:root{color-scheme:light;--bg:#f7f8fa;--card:#ffffff;--ink:#1f2933;--mut:#6b7686;--line:#e6e9ee;--brand:#0B0F19;--acc:#FFD23F;--acc-d:#F2BE16;--pri:#0B0F19;--pri-d:#000;--pri-l:#FFF6D1;--danger:#c0392b;--warn:#b7791f;--ok:#2f855a;--radius:12px;--shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06)}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,210,63,.5)}
::selection{background:var(--acc);color:var(--brand)}
button{cursor:pointer;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:8px 14px}
button:hover{border-color:var(--brand)}
button.pri{background:var(--acc);color:var(--brand);border-color:#e0b800;font-weight:700}
button.pri:hover{background:var(--acc-d);border-color:#c99f00}
button.danger{color:var(--danger);border-color:var(--danger)}
button.sm{padding:4px 9px;font-size:13px}
button:disabled{opacity:.5;cursor:not-allowed}
.hide{display:none!important}
.muted{color:var(--mut)}
.right{text-align:right}
.row{display:flex;gap:10px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grow{flex:1}
.mt{margin-top:12px}
h2{margin:0 0 12px;font-size:20px}
h3{margin:0 0 8px;font-size:16px}

/* layout */
.shell{display:flex;flex-direction:column;height:100vh}
.topbar{display:flex;align-items:center;gap:6px;padding:0 18px;background:var(--brand);border-bottom:2px solid var(--acc);height:56px;flex:none}
.brand{font-weight:700;color:#fff;margin-right:10px;white-space:nowrap;display:flex;align-items:center;gap:8px}
.brand .mark{width:30px;height:30px;border-radius:8px;display:block}
.brandlogo{background:#fff;border-radius:8px;padding:3px 8px;display:inline-flex;align-items:center}
.brandlogo .logo{height:26px;margin:0}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#3a4358 transparent}
.nav::-webkit-scrollbar{height:5px}.nav::-webkit-scrollbar-thumb{background:#3a4358;border-radius:4px}.nav::-webkit-scrollbar-track{background:transparent}
.nav button{border:none;background:none;padding:8px 12px;border-radius:8px;color:#b4bccd;white-space:nowrap}
.nav button:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav button.on{background:rgba(255,210,63,.16);color:var(--acc);font-weight:600}
.topbar .who{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;white-space:nowrap;color:#e6eaf5}
.topbar .who .muted{color:#8f9ab0}
.topbar .who button{background:transparent;color:#e6eaf5;border-color:rgba(255,255,255,.25)}
.topbar .who button:hover{border-color:var(--acc);color:var(--acc)}
.main{flex:1;overflow:auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:14px}
.stat .v{font-size:24px;font-weight:700}
.stat .l{color:var(--mut);font-size:13px}

/* tables */
table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);background:#fafbfc;position:sticky;top:0;font-weight:600}
tbody tr:hover td{background:#fafcfc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.low td{background:rgba(183,121,31,.1)}
tr.off td{opacity:.5}
.tbl{max-height:calc(100vh - 230px);overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.badge{display:inline-block;padding:1px 8px;border-radius:99px;font-size:12px;background:var(--pri-l);color:var(--pri)}
.badge.red{background:rgba(192,57,43,.15);color:var(--danger)}
.badge.warn{background:rgba(183,121,31,.15);color:var(--warn)}

/* login */
.login{max-width:340px;margin:12vh auto;padding:0 16px}
.login .card{padding:24px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--mut);margin-bottom:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.err{color:var(--danger);font-size:13px;min-height:18px}

