:root{
  /* giao diện tối "công nghệ – AI", đồng bộ với Hệ thống phần mềm tích hợp GOPI MART */
  --blue:#38bdf8; --blue-d:#0ea5e9; --blue-l:rgba(56,189,248,.12); --line:rgba(56,189,248,.18); --txt:#e6f1ff; --mut:#8ea3c2;
  --bg:#071126; --bg2:#0b1a33; --card:#0c1a33; --in:#0a1630; --red:#f87171; --green:#34d399; --orange:#fbbf24; --grab:#00b14f; --shopee:#ee4d2d; color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font:14px/1.4 "Segoe UI",Roboto,Arial,sans-serif;color:var(--txt);background:var(--bg);overflow:hidden}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit;background:transparent}
select option{background:var(--card);color:var(--txt)}
::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#1e3356;border-radius:6px}::-webkit-scrollbar-track{background:transparent}
.hidden{display:none!important}
.num{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- LOGIN ---------- */
#login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(700px 400px at 30% 10%,rgba(34,211,238,.16),transparent 60%),linear-gradient(rgba(34,211,238,.04) 1px,transparent 1px) 0 0/40px 40px,linear-gradient(90deg,rgba(34,211,238,.04) 1px,transparent 1px) 0 0/40px 40px,#050b18}
.lg-card{background:var(--card);border:1px solid rgba(34,211,238,.4);border-radius:14px;padding:28px 28px 22px;width:340px;max-width:calc(100% - 32px);box-shadow:0 0 40px rgba(34,211,238,.15),0 20px 50px rgba(0,0,0,.5)}
.lg-card h1{margin:0 0 2px;font-size:22px;background:linear-gradient(90deg,#fff,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.lg-card p{margin:0 0 18px;color:var(--mut);font-size:13px}
.lg-card label{display:block;font-size:13px;color:var(--mut);margin:10px 0 4px}
.lg-card input{width:100%;padding:10px 12px;background:var(--in);border:1px solid var(--line);border-radius:6px;font-size:16px}
.lg-card input:focus{outline:2px solid var(--blue);border-color:transparent}
.lg-card button{width:100%;margin-top:18px;padding:11px;border:0;border-radius:6px;background:linear-gradient(135deg,#22d3ee,#3b82f6);color:#04121f;font-size:16px;font-weight:700}
.lg-card button:disabled{opacity:.6}
#lgMsg{color:var(--red);min-height:20px;margin-top:10px;font-size:13px}

/* ---------- APP LAYOUT ---------- */
#app{display:grid;grid-template-rows:50px 1fr;height:100vh}
header.top{background:linear-gradient(110deg,#061127,#0a1e3f 55%,#0b2a52);border-bottom:1px solid rgba(34,211,238,.35);box-shadow:0 4px 18px rgba(2,8,23,.6);display:flex;align-items:center;gap:8px;padding:0 10px;color:#fff;min-width:0}
.search{position:relative;width:360px;flex:0 0 auto}
.search input{width:100%;height:34px;border:1px solid var(--line);border-radius:8px;padding:0 10px 0 32px;font-size:14px;color:var(--txt);background:var(--in)}
.search input:focus{outline:0;border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.search svg{position:absolute;left:9px;top:9px;width:16px;height:16px;color:#7a8698}
.dropdown{position:absolute;top:38px;left:0;width:620px;max-width:calc(100vw - 20px);max-height:70vh;overflow:auto;background:var(--card);color:var(--txt);border:1px solid rgba(34,211,238,.35);border-radius:8px;box-shadow:0 14px 34px rgba(0,0,0,.55);z-index:50}
.dd-item{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line);cursor:pointer;align-items:center}
.dd-item:hover,.dd-item.act{background:var(--blue-l)}
.dd-item .nm{font-weight:500}
.pimg{display:block;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:6px;flex:0 0 auto}
.pimg.dd{width:44px;height:44px}.pimg.ci{width:46px;height:46px}.pimg.od{width:52px;height:52px}
.pcell{display:flex;align-items:center;gap:10px}
.pimg.ci:hover,.pimg.od:hover{transform:scale(2.6);transform-origin:left center;position:relative;z-index:5;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.dd-item .sub{color:var(--mut);font-size:12px}
.dd-item .pr{font-weight:600;color:var(--blue)}
