/* ===== Web Shop Acc Game - giao diện khách (theme sáng) ===== */
:root{--primary:#3399ff;--accent:#ff6b2c;--bg:#f4f8fd;--bg2:#eaf3ff;--card:#ffffff;--line:#dbe6f3;--text:#1e293b;--muted:#64748b;--ok:#16a34a;--warn:#d97706;--bad:#e11d48;--zalo:#0068ff;--r:14px;
  --shadow:0 2px 10px rgba(30,64,120,.06);--shadow-h:0 14px 32px rgba(51,153,255,.18)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;
  background-image:linear-gradient(180deg,color-mix(in srgb,var(--primary) 12%,#fff) 0,var(--bg) 360px);background-repeat:no-repeat}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{margin:0 0 .5rem;line-height:1.25}
.container{width:min(1200px,100% - 24px);margin-inline:auto}
.narrow{max-width:760px}
.muted{color:var(--muted)}.small{font-size:13px}.mt{margin-top:12px}
.ok{color:var(--ok);font-weight:600}.warn{color:var(--warn)}.bad{color:var(--bad);font-weight:600}
.hl{color:var(--primary)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);font-weight:600;cursor:pointer;font-family:inherit;font-size:14px;transition:.15s}
.btn:hover{transform:translateY(-1px);border-color:var(--primary);color:var(--primary)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{color:#fff;filter:brightness(1.07)}
.btn-accent{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--primary) 70%,#0040c0));border:0;color:#fff;box-shadow:0 6px 18px color-mix(in srgb,var(--primary) 35%,transparent)}
.btn-accent:hover{color:#fff;filter:brightness(1.07)}
.btn-zalo{background:var(--zalo);border-color:var(--zalo);color:#fff}
.btn-zalo:hover{color:#fff;filter:brightness(1.08)}
.btn-ghost{background:transparent}
.btn-lg{padding:14px 22px;font-size:16px}
.btn-sm{padding:6px 10px;font-size:12px}
.btn-block{width:100%}

/* Header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 1px 8px rgba(30,64,120,.05)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px}
.brand img{height:42px;width:auto}
.brand-mark{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--primary) 60%,#0040c0));font-size:20px;color:#fff}
.brand-text{color:var(--primary);text-transform:uppercase}
.main-nav{display:flex;gap:4px;align-items:center}
.main-nav a{padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:500;white-space:nowrap}
.main-nav a:hover{color:var(--primary);background:var(--bg2)}
.main-nav .btn-zalo{background:var(--zalo);color:#fff}
.main-nav .btn-zalo:hover{color:#fff;background:var(--zalo);filter:brightness(1.08)}
.nav-toggle{display:none;background:none;border:0;color:var(--text);font-size:28px;cursor:pointer}
@media(max-width:860px){
  .nav-toggle{display:block}
  .main-nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;padding:12px;border-bottom:1px solid var(--line);display:none;box-shadow:0 10px 20px rgba(30,64,120,.08)}
  body.nav-open .main-nav{display:flex}
}
.notice-bar{background:var(--primary);color:#fff;font-size:14px}
.notice-bar .container{display:flex;gap:10px;align-items:center;height:38px;overflow:hidden}
.notice-bar i{color:#fff}
.marquee{overflow:hidden;flex:1;white-space:nowrap}
.marquee span{display:inline-block;padding-left:100%;animation:mq 25s linear infinite}
@keyframes mq{to{transform:translateX(-100%)}}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 340px;gap:16px;margin-top:18px}
@media(max-width:900px){.hero{grid-template-columns:1fr}}
.slider{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:16/6.2;min-height:200px;background:var(--card);box-shadow:var(--shadow)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s;display:flex;align-items:center;padding:6%;color:#fff}
.slide.active{opacity:1;z-index:1}
.slide-text h2{font-size:clamp(22px,4vw,44px);font-weight:800;text-shadow:0 4px 20px rgba(0,0,0,.2)}
.slide-text p{font-size:clamp(14px,1.6vw,19px);opacity:.95;margin:0}
.slide-deco{position:absolute;right:5%;font-size:clamp(80px,16vw,200px);opacity:.2;transform:rotate(-15deg)}
.dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:2}
.dots button{width:9px;height:9px;border-radius:9px;border:0;background:rgba(255,255,255,.55);cursor:pointer;padding:0;transition:.2s}
.dots button.active{width:26px;background:#fff}

