/* RoboShop — Layout: sticky header, breadboard-dot hero with kit level ladder, product shelves, admin as tabbed workbench */
:root{
  --bg:#f4f7f5; --surface:#ffffff; --surface2:#eaf1ed; --ink:#0f1f19; --muted:#56675f; --line:#d6e1db;
  --pcb:#0d5c45; --pcb-ink:#ffffff; --pcb-soft:#d9ece4; --copper:#a95f22; --copper-soft:#f6e6d6;
  --ok:#1b7a43; --warn:#b26a00; --bad:#b3261e; --dot:rgba(13,92,69,.16);
  --f-display:"Bai Jamjuree","IBM Plex Sans Thai",system-ui,sans-serif;
  --f-body:"IBM Plex Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --r:10px; --shadow:0 1px 2px rgba(15,31,25,.06),0 6px 20px rgba(15,31,25,.06);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1512; --surface:#12201b; --surface2:#182a23; --ink:#e4eee8; --muted:#94a99f; --line:#24392f;
  --pcb:#3fb489; --pcb-ink:#062018; --pcb-soft:#173a2e; --copper:#e39b5b; --copper-soft:#3a2716;
  --ok:#5cc98a; --warn:#e5a94a; --bad:#ef7a70; --dot:rgba(63,180,137,.16); --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.25); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b1512; --surface:#12201b; --surface2:#182a23; --ink:#e4eee8; --muted:#94a99f; --line:#24392f;
  --pcb:#3fb489; --pcb-ink:#062018; --pcb-soft:#173a2e; --copper:#e39b5b; --copper-soft:#3a2716;
  --ok:#5cc98a; --warn:#e5a94a; --bad:#ef7a70; --dot:rgba(63,180,137,.16); --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.25); color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.25;margin:0;text-wrap:balance}
a{color:var(--pcb)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:16px}
.mono{font-family:var(--f-mono);font-size:.82em;letter-spacing:.02em}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:12px;min-height:62px;flex-wrap:wrap;padding-block:6px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:700;font-size:20px;margin-right:auto}
.brand svg{width:32px;height:32px;color:var(--pcb)}
.brand-ic{display:inline-flex;width:32px;height:32px}
.brand img{height:40px;width:auto;max-width:180px;object-fit:contain;display:block}
@media (max-width:480px){.brand img{height:34px;max-width:140px}}
nav.main{display:flex;gap:2px;flex-wrap:wrap}
nav.main a{padding:7px 11px;border-radius:8px;text-decoration:none;color:var(--muted);font-weight:500}
nav.main a:hover{color:var(--ink);background:var(--surface2)}
nav.main a.on{color:var(--pcb);background:var(--pcb-soft)}
.iconbtn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;cursor:pointer;font-weight:500}
.iconbtn:hover{border-color:var(--pcb)}
.iconbtn svg{width:18px;height:18px}
.badge-count{background:var(--copper);color:#fff;border-radius:999px;font-size:12px;min-width:20px;padding:0 6px;text-align:center;font-variant-numeric:tabular-nums}
@media (max-width:760px){nav.main{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap}nav.main a{white-space:nowrap}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:9px 16px;cursor:pointer;font-weight:600;background:var(--pcb);color:var(--pcb-ink);text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--pcb);color:var(--pcb)}
.btn.copper{background:var(--copper);color:#fff}
.btn.danger{background:transparent;color:var(--bad);border-color:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:7px}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}

/* hero */
.hero{background-color:var(--surface);background-image:radial-gradient(var(--dot) 1.6px,transparent 1.7px);background-size:18px 18px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;padding-block:40px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-block:28px}}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper)}
.hero h1{font-size:clamp(28px,4.4vw,44px);margin-block:10px 12px}
.hero p.lead{font-size:17px;color:var(--muted);max-width:52ch;margin:0 0 20px}
.hero .ctas{display:flex;gap:10px;flex-wrap:wrap}
.pinned{margin-top:22px;display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;max-width:560px}
.pinned .tag{flex:none}
.ladder{display:grid;gap:10px;align-content:center}
.rung{display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;text-decoration:none;color:var(--ink);cursor:pointer;transition:box-shadow .15s,border-color .15s}
.rung:hover{border-color:var(--pcb);box-shadow:inset 4px 0 0 var(--pcb)}
.rung .ic{width:56px;height:56px;border-radius:10px;background:var(--pcb-soft);color:var(--pcb);display:grid;place-items:center}
.rung .ic svg{width:38px;height:38px}
.rung h3{font-size:16px}
.lvl{display:flex;gap:3px}
.lvl i{width:8px;height:18px;border-radius:2px;background:var(--line)}
.lvl i.on{background:var(--copper)}

/* sections */
section.block{padding-block:34px}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.sec-head h2{font-size:24px}
.sec-head .sub{color:var(--muted);font-size:14px}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.cat{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);cursor:pointer;text-align:center;font-weight:500}
.cat:hover{border-color:var(--pcb);color:var(--pcb)}
.cat svg{width:40px;height:40px;color:var(--pcb)}
.cat small{color:var(--muted);font-size:12px}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;min-width:0}
.card:hover{box-shadow:var(--shadow)}
.thumb{position:relative;aspect-ratio:4/3;max-width:100%;display:grid;place-items:center;cursor:pointer;background-color:var(--surface2);background-image:radial-gradient(var(--dot) 1.2px,transparent 1.3px);background-size:14px 14px;color:var(--pcb)}
.thumb svg{width:44%;height:auto}
.thumb .flags{position:absolute;top:8px;left:8px;display:flex;gap:4px;flex-wrap:wrap}
.rank{position:absolute;top:8px;right:8px;font-family:var(--f-display);font-weight:700;font-size:15px;background:var(--copper);color:#fff;border-radius:6px;padding:0 8px}
.tag{display:inline-block;font-size:11.5px;font-weight:600;padding:1px 8px;border-radius:999px;letter-spacing:.02em}
.tag.new{background:var(--pcb);color:var(--pcb-ink)}
.tag.pop{background:var(--copper);color:#fff}
.tag.best{background:var(--ink);color:var(--surface)}
.tag.soft{background:var(--surface2);color:var(--muted);border:1px solid var(--line)}
.tag.dealer{background:var(--copper-soft);color:var(--copper)}
.card .body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.card .body h3{font-size:15px;font-weight:600;cursor:pointer}
.card .catname{font-size:12px;color:var(--muted)}
.price{font-family:var(--f-display);font-weight:700;font-size:19px;color:var(--copper);font-variant-numeric:tabular-nums}
.price s{font-size:13px;color:var(--muted);font-weight:500;margin-left:6px}
.card .foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:8px}
.stock{font-size:12.5px;display:inline-flex;align-items:center;gap:5px}
.stock::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.stock.ok{color:var(--ok)}.stock.low{color:var(--warn)}.stock.out{color:var(--bad)}

