- chu ---------- */
.kl2-eyebrow { font-family: var(--kl-font-h); font-size: 11.5px; font-weight: 800; letter-spacing: 0.14em; color: var(--kl-gold); text-transform: uppercase; }
.kl2-h1 { margin: 0; font-family: var(--kl-font-h); font-size: clamp(26px, 3.2vw, 38px); line-height: 1.15; font-weight: 800; color: #FFFFFF; text-transform: uppercase; text-wrap: balance; }
.kl2-h2 { margin: 0; font-family: var(--kl-font-h); font-size: clamp(20px, 2.4vw, 28px); line-height: 1.2; font-weight: 800; color: #FFFFFF; text-transform: uppercase; text-wrap: balance; }
.kl2-h3 { margin: 0; font-size: 17px; font-weight: 800; color: #FFFFFF; }
.kl2-lead { margin: 0; color: var(--kl-soft); font-size: 15.5px; }
.kl2-muted { color: var(--kl-muted); }
.kl2-gold { color: var(--kl-gold); }
.kl2-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 10px 20px; margin-bottom: 18px; }
.kl2-head a.kl2-more { font-weight: 800; text-decoration: none; white-space: nowrap; }

/* ---------- nut ---------- */
.kl2-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: 12px; border: 1px solid var(--kl-gold);
    background: var(--kl-gold); color: var(--kl-ink) !important; font-weight: 900; font-size: 14.5px; letter-spacing: 0.02em; text-decoration: none; cursor: pointer; box-sizing: border-box; }
.kl2-btn:hover { filter: brightness(1.08); color: var(--kl-ink) !important; }
.kl2-btn-ghost { background: transparent; color: var(--kl-gold) !important; }
.kl2-btn-ghost:hover { background: var(--kl-gold-bg); color: var(--kl-gold2) !important; }
.kl2-btn-dark { background: var(--kl-panel); border-color: var(--kl-line2); color: var(--kl-text) !important; }
.kl2-btn-sm { min-height: 36px; padding: 0 14px; border-radius: 10px; font-size: 13.5px; }
.kl2-btn-lg { min-height: 52px; padding: 0 26px; font-size: 15.5px; letter-spacing: 0.04em; }
.kl2-btn[disabled], .kl2-btn.kl2-busy { opacity: 0.55; pointer-events: none; }
.kl2-chip { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--kl-line2); background: var(--kl-panel);
    color: var(--kl-soft) !important; font-size: 13.5px; font-weight: 700; text-decoration: none; white-space: nowrap; cursor: pointer; }
.kl2-chip:hover, .kl2-chip.kl2-on { border-color: var(--kl-gold); color: var(--kl-gold) !important; }
.kl2-chip.kl2-on { background: var(--kl-gold-bg); }

/* ---------- dong lumen + so cap ---------- */
.kl2-lumen { display: inline-block; width: 18px; height: 18px; flex: none; vertical-align: -3px; }
.kl2-lumen svg { display: block; width: 100%; height: 100%; }
.kl2-lv { width: 30px; height: 30px; flex: none; box-sizing: border-box; border-radius: 50%; display: inline-grid; place-items: center; font-size: 14px; font-weight: 900; line-height: 1;
    background: var(--kl-lv1); color: #FFFFFF; }
.kl2-lv[data-lv="1"] { background: var(--kl-lv1); color: #FFFFFF; box-shadow: 0 0 10px 2px rgba(130,150,200,0.45); }
.kl2-lv[data-lv="2"] { background: var(--kl-lv2); color: #FFFFFF; box-shadow: 0 0 10px 2px rgba(200,160,90,0.45); }
.kl2-lv[data-lv="3"] { background: var(--kl-lv3); color: #FFFFFF; box-shadow: 0 0 10px 2px rgba(214,170,80,0.5); }
.kl2-lv[data-lv="4"] { background: var(--kl-lv4); color: #111111; box-shadow: 0 0 10px 3px rgba(232,180,60,0.55); }
.kl2-lv[data-lv="5"] { background: var(--kl-lv5); color: #111111; box-shadow: 0 0 12px 3px rgba(245,200,60,0.6); }
.kl2-lv[data-lv="6"] { background: var(--kl-lv6); color: #111111; box-shadow: 0 0 12px 4px rgba(250,215,90,0.65); }
.kl2-lv[data-lv="7"] { background: var(--kl-lv7); color: #111111; box-shadow: 0 0 14px 5px rgba(255,230,140,0.75); }
.kl2-lv-sm { width: 22px; height: 22px; font-size: 11.5px; }
.kl2-lv-lg { width: 44px; height: 44px; font-size: 19px; }

