:root{
  --bg:#f6f4ef; --card:#fff; --ink:#1d1b18; --muted:#6f6a62; --line:#e4dfd5;
  --accent:#0f5c4a; --accent-ink:#fff; --accent-soft:#e3efe9; --hot:#c2410c; --hot-soft:#fdeee4;
  --danger:#b42318; --radius:12px; --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 16px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent)}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}

/* Header */
.top{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;gap:12px;min-height:60px}
.brand-title{font-weight:800;letter-spacing:.06em;font-size:19px;margin:0}
.brand-sub{font-size:11px;opacity:.7;letter-spacing:.04em}
.spacer{flex:1}
.cart-btn{white-space:nowrap;background:var(--accent);color:#fff;border:0;border-radius:999px;padding:9px 16px;font-weight:700;display:flex;gap:8px;align-items:center}
.cart-btn .count{background:#fff;color:var(--accent);border-radius:999px;min-width:22px;padding:0 6px;font-size:12px;line-height:22px;text-align:center}

/* Toolbar */
.toolbar{padding:16px 0 8px;display:flex;flex-direction:column;gap:12px}
.search{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.chip{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip small{opacity:.6;font-weight:500;margin-left:4px}
.sortrow{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted)}
.sortrow select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fff}

/* Product list */
.group h2{font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin:22px 0 10px;color:var(--muted);display:flex;align-items:center;gap:10px}
.group h2::after{content:"";flex:1;height:1px;background:var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;box-shadow:var(--shadow);overflow:hidden}
.card .name{font-weight:600;flex:1}
.card .row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.price{font-weight:800;font-variant-numeric:tabular-nums}
.badge{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;background:var(--hot-soft);color:var(--hot);padding:2px 8px;border-radius:999px;margin-bottom:4px}
.add{background:var(--accent-soft);color:var(--accent);border:0;border-radius:8px;padding:8px 12px;font-weight:700}
.add.in{background:var(--accent);color:#fff}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{border:0;background:#fff;width:32px;height:32px;font-weight:700}
.qty span{min-width:28px;text-align:center;font-variant-numeric:tabular-nums}
.empty{color:var(--muted);text-align:center;padding:40px 0}
.foot{color:var(--muted);font-size:12px;padding:30px 0 120px;text-align:center}

/* Drawer */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40;display:none}
.overlay.show{display:block}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(440px,100%);background:#fff;z-index:50;transform:translateX(100%);transition:transform .25s;display:flex;flex-direction:column}
.drawer.show{transform:none}
.drawer header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line)}
.drawer header h3{margin:0}
.x{border:0;background:none;font-size:24px;line-height:1}
.drawer .body{flex:1;overflow:auto;padding:16px}
.line{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.line .info{flex:1;min-width:0}
.line .info b{display:block;font-weight:600}
.line .info small{color:var(--muted)}
.drawer footer{border-top:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:10px}
.total{display:flex;justify-content:space-between;font-size:17px;font-weight:800}
label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:10px 0 4px}
.inp{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.btn{border:0;border-radius:10px;padding:12px 16px;font-weight:700;background:var(--accent);color:#fff}
.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.messenger{background:#0866ff}
.btn.danger{background:var(--danger)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:8px}

/* Modal */
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.45)}
.modal.show{display:flex}
.modal .box{background:#fff;border-radius:16px;max-width:460px;width:100%;padding:22px;max-height:90vh;overflow:auto}
.modal h3{margin:0 0 6px}
.modal pre{background:var(--bg);border-radius:8px;padding:12px;white-space:pre-wrap;font-size:13px;font-family:inherit;max-height:220px;overflow:auto}
.stack{display:flex;flex-direction:column;gap:8px;margin-top:12px}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:80;font-size:14px;display:none}
.toast.show{display:block}
.demo-bar{background:#fff7d6;color:#7a5b00;font-size:12px;text-align:center;padding:6px 12px}