.dd-item .st{font-size:12px;color:var(--mut);min-width:64px;text-align:right}
.dd-item .st.neg{color:var(--red)}
.dd-empty{padding:14px;color:var(--mut)}
.channels{display:flex;background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:6px;padding:3px;gap:2px;flex:0 0 auto}
.channels button{border:0;background:transparent;color:#fff;padding:5px 10px;border-radius:4px;font-weight:600;font-size:13px}
.channels button.on{background:linear-gradient(135deg,#22d3ee,#3b82f6);color:#04121f}
.channels button.on[data-ch=GRAB]{background:var(--grab);color:#fff}
.channels button.on[data-ch=SHOPEE]{background:var(--shopee);color:#fff}
.tabs{display:flex;align-items:flex-end;align-self:stretch;gap:2px;overflow-x:auto;min-width:0;flex:0 1 auto;padding-top:8px}
.tab{display:flex;align-items:center;gap:6px;padding:0 10px;height:42px;background:rgba(255,255,255,.08);color:#fff;border-radius:6px 6px 0 0;white-space:nowrap;cursor:pointer;font-size:14px}
.tab.on{background:var(--bg);color:#e0fbff;box-shadow:inset 0 2px 0 #22d3ee}
.tab .x{border:0;background:transparent;color:inherit;opacity:.6;padding:0 2px;font-size:15px}
.tab .dot{width:7px;height:7px;border-radius:50%;background:var(--grab)}
.tab .dot.SHOPEE{background:var(--shopee)} .tab .dot.POS{display:none}
#addTab{border:0;background:transparent;color:#fff;font-size:24px;padding:0 8px;flex:0 0 auto}
.hright{display:flex;align-items:center;gap:6px;flex:0 0 auto;margin-left:auto}
.who{font-size:11px;line-height:1.3;text-align:right;text-transform:uppercase;max-width:170px}
.who select{background:transparent;color:#fff;border:0;font-size:11px;text-transform:uppercase;font-weight:600;max-width:160px}
.who select option{color:var(--txt);background:var(--card)}
.ibtn{border:0;background:transparent;color:#fff;width:32px;height:32px;border-radius:5px;display:flex;align-items:center;justify-content:center}
.ibtn:hover{background:rgba(255,255,255,.15)}
.ibtn svg{width:20px;height:20px}
.sync{display:flex;align-items:center;gap:5px;padding:4px 8px;border-radius:12px;font-size:12px;background:rgba(255,255,255,.08);border:1px solid var(--line)!important;border:0;color:#fff;white-space:nowrap}
.sync i{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #34d399}
.sync.wait i{background:#ffc04d} .sync.err i{background:#ff6b6b}

.body{display:grid;grid-template-columns:1fr 430px;min-height:0;background:linear-gradient(rgba(34,211,238,.025) 1px,transparent 1px) 0 0/40px 40px,linear-gradient(90deg,rgba(34,211,238,.025) 1px,transparent 1px) 0 0/40px 40px}
.left{display:flex;flex-direction:column;min-height:0;border-right:6px solid var(--bg2)}
.cart{flex:1;overflow:auto;min-height:0}
.cart table{width:100%;border-collapse:collapse}
.cart th{position:sticky;top:0;background:var(--bg2);font-weight:600;font-size:13px;color:var(--mut);padding:8px;text-align:left;z-index:1}
.cart td{padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
.cart tr.flash td{animation:fl .6s}
@keyframes fl{from{background:rgba(250,204,21,.25)}to{background:transparent}}
.cart .nm{font-weight:500}
.cart .sku{color:var(--mut);font-size:12px}
.cart .warn{color:var(--red);font-size:12px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:5px;overflow:hidden}
.qty button{border:0;color:var(--txt);background:var(--bg2);width:26px;height:28px;font-size:16px}
.qty input{width:48px;height:28px;border:0;text-align:center;background:var(--in)}
.cin{width:96px;height:28px;background:var(--in);border:1px solid var(--line);border-radius:5px;text-align:right;padding:0 6px}
.cin[readonly]{border-color:transparent;background:transparent}
.del{border:0;background:transparent;color:var(--mut);font-size:18px}
.del:hover{color:var(--red)}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--mut);gap:12px;padding:20px;text-align:center}
.empty svg{width:110px;height:110px;color:#1e3a5f}
.empty .hint{font-size:12px}
