: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}