/* Admin */
.tabs{display:flex;gap:6px;margin:16px 0}
.tab{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;font-weight:700}
.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1.2fr 2fr 1fr auto auto;gap:10px;align-items:end}
.form-grid .check{display:flex;align-items:center;gap:6px;font-size:13px;padding-bottom:10px;white-space:nowrap}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-size:12px;color:var(--muted);font-weight:700;padding:8px;border-bottom:1px solid var(--line);background:#fff}
.tbl td{padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl tr.off td{opacity:.45}
.tbl .acts{display:flex;gap:6px;justify-content:flex-end}
.brand-row td{background:var(--bg);font-weight:800;font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.brand-row button{font-size:11px;font-weight:600;text-transform:none;letter-spacing:0;margin-left:8px}
.login{max-width:360px;margin:12vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.status{font-size:12px;font-weight:700;padding:3px 8px;border-radius:999px;border:1px solid var(--line);background:#fff}
.order-card{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px}
.order-card .hd{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.order-card ul{margin:8px 0 0;padding-left:18px;font-size:14px}
.muted{color:var(--muted);font-size:13px}

@media (max-width:720px){
  .form-grid{grid-template-columns:1fr 1fr}
  .form-grid .full{grid-column:1/-1}
  .tbl .hide-sm{display:none}
  .brand-sub{display:none}
  .brand-title{font-size:16px;white-space:nowrap}
  .cart-btn{padding:8px 12px}
}

/* ===== v2: ảnh + phân loại ===== */
.grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.thumb{position:relative;aspect-ratio:1/1;background:#efece5;cursor:pointer;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .3s}
.card:hover .thumb img{transform:scale(1.03)}
.thumb .badge{position:absolute;top:10px;left:10px;margin:0}
.ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;color:#a39d92;font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:13px;text-align:center;padding:12px}
.ph svg{width:44px;height:44px;opacity:.5}
.cbody{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.cbrand{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.card .name{cursor:pointer}
.vtags{display:flex;flex-wrap:wrap;gap:4px}
.vtag{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:1px 8px;color:var(--muted);background:#fff}
.card .row{margin-top:auto;padding-top:6px}
.incart{font-size:11px;font-weight:700;color:var(--accent)}

/* Chi tiết sản phẩm */
.pbox{max-width:880px!important;padding:0!important;position:relative}
.pbox .x.close{position:absolute;top:8px;right:12px;z-index:2;background:#fff;border-radius:999px;width:36px;height:36px}
.pgrid{display:grid;grid-template-columns:1.1fr 1fr}
.gallery{background:#efece5;display:flex;flex-direction:column}
.gallery .main{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery .main img{width:100%;height:100%;object-fit:contain}
.gthumbs{display:flex;gap:6px;padding:8px;overflow-x:auto}
.gthumbs button{flex:0 0 56px;height:56px;border:2px solid transparent;border-radius:8px;padding:0;background:#fff;overflow:hidden}
.gthumbs button.on{border-color:var(--ink)}
.gthumbs img{width:100%;height:100%;object-fit:cover}
.pinfo{padding:24px;display:flex;flex-direction:column;gap:10px}
.pinfo h3{font-size:22px;margin:0;line-height:1.25}
.price.big{font-size:24px}
.vlabel{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:6px}
.vopts{display:flex;flex-wrap:wrap;gap:8px}
.vopt{border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;text-align:left;display:flex;gap:8px;align-items:center}
.vopt img{width:30px;height:30px;object-fit:cover;border-radius:6px}
.vopt small{display:block;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.vopt.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.desc{white-space:pre-line;color:#3f3b35;font-size:14px;margin:4px 0 0}
.buyrow{display:flex;gap:10px;align-items:center;margin-top:auto;padding-top:10px}
.buyrow .btn{flex:1}
.qty.lg button{width:40px;height:44px}
.line .lthumb{width:48px;height:48px;border-radius:8px;background:#efece5;object-fit:contain;flex:0 0 48px}