.kbd{display:inline-block;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 5px;font-size:11px;background:var(--bg2);color:#a5f3fc}
.actions{border-top:6px solid var(--bg2);padding:10px 12px;display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.actions button{background:var(--blue-l);border:1px solid var(--line);border-radius:8px;padding:12px 6px;font-weight:600;font-size:13px;color:var(--txt)}
.actions button:hover{background:rgba(56,189,248,.22);border-color:rgba(34,211,238,.55)}

.panel{display:flex;flex-direction:column;min-height:0;padding:10px 14px;overflow:auto;background:rgba(12,26,51,.6)}
.cust{position:relative;display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--line);padding-bottom:8px}
.cust input{flex:1;border:0;padding:6px 4px 6px 26px;outline:0}
.cust svg{position:absolute;left:4px;top:8px;width:16px;height:16px;color:var(--mut)}
.cust .dropdown{top:36px;width:100%}
.cust-card{display:flex;align-items:center;justify-content:space-between;background:var(--blue-l);border-radius:6px;padding:8px 10px;margin-top:8px}
.cust-card b{display:block}
.cust-card span{font-size:12px;color:var(--mut)}
.row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;gap:10px}
.row.sep{border-bottom:1px solid var(--line)}
.row .lbl small{display:block;color:var(--mut);font-size:11px;font-style:italic}
.big{font-size:20px;font-weight:600}
.pay-total{font-weight:800;color:#5eead4;font-size:24px;text-shadow:0 0 14px rgba(45,212,191,.35)}
.lnk{border:0;background:transparent;color:var(--blue);padding:0;font-weight:500}
.money{width:170px;border:0;border-bottom:1px solid var(--line);text-align:right;font-size:20px;font-weight:600;padding:4px 0;outline:0}
.money:focus{border-color:#22d3ee}
.money,.small-in,.cust input{background:transparent}
.methods{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.methods button{flex:1 1 0;min-width:0;border:1px solid var(--line);background:var(--in);color:var(--txt);border-radius:5px;padding:7px 2px;font-size:12.5px;line-height:1.2}
.methods button.on{border-color:var(--blue);background:var(--blue-l);color:var(--blue);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;margin-bottom:4px}
.chips button{border:1px solid var(--line);background:var(--in);color:var(--txt);border-radius:14px;padding:3px 10px;font-size:12px}
.chips button:hover{border-color:var(--blue);color:var(--blue)}
.qr{text-align:center;margin:6px 0}
.qr svg{background:#fff;border:1px solid var(--line);border-radius:6px;display:block;margin:0 auto 4px}
.small-in{width:100%;border:0;border-bottom:1px solid var(--line);padding:6px 0;outline:0}
.small-in:focus{border-color:var(--blue)}
.spacer{flex:1;min-height:10px}
.paybar{display:grid;grid-template-columns:120px 1fr;gap:8px;margin-top:10px}
.paybar button{border:0;border-radius:6px}
#btnMethod{background:var(--blue-l);color:var(--txt);border:1px solid var(--line)!important;font-weight:600;font-size:13px;padding:6px}
#btnPay{background:linear-gradient(135deg,#22d3ee,#3b82f6);color:#04121f;font-size:22px;font-weight:800;padding:14px 6px;box-shadow:0 0 22px rgba(34,211,238,.3)}
#btnPay:hover{filter:brightness(1.1)}
.notice{background:rgba(251,191,36,.12);color:#fde68a;border:1px solid rgba(251,191,36,.35);border-radius:5px;padding:6px 8px;font-size:12px;margin-top:8px}

/* ---------- MODAL / TOAST ---------- */
.mask{position:fixed;inset:0;background:rgba(2,6,16,.7);display:flex;align-items:center;justify-content:center;z-index:100}
.modal{background:#071126;border:1px solid rgba(34,211,238,.4);border-radius:14px;width:440px;max-width:calc(100% - 32px);max-height:calc(100% - 40px);display:flex;flex-direction:column;box-shadow:0 0 40px rgba(34,211,238,.15),0 24px 60px rgba(0,0,0,.6)}
.modal.wide{width:1000px}
.modal.xl{width:1280px;height:calc(100% - 40px)}
.modal.xl .mb{flex:1;display:flex;flex-direction:column;min-height:0}
#ovWrap{display:flex;flex-direction:column;min-height:0;flex:1}
