:root{--b:#0070f4;--bd:#005ad1;--g:#22a845;--bg:#eef1f5;--line:#e3e7ed;--tx:#1f2933;--mut:#6b7785}
*{box-sizing:border-box}body{font:14px/1.45 "Segoe UI",Roboto,Helvetica,Arial,sans-serif;margin:0;background:var(--bg);color:var(--tx)}
a{color:var(--b);text-decoration:none}a:hover{text-decoration:underline}
.top{background:var(--b);color:#fff;display:flex;align-items:center;height:48px;padding:0 12px;position:sticky;top:0;z-index:50;box-shadow:0 2px 4px #0002}
.brand{font-weight:700;font-size:16px;color:#fff;margin-right:14px;white-space:nowrap}.brand:hover{text-decoration:none}
.menu{display:flex;height:100%;flex:1;gap:0}.mi{position:relative;height:100%}
.mi>a,.mi>span{display:flex;align-items:center;height:100%;padding:0 12px;color:#fff;cursor:pointer;white-space:nowrap}
.mi:hover>a,.mi:hover>span,.mi.open>span,.mi.on>a,.mi.on>span{background:var(--bd);text-decoration:none}
.sub{display:none;position:absolute;left:0;top:100%;background:#fff;min-width:210px;box-shadow:0 6px 16px #0003;border-radius:0 0 6px 6px;padding:6px 0}
.mi.open>.sub,.user.open>.sub{display:block}.sub::before{content:'';position:absolute;left:0;right:0;top:-12px;height:12px}.sub a{display:block;padding:8px 16px;color:var(--tx)}.sub a:hover{background:#eaf3ff;text-decoration:none}
.right{display:flex;align-items:center;gap:8px;margin-left:auto}
.cosw{display:flex;background:#fff2;border-radius:6px;overflow:hidden}.cosw a{color:#fff;padding:5px 10px;font-weight:600}.cosw a.on{background:#fff;color:var(--b)}
.user{position:relative}.user>span{cursor:pointer;padding:6px 8px;display:block;white-space:nowrap}.user .sub{right:0;left:auto;top:100%;z-index:60}.sub{z-index:60}
.btn-sell{background:var(--g);color:#fff!important;padding:7px 16px;border-radius:6px;font-weight:700;white-space:nowrap}.btn-sell:hover{background:#1c9139;text-decoration:none}
.hamb{display:none;background:none;border:0;color:#fff;font-size:22px;padding:0 10px}
main{padding:14px;max-width:1400px;margin:auto}h2{font-size:20px;margin:4px 0 12px}
.card{background:#fff;padding:12px 16px;border-radius:8px;margin-bottom:12px;box-shadow:0 1px 3px #0001}
.lay{display:grid;grid-template-columns:240px 1fr;gap:14px;align-items:start}.aside .card{padding:12px}.aside label{display:block;font-weight:600;margin:8px 0 3px;font-size:13px}
.aside input,.aside select{width:100%}.aside form.card{display:flex;flex-direction:column;gap:5px}.aside form.card label{display:flex;gap:6px;align-items:center;font-weight:400}.aside form.card label input{width:auto}
details.more form{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}
.actions{display:flex;gap:8px;justify-content:flex-end;margin-bottom:10px;flex-wrap:wrap}
.b,button{background:var(--b);color:#fff;border:0;padding:7px 14px;border-radius:6px;cursor:pointer;font-size:14px;display:inline-block}
.b:hover,button:hover{background:var(--bd);text-decoration:none}.b.g{background:var(--g)}.b.w{background:#fff;color:var(--tx);border:1px solid var(--line)}
input,select,textarea{padding:6px 8px;font-size:14px;border:1px solid #cfd6df;border-radius:5px;background:#fff;max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #0070f455;border-color:var(--b)}
input:invalid:not(:placeholder-shown){border-color:#d33}
.tw{overflow:auto;max-height:70vh;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0001}
table{border-collapse:collapse;width:100%;background:#fff;font-size:13px}
th,td{border-bottom:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
th{background:#e9f1fc;position:sticky;top:0;z-index:2;font-weight:600;white-space:nowrap}
tbody tr:nth-child(even){background:#f8fafc}tbody tr:hover{background:#eaf3ff}tr.click{cursor:pointer}
td.n,th.n{text-align:right;white-space:nowrap}tr.det>td{background:#fbfdff;padding:0}.detbox{padding:10px 16px;border-left:3px solid var(--b)}