/* ---------- dau trang ---------- */
.kl2-header { position: sticky; top: 0; z-index: 1000; background: var(--kl-bg); border-bottom: 1px solid #1C1C1C; }
.kl2-header-in { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 28px; padding-top: 10px; padding-bottom: 10px; }
.kl2-logo { display: flex; align-items: center; margin: 0; }
.kl2-logo img { height: 46px; width: auto; display: block; }
.kl2-nav { flex: 1 1 640px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 24px; font-size: 15px; margin: 0; padding: 0; list-style: none; }
.kl2-nav > li { position: relative; list-style: none; }
.kl2-nav > li > a { color: var(--kl-gold); text-decoration: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; padding: 10px 0; }
.kl2-nav > li > a:hover, .kl2-nav > li > a.kl2-on { color: var(--kl-gold2); }
.kl2-nav .kl2-caret { width: 10px; height: 10px; }
.kl2-sub { position: absolute; left: 50%; top: 100%; transform: translateX(-50%); min-width: 260px; background: var(--kl-panel); border: 1px solid var(--kl-line2); border-radius: var(--kl-r);
    padding: 8px; margin: 0; list-style: none; display: none; z-index: 1001; box-shadow: 0 18px 40px rgba(0,0,0,0.6); max-height: 70vh; overflow-y: auto; }
.kl2-nav > li:hover > .kl2-sub, .kl2-nav > li:focus-within > .kl2-sub { display: block; }
.kl2-sub a { display: block; padding: 9px 12px; border-radius: 9px; color: var(--kl-soft); text-decoration: none; font-size: 14.5px; }
.kl2-sub a:hover { background: var(--kl-gold-bg); color: var(--kl-gold); }
.kl2-tools { display: flex; align-items: center; gap: 8px; }
.kl2-icon-btn { width: 44px; height: 44px; border: 0; background: transparent; display: grid; place-items: center; cursor: pointer; position: relative; color: var(--kl-gold); padding: 0; }
.kl2-icon-btn svg { width: 24px; height: 24px; }
.kl2-cart-count { position: absolute; top: 2px; right: 0; min-width: 18px; height: 18px; border-radius: 9px; background: var(--kl-hot); color: var(--kl-ink); font-size: 11px; font-weight: 900;
    display: grid; place-items: center; padding: 0 4px; box-sizing: border-box; }
.kl2-cart-count:empty { display: none; }
/* style.css cu : .az-kl-site .az-kl-lengthcart.az-kl-lengthcart (nen vang, lech vi tri) -> de lai cho so tren bieu tuong gio V4 */
.az-kl-site .kl2-cart-count.az-kl-lengthcart.az-kl-lengthcart { top: 2px; right: 0; padding: 0 4px; background: var(--kl-hot); color: var(--kl-ink) !important; line-height: 18px; font-weight: 900; }
.kl2-burger { display: none; }
/* khoi Luxer Club | Dang nhap (khach) / Luxer Cap N | lumen (thanh vien) */
.kl2-club { height: 44px; box-sizing: border-box; border: 1px solid var(--kl-gold); border-radius: 999px; display: flex; align-items: stretch; overflow: hidden; white-space: nowrap; text-decoration: none; }
.kl2-club-a { display: flex; align-items: center; gap: 7px; padding: 0 12px 0 9px; background: var(--kl-gold); color: var(--kl-ink) !important; text-decoration: none; font-weight: 900; font-size: 13.5px; letter-spacing: 0.02em; }
.kl2-club-b { display: flex; flex-direction: column; justify-content: center; padding: 0 16px 0 12px; color: var(--kl-gold) !important; text-decoration: none; line-height: 1.15; background: transparent; border: 0; cursor: pointer; text-align: left; }
.kl2-club-b b { font-weight: 800; font-size: 13.5px; }
.kl2-club-b small { font-size: 11px; font-weight: 700; color: var(--kl-muted); }
.kl2-club-me { display: flex; align-items: center; gap: 6px; padding: 0 14px 0 10px; color: var(--kl-text); font-weight: 800; font-size: 13.5px; }
.kl2-club-lv { border: 2px solid var(--kl-ink); }
/* dai Luxer duoi dau trang */
.kl2-strip { background: var(--kl-bg2); border-bottom: 1px solid var(--kl-line); }
.kl2-strip-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 16px; padding-top: 9px; padding-bottom: 9px; font-size: 14px; text-align: center; }
.kl2-strip-in .kl2-eyebrow { display: inline-flex; align-items: center; gap: 6px; }
.kl2-strip-in .kl2-strip-txt { color: var(--kl-soft); }
.kl2-strip-in a { font-weight: 800; text-decoration: none; }
/* o tim kiem (giu khung goi y cu : .az-kl-window-search / az-kl-sg-*) */
.kl2-header .az-kl-text-action { list-style: none; margin: 0; padding: 0; display: flex; }
.kl2-header .az-kl-icon-search { width: 44px; height: 44px; display: grid; place-items: center; cursor: pointer; }
.kl2-header .az-kl-icon-search svg { width: 24px; height: 24px; }