.ov-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.ov-bar input,.ov-bar select{padding:7px 10px;border:1px solid var(--line);border-radius:6px;background:var(--in)}
.ov-bar #oQ{flex:1;min-width:220px}
.chk{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--mut);white-space:nowrap}
.ov-tabs{display:flex;gap:4px;align-items:center;border-bottom:1px solid var(--line);margin-bottom:10px;flex-wrap:wrap}
.ov-tabs button{border:0;background:transparent;padding:8px 12px;border-bottom:2px solid transparent;color:var(--mut);font-weight:500}
.ov-tabs button.on{color:var(--blue);border-bottom-color:var(--blue)}
.ov-note{margin-left:auto;font-size:12px;color:var(--mut)}
.ov-scroll{flex:1;overflow:auto;min-height:120px;border:1px solid var(--line);border-radius:6px}
.otable.ov tbody tr{cursor:pointer}
.otable.ov tbody tr:hover td{background:rgba(56,189,248,.07)}
.olink{color:var(--blue);font-weight:600;cursor:pointer}
.olink:hover{text-decoration:underline}
.od-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.od-act{display:flex;gap:8px;flex-wrap:wrap}
.od-head{display:flex;align-items:center;gap:8px;margin:4px 0 12px}
.od-code{font-size:20px;font-weight:700}
.od-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.card{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--card)}
.card h4{margin:0 0 8px;font-size:14px}
.ctrl-sec{margin:14px 0}.ctrl-sec h4{margin:0 0 4px;font-size:14px;display:flex;align-items:center;gap:6px}
.reasons{display:flex;flex-wrap:wrap;gap:6px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:3px 0;font-size:13px}
.kv span{color:var(--mut)} .kv b{font-weight:500;text-align:right}
.kv.big{font-size:16px;border-top:1px solid var(--line);margin-top:4px;padding-top:6px} .kv.big b,.kv.big span{font-weight:700;color:var(--txt)}
.od-ptitle{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.od-ptitle h4{margin:0} .od-ptitle>div{display:flex;gap:10px;align-items:center}
.od-items .nm{font-weight:500} .od-items .sku{font-size:12px;color:var(--mut)}
.bc{border:1px dashed rgba(56,189,248,.5);background:var(--blue-l);color:var(--blue);border-radius:5px;padding:3px 8px;font-family:Consolas,monospace;font-size:13px}
.bc:hover{background:rgba(56,189,248,.22)}
.od-items tr.copied td{background:rgba(52,211,153,.1)}
.od-items tr.copied .bc{border-color:var(--green);color:var(--green);background:rgba(52,211,153,.15)}
.od-tot{margin-left:auto;max-width:340px;margin-top:8px}
@media (max-width:760px){.od-grid{grid-template-columns:1fr}}
.modal h3{margin:0;padding:14px 18px;border-bottom:1px solid var(--line);font-size:16px;display:flex;justify-content:space-between;align-items:center}
.modal .mb{padding:16px 18px;overflow:auto}
.modal .mf{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}
.btn{border:1px solid var(--line);background:var(--in);color:var(--txt);border-radius:7px;padding:8px 14px}
.btn.pri{background:linear-gradient(135deg,#22d3ee,#3b82f6);color:#04121f;border-color:transparent;font-weight:700}
.btn.red{color:var(--red);border-color:rgba(248,113,113,.5)}
.fld{margin-bottom:12px}
.fld label{display:block;font-size:13px;color:var(--mut);margin-bottom:4px}
.fld input,.fld select,.fld textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--in)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:5px;overflow:hidden}
.seg button{border:0;background:var(--in);color:var(--txt);padding:6px 14px}
.seg button.on{background:linear-gradient(135deg,#22d3ee,#3b82f6);color:#04121f;font-weight:700}
#viewOnly{display:none;position:fixed;inset:50px 0 0 0;align-items:center;justify-content:center;background:var(--bg2);z-index:5}
body.nosell #viewOnly{display:flex}
body.nosell .body,body.nosell .search,body.nosell .channels,body.nosell .tabs,body.nosell #addTab{visibility:hidden}
.vo-card{background:var(--card);border:1px solid rgba(34,211,238,.4);border-radius:14px;padding:28px;max-width:460px;text-align:center;box-shadow:0 6px 24px rgba(0,0,0,.08)}
