/* base reset */
html{-webkit-text-size-adjust:100%}
body{margin:0;font-size:14px}
img{max-width:100%}
[hidden]{display:none!important}
#auth{position:fixed;inset:0;z-index:60;overflow-y:auto}

/* Layout: an operator console — dark service rail on the left, bright working surface, ticket rail on the right of the register. */
:root{
  --bg:#F2F4F7; --surface:#FFFFFF; --surface-2:#EBEEF3; --line:#D9DFE7; --line-2:#C6CEDA;
  --ink:#121D28; --ink-2:#465566; --ink-3:#768496;
  --accent:#E39B0B; --accent-ink:#241700; --accent-soft:#FCEECB; --accent-line:#E9B850;
  --rail:#142334; --rail-2:#1C2F45; --rail-ink:#BFCCDB; --rail-ink-2:#7F93AA;
  --good:#1D7F47; --good-soft:#DCF2E4; --warn:#9C5B00; --warn-soft:#FDEACB; --bad:#BC3027; --bad-soft:#FBE1DE; --info:#2A67A6; --info-soft:#DDEAF7;
  --chart:#2E5B88; --chart-2:#E39B0B;
  --shadow:0 1px 2px rgba(18,29,40,.06),0 8px 24px rgba(18,29,40,.08);
  --f-display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --r:10px; --r-sm:7px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0D131A; --surface:#151E28; --surface-2:#1C2733; --line:#273444; --line-2:#344457;
  --ink:#E6ECF2; --ink-2:#A6B3C2; --ink-3:#77879A;
  --accent:#F2B232; --accent-ink:#1E1300; --accent-soft:#382A0E; --accent-line:#8A6516;
  --rail:#0A1017; --rail-2:#131D28; --rail-ink:#BFCCDB; --rail-ink-2:#6F8399;
  --good:#53C485; --good-soft:#15301F; --warn:#F0A940; --warn-soft:#382811; --bad:#F06A5F; --bad-soft:#3A1917; --info:#6EA8E0; --info-soft:#15283B;
  --chart:#6EA2D6; --chart-2:#F2B232; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0D131A; --surface:#151E28; --surface-2:#1C2733; --line:#273444; --line-2:#344457;
  --ink:#E6ECF2; --ink-2:#A6B3C2; --ink-3:#77879A;
  --accent:#F2B232; --accent-ink:#1E1300; --accent-soft:#382A0E; --accent-line:#8A6516;
  --rail:#0A1017; --rail-2:#131D28; --rail-ink:#BFCCDB; --rail-ink-2:#6F8399;
  --good:#53C485; --good-soft:#15301F; --warn:#F0A940; --warn-soft:#382811; --bad:#F06A5F; --bad-soft:#3A1917; --info:#6EA8E0; --info-soft:#15283B;
  --chart:#6EA2D6; --chart-2:#F2B232; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); color-scheme:dark}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--f-display);font-weight:700;letter-spacing:-.01em;margin:0;text-wrap:balance}
h1{font-size:1.55rem}h2{font-size:1.15rem}h3{font-size:1rem}
.num,.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--ink-3)}.small{font-size:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* shell */
html,body{overflow:hidden}
#app{height:100%;overflow-y:auto}
.shell{display:grid;grid-template-columns:216px minmax(0,1fr);grid-template-rows:minmax(0,1fr);height:100%}
.rail{background:var(--rail);color:var(--rail-ink);display:flex;flex-direction:column;padding:16px 10px;gap:4px;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:var(--accent-ink)}
.brand b{font-family:var(--f-display);font-size:1.15rem;color:#fff;letter-spacing:-.01em}
.brand span{display:block;font-size:11px;color:var(--rail-ink-2);letter-spacing:.04em;text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--rail-ink);padding:9px 10px;border-radius:8px;cursor:pointer;text-align:left;font-weight:500}
.nav button:hover{background:var(--rail-2);color:#fff}
.nav button[aria-current="page"]{background:var(--rail-2);color:#fff;box-shadow:inset 3px 0 0 var(--accent)}
.nav svg{flex:none;opacity:.85}
.rail-foot{margin-top:auto;padding:12px 8px 0;border-top:1px solid var(--rail-2);font-size:12px;color:var(--rail-ink-2)}
.main{display:flex;flex-direction:column;min-width:0;height:100%}
.top{display:flex;align-items:center;gap:12px;padding:10px 20px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.top h1{font-size:1.2rem;margin-right:auto}
.view{flex:1;overflow-y:auto;padding:20px;min-height:0}
.view.flush{padding:0;overflow:hidden;display:flex;flex-direction:column}
.view.flush>.reg{flex:1;min-height:0;height:auto}

