/* POS Ú Ụ Milk Tea — dùng chung palette với site, tối ưu bấm nhanh 2 tay */
:root{
  --bg:#F5F5EA; --card:#FFFDF8; --mint:#DCF5EA; --pink:#FCE6ED;
  --ink:#17241F; --ink2:#4C5D57; --line:#D7E5DF;
  --green:#0A7259; --green2:#6FCFB2; --pink2:#C0325B;
  --radius:16px;
  --font:'Be Vietnam Pro',system-ui,sans-serif;
  --font-d:'Baloo 2','Be Vietnam Pro',system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.55 var(--font)}
.pos-top{position:sticky;top:0;z-index:20;display:flex;gap:12px;align-items:center;
  padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.pos-brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:inherit}
.pos-brand img{border-radius:12px}
.pos-brand b{font:800 17px var(--font-d);display:block;line-height:1.1}
.pos-brand i{font-style:normal;color:var(--ink2);font-size:12px}
.pos-status{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink2)}
.dot{width:10px;height:10px;border-radius:50%;background:#cbb}
.dot.on{background:var(--green)} .dot.warn{background:#d99a00}
.pos-top__actions{display:flex;gap:8px}
.btn{border:0;border-radius:999px;padding:11px 18px;font-weight:700;cursor:pointer;font-size:14px}
.btn.ghost{background:#eef3ef;color:var(--ink)}
.btn.primary{background:var(--green);color:#fff;flex:1}
.btn.dark{background:var(--ink);color:#fff;flex:1}
.btn.sm{padding:7px 12px;font-size:13px}
.pos-layout{display:grid;grid-template-columns:1.5fr .9fr;gap:14px;max-width:1280px;margin:0 auto;padding:14px 16px 40px}
.pos-menu{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.pos-searchrow{display:flex;gap:8px;margin-bottom:10px}
.pos-searchrow input,.cart-fields input,.cart-fields select,.modal__box input,.modal__box select{
  width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:#fff}
.pos-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:8px;margin-bottom:8px}
.tab{border:0;background:#eef3ef;padding:10px 16px;border-radius:999px;white-space:nowrap;cursor:pointer;font-weight:700}
.tab.is-active{background:var(--green);color:#fff}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:10px}
.pcard{background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:10px;display:flex;flex-direction:column;gap:8px}
.pcard h4{margin:0;font-size:14px;line-height:1.3;min-height:36px}
.pcard .price{color:var(--ink2);font-size:13px}
.pcard .row{display:flex;gap:6px}
.pcard button{flex:1;border-radius:10px;border:0;padding:10px 0;font-weight:800;cursor:pointer;font-size:14px}
.btn-m{background:var(--mint)} .btn-l{background:var(--pink)}
.btn-add{background:var(--ink);color:#fff;width:100%}
.pos-hint{color:var(--ink2);font-size:13px}
.pos-cart{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;
  position:sticky;top:70px;align-self:start;max-height:calc(100vh - 90px);overflow:auto}
.cart-head{display:flex;align-items:center;justify-content:space-between}
.cart-head h2{font:800 18px var(--font-d);margin:0}
.cart-head span{color:var(--green)}
.cart-fields{display:grid;gap:8px;margin:10px 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cart-fields label{font-size:13px;color:var(--ink2);display:grid;gap:5px}
.cart-items{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.citem{background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:8px 10px}
.citem .l1{display:flex;justify-content:space-between;gap:8px;font-weight:700;font-size:14px}
.citem .l2{display:flex;align-items:center;gap:8px;margin-top:6px}
.qty{display:flex;align-items:center;gap:8px}
.qty button{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--line);background:#fff;font-size:17px;cursor:pointer;line-height:1}
.qty b{min-width:22px;text-align:center}
.citem input.p{width:76px;padding:6px;border:1.5px solid var(--line);border-radius:8px;font:inherit}
.citem .rm{margin-left:auto;border:0;background:none;color:var(--pink2);cursor:pointer;font-size:13px}
