/* Mini Inventory POS — Tabitech Business Solutions */
:root{
  --bg:#F2F4F8; --surface:#FFFFFF; --surface-2:#F7F8FB; --ink:#18202E; --muted:#5A6477; --line:#DCE1EA;
  --brand:#1F3864; --brand-ink:#FFFFFF; --brand-soft:#E6ECF7;
  --ok:#1E7A4F; --ok-soft:#E2F2EA; --warn:#9A5B06; --warn-soft:#FCEFD9; --bad:#B42318; --bad-soft:#FBE4E2;
  --shadow:0 1px 2px rgba(24,32,46,.06),0 4px 16px rgba(24,32,46,.06);
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.45 var(--sans);-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
[hidden]{display:none!important}

/* shell */
.app{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100%}
.side{background:var(--surface);border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:16px;position:sticky;top:0;height:100vh;overflow-y:auto}
.logo{padding:0 8px}
.logo b{display:block;font-weight:800;font-size:19px;letter-spacing:-.3px;color:var(--brand)}
.logo span{font-size:12px;color:var(--muted);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:3px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;font-weight:600;color:var(--muted);text-decoration:none}
.nav a svg{flex:none;width:18px;height:18px}
.nav a[aria-current="page"]{background:var(--brand-soft);color:var(--brand)}
.nav a:hover{color:var(--ink)}
.side-foot{margin-top:auto;font-size:12px;color:var(--muted);padding:0 8px;display:flex;flex-direction:column;gap:8px}
.main{display:flex;flex-direction:column;min-width:0}
.top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 22px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top h1{margin:0;font-weight:800;font-size:20px;letter-spacing:-.2px;flex:1 1 auto;min-width:0}
.net{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--surface-2);border-radius:999px;padding:5px 12px;font-weight:600;font-size:13px}
.net .dot{width:9px;height:9px;border-radius:50%;background:var(--ok)}
.net.off .dot{background:var(--warn)}
.net button{border:0;background:var(--brand);color:var(--brand-ink);border-radius:999px;padding:2px 9px;font-size:12px;font-weight:700}
.userchip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--muted)}
.banner{padding:9px 22px;font-size:14px;font-weight:600}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.banner.bad{background:var(--bad-soft);color:var(--bad)}
.content{padding:20px 22px 100px;display:flex;flex-direction:column;gap:18px;width:100%;max-width:1280px}
.bottom{display:none}
.mobile-only{display:none}
.mob-cart{display:none}

/* blocks */
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow);min-width:0}
.card h2{margin:0;font-size:16px;font-weight:700}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.muted{color:var(--muted)} .small{font-size:13px}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow);min-width:0}
.kpi .lbl{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.kpi .val{font-weight:800;font-size:23px;letter-spacing:-.3px;line-height:1.15;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.kpi .sub{font-size:13px;color:var(--muted)}
.kpi.ok .val{color:var(--ok)} .kpi.warn .val{color:var(--warn)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;background:var(--surface)}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}
td.wrap{white-space:normal;min-width:170px;font-weight:600}
tr.click{cursor:pointer} tr.click:hover td{background:var(--surface-2)}
tr.void td{color:var(--muted);text-decoration:line-through}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:700;border-radius:999px;padding:3px 9px;white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)} .chip.warn{background:var(--warn-soft);color:var(--warn)} .chip.bad{background:var(--bad-soft);color:var(--bad)} .chip.info{background:var(--brand-soft);color:var(--brand)}
.empty{color:var(--muted);font-size:14px;padding:8px 0}
.btn{border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);border-radius:8px;padding:9px 16px;font-weight:700;font-size:14px;white-space:nowrap}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.danger{background:var(--bad);border-color:var(--bad)}
.btn.big{padding:14px 18px;font-size:17px;width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.linkbtn{border:0;background:none;color:var(--brand);font-weight:700;text-decoration:underline;padding:0}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.search{flex:1 1 220px;border:1px solid var(--line);background:var(--surface-2);border-radius:8px;padding:10px 12px;min-width:0}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chips button{border:1px solid var(--line);background:var(--surface-2);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;color:var(--muted)}
.chips button[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.seg{display:inline-flex;flex-wrap:wrap;gap:6px}
.seg button{border:1px solid var(--line);background:var(--surface-2);border-radius:8px;padding:8px 11px;font-size:13px;font-weight:700;color:var(--muted)}
.seg button[aria-pressed="true"]{border-color:var(--brand);background:var(--brand);color:var(--brand-ink)}