/* Hộp bảo hành / hướng dẫn */
.side-box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:0;display:flex;flex-direction:column;box-shadow:var(--shadow);overflow:hidden}
.tabs{display:flex;border-bottom:1px solid var(--line);background:var(--bg2)}
.tabs button{flex:1;border:0;background:none;padding:12px 8px;font-family:inherit;font-weight:700;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}
.tabs button.active{color:var(--primary);border-bottom-color:var(--primary);background:#fff}
.tab-pane{padding:14px 16px;overflow:auto;max-height:340px;font-size:14px}
.tab-pane[hidden]{display:none}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line)}
.steps li:last-child{border-bottom:0}
.steps li::before{counter-increment:s;content:counter(s);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:700;font-size:13px;flex:none}
.policy-list{list-style:none;margin:0;padding:0}
.policy-list li{display:flex;gap:8px;padding:7px 0;border-bottom:1px dashed var(--line)}
.policy-list li:last-child{border-bottom:0}
.policy-list li::before{content:"\F26A";font-family:"bootstrap-icons";color:var(--ok);flex:none}

/* Sections */
.section{margin-top:32px}
.section-head{display:flex;align-items:center;margin-bottom:16px}
.section-head h2{font-size:22px;font-weight:800;text-transform:uppercase;padding-left:14px;border-left:5px solid var(--g,var(--primary))}
.section-head h2 i{color:var(--primary)}
.section-head .more{margin-left:auto;font-weight:700;font-size:14px;color:var(--primary);white-space:nowrap}
.section-head .more:hover{text-decoration:underline}
.section-new .section-head h2{--g:var(--accent)}
.section-new .section-head h2 i{color:var(--accent)}
.section-head .sub{margin-left:10px;color:var(--muted);font-size:13px;font-weight:500}
.new-tag{position:absolute;left:10px;bottom:10px;background:var(--accent);color:#fff;font-size:11px;font-weight:800;padding:2px 8px;border-radius:6px;z-index:2;letter-spacing:.3px}
@media (max-width:640px){.section-head{flex-wrap:wrap}.section-head .sub{display:none}}

/* Placeholder */
.ph{width:100%;height:100%;min-height:140px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:12px;color:#fff;
  background:linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 55%,#001a40));position:relative;overflow:hidden}
.ph::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.07) 0 10px,transparent 10px 20px)}
.ph span{font-weight:800;font-size:clamp(16px,2.2vw,24px);text-transform:uppercase;position:relative;z-index:1;text-shadow:0 2px 10px rgba(0,0,0,.25)}
.ph small{opacity:.9;position:relative;z-index:1}

/* Category cards */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.cat-card,.acc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.2s;box-shadow:var(--shadow)}
.cat-card:hover,.acc-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-h)}
.cat-img,.acc-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.cat-img img,.acc-img img{width:100%;height:100%;object-fit:cover}
.ribbon{position:absolute;top:10px;right:10px;background:var(--bad);color:#fff;font-size:12px;font-weight:800;padding:3px 9px;border-radius:6px;z-index:2;animation:pulse 1.6s infinite}
@keyframes pulse{50%{transform:scale(1.08)}}
.cat-body,.acc-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-body h3,.acc-body h3{font-size:15px;font-weight:700;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.cat-meta b{color:var(--text)}
.cat-price{font-weight:800;color:var(--bad);font-size:17px;margin-top:auto}

/* Acc cards */
.acc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.acc-id{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.92);color:var(--primary);padding:2px 8px;border-radius:6px;font-size:12px;font-weight:700;z-index:2}
.attrs{list-style:none;margin:0;padding:0;font-size:13px;display:grid;grid-template-columns:minmax(0,1fr);gap:3px}
.attrs li{display:flex;justify-content:space-between;gap:8px;min-width:0;border-bottom:1px dashed var(--line);padding-bottom:3px}
.attrs span{color:var(--muted);flex-shrink:0;white-space:nowrap} .attrs b{min-width:0;font-weight:600;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acc-foot{display:flex;align-items:flex-end;justify-content:space-between;margin-top:auto;padding-top:6px}
.price del{display:block;color:var(--muted);font-size:12px}
.price strong{color:var(--bad);font-size:18px;font-weight:800}