/* shop layout */
.shop{display:grid;grid-template-columns:240px 1fr;gap:22px;padding-block:24px}
@media (max-width:860px){.shop{grid-template-columns:1fr}}
.side{display:flex;flex-direction:column;gap:16px;min-width:0}
.side h4{font-size:13px;font-family:var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.filter{display:flex;flex-direction:column;gap:2px}
.filter button{display:flex;justify-content:space-between;text-align:left;border:0;background:transparent;padding:7px 10px;border-radius:7px;cursor:pointer}
.filter button:hover{background:var(--surface2)}
.filter button.on{background:var(--pcb-soft);color:var(--pcb);font-weight:600}
.filter button span{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
@media (max-width:860px){.filter{flex-direction:row;flex-wrap:wrap}.filter button{border:1px solid var(--line)}}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input[type=search]{flex:1;min-width:180px}
input[type=text],input[type=search],input[type=number],input[type=email],input[type=tel],input[type=date],input[type=password],input[type=url],select,textarea{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px 11px;width:100%;min-width:0}
textarea{resize:vertical;min-height:80px}
input:focus,select:focus,textarea:focus{border-color:var(--pcb);outline:none;box-shadow:0 0 0 3px var(--pcb-soft)}
label.f{display:flex;flex-direction:column;gap:4px;font-size:13.5px;font-weight:500}
label.chk{display:inline-flex;align-items:center;gap:7px;font-size:14px;cursor:pointer}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .full{grid-column:1/-1}
@media (max-width:560px){.form{grid-template-columns:1fr}}

/* news */
.news{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.news article{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:6px;min-width:0}
.news article h3{font-size:17px}
.news article p{margin:0;color:var(--muted);font-size:14px}
.news .meta{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted)}

/* dealers */
.dealers{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.dealer{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:4px;min-width:0}
.dealer .prov{font-family:var(--f-mono);font-size:12px;color:var(--copper);letter-spacing:.06em}
.dealer h3{font-size:16px}
.dealer .ct{font-size:14px;color:var(--muted);word-break:break-word}
.cta-band{background:var(--pcb);color:var(--pcb-ink);border-radius:14px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.cta-band h3{font-size:21px}
.cta-band p{margin:4px 0 0;opacity:.85}
.cta-band .btn{background:var(--pcb-ink);color:var(--pcb)}

/* drawer & modal */
.scrim{position:fixed;inset:0;background:rgba(5,15,11,.45);z-index:40;display:flex;justify-content:flex-end}
.drawer{width:min(420px,100%);height:100%;background:var(--surface);display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom,0px);padding-top:env(safe-area-inset-top,0px)}
.drawer header,.modal header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.drawer .items{flex:1;overflow:auto;padding:8px 18px}
.drawer footer{border-top:1px solid var(--line);padding:14px 18px;display:flex;flex-direction:column;gap:8px}
.line{display:grid;grid-template-columns:52px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.line .mini{width:52px;height:52px;border-radius:8px;background:var(--surface2);display:grid;place-items:center;color:var(--pcb)}
.line .mini svg{width:30px;height:30px}
.line .nm{font-weight:500;font-size:14px;min-width:0}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{border:0;background:transparent;width:30px;height:30px;cursor:pointer;font-size:16px}
.qty button:hover{background:var(--surface2)}
.qty span{min-width:30px;text-align:center;font-variant-numeric:tabular-nums}
.sum{display:flex;justify-content:space-between;font-variant-numeric:tabular-nums}
.sum.total{font-family:var(--f-display);font-weight:700;font-size:19px}
.scrim.center{justify-content:center;align-items:center;padding:16px}
.modal{background:var(--surface);border-radius:14px;width:min(720px,100%);max-height:calc(100% - 20px);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow)}
.modal .content{padding:18px;overflow:auto}
.modal .actions{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--line);flex-wrap:wrap}
.x{border:0;background:transparent;font-size:22px;cursor:pointer;color:var(--muted);line-height:1;padding:4px 8px}
.pd{display:grid;grid-template-columns:1fr 1.1fr;gap:20px}
@media (max-width:620px){.pd{grid-template-columns:1fr}}
.pd .thumb{border-radius:var(--r);cursor:default}
.specs{width:100%;border-collapse:collapse;font-size:14px;margin-top:6px}
.specs td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}
.specs td:first-child{color:var(--muted);width:40%;padding-right:10px}

/* notices */
.note{background:var(--surface2);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;font-size:14px}
.note.warn{background:var(--copper-soft);border-color:transparent}
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:10px 18px;border-radius:999px;z-index:60;font-weight:500;box-shadow:var(--shadow)}

