:root{--bg: #f5f7fa;--surface: #ffffff;--border: #e5e9f0;--text: #1a2233;--text-muted: #6b7280;--primary: #3b6fe0;--primary-hover: #2f5ac9;--primary-soft: #eaf0fe;--success: #17a673;--success-soft: #e7f8f1;--danger: #e0483b;--danger-soft: #fdecea;--warning: #d99a1b;--warning-soft: #fbf3e0;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);--shadow-lg: 0 4px 12px rgba(16, 24, 40, .1)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}button{font-family:inherit;cursor:pointer}input,select{font-family:inherit;font-size:14px}a{color:inherit}.centered-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:4px}.sidebar-brand{font-size:15px;font-weight:700;padding:8px 10px 20px;color:var(--text)}.sidebar-brand small{display:block;font-weight:500;color:var(--text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;margin-top:2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:var(--text-muted);text-decoration:none;font-weight:500;font-size:13.5px}.sidebar-link:hover{background:var(--bg);color:var(--text)}.sidebar-link.active{background:var(--primary-soft);color:var(--primary)}.sidebar-footer{margin-top:auto;padding-top:14px;border-top:1px solid var(--border)}.main-area{padding:28px 32px;max-width:1200px}.page-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px}.page-header h1{font-size:20px}.page-header p{margin:4px 0 0;color:var(--text-muted);font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card+.card{margin-top:16px}.card-title{font-size:14px;font-weight:650;margin-bottom:14px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.stat-tile .label{font-size:12px;color:var(--text-muted);font-weight:550}.stat-tile .value{font-size:22px;font-weight:700;margin-top:4px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:12.5px;font-weight:600;color:var(--text-muted)}.field input,.field select{border:1px solid var(--border);border-radius:8px;padding:9px 11px;background:var(--surface);color:var(--text)}.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.field-row{display:flex;gap:10px}.field-row .field{flex:1}.btn{border:none;border-radius:8px;padding:9px 16px;font-weight:600;font-size:13.5px;transition:background .12s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:#eceef2}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:#fbdad6}.btn-block{width:100%}.btn-sm{padding:6px 11px;font-size:12.5px}.btn:disabled{opacity:.55;cursor:not-allowed}table.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);font-weight:650;padding:8px 10px;border-bottom:1px solid var(--border)}.data-table td{padding:10px;border-bottom:1px solid var(--border)}.data-table tr:last-child td{border-bottom:none}.empty-row{color:var(--text-muted);text-align:center;padding:24px;font-size:13px}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:650}.badge-success{background:var(--success-soft);color:var(--success)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-muted{background:var(--bg);color:var(--text-muted)}.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);padding:32px 28px}.auth-brand{text-align:center;margin-bottom:22px}.auth-brand .mark{width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;margin:0 auto 12px}.auth-brand h1{font-size:17px}.auth-brand p{color:var(--text-muted);font-size:12.5px;margin:4px 0 0}.error-banner{background:var(--danger-soft);color:var(--danger);border-radius:8px;padding:9px 12px;font-size:12.5px;font-weight:550;margin-bottom:14px}.role-switch{display:flex;gap:8px;justify-content:center;margin-top:18px;font-size:12px}.role-switch a{color:var(--text-muted);text-decoration:none;padding:4px 8px;border-radius:6px}.role-switch a:hover{background:var(--bg);color:var(--text)}.pos-shell{display:grid;grid-template-columns:1fr 360px;height:100vh}.pos-catalog{padding:20px;overflow-y:auto}.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.pos-product-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 12px;text-align:left;box-shadow:var(--shadow)}.pos-product-btn:hover{border-color:var(--primary)}.pos-product-btn .name{font-weight:600;font-size:13.5px}.pos-product-btn .price{color:var(--primary);font-weight:700;margin-top:6px}.pos-product-img{width:100%;height:72px;object-fit:cover;border-radius:6px;margin-bottom:8px;display:block}.pos-product-img-empty{background:var(--bg);border:1px dashed var(--border)}.pos-cart{background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;padding:20px}.cart-line{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}.cart-totals{margin-top:auto;padding-top:14px;border-top:1px solid var(--border)}.cart-totals .row{display:flex;justify-content:space-between;padding:4px 0;font-size:13px;color:var(--text-muted)}.cart-totals .row.total{font-size:17px;font-weight:700;color:var(--text);padding-top:8px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px}.tab-btn{background:none;border:none;padding:10px 14px;font-size:13.5px;font-weight:600;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-1px}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.receipt{width:80mm;margin:0 auto;font-family:Courier New,ui-monospace,monospace;color:#000;font-size:11px;line-height:1.45}.receipt .logo{display:block;max-width:44mm;max-height:20mm;margin:0 auto 6px}.receipt .center{text-align:center}.receipt .biz-name{font-size:14px;font-weight:700;text-transform:uppercase}.receipt .muted{color:#333;font-size:10px}.receipt hr{border:none;border-top:1px dashed #000;margin:6px 0}.receipt .line{display:flex;justify-content:space-between;gap:6px}.receipt .item-row{margin-bottom:2px}.receipt .item-row .line span:last-child{white-space:nowrap}.receipt .totals .line{padding:1px 0}.receipt .totals .grand{font-size:13px;font-weight:700;border-top:1px dashed #000;margin-top:4px;padding-top:4px}.receipt .footer{margin-top:10px;text-align:center;font-size:10px}#receipt-print-area{display:none}@media print{@page{size:88mm auto;margin:3mm}body *{visibility:hidden}#receipt-print-area,#receipt-print-area *{visibility:visible}#receipt-print-area{display:block;position:absolute;top:0;left:0;width:100%}}