:root{
  color-scheme:light;
  --bg:#f2f6ef; --surface:#ffffff; --surface-2:#f6f9f3; --surface-3:#edf2e8; --line:#e1e8da; --line-2:#cfd9c6;
  --ink:#132011; --ink-2:#2c3a28; --muted:#5b6956;
  --brand:#3d9b18; --brand-2:#12865a; --brand-strong:#2b7b0d; --brand-soft:#e6f4dc; --on-brand:#ffffff; --lime:#a6e24c;
  --red:#df262d; --red-soft:#fdeceb;
  --violet:#6a3edb; --violet-soft:#efe9fd;
  --amber:#b96600; --amber-btn:#f28a00; --amber-soft:#fff1da; --on-amber:#ffffff;
  --blue:#1f5fd3; --blue-soft:#e6eefc;
  --ok:#22873a; --ok-soft:#e2f3e4; --bad:#cc2b2b; --bad-soft:#fde9e9;
  --side:#0e192b; --side-2:#15233a; --side-3:#20314d; --side-ink:#b6c2d8; --side-hi:#ffffff;
  --k1a:#3b7cf6; --k1b:#1e54d4; --k2a:#8b5cf6; --k2b:#6532d4; --k3a:#13b787; --k3b:#07895d; --k4a:#f6a21c; --k4b:#e66f0b;
  --sh-1:0 1px 2px rgba(19,32,17,.05),0 2px 10px rgba(19,32,17,.05);
  --sh-2:0 2px 6px rgba(19,32,17,.06),0 16px 40px rgba(19,32,17,.10);
  --scrim:rgba(9,15,8,.52);
  --f-display:"Saira Semi Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Be Vietnam Pro","Segoe UI",Roboto,Arial,sans-serif;
  --r-xs:8px; --r-s:12px; --r:16px; --r-l:20px;
  --h-sm:32px; --h:40px; --h-lg:48px; --pv-h:0px;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14.5px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--side)}
h1,h2,h3{font-family:var(--f-display);font-weight:700;text-wrap:balance;margin:0;line-height:1.15;letter-spacing:.005em}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
input,select,textarea{font:inherit;color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs)}
.num,.price,.kpi b,td.n,.q-price{font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.muted{color:var(--muted)}
.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.i.s{width:16px;height:16px}
.i.f{fill:currentColor;stroke:none}
.logo{display:flex;align-items:center;gap:8px}

/* ---------- nút & ô nhập ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:var(--h);padding:0 16px;font-weight:700;font-size:14px;letter-spacing:.005em;border-radius:var(--r-s);white-space:nowrap;transition:transform .15s,filter .15s,border-color .15s}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{cursor:not-allowed;background:var(--surface-3);color:var(--muted);box-shadow:none;filter:none}
.btn-buy{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--on-brand);box-shadow:0 6px 16px -8px var(--brand)}
.btn-pre{background:var(--amber-btn);color:var(--on-amber);box-shadow:0 6px 16px -8px var(--amber-btn)}
.btn-line{border:1px solid var(--line-2);background:var(--surface);color:var(--ink)}
.btn-line:hover{border-color:var(--brand);filter:none}
.btn-tg{background:#229ed9;color:#fff}
.btn-google{background:#fff;color:#1f1f1f;border:1px solid #747775;font-weight:600}
.btn-google:hover{background:#f2f5fa}
.btn-google .glogo{flex:none}
.or-line{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12.5px;margin:2px 0}
.or-line::before,.or-line::after{content:"";flex:1;height:1px;background:var(--line)}
.btn-zalo{background:#0068ff;color:#fff}
.btn-red{background:var(--bad);color:#fff}
.btn-hero{background:var(--on-brand);color:var(--brand-strong)}
.btn-ghost{border:1.5px solid color-mix(in srgb,var(--on-brand) 55%,transparent);color:var(--on-brand)}
.btn-sm{height:var(--h-sm);padding:0 12px;font-size:13px;border-radius:10px;gap:6px}
.btn.big{width:100%;height:var(--h-lg);font-size:15px;border-radius:14px}
.btn.icon{width:var(--h-sm);padding:0}
.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}
.field input,.field select,.filters input,.filters select,.cpn input{height:var(--h);border:1px solid var(--line-2);background:var(--surface-2);border-radius:var(--r-s);padding:0 12px;font-weight:500;min-width:0}
.field textarea{border:1px solid var(--line-2);background:var(--surface-2);border-radius:var(--r-s);padding:10px 12px;font-weight:500;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.filters input:focus,.filters select:focus,.cpn input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.field input[type="color"]{padding:4px}
.field input[type="file"]{padding:6px 8px;height:auto}
.hint{font-size:12.5px;color:var(--muted);font-weight:400}
.form{display:flex;flex-direction:column;gap:12px}