/* account / admin */
.page{padding-block:26px}
.page > h1{font-size:28px;margin-bottom:6px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-block:16px;overflow-x:auto}
.tabs button{border:0;background:transparent;padding:9px 14px;cursor:pointer;color:var(--muted);font-weight:500;border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--pcb);border-bottom-color:var(--pcb)}
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.kpi .v{font-family:var(--f-display);font-weight:700;font-size:26px;font-variant-numeric:tabular-nums}
.kpi .l{color:var(--muted);font-size:13px}
.kpi.alert .v{color:var(--warn)}
.tbl-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
.tbl th{text-align:left;font-weight:600;font-size:12.5px;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface2);white-space:nowrap}
.tbl td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl td.r,.tbl th.r{text-align:right;font-variant-numeric:tabular-nums}
.tbl .acts{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap}
.pill{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.pill.s-pending{background:var(--copper-soft);color:var(--copper)}
.pill.s-paid{background:var(--pcb-soft);color:var(--pcb)}
.pill.s-confirmed{background:var(--pcb);color:var(--pcb-ink)}
.pill.s-shipped{background:var(--ink);color:var(--surface)}
.pill.s-cancelled{background:var(--surface2);color:var(--bad);border:1px solid var(--line)}
.pill.in{background:var(--pcb-soft);color:var(--pcb)}.pill.out{background:var(--copper-soft);color:var(--copper)}
.row-gap{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.order{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:8px}
.order .oh{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}
.order ul{margin:0;padding-left:18px;font-size:14px}
.stack{display:flex;flex-direction:column;gap:12px}
.confirm-inline{display:inline-flex;gap:6px;align-items:center;font-size:13px}
footer.site{border-top:1px solid var(--line);background:var(--surface);margin-top:30px}
footer.site .wrap{padding-block:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---- additions for PHP version ---- */
:root{color-scheme:light}
body{margin:0}
.thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.pd .thumb{position:relative;overflow:hidden}
.line .mini img{width:52px;height:52px;object-fit:cover;border-radius:8px}
.auth-box{max-width:440px;margin:40px auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}
.auth-box h1{font-size:24px;margin-bottom:6px}
.auth-switch{display:flex;gap:4px;background:var(--surface2);border-radius:9px;padding:4px;margin-bottom:16px}
.auth-switch button{flex:1;border:0;background:transparent;padding:8px;border-radius:7px;cursor:pointer;font-weight:600;color:var(--muted)}
.auth-switch button.on{background:var(--surface);color:var(--pcb);box-shadow:var(--shadow)}
.err{color:var(--bad);font-size:13.5px;min-height:1em}
.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 62px)}
.admin-side{background:var(--surface);border-right:1px solid var(--line);padding:16px 10px;display:flex;flex-direction:column;gap:2px}
.admin-side button{display:flex;align-items:center;gap:8px;text-align:left;border:0;background:transparent;padding:9px 12px;border-radius:8px;cursor:pointer;color:var(--muted);font-weight:500}
.admin-side button:hover{background:var(--surface2);color:var(--ink)}
.admin-side button.on{background:var(--pcb-soft);color:var(--pcb)}
.admin-side .cnt{margin-left:auto;background:var(--copper);color:#fff;border-radius:999px;font-size:11.5px;padding:0 7px}
.admin-main{padding:22px 24px;min-width:0}
.admin-main h1{font-size:24px;margin-bottom:14px}
@media (max-width:860px){.admin-shell{grid-template-columns:1fr}.admin-side{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}.admin-side button{white-space:nowrap}.admin-main{padding:18px 16px}}
.bars{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:10px}
.bars div{flex:1;background:var(--pcb);border-radius:4px 4px 0 0;min-height:2px;position:relative}
.bars div span{position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);white-space:nowrap}
.chart-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 16px 30px;margin-bottom:20px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:860px){.two{grid-template-columns:1fr}}
.imgprev{width:120px;height:90px;border-radius:8px;border:1px solid var(--line);object-fit:cover;background:var(--surface2)}
.slip{max-width:100%;border-radius:8px;border:1px solid var(--line)}

a.iconbtn{text-decoration:none;color:inherit}

/* ---- จัดซื้อ (PO/GR) ---- */
.side-group{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:14px 12px 4px}
@media (max-width:860px){.side-group{display:none}}
.kpi[role=button]{cursor:pointer}
.kpi[role=button]:hover{border-color:var(--pcb)}
#lnBody select,#lnBody input,tr.gl input{padding:6px 8px}

/* แบนเนอร์หน้าแรก */
.bn{padding-top:16px;background:var(--surface)}
.bn-view{position:relative;overflow:hidden;border-radius:var(--r);aspect-ratio:16/5;background:var(--surface2);touch-action:pan-y;user-select:none}
.bn-track{display:flex;height:100%;transition:transform .5s ease}
.bn-slide{flex:0 0 100%;height:100%;display:block}
.bn-slide img{width:100%;height:100%;object-fit:cover;display:block;-webkit-user-drag:none}
.bn-nav{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.88);color:#111;font-size:26px;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.2);opacity:0;transition:opacity .2s}
.bn-view:hover .bn-nav,.bn-nav:focus-visible{opacity:1}
.bn-nav.prev{left:12px}.bn-nav.next{right:12px}
.bn-dots{position:absolute;left:0;right:0;bottom:10px;display:flex;justify-content:center;gap:6px}
.bn-dots button{width:9px;height:9px;border-radius:99px;border:0;background:rgba(255,255,255,.65);padding:0;cursor:pointer;box-shadow:0 0 0 1px rgba(0,0,0,.18);transition:width .2s}
.bn-dots button.on{width:22px;background:#fff}
@media (max-width:760px){.bn{padding-top:10px}.bn-nav{display:none}.bn-dots{bottom:6px}}
@media (prefers-reduced-motion:reduce){.bn-track{transition:none}}

/* แกลเลอรีรูปสินค้า */
.gal{display:grid;gap:8px;min-width:0}
.gal-main{border-radius:var(--r);cursor:default;overflow:hidden;touch-action:pan-y;user-select:none}
.gal-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:#111;font-size:22px;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.2);z-index:2}
.gal-nav.prev{left:8px}.gal-nav.next{right:8px}
.gal-count{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;padding:1px 8px;border-radius:99px;z-index:2}
.gal-thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}
.gal-thumbs button{flex:0 0 64px;height:64px;border-radius:8px;border:2px solid var(--line);padding:0;overflow:hidden;background:var(--surface2);cursor:pointer;position:relative}
.gal-thumbs button.on{border-color:var(--pcb)}
.gal-thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.card .thumb .more{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.55);color:#fff;font-size:11.5px;padding:1px 7px;border-radius:99px}