/* menu ben (dien thoai) - giu lop cu az-kl-side-bar (app.js SideBar) */
/* ban 003 : 9 muc menu + khoi Luxer can ~1.340px ; nho hon -> nut menu (do 27/10 : 1.376px menu xuong 2 dong) ; 1.341–1.520px thu gon khoang cach */
@media (max-width: 1520px) and (min-width: 1341px) {
    .kl2-header-in { column-gap: 18px; }
    .kl2-nav { gap: 6px 15px; font-size: 14px; }
}
@media (max-width: 1340px) {
    .kl2-nav { display: none; }
    .kl2-burger { display: grid; }
    .kl2-header-in { flex-wrap: nowrap; gap: 8px; }
    .kl2-logo img { height: 38px; }
    .kl2-tools { margin-left: auto; }
}
@media (max-width: 640px) {
    .kl2-club-b small { display: none; }
    .kl2-club-a span.kl2-club-word { display: none; }
    .kl2-club-b { padding: 0 10px 0 8px; }
    .kl2-strip-in { font-size: 13px; }
}
body.kl2 .az-kl-side-bar { background: var(--kl-panel); color: var(--kl-text); font-family: var(--kl-font); }
body.kl2 .az-kl-side-bar a { color: var(--kl-gold); }

/* ---------- the san pham dung chung ---------- */
.kl2-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); gap: 18px; }
.kl2-card { background: var(--kl-panel); border: 1px solid var(--kl-line2); border-radius: var(--kl-r-lg); overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.kl2-card:hover { border-color: #3A3A3A; }
.kl2-card-img { position: relative; display: block; aspect-ratio: 1 / 1; background: #FFFFFF; overflow: hidden; }
.kl2-card-img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.kl2-card-off { position: absolute; top: 10px; left: 10px; background: var(--kl-hot); color: var(--kl-ink); font-weight: 900; font-size: 12.5px; padding: 3px 8px; border-radius: 8px; }
.kl2-card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.kl2-card-code { font-size: 12px; font-weight: 800; letter-spacing: 0.04em; color: var(--kl-muted); }
.kl2-card-name { font-size: 15px; font-weight: 800; color: #FFFFFF; line-height: 1.3; text-decoration: none; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.6em; }
.kl2-card-name:hover { color: var(--kl-gold) !important; }
.kl2-card-spec { font-size: 12.5px; color: var(--kl-muted); }
.kl2-price { font-size: 19px; font-weight: 900; color: var(--kl-gold); white-space: nowrap; }
.kl2-price-old { font-size: 13px; color: var(--kl-faint); text-decoration: line-through; white-space: nowrap; }
.kl2-price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.kl2-member { font-size: 12.5px; color: var(--kl-soft); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.kl2-member b { color: var(--kl-gold); }
.kl2-mai-line { font-size: 12.5px; color: var(--kl-soft); background: var(--kl-bg2); border: 1px dashed #3A2E0F; border-radius: 10px; padding: 6px 9px; text-decoration: none; display: block; }
.kl2-mai-line b { color: var(--kl-gold); }
.kl2-qty { display: inline-flex; align-items: center; border: 1px solid var(--kl-line2); border-radius: 10px; overflow: hidden; height: 44px; background: var(--kl-bg2); }
.kl2-qty button { width: 44px; height: 100%; padding: 0; border: 0; background: transparent; color: var(--kl-gold); font-size: 20px; line-height: 1; font-weight: 900; cursor: pointer; }
.kl2-qty input { width: 46px; height: 100%; border: 0; background: transparent; color: #FFFFFF; text-align: center; font-weight: 800; -moz-appearance: textfield; }
.kl2-qty input::-webkit-outer-spin-button, .kl2-qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.kl2-card-buy { display: flex; gap: 8px; align-items: center; margin-top: auto; padding-top: 6px; }
.kl2-card-buy .kl2-btn { flex: 1; min-height: 40px; padding: 0 10px; }