/* forms */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
.form .full{grid-column:1/-1}
label.f{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600;min-width:0}
label.f input,label.f select,label.f textarea{border:1px solid var(--line);background:var(--surface-2);border-radius:8px;padding:9px 10px;width:100%;min-width:0}
label.chk{display:flex;gap:8px;align-items:flex-start;font-size:14px;font-weight:600}
label.chk input{margin-top:3px}
.hint{font-size:12px;color:var(--muted);font-weight:400}
.err{color:var(--bad);font-size:13px;font-weight:600;margin:0}

/* bars */
.bars{display:flex;flex-direction:column;gap:9px}
.bar-row{display:grid;grid-template-columns:minmax(80px,140px) minmax(0,1fr) auto;gap:10px;align-items:center;font-size:13px}
.bar-row .k{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{height:12px;background:var(--surface-2);border-radius:6px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;background:var(--brand);border-radius:6px;min-width:2px}

/* panel / modal */
.scrim{position:fixed;inset:0;background:rgba(10,14,22,.45);z-index:20;display:flex;justify-content:flex-end}
.scrim.center{justify-content:center;align-items:center;padding:16px}
.panel{background:var(--surface);width:min(480px,100%);height:100%;padding:20px;display:flex;flex-direction:column;gap:14px;overflow-y:auto}
.scrim.center .panel{height:auto;max-height:100%;border-radius:14px}
.panel h2{margin:0;font-size:20px}
.panel-foot{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;margin-top:auto;padding-top:6px}
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-weight:600;font-size:14px;z-index:40;max-width:calc(100% - 32px);text-align:center}
.toast.bad{background:var(--bad)}

/* login */
.login{min-height:100%;display:flex;align-items:center;justify-content:center;padding:32px 16px}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);width:min(400px,100%);padding:26px;display:flex;flex-direction:column;gap:14px}
.login-card .brand{font-weight:800;font-size:24px;color:var(--brand);letter-spacing:-.3px}

/* POS */
.pos{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,1fr);gap:18px;align-items:start}
.picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:9px;max-height:calc(100vh - 250px);overflow-y:auto;padding:2px}
.pbtn{border:1px solid var(--line);background:var(--surface-2);border-radius:10px;padding:10px 11px;text-align:left;display:flex;flex-direction:column;gap:3px;min-height:84px}
.pbtn:hover{border-color:var(--brand)}
.pbtn .n{font-weight:600;font-size:14px;line-height:1.25;overflow-wrap:anywhere}
.pbtn .p{font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;margin-top:auto}
.pbtn .s{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.pbtn .s.low{color:var(--warn);font-weight:700} .pbtn .s.out{color:var(--bad);font-weight:700}
.pbtn:disabled{opacity:.45;cursor:not-allowed}
.ticket{position:sticky;top:72px}
.lines{display:flex;flex-direction:column;max-height:38vh;overflow-y:auto}
.line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--line)}
.line .n{font-weight:600;font-size:14px;overflow-wrap:anywhere}
.line .meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;grid-column:1/-1;justify-content:space-between}
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.stepper button{border:0;background:var(--surface-2);width:36px;height:36px;font-weight:700;font-size:17px}
.stepper input{width:62px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;background:var(--surface);height:36px;font-variant-numeric:tabular-nums}
.price-in{width:92px;border:1px solid var(--line);border-radius:8px;padding:6px 8px;text-align:right;background:var(--surface-2)}
.xbtn{border:0;background:transparent;color:var(--muted);font-size:13px;font-weight:600;text-decoration:underline;padding:4px}
.sumrow{display:flex;justify-content:space-between;align-items:center;gap:10px;font-variant-numeric:tabular-nums}
.total{display:flex;justify-content:space-between;align-items:baseline;font-weight:800;font-size:26px;letter-spacing:-.3px;font-variant-numeric:tabular-nums}
.change{display:flex;justify-content:space-between;font-weight:700;font-variant-numeric:tabular-nums;font-size:17px}
.change.bad{color:var(--bad)}
.quick{display:flex;gap:6px;flex-wrap:wrap}
.quick button{border:1px solid var(--line);background:var(--surface-2);border-radius:8px;padding:7px 10px;font-weight:700;font-size:13px;font-variant-numeric:tabular-nums}
.cash-in{font-size:20px;font-weight:700;text-align:right}