/* Admin editor */
.lthumb.sm{width:40px;height:40px;flex-basis:40px;border-radius:6px;object-fit:cover;display:block}
.tbl td.tcell{width:52px}
.ed .box{max-width:760px}
.ed h3{margin-bottom:12px}
.ed-grid{display:grid;grid-template-columns:1fr 2fr;gap:10px}
.ed-grid.three{grid-template-columns:1fr 1.6fr 1.4fr}
.ed-sec{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.ed-sec h4{margin:0 0 8px;font-size:14px;display:flex;align-items:center;gap:8px}
.imgs{display:flex;flex-wrap:wrap;gap:8px}
.imgbox{position:relative;width:84px;height:84px;border-radius:10px;overflow:hidden;background:#efece5;border:1px solid var(--line)}
.imgbox img{width:100%;height:100%;object-fit:cover}
.imgbox .rm{position:absolute;top:3px;right:3px;width:22px;height:22px;border-radius:999px;border:0;background:rgba(0,0,0,.65);color:#fff;font-size:14px;line-height:22px;padding:0}
.imgbox .cover{position:absolute;left:0;right:0;bottom:0;font-size:10px;font-weight:700;text-align:center;background:rgba(0,0,0,.6);color:#fff;padding:2px 0;border:0}
.imgbox.loading{display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted)}
.addimg{width:84px;height:84px;border:1.5px dashed #bdb6a9;border-radius:10px;background:#fff;color:var(--muted);font-size:12px;font-weight:600;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.addimg b{font-size:22px;line-height:1}
.vrow{display:grid;grid-template-columns:52px 1.3fr 1.5fr .9fr auto auto;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line)}
.vimg{width:52px;height:52px;border-radius:8px;border:1.5px dashed #bdb6a9;background:#fff;overflow:hidden;padding:0;position:relative;font-size:10px;color:var(--muted)}
.vimg img{width:100%;height:100%;object-fit:cover}
.vrow .check{display:flex;align-items:center;gap:4px;font-size:12px;white-space:nowrap}
.ed-foot{display:flex;gap:8px;justify-content:flex-end;margin-top:18px;position:sticky;bottom:-22px;background:#fff;padding:12px 0}
.linkbtn{border:0;background:none;color:var(--accent);font-weight:700;font-size:13px;padding:0}

@media (max-width:720px){
  .pgrid{grid-template-columns:1fr}
  .pinfo{padding:16px}
  .ed-grid,.ed-grid.three{grid-template-columns:1fr}
  .vrow{grid-template-columns:52px 1fr 1fr}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .cbody{padding:10px}
  .card .row{flex-wrap:wrap}
  .price{font-size:14px}
}

.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.02em}
.inp.mono{font-size:13px}
.vrow .vdesc{grid-column:2/-1;resize:vertical;min-height:38px;font-size:13px}
.vdesc-view{font-size:13px;color:#3f3b35;background:var(--bg);border-radius:8px;padding:8px 10px;white-space:pre-line}

/* Sold out */
.soldtag{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-8deg);background:var(--ink);color:#fff;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:13px;padding:6px 14px;border-radius:6px;white-space:nowrap}
.card.sold .thumb img,.card.sold .thumb .ph{opacity:.4;filter:grayscale(1)}
.card.sold .price{color:var(--muted)}
.add.soldbtn{background:#ebe7df;color:var(--muted);cursor:not-allowed}
.vtag.off{text-decoration:line-through;opacity:.6}
.vopt.off{opacity:.55;border-style:dashed}
.vopt.off small{color:var(--danger)}
.vopt.off.on{opacity:.8}
.soldchip{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;background:var(--ink);color:#fff;border-radius:999px;padding:1px 7px;margin-left:6px;vertical-align:middle}

.group.hot h2{color:var(--hot)}
.group.hot h2::after{background:var(--hot-soft)}

/* Sắp xếp trong admin */
.mv{display:inline-flex;gap:2px;margin-right:6px;vertical-align:middle}
.mv .btn.sm{padding:4px 7px;font-size:12px;min-width:26px}
.brand-row .mv .btn{margin-left:0}
.bpos{color:var(--muted);font-weight:600;margin-right:2px}
.star{border:0;background:none;font-size:18px;line-height:1;color:#d6d0c4;padding:2px 4px}
.star.on{color:#e8a317}

/* Chọn bảng giá */
.plbar{display:flex;flex-wrap:wrap;gap:8px;padding-top:16px}
.plbtn{flex:1 1 200px;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:10px 14px;text-align:left;display:flex;flex-direction:column;gap:2px}
.plbtn b{font-size:14px}
.plbtn small{font-size:12px;color:var(--muted);font-weight:600}
.plbtn.on{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent)}
.plbtn.on small{color:var(--accent)}
.plnote{flex-basis:100%;font-size:12px;color:var(--muted)}