/* ---------- thang gia 7 cap (trang san pham, the) ---------- */
.kl2-ladder { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.kl2-ladder-step { background: var(--kl-bg2); border: 1px solid var(--kl-line2); border-radius: 12px; padding: 8px 6px; display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; min-width: 0; }
.kl2-ladder-step.kl2-on { border-color: var(--kl-gold); background: var(--kl-gold-bg); }
.kl2-ladder-step small { font-size: 11px; color: var(--kl-muted); font-weight: 700; line-height: 1.2; }
.kl2-ladder-step b { font-size: 13.5px; color: #FFFFFF; font-weight: 900; white-space: nowrap; }
.kl2-ladder-step.kl2-lock b { color: var(--kl-faint); font-weight: 800; font-size: 12px; white-space: normal; }
@media (max-width: 760px) { .kl2-ladder { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ---------- hop thoai (dang nhap) ---------- */
.kl2-modal { position: fixed; inset: 0; z-index: 3000; background: rgba(0,0,0,0.72); display: none; align-items: flex-start; justify-content: center; padding: 6vh 16px; box-sizing: border-box; overflow-y: auto; }
.kl2-modal.kl2-open { display: flex; }
.kl2-modal-box { width: 100%; max-width: 520px; background: var(--kl-panel); border: 1px solid var(--kl-line2); border-radius: var(--kl-r-lg); padding: 26px; box-sizing: border-box;
    display: flex; flex-direction: column; gap: 16px; position: relative; color: var(--kl-text); }
.kl2-modal-x { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border: 0; background: transparent; color: var(--kl-muted); font-size: 22px; cursor: pointer; }
.kl2-modal-x:hover { color: var(--kl-gold); }
.kl2-modal-top { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.kl2-modal-top h2 { margin: 0; font-size: 24px; font-weight: 800; color: #FFFFFF; }
.kl2-badge-free { display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px 5px 6px; border-radius: 999px; background: var(--kl-gold-bg); border: 1px solid var(--kl-gold-dim);
    color: var(--kl-gold); font-size: 12.5px; font-weight: 800; letter-spacing: 0.06em; }
.kl2-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); background: var(--kl-bg2); border: 1px solid var(--kl-line2); border-radius: 12px; padding: 4px; gap: 4px; }
.kl2-tabs button { height: 44px; border: 0; border-radius: 9px; background: transparent; color: var(--kl-muted); font-weight: 800; font-size: 14px; cursor: pointer; }
.kl2-tabs button.kl2-on { background: var(--kl-gold); color: var(--kl-ink); }
.kl2-field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 700; color: var(--kl-muted); }
.kl2-field input { height: 52px; box-sizing: border-box; border: 1px solid var(--kl-line2); border-radius: 12px; padding: 0 16px; font-size: 17px; font-weight: 600; background: var(--kl-bg2); color: #FFFFFF; outline: none; }
.kl2-field input:focus { border-color: var(--kl-gold); }
