/* 绿泉 POS counter. Colours chosen for WCAG AA contrast (text >= 4.5:1). */
:root{
  --bg:#f5f3ec; --card:#fffdf8; --ink:#1e271c; --muted:#5a6156; --line:#d9d4c6;
  --olive:#2f4a2a; --olive-2:#3f5d38; --olive-soft:#e7eddf;
  --amber:#7a5410; --amber-soft:#f6ecd5; --red:#9b2f20; --red-soft:#f7e3df;
  --cash:#2f4a2a; --wechat:#05753a; --alipay:#0a58c2;
  --focus:#0a58c2;
  --r:12px; --shadow:0 1px 2px rgba(30,39,28,.06),0 4px 16px rgba(30,39,28,.05);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  -webkit-text-size-adjust:100%}
[hidden]{display:none!important}
button,input,select{font:inherit;color:inherit}
h1,h2,h3{margin:0;line-height:1.3}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:8px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px}
.skip:focus{top:8px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.brand{display:flex;align-items:baseline;gap:8px;margin:0;font-weight:400}
.brand-mark{font-weight:700;font-size:28px;color:var(--olive);letter-spacing:.06em}
.brand-sub{font-size:16px;color:var(--muted)}
.brand.small .brand-mark{font-size:20px}

/* buttons & fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 16px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;font-weight:600;touch-action:manipulation;white-space:nowrap}
.btn.primary{background:var(--olive);border-color:var(--olive);color:#fff}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.sm{min-height:40px;padding:0 12px;font-size:14px}
.btn.danger{color:var(--red);border-color:#e2b8af}
.ghost{background:none;border:0;color:var(--olive);cursor:pointer;padding:10px 8px;font-weight:600;min-height:44px}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:14px;color:var(--muted);font-weight:600}
input{width:100%;min-height:48px;padding:8px 12px;border:1px solid #a8a293;border-radius:10px;background:#fff}
.hint{font-size:14px;color:var(--muted);margin:6px 0 14px}

/* PIN */
.pin-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px}
.pin-card{width:100%;max-width:360px;text-align:center}
.pin-card .brand{justify-content:center;margin-bottom:28px}
.pin-prompt{color:var(--muted);margin:0 0 18px}
.pin-dots{display:flex;justify-content:center;gap:18px;margin-bottom:10px}
.pin-dots i{width:16px;height:16px;border-radius:50%;border:2px solid var(--olive)}
.pin-dots i.on{background:var(--olive)}
.pin-dots.shake{animation:shake .35s}
@keyframes shake{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
.pin-error{min-height:24px;color:var(--red);font-weight:600;margin:6px 0 14px}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.keypad button{height:72px;border-radius:16px;border:1px solid var(--line);background:var(--card);font-size:26px;font-weight:500;box-shadow:var(--shadow);cursor:pointer}
.keypad .k-sub{font-size:17px;color:var(--olive);box-shadow:none;background:transparent;border-color:transparent;font-weight:600}

/* top bar */
.topbar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;
  padding:8px max(16px,env(safe-area-inset-right,0px)) 8px max(16px,env(safe-area-inset-left,0px));background:var(--card);border-bottom:1px solid var(--line)}
.views{display:flex;gap:4px}
.views button{background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px;font-weight:600;color:var(--muted);cursor:pointer;min-height:44px}
.views button[aria-current="page"]{color:var(--olive);border-bottom-color:var(--olive)}
.topbar-right{display:flex;align-items:center;gap:6px}
.staff{color:var(--muted);font-size:14px}
main{outline:none}