.gal-admin{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 8px}
.gal-admin .ga{display:flex;flex-direction:column;gap:2px;width:120px;font-size:12.5px;font-weight:400}
.gal-admin .ga img{width:120px;height:90px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}

/* ================= ธีมหน้าร้าน (หลังร้าน → ธีม โลโก้ แบนเนอร์) =================
   <html data-skin="power|school|night"> · ไม่มี data-skin = ธีมเดิม (เขียวแผงวงจร รองรับโหมดมืดอัตโนมัติ) */

/* A · พลังหุ่นยนต์ — น้ำเงินเข้ม + ส้ม */
:root[data-skin="power"]{--bg:#f5f6fa;--surface:#fff;--surface2:#eef0f6;--ink:#121a33;--muted:#596179;--line:#e1e4ee;--pcb:#f2610f;--pcb-ink:#fff;--pcb-soft:#ffe9db;--copper:#d9480f;--copper-soft:#ffe3d1;
  --ok:#1b7a43;--warn:#b26a00;--bad:#b3261e;--dot:rgba(242,97,15,.14);--shadow:0 1px 2px rgba(18,26,51,.06),0 6px 20px rgba(18,26,51,.07);
  --f-display:"Kanit","IBM Plex Sans Thai",system-ui,sans-serif;--r:14px;color-scheme:light}
[data-skin="power"] header.top{background:#101b3b;border-bottom:0}
[data-skin="power"] .brand{color:#fff}[data-skin="power"] .brand svg{color:#ff8a3d}
[data-skin="power"] nav.main a{color:#c3cbe4}[data-skin="power"] nav.main a:hover{background:rgba(255,255,255,.08);color:#fff}[data-skin="power"] nav.main a.on{background:rgba(255,138,61,.18);color:#ffb37f}
[data-skin="power"] header.top .iconbtn{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}[data-skin="power"] header.top .iconbtn:hover{border-color:#ff8a3d}
[data-skin="power"] .hero{background:radial-gradient(circle at 92% 8%,rgba(242,97,15,.55),transparent 38%),linear-gradient(140deg,#101b3b 0%,#1b3270 70%,#22408f 100%);border:0;color:#fff}
[data-skin="power"] .hero h1{font-weight:600;font-size:clamp(28px,3.8vw,42px)}[data-skin="power"] .hero p.lead{color:#cdd5ee}[data-skin="power"] .eyebrow{color:#ffb37f}
[data-skin="power"] .hero .btn.ghost{color:#fff;border-color:rgba(255,255,255,.45)}
[data-skin="power"] .hero .pinned{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}[data-skin="power"] .hero .pinned .muted{color:#c3cbe4}[data-skin="power"] .hero .pinned a{color:#ffb37f}
[data-skin="power"] .rung{border:0;box-shadow:0 8px 24px rgba(0,0,0,.18)}[data-skin="power"] .rung:hover{box-shadow:0 12px 30px rgba(0,0,0,.16)}
[data-skin="power"] .rung .ic{background:linear-gradient(135deg,#ff8a3d,#f2610f);color:#fff}
[data-skin="power"] .btn{border-radius:999px}
[data-skin="power"] .card{border:0;box-shadow:0 2px 10px rgba(18,26,51,.07);transition:box-shadow .15s}[data-skin="power"] .card:hover{box-shadow:0 10px 28px rgba(18,26,51,.14)}
[data-skin="power"] .thumb{background:linear-gradient(160deg,#fff4ec,#ffe2cf);color:#f2610f}
[data-skin="power"] .cat{border:0;box-shadow:0 2px 10px rgba(18,26,51,.06)}[data-skin="power"] .cat:hover{color:#f2610f}
[data-skin="power"] .cta-band{background:linear-gradient(120deg,#f2610f,#ff8a3d);color:#fff}[data-skin="power"] .cta-band .btn{background:#101b3b;color:#fff}
[data-skin="power"] footer.site{background:#101b3b;color:#c3cbe4;border-top:0}[data-skin="power"] footer.site b{color:#fff!important}[data-skin="power"] footer.site a{color:#ffb37f}

/* B · สดใสโรงเรียน — ฟ้า + เหลือง */
:root[data-skin="school"]{--bg:#f2f7ff;--surface:#fff;--surface2:#e6f0ff;--ink:#0b2545;--muted:#4f6480;--line:#d6e4f7;--pcb:#1c6cf0;--pcb-ink:#fff;--pcb-soft:#dfeaff;--copper:#e8590c;--copper-soft:#ffe8d6;
  --ok:#1b7a43;--warn:#b26a00;--bad:#b3261e;--dot:rgba(28,108,240,.14);--shadow:0 1px 2px rgba(11,37,69,.06),0 6px 20px rgba(11,37,69,.07);
  --f-display:"Prompt","IBM Plex Sans Thai",system-ui,sans-serif;--r:18px;color-scheme:light}
[data-skin="school"] .hero{background:radial-gradient(circle at 88% 18%,#4d90ff 0 150px,transparent 151px),radial-gradient(circle at -2% 125%,#ffd23f 0 150px,transparent 151px),radial-gradient(circle at 60% 120%,#3b82f6 0 90px,transparent 91px),#1c6cf0;border:0;color:#fff}
[data-skin="school"] .hero h1{font-weight:700;font-size:clamp(28px,3.8vw,42px)}[data-skin="school"] .hero p.lead{color:#e1ecff}
[data-skin="school"] .eyebrow{color:#ffd23f;font-family:var(--f-display);letter-spacing:.04em;font-size:14px;text-transform:none}
[data-skin="school"] .hero .btn{background:#ffd23f;color:#0b2545}[data-skin="school"] .hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
[data-skin="school"] .hero .pinned{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.25);color:#fff}[data-skin="school"] .hero .pinned .muted{color:#e1ecff}[data-skin="school"] .hero .pinned a{color:#ffd23f}
[data-skin="school"] .rung{border:0;border-radius:18px;box-shadow:0 10px 24px rgba(11,37,69,.18)}
[data-skin="school"] .rung .ic{background:#ffd23f;color:#0b2545;border-radius:16px}
[data-skin="school"] .btn{border-radius:999px}
[data-skin="school"] nav.main a{border-radius:999px}[data-skin="school"] nav.main a.on{background:#ffd23f;color:#0b2545}
[data-skin="school"] .card{border:2px solid #e6f0ff}[data-skin="school"] .card:hover{border-color:#1c6cf0;box-shadow:0 10px 24px rgba(28,108,240,.15)}
[data-skin="school"] .thumb{background:linear-gradient(180deg,#eaf2ff,#d7e6ff)}
[data-skin="school"] .cat{border:2px solid #e6f0ff}[data-skin="school"] .cat:hover{border-color:#ffd23f;background:#fffbea}
[data-skin="school"] .cta-band{background:#ffd23f;color:#0b2545}[data-skin="school"] .cta-band p{color:#3d4f68}[data-skin="school"] .cta-band .btn{background:#1c6cf0;color:#fff}