/* ---------- cửa hàng: đầu trang ---------- */
.topstrip{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:var(--on-brand);font-size:12.5px}
.ts-in{display:flex;align-items:center;gap:16px;height:36px}
.ts-in>span{display:flex;align-items:center;gap:6px;font-weight:500}
.ts-links{margin-left:auto;display:flex;gap:20px;align-items:center}
.ts-links a,.ts-links button{color:var(--on-brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.ts-links a:hover,.ts-links button:hover{text-decoration:underline;text-underline-offset:3px}
.hdr{background:var(--surface);box-shadow:0 1px 0 var(--line)}
.hdr-in{display:flex;align-items:center;gap:24px;padding-block:16px}
.search{flex:1;display:flex;align-items:center;gap:10px;height:44px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:0 16px;color:var(--muted);transition:border-color .15s,box-shadow .15s}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.search input{border:0;background:none;outline:none;width:100%;height:100%}
.acct{display:flex;align-items:center;gap:12px}
.bal{display:flex;align-items:center;gap:10px;height:44px;background:var(--brand-soft);border-radius:999px;padding:0 6px 0 16px;color:var(--brand-strong)}
.bal span{display:flex;flex-direction:column;line-height:1.15;text-align:right}
.bal small{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.bal b{font-size:15px}
.bal .plus{width:32px;height:32px;border-radius:50%;background:var(--brand);color:var(--on-brand);display:grid;place-items:center}
.ava{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--violet-soft);color:var(--violet);font-weight:700;font-size:13px;flex:none}
.mainnav{background:var(--surface);border-top:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none}
.nav-in::-webkit-scrollbar{display:none}
.nav-in button{height:36px;padding:0 14px;border-radius:999px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:8px;white-space:nowrap}
.nav-in button:hover{color:var(--ink);background:var(--surface-2)}
.nav-in button.on{color:var(--brand-strong);background:var(--brand-soft)}
.nav-help{margin-left:auto;color:var(--muted);font-size:13px;white-space:nowrap;display:flex;align-items:center;gap:6px;padding-left:12px}
.nav-help b{color:var(--ink);font-weight:600}
.badge{min-width:20px;height:20px;border-radius:999px;background:var(--amber-btn);color:var(--on-amber);font-size:11px;font-weight:700;display:inline-grid;place-items:center;padding:0 6px;line-height:1}
.badge[hidden]{display:none!important}

.shop-main{padding-block:24px 48px}
.stack{display:flex;flex-direction:column;gap:24px}

/* banner */
.hero{position:relative;overflow:hidden;border-radius:var(--r-l);background:linear-gradient(118deg,var(--brand) 0%,var(--brand-2) 100%);color:var(--on-brand);padding:20px 24px;display:flex;align-items:center;gap:24px;box-shadow:var(--sh-1)}
.hero-txt{flex:1;min-width:0}
.hero-act{display:flex;gap:8px;flex:none}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--on-brand) 18%,transparent) 1.2px,transparent 1.4px);background-size:18px 18px;-webkit-mask-image:linear-gradient(100deg,transparent 30%,#000 90%);mask-image:linear-gradient(100deg,transparent 30%,#000 90%);pointer-events:none}
.hero>*{position:relative}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:color-mix(in srgb,var(--on-brand) 14%,transparent);border-radius:999px;padding:0 12px}
.hero h1{font-size:clamp(20px,2.2vw,25px);font-weight:800;line-height:1.2}
.hero p{font-size:13.5px;opacity:.92;margin-top:4px}
.hero-cta{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.quick{background:color-mix(in srgb,var(--on-brand) 12%,transparent);border:1px solid color-mix(in srgb,var(--on-brand) 24%,transparent);border-radius:var(--r);padding:8px;display:flex;flex-direction:column;gap:4px}
.quick-h{display:flex;justify-content:space-between;align-items:center;padding:6px 10px 8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.9}
.q-row{display:grid;grid-template-columns:40px minmax(0,1fr) auto 16px;align-items:center;gap:12px;height:60px;padding:0 10px;border-radius:var(--r-s);text-align:left;color:var(--on-brand);width:100%}
.q-row:hover{background:color-mix(in srgb,var(--on-brand) 12%,transparent)}
.q-row .mini{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:13px;color:#fff;border:1px solid rgba(255,255,255,.35)}
.q-row b{display:block;font-size:14.5px;line-height:1.25}
.q-row small{display:block;font-size:12.5px;opacity:.88}
.q-price{font-family:var(--f-display);font-weight:800;font-size:19px;text-align:right;line-height:1.1}
.q-from{font-family:var(--f-body);font-size:11.5px;font-weight:600;opacity:.85;margin-right:4px}
.q-tag{display:block;margin-top:3px;font-family:var(--f-body);font-size:11px;font-weight:700;text-align:right;letter-spacing:.02em}
.hero-note{grid-column:1/-1;display:flex;align-items:center;gap:12px;border-top:1px solid color-mix(in srgb,var(--on-brand) 22%,transparent);padding-top:20px;font-size:13.5px}
.hero-note p{flex:1;margin:0;opacity:1}
.hero-note .btns{display:flex;gap:8px}

.trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tr{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh-1)}
.tr .ic{width:40px;height:40px;border-radius:var(--r-s);background:var(--brand-soft);color:var(--brand-strong);display:grid;place-items:center;flex:none}
.tr b{display:block;font-size:14px;line-height:1.3}
.tr span{display:block;font-size:12.5px;color:var(--muted);line-height:1.4;margin-top:2px}

.home-grid{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:24px;align-items:start}
.sec-head{display:flex;align-items:center;gap:16px;margin-bottom:8px;min-height:44px}
.sec-head h2{font-size:24px}
.sec-head p{color:var(--muted);font-size:13.5px;margin-top:2px}
.sec-head>div:first-child{flex:1;min-width:0}
.tabs2{display:flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;overflow-x:auto;scrollbar-width:none;flex:none;max-width:100%}
.tabs2::-webkit-scrollbar{display:none}
.tabs2 button{height:32px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap}
.tabs2 button.on{background:var(--ink);color:var(--surface)}
.grp{display:flex;align-items:center;gap:12px;height:32px;margin-top:8px;font-family:var(--f-display);font-weight:700;font-size:13.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.grp::after{content:"";flex:1;height:1px;background:var(--line)}
.plist{display:flex;flex-direction:column;gap:12px}
.pc{display:grid;grid-template-columns:104px minmax(0,1fr) 208px;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh-1);transition:box-shadow .2s,border-color .2s}
.pc:hover{box-shadow:var(--sh-2);border-color:var(--line-2)}
.thumb{position:relative;width:104px;height:104px;border-radius:var(--r-s);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden;flex:none}
.thumb::after{content:"";position:absolute;right:-24px;top:-24px;width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.14);z-index:0}
.thumb>*{position:relative;z-index:1}
.thumb>.th-out{position:absolute}
.t1000{background:linear-gradient(140deg,#3aa31b,#0f7d4e)}
.t900{background:linear-gradient(140deg,#14a39b,#0e6987)}
.tng{background:linear-gradient(140deg,#5a6984,#323e57)}
.tgh{background:linear-gradient(140deg,#d0841a,#8f4c0c)}
.tgh .th-l{letter-spacing:.06em;line-height:1.2;padding:0 6px}
.th-n{font-family:var(--f-display);font-weight:800;font-size:28px;line-height:1;letter-spacing:-.01em}
.th-n.sm{font-size:21px}
.th-l{font-size:10px;font-weight:700;letter-spacing:.16em;opacity:.9;margin-top:3px}
.th-ls{margin-top:8px;height:18px;display:inline-flex;align-items:center;font-size:9px;font-weight:800;letter-spacing:.1em;background:rgba(0,0,0,.22);border-radius:999px;padding:0 8px}
.th-out{position:absolute;left:0;right:0;bottom:0;height:20px;display:grid;place-items:center;background:rgba(0,0,0,.45);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.pc-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.pc-title{font-family:var(--f-body);font-weight:700;font-size:15.5px;line-height:1.4}
.pc-sub{font-size:13.5px;color:var(--muted);margin-top:2px}
.feat{display:flex;gap:6px;flex-wrap:wrap}
.f{display:inline-flex;align-items:center;gap:5px;height:26px;font-size:12.5px;padding:0 10px 0 8px;border-radius:999px;background:var(--ok-soft);color:var(--ok);font-weight:600}
.f .i{width:13px;height:13px;stroke-width:2.6}
.f.no{background:var(--surface-3);color:var(--muted)}
.pc-desc{font-size:13px;color:var(--muted)}
.pc-desc summary{cursor:pointer;font-weight:600;color:var(--ink-2);list-style:none;display:inline-flex;align-items:center;gap:4px;height:20px}
.pc-desc summary::-webkit-details-marker{display:none}
.pc-desc summary .i{width:15px;height:15px;transition:transform .15s}
.pc-desc[open] summary .i{transform:rotate(90deg)}
.pc-desc p{margin-top:6px;max-width:62ch}
.pc-side{align-self:stretch;display:flex;flex-direction:column;gap:10px;justify-content:center;border-left:1px solid var(--line);padding-left:20px}
.price{font-family:var(--f-display);font-weight:800;font-size:27px;color:var(--red);line-height:1;white-space:nowrap}
.price small{font-family:var(--f-body);font-size:12px;font-weight:500;color:var(--muted);margin-left:4px}
.avail{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;min-height:18px}
.avail::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 18%,transparent);flex:none}
.avail.ok{color:var(--ok)} .avail.wait{color:var(--amber)} .avail.off{color:var(--muted)}
.pc-side .btn{width:100%}
.empty{padding:32px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--r)}