.tops-sel{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.top-chip{display:inline-flex;align-items:center;gap:6px;background:var(--tint-pink,#FCE6ED);border-radius:999px;padding:4px 6px 4px 10px;font-size:12px;font-weight:700}
.top-chip button{border:1px solid var(--line);background:#fff;border-radius:50%;width:22px;height:22px;cursor:pointer;line-height:1;font-size:13px}
.tops-toggle{border:1.5px dashed var(--green);background:#fff;color:var(--green);border-radius:999px;padding:6px 12px;font-weight:800;cursor:pointer;font-size:13px}
.tops-box{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tops-box[hidden]{display:none}
.tops-pick{border:0;background:#eef3ef;border-radius:999px;padding:8px 11px;font-size:12px;font-weight:700;cursor:pointer}
.tops-pick:active{background:var(--green);color:#fff}
.opt-sum{font-size:12px;color:var(--ink2);margin-top:6px}
.opts{border:1.5px dashed var(--line);border-radius:12px;padding:10px;margin-top:8px;display:grid;gap:10px;background:#fff}
.opts[hidden]{display:none}
.opt-group{display:grid;gap:6px}
.opt-t{margin:0;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--ink2)}
.opt-input{width:100%;padding:9px 11px;border:1.5px solid var(--line);border-radius:10px;font:inherit}
.opt-radio,.opt-check{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;background:#f6f6f0;border-radius:10px;padding:7px 10px;cursor:pointer}
.opt-radio input,.opt-check input{width:17px;height:17px;accent-color:var(--green)}
.opt-tops{display:grid;gap:6px;max-height:220px;overflow:auto}
.opt-qty{margin-left:auto;display:inline-flex;align-items:center;gap:6px}
.opt-qty button{width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line);background:#fff;cursor:pointer}
.cart-total{background:var(--mint);border-radius:12px;padding:10px 12px;margin:10px 0;display:grid;gap:4px}
.cart-total div{display:flex;justify-content:space-between}
.cart-total .grand{font:800 19px var(--font-d)}
.cart-actions{display:flex;gap:8px}
.sync-row{display:flex;align-items:center;gap:8px;margin:8px 0;flex-wrap:wrap}
.sync-toggle{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;cursor:pointer}
.sync-toggle input{width:17px;height:17px;accent-color:var(--green)}
.sync-st{font-size:12px;color:var(--ink2)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.4);display:grid;place-items:center;z-index:50;padding:16px}
.modal[hidden]{display:none}
.modal__box{background:#fff;border-radius:18px;padding:18px;max-width:520px;width:100%;display:grid;gap:10px}
.modal__box h3{margin:0;font-family:var(--font-d)}
.modal__actions{display:flex;gap:8px;justify-content:flex-end}
.history{list-style:none;margin:0;padding:0;display:grid;gap:8px;max-height:50vh;overflow:auto}
.history li{background:#f6f6f0;border-radius:10px;padding:8px 10px;font-size:14px}

/* Bill chỉ hiện khi in */
#printArea{display:none}
@media print{
  body>*{display:none !important}
  #printArea{display:block !important}
  .bill{width:72mm;margin:0 auto;color:#000;font:400 12px/1.5 Arial,sans-serif}
  .bill__head{text-align:center}
  .bill__head h1{font-size:17px;margin:0}
  .bill__head h2{font-size:14px;margin:6px 0}
  .bill__head p{margin:2px 0}
  .bill__table{width:100%;border-collapse:collapse;margin:8px 0}
  .bill__table th,.bill__table td{border-bottom:1px dashed #999;padding:4px 2px;text-align:left;font-size:12px}
  .bill__table th:nth-child(2),.bill__table td:nth-child(2),
  .bill__table th:nth-child(3),.bill__table td:nth-child(3),
  .bill__table th:nth-child(4),.bill__table td:nth-child(4){text-align:right}
  .bill__total p{display:flex;justify-content:space-between;margin:2px 0}
  .bill__total .grand{font-size:15px;font-weight:800}
  .bill__thanks{text-align:center}
  .bn{font-weight:800;font-size:12.5px}
  .bsz{font-size:10px;color:#444}
  .bdt{font-size:11px;margin-top:1px}
  .bnt{font-size:11px;font-style:italic;margin-top:1px}
  @page{size:A5;margin:10mm}
}

@media (max-width:980px){
  .pos-layout{grid-template-columns:1fr}
  .pos-cart{position:static;max-height:none}
  .pos-status{display:none}
}