.detbox h2{display:none}.pager{display:flex;gap:6px;align-items:center;justify-content:flex-end;padding:8px;font-size:13px}
.pager button{padding:4px 10px}.pager button[disabled]{background:#c9d3df}
.err{background:#fde8e8;color:#a00;padding:8px 10px;border-radius:6px}.ok{background:#e6f6ea;color:#075;padding:8px 10px;border-radius:6px}.warn{background:#fff6dd;padding:8px 10px;border-radius:6px}
.toasts{position:fixed;right:16px;top:60px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{min-width:260px;max-width:380px;padding:12px 16px;border-radius:8px;color:#fff;box-shadow:0 6px 18px #0003;animation:tin .25s}
.toast.ok{background:#1f9d48}.toast.err{background:#d64040}@keyframes tin{from{transform:translateX(30px);opacity:0}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:12px}
.kpi{background:#fff;border-radius:8px;padding:14px 16px;box-shadow:0 1px 3px #0001;border-left:4px solid var(--b)}
.kpi small{color:var(--mut);display:block}.kpi .big{font-size:22px;font-weight:700}.kpi.g{border-color:var(--g)}.kpi.o{border-color:#f39c12}.kpi.r{border-color:#d64040}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.big{font-size:22px;font-weight:700}.dash{display:grid;grid-template-columns:2fr 1fr;gap:12px}
small{color:var(--mut)}fieldset{border:1px solid var(--line);border-radius:8px;margin:0 0 10px;padding:8px 12px}legend{font-weight:600;color:var(--b)}
form label{margin-right:6px}.fe{color:#d33;font-size:12px;display:block}
/* login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0070f4,#4aa3ff)}
.lcard{background:#fff;border-radius:12px;padding:32px 28px;width:min(380px,92vw);box-shadow:0 12px 40px #0004}
.lcard h1{color:var(--b);margin:0 0 4px;font-size:24px;text-align:center}.lcard p{text-align:center;color:var(--mut);margin:0 0 20px}
.lcard label{display:block;font-weight:600;margin:10px 0 4px}.lcard input{width:100%;padding:10px}.lcard button{width:100%;padding:11px;margin-top:18px;font-size:15px}
/* POS */
body.pos{background:#e7ecf2;height:100vh;overflow:hidden}.posw{display:grid;grid-template-columns:1fr 380px;height:calc(100vh - 48px)}
.posl{display:flex;flex-direction:column;padding:10px;gap:10px;overflow:hidden}.posr{background:#fff;padding:14px;overflow:auto;display:flex;flex-direction:column;gap:8px;border-left:1px solid var(--line)}
.ps{position:relative;flex:0 0 auto}.ps input{width:100%;padding:10px 12px;font-size:15px}
.ac{position:absolute;left:0;right:0;top:100%;background:#fff;box-shadow:0 8px 20px #0003;border-radius:0 0 8px 8px;max-height:360px;overflow:auto;z-index:20}
.ac div{padding:8px 12px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid #f0f0f0}.ac div.on,.ac div:hover{background:#eaf3ff}
.cartw{flex:1;overflow:auto;background:#fff;border-radius:8px}.cartw input{width:100%;padding:4px 6px;text-align:right}
.qty{display:flex;align-items:center;gap:2px}.qty button{padding:2px 8px}.qty input{width:52px;text-align:center}
.row{display:flex;justify-content:space-between;align-items:center;gap:8px}.row input,.row select{width:150px;text-align:right}
.tot{font-size:20px;font-weight:700;color:var(--b)}.pay{background:var(--b);font-size:20px;font-weight:700;padding:16px;width:100%;margin-top:auto}
.posbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.empty{color:var(--mut);text-align:center;padding:40px}
details.more summary{cursor:pointer;color:var(--b);font-weight:600}
@media(max-width:900px){.hamb{display:block}.menu{display:none;position:absolute;top:48px;left:0;right:0;background:var(--b);flex-direction:column;height:auto}
 .menu.open{display:flex}.mi{height:auto}.mi>a,.mi>span{padding:10px 16px}.sub{position:static;box-shadow:none;background:#fff1}.sub a{color:#fff}