.side{display:flex;flex-direction:column;gap:16px;position:sticky;top:calc(var(--pv-h) + env(safe-area-inset-top,0px) + 16px)}
.box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-1)}
.box h3{font-size:17px}
.acc-card{background:linear-gradient(160deg,var(--brand-soft),var(--surface) 72%)}
.acc-top{display:flex;align-items:center;gap:12px}
.acc-top div{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.acc-top span:not(.ava){font-size:12.5px;color:var(--muted);display:inline-flex;align-items:center;gap:4px}
.big-bal{font-family:var(--f-display);font-weight:800;font-size:32px;color:var(--brand-strong);line-height:1;margin-top:4px}
.cap{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mini-po{display:flex;flex-direction:column;gap:4px;font-size:13px;background:var(--amber-soft);border-radius:var(--r-s);padding:12px}
.mini-po b{font-size:14px}
.help-list{font-size:13px;color:var(--muted)}
.help-list a{color:var(--blue);font-weight:600}

/* ---------- đặt trước, nạp tiền, đơn hàng ---------- */
.page-h{display:flex;flex-direction:column;gap:6px}
.page-h h1{font-size:28px}
.page-h p{color:var(--muted);max-width:70ch}
.po-list{display:flex;flex-direction:column;gap:12px}
.po{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;gap:10px;box-shadow:var(--sh-1)}
.po-h{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.code{display:inline-flex;align-items:center;height:24px;font-family:ui-monospace,Consolas,monospace;font-weight:700;font-size:12.5px;background:var(--surface-3);border-radius:6px;padding:0 8px;white-space:nowrap}
.st{display:inline-flex;align-items:center;height:24px;font-size:12px;font-weight:700;padding:0 10px;border-radius:999px}
.st.wait{background:var(--amber-soft);color:var(--amber)}
.st.done{background:var(--ok-soft);color:var(--ok)}
.st.cancel{background:var(--surface-3);color:var(--muted)}
.po-t{font-weight:600}
.bar{height:8px;background:var(--surface-3);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--amber-btn),#ffc46b);border-radius:99px;transition:width .4s}
.po.done .bar i{background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.po-meta{font-size:12.5px;color:var(--muted)}
.po-act{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.confirm{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:var(--bad-soft);border-radius:var(--r-s);padding:8px 8px 8px 12px;font-size:13px}
.confirm span{margin-right:4px}
.demo p{flex:1}
.sec-t{font-family:var(--f-display);font-weight:700;font-size:19px}
.dep{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:start}
.tabs{display:inline-flex;gap:4px;background:var(--surface-3);border-radius:var(--r-s);padding:4px;align-self:flex-start}
.tabs button{height:32px;padding:0 16px;border-radius:9px;font-weight:600;color:var(--muted)}
.tabs button.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-1)}
.qr{display:flex;gap:20px;align-items:center}
.qr canvas{width:168px;height:168px;border-radius:var(--r);border:1px solid var(--line);background:#fff;padding:6px;flex:none}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px;align-items:center;flex:1;min-width:0}
.kv span{color:var(--muted)}
.kv b{display:flex;align-items:center;gap:8px;min-height:32px;word-break:break-word}
.amts{display:flex;gap:8px;flex-wrap:wrap}
.chip{height:32px;border:1px solid var(--line-2);background:var(--surface);border-radius:999px;padding:0 14px;font-size:13px;font-weight:600;color:var(--muted)}
.chip.on{background:var(--brand-soft);color:var(--brand-strong);border-color:var(--brand)}

.tbl{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1)}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th{text-align:left;height:42px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;padding:0 16px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface-2)}
td{height:56px;padding:8px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:hover td{background:var(--surface-2)}
tr:last-child td{border-bottom:0}
td.n,th.n{text-align:right;white-space:nowrap}
td.act{text-align:right;white-space:nowrap}
td.act .btn+.btn{margin-left:6px}
.acc-line{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;background:var(--surface-3);border-radius:var(--r-xs);padding:6px 10px;margin-top:6px;word-break:break-all;text-align:left}
.who{display:flex;align-items:center;gap:10px;white-space:nowrap}
.av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;flex:none}
.av.sq{border-radius:var(--r-xs)}

footer.sf{background:var(--surface);border-top:1px solid var(--line)}
.sf-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-block:32px}
.sf-in p{color:var(--muted);font-size:13.5px;max-width:42ch;margin-top:12px}
.sf h4{margin:0 0 12px;font-family:var(--f-display);font-size:16px;font-weight:700}
.sf ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:13.5px}
.sf-copy{border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.sf-copy .wrap{height:48px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.tabbar{display:none}