/* receipt */
.receipt{font-family:var(--mono);font-size:12.5px;background:#fff;color:#111;border:1px solid var(--line);border-radius:6px;padding:14px;display:flex;flex-direction:column;gap:4px;width:100%;max-width:330px;align-self:center}
.receipt .c{text-align:center}
.receipt .row{display:flex;justify-content:space-between;gap:8px}
.receipt .row span:first-child{overflow-wrap:anywhere}
.receipt hr{border:0;border-top:1px dashed #888;margin:4px 0;width:100%}
.receipt .tot{font-weight:700;font-size:14px}
#print-area{display:none}

/* camera scanner */
.scan-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px}
.scan-btn svg{width:20px;height:20px;flex:none}
.inrow{display:flex;gap:6px;align-items:stretch}
.inrow input{flex:1;min-width:0}
.inrow .scan-btn{padding:6px 10px}
.scanner{position:fixed;inset:0;z-index:30;background:#000;color:#fff;display:flex;flex-direction:column}
.scan-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top,0px))}
.scanner .btn.ghost{color:#fff;border-color:rgba(255,255,255,.8)}
.scanner .btn.ghost[aria-pressed="true"]{background:#fff;color:#000}
.scan-view{position:relative;flex:1;min-height:0;overflow:hidden}
.scan-view video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scan-frame{position:absolute;left:8%;right:8%;top:32%;bottom:32%;border:3px solid rgba(255,255,255,.95);border-radius:12px;box-shadow:0 0 0 100vmax rgba(0,0,0,.4)}
.scan-frame::after{content:"";position:absolute;left:5%;right:5%;top:50%;height:2px;background:#F04438}
.scan-msg{padding:14px 16px;text-align:center;font-weight:600;min-height:54px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;background:#18202E}
.scan-msg.ok{background:#1E7A4F} .scan-msg.bad{background:#B42318}
.scan-msg .btn{background:#fff;color:#18202E;border-color:#fff;padding:6px 12px}
.scan-actions{display:flex;justify-content:center;gap:10px;padding:10px 16px calc(14px + env(safe-area-inset-bottom,0px));background:#18202E}
.scan-actions:has(button[hidden]:only-child){display:none}

@media (max-width:1050px){
  .pos{grid-template-columns:minmax(0,1fr)}
  .ticket{position:static}
  .picker{max-height:none}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid2{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  .app{grid-template-columns:minmax(0,1fr)}
  .side{display:none}
  .mobile-only{display:inline-flex}
  .userchip{display:none}
  .mob-cart{position:fixed;left:12px;right:12px;bottom:calc(70px + env(safe-area-inset-bottom,0px));z-index:14;display:flex;justify-content:space-between;align-items:center;gap:10px;border:0;border-radius:12px;background:var(--brand);color:var(--brand-ink);padding:13px 16px;font-weight:600;box-shadow:0 6px 20px rgba(24,32,46,.25);font-variant-numeric:tabular-nums}
  .top{padding:10px 16px}
  .content{padding:16px 16px 110px}
  .banner{padding:9px 16px}
  .form{grid-template-columns:minmax(0,1fr)}
  .bottom{display:flex;position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--line);z-index:15;padding:6px 6px calc(6px + env(safe-area-inset-bottom,0px));overflow-x:auto;gap:2px}
  .bottom a{flex:1 0 64px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;border-radius:8px;font-size:11px;font-weight:600;color:var(--muted);text-decoration:none}
  .bottom a svg{width:20px;height:20px}
  .bottom a[aria-current="page"]{color:var(--brand);background:var(--brand-soft)}
  .picker{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
  .toast{bottom:96px}
}

/* printing: only the receipt or report */
@media print{
  body{background:#fff}
  body.print-receipt > *:not(#print-area){display:none!important}
  body.print-receipt #print-area{display:block}
  body.print-receipt #print-area .receipt{border:0;max-width:none;padding:0;font-size:11.5px}
  body.print-report .side,body.print-report .top,body.print-report .bottom,body.print-report .banner,body.print-report .noprint{display:none!important}
  body.print-report .app{display:block}
  body.print-report .card,body.print-report .kpi{box-shadow:none;break-inside:avoid}
}