/* C · แล็บกลางคืน — พื้นมืด + ฟ้านีออน */
:root[data-skin="night"]{--bg:#090e1c;--surface:#10172d;--surface2:#151f3c;--ink:#e6ecff;--muted:#93a0c4;--line:#232f56;--pcb:#22d3ee;--pcb-ink:#03131b;--pcb-soft:#0d3140;--copper:#fbbf24;--copper-soft:#3a2c0a;
  --ok:#4ade80;--warn:#fbbf24;--bad:#f87171;--dot:rgba(34,211,238,.16);--shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.3);
  --f-display:"Bai Jamjuree","IBM Plex Sans Thai",system-ui,sans-serif;color-scheme:dark}
[data-skin="night"] header.top{background:rgba(9,14,28,.92);backdrop-filter:blur(8px)}
[data-skin="night"] .hero{background:radial-gradient(ellipse at 75% -10%,rgba(34,211,238,.28),transparent 55%),radial-gradient(ellipse at 0% 100%,rgba(168,85,247,.22),transparent 50%),linear-gradient(rgba(34,211,238,.06) 1px,transparent 1px) 0 0/32px 32px,linear-gradient(90deg,rgba(34,211,238,.06) 1px,transparent 1px) 0 0/32px 32px,#090e1c}
[data-skin="night"] .hero h1{font-weight:700;font-size:clamp(28px,4vw,46px);background:linear-gradient(90deg,#fff 30%,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
[data-skin="night"] .rung{background:rgba(16,23,45,.85);border-color:#26355f}[data-skin="night"] .rung:hover{border-color:#22d3ee;box-shadow:0 0 0 1px #22d3ee,0 0 24px rgba(34,211,238,.25)}
[data-skin="night"] .btn{box-shadow:0 0 20px rgba(34,211,238,.25)}[data-skin="night"] .btn.ghost,[data-skin="night"] .btn.danger{box-shadow:none}
[data-skin="night"] .card:hover{border-color:#22d3ee;box-shadow:0 0 24px rgba(34,211,238,.18)}
[data-skin="night"] .cta-band{background:linear-gradient(120deg,#0e7490,#7c3aed);color:#fff}[data-skin="night"] .cta-band .btn{background:#fff;color:#0b1020}

/* โลโก้บนหัวเว็บสีเข้ม: ใส่พื้นขาวให้โลโก้ตัวอักษรเข้มยังอ่านออก */
[data-skin="power"] .brand img,[data-skin="night"] .brand img{background:#fff;border-radius:8px;padding:3px 6px}
[data-skin="power"] .bn{background:#101b3b}[data-skin="night"] .bn{background:#090e1c}

/* ---------- ธีมโทนสบายตา (พื้นอ่อน ส่วนบนสีพาสเทล ตัวอักษรเข้ม อ่านง่ายทั้งวัน) ---------- */
/* โครงร่วม: ส่วนบนสีอ่อน การ์ดเงานุ่ม มุมโค้ง */
:root[data-skin="mint"],:root[data-skin="sand"],:root[data-skin="lavender"],:root[data-skin="ocean"]{--ok:#1b7a43;--warn:#a86200;--bad:#b3261e;--r:16px;color-scheme:light}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .hero{border:0}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .hero h1{font-weight:600;font-size:clamp(28px,3.8vw,42px)}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .eyebrow{font-family:var(--f-display);letter-spacing:.04em;font-size:13.5px;text-transform:none}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .btn{border-radius:999px}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) nav.main a{border-radius:999px}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .rung{border:0;box-shadow:0 6px 20px var(--soft-shadow)}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .rung:hover{box-shadow:0 12px 30px rgba(0,0,0,.16)}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .rung .ic{border-radius:14px}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .card,
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .cat{border:0;box-shadow:0 2px 12px var(--soft-shadow);transition:box-shadow .15s}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .card:hover{box-shadow:0 10px 28px var(--soft-shadow)}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .thumb{background-image:none}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .hero .pinned{background:rgba(255,255,255,.75);border-color:transparent;backdrop-filter:blur(4px)}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .cta-band{color:var(--ink)}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) .cta-band p{color:var(--muted);opacity:1}
:is([data-skin="mint"],[data-skin="sand"],[data-skin="lavender"],[data-skin="ocean"]) footer.site{border-top:0}