 .lay,.dash{grid-template-columns:1fr}.brand{font-size:14px}.right .uname{display:none}main{padding:8px}
 body.pos{overflow:auto;height:auto}.posw{grid-template-columns:1fr;height:auto}.cartw{min-height:200px;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100vw}.cartw table{font-size:12px;min-width:560px}.cartw input{min-width:56px}}
@media print{.top,.toasts,.actions,.aside{display:none}}
.lay>section{min-width:0}.detbox .aside{display:none}.detbox .lay{display:block}
@media(max-width:600px){.brand{font-size:13px;margin-right:6px;max-width:90px;overflow:hidden;text-overflow:ellipsis}.cosw a{padding:4px 7px}.btn-sell{padding:6px 9px;font-size:13px}.right{gap:4px}.posbar label{font-size:0}.posbar select{font-size:13px;max-width:130px}}
/* v0.7 in A5 */
@media print{@page{size:A5;margin:8mm}.a5{font-size:12px}}
.lcard label.chk{display:flex;align-items:center;gap:8px;font-weight:normal;margin-top:12px}.lcard label.chk input{width:auto;margin:0}
.lsw{margin:6px 0 0!important;text-align:left!important}.qr svg{width:220px;height:220px;background:#fff}
.codes{font-family:ui-monospace,Consolas,monospace;font-size:16px;columns:2;background:#f7f9fc;padding:10px;border-radius:6px}
.secb{background:#fff3cd;border-bottom:1px solid #f0d68a;padding:6px 16px;font-size:13px}
/* ===== v0.10.0: PWA + giao diện điện thoại (chỉ áp dụng <=768px; máy tính giữ nguyên) ===== */
.drawer,.dback{display:none}.paytot{font-weight:700}.ftog{display:none}
@media(max-width:768px){
 html{-webkit-text-size-adjust:100%}
 body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
 .top{height:auto;min-height:52px;padding:env(safe-area-inset-top) 8px 0 4px;gap:4px;flex-wrap:nowrap}
 .top .menu,.top .menu.open,.top .cosw,.top .user{display:none!important}
 .hamb{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;font-size:24px;padding:0}
 .brand{font-size:16px;max-width:none;flex:1;overflow:hidden;text-overflow:ellipsis;margin:0}
 .right{gap:6px}.top .btn-sell{padding:10px 12px;font-size:14px;min-height:40px;display:flex;align-items:center}
 .dback{display:block;position:fixed;inset:0;background:#0006;z-index:90}.dback[hidden]{display:none}
 .drawer{display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;width:min(86vw,330px);background:#fff;z-index:100;transform:translateX(-105%);transition:transform .2s ease;
  overflow-y:auto;-webkit-overflow-scrolling:touch;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom) env(safe-area-inset-left);box-shadow:4px 0 18px #0004;visibility:hidden}
 body.dopen .drawer{transform:none;visibility:visible}body.dopen{overflow:hidden}
 .dhead{display:flex;align-items:center;justify-content:space-between;background:var(--b);color:#fff;padding:6px 6px 6px 16px;font-size:16px}
 .dclose{background:none;border:0;color:#fff;font-size:22px;min-width:44px;min-height:44px;padding:0}
 .dco{padding:10px 16px;border-bottom:1px solid var(--line)}.dco .cosw{display:flex;background:#eaf3ff;margin-top:4px}.dco .cosw a{flex:1;text-align:center;color:var(--b);padding:11px 8px;font-size:15px}.dco .cosw a.on{background:var(--b);color:#fff}
 .dsell{display:block;margin:10px 16px;text-align:center;padding:13px;font-size:16px}
 .dnav a{display:flex;align-items:center;min-height:46px;padding:10px 16px 10px 30px;color:var(--tx);border-bottom:1px solid #f0f2f5;font-size:15px}.dnav a.on{background:#eaf3ff;color:var(--b);font-weight:600}
 .dnav a.dtop{padding-left:16px;font-weight:600}
 .dg>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:10px 16px;font-weight:600;font-size:15px;cursor:pointer;border-bottom:1px solid var(--line)}
 .dg>summary::-webkit-details-marker{display:none}.dg>summary::after{content:'▸';color:var(--mut)}.dg[open]>summary::after{content:'▾'}.dg[open]>summary{color:var(--b)}