.kl2-note { background: var(--kl-bg2); border: 1px solid #3A2E0F; border-radius: 12px; padding: 12px 14px; font-size: 14px; color: var(--kl-text); }
.kl2-note strong { color: var(--kl-gold); }
.kl2-small { font-size: 13px; color: var(--kl-faint); }
.kl2-msg { font-size: 14px; color: var(--kl-gold2); min-height: 1em; }
.kl2-msg.kl2-err { color: #FF8A65; }
.kl2-check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--kl-soft); cursor: pointer; }
.kl2-check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--kl-gold); flex: none; }
.kl2-link-btn { background: none; border: 0; padding: 0; color: var(--kl-gold); font-weight: 800; cursor: pointer; text-decoration: underline; font-size: 13.5px; }
/* «Bạn là» + ho so LuxPro (hop dang ky, trang Luxer cua toi) - 28/10/2026 */
.kl2-pro-roles { display: flex; flex-wrap: wrap; gap: 8px; }
.kl2-pro-roles .kl2-chip { height: auto; min-height: 40px; padding: 6px 14px; font: inherit; font-size: 13.5px; font-weight: 700; color: var(--kl-soft); cursor: pointer; white-space: normal; text-align: left; }
.kl2-pro-box { display: flex; flex-direction: column; gap: 12px; padding: 14px; border: 1px solid #3A2E0F; border-radius: 12px; background: var(--kl-bg2); }
.kl2-pro-box .kl2-field input { height: 46px; font-size: 16px; background: var(--kl-panel); }
@media (max-width: 640px) { .kl2-pro-roles .kl2-chip { min-height: 44px; } }

/* ---------- chan trang ---------- */
.kl2-footer { background: var(--kl-bg2); border-top: 1px solid var(--kl-line); color: var(--kl-muted); font-size: 14px; }
.kl2-footer-in { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 28px; padding-top: 40px; padding-bottom: 28px; }
.kl2-footer-col { display: flex; flex-direction: column; gap: 7px; }
.kl2-footer-col .kl2-ft-h { color: var(--kl-gold); font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; font-size: 13.5px; margin-bottom: 2px; }
.kl2-footer-col a { color: var(--kl-muted); text-decoration: none; }
.kl2-footer-col a:hover { color: var(--kl-gold); }
.kl2-footer-col img { height: 44px; width: auto; align-self: flex-start; }
.kl2-footer-col strong { color: var(--kl-text); }
.kl2-footer-bot { border-top: 1px solid var(--kl-line); }
.kl2-footer-bot .kl2-wrap { padding-top: 14px; padding-bottom: 18px; font-size: 12.5px; color: var(--kl-faint); display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: space-between; }

/* ---------- thong bao nho ---------- */
.kl2-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 3100; background: var(--kl-panel); border: 1px solid var(--kl-gold); color: var(--kl-text);
    border-radius: 12px; padding: 12px 18px; font-weight: 700; box-shadow: 0 12px 30px rgba(0,0,0,0.6); max-width: calc(100% - 32px); }

/* ---------- lam diu luat cu khi o mau V4 ---------- */
body.kl2 .az-kl-footer, body.kl2 .az-kl-khoicuoi { display: none !important; }