.vo-card h2{margin:6px 0;font-size:20px}.vo-card p{color:var(--mut)}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:6px;z-index:200;pointer-events:none}
#toast div{background:#0c1a33;border:1px solid rgba(34,211,238,.4);color:#e6f1ff;padding:10px 16px;border-radius:6px;box-shadow:0 6px 20px rgba(0,0,0,.25);font-size:14px}
#toast div.ok{background:var(--green)} #toast div.err{background:var(--red)}
.otable{width:100%;border-collapse:collapse;font-size:13px}
.otable th,.otable td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.otable td.wr{white-space:normal;min-width:140px}
.otable .btn{padding:4px 10px}
.otable th{background:var(--bg2);position:sticky;top:0}
.otable tr.cx td{color:#64748b;text-decoration:line-through}
.otable tr.cx td:last-child{text-decoration:none}
.badge{display:inline-block;padding:1px 7px;border-radius:9px;font-size:11px;background:var(--bg2)}
.badge.ok{background:rgba(52,211,153,.16);color:var(--green)} .badge.wait{background:rgba(251,191,36,.16);color:var(--orange)} .badge.cx{background:rgba(248,113,113,.16);color:var(--red)}
.sumgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin-bottom:12px}
.sumgrid div{background:var(--bg2);border-radius:6px;padding:8px 10px}
.sumgrid b{display:block;font-size:17px}
.sumgrid span{font-size:12px;color:var(--mut)}
.loading{position:fixed;inset:0;background:rgba(5,11,24,.85);display:flex;align-items:center;justify-content:center;z-index:150;flex-direction:column;gap:10px;color:var(--mut)}
.spin{width:34px;height:34px;border:3px solid rgba(34,211,238,.2);border-top-color:#22d3ee;border-radius:50%;animation:sp 0.8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

@media (max-width:1100px){
  .body{grid-template-columns:1fr 360px}
  .search{width:250px}
  .actions{grid-template-columns:repeat(3,1fr)}
  .who #userName{display:none}
}
@media (max-width:760px){
  html,body{overflow:auto}
  #app{height:auto;min-height:100vh;grid-template-rows:auto 1fr}
  header.top{flex-wrap:wrap;padding:8px}
  .search{width:100%;order:-1}
  .body{grid-template-columns:1fr}
  .left{border-right:0}
  .cart{min-height:260px}
}

/* chọn chi nhánh: nút rõ ràng, luôn hiện kể cả trên điện thoại */
.who{max-width:none}
.who select{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.55);border-radius:8px;padding:5px 8px;font-size:12px;font-weight:700;max-width:200px;min-height:32px;cursor:pointer}
.who select option{color:#0F1E3A;background:#fff;text-transform:none}
#branchBox{font-weight:700}
.who #userName{font-size:10px;opacity:.9;margin-top:2px}
/* quét mã vạch bằng camera */
.search input{padding-right:70px}
.camBtn{position:absolute;right:4px;top:3px;height:28px;display:flex;align-items:center;gap:4px;padding:0 9px;border:0;border-radius:6px;background:linear-gradient(135deg,#1565D8,#2A7BEA);color:#fff;font-size:12px;font-weight:700;cursor:pointer}
.search .camBtn svg{position:static;width:16px;height:16px;color:#fff}
.dd-head{padding:7px 12px;font-size:12px;font-weight:700;color:var(--blue-d);background:#F2F7FF;border-bottom:1px solid var(--line);position:sticky;top:0}
.camBox{position:relative;background:#0F1E3A;border-radius:10px;overflow:hidden;min-height:220px}
.camBox video{display:block;width:100%;max-height:60vh;object-fit:cover}
.camBox #camV2{width:100%}
.camLine{position:absolute;left:12%;right:12%;top:50%;height:2px;background:#FFAE00;box-shadow:0 0 8px #FFAE00;pointer-events:none}
.camHint{margin-top:8px;font-size:13px;color:var(--mut);text-align:center}
.camLast{margin-top:6px;font-size:14px;font-weight:700;color:var(--blue-d);text-align:center;min-height:20px}
@media (max-width:760px){.who{order:-2}.camBtn span{display:none}.camBtn{width:36px;justify-content:center}}
/* thanh tiêu đề Hệ thống phần mềm tích hợp GOPI MART */