 main{padding:10px 10px calc(16px + env(safe-area-inset-bottom))}h2{font-size:18px}
 input,select,textarea{font-size:16px!important}
 input:not([type=checkbox]):not([type=radio]):not([type=hidden]),select,textarea{min-height:44px}
 button,.b,a.b,input[type=submit]{min-height:44px;padding-left:14px;padding-right:14px;font-size:15px}
 input[type=checkbox],input[type=radio]{width:22px;height:22px}
 form.card label,.card form label{display:block;margin:6px 0}form.card input:not([type=checkbox]):not([type=radio]),form.card select,form.card textarea,.card form input:not([type=checkbox]):not([type=radio]):not([type=hidden]),.card form select,.card form textarea{width:100%;max-width:100%}
 details.more form{flex-direction:column;align-items:stretch}details.more form>*{width:100%}
 .lay{grid-template-columns:1fr;gap:8px}.aside .card{padding:10px}
 .ftog{display:flex;align-items:center;width:100%;background:#fff;color:var(--b);border:1px solid var(--line);border-radius:8px;font-weight:600;margin-bottom:8px}
 .ftog::after{content:'▾';margin-left:auto}.aside.fopen .ftog::after{content:'▴'}
 .aside>.card{display:none}.aside.fopen>.card{display:block}.aside.fopen>form.card{display:flex}
 .tw{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}table.dt{min-width:520px}
 .grid{grid-template-columns:1fr 1fr}
 .pager button{min-height:40px}
 /* danh sách chính dạng thẻ */
 body.cards table.dt{min-width:0;border:0;background:none}body.cards table.dt thead{display:none}
 body.cards table.dt tbody>tr:not(.det){display:block;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:8px 12px;box-shadow:0 1px 2px #0001}
 body.cards table.dt tbody>tr[style*="none"]{display:none!important}
 body.cards table.dt tbody>tr:not(.det)>td{display:flex;justify-content:space-between;gap:10px;border:0;border-bottom:1px dashed #edf0f3;padding:6px 0;text-align:right;min-height:0}
 body.cards table.dt tbody>tr>td:last-child{border-bottom:0}
 body.cards table.dt tbody>tr>td::before{content:attr(data-l);color:var(--mut);font-weight:600;text-align:left;flex:0 0 40%}
 body.cards table.dt tbody>tr>td:first-child{font-weight:600;font-size:15px}
 body.cards table.dt tbody>tr.det{display:block}body.cards table.dt tbody>tr.det>td{display:block}
 /* đăng nhập / 2FA */
 body.login{padding:env(safe-area-inset-top) 12px env(safe-area-inset-bottom)}
 .lcard{width:100%;max-width:420px;padding:26px 20px}.lcard input{padding:12px;min-height:48px}.lcard button{min-height:50px;font-size:17px}
 .lcard label.chk{min-height:44px}
 /* POS */
 body.pos{height:auto;overflow:auto;padding-bottom:calc(76px + env(safe-area-inset-bottom))}
 .posw{grid-template-columns:minmax(0,1fr);height:auto}.posw>*{min-width:0}.posr .row{display:flex;justify-content:space-between;align-items:center}.posl{overflow:visible;padding:8px}.posr{border-left:0;border-top:1px solid var(--line);padding:12px}
 .posbar{position:sticky;top:52px;z-index:20;background:#e7ecf2;padding:4px 0}.posbar .ps{min-width:0}
 .posbar label{font-size:0}.posbar select{max-width:140px}
 .cartw{min-height:120px;overflow-x:auto;max-width:100%}.cartw table{min-width:560px;font-size:13px}
 .posr .row{gap:8px}.posr .row input,.posr .row select{max-width:58%}
 .ac{max-height:55vh;overflow-y:auto}.ac>div{min-height:46px;padding:10px}
 .posr .pay,#payb{position:fixed;left:0;right:0;bottom:0;z-index:40;margin:0;border-radius:0;min-height:60px;font-size:18px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -3px 10px #0003}
 body.pos small{display:block}
}
@media(max-width:768px) and (display-mode:standalone){.top{padding-top:max(env(safe-area-inset-top),4px)}}
@media print{.drawer,.dback{display:none!important}}

/* v0.10.1 logo */
.brand{display:inline-flex;align-items:center;gap:8px}