/* ---------- modal, toast, ghi chú ---------- */
.modal{position:fixed;inset:0;z-index:80;background:var(--scrim);display:grid;place-items:center;padding:16px}
.sheet{background:var(--surface);border-radius:var(--r-l);width:min(480px,100%);max-height:calc(100% - 24px);overflow:auto;padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:0 24px 70px rgba(0,0,0,.3)}
.sheet-h{display:flex;align-items:center;gap:12px}
.sheet-h h2{font-size:23px;flex:1}
.m-prod{display:flex;gap:12px;align-items:center;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.m-prod .thumb{width:56px;height:56px;border-radius:10px}
.m-prod .th-n{font-size:17px}
.m-prod .th-n.sm{font-size:12px}
.m-prod .th-l{font-size:7.5px;letter-spacing:.12em}
.m-prod .th-ls,.m-prod .thumb::after{display:none}
.m-prod b{font-size:14px;line-height:1.35}
.steps{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;font-size:13.5px;counter-reset:s}
.steps li{display:flex;gap:10px;align-items:flex-start}
.steps li::before{counter-increment:s;content:counter(s);width:22px;height:22px;border-radius:50%;background:var(--amber-soft);color:var(--amber);font-weight:800;font-size:12px;display:grid;place-items:center;flex:none}
.mrows{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.mrow{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:52px;padding:8px 16px;border-bottom:1px solid var(--line);font-size:14px}
.mrow:last-child{border-bottom:0}
.mrow>span{color:var(--muted)}
.mrow small{display:block;font-size:12px;color:var(--muted)}
.mrow.total{background:var(--surface-2);font-weight:700}
.mrow.total>span{color:var(--ink)}
.mrow.total b{font-family:var(--f-display);font-size:22px;color:var(--red)}
.stepper{display:inline-flex;align-items:center;height:var(--h-sm);border:1px solid var(--line-2);border-radius:10px;overflow:hidden}
.stepper button{width:32px;height:100%;font-size:17px;font-weight:700;color:var(--muted)}
.stepper button:hover{background:var(--surface-2)}
.stepper output{min-width:36px;text-align:center;font-weight:700}
.warnbox{background:var(--amber-soft);border-radius:var(--r-s);padding:12px 14px;font-size:13.5px}
.errbox{background:var(--bad-soft);border-radius:var(--r-s);padding:12px 14px;font-size:13.5px}
.cpn{display:flex;gap:8px}
.cpn input{flex:1}
.cpn .btn{height:var(--h)}
.toast{position:fixed;left:50%;bottom:calc(88px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:90;background:var(--ink);color:var(--surface);padding:12px 18px;border-radius:14px;font-size:13.5px;font-weight:600;max-width:calc(100% - 32px);box-shadow:0 12px 34px rgba(0,0,0,.28);display:flex;gap:10px;align-items:center}
.drawer{position:fixed;inset:0;z-index:85;background:var(--scrim);display:flex;justify-content:flex-end}
.drawer-in{background:var(--surface);width:min(470px,100%);height:100%;overflow:auto;padding:24px max(24px,env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) 24px;display:flex;flex-direction:column;gap:20px}
.drawer-in h2{font-size:23px}
.note-sec{display:flex;flex-direction:column;gap:8px}
.note-sec h3{font-size:14px;text-transform:uppercase;letter-spacing:.08em;display:flex;align-items:center;gap:8px}
.note-sec h3::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.note-sec ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px;font-size:13.5px}
.note-sec.keep h3{color:var(--blue)} .note-sec.add h3{color:var(--ok)} .note-sec.cut h3{color:var(--bad)} .note-sec.data h3{color:var(--muted)}
/* bài viết */
.blog-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.blog-bar .search{max-width:360px}
.blist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.bc{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);text-align:left;transition:box-shadow .2s,border-color .2s}
.bc:hover{box-shadow:var(--sh-2);border-color:var(--line-2)}
.bc-img{position:relative;height:128px;display:flex;align-items:flex-end;padding:12px;color:#fff;background:linear-gradient(140deg,#3aa31b,#0f7d4e);overflow:hidden;flex:none}
.bc-img.c2{background:linear-gradient(140deg,#14a39b,#0e6987)}
.bc-img .bc-k{position:relative;z-index:1;height:22px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;background:rgba(0,0,0,.25);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.bc-img .i{position:absolute;right:12px;top:12px;width:48px;height:48px;opacity:.22}
.bc-body{display:flex;flex-direction:column;gap:10px;padding:16px;flex:1}
.bc-t{font-weight:700;font-size:15px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bc-x{font-size:13.5px;color:var(--muted)}
.bc-m{margin-top:auto;display:flex;gap:14px;align-items:center;font-size:12.5px;color:var(--muted)}
.bc-m span{display:inline-flex;align-items:center;gap:5px}
.bc.feat{grid-column:span 2;flex-direction:row}
