:root{--bg:#f3f6fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#dbe3ef;--primary:#2563eb;--primary2:#1d4ed8;--green:#16a34a;--red:#dc2626;--amber:#d97706;--nav:#0f172a;--shadow:0 12px 35px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.topbar{min-height:68px;background:var(--nav);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px clamp(16px,3vw,34px);position:sticky;top:0;z-index:20}.brand{display:flex;gap:11px;align-items:center}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:#2563eb;font-weight:800}.brand strong,.brand small{display:block}.brand small{color:#94a3b8;font-size:12px}.top-actions{display:flex;gap:9px;align-items:center}.user-chip{font-size:13px;color:#cbd5e1}.admin-nav{display:flex;gap:6px;overflow:auto;background:#fff;border-bottom:1px solid 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strong{font-size:31px;display:block;margin-top:4px}.status-line{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.status-dot{width:10px;height:10px;border-radius:50%;background:#16a34a}.status-offline .status-dot{background:#d97706}.scan-result{border:1px dashed #94a3b8;border-radius:12px;padding:13px;margin-top:12px;background:#f8fafc}.qty-row{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:12px}.current-list{max-height:520px;overflow:auto}.current-item{display:grid;grid-template-columns:1fr auto;gap:8px;padding:11px 0;border-bottom:1px solid #e5e7eb}.current-item strong{display:block}.current-item .qty{font-size:21px;font-weight:800}.sync-banner{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;background:#eff6ff;margin-bottom:12px}.login-wrap{min-height:calc(100vh - 120px);display:grid;place-items:center}.login-card{width:min(430px,94vw)}.install-wrap{width:min(760px,94vw);margin:30px 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