.logo-pill{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:8px;padding:2px 6px;height:36px;box-sizing:border-box;flex:none}
.logo-pill img{height:32px;width:auto;display:block}
.dhead b{display:inline-flex;align-items:center;gap:8px}
.llogo{display:block;margin:0 auto 6px;width:200px;max-width:70%;height:auto}
@media(max-width:600px){.brand .btxt{display:none}.brand{max-width:none}}
/* v0.11 */
form.inl{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap;margin:2px 4px 2px 0}
.b.sm,button.sm{padding:3px 8px;font-size:12px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:12px;margin:10px 0}
.scrollx{overflow-x:auto;max-width:100%}
fieldset{border:1px solid #e3e7ed;border-radius:8px;margin:8px 0;padding:8px 12px}fieldset label{display:block;margin-top:6px}
.promobox{background:#eef7ff;border-radius:6px;padding:6px 8px;font-size:13px;line-height:1.5}
.promobox .err{padding:4px 6px}
.chartbox{overflow:hidden}.chart{width:100%;min-height:220px;position:relative}
.chart svg{width:100%;height:auto;display:block}.chart text{font:11px Arial,sans-serif;fill:#566}
.chart .tip{position:absolute;pointer-events:none;background:#223;color:#fff;font-size:12px;padding:4px 7px;border-radius:5px;white-space:nowrap;transform:translate(-50%,-110%)}
.chart .lg{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;margin-top:4px}.chart .lg i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px}
@media (max-width:700px){.grid2{grid-template-columns:1fr}form.inl input{max-width:110px}}

/* v0.12 chọn cột hiển thị kiểu KiotViet */
.hc{display:none!important}.colch{position:relative;display:flex;justify-content:flex-end;margin:4px 0}.colbox{position:absolute;right:0;top:100%;z-index:30;background:#fff;border:1px solid #d6dce5;border-radius:6px;box-shadow:0 4px 16px rgba(0,0,0,.12);padding:8px 12px;max-height:60vh;overflow:auto;min-width:200px}.colbox label{display:block;padding:3px 0;font-weight:normal;white-space:nowrap}
.rhub{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.rhub a.card{display:block;text-decoration:none;color:inherit}.rhub a.card b{color:#0070f4}
/* v0.13 – POS nhiều hóa đơn, thu khác, VietQR */
.postabs{display:flex;gap:4px;flex-wrap:wrap;padding:6px 8px 0;background:#0b5394}
.postabs .ptab{display:inline-flex;background:#2f6fb0;border-radius:6px 6px 0 0}
.postabs .ptab.on{background:#fff}
.postabs button{background:transparent;color:#fff;border:0;padding:6px 10px;font-weight:600;cursor:pointer;width:auto;margin:0}
.postabs .ptab.on button{color:#0b5394}
.postabs .px{padding:6px 6px;opacity:.75}
.postabs .padd{font-size:18px;padding:2px 12px}
.chgadd{display:flex;gap:4px}.chgadd select{max-width:9em}.chgadd input{width:7em}.chgadd button{width:auto;padding:2px 10px;margin:0}
.chglist .row{font-size:13px;color:#444}
.qrbox{text-align:center;background:#fff;border:1px dashed #0b5394;border-radius:8px;padding:6px;margin:4px 0}
.qr svg{width:150px;height:150px}
[hidden]{display:none!important}

/* v0.14 ảnh hàng */
img.thumb{width:36px;height:36px;object-fit:cover;border-radius:4px;vertical-align:middle;margin-right:6px;background:#eee}
.pimgs{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0}.pimg{text-align:center}.pimg img{width:120px;height:120px;object-fit:cover;border-radius:6px;border:1px solid #ddd}
form.inl{display:inline}textarea.mono{font-family:monospace;font-size:12px;width:100%}

/* v0.14.1 QR 2FA: to, đen trên trắng, viền trắng (quiet zone) để camera điện thoại quét được */
.tfaqr{display:inline-block;background:#fff;padding:16px;border:1px solid #ccc;border-radius:8px;line-height:0}
.tfaqr svg{width:280px!important;height:280px!important;max-width:80vw;max-height:80vw;background:#fff;display:block}

/* v0.17 – panel dòng có tab, phân trang, Thiết lập giá */