.bc.feat .bc-img{height:auto;width:44%}
.bc.feat .bc-t{font-size:19px;font-family:var(--f-display)}
.more{display:flex;justify-content:center}
.crumb2{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--muted)}
.crumb2 button{color:var(--brand-strong);font-weight:600}
.post-grid{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:24px;align-items:start}
.post{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:32px;box-shadow:var(--sh-1);min-width:0}
.post h1{font-size:30px;line-height:1.2}
.post-m{display:flex;gap:16px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px;margin-top:12px}
.post-m span{display:inline-flex;align-items:center;gap:5px}
.post-m code{font-size:12px;background:var(--surface-3);border-radius:6px;padding:2px 8px;word-break:break-all}
.post-body{display:flex;flex-direction:column;gap:14px;margin-top:24px;font-size:15.5px;line-height:1.7;max-width:70ch}
.post-body h2{font-size:21px;margin-top:8px}
.post-body .note-k{color:var(--muted);font-style:italic}
.toc{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-s);padding:14px 18px;font-size:14.5px}
.toc b{display:block;margin-bottom:6px}
.toc ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}
.mini-list{display:flex;flex-direction:column;gap:8px}
.mini-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;align-items:center;padding-bottom:8px;border-bottom:1px solid var(--line)}
.mini-row:last-child{border-bottom:0;padding-bottom:0}
.mini-row b{font-size:13.5px;line-height:1.35}
.mini-row .p{font-family:var(--f-display);font-weight:800;color:var(--red);font-size:16px}
.mini-row small{grid-column:1/-1;font-size:12px;color:var(--muted)}
.pop{display:flex;flex-direction:column;gap:10px}
.pop button{text-align:left;font-size:13.5px;font-weight:600;line-height:1.4;color:var(--ink)}
.pop button:hover{color:var(--brand-strong)}
.pop small{display:block;font-weight:500;color:var(--muted);font-size:12px;margin-top:2px}
/* API */
.api-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:stretch}
.keyrow{display:flex;gap:8px;align-items:center}
.keyrow code{flex:1;min-width:0;height:var(--h-sm);display:flex;align-items:center;padding:0 12px;background:var(--surface-3);border-radius:10px;font-family:ui-monospace,Consolas,monospace;font-size:13px;overflow:hidden;white-space:nowrap}
.ic-code{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;background:var(--surface-3);border-radius:6px;padding:2px 7px;font-weight:600}
.ep-list{display:flex;flex-direction:column;gap:12px}
.ep{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);overflow:hidden}
.ep summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;min-height:58px;padding:0 16px}
.ep summary::-webkit-details-marker{display:none}
.ep summary>.i{color:var(--muted);transition:transform .15s}
.ep[open] summary>.i{transform:rotate(90deg)}
.mth{display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:24px;padding:0 8px;border-radius:6px;font-size:11px;font-weight:800;letter-spacing:.04em;flex:none}
.mth.m-get{background:var(--ok-soft);color:var(--ok)}
.mth.m-post{background:var(--blue-soft);color:var(--blue)}
.ep summary code{font-family:ui-monospace,Consolas,monospace;font-weight:700;font-size:13.5px}
.ep-d{margin-left:auto;color:var(--muted);font-size:13.5px;text-align:right}
.ep-b{display:flex;flex-direction:column;gap:12px;padding:16px;border-top:1px solid var(--line)}
.ep-b .tbl{box-shadow:none}
.ep-b td code{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;font-weight:700}
pre.code{margin:0;background:#0f1a14;color:#d6e9db;border-radius:var(--r-s);padding:12px 14px;font-family:ui-monospace,Consolas,monospace;font-size:12.5px;line-height:1.6;overflow-x:auto;white-space:pre}
.code-h{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.sf ul button{font:inherit;color:inherit;text-align:left}
@media (max-width:1100px){
  .hero{flex-direction:column;align-items:stretch;gap:16px}
  .hero-act .btn{flex:1}
}
@media (max-width:900px){
  .blist{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid,.api-grid{grid-template-columns:minmax(0,1fr)}
  .home-grid{grid-template-columns:minmax(0,1fr)}
  .side{position:static;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .sf-in{grid-template-columns:1fr 1fr 1fr}
  .sf-in>div:first-child{grid-column:1/-1}
  .sec-head{flex-direction:column;align-items:stretch;gap:12px}
  .tabs2{align-self:flex-start}
}
@media (max-width:640px){
  .mainnav{display:none}
  .ts-in>span{display:none}
  .ts-links{margin-left:0;justify-content:space-between;width:100%}
  .hdr-in{flex-wrap:wrap;gap:12px;padding-block:12px}
  .search{order:3;flex-basis:100%}
  .acct{margin-left:auto;gap:8px}
  .ava{width:36px;height:36px}