/* Category page */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px}.crumbs a:hover{color:var(--primary)}
.cat-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px;border-radius:var(--r);margin-bottom:18px;color:#fff;
  background:linear-gradient(120deg,var(--c),color-mix(in srgb,var(--c) 60%,var(--primary)));flex-wrap:wrap;box-shadow:var(--shadow)}
.cat-header h1{font-size:26px;font-weight:800}
.cat-header p{margin:0;opacity:.92}
.cat-stats{display:flex;gap:12px}
.cat-stats div{background:rgba(255,255,255,.2);padding:10px 18px;border-radius:10px;text-align:center}
.cat-stats b{display:block;font-size:22px}.cat-stats span{font-size:12px;opacity:.9}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.filters input,.filters select{background:#fff;border:1px solid var(--line);color:var(--text);padding:10px 12px;border-radius:10px;font-family:inherit;font-size:14px}
.filters input{flex:1;min-width:180px}
.filters input:focus,.filters select:focus{outline:2px solid var(--primary);border-color:transparent}
.pager{display:flex;gap:6px;justify-content:center;margin-top:24px;flex-wrap:wrap}
.pager a{min-width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:#fff;border:1px solid var(--line)}
.pager a.active{background:var(--primary);border-color:var(--primary);color:#fff}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty i{font-size:48px}
.random-box{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;align-items:center;box-shadow:var(--shadow)}
.random-img{border-radius:12px;overflow:hidden;aspect-ratio:16/10}
.random-img .ph span{font-size:90px}
.checks{padding-left:0;list-style:none}.checks li::before{content:"✔ ";color:var(--ok)}
@media(max-width:760px){.random-box{grid-template-columns:1fr}}

/* Detail */
.detail{display:grid;grid-template-columns:1.25fr 1fr;gap:24px}
@media(max-width:900px){.detail{grid-template-columns:1fr}}
.gallery{display:flex;flex-direction:column;min-width:0}
.g-main{position:relative;flex:1 1 auto;min-height:340px;border-radius:var(--r);overflow:hidden;background:var(--bg2);border:1px solid var(--line)}
.g-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.g-main>.ph{position:absolute;inset:0}
@media(max-width:900px){.g-main{flex:none;min-height:0;aspect-ratio:4/3}}
[data-zoom]{cursor:zoom-in;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.g-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.g-thumbs img{width:90px;height:60px;object-fit:cover;border-radius:8px;cursor:pointer;opacity:.55;border:2px solid transparent;flex:none}
.g-thumbs img.active{opacity:1;border-color:var(--primary)}
.info{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.info h1{font-size:22px;font-weight:800}
.tag{display:inline-block;background:var(--primary);color:#fff;padding:2px 10px;border-radius:20px;font-size:12px;margin-bottom:8px}
.price-lg{margin:10px 0 14px}
.price-lg del{color:var(--muted)}
.price-lg .off{background:var(--bad);color:#fff;font-size:12px;padding:2px 6px;border-radius:5px;font-weight:700}
.price-lg strong{display:block;font-size:30px;color:var(--bad);font-weight:800}
.attr-table{width:100%;border-collapse:collapse;margin-bottom:16px;font-size:14px}
.attr-table th,.attr-table td{padding:9px 6px;border-bottom:1px solid var(--line);text-align:left}
.attr-table th{color:var(--muted);font-weight:500;width:40%}
.seller{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:10px 0 0}
.seller b{color:var(--text)}
.policy{margin-top:14px;font-size:13px;color:var(--text);background:var(--bg2);padding:12px;border-radius:10px;border-left:3px solid var(--primary)}
.policy h4{margin:0 0 6px;font-size:14px;color:var(--primary)}
.card-box,.desc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.desc{margin-top:18px}
.acc-photos{margin-top:18px;display:grid;gap:14px}
.acc-photos h3{margin:0;font-size:18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.acc-photos h3 small{font-size:13px;font-weight:400;color:var(--muted)}
.acc-photos .ph-item{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--bg2)}
.acc-photos img{display:block;width:100%;height:auto}
.ph-dl{position:absolute;z-index:2;right:10px;bottom:10px;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:8px;background:rgba(0,0,0,.65);color:#fff !important;font-size:13px;font-weight:600;text-decoration:none;backdrop-filter:blur(4px)}
.ph-dl:hover{background:var(--primary)}
.acc-photos h3 .dl-all{margin-left:auto}