/* E · มินต์พาสเทล — เขียวมินต์ + ส้มปะการัง */
:root[data-skin="mint"]{--bg:#f3faf7;--surface:#fff;--surface2:#e6f5ef;--ink:#13332d;--muted:#557069;--line:#d6ebe3;--pcb:#0e8f7e;--pcb-ink:#fff;--pcb-soft:#d5f3ea;--copper:#d9533f;--copper-soft:#ffe4dd;
  --dot:rgba(14,143,126,.12);--shadow:0 1px 2px rgba(19,51,45,.05),0 6px 20px rgba(19,51,45,.06);--soft-shadow:rgba(19,51,45,.08);--f-display:"Mitr","IBM Plex Sans Thai",system-ui,sans-serif}
[data-skin="mint"] .hero{background:radial-gradient(circle at 88% 18%,#c6efe3 0 170px,transparent 171px),radial-gradient(circle at 3% 112%,#ffdcd2 0 170px,transparent 171px),linear-gradient(180deg,#f0fbf7,#e2f5ee)}
[data-skin="mint"] .eyebrow{color:#d9533f}[data-skin="mint"] .rung .ic{background:#d5f3ea;color:#0e8f7e}
[data-skin="mint"] nav.main a.on{background:#d5f3ea;color:#0b7466}
[data-skin="mint"] .thumb{background-color:#eef9f5}
[data-skin="mint"] .cta-band{background:linear-gradient(120deg,#d5f3ea,#ffe4dd)}
[data-skin="mint"] footer.site{background:#e6f5ef}

/* F · ครีมอบอุ่น — ครีม + น้ำตาลส้มอิฐ */
:root[data-skin="sand"]{--bg:#faf6ef;--surface:#fffdf9;--surface2:#f4ece0;--ink:#3a2e24;--muted:#76675a;--line:#ebe0d1;--pcb:#b4552c;--pcb-ink:#fff;--pcb-soft:#f6e1d3;--copper:#b4552c;--copper-soft:#f6e1d3;
  --dot:rgba(180,85,44,.12);--shadow:0 1px 2px rgba(58,46,36,.05),0 6px 20px rgba(58,46,36,.06);--soft-shadow:rgba(58,46,36,.08);--f-display:"Prompt","IBM Plex Sans Thai",system-ui,sans-serif}
[data-skin="sand"] .hero{background:radial-gradient(circle at 92% 12%,#f3d9c3 0 180px,transparent 181px),radial-gradient(circle at 70% 120%,#e9dcc6 0 120px,transparent 121px),linear-gradient(135deg,#fbf3e7,#f5e6d2)}
[data-skin="sand"] .eyebrow{color:#8a6a3f}[data-skin="sand"] .rung .ic{background:#f6e1d3;color:#b4552c}
[data-skin="sand"] header.top{background:#fffdf9}[data-skin="sand"] nav.main a.on{background:#f6e1d3;color:#9a4422}
[data-skin="sand"] .thumb{background-color:#f8efe4}
[data-skin="sand"] .cta-band{background:linear-gradient(120deg,#f6e1d3,#efe3cf)}
[data-skin="sand"] footer.site{background:#f4ece0}

/* G · ลาเวนเดอร์ — ม่วงอ่อน + ชมพู */
:root[data-skin="lavender"]{--bg:#f8f6fd;--surface:#fff;--surface2:#efebfb;--ink:#2a2250;--muted:#665f86;--line:#e3ddf5;--pcb:#6a4fd6;--pcb-ink:#fff;--pcb-soft:#e9e3fd;--copper:#d23f74;--copper-soft:#fde3ee;
  --dot:rgba(106,79,214,.12);--shadow:0 1px 2px rgba(42,34,80,.05),0 6px 20px rgba(42,34,80,.07);--soft-shadow:rgba(42,34,80,.09);--f-display:"Kanit","IBM Plex Sans Thai",system-ui,sans-serif}
[data-skin="lavender"] .hero{background:radial-gradient(circle at 90% 15%,#ddd3ff 0 170px,transparent 171px),radial-gradient(circle at 0% 115%,#fcd9e7 0 170px,transparent 171px),linear-gradient(135deg,#f1edff,#fbeef5)}
[data-skin="lavender"] .hero h1{font-weight:500}
[data-skin="lavender"] .eyebrow{color:#d23f74}[data-skin="lavender"] .rung .ic{background:linear-gradient(135deg,#e9e3fd,#fde3ee);color:#6a4fd6}
[data-skin="lavender"] nav.main a.on{background:#e9e3fd;color:#5a3fc6}
[data-skin="lavender"] .thumb{background-color:#f4f1fe}
[data-skin="lavender"] .cta-band{background:linear-gradient(120deg,#e9e3fd,#fde3ee)}
[data-skin="lavender"] footer.site{background:#efebfb}

/* H · ฟ้าทะเล — ฟ้าอ่อน + ส้มสด */
:root[data-skin="ocean"]{--bg:#f3f8fb;--surface:#fff;--surface2:#e5f1f7;--ink:#0f2a3a;--muted:#55707f;--line:#d6e6ee;--pcb:#0b7bab;--pcb-ink:#fff;--pcb-soft:#d9eef8;--copper:#e2600f;--copper-soft:#ffe6d3;
  --dot:rgba(11,123,171,.12);--shadow:0 1px 2px rgba(15,42,58,.05),0 6px 20px rgba(15,42,58,.06);--soft-shadow:rgba(15,42,58,.08);--f-display:"Bai Jamjuree","IBM Plex Sans Thai",system-ui,sans-serif}
[data-skin="ocean"] .hero{background:radial-gradient(ellipse at 85% 0%,#c9e8f6 0,transparent 55%),radial-gradient(ellipse at 10% 120%,#cdf3ec 0,transparent 55%),linear-gradient(180deg,#eef7fc,#e6f6f6)}
[data-skin="ocean"] .hero h1{font-weight:700}
[data-skin="ocean"] .eyebrow{color:#e2600f}[data-skin="ocean"] .rung .ic{background:linear-gradient(135deg,#d9eef8,#d2f4ee);color:#0b7bab}
[data-skin="ocean"] nav.main a.on{background:#d9eef8;color:#0a6990}
[data-skin="ocean"] .thumb{background-color:#eef6fb}
[data-skin="ocean"] .cta-band{background:linear-gradient(120deg,#d9eef8,#d2f4ee)}
[data-skin="ocean"] footer.site{background:#e5f1f7}

