:root{
  --accent:#27B9DF; --primary:#0B7898; --ink:#17212B; --muted:#5C6975;
  --border:#D9E1E6; --surface:#F7FAFC; --ok:#1F8A5B; --warn:#B7791F; --danger:#C0392B;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Be Vietnam Pro",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--surface);font-size:14px}
.muted{color:var(--muted)}
.num{text-align:right}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:10px 16px;background:#fff;border-bottom:1px solid var(--border)}
.brand{font-weight:700;font-size:17px}
.sync{display:flex;align-items:center;gap:10px}
.btn{border:1px solid var(--border);background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;
  font-size:14px;cursor:pointer;font-weight:600}
.btn:hover{background:var(--surface)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{filter:brightness(1.05)}
.btn:disabled{opacity:.5;cursor:default}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;padding:14px 16px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px}
.kpi .n{font-size:22px;font-weight:700}
.kpi .l{font-size:12px;color:var(--muted);margin-top:2px}
.kpi.alert .n{color:var(--danger)}
.kpi.warn .n{color:var(--warn)}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:0 16px 12px}
.search{flex:1;min-width:220px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--border);background:#fff;color:var(--ink);padding:6px 12px;border-radius:20px;
  cursor:pointer;font-size:13px;white-space:nowrap}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}

main{padding:0 16px 40px}
.table-wrap{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:auto}
table{border-collapse:collapse;width:100%;min-width:820px}
thead th{position:sticky;top:0;background:var(--surface);text-align:left;font-size:12px;color:var(--muted);
  padding:10px;border-bottom:1px solid var(--border);white-space:nowrap}
thead th.num{text-align:right}
tbody td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:hover{background:#fafdff}
.thumb{width:40px;height:40px;object-fit:cover;border-radius:6px;background:var(--surface);border:1px solid var(--border)}
.pname{font-weight:600;line-height:1.25;max-width:280px}
.psub{font-size:12px;color:var(--muted)}
.sku{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.cat{font-size:12px;color:var(--muted);max-width:130px;display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.cell-edit{display:inline-flex;align-items:center;gap:4px;justify-content:flex-end}
.cell-edit input{width:88px;text-align:right;padding:5px 6px;border:1px solid var(--border);border-radius:6px;font-size:13px}
.cell-edit input.miss{border-color:var(--warn);background:#fffdf5}
.cost-src{font-size:10px;padding:1px 5px;border-radius:4px;background:var(--surface);color:var(--muted);border:1px solid var(--border)}
.cost-src.MISSING{color:var(--warn);border-color:var(--warn)}
.cost-src.MANUAL_REFERENCE{color:var(--primary)}
.stock-neg{color:var(--danger);font-weight:700}

.tags{display:flex;gap:4px;flex-wrap:wrap}
.tag{font-size:11px;padding:2px 7px;border-radius:20px;font-weight:600}
.tag.missing_cost{background:#fff3f2;color:var(--danger)}
.tag.missing_price{background:#fff3f2;color:var(--danger)}
.tag.missing_weight{background:#fdf6e7;color:var(--warn)}
.tag.negative_stock{background:#fff3f2;color:var(--danger)}
.tag.ok{background:#eaf7f0;color:var(--ok)}

.empty{padding:40px;text-align:center;color:var(--muted)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:10px 18px;border-radius:8px;font-size:14px;z-index:50;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.toast.ok{background:var(--ok)} .toast.err{background:var(--danger)}

@media(max-width:640px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .pname{max-width:160px}
}