:root{--bg:#f3f5f7;--ink:#111827;--muted:#64748b;--line:#d8dee6;--panel:#fff;--accent:#0f766e;--accent2:#b91c1c;--soft:#eef6f4}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}
.guest{min-height:100vh;display:grid;place-items:center;background:#eef2f7}
.loginBox{width:min(410px,calc(100% - 28px));background:#fff;border:1px solid var(--line);padding:26px;border-radius:8px;box-shadow:0 16px 42px rgba(15,23,42,.12)}
.loginMark,.brand{font-weight:900;letter-spacing:.08em}
.loginBox h1,.pageHead h1{margin:10px 0 6px;font-size:28px}
.side{position:fixed;inset:0 auto 0 0;width:245px;background:#15191f;color:#fff;display:flex;flex-direction:column;padding:18px}
.side nav{display:grid;gap:4px;margin-top:24px}
.side a{color:#dbe4ef;text-decoration:none;padding:10px 11px;border-radius:6px;font-weight:750}
.side a:hover,.side a.on{background:#242b34;color:#fff}
.session{margin-top:auto;display:grid;gap:5px;color:#b9c3d0;font-size:13px}
.session strong{color:#fff}
.main{margin-left:245px;padding:24px;max-width:1500px}
.pageHead{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.pageHead p{margin:0;color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-bottom:16px}
.metrics article,.panel,.product{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}
.metrics span{display:block;color:var(--muted);font-size:13px}.metrics strong{font-size:25px}
.summaryGrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.summaryCard{border:1px solid var(--line);border-radius:9px;background:#f8fafc;padding:12px;display:grid;gap:4px}
.summaryCard span{color:#475569;font-size:12px;font-weight:900;text-transform:uppercase}
.summaryCard strong{font-size:21px}
.summaryCard small{color:var(--muted)}
.summaryCard.empty{grid-column:1/-1}
.cashState{border-radius:10px;padding:14px;display:grid;gap:4px}
.cashState span{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.05em}
.cashState strong{font-size:20px}
.cashState small{color:#dbeafe}
.cashState.open{background:#0f766e;color:#ecfeff}
.cashState.closed{background:#334155;color:#f8fafc}
.integrationGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.integrationCard{border:1px solid var(--line);border-radius:9px;background:#f8fafc;padding:14px}
.integrationHead{display:flex;align-items:center;justify-content:space-between;gap:10px}
.integrationCard ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:7px}
.integrationCard li{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#475569}
.okText{color:#047857}.badText{color:#b91c1c}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.wideLeft{grid-template-columns:1.6fr 1fr}
.panel h2{margin:0 0 12px;font-size:18px}
.formStack{display:grid;gap:10px}
input,select,textarea{width:100%;border:1px solid #cfd6df;border-radius:6px;min-height:40px;padding:9px 10px;font:inherit;background:#fff}
textarea{min-height:78px;resize:vertical}
button,.primary{border:0;border-radius:6px;background:var(--accent);color:#fff;min-height:40px;padding:0 13px;font-weight:850;cursor:pointer}
button:hover{filter:brightness(.95)}
.ghost{background:#e5eaf0;color:#172033}
.danger{background:#fee2e2;color:#991b1b}
.alert.err{background:#fee2e2;color:#7f1d1d;border:1px solid #fecaca;padding:10px;border-radius:6px;margin-bottom:12px}
.notice{background:#ecfdf5;border:1px solid #a7f3d0;color:#064e3b;margin-bottom:14px}
.muted{color:var(--muted)}
.mt{margin-top:12px}
.pill{display:inline-block;margin-top:5px;background:var(--soft);color:var(--accent);border-radius:999px;padding:3px 8px;font-size:11px;font-weight:850}
.pill.warn{background:#fff7ed;color:#c2410c}
.compactText{max-width:360px;color:#334155;font-size:13px}
.tableWrap{overflow:auto;border:1px solid var(--line);border-radius:8px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px;font-size:14px;vertical-align:middle}
th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase}
.inline{display:flex;gap:8px;align-items:center}.inline select{min-width:150px}
.filters{display:flex;gap:8px;margin-bottom:10px}.filters input{max-width:360px}
.miniSearch{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:8px}
.hint{margin:0 0 10px;color:var(--muted);font-size:13px}
.productGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.product{display:grid;gap:5px}.product span{color:var(--muted);font-size:13px}.product b{color:var(--accent)}
.lineItem{display:grid;grid-template-columns:1fr 88px;gap:8px}
.productPreview{grid-column:1/-1;margin:-2px 0 2px;border-radius:6px;padding:7px 9px;font-size:13px}
.productPreviewOk{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.productPreviewError{background:#fff1f2;color:#9f1239;border:1px solid #fecdd3}
.cartTotal{display:flex;align-items:center;justify-content:space-between;background:#10231f;color:#d9fff7;border-radius:10px;padding:13px 14px}
.cartTotal span{font-size:13px;color:#a7f3d0;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.cartTotal strong{font-size:24px}
.quickBox{border:1px dashed var(--line);border-radius:8px;padding:10px;background:#fbfcfd}
.quickBox summary{cursor:pointer;font-weight:850;color:#334155}
.quickBox small{display:block;margin-top:8px;color:var(--muted)}
.quickGrid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.scanRow{display:grid;grid-template-columns:1fr auto;gap:8px}
.camera{width:100%;border-radius:8px;margin-top:12px;background:#111}
.mobilePanel{max-width:560px}
@media(max-width:900px){.side{position:static;width:auto}.main{margin:0;padding:14px}.metrics,.summaryGrid,.integrationGrid,.grid2,.wideLeft,.productGrid,.quickGrid,.miniSearch{grid-template-columns:1fr}.side nav{grid-template-columns:repeat(2,1fr)}}