/* ================= ขายหน้าร้าน (POS) ================= */
.pos{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:16px;align-items:start}
@media (max-width:1100px){.pos{grid-template-columns:1fr}}
.pos-search input{font-size:16px;padding:12px 14px;border-radius:10px}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:12px;max-height:calc(100vh - 260px);overflow:auto;padding:2px}
@media (max-width:1100px){.pos-grid{max-height:none}}
.pos-tile{display:flex;flex-direction:column;gap:3px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px;cursor:pointer;font:inherit;color:inherit;min-width:0}
.pos-tile:hover{border-color:var(--pcb);box-shadow:0 0 0 1px var(--pcb)}
.pos-tile:active{background:var(--pcb-soft)}
.pos-tile.out{opacity:.45;cursor:not-allowed}
.pos-tile .im{display:grid;place-items:center;aspect-ratio:4/3;border-radius:7px;background:var(--surface2);color:var(--pcb);overflow:hidden}
.pos-tile .im img{width:100%;height:100%;object-fit:cover}.pos-tile .im svg{width:46%}
.pos-tile .nm{font-size:13.5px;font-weight:600;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.pos-tile .sk{font-size:11px;color:var(--muted)}
.pos-tile .ft{display:flex;justify-content:space-between;align-items:baseline;gap:4px}.pos-tile .ft b{color:var(--copper)}
.pos-tile small{font-size:11.5px;color:var(--muted)}.pos-tile small.low{color:var(--warn)}.pos-tile small.bad{color:var(--bad)}
.pos-cart{position:sticky;top:76px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px;max-height:calc(100vh - 92px);overflow:auto}
@media (max-width:1100px){.pos-cart{position:static;max-height:none}}
.pos-cust{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:8px}
.pos-lines{display:flex;flex-direction:column;gap:6px;min-height:80px}
.pos-line{display:grid;grid-template-columns:1fr auto auto;grid-template-areas:"n n x" "q p t";gap:4px 8px;align-items:center;border:1px solid var(--line);border-radius:9px;padding:7px 8px}
.pos-line .ln{grid-area:n;display:flex;flex-direction:column;font-size:13.5px;line-height:1.3}.pos-line .ln span{font-size:11px}
.pos-line .lq{grid-area:q;display:flex;align-items:center}.pos-line .lq button{width:30px;height:30px;border:1px solid var(--line);background:var(--surface2);border-radius:7px;cursor:pointer;font-size:16px}
.pos-line .lq input{width:54px;text-align:center;padding:4px;margin:0 4px}
.pos-line .lp{grid-area:p;display:flex;align-items:center;gap:2px;font-size:13px;color:var(--muted)}.pos-line .lp input{width:84px;padding:4px 6px;text-align:right}
.pos-line .lp input.edited{border-color:var(--warn);background:var(--copper-soft)}
.pos-line .lt{grid-area:t;text-align:right;min-width:78px}
.pos-line .lx{grid-area:x;border:0;background:none;color:var(--muted);font-size:20px;cursor:pointer;line-height:1;padding:0 4px}.pos-line .lx:hover{color:var(--bad)}
.pos-flash{animation:posflash .6s}
@keyframes posflash{from{background:var(--pcb-soft)}to{background:transparent}}
.pos-sum{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:8px}
.pos-sum>div{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:14px}
.pos-sum input{width:120px;text-align:right;padding:5px 8px}
.pos-sum .grand{font:700 22px var(--f-display)}.pos-sum .grand span:last-child{color:var(--pcb)}
.pos-pay{display:flex;flex-direction:column;gap:8px}
.pos-pay .seg{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:9px;overflow:hidden}
.pos-pay .seg button{border:0;background:var(--surface);padding:9px 4px;cursor:pointer;font:inherit;font-weight:600;color:var(--muted)}
.pos-pay .seg button+button{border-left:1px solid var(--line)}
.pos-pay .seg button.on{background:var(--pcb);color:var(--pcb-ink)}
.pos-pay #pos-rec{font-size:20px;text-align:right}
.pos-change{font:700 20px var(--f-display);color:var(--ok);min-height:1.2em;text-align:right}.pos-change.bad{color:var(--bad)}
.pos-go{width:100%;padding:14px;font-size:18px}.pos-go small{opacity:.7;font-size:12px;font-weight:500}

/* ส่วนบนหน้าแรกแบบคอลัมน์เดียว (ปิดกล่องเลือกตามระดับ) */
.hero .wrap.solo{grid-template-columns:1fr}.hero .wrap.solo .lead{max-width:62ch}

/* ตัวเลือกไอคอนหมวด (หลังร้าน) */
.ip{max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:8px;background:var(--surface)}
.ip-h{font-size:12px;font-weight:600;color:var(--muted);margin:6px 2px 4px}
.ip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:6px}
.ip-i{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 4px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--pcb);cursor:pointer;font:inherit}
.ip-i svg{width:30px;height:30px}.ip-i span{font-size:11px;color:var(--ink);text-align:center;line-height:1.2}
.ip-i:hover{border-color:var(--pcb)}.ip-i.on{border-color:var(--pcb);background:var(--pcb-soft);box-shadow:0 0 0 1px var(--pcb)}
.ip-i[hidden],.ip-g[hidden]{display:none}
.ip-cur{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--pcb-soft);color:var(--pcb)}.ip-cur svg{width:30px;height:30px}