/* Xem trước toàn ảnh khi rê chuột vào thẻ acc */
.acc-peek{position:fixed;left:-9999px;top:0;z-index:9000;padding:6px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 50px rgba(15,23,42,.28);pointer-events:none;opacity:0;transform:scale(.97);transition:opacity .15s,transform .15s}
.acc-peek.show{opacity:1;transform:none}
.acc-peek img{display:block;width:auto;height:auto;max-width:min(520px,42vw);max-height:78vh;border-radius:8px}
/* Xem ảnh nổi */
html.lb-open{overflow:hidden}
.lb{position:fixed;inset:0;z-index:10000;background:rgba(8,12,24,.92);display:flex;align-items:center;justify-content:center;animation:lbIn .15s ease-out}
.lb[hidden]{display:none}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:56px 64px 80px}
.lb-img{max-width:calc(100vw - 128px);max-height:calc(100vh - 136px);max-height:calc(100dvh - 136px);width:auto;height:auto;object-fit:contain;transform-origin:center;transition:transform .18s ease-out;user-select:none;-webkit-user-drag:none;cursor:zoom-in;box-shadow:0 10px 40px rgba(0,0,0,.5);border-radius:6px}
.lb-img.zoomed{cursor:grab;touch-action:none}
.lb-img.dragging{cursor:grabbing;transition:none}
.lb-top{position:absolute;top:12px;left:16px;right:12px;display:flex;align-items:center;justify-content:space-between;color:#fff;font-weight:600;pointer-events:none}
.lb-top .lb-btn{pointer-events:auto}
.lb-bar{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;align-items:center;gap:6px;padding:6px;border-radius:14px;background:rgba(255,255,255,.12);backdrop-filter:blur(8px)}
.lb-btn{width:44px;height:44px;border:0;border-radius:10px;background:rgba(255,255,255,.14);color:#fff !important;font-size:19px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;text-decoration:none}
.lb-btn:hover:not(:disabled){background:var(--primary)}
.lb-btn:disabled{opacity:.35;cursor:default}
.lb-pct{min-width:58px;text-align:center;color:#fff;font-weight:700;font-size:14px}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:64px;border:0;border-radius:12px;background:rgba(255,255,255,.12);color:#fff;font-size:24px;cursor:pointer;z-index:2}
.lb-nav:hover{background:var(--primary)}
.lb-prev{left:10px}.lb-next{right:10px}
@media(max-width:600px){.lb-stage{padding:52px 8px 84px}.lb-img{max-width:calc(100vw - 16px)}.lb-nav{width:38px;height:52px;font-size:20px}.lb-prev{left:4px}.lb-next{right:4px}}
/* Modal mua qua Zalo */
.modal{position:fixed;inset:0;background:rgba(15,30,60,.45);z-index:100;display:flex;align-items:center;justify-content:center;padding:14px;backdrop-filter:blur(3px)}
.modal[hidden]{display:none}
.modal-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;width:min(440px,100%);position:relative;max-height:95vh;overflow:auto;animation:pop .2s;box-shadow:0 20px 50px rgba(15,30,60,.25)}
@keyframes pop{from{transform:scale(.95);opacity:0}}
.modal-close{position:absolute;right:12px;top:12px;background:none;border:0;color:var(--muted);font-size:18px;cursor:pointer}
.buy-summary{display:flex;justify-content:space-between;gap:10px;background:var(--bg2);padding:12px;border-radius:10px;margin:10px 0 12px}
.buy-summary strong{color:var(--bad);white-space:nowrap}
.zalo-msg{background:var(--bg);border:1px dashed var(--primary);border-radius:10px;padding:10px 12px;font-size:14px;margin:8px 0 14px;white-space:pre-line}
.modal .btn + .btn{margin-top:8px}

/* Footer */
.footer{margin-top:60px;background:#fff;border-top:1px solid var(--line);padding-top:36px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr}}
.footer h4{margin:0 0 10px;font-size:15px;color:var(--primary)}
.footer a{display:block;color:var(--muted);padding:3px 0;font-size:14px}.footer a:hover{color:var(--primary)}
.copyright{text-align:center;padding:16px;margin-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;background:var(--bg)}
.float-contact{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:60}
.float-contact a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px;box-shadow:0 6px 18px rgba(15,30,60,.25);animation:pulse 2s infinite}
.fc-zalo{background:var(--zalo)}.fc-phone{background:var(--ok);font-size:20px!important}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1e293b;color:#fff;padding:10px 18px;border-radius:10px;z-index:200;box-shadow:0 8px 20px rgba(0,0,0,.2)}