/* sell */
.sell{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px;align-items:start;max-width:1400px;margin:0 auto;
  padding:16px max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px))}
.scanrow{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;gap:8px;align-items:end}
.ico{font-size:14px}
@media (max-width:640px){.scanrow{grid-template-columns:repeat(3,minmax(0,1fr))}.scanrow .field{grid-column:1/-1}}
.reader{width:100%;min-height:220px;border-radius:12px;overflow:hidden;background:#111;margin:10px 0}
.reader video{width:100%!important;height:auto!important;display:block}
.cam-last{min-height:28px;font-weight:700;color:var(--olive)}
#code-input{font-size:20px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.chip{border:1px solid #a8a293;background:var(--card);border-radius:999px;padding:6px 14px;min-height:40px;cursor:pointer;font-weight:600;font-size:14px}
.chip[aria-pressed="true"]{background:var(--olive);border-color:var(--olive);color:#fff}
.tiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.tile{width:100%;height:100%;min-height:118px;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px;cursor:pointer;box-shadow:var(--shadow)}
.tile:hover{border-color:var(--olive-2)}
.tile:active{background:var(--olive-soft)}
.tile .t-prod{font-size:13px;color:var(--muted)}
.tile .t-var{font-size:17px;font-weight:700;overflow-wrap:anywhere}
.tile .t-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:baseline;width:100%;gap:6px;padding-top:6px}
.tile .t-price{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.tile .t-stock{font-size:13px;color:var(--muted)}
.tile .t-stock.low{color:var(--red);font-weight:700}
.tile.in-cart{border-color:var(--olive);box-shadow:0 0 0 2px var(--olive-soft)}
.t-badge{align-self:flex-end;margin-bottom:-18px;background:var(--olive);color:#fff;border-radius:999px;font-size:13px;font-weight:700;padding:0 8px;min-width:24px;text-align:center}

.cart{position:sticky;top:76px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);
  display:flex;flex-direction:column;max-height:calc(100vh - 92px);max-height:calc(100dvh - 92px);scroll-margin-top:76px}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px 4px}
.cart-head h2{font-size:18px}
.count{font-size:14px;color:var(--muted);font-weight:600}
.lines{list-style:none;margin:0;padding:0 16px;overflow:auto;flex:1 1 auto;min-height:80px}
.line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;padding:12px 0;border-bottom:1px solid var(--line)}
.line:last-child{border-bottom:0}
.l-name b{display:block;overflow-wrap:anywhere}
.l-name small{color:var(--muted)}
.l-sub{font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
.l-ctrl{grid-column:1/-1;display:flex;align-items:center;gap:6px}
.step{width:44px;height:44px;border-radius:10px;border:1px solid #a8a293;background:var(--bg);font-size:22px;cursor:pointer;line-height:1}
.l-ctrl input{width:64px;min-height:44px;text-align:center;font-size:18px;font-weight:700;padding:4px}
.l-ctrl .ghost{margin-left:auto;color:var(--red)}
.l-warn{grid-column:1/-1;font-size:13px;color:var(--red);font-weight:600;margin:0}
.empty{color:var(--muted);padding:8px 16px 16px;margin:0}
.totals{display:flex;justify-content:space-between;align-items:baseline;padding:12px 16px;border-top:2px solid var(--ink)}
.totals span{font-size:18px;font-weight:700}
.total{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums}
.pay{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 16px 16px}
.pay h3{grid-column:1/-1;font-size:14px;color:var(--muted)}
.pay-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:76px;border:0;border-radius:12px;
  color:#fff;font-size:18px;font-weight:700;cursor:pointer}
.pay-btn.cash{background:var(--cash)} .pay-btn.wechat{background:var(--wechat)} .pay-btn.alipay{background:var(--alipay)}
.pay-btn:disabled{background:#8d918a;cursor:not-allowed}
.pay-ico{font-size:15px;opacity:.9;border:2px solid currentColor;border-radius:6px;width:26px;height:26px;display:grid;place-items:center;line-height:1}
.mobile-bar{display:none}

@media (max-width:900px){
  .sell{grid-template-columns:1fr;padding-bottom:90px}
  .cart{position:static;max-height:none}
  .lines{overflow:visible}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:6;justify-content:space-between;align-items:center;gap:10px;
    background:var(--card);border-top:1px solid var(--line);
    padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
  .mobile-bar b{font-size:22px}
}
@media (max-width:480px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar .staff{display:none}}