/* controls */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);padding:8px 13px;border-radius:var(--r-sm);cursor:pointer;font-weight:500;white-space:nowrap;line-height:1.2}
.btn:hover{border-color:var(--ink-3)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn.primary:hover{filter:brightness(1.05)}
.btn.dark{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn.ghost{border-color:transparent;background:none}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:5px 9px;font-size:13px}
.btn.lg{padding:13px 18px;font-size:16px}
.btn.block{width:100%}
.iconbtn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--surface);cursor:pointer;position:relative}
.iconbtn:hover{border-color:var(--ink-3)}
.dot{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--bad);color:#fff;font-size:11px;font-weight:600;display:grid;place-items:center}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field>span{font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.input,select.input,textarea.input{border:1px solid var(--line-2);background:var(--surface);border-radius:var(--r-sm);padding:8px 10px;min-width:0;width:100%}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea.input{resize:vertical;min-height:70px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.check{display:flex;align-items:center;gap:8px;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--accent)}
.seg{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--r-sm);overflow:hidden;background:var(--surface)}
.seg button{border:0;background:none;padding:7px 12px;cursor:pointer;font-weight:500;color:var(--ink-2)}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}
.chip{border:1px solid var(--line-2);background:var(--surface);border-radius:999px;padding:6px 12px;cursor:pointer;white-space:nowrap;font-weight:500;color:var(--ink-2)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{background:none;border:0;padding:9px 14px;cursor:pointer;font-weight:600;color:var(--ink-3);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-color:var(--accent)}

/* surfaces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;min-width:0}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .grow{flex:1 1 200px;min-width:0}
.stack{display:flex;flex-direction:column;gap:16px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.kpi .l{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3);font-weight:600}
.kpi .v{font-family:var(--f-mono);font-size:1.45rem;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .d{font-size:12px;margin-top:2px}
.up{color:var(--good)}.down{color:var(--bad)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface-2);white-space:nowrap}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl td.r,.tbl th.r{text-align:right}
.tbl tbody tr.click{cursor:pointer}
.tbl tbody tr.click:hover td{background:var(--surface-2)}
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.good{background:var(--good-soft);color:var(--good)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
.pill.info{background:var(--info-soft);color:var(--info)}
.pill.neutral{background:var(--surface-2);color:var(--ink-2)}
.empty{text-align:center;padding:36px 16px;color:var(--ink-3)}
.empty h3{color:var(--ink);margin-bottom:6px}
.bar{height:8px;border-radius:4px;background:var(--surface-2);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--chart);border-radius:4px}

/* register */
.reg{display:grid;grid-template-columns:minmax(0,1fr) 380px;grid-template-rows:minmax(0,1fr);height:100%}
.reg-menu{display:flex;flex-direction:column;min-width:0;min-height:0;padding:16px 20px;gap:12px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;overflow-y:auto;align-content:start;padding-bottom:16px;min-height:0;flex:1}
.tile{position:relative;text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:12px;cursor:pointer;display:flex;flex-direction:column;gap:6px;min-height:96px;transition:transform .08s,border-color .1s}
.tile:hover{border-color:var(--accent-line)}
.tile:active{transform:scale(.98)}
.tile .n{font-weight:600;line-height:1.25}
.tile .p{font-family:var(--f-mono);font-weight:600;margin-top:auto}
.tile .c{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.tile .stripe{position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0}
.tile.out{opacity:.62}
.tag86{position:absolute;top:8px;right:8px;font-family:var(--f-mono);font-size:11px;font-weight:600;padding:1px 6px;border-radius:4px;background:var(--bad);color:#fff}
.taglow{position:absolute;top:8px;right:8px;font-size:11px;font-weight:600;padding:1px 6px;border-radius:4px;background:var(--warn-soft);color:var(--warn)}
.ticket{border-left:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;min-height:0}
.ticket-h{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.lines{flex:1;overflow-y:auto;padding:4px 0;min-height:80px}
.line{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:10px 16px;border-bottom:1px dashed var(--line)}
.line .nm{font-weight:600}
.line .nt{font-size:12px;color:var(--ink-3)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:7px;overflow:hidden}
.qty button{width:28px;height:28px;border:0;background:var(--surface-2);cursor:pointer;font-weight:700}
.qty span{min-width:28px;text-align:center;font-family:var(--f-mono);font-weight:600}
.totals{padding:12px 16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:5px;font-variant-numeric:tabular-nums}
.totals .t{display:flex;justify-content:space-between}
.totals .t.big{font-size:1.25rem;font-weight:700;font-family:var(--f-display);padding-top:6px;border-top:1px solid var(--line);margin-top:4px}
.totals .t.big b{font-family:var(--f-mono)}
.ticket-a{padding:12px 16px 16px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ticket-a .charge{grid-column:1/-1}
.ticket-toggle{display:none}

