:root{
  --brand:#F07A1A; --brand-dark:#D9650A; --brand-soft:#FFF1E4; --brand-line:#F6B27A;
  --navy:#1F3553; --ink:#1F2A37; --ink-soft:#6B7684; --ink-faint:#9AA3AE;
  --bg:#F4F5F7; --panel:#FFFFFF; --card:#FFFFFF; --field:#FFFFFF;
  --line:#E3E6EA; --line-strong:#CDD2D8; --chip:#EEF0F3;
  --green:#1E9E5A; --green-soft:#E3F5EB; --red:#D8322E; --red-soft:#FDECEC;
  --gold:#B7860B; --gold-soft:#FBF3DC;
  --shadow:0 1px 2px rgba(31,53,83,.06), 0 4px 14px rgba(31,53,83,.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --brand:#FF8A2A; --brand-dark:#FF9C4A; --brand-soft:#3A2614; --brand-line:#8A5220;
    --navy:#DCE6F2; --ink:#E8ECF1; --ink-soft:#A3ADB9; --ink-faint:#76808C;
    --bg:#12161C; --panel:#1A1F27; --card:#1F252E; --field:#161A21;
    --line:#2C333D; --line-strong:#3B4450; --chip:#262D37;
    --green:#3CC47C; --green-soft:#16301F; --red:#F0524D; --red-soft:#3A1A1A;
    --gold:#E4B63E; --gold-soft:#332A12;
    --shadow:0 1px 2px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --brand:#FF8A2A; --brand-dark:#FF9C4A; --brand-soft:#3A2614; --brand-line:#8A5220;
  --navy:#DCE6F2; --ink:#E8ECF1; --ink-soft:#A3ADB9; --ink-faint:#76808C;
  --bg:#12161C; --panel:#1A1F27; --card:#1F252E; --field:#161A21;
  --line:#2C333D; --line-strong:#3B4450; --chip:#262D37;
  --green:#3CC47C; --green-soft:#16301F; --red:#F0524D; --red-soft:#3A1A1A;
  --gold:#E4B63E; --gold-soft:#332A12;
  --shadow:0 1px 2px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:'Onest',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.app{display:grid;grid-template-columns:64px minmax(0,1fr) 380px;height:100vh;border-top:6px solid var(--brand)}

/* rail */
.rail{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:16px 0;gap:10px}
.logo{width:36px;height:36px;border-radius:6px;background:var(--brand);color:#fff;font-weight:800;font-size:20px;display:grid;place-items:center;margin-bottom:18px}
.rail-btn{width:44px;height:44px;border:0;border-radius:10px;background:transparent;color:var(--brand);display:grid;place-items:center}
.rail-btn:hover{background:var(--brand-soft)}
.rail-btn svg{width:22px;height:22px}
.rail-spacer{flex:1}
.signout{text-decoration:none;font-size:11px;color:var(--red);display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:0}

/* main */
.main{display:flex;flex-direction:column;min-width:0;min-height:0}
.topbar{display:flex;align-items:center;gap:24px;padding:18px 24px 10px}
.store h1{margin:0;font-size:18px;color:var(--navy);font-weight:700}
.store p{margin:3px 0 0;font-size:13px;color:var(--ink-soft)}
.search{flex:1;max-width:420px;margin-left:auto;position:relative}
.search input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--field);padding:0 14px 0 38px;font-size:14px}
.search svg{position:absolute;left:12px;top:12px;width:18px;height:18px;color:var(--ink-faint)}
.cats{display:flex;gap:6px;padding:8px 24px 14px;overflow-x:auto;scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.cat{flex:none;border:0;background:transparent;padding:9px 18px;border-radius:999px;font-size:13px;color:var(--navy);font-weight:500}
.cat:hover{background:var(--chip)}
.cat.on{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 3px 8px rgba(240,122,26,.3)}

.grid-wrap{flex:1;overflow:auto;padding:0 24px 20px;min-height:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.card{position:relative;text-align:left;border:1px solid var(--line-strong);background:var(--card);border-radius:8px;padding:10px 10px 9px;min-height:118px;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:border-color .12s, transform .08s}
.card:hover{border-color:var(--brand-line)}
.card:active{transform:scale(.98)}
.card .nm{font-size:13px;font-weight:600;color:var(--navy);line-height:1.2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding-right:4px}
.card .sku{font-size:11px;color:var(--ink-soft);margin-top:2px}
.card .pr{margin-top:auto;padding-top:4px;padding-right:48px;font-size:14px;font-weight:700;color:var(--brand)}
.card .pr small{display:block;font-size:10px;font-weight:500;color:var(--ink-soft)}
.card .art{position:absolute;right:8px;bottom:6px;font-size:42px;line-height:1;filter:drop-shadow(0 3px 3px rgba(0,0,0,.15))}
.tags{display:flex;gap:4px;margin-top:5px;flex-wrap:wrap}
.tag{font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;letter-spacing:.02em}
.tag.bogo{background:var(--green-soft);color:var(--green)}
.tag.var{background:var(--chip);color:var(--ink-soft)}
.card.scan{border:1.5px solid var(--brand);align-items:center;justify-content:center;gap:8px;color:var(--brand);font-weight:600;font-size:13px}
.card.scan svg{width:54px;height:40px}
.card .incart{position:absolute;top:-7px;right:-7px;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--brand);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}
.empty-grid{grid-column:1/-1;padding:50px 0;text-align:center;color:var(--ink-soft)}

