:root{--brand:#009b72;--ink:#07142b;--muted:#64748b;--bg:#f4f7fb;--card:#fff;--line:#e5e7eb;--danger:#ef4444;--gold:#f59e0b}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.auth-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#06281f,#0f766e,#f8fafc)}.auth-card{width:min(440px,92vw);background:white;border-radius:28px;padding:32px;box-shadow:0 24px 80px rgba(2,6,23,.2)}.auth-card h1{margin:0 0 8px;font-size:30px}.form-control{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;margin:8px 0 14px;font-size:15px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;border:0;border-radius:14px;padding:12px 18px;font-weight:800;cursor:pointer}.btn.secondary{background:#e2e8f0;color:#0f172a}.btn.danger{background:var(--danger)}.btn.full{width:100%}.app{display:flex;min-height:100vh}.sidebar{width:280px;background:#07142b;color:#dbeafe;position:fixed;inset:0 auto 0 0;padding:20px;z-index:40;overflow:auto}.brand{font-size:22px;font-weight:900;color:white;margin-bottom:18px}.brand span{color:#22c55e}.nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;margin:3px 0;color:#dbeafe}.nav a:hover,.nav a.active{background:rgba(255,255,255,.12)}.main{margin-left:280px;width:calc(100% - 280px);padding:22px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.page-title{font-size:24px;font-weight:900}.subtitle{color:var(--muted)}.grid{display:grid;gap:18px}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.metric{font-size:26px;font-weight:900}.muted{color:var(--muted)}.pos-wrap{display:grid;grid-template-columns:1fr 390px;gap:18px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.product-card{border:1px solid var(--line);border-radius:18px;padding:14px;background:white;cursor:pointer}.product-card:hover{border-color:var(--brand);box-shadow:0 8px 24px rgba(0,155,114,.12)}.cart-line{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:10px 0}.scan-fab{position:fixed;right:22px;bottom:22px;width:72px;height:72px;border-radius:999px;background:var(--brand);color:white;border:0;box-shadow:0 20px 55px rgba(0,155,114,.35);font-weight:900;z-index:1000}.mobile-toggle{display:none;position:fixed;left:14px;top:14px;z-index:1001;background:var(--brand);color:#fff;border:0;border-radius:14px;padding:12px 14px}.scanner-modal{position:fixed;inset:0;background:rgba(2,6,23,.88);display:none;align-items:center;justify-content:center;z-index:2000;padding:18px}.scanner-box{width:min(720px,96vw);background:#0f172a;border-radius:24px;padding:18px;color:white}.scanner-video{width:100%;height:420px;background:#000;border-radius:18px;object-fit:cover}.badge{display:inline-flex;padding:5px 10px;border-radius:999px;background:#dcfce7;color:#166534;font-weight:800;font-size:12px}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid var(--line);padding:12px;text-align:left}@media(max-width:900px){.mobile-toggle{display:block}.sidebar{transform:translateX(-105%);transition:.25s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%;padding:76px 14px 90px}.grid.cols-4,.grid.cols-3,.pos-wrap{grid-template-columns:1fr}.cart-panel{position:sticky;bottom:0}.topbar{align-items:flex-start;flex-direction:column}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.scanner-video{height:55vh}}