/* modal */
#modal:empty{display:none}
.scrim{position:fixed;inset:0;background:rgba(8,14,20,.5);display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px 16px;z-index:50;overflow-y:auto}
.dialog{background:var(--surface);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:560px;display:flex;flex-direction:column;max-height:88vh}
.dialog.wide{max-width:860px}
.dialog-h{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);gap:10px}
.dialog-b{padding:18px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}
.dialog-f{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
#toasts{position:fixed;bottom:calc(16px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:80;width:min(420px,calc(100% - 32px))}
.toast{background:var(--ink);color:var(--bg);padding:11px 14px;border-radius:9px;box-shadow:var(--shadow);font-weight:500;display:flex;gap:8px;align-items:center}
.toast.bad{background:var(--bad);color:#fff}
.toast.good::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--good)}

/* receipt */
.receipt{font-family:var(--f-mono);font-size:12.5px;background:var(--surface-2);border-radius:6px;padding:18px 16px;line-height:1.55;max-width:340px;margin:0 auto;width:100%;
  -webkit-mask:linear-gradient(135deg,transparent 6px,#000 0) top left/12px 51% repeat-x,linear-gradient(-135deg,transparent 6px,#000 0) top right/12px 51% repeat-x;}
.receipt .c{text-align:center}
.receipt .rr{display:flex;justify-content:space-between;gap:10px}
.receipt hr{border:0;border-top:1px dashed var(--ink-3);margin:8px 0}

/* lock */
.lock{min-height:100%;display:grid;place-items:center;padding:24px 16px;background:var(--rail)}
.lock-card{background:var(--surface);border-radius:16px;padding:24px;width:min(440px,100%);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px}
.who{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.who button{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:12px;cursor:pointer;text-align:left}
.who button[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.who b{display:block}.who span{font-size:12px;color:var(--ink-3)}
.pin-dots{display:flex;gap:12px;justify-content:center}
.pin-dots i{width:14px;height:14px;border-radius:50%;border:2px solid var(--ink-3)}
.pin-dots i.on{background:var(--ink);border-color:var(--ink)}
.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pad button{padding:14px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);font-family:var(--f-mono);font-size:1.2rem;font-weight:600;cursor:pointer}
.pad button:active{background:var(--accent-soft)}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--warn);display:inline-grid;place-items:center;font-weight:700;font-size:12px;flex:none}

/* charts */
.chart{width:100%;height:auto;display:block}
.chart text{fill:var(--ink-3);font-family:var(--f-mono);font-size:10px}
.chart .gl{stroke:var(--line);stroke-width:1}
.hbar{display:grid;grid-template-columns:minmax(0,1fr) 2fr auto;gap:10px;align-items:center;font-size:13px;padding:5px 0}
.hbar .bar{height:10px}

/* ai */
.insight{border:1px solid var(--line);border-radius:var(--r);padding:14px;background:var(--surface);display:flex;flex-direction:column;gap:6px}
.insight .lbl{display:flex;gap:6px;flex-wrap:wrap}
.insight .act{font-size:13px;border-top:1px dashed var(--line);padding-top:8px;margin-top:2px;color:var(--ink-2)}
.chat{display:flex;flex-direction:column;gap:10px;max-height:460px;overflow-y:auto;padding:4px}
.msg{padding:10px 13px;border-radius:12px;max-width:88%;white-space:pre-wrap;line-height:1.5}
.msg.me{align-self:flex-end;background:var(--ink);color:var(--bg)}
.msg.ai{align-self:flex-start;background:var(--surface-2)}
.ai-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--warn)}

@media print{body.printing *{visibility:hidden!important}body.printing .receipt,body.printing .receipt *{visibility:visible!important}body.printing .receipt{position:fixed;left:0;top:0;max-width:80mm;background:#fff;color:#000;-webkit-mask:none;mask:none}html,body{overflow:visible!important}}
@media (max-width:1100px){.reg{grid-template-columns:minmax(0,1fr) 330px}}
@media (max-width:860px){
  .shell{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}
  .rail{flex-direction:row;align-items:center;padding:8px 12px;gap:8px;overflow-x:auto;overflow-y:hidden}
  .brand{padding:0 6px 0 0}.brand span,.brand b{display:none}
  .top .sr>span{display:none}
  .nav{flex-direction:row}
  .nav button{padding:8px 10px;white-space:nowrap}
  .nav button[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--accent)}
  .nav button .lbl{font-size:13px}
  .rail-foot{display:none}
  .top{padding:10px 16px}
  .view{padding:16px}
  .reg{grid-template-columns:1fr;position:relative}
  .view.flush{overflow-y:auto;display:block}
  .reg-menu{padding:12px 16px 84px}
  .ticket{position:fixed;inset:auto 0 0 0;height:min(78vh,640px);border-left:0;border-top:1px solid var(--line);border-radius:16px 16px 0 0;box-shadow:var(--shadow);transform:translateY(100%);transition:transform .2s;z-index:30;padding-bottom:env(safe-area-inset-bottom,0px)}
  .ticket.open{transform:none}
  .ticket-toggle{display:flex;position:fixed;left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:25}
  .grid3{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){.grid2,.grid3{grid-template-columns:1fr}.tiles{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.dialog-b{padding:16px}}