/* dialogs */
.dlg-wrap{position:fixed;inset:0;z-index:40;background:rgba(18,24,16,.6);display:grid;place-items:center;padding:16px}
.dlg{width:100%;max-width:440px;max-height:calc(100vh - 32px);overflow:auto;background:var(--card);border-radius:16px;padding:20px;box-shadow:0 10px 40px rgba(0,0,0,.3)}
.dlg h2{font-size:20px;margin-bottom:6px}
.dlg .due{font-size:40px;font-weight:800;font-variant-numeric:tabular-nums;margin:4px 0 12px}
.dlg .quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
.dlg .quick .btn{min-height:52px;font-size:17px}
.dlg .change{font-size:20px;margin:12px 0;padding:12px;border-radius:10px;background:var(--olive-soft)}
.dlg .change b{font-size:30px;font-variant-numeric:tabular-nums}
.dlg .change.short{background:var(--red-soft);color:var(--red)}
.dlg .row{display:flex;gap:8px;margin-top:14px}
.dlg .row .btn{flex:1;min-height:56px;font-size:18px}
.dlg p{margin:6px 0}
.dlg .wallet{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;color:#fff;margin:10px 0}
.dlg .wallet.wechat{background:var(--wechat)} .dlg .wallet.alipay{background:var(--alipay)}
.receipt{list-style:none;padding:0;margin:10px 0;border-top:1px dashed #a8a293;border-bottom:1px dashed #a8a293}
.receipt li{display:flex;justify-content:space-between;gap:10px;padding:6px 0;font-variant-numeric:tabular-nums}
.r-total{display:flex;justify-content:space-between;font-size:20px;font-weight:800;margin-top:6px}
.ok-mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--olive);color:#fff;font-weight:800;margin-right:8px}

/* summary */
#view-summary{max-width:1200px;margin:0 auto;padding:16px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
.sum-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
.sum-head h1{font-size:24px}
.datebar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.datebar input{width:auto}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}
@media (max-width:700px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.kpi b{display:block;font-size:26px;font-variant-numeric:tabular-nums}
.kpi span{color:var(--muted);font-size:14px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin-bottom:16px}
.panel h2{font-size:18px;margin-bottom:8px}
.tbl-wrap{overflow-x:auto;position:relative}
table{width:100%;border-collapse:collapse;font-size:15px}
caption{text-align:left;font-weight:700;font-size:18px;padding-bottom:8px}
th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:13px;color:var(--muted);font-weight:700}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tfoot td{font-weight:800;border-top:2px solid var(--ink);border-bottom:0}
.m-pill{display:inline-block;border-radius:999px;padding:1px 10px;font-size:13px;font-weight:700;color:#fff}
.m-pill.cash{background:var(--cash)} .m-pill.wechat{background:var(--wechat)} .m-pill.alipay{background:var(--alipay)}
.flag{color:var(--red);font-weight:700}
.voided td{color:var(--muted)}
.voided .amt{text-decoration:line-through}
.notice{border-radius:10px;padding:10px 12px;margin-bottom:16px}
.notice.red{background:var(--red-soft);color:var(--red)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:800px){.grid2{grid-template-columns:minmax(0,1fr)}}
.panel{min-width:0}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:50;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;
  font-size:15px;max-width:90vw;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
.toast.err{background:var(--red)}
@media (max-width:900px){.toast{bottom:90px}}

@media print{
  .topbar,.datebar,.skip,.toast,.mobile-bar,[data-void]{display:none!important}
  body{background:#fff}
  .panel,.kpi{border-color:#999;box-shadow:none}
}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
@media print{
  body.print-receipt #app,body.print-receipt .skip{display:none!important}
  body.print-receipt .dlg-wrap{position:static;background:none;padding:0}
  body.print-receipt .dlg{box-shadow:none;max-width:80mm}
  body.print-receipt .dlg .row{display:none}
}

/* product numbers */
.chiprow{display:flex;gap:8px;align-items:flex-start;justify-content:space-between;margin:12px 0}
.chiprow .chips{margin:0}
.chiprow .btn{flex:none}
.t-top{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:2px}
.t-no{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:800;letter-spacing:.04em;color:#fff;
  background:var(--ink);border-radius:8px;padding:1px 8px;line-height:1.35}
.tile .t-badge{align-self:auto;margin:0}
.l-no{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:800;background:var(--ink);color:#fff;border-radius:6px;padding:0 6px;font-size:14px}
.dlg.wide{max-width:640px}
.numlist td{vertical-align:middle}
.no-btn{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:800;min-width:72px;min-height:44px;border-radius:8px;
  border:0;background:var(--ink);color:#fff;cursor:pointer}
@media print{body.print-receipt .dlg.wide{max-width:none}}