  .bal{height:40px}
  .hero{padding:16px;gap:14px}
  .hero h1{font-size:18px}
  .hero p{font-size:13px}
  .hero-note{flex-wrap:wrap}
  .hero-note>.i{display:none}
  .q-row{height:auto;min-height:56px;padding-block:8px;grid-template-columns:36px minmax(0,1fr) auto 16px}
  .q-row .mini{width:36px;height:36px}
  .q-row small{display:none}
  .tabs2{background:none;border:0;gap:8px}
  .tabs2 button{border:1px solid var(--line-2);background:var(--surface)}
  .tabs2 button.on{border-color:var(--ink)}
  .hero-note p{flex-basis:100%}
  .hero-note .btns{width:100%}
  .hero-note .btns .btn{flex:1}
  .trust{grid-template-columns:1fr 1fr;gap:8px}
  .tr{padding:10px;align-items:center;gap:10px}
  .tr .ic{width:32px;height:32px;border-radius:10px}
  .tr b{font-size:12.5px}
  .tr div span{display:none}
  .trust{order:3}
  .home-grid{order:2}
  .sec-head p{display:none}
  .sec-head{gap:10px;min-height:0}
  .tabs2{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding-inline:16px;scrollbar-width:none;align-self:stretch;max-width:none}
  .tabs2 button{flex:none}
  .pc{grid-template-columns:72px minmax(0,1fr);gap:14px;padding:14px;align-items:start}
  .thumb{width:72px;height:72px;border-radius:10px}
  .th-n{font-size:20px} .th-n.sm{font-size:14px} .th-l{font-size:8px;letter-spacing:.12em}
  .th-ls{height:15px;font-size:7.5px;padding:0 6px;margin-top:5px}
  .th-out{height:17px;font-size:8.5px}
  .pc-side{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 12px;border-left:0;border-top:1px solid var(--line);padding:12px 0 0}
  .pc-side .price{grid-column:1;grid-row:1}
  .pc-side .btn{grid-column:2;grid-row:1;width:auto;min-width:136px}
  .pc-side .avail{grid-column:1/-1;grid-row:2}
  .qr{flex-direction:column;align-items:flex-start}
  .shop-main{padding-bottom:104px}
  .tabbar{display:flex;gap:4px;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.06);padding:6px max(8px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px))}
  .tabbar button{flex:1;height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:600;color:var(--muted);border-radius:var(--r-s);position:relative}
  .tabbar button.on{color:var(--brand-strong);background:var(--brand-soft)}
  .tabbar .badge{position:absolute;top:4px;left:calc(50% + 6px)}
  .sf-in{grid-template-columns:1fr 1fr}
  .sheet{padding:20px}
  .blist{grid-template-columns:minmax(0,1fr)}
  .bc.feat{grid-column:auto;flex-direction:column}
  .bc.feat .bc-img{width:auto;height:128px}
  .bc.feat .bc-t{font-size:16px}
  .blog-bar .search{max-width:none;flex-basis:100%}
  .blog-bar .tabs2{flex:1 1 100%;min-width:0}
  .post{padding:20px}
  .post h1{font-size:23px}
  .ep summary{flex-wrap:wrap;padding-block:12px;gap:8px 12px}
  .ep-d{margin-left:0;flex-basis:100%;text-align:left;order:3}
  .ep summary>.i{margin-left:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- bổ sung cho web thật (14/11) ---------- */
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column}
body::before{background:var(--brand)}
main.shop-main{flex:1;width:100%}
img{max-width:100%}
[hidden]{display:none!important}
.side{top:16px}
@media (max-width:1100px){ .trust{grid-template-columns:repeat(2,minmax(0,1fr))} .dep{grid-template-columns:minmax(0,1fr)} }
.qr img{width:168px;height:168px;border-radius:var(--r);border:1px solid var(--line);background:#fff;padding:6px;flex:none;object-fit:contain}
.notice{background:var(--amber-soft);color:var(--ink);border-radius:var(--r);padding:12px 16px;font-size:13.5px;display:flex;gap:10px;align-items:flex-start}
.notice .i{color:var(--amber);margin-top:2px}
.okbox{background:var(--ok-soft);border-radius:var(--r-s);padding:12px 14px;font-size:13.5px}
.acc-list{display:flex;flex-direction:column;gap:6px;max-height:320px;overflow:auto}
.acc-list .acc-line{margin-top:0}
.login-wrap{display:grid;place-items:center;padding-block:24px}
.login-card{width:min(460px,100%);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:28px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--sh-2)}
.login-card h1{font-size:26px}
.tg-btn{min-height:48px;display:flex;align-items:center;justify-content:center}
.kv b.mono{font-family:ui-monospace,Consolas,monospace;letter-spacing:.02em}
.order-h{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.order-h h1{font-size:24px;flex:1;min-width:0}
.pager{display:flex;gap:8px;justify-content:center}
.ava img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.hdr .btn-login{height:44px;border-radius:999px;padding:0 18px}
.empty b{color:var(--ink)}
.sheet .acc-line{font-size:12px}
.tbl td .btn{white-space:nowrap}
@media (max-width:640px){
  .tbl table{min-width:560px}
  .login-card{padding:20px}
  .hdr .btn-login{height:40px;padding:0 14px}
}