.footer{display:flex;align-items:center;gap:22px;padding:12px 24px;background:var(--panel);border-top:1px solid var(--line);flex-wrap:wrap}
.cashier{display:flex;align-items:center;gap:12px;padding-right:22px;border-right:1px solid var(--line)}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--navy);color:var(--panel);display:grid;place-items:center;font-weight:700}
.cashier b{display:block;font-size:14px;font-weight:600;color:var(--navy)}
.cashier span{font-size:13px;color:var(--ink-soft)}
.quick p{margin:0 0 6px;font-size:13px;color:var(--navy)}
.quick p span{color:var(--ink-faint);margin-left:10px}
.quick-row{display:flex;gap:10px;flex-wrap:wrap}
.qbtn{min-width:120px;height:36px;border-radius:6px;border:1px solid var(--line-strong);background:var(--panel);color:var(--ink-soft);font-size:13px;font-weight:600;padding:0 14px}
.qbtn.on{border:2px solid var(--brand);color:var(--brand);background:var(--brand-soft)}

/* order */
.order{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.order-scroll{flex:1;overflow:auto;min-height:0}
.ohead{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 12px}
.ohead h2{margin:0;font-size:16px;color:var(--navy)}
.btn-soft{border:0;background:var(--red-soft);color:var(--red);font-size:13px;padding:8px 14px;border-radius:6px}

.box{margin:0 14px 12px;border:1px solid var(--line);border-radius:10px;padding:12px;box-shadow:var(--shadow);background:var(--panel)}
.box h3{margin:0 0 8px;font-size:13px;font-weight:600;color:var(--navy);display:flex;justify-content:space-between;align-items:center}
.box h3 small{font-weight:500;color:var(--ink-faint);font-size:11px}
.field{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--field);height:40px;overflow:hidden}
.field:focus-within{border-color:var(--brand)}
.field .pre{padding:0 10px;color:var(--ink-soft);font-size:13px;border-right:1px solid var(--line);height:100%;display:grid;place-items:center}
.field input{flex:1;min-width:0;border:0;background:transparent;height:100%;padding:0 10px;font-size:14px;outline:none;text-transform:none}
.field button{border:0;background:var(--brand);color:#fff;height:100%;padding:0 14px;font-weight:600;font-size:13px}
.field button:disabled{opacity:.5;cursor:default}
.hint{font-size:11px;color:var(--ink-faint);margin-top:6px}
.hint button{border:0;background:none;color:var(--brand);padding:0;font-size:11px;text-decoration:underline}
.msg{font-size:12px;margin-top:6px}
.msg.err{color:var(--red)} .msg.ok{color:var(--green)}

.cust{display:flex;align-items:center;gap:10px}
.cust .avatar{width:40px;height:40px;background:var(--brand-soft);color:var(--brand);font-size:14px}
.cust .who{flex:1;min-width:0}
.cust .who b{display:block;font-size:14px;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cust .who span{font-size:12px;color:var(--ink-soft)}
.tier{font-size:10px;font-weight:700;padding:2px 7px;border-radius:4px;margin-left:6px;vertical-align:1px}
.tier.Gold{background:var(--gold-soft);color:var(--gold)}
.tier.Silver{background:var(--chip);color:var(--ink-soft)}
.tier.Member,.tier.New{background:var(--brand-soft);color:var(--brand)}
.link{border:0;background:none;color:var(--brand);font-size:12px;font-weight:600;padding:4px}
.newform{margin-top:8px;display:flex;gap:8px}
.newform .field{flex:1}