/* Bảng giá (admin) */
.plcard{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.plcard.off{background:#faf8f4}
.plgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;align-items:end}
.plgrid label{margin:0;display:flex;flex-direction:column;gap:4px}
.plgrid .w2{grid-column:span 2}
.plgrid .chk{flex-direction:row;align-items:center;gap:6px;color:var(--ink);padding-bottom:10px}
.plgrid label[hidden]{display:none}
.plfoot{display:flex;gap:10px;align-items:center;margin-top:8px;font-size:13px}
.plp{font-size:11px;white-space:nowrap}
.plchip{font-size:11px;font-weight:700;border-radius:999px;padding:2px 8px;background:var(--accent-soft);color:var(--accent)}
.vrow .vprices{grid-column:2/-1;display:flex;flex-wrap:wrap;gap:8px}
.vrow .vprices label{margin:0;display:flex;flex-direction:column;gap:3px;flex:1 1 180px;font-size:12px}
.vrow .vprices small{font-weight:500}
@media (max-width:720px){ .plgrid{grid-template-columns:1fr 1fr} .plgrid .w2{grid-column:1/-1} }

.vrow .vpl{border:1px solid var(--line);border-radius:10px;padding:6px 10px 10px;margin:0;flex:1 1 300px;display:flex;gap:8px}
.vrow .vpl legend{font-size:12px;font-weight:700;padding:0 4px}
.vrow .vpl legend small{font-weight:500;color:var(--muted)}
.vrow .vpl .vres{color:var(--accent);margin-left:4px}
.vrow .vpl label{flex:1}

.dbg{position:fixed;left:8px;bottom:8px;z-index:90;background:rgba(0,0,0,.85);color:#9f9;font:12px/1.5 ui-monospace,monospace;padding:8px 10px;border-radius:8px;max-width:calc(100% - 16px)}

/* Admin: sale, đánh giá, giao diện */
.salet{border:1px solid var(--line);background:#fff;border-radius:999px;font-size:11px;font-weight:700;padding:2px 8px;margin-left:4px;color:var(--muted)}
.salet.on{background:#13202E;color:#E2EE3F;border-color:#13202E}
.tabbadge{display:inline-block;min-width:18px;height:18px;line-height:18px;border-radius:9px;background:#d9483b;color:#fff;font-size:11px;text-align:center;padding:0 5px;margin-left:4px}
.chkl{margin:0;display:flex;gap:6px;align-items:center;color:var(--ink);font-size:14px}
.themes,.layouts{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:8px}
.themecard,.layoutcard{border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:12px;text-align:left;display:flex;flex-direction:column;gap:4px}
.themecard.on,.layoutcard.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.themecard .sw{display:flex;gap:4px;margin-bottom:4px}
.themecard .sw i{width:28px;height:28px;border-radius:6px;border:1px solid rgba(0,0,0,.08)}
.themecard small,.layoutcard small{color:var(--muted);font-size:12px}
.layoutcard svg{width:64px;height:54px;color:#9aa7b5;margin-bottom:4px}
.rvadm .imgs .imgbox{width:72px;height:72px}
.tabbadge[hidden]{display:none}

/* Bậc giá theo số lượng (admin) */
.tiered{margin-top:12px;border-top:1px dashed var(--line);padding-top:10px;display:flex;flex-direction:column;gap:6px}
.tiered .th{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.inp.sm{padding:6px 8px;font-size:13px;width:auto}
.trow{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:13px}
.trow input.inp.sm{width:90px}
.tprev{font-size:12px;display:flex;flex-wrap:wrap;gap:4px 10px;align-items:center}
.tpv{background:var(--bg);border-radius:6px;padding:2px 6px}
.vrow .vtiers{grid-column:2/-1;display:flex;flex-direction:column;gap:8px}
.vrow .vtiers .vpl{flex-wrap:wrap}
.vrow .vtiers label{flex:1 1 110px;font-size:12px;margin:0;display:flex;flex-direction:column;gap:3px}
/* Bảng giảm theo số lượng (admin › Bảng giá) */
.ttable{width:100%;border-collapse:collapse;font-size:13px}
.ttable th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;padding:4px 6px;border-bottom:1px solid var(--line)}
.ttable td{padding:5px 6px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}
.ttable tr.t1 td{background:var(--bg)}
.ttable input.inp.sm{width:84px}
.ttable .toff{display:inline-flex;gap:4px;align-items:center}
.ttable .toff select{width:auto}
.tfoot2{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:12px}
@media (max-width:620px){.tiered{overflow-x:auto}.ttable input.inp.sm{width:70px}}
.vrow .vcmp{grid-column:2/-1;display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12.5px;font-weight:600;margin:0}
.vrow .vcmp .inp{width:150px;padding:6px 8px}