:root{--bg:#f4f5f2;--card:#fff;--ink:#1d2320;--mute:#6b746f;--line:#dfe3dd;--pri:#2f6b3a;--pri2:#e7f1e8;--warn:#b5651d;--bad:#b3261e;--sel:#fff6d6}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:16px/1.4 "Sarabun","Leelawadee UI","Tahoma",sans-serif}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:8px 14px}
button.primary{background:var(--pri);color:#fff;border-color:var(--pri);font-weight:700}
button.ghost{background:transparent}
button.danger{color:var(--bad);border-color:var(--bad)}
button:disabled{opacity:.45;cursor:not-allowed}
input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff}
#app{display:flex;flex-direction:column;height:100vh}
.top{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-size:18px}
.brand span{background:var(--pri2);color:var(--pri);border-radius:6px;padding:2px 8px;font-weight:700}
.tabs{display:flex;gap:4px;flex:1;overflow-x:auto}
.tabs button{padding:6px 10px;white-space:nowrap}
.tabs button.on{background:var(--pri2);border-color:var(--pri);color:var(--pri);font-weight:700}
.issuer{font-size:14px;color:var(--mute)}
.issuer select{margin-left:4px}
.net{font-size:13px;color:var(--mute)}
.body{flex:1;display:grid;grid-template-columns:1fr 440px;gap:12px;padding:12px;min-height:0}
.left,.right{background:var(--card);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;min-height:0}
.search{margin:12px;font-size:20px;padding:12px 14px;border:2px solid var(--pri)}
.hint{padding:0 14px 6px;font-size:13px;color:var(--mute);min-height:20px}
.results{list-style:none;margin:0;padding:0 8px 8px;overflow-y:auto;flex:1}
.results li{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;padding:8px;border-radius:8px;cursor:pointer;border-bottom:1px solid var(--bg)}
.results li.on{background:var(--sel)}
.results li:hover{background:var(--pri2)}
.thumb{width:44px;height:44px;border-radius:6px;background:var(--pri2);color:var(--pri);display:flex;align-items:center;justify-content:center;font-weight:700;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.r-name{font-weight:600}
.r-sub{font-size:13px;color:var(--mute)}
.r-price{text-align:right;font-weight:700}
.r-price small{display:block;font-weight:400;color:var(--mute);font-size:12px}
.tag{display:inline-block;font-size:11px;border-radius:4px;padding:0 5px;margin-left:4px;background:#eee;color:#444;vertical-align:middle}
.tag.lic{background:#fde9d6;color:var(--warn)}
.cart-head{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);font-weight:700}
.cart{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}
.cart li{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:8px 12px;border-bottom:1px solid var(--bg)}
.cart .nm{font-weight:600}
.cart .sub{font-size:13px;color:var(--mute)}
.qty{display:flex;align-items:center;gap:2px}
.qty button{padding:2px 9px}
.qty input{width:58px;text-align:center;padding:4px}
.amt{min-width:80px;text-align:right;font-weight:700}
.x{border:none;background:none;color:var(--bad);font-size:18px;padding:2px 6px}
.cart-foot{border-top:1px solid var(--line);padding:12px}
.total-row{display:flex;justify-content:space-between;align-items:baseline;font-size:20px}
.total-row b{font-size:34px;color:var(--pri)}
.foot-btns{display:flex;gap:8px;margin-top:8px}
.foot-btns .primary{flex:1;font-size:20px;padding:12px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:10}
.modal.hidden,.toast.hidden{display:none}
.box{background:#fff;border-radius:14px;padding:18px;width:min(720px,94vw);max-height:92vh;overflow:auto}
.box h2{margin:0 0 12px;font-size:20px}
.row{display:flex;gap:10px;align-items:center;margin:8px 0;flex-wrap:wrap}
.row label{min-width:150px;color:var(--mute)}
.row input{flex:1;min-width:120px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.paybig{font-size:30px;font-weight:700;color:var(--pri)}
.paybox{border:1px solid var(--line);border-radius:10px;padding:10px;margin:8px 0}
.paybox input{font-size:20px;width:100%}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.chips button{padding:4px 10px;font-size:14px}
.note{font-size:13px;color:var(--mute)}
.warn{color:var(--warn)}
.bad{color:var(--bad)}
.change{font-size:24px;font-weight:700}
.qrwrap{text-align:center}
table.list{width:100%;border-collapse:collapse;font-size:14px}
table.list th,table.list td{border-bottom:1px solid var(--line);padding:6px;text-align:left}
table.list td.n,table.list th.n{text-align:right}
.btns{display:flex;gap:8px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#222;color:#fff;padding:10px 18px;border-radius:10px;z-index:20;max-width:90vw}
.toast.bad{background:var(--bad)}
.toast.warn{background:var(--warn)}
#print{display:none}

/* ---------- พิมพ์ ---------- */
@media print{
  body.printing #app,body.printing .modal,body.printing .toast{display:none!important}
  body.printing #print{display:block}
  html,body{background:#fff}
}
.slip{width:71mm;font:12px/1.3 "Sarabun","Leelawadee UI","Tahoma",sans-serif;color:#000}
.slip h3{margin:0;font-size:14px;text-align:center}
.slip .c{text-align:center}
.slip .ln{display:flex;justify-content:space-between;gap:4px}
.slip hr{border:none;border-top:1px dashed #000;margin:4px 0}
.slip .it{margin:2px 0;break-inside:avoid}
.slip .big{font-size:16px;font-weight:700}
.a4{width:190mm;font:13px/1.45 "Sarabun","Leelawadee UI","Tahoma",sans-serif;color:#000}
.a4 .hd{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid #000;padding-bottom:6px}
.a4 h1{font-size:22px;margin:0}
.a4 .title{font-size:20px;font-weight:700;text-align:right}
.a4 table{width:100%;border-collapse:collapse;margin-top:8px}
.a4 th,.a4 td{border:1px solid #000;padding:4px 6px}
.a4 th{background:#eee}
.a4 td.n{text-align:right}
.a4 tr{break-inside:avoid}
.a4 .sum td{font-weight:700}
.a4 .sign{display:flex;justify-content:space-around;margin-top:40px;text-align:center}
.a4 .small{font-size:11px}
@media (max-width:900px){.body{grid-template-columns:1fr}.right{min-height:50vh}}

#cartNote{flex:1;font-weight:600;padding:6px 8px}
.tabs button.wait{border-color:var(--warn)}