/* I · พลังงานโซลาร์ — น้ำเงินเข้ม + เหลืองแดด (ร้านอุปกรณ์ไฟฟ้า/โซลาร์เซลล์) */
:root[data-skin="solar"]{--bg:#f4f7fb;--surface:#fff;--surface2:#eaf0f7;--ink:#0d2238;--muted:#55677b;--line:#dbe4ee;--pcb:#0f5fa8;--pcb-ink:#fff;--pcb-soft:#dcebfa;--copper:#b45309;--copper-soft:#fff1d6;
  --ok:#15803d;--warn:#a16207;--bad:#b91c1c;--dot:rgba(15,95,168,.12);--shadow:0 1px 2px rgba(13,34,56,.06),0 6px 20px rgba(13,34,56,.07);--r:12px;
  --f-display:"Kanit","IBM Plex Sans Thai",system-ui,sans-serif;color-scheme:light}
[data-skin="solar"] header.top{background:#0b2545;border-bottom:3px solid #f5a400}
[data-skin="solar"] .brand{color:#fff}[data-skin="solar"] .brand svg{color:#f5a400}
[data-skin="solar"] nav.main a{color:#c6d4e6}[data-skin="solar"] nav.main a:hover{background:rgba(255,255,255,.08);color:#fff}[data-skin="solar"] nav.main a.on{background:#f5a400;color:#1b1300}
[data-skin="solar"] header.top .iconbtn{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
[data-skin="solar"] .btn:not(.ghost):not(.danger){background:#f5a400;color:#1b1300}
[data-skin="solar"] .hero{border:0;color:#fff;background:radial-gradient(circle at 88% 12%,rgba(255,201,60,.9) 0 46px,rgba(255,201,60,.25) 47px 120px,transparent 121px),
  linear-gradient(115deg,transparent 58%,rgba(255,255,255,.07) 58% 59%,transparent 59% 66%,rgba(255,255,255,.07) 66% 67%,transparent 67% 74%,rgba(255,255,255,.07) 74% 75%,transparent 75%),
  linear-gradient(135deg,#0b2545 0%,#123e74 65%,#16508f 100%)}
[data-skin="solar"] .hero h1{font-weight:600;font-size:clamp(28px,3.8vw,42px)}[data-skin="solar"] .hero p.lead{color:#cfdbea}[data-skin="solar"] .eyebrow{color:#ffc93c}
[data-skin="solar"] .hero .btn.ghost{color:#fff;border-color:rgba(255,255,255,.5)}
[data-skin="solar"] .hero .pinned{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}[data-skin="solar"] .hero .pinned .muted{color:#c6d4e6}[data-skin="solar"] .hero .pinned a{color:#ffc93c}
[data-skin="solar"] .rung{border:0;box-shadow:0 8px 22px rgba(0,0,0,.2)}[data-skin="solar"] .rung .ic{background:#fff1d6;color:#b45309}
[data-skin="solar"] .lvl i.on{background:#f5a400}
[data-skin="solar"] .thumb{background-color:#eef3f9;color:#0f5fa8}
[data-skin="solar"] .cat:hover{border-color:#f5a400;color:#b45309}
[data-skin="solar"] .cta-band{background:linear-gradient(120deg,#0b2545,#16508f);color:#fff}
[data-skin="solar"] footer.site{background:#0b2545;color:#c6d4e6;border-top:3px solid #f5a400}[data-skin="solar"] footer.site b{color:#fff!important}[data-skin="solar"] footer.site a{color:#ffc93c}
[data-skin="solar"] .bn{background:#0b2545}

/* J · เครื่องเสียงพรีเมียม — ดำกราไฟต์ + แดง + ทอง */
:root[data-skin="audio"]{--bg:#0e0f11;--surface:#17191c;--surface2:#1f2226;--ink:#eceff3;--muted:#9aa1ab;--line:#2a2e34;--pcb:#ff4d4d;--pcb-ink:#fff;--pcb-soft:#3a1719;--copper:#f5b301;--copper-soft:#3a2d09;
  --ok:#4ade80;--warn:#fbbf24;--bad:#f87171;--dot:rgba(255,255,255,.07);--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);--r:12px;
  --f-display:"Bai Jamjuree","IBM Plex Sans Thai",system-ui,sans-serif;color-scheme:dark}
[data-skin="audio"] header.top{background:#0e0f11;border-bottom:1px solid #24272c}
[data-skin="audio"] .hero{border:0;background:radial-gradient(ellipse at 80% 40%,rgba(255,77,77,.28),transparent 55%),
  radial-gradient(rgba(255,255,255,.09) 1.3px,transparent 1.5px) 0 0/9px 9px,linear-gradient(180deg,#141518,#0e0f11)}
[data-skin="audio"] .hero h1{font-weight:700;font-size:clamp(28px,4vw,46px);letter-spacing:.01em}
[data-skin="audio"] .eyebrow{color:#f5b301}
[data-skin="audio"] .rung{background:rgba(23,25,28,.9);border-color:#2f3339}[data-skin="audio"] .rung:hover{border-color:#ff4d4d;box-shadow:0 0 0 1px #ff4d4d}
[data-skin="audio"] .rung .ic{background:radial-gradient(circle,#2b2e33 0 40%,#1b1d21 41%);color:#ff4d4d;border-radius:50%}
[data-skin="audio"] .lvl i.on{background:#ff4d4d}
[data-skin="audio"] .thumb{background-color:#1b1d21}
[data-skin="audio"] .card:hover{border-color:#3a3f46;box-shadow:0 12px 30px rgba(0,0,0,.5)}
[data-skin="audio"] .cta-band{background:linear-gradient(120deg,#2a0f11,#3a1719 50%,#1f2226);color:#fff;border:1px solid #3a1d20}
[data-skin="audio"] .bn{background:#0e0f11}
[data-skin="solar"] .brand img,[data-skin="audio"] .brand img{background:#fff;border-radius:8px;padding:3px 6px}

.cs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px;max-height:380px;overflow:auto}
.cs-i{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:6px 8px;cursor:pointer;font-size:13.5px;color:var(--ink)}
.cs-i svg{width:26px;height:26px;color:var(--pcb);flex:none}.cs-i span{display:flex;flex-direction:column;line-height:1.25}.cs-i small{color:var(--muted);font-size:11px}
.cs-i.dup{opacity:.55;cursor:default}.cs-i:has(input:checked){border-color:var(--pcb);background:var(--pcb-soft)}

/* กลุ่มที่แสดงแบบกล่องเลือกตามระดับ (นอกส่วนบน) */
.ladder-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}

/* หน้าหมวดแบ่งตามกลุ่ม */
.grp-row td{background:var(--surface2);font-size:14px;padding-top:9px;padding-bottom:9px}
.grp-ic{display:inline-grid;place-items:center;width:28px;height:28px;color:var(--pcb)}.grp-ic svg{width:24px;height:24px}
.ic-btn{width:36px;height:36px;padding:3px;border:1px dashed var(--line);border-radius:8px;background:none;color:inherit;cursor:pointer}.ic-btn svg{width:100%;height:100%}