.ptabs{display:flex;gap:2px;border-bottom:2px solid var(--b);margin:-2px 0 10px}.ptab{background:#eef3fb;color:var(--tx);border:0;border-radius:6px 6px 0 0;padding:7px 14px;font-weight:600;cursor:pointer}
.ptab.on{background:var(--b);color:#fff}.pinfo{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px 16px;margin-bottom:8px}.pinfo small{display:block;color:var(--mut)}
.pager .psz{display:flex;gap:4px;align-items:center;margin-right:auto;font-weight:400}.pager .psz select{padding:3px 6px;width:auto}.pinfo2{font-weight:600}
.bulk{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.bulk label{display:inline-flex;gap:4px;align-items:center}.bulk select,.bulk input{width:auto}
input.money{text-align:right;max-width:110px}input.money.chg{background:#fff7d6;border-color:#e0b000}.mut{color:var(--mut)}
@media(max-width:768px){.ptab{padding:9px 10px;flex:1}.bulk{flex-direction:column;align-items:stretch}.bulk select,.bulk input,.bulk button{width:100%}}
@media(max-width:768px){.aside .ftog,.aside .ftog:hover,.aside .ftog:focus,.aside .ftog:active{background:#fff;color:var(--b)}.aside.fopen .ftog{background:#eaf3ff}}
/* v0.18 phân trang máy chủ + lịch đổi giá */
.spager{flex-wrap:wrap}.spager form.psz{margin:0 auto 0 0;padding:0;border:0;background:none;box-shadow:none}.spager a.b{padding:4px 10px;text-decoration:none}
.psched fieldset{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.psched textarea{width:100%;max-width:520px}
@media(max-width:768px){.spager{justify-content:center}.spager .pinfo2{width:100%;text-align:center}}
/* v0.20 chọn chi nhánh */
.brsw .bname{display:inline-block;max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
.brsw .sub a.on{font-weight:700;background:#e8f1fb}
.dco .dbr{flex-wrap:wrap}.dco .dbr a{flex:1 1 100%;text-align:left}
.fin td.l1{padding-left:22px;color:#444}.fin tr.b td{font-weight:700;background:#f5f8fc}
/* v0.21: POS – ghi chú dòng, gợi ý tiền, chi nhánh */
.lnote{width:100%;font-size:12px;padding:2px 4px;margin-top:2px;border:1px dashed #ccc}
.sugg{display:flex;flex-wrap:wrap;gap:4px;margin:4px 0}.sugg button{padding:4px 8px;font-size:13px}
.posbr{font-size:13px;margin-right:8px;color:#555}
#qcust input{width:100%;margin:2px 0}
.lech{color:#b00;font-weight:600}
.guide img.gimg{max-width:100%;height:auto;border:1px solid #d5dbe5;border-radius:6px;margin:6px 0;display:block}
.guide h2{border-bottom:2px solid #0070f4;padding-top:10px}.guide table{width:100%}.toc{columns:2}@media(max-width:700px){.toc{columns:1}}
.guide code{overflow-wrap:anywhere;word-break:break-word}
@media(min-width:901px) and (max-width:1700px){.mi>a,.mi>span{padding:0 6px;font-size:13px}.brand{margin-right:6px;font-size:15px}.right{gap:5px}.brsw .bname{max-width:110px}.right .uname{display:none}.cosw a{padding:5px 7px}.btn-sell{padding:6px 10px}}
@media(min-width:901px) and (max-width:1280px){.mi>a,.mi>span{padding:0 4px;font-size:12px}.brand{font-size:0}.brsw .bname{display:none}.cosw a{padding:4px 5px;font-size:12px}.btn-sell{padding:5px 7px;font-size:12px}}

/* v0.27 */.badge{display:inline-block;padding:1px 7px;border-radius:10px;background:#e8eefc;color:#1b4fb8;font-size:12px;font-weight:600}.badge.red{background:#fde8e8;color:#b00020}.badge.green{background:#e6f6ea;color:#17803d}.bpck{margin:0 4px 0 0;vertical-align:middle}.bpl{font-size:13px;white-space:nowrap}.duec form{margin-left:8px}p.odue{border-left:4px solid #d33}
.gear .sub .gh{display:block;padding:6px 12px 2px;font-size:12px;color:#64748b;text-transform:uppercase}.gear .sub{max-height:80vh;overflow:auto}
/* v0.29: POS giống KiotViet */
body.pos .top nav.menu{display:none}
.plbar select{max-width:170px}.entmode{background:#eef4ff;color:#0b5ed7;border:1px solid #b9d0f5;border-radius:6px;padding:5px 9px;white-space:nowrap;cursor:pointer}