.lines{padding:0 0 4px}
.line{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.line-del{position:absolute;right:0;top:0;bottom:0;width:84px;border:0;background:var(--red);color:#fff;font-weight:600;font-size:13px}
.line-in{position:relative;background:var(--panel);display:flex;align-items:center;gap:10px;padding:12px 16px;transition:transform .2s ease;touch-action:pan-y}
.line.open .line-in{transform:translateX(-84px)}
.line .art{width:44px;font-size:34px;text-align:center;flex:none;cursor:pointer}
.line .info{flex:1;min-width:0;cursor:pointer}
.line .info b{display:block;font-size:13px;font-weight:500;color:var(--navy);line-height:1.25}
.line .info span{display:block;font-size:11px;color:var(--ink-soft);margin-top:2px}
.line .info .save{color:var(--green);font-weight:600}
.step{display:flex;align-items:center;gap:6px}
.step button{width:28px;height:28px;border:0;border-radius:6px;background:var(--chip);font-size:16px;line-height:1;color:var(--ink)}
.step b{min-width:18px;text-align:center;font-weight:500;font-size:15px}
.lt{width:70px;text-align:right;font-weight:600;font-size:15px;color:var(--navy)}
.lt s{display:block;font-size:11px;font-weight:400;color:var(--ink-faint)}
.lines-empty{text-align:center;padding:30px 20px;color:var(--ink-soft);font-size:13px}
.lines-empty div{font-size:34px;margin-bottom:6px}
.swipe-hint{font-size:11px;color:var(--ink-faint);text-align:center;padding:6px 0 12px}

.coupon-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.cchip{border:1px dashed var(--brand-line);background:var(--brand-soft);color:var(--brand);border-radius:6px;padding:5px 8px;font-size:11px;font-weight:600;text-align:left}
.cchip small{display:block;font-weight:400;color:var(--ink-soft)}
.applied{display:flex;align-items:center;gap:8px;background:var(--green-soft);border-radius:8px;padding:8px 10px}
.applied .ic{font-size:18px}
.applied div{flex:1;font-size:12px;color:var(--ink-soft)}
.applied b{display:block;font-size:13px;color:var(--green)}
.applied.warn{background:var(--gold-soft)}
.applied.warn b{color:var(--gold)}

.loy{display:flex;align-items:center;gap:10px}
.loy .pts{flex:1;font-size:12px;color:var(--ink-soft)}
.loy .pts b{display:block;font-size:18px;color:var(--navy)}
.switch{position:relative;width:44px;height:24px;border-radius:12px;border:0;background:var(--line-strong);flex:none;transition:background .15s}
.switch::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s}
.switch[aria-checked="true"]{background:var(--brand)}
.switch[aria-checked="true"]::after{transform:translateX(20px)}
.switch:disabled{opacity:.45;cursor:default}
.earn{margin-top:8px;font-size:12px;color:var(--ink-soft);background:var(--chip);border-radius:6px;padding:6px 8px}
.earn b{color:var(--brand)}

.totals .row{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-soft);padding:5px 0}
.totals .row span:last-child{color:var(--navy);font-weight:500}
.totals .row.dis span:last-child{color:var(--green)}
.totals .row.grand{border-top:1px solid var(--line);margin-top:6px;padding-top:12px;font-size:17px;font-weight:700;color:var(--navy)}
.totals .row.grand span:last-child{font-weight:700}
.pay{padding:12px 14px 16px;border-top:1px solid var(--line)}
.pay-btn{width:100%;height:52px;border:0;border-radius:8px;background:var(--brand);color:#fff;font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px}
.pay-btn:hover{background:var(--brand-dark)}
.pay-btn:disabled{opacity:.45;cursor:default}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,22,32,.5);display:none;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal.show{display:flex}
.sheet{background:var(--panel);border-radius:14px;width:100%;max-width:420px;max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.25);animation:pop .16s ease-out}
@keyframes pop{from{transform:translateY(10px);opacity:0}}
@media (prefers-reduced-motion:reduce){.sheet{animation:none}.line-in,.switch::after{transition:none}}
.sheet-head{display:flex;align-items:center;gap:14px;padding:18px 18px 12px}
.sheet-head .art{font-size:48px}
.sheet-head h3{margin:0;font-size:18px;color:var(--navy)}
.sheet-head p{margin:2px 0 0;font-size:12px;color:var(--ink-soft)}
.x{margin-left:auto;align-self:flex-start;border:0;background:var(--chip);width:32px;height:32px;border-radius:8px;font-size:18px}
.sheet-body{padding:0 18px 12px}
.grp{margin-bottom:14px}
.grp h4{margin:0 0 8px;font-size:13px;color:var(--navy);font-weight:600}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.opt{border:1px solid var(--line-strong);background:var(--card);border-radius:8px;padding:10px;text-align:left}
.opt b{display:block;font-size:13px;font-weight:600}
.opt span{font-size:12px;color:var(--ink-soft)}
.opt.on{border:2px solid var(--brand);background:var(--brand-soft);padding:9px}
.opt.on span{color:var(--brand)}
.sheet-foot{display:flex;align-items:center;gap:12px;padding:14px 18px 18px;border-top:1px solid var(--line)}
.sheet-foot .step button{width:36px;height:36px}
.sheet-foot .pay-btn{height:46px;font-size:15px;flex:1}
.receipt{font-size:13px}
.receipt .r{display:flex;justify-content:space-between;padding:4px 0;color:var(--ink-soft)}
.receipt .r span:last-child{color:var(--ink)}
.receipt .r.big{font-size:18px;font-weight:700;color:var(--navy);border-top:1px dashed var(--line-strong);margin-top:6px;padding-top:10px}
.receipt .r.big span:last-child{color:var(--navy)}
.receipt hr{border:0;border-top:1px dashed var(--line-strong);margin:8px 0}
.done{font-size:44px;text-align:center;color:var(--green);margin-top:4px}
.methods{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--navy);color:var(--panel);padding:10px 16px;border-radius:8px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:60}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:1100px){.app{grid-template-columns:64px minmax(0,1fr) 340px}}
@media (max-width:860px){
  .app{grid-template-columns:1fr;height:auto;min-height:100vh}
  .rail{flex-direction:row;padding:8px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .logo{margin:0 10px 0 0}
  .signout{text-decoration:none;flex-direction:row}
  .main{min-height:auto}
  .grid-wrap{overflow:visible}
  .topbar{flex-wrap:wrap;padding:14px 16px 8px}
  .search{max-width:none;flex-basis:100%}
  .cats,.grid-wrap{padding-left:16px;padding-right:16px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .cashier{border-right:0}
  .order{border-left:0;border-top:1px solid var(--line)}
  .order-scroll{overflow:visible}
  .pay{position:sticky;bottom:0;background:var(--panel)}
}

