:root{--navy:#10233f;--navy2:#17375e;--orange:#f28c28;--gold:#f7b84b;--bg:#f4f6fa;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--success:#15803d;--danger:#b91c1c;--warning:#a16207;--shadow:0 10px 30px rgba(16,35,63,.08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font:14px/1.5 Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}a{color:var(--navy2);text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:255px;background:linear-gradient(180deg,var(--navy),#0a172b);color:#fff;overflow-y:auto;z-index:30;transition:.25s}.sidebar-brand{display:flex;align-items:center;gap:12px;color:#fff;padding:20px;border-bottom:1px solid #ffffff18}.sidebar-brand 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h2{font-size:27px;color:var(--navy);margin:0}.auth-link{text-align:center;margin-top:15px}.language-row{display:flex;justify-content:center;gap:8px;margin-top:28px}.auth-card footer{text-align:center;font-size:11px;color:var(--muted);margin-top:18px}.error-page{min-height:70vh;display:grid;place-content:center;text-align:center;padding:30px}.error-page>strong{font-size:90px;color:var(--orange)}.empty-state{padding:45px;text-align:center;color:var(--muted)}.report-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.report-link{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;font-weight:700}.report-link:hover{border-color:var(--orange);transform:translateY(-1px)}.pos-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-height:70vh;overflow:auto}.product-card{border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px;cursor:pointer;text-align:left}.product-card:hover{border-color:var(--orange)}.product-card strong,.product-card small{display:block}.product-card .stock{color:var(--success)}.cart-panel{position:sticky;top:90px}.cart-table input{width:75px;padding:6px}.totals{border-top:2px solid var(--navy);padding-top:12px}.total-row{display:flex;justify-content:space-between;padding:5px 0}.total-row.grand{font-size:19px;font-weight:900;color:var(--navy)}@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(3,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main-area{margin-left:0}.icon-button{display:block;margin-right:12px}.topbar{padding:0 14px}.content{padding:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.two-col,.pos-layout{grid-template-columns:1fr}.cart-panel{position:static}.detail-grid{grid-template-columns:repeat(2,1fr)}.auth-shell{grid-template-columns:1fr}.auth-brand{padding:30px}.auth-brand p{display:none}.auth-card{padding:35px}}@media(max-width:560px){.stats-grid,.form-grid,.report-grid,.detail-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:auto}.product-grid{grid-template-columns:1fr 1fr}.topbar-title small,.user-menu summary>span:last-child{display:none}.app-footer{display:block;text-align:center}.app-footer strong{display:block}.page-header{align-items:flex-start}.auth-brand{display:none}.auth-shell{display:block}.auth-card{padding:28px}.content{padding:12px}.card{padding:14px}}
.print-brand{display:none}@media print{.sidebar,.topbar,.page-actions,.filters,.app-footer,.no-print{display:none!important}.main-area{margin:0}.content{padding:0}.card{box-shadow:none;border:0}.data-table{font-size:11px}.print-brand{display:block;text-align:center;border-bottom:3px solid #17375e;margin-bottom:15px}.print-brand h1{margin:0;color:#10233f}.print-footer{border:0;border-top:1px solid #bbb;margin:18px 0 0;padding-top:8px;font-size:10px}}
.input-action{display:flex;gap:7px}.input-action input{flex:1}.input-action .btn{white-space:nowrap}.check-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--line)}.check-row:last-child{border-bottom:0}.check-grid{display:flex;gap:7px;flex-wrap:wrap}.check-chip{padding:5px 8px;border-radius:6px;background:#f1f5f9;font:12px ui-monospace,monospace}.check-chip.ok{background:#dcfce7;color:#166534}.check-chip.bad{background:#fee2e2;color:#991b1b}.text-success{color:var(--success)}.text-danger{color:var(--danger)}