/* coupons in the cart */
.coupon-row{padding:6px 16px 0}
.coupon-form label{font-size:13px;color:var(--muted);font-weight:600}
.coupon-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px}
.coupon-in input{min-height:44px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.coupon-on{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:0;padding:8px 10px;border-radius:10px;background:var(--olive-soft);color:var(--olive)}
.coupon-on.warn{background:var(--amber-soft);color:var(--amber)}
.coupon-on .ghost{color:inherit;text-decoration:underline}
.subtotals{display:flex;justify-content:space-between;gap:8px;padding:8px 16px 0;font-size:15px;color:var(--muted)}
.subtotals b{color:var(--ink);font-variant-numeric:tabular-nums}
.r-sub{display:flex;justify-content:space-between;margin:2px 0;color:var(--muted)}

/* coupons page */
#view-coupons,#view-orders{max-width:1200px;margin:0 auto;padding:16px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
.clist{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.ccard{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.ccard.inactive{background:#f1efe8}
.cc-val{font-size:24px;font-weight:800;color:#fff;background:var(--olive);border-radius:10px;padding:14px 8px;text-align:center;line-height:1.2}
.ccard.inactive .cc-val{background:#6b7266}
.cc-main h2{font-size:18px;margin-bottom:4px}
.cc-main p{margin:2px 0}
.cc-meta{font-size:14px;color:var(--muted)}
.cc-meta.warn{color:var(--amber);font-weight:600}
.cc-in{color:var(--olive);font-weight:700}
.pill-s{display:inline-block;font-size:12px;border-radius:999px;padding:1px 8px;vertical-align:middle;font-weight:700;background:#e9e7df;color:var(--muted)}
.pill-s.active{background:var(--olive-soft);color:var(--olive)}
.pill-s.expired,.pill-s.used_up,.pill-s.off{background:var(--red-soft);color:var(--red)}
@media (max-width:640px){.ccard{grid-template-columns:84px minmax(0,1fr)}.cc-act{grid-column:1/-1}.cc-act .btn{width:100%}.cc-val{font-size:18px}}

/* orders */
.o-search{max-width:520px;margin-bottom:10px}
.o-search label{font-size:14px;color:var(--muted);font-weight:600}
td.wrap{white-space:normal;min-width:160px}
.kvs{display:grid;grid-template-columns:auto auto;justify-content:end;gap:4px 18px;margin:12px 0;font-variant-numeric:tabular-nums}
.kvs dt{color:var(--muted)} .kvs dd{margin:0;text-align:right}
.h3{font-size:16px;margin:12px 0 6px}
.rlist{list-style:none;margin:0;padding:0}
.rlist li{padding:8px 0;border-bottom:1px solid var(--line)}
.rlist small{color:var(--muted)}
.wrap-row{flex-wrap:wrap}
.wrap-row .btn{flex:1 1 140px}
.rf-lines{list-style:none;margin:8px 0;padding:0}
.rf-lines li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}
.rf-lines li > span:first-child{display:flex;flex-direction:column;min-width:0}
.rf-lines small{color:var(--muted)}
.rf-lines .l-ctrl{grid-column:auto}
.rf-lines .ghost{margin-left:0;color:var(--olive)}
.muted{color:var(--muted)}
.check{display:flex;align-items:center;gap:10px;margin:12px 0;font-weight:600;min-height:44px}
.check input{width:22px;height:22px;min-height:22px}
.methods{border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:6px 18px}
.methods legend{font-size:14px;color:var(--muted);font-weight:600;padding:0 4px}
.methods label{display:flex;align-items:center;gap:6px;min-height:44px}
.methods input{width:20px;height:20px;min-height:20px}
.field small{color:var(--muted)}
[aria-invalid="true"]{border-color:var(--red);outline:2px solid var(--red)}
.kpis6{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (max-width:1000px){.kpis6{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:520px){.kpis6{grid-template-columns:repeat(2,minmax(0,1fr))}}
.panel .tbl-wrap + .tbl-wrap{margin-top:14px}

/* print area: only the receipt is printed */
#print-area{display:none}
@media print{
  body.printing > *:not(#print-area){display:none!important}
  body.printing #print-area{display:block}
  .pr{width:72mm;font-size:12px;color:#000}
  .pr-h{font-size:15px;font-weight:800;text-align:center;margin:0 0 6px}
  .pr table{width:100%;border-collapse:collapse;margin:6px 0;border-top:1px dashed #000}
  .pr td{border:0;padding:2px 0;font-size:12px}
  .pr .pr-t td{font-weight:800;font-size:14px}
}