body[data-entry=normal] .entmode{background:#fff4e5;color:#b45309;border-color:#f3c98b}
.posnote{margin-top:6px}.posnote input{width:100%}
.posmode{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px}.posmode button{background:#fff;color:#334155;border:1px solid #cbd5e1;border-radius:6px;padding:6px 12px;cursor:pointer}
.posmode button.on{background:#0b5ed7;color:#fff;border-color:#0b5ed7}.posmode small{flex:1 1 100%;color:#64748b}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px;max-height:42vh;overflow:auto;margin:8px 0;padding:4px}
.pcard{display:flex;flex-direction:column;align-items:center;gap:3px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:6px;cursor:pointer;color:#0f172a;text-align:center}
.pcard:hover{border-color:#0b5ed7}.pcard img,.pcard .noimg{width:64px;height:64px;object-fit:cover;font-size:36px;line-height:64px}.pcard b{font-size:12px;font-weight:600;max-height:32px;overflow:hidden}.pcard small{color:#0b5ed7}
.posopt{display:flex;gap:14px;flex-wrap:wrap;align-items:center}.posopt label{display:inline-flex;gap:5px;align-items:center;white-space:nowrap}
#posextra summary{font-size:13px;color:#475569}
.posbar .ps{min-width:280px}.posbar select{max-width:160px}.posbr{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(min-width:769px){.postabs+.posw{height:calc(100vh - 82px)}body.pos .posl{gap:6px}}
@media(min-width:769px){.top .right>.cosw{max-width:150px;overflow:hidden}.top .right>.cosw a,.top .right>.cosw span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;max-width:150px}}
@media(min-width:769px) and (max-width:1600px){.top .btxt{display:none}.top .right>.cosw,.top .right>.cosw a,.top .right>.cosw span{max-width:120px}.top .bname{max-width:110px;display:inline-block;overflow:hidden;text-overflow:ellipsis;vertical-align:bottom}}
.dt tr.sumrow td{background:#fff8e6;border-bottom:2px solid #f0d9a8}.dt tr.sumrow:hover td{background:#fff8e6}
/* v0.29: chân chi tiết hóa đơn kiểu KiotViet */
.kvfoot{display:flex;gap:16px;justify-content:space-between;margin:8px 0}.kvnote{flex:1;border:1px solid #ddd;border-radius:6px;padding:6px 8px;min-height:60px}
.kvfoot .kvnote{flex:1 1 auto;min-width:0}.kvfoot .kvsum{flex:0 0 360px;width:360px;min-width:0;margin-left:auto}.kvsum td.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.kvsum tr+tr td{border-top:1px solid #eee}
.kvsum{min-width:280px}.kvsum td{padding:2px 8px}.kvbtn{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;border-top:1px solid #eee;padding-top:8px}
.b.r{background:#d9363e;color:#fff}
/* v0.29: Nhập hàng 2 cột như KiotViet */
.kvnhap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:12px;align-items:start}.kvnhap .kvr{position:sticky;top:8px}
.kvr .kvrow{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:4px 0;border-bottom:1px dashed #eee;flex-wrap:wrap}
.kvbtns{display:flex;gap:8px;margin-top:10px}.kvbtns .b{flex:1;padding:10px}
@media(max-width:900px){.kvnhap{grid-template-columns:1fr}}
.kvfund .neg{color:#c00}.kvfund .ok{color:#080}
/* v0.29: Cuối ngày – vùng giữa như bản in KiotViet */
.kvpaper{background:#fff;max-width:900px;margin:0 auto;padding:24px 32px;box-shadow:0 1px 6px #0002;border:1px solid #e5e5e5}
.kvpaper .kvpt{text-align:center;margin:4px 0}.kvpaper .kvpc{text-align:center;color:#555;margin:0 0 12px}.kvpaper .kvph{font-size:12px;color:#777;margin:0}
label.rad{display:block;font-weight:normal;margin:2px 0}

/* v0.29.1: bộ lọc trái kiểu KiotViet */
fieldset.kvtime,fieldset.kvchk{border:0;border-top:1px solid #eee;padding:6px 0 2px;margin:6px 0 0}fieldset.kvtime legend,fieldset.kvchk legend{font-weight:600;padding:0}
.kvtime label.rad,.kvchk label.rad{display:block;font-weight:400;margin:2px 0}.kvtime .kvcus{display:none;padding-left:18px}
.kvtime:has(input[value=tuy_chinh]:checked) .kvcus{display:block}