.gp-bar{position:fixed;left:0;right:0;top:0;height:42px;z-index:120;display:flex;align-items:center;gap:10px;padding:0 10px;background:linear-gradient(120deg,#050b18,#0a1a38 60%,#0b2a52);border-bottom:1px solid rgba(34,211,238,.4);box-shadow:0 2px 14px rgba(34,211,238,.12);color:#e0fbff}
.gp-home{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:10px;border:1px solid rgba(34,211,238,.55);background:rgba(34,211,238,.1);color:#a5f3fc;font-weight:800;font-size:13px;text-decoration:none;box-shadow:0 0 12px rgba(34,211,238,.2)}
.gp-home:hover{background:rgba(34,211,238,.2);color:#fff}
.gp-home svg{width:17px;height:17px}
.gp-t{flex:1;min-width:0;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gp-t b{font-size:13.5px;letter-spacing:.3px}.gp-t b span{color:#FFA200}
.gp-t small{display:block;font-size:11px;color:#7dd3fc}
.gp-ai{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:#a5f3fc;white-space:nowrap}
.gp-ai i{width:7px;height:7px;border-radius:50%;background:#22d3ee;box-shadow:0 0 8px #22d3ee}
body{padding-top:42px}
#app{height:calc(100vh - 42px)}
#login{top:42px}
@media (max-width:600px){.gp-t small,.gp-ai{display:none}.gp-t b{font-size:12px;white-space:normal}}
@media print{.gp-bar{display:none}body{padding-top:0}}

/* ===== V3: giao diện xanh – trắng đồng bộ màn hình Tổng quan (ghi đè phần giao diện tối cũ) ===== */
:root{--blue:#1565D8;--blue-d:#0B4FB3;--blue-l:rgba(21,101,216,.08);--line:#d7e3f5;--txt:#0F1E3A;--mut:#5B6B85;--bg:#F4F8FE;--bg2:#EAF2FE;--card:#fff;--in:#fff;--red:#d92d20;--green:#12a150;--orange:#c26a00;color-scheme:light}
html,body{background:radial-gradient(900px 500px at 8% -10%,rgba(21,101,216,.10),transparent 60%),radial-gradient(800px 480px at 100% 0%,rgba(59,130,246,.12),transparent 60%),var(--bg)}
::-webkit-scrollbar-thumb{background:#c3d3ea}
#login{background:radial-gradient(700px 400px at 30% 10%,rgba(21,101,216,.14),transparent 60%),var(--bg)}
.lg-card{border:1px solid var(--line);box-shadow:0 12px 40px rgba(15,30,58,.14)}
.lg-card h1{background:none;color:var(--blue-d);-webkit-text-fill-color:currentColor}
.lg-card input:focus{outline:2px solid var(--blue)}
.lg-card button,.channels button.on,#btnPay,.btn.pri,.seg button.on{background:linear-gradient(135deg,#1565D8,#2A7BEA);color:#fff;box-shadow:none}
#btnPay{box-shadow:0 6px 18px rgba(21,101,216,.28)}
header.top,.gp-bar{background:linear-gradient(110deg,#0B4FB3,#1565D8 55%,#2A7BEA);border-bottom:2px solid #FFAE00;box-shadow:0 4px 18px rgba(21,101,216,.3)}
.gp-home{border-color:rgba(255,255,255,.65);background:rgba(255,255,255,.16);color:#fff;box-shadow:none}
.gp-home:hover{background:rgba(255,255,255,.28)}
.gp-t small{color:#dbeafe}.gp-ai{color:#fff}.gp-ai i{background:#34d399;box-shadow:0 0 8px #34d399}
.tab.on{background:var(--bg);color:var(--txt);box-shadow:inset 0 3px 0 #FFAE00}
.search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,101,216,.18)}
.search svg{color:var(--mut)}
.dropdown,.modal{background:#fff;border-color:var(--line);box-shadow:0 14px 34px rgba(15,30,58,.18)}
.kbd{color:var(--blue-d)}
.body{background:none}
.panel{background:#fff}
.actions button,.cust-card{background:#fff}
.actions button:hover{background:var(--bg2);border-color:var(--blue)}
.cart th,.otable th{background:#F2F7FF}
#toast div{background:#0F1E3A;border-color:#0F1E3A;color:#fff}
.loading{background:rgba(244,248,254,.9)}
.spin{border-color:rgba(21,101,216,.2);border-top-color:var(--blue)}
.pay-total{color:var(--blue-d);text-shadow:none}
.empty svg{color:#9db8de}
.money:focus{border-color:var(--blue)}
@media (max-width:760px){
  html,body{height:auto}
  #app{height:auto;min-height:calc(100vh - 42px);grid-template-rows:auto 1fr}
  .body{grid-template-columns:1fr;grid-auto-rows:auto;min-height:0}
  .left{border-right:0;min-height:0}
  .cart{flex:none;min-height:220px;max-height:55vh}
  .actions{grid-template-columns:repeat(2,1fr)}
  .panel{overflow:visible}
}