:root{--bg:#f4f6f8;--card:#fff;--ink:#1b2430;--muted:#6b7684;--line:#dde2e8;--pri:#1f6feb;--ok:#1a7f37;--bad:#cf222e;--warn:#9a6700}*{box-sizing:border-box}body{margin:0;font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}header{display:flex;gap:8px;align-items:center;padding:8px 12px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}nav{display:flex;gap:4px;flex-wrap:wrap}main{padding:12px;max-width:1500px;margin:0 auto}button{font:inherit;padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;min-height:44px}button:hover{background:#f0f3f6}button:disabled{opacity:.5;cursor:not-allowed}button.active,button.primary{background:var(--pri);color:#fff;border-color:var(--pri)}button.danger{color:var(--bad)}input,select,textarea{font:inherit;padding:10px;border:1px solid var(--line);border-radius:8px;min-height:44px;background:#fff;color:inherit;max-width:100%}input[type=checkbox]{min-height:0;width:20px;height:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}.grow{flex:1}.muted{color:var(--muted)}.err{color:var(--bad)}.ok{color:var(--ok)}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.col{display:flex;flex-direction:column;gap:8px}.badge{padding:4px 10px;border-radius:99px;background:#eef;font-size:13px}.badge.warn{background:#fff4d6;color:var(--warn)}.login{max-width:340px;margin:15vh auto;display:flex;flex-direction:column;gap:10px}.center{display:grid;place-items:center;height:60vh}table{width:100%;border-collapse:collapse;background:var(--card)}th,td{text-align:start;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:13px;color:var(--muted);font-weight:600}td.num,th.num{text-align:end;font-variant-numeric:tabular-nums}.pos{display:grid;grid-template-columns:1fr 420px;gap:12px;height:calc(100vh - 90px)}.pos .left{display:flex;flex-direction:column;gap:8px;min-height:0}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;overflow:auto;align-content:start}.tile{text-align:start;display:flex;flex-direction:column;gap:2px;min-height:76px}.tile b{font-size:15px}.tile.out{opacity:.55}.cart{display:flex;flex-direction:column;min-height:0}.cart .lines{overflow:auto;flex:1}.line{display:grid;grid-template-columns:1fr auto;gap:4px 8px;padding:8px 0;border-bottom:1px solid var(--line)}.qty{display:flex;align-items:center;gap:4px}.qty button{padding:4px 12px;min-height:36px}.totals{font-size:20px;font-weight:700;display:flex;justify-content:space-between;padding-top:8px}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0007;display:grid;place-items:center;z-index:20;padding:12px}.modal{background:var(--card);border-radius:14px;padding:18px;width:min(560px,100%);max-height:92vh;overflow:auto;display:flex;flex-direction:column;gap:10px}.modal.wide{width:min(1000px,100%)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.cats{display:flex;gap:6px;overflow:auto}.cats button{white-space:nowrap;min-height:38px;padding:6px 12px}@media (max-width:900px){.pos{grid-template-columns:1fr;height:auto}.grid2,.grid3{grid-template-columns:1fr}}.receipt{width:300px;font:13px/1.35 monospace;color:#000}.receipt hr{border:0;border-top:1px dashed #000}.receipt .r{display:flex;justify-content:space-between;gap:8px}@media print{body *{visibility:hidden}#receipt,#receipt *{visibility:visible}#receipt{position:absolute;inset:0 auto auto 0}@page{margin:4mm;size:80mm auto}}.banner{padding:8px 14px;display:flex;gap:12px;align-items:center;justify-content:center;font-weight:600}.banner.info{background:#e7f0ff;color:#0b3d91}.banner.bad{background:#ffe3e3;color:#8a1c1c}.banner button{min-height:32px;padding:2px 12px}.locked{max-width:520px;margin:8vh auto;text-align:center}.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.plan{border:2px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:4px}.plan.current{border-color:var(--pri)}.plan .price{font-size:24px;font-weight:700}.modal.wide{max-height:94vh}.fsec{border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px}.fsec h4{margin:0;font-size:16px;display:flex;align-items:center;gap:8px}.step{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--pri);color:#fff;font-size:13px}.frow{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.hint{color:var(--muted);font-size:13px}.vtable{display:flex;flex-direction:column;gap:6px}.vrow{display:grid;grid-template-columns:1fr 1fr 1.3fr 1fr 44px;gap:6px;align-items:center}.vrow input{min-width:0;width:100%}.vhead{font-size:12px;color:var(--muted);font-weight:600}.sticky-foot{position:sticky;bottom:-18px;margin:4px -18px -18px;padding:12px 18px;background:var(--card);border-top:1px solid var(--line);z-index:2}@media (max-width:700px){.vrow{grid-template-columns:1fr 1fr 44px}.vrow>:nth-child(3),.vrow>:nth-child(4){grid-column:span 1}.vhead{display:none}}