/* POS */
.pos{display:grid;grid-template-columns:1fr 340px;gap:14px;height:100%}
.pos-left{display:flex;flex-direction:column;min-height:0}
.searchwrap{position:relative}
.searchwrap input{font-size:18px;padding:12px 14px}
.results{position:absolute;left:0;right:0;top:100%;z-index:20;background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.18);max-height:340px;overflow:auto}
.results div{padding:9px 12px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line)}
.results div.sel,.results div:hover{background:var(--pri-l)}
.cart{flex:1;min-height:0;overflow:auto;margin-top:12px}
.cart input{width:78px;text-align:right;padding:5px 7px}
.cart .qty{display:flex;align-items:center;gap:4px}
.cart .qty input{width:64px}
.cart .qty button{padding:2px 8px}
.empty{padding:50px 20px;text-align:center;color:var(--mut)}
.pos-right{display:flex;flex-direction:column;gap:12px}
.totals .line{display:flex;justify-content:space-between;padding:3px 0}
.totals .big{font-size:34px;font-weight:800;color:var(--pri);padding-top:6px}
.paybtn{font-size:20px;padding:16px;font-weight:700;width:100%}
.keys{font-size:12px;color:var(--mut);line-height:1.8}
kbd{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:0 5px;font-size:11px}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(31,41,51,.4);display:flex;align-items:center;justify-content:center;z-index:100;padding:14px}
.modal{background:var(--card);border-radius:12px;padding:20px;width:100%;max-width:480px;max-height:92vh;overflow:auto;box-shadow:0 20px 60px rgba(15,23,42,.25)}
.modal.wide{max-width:760px}
.modal h3{font-size:18px;margin-bottom:14px}
.modal .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.paybig{font-size:30px;font-weight:800;color:var(--pri);text-align:center;margin:4px 0 12px}
.change{font-size:24px;font-weight:700;text-align:center;padding:10px;border-radius:8px;background:var(--pri-l);color:var(--pri);margin-top:10px}
.change.neg{background:rgba(192,57,43,.15);color:var(--danger)}
.tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.tabs button.on{background:var(--brand);color:var(--acc);border-color:var(--brand)}

#toasts{position:fixed;right:14px;bottom:14px;display:flex;flex-direction:column;gap:8px;z-index:200}
.toast{background:#1f2933;color:#fff;padding:10px 16px;border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.3);max-width:360px}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--ok)}

@media (max-width:900px){.pos{grid-template-columns:1fr;height:auto}.tbl{max-height:none}.grid2{grid-template-columns:1fr}.main{padding:10px}}

.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--line);border-radius:99px;background:var(--card);font-size:13px}
.badge.ok{background:rgba(47,133,90,.12);color:var(--ok)}
.promo{font-size:12px;color:var(--ok)}
.bar{height:14px;border-radius:4px;background:var(--acc);box-shadow:inset 0 0 0 1px rgba(0,0,0,.1)}
.sep{height:1px;background:var(--line);margin:12px 0}

.logo{height:32px;max-width:130px;object-fit:contain;vertical-align:middle;margin-right:2px}
.lock{position:fixed;inset:0;background:var(--bg);z-index:500;display:flex;align-items:center;justify-content:center;padding:16px}

.offbadge{cursor:pointer;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600;background:#3a4256;color:#fff}
.offbadge.off{background:#c0392b}.offbadge.err{background:#d98200}.offbadge.sync{background:#2b7de9}
.demobar{background:#fff7e0;color:#8a5a00;border-bottom:1px solid #f0d9a0;text-align:center;padding:5px 10px;font-size:13px;flex:none}
.fbbtn{position:fixed;left:14px;bottom:14px;z-index:60;background:var(--acc);color:var(--brand);border:0;border-radius:99px;padding:10px 16px;box-shadow:0 4px 14px rgba(11,15,25,.35);cursor:pointer;font-weight:700}
.fbbtn:hover{background:var(--acc-d)}
.login .mark{display:block;margin:0 auto 6px;width:76px;height:76px;border-radius:18px}
.poweredby{text-align:center;font-size:12px;color:var(--mut);margin-top:14px}
.poweredby a{color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-color:var(--acc);text-decoration-thickness:2px;text-underline-offset:2px}