:root{--bg:#f4f6f9;--card:#fff;--text:#182230;--muted:#667085;--line:#e4e7ec;--blue:#2563eb;--dark:#111827;--green:#16a34a;--red:#dc2626}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--dark);color:#fff;z-index:20;flex-direction:column;width:245px;padding:18px 12px;display:flex;position:fixed;inset:0 auto 0 0}.brand{justify-content:space-between;align-items:flex-start;padding:8px 12px 25px;display:flex}.brand b{font-size:23px}.brand b span{color:#60a5fa}.brand small{color:#9ca3af;margin-top:5px;font-size:11px;font-weight:400;display:block}.sidebar nav{gap:3px;display:grid}.sidebar nav button,.sidebar-bottom button{color:#cbd5e1;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:9px;width:100%;padding:11px 13px;font-size:14px;display:flex}.sidebar nav button:hover,.sidebar nav button.active,.sidebar-bottom button:hover{color:#fff;background:#263244}.sidebar-bottom{border-top:1px solid #263244;margin-top:auto;padding-top:12px}.user-card{padding:8px 12px 10px}.user-card b,.user-card span{display:block}.user-card span{color:#9ca3af;text-transform:capitalize;margin-top:3px;font-size:11px}.main{width:calc(100% - 245px);margin-left:245px}header{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:12px;padding:18px 28px;display:flex}header h1{margin:0;font-size:22px}header p{color:var(--muted);margin:4px 0 0;font-size:13px}.content{padding:28px}.topline{justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px;display:flex}.topline h2{margin:0;font-size:26px}.topline p{color:var(--muted);margin:5px 0 0;font-size:13px}.btn{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;padding:9px 13px;font-weight:600}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.small{padding:7px 10px}.btn.wide{width:100%;margin-bottom:10px;display:block}.cards{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.card,.panel{background:var(--card);border:1px solid var(--line);border-radius:12px}.card{padding:17px}.label{color:var(--muted);font-size:12px}.value{margin-top:8px;font-size:25px;font-weight:700}.sub{color:var(--muted);margin-top:5px;font-size:12px}.dashboard-grid{grid-template-columns:2fr 1fr;gap:15px;margin-top:16px;display:grid}.panel{padding:17px}.panel h3{margin:0 0 14px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:720px}th,td{border-bottom:1px solid var(--line);text-align:left;padding:10px 7px;font-size:13px}th{color:var(--muted);font-weight:600}.toolbar{gap:9px;margin-bottom:14px;display:flex}.search-input{border:1px solid var(--line);border-radius:8px;flex:1;padding:10px}.sku{color:#1d4ed8;background:#eff6ff;border-radius:999px;padding:4px 7px;font-size:11px}.low{color:var(--red);font-weight:700}.good{color:var(--green);font-weight:700}.empty{text-align:center;color:var(--muted);padding:30px}.big-empty{padding:60px 20px}.modal-bg{z-index:50;background:#0008;justify-content:center;align-items:center;padding:18px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:14px;width:min(760px,100%);max-height:90vh;padding:21px;overflow:auto}.modal h2{margin-top:0}.form-grid{grid-template-columns:1fr 1fr;gap:11px;display:grid}.form-grid label{color:var(--muted);gap:4px;font-size:12px;display:grid}.form-grid input{border:1px solid var(--line);border-radius:8px;width:100%;padding:10px}.full{grid-column:1/-1}.actions{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.login-page,.splash{background:var(--dark);place-items:center;min-height:100vh;display:grid}.splash{color:#fff;font-weight:800}.login-card{background:#fff;border-radius:16px;width:min(420px,100% - 28px);padding:34px}.login-logo{color:#fff;background:#2563eb;border-radius:12px;place-items:center;width:62px;height:62px;margin:auto;font-weight:900;display:grid}.login-card h1{text-align:center;margin:14px 0 4px}.login-card>p{text-align:center;color:var(--muted);margin:0 0 25px}.login-card label{gap:6px;margin-bottom:13px;font-size:13px;font-weight:600;display:grid}.login-card input{border:1px solid var(--line);border-radius:8px;padding:11px}.login-card .primary{width:100%;margin-top:5px}.login-card small{text-align:center;color:#9ca3af;margin-top:18px;display:block}.error{color:#b42318;background:#fff0f0;border:1px solid #fecaca;border-radius:8px;margin-top:12px;padding:10px 12px;font-size:13px}.mobile{display:none}.close-menu,.menu-btn{color:inherit;cursor:pointer;background:0 0;border:0}@media (width<=900px){.sidebar{width:210px}.main{width:calc(100% - 210px);margin-left:210px}.cards{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}}@media (width<=700px){.sidebar{width:245px;transition:all .2s;transform:translate(-100%)}.sidebar.open{transform:none}.main{width:100%;margin:0}.mobile{display:inline-flex}.content{padding:15px}header{padding:14px 15px}.cards,.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.topline{align-items:flex-start}.topline h2{font-size:22px}}select,textarea{font:inherit}select,textarea,.form-grid input{border:1px solid var(--line);width:100%;color:var(--text);background:#fff;border-radius:8px;padding:10px}textarea{resize:vertical;min-height:84px}.form-grid.one{grid-template-columns:1fr}.compact{width:min(620px,100%)}.row-actions{flex-wrap:wrap;gap:7px;display:flex}.badge{background:#eef2f6;border-radius:999px;padding:4px 8px;font-size:11px;display:inline-block}.badge.ok{color:#067647;background:#ecfdf3}.badge.off{color:#b42318;background:#fef3f2}.danger{color:#b42318}.page-error{margin-bottom:14px}.notice{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:9px;margin-bottom:14px;padding:11px 13px;font-size:13px}.success{color:#067647;background:#ecfdf3;border:1px solid #abefc6;border-radius:8px;margin-top:12px;padding:10px 12px}.two-panels,.settings-grid{grid-template-columns:1fr 1fr;gap:15px;display:grid}.report-cards{grid-template-columns:repeat(4,1fr)}.report-table{margin-top:16px}.muted{color:var(--muted);font-size:13px;line-height:1.5}.small-note{margin-top:14px}.check{align-items:center;grid-template-columns:auto 1fr!important;gap:8px!important;display:flex!important}.check input{width:auto!important}@media (width<=1100px){.report-cards{grid-template-columns:repeat(2,1fr)}}@media (width<=800px){.two-panels,.settings-grid{grid-template-columns:1fr}}@media (width<=700px){.report-cards{grid-template-columns:1fr}.row-actions{width:100%}.topline>.row-actions{justify-content:flex-end}}