/* ---------- additions for the PHP app ---------- */
.clock{display:flex;flex-direction:column;align-items:flex-end;gap:2px;padding:6px 12px;border-radius:10px;background:var(--brand-soft);min-width:170px}
.clock b{font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.clock span{font-size:12px;color:var(--navy)}
.live{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-soft)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(30,158,90,.5);animation:pulse 2s infinite}
.live.off i{background:var(--red);animation:none}
@keyframes pulse{70%{box-shadow:0 0 0 6px rgba(30,158,90,0)}100%{box-shadow:0 0 0 0 rgba(30,158,90,0)}}
@media (prefers-reduced-motion:reduce){.live i{animation:none}}
.rail-btn.on{background:var(--brand-soft)}
.card.out{opacity:.5;cursor:not-allowed}
.card .stock{font-size:10px;font-weight:600;color:var(--red)}
.card .stock.low{color:var(--gold)}
.loading{grid-column:1/-1;padding:60px 0;text-align:center;color:var(--ink-soft)}
.drawer{position:fixed;inset:0 auto 0 64px;width:min(420px,calc(100vw - 64px));background:var(--panel);border-right:1px solid var(--line);box-shadow:10px 0 30px rgba(0,0,0,.12);transform:translateX(calc(-100% - 90px));visibility:hidden;transition:transform .2s,visibility .2s;z-index:40;display:flex;flex-direction:column}
.drawer.show{transform:none;visibility:visible}
.drawer header{display:flex;align-items:center;justify-content:space-between;padding:18px}
.drawer header h2{margin:0;font-size:17px;color:var(--navy)}
.drawer .list{overflow:auto;flex:1;padding:0 12px 16px}
.ord{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:10px 12px;margin-bottom:8px}
.ord div{flex:1;min-width:0}
.ord b{display:block;font-size:14px;color:var(--navy)}
.ord span{font-size:12px;color:var(--ink-soft)}
.ord strong{font-size:15px;color:var(--brand)}
.today{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 12px 12px}
.today div{background:var(--chip);border-radius:8px;padding:8px 10px}
.today b{display:block;font-size:16px;color:var(--navy)}
.today span{font-size:11px;color:var(--ink-soft)}
.btn-line{height:46px;border:1px solid var(--line-strong);background:var(--panel);border-radius:8px;padding:0 16px;font-weight:600;color:var(--navy)}
.err-box{background:var(--red-soft);color:var(--red);border-radius:8px;padding:8px 10px;font-size:13px;margin-top:10px}
#printArea{display:none}
@media (max-width:860px){.drawer{inset:0;width:100%}.clock{align-items:flex-start;min-width:0}}
@media print{
  body *{visibility:hidden}
  #printArea,#printArea *{visibility:visible}
  #printArea{display:block;position:absolute;left:0;top:0;width:72mm;font:12px/1.4 'Courier New',monospace;color:#000}
  #printArea h1{font-size:15px;text-align:center;margin:0}
  #printArea p{margin:2px 0;text-align:center}
  #printArea table{width:100%;border-collapse:collapse;margin:6px 0}
  #printArea td{padding:1px 0;vertical-align:top}
  #printArea td:last-child{text-align:right}
  #printArea hr{border:0;border-top:1px dashed #000}
  #printArea .big td{font-weight:700;font-size:14px}
}