:root{
  --canvas:#EDEEEA; --card:#FFFFFF; --ink:#15191E; --ink-soft:#5A6169;
  --line:#DFE1DC; --accent:#0E9F6E; --accent-press:#0B8259;
  --danger:#D64545; --receipt:#12161A; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--canvas);color:var(--ink);-webkit-font-smoothing:antialiased;overflow:hidden}
.app{display:grid;grid-template-columns:1fr 400px;height:100vh;height:100dvh}
.num{font-variant-numeric:tabular-nums;font-family:'Space Grotesk',sans-serif}

.catalog{display:flex;flex-direction:column;padding:20px 22px;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.brand{font-family:'Space Grotesk';font-weight:700;font-size:20px;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(14,159,110,.18)}
.status{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:var(--ink-soft);background:var(--card);border:1px solid var(--line);padding:7px 12px;border-radius:999px}
.status .led{width:8px;height:8px;border-radius:50%;background:#c2c6bf;transition:.2s}
.status.online .led{background:var(--accent);box-shadow:0 0 0 3px rgba(14,159,110,.2)}
.status.offline .led{background:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.18)}
.status.online, .status.offline{color:var(--ink)}

.search{position:relative;margin-bottom:14px}
.search input{width:100%;padding:13px 16px 13px 42px;border:1px solid var(--line);border-radius:11px;background:var(--card);font-family:inherit;font-size:15px;color:var(--ink);outline:none;transition:.15s}
.search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,159,110,.12)}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-soft)}

.cats{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.cat{padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink-soft);font-size:13.5px;font-weight:500;cursor:pointer;transition:.12s;white-space:nowrap}
.cat:hover{border-color:#c9ccc5;color:var(--ink)}
.cat.on{background:var(--ink);color:#fff;border-color:var(--ink)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;overflow-y:auto;padding:2px 4px 40px 0;align-content:start}
.grid-msg{grid-column:1/-1;color:var(--ink-soft);font-size:14px;padding:20px 4px}
.grid::-webkit-scrollbar{width:8px}.grid::-webkit-scrollbar-thumb{background:#d2d5ce;border-radius:8px}
.prod{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;cursor:pointer;display:flex;flex-direction:column;gap:9px;transition:transform .1s,box-shadow .15s,border-color .15s;text-align:left;user-select:none}
.prod:hover{border-color:#cfd2cb;box-shadow:0 6px 16px rgba(20,25,30,.07)}
.prod:active{transform:scale(.975)}
.prod .emoji{font-size:26px;line-height:1}
.prod .pname{font-size:14px;font-weight:600;line-height:1.25}
.prod .pmeta{display:flex;justify-content:space-between;align-items:flex-end;margin-top:auto}
.prod .price{font-size:16px;font-weight:600}
.prod .stock{font-size:11px;color:var(--ink-soft)}
.prod.out{opacity:.45;pointer-events:none}

.order{background:var(--receipt);color:#E9ECEA;display:flex;flex-direction:column;position:relative}
.order::before{content:"";position:absolute;top:-1px;left:0;right:0;height:9px;background:radial-gradient(circle at 6px 9px, var(--canvas) 6px, transparent 6.5px) repeat-x;background-size:12px 9px}
.order-head{padding:24px 22px 14px;display:flex;align-items:center;justify-content:space-between}
.order-head h2{font-family:'Space Grotesk';font-size:16px;font-weight:600;letter-spacing:.02em}
.order-head .tno{font-size:12px;color:#8a938d}
.btn-clear{background:none;border:none;color:#8a938d;font-size:12.5px;cursor:pointer;font-family:inherit}
.btn-clear:hover{color:#E9ECEA}

.lines{flex:1;overflow-y:auto;padding:6px 22px}
.lines::-webkit-scrollbar{width:6px}.lines::-webkit-scrollbar-thumb{background:#333b40;border-radius:8px}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#5c655f;text-align:center;gap:12px;padding:30px}
.empty p{font-size:14px;line-height:1.5}

.line{display:grid;grid-template-columns:1fr auto;gap:4px 10px;padding:13px 0;border-bottom:1px dashed #2a3136}
.line .lname{font-size:14px;font-weight:500}
.line .lprice{font-size:14px;font-weight:600;text-align:right}
.line .lunit{font-size:11.5px;color:#8a938d}
.qty{display:flex;align-items:center;gap:10px;margin-top:2px}
.qty button{width:26px;height:26px;border-radius:7px;border:1px solid #333b40;background:#1b2126;color:#E9ECEA;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:.12s}
.qty button:hover{background:#252c32;border-color:#404850}
.qty .qn{font-size:13.5px;min-width:20px;text-align:center;font-weight:600}
.qty .rm{margin-left:auto;color:#7a8580;font-size:11.5px;background:none;border:none;cursor:pointer;width:auto;padding:0}
.qty .rm:hover{color:var(--danger)}

.totals{padding:16px 22px;border-top:1px solid #262d32}
.trow{display:flex;justify-content:space-between;font-size:13.5px;color:#a9b1ac;margin-bottom:9px}
.trow.grand{color:#fff;font-size:20px;font-weight:700;font-family:'Space Grotesk';margin-top:6px;margin-bottom:0}

.pay{padding:14px 22px 22px}
.paytabs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:14px}
.paytab{padding:11px 0;border-radius:10px;border:1px solid #333b40;background:#1b2126;color:#c3cac5;font-size:13px;font-weight:500;cursor:pointer;text-align:center;transition:.12s;font-family:inherit}
.paytab:hover{border-color:#485058}
.paytab.on{background:#fff;color:var(--ink);border-color:#fff}
.charge{width:100%;padding:17px;border:none;border-radius:12px;background:var(--accent);color:#fff;font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;transition:.14s;display:flex;align-items:center;justify-content:center;gap:9px}
.charge:hover{background:var(--accent-press)}
.charge:active{transform:scale(.99)}
.charge:disabled{background:#2a3136;color:#5c655f;cursor:not-allowed}
.charge .amt{font-family:'Space Grotesk'}

.scrim{position:fixed;inset:0;background:rgba(15,18,22,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;backdrop-filter:blur(3px)}
.scrim.show{display:flex}
.modal{background:var(--card);border-radius:18px;max-width:420px;width:100%;padding:26px;box-shadow:0 30px 60px rgba(0,0,0,.3)}
.rcpt-done{text-align:center;padding:8px 0 4px}
.rcpt-done .check{width:56px;height:56px;border-radius:50%;background:rgba(14,159,110,.14);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.rcpt-done h3{font-family:'Space Grotesk';font-size:20px;margin-bottom:6px}
.rcpt-done .sub{font-size:13px;color:var(--ink-soft)}
.synctag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;padding:5px 11px;border-radius:999px;margin-top:12px}
.synctag.ok{background:rgba(14,159,110,.12);color:var(--accent-press)}
.synctag.pending{background:rgba(232,163,61,.14);color:#a8721a}
.mbtn{width:100%;margin-top:18px;padding:13px;border-radius:10px;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;background:var(--ink);color:#fff;border:none}

@media(max-width:860px){
  .app{grid-template-columns:1fr;grid-template-rows:1fr auto}
  .order{max-height:48vh}
  .catalog{padding:16px}
}