.nav-in a{height:36px;padding:0 14px;border-radius:999px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:8px;white-space:nowrap}
.nav-in a:hover{color:var(--ink);background:var(--surface-2)}
.nav-in a.on{color:var(--brand-strong);background:var(--brand-soft)}
@media (max-width:640px){
  .tabbar a{flex:1;height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:600;color:var(--muted);border-radius:var(--r-s);position:relative}
  .tabbar a.on{color:var(--brand-strong);background:var(--brand-soft)}
  .tabbar a .badge{position:absolute;top:4px;left:calc(50% + 6px)}
}

.logo{display:flex;align-items:center;gap:10px}
.logo .mk{display:block;width:40px;height:40px;flex:none}
.logo .mk svg{display:block;width:100%;height:100%}
.brand{display:flex;align-items:baseline;font-family:var(--f-display);font-weight:800;font-size:24px;letter-spacing:-.015em;line-height:1;color:var(--ink);white-space:nowrap}
.brand b{font-weight:800}
.brand i{font-style:normal;color:var(--brand-strong)}
@media (max-width:640px){ .logo .mk{width:34px;height:34px} .brand{font-size:20px} }
/* trang API kiểu web CMSNT: mỗi lệnh 1 dòng có nút Copy */
.urlrow{display:flex;align-items:stretch;border:1px solid var(--line-2);border-radius:var(--r-s);overflow:hidden;background:var(--surface)}
.urlrow .mth2{display:flex;align-items:center;padding:0 14px;background:var(--surface-3);font-weight:700;font-size:13px;border-right:1px solid var(--line-2);white-space:nowrap}
.urlrow input{flex:1;min-width:0;border:0;padding:0 12px;height:44px;font-family:ui-monospace,Consolas,monospace;font-size:13px;background:transparent;color:var(--ink)}
.urlrow input:focus{outline:none}
.urlrow .btn{border-radius:0;height:auto;min-height:44px}
.fd{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 14px;font-size:14px;align-items:baseline}
.fd b{font-family:ui-monospace,Consolas,monospace;font-size:13.5px}
.fd span{color:var(--muted)}
.ipbox{display:flex;gap:8px;flex-wrap:wrap}
.ipbox input{flex:1 1 260px;min-width:0;height:var(--h);border:1px solid var(--line-2);background:var(--surface-2);border-radius:var(--r-s);padding:0 12px}

/* khung mã nhiều dòng: không dùng kiểu thẻ mã đơn (.code cao 24px) */
pre.code{display:block;height:auto;align-items:initial;white-space:pre;max-width:100%}

.urlrow .urlv{flex:1;min-width:0;display:flex;align-items:center;padding:10px 12px;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.5;word-break:break-all;color:var(--ink)}
.urlrow a.urlv{color:var(--blue);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--blue) 35%,transparent);text-underline-offset:3px}
.urlrow a.urlv:hover{background:var(--blue-soft)}
.urlrow .mth2{align-self:stretch}
@media (max-width:640px){ .urlrow{flex-wrap:wrap} .urlrow .urlv{flex-basis:calc(100% - 92px)} .urlrow .btn{flex:1 1 100%;min-height:40px;border-top:1px solid var(--line-2)} }