:root{--navy-900: #0f172a;--navy-800: #1e293b;--navy-700: #334155;--navy-100: #e2e8f0;--bg: #f1f5f9;--card: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--danger-hover: #b91c1c;--success: #16a34a;--warning: #d97706;--radius: 8px;--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--sans);color:var(--text);background:var(--bg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--navy-900);color:var(--navy-100);display:flex;flex-direction:column;flex-shrink:0}.sidebar .brand{padding:20px 20px 16px;font-weight:700;font-size:15px;color:#fff;border-bottom:1px solid var(--navy-700);letter-spacing:.02em}.sidebar .brand small{display:block;color:#94a3b8;font-weight:400;font-size:11px;margin-top:2px}.sidebar nav{padding:12px 8px;flex:1}.sidebar nav a{display:block;padding:9px 12px;border-radius:6px;color:var(--navy-100);font-weight:500;margin-bottom:2px;transition:background .12s}.sidebar nav a:hover{background:var(--navy-800);text-decoration:none}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar .nav-section{padding:14px 12px 6px;font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:#64748b}.sidebar .sidebar-footer{padding:14px 16px;border-top:1px solid var(--navy-700);font-size:12px;color:#94a3b8}.sidebar .sidebar-footer button{margin-top:8px;width:100%}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--navy-800);color:#fff;display:flex;align-items:center;padding:0 24px;font-weight:600;gap:16px}.content{padding:24px;max-width:1100px;width:100%}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.card h2{margin:0 0 4px;font-size:16px}.card h3{margin:0 0 12px;font-size:14px}.card .card-sub{color:var(--muted);font-size:13px;margin-bottom:16px}label.field{display:block;margin-bottom:14px}label.field .label,.label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;margin-bottom:5px}input[type=text],input[type=password],input[type=date],input[type=number],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-family:var(--sans);font-size:14px;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}.row{display:flex;gap:16px;flex-wrap:wrap}.row>*{flex:1;min-width:160px}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:1px solid transparent;border-radius:6px;font-family:var(--sans);font-size:14px;font-weight:600;cursor:pointer;background:var(--primary);color:#fff;transition:background .12s,opacity .12s}button:hover,.btn:hover{background:var(--primary-hover)}button:disabled{opacity:.55;cursor:not-allowed}button.secondary,.btn.secondary{background:#fff;color:var(--text);border-color:var(--border)}button.secondary:hover{background:#f8fafc}button.danger{background:var(--danger)}button.danger:hover{background:var(--danger-hover)}button.small{padding:5px 10px;font-size:12.5px}.btn-row{display:flex;gap:10px;align-items:center;margin-top:8px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border)}th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}tbody tr:hover{background:#f8fafc}.table-scroll{overflow-x:auto}.mono,td.mono,.sku,.price{font-family:var(--mono)}td.price{text-align:right}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge.admin{background:#ede9fe;color:#6d28d9}.badge.user{background:#e0f2fe;color:#0369a1}.badge.ok{background:#dcfce7;color:#15803d}.badge.warn{background:#fef3c7;color:#b45309}.badge.error{background:#fee2e2;color:#b91c1c}.badge.muted{background:#f1f5f9;color:#64748b}.alert{padding:10px 14px;border-radius:6px;margin-bottom:16px;font-size:13px}.alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.alert.success{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}.alert.info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.alert.warn{background:#fffbeb;color:#b45309;border:1px solid #fde68a}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy-900),var(--navy-700))}.login-card{background:#fff;border-radius:12px;padding:32px;width:360px;box-shadow:0 20px 50px #0000004d}.login-card h1{margin:0 0 4px;font-size:20px}.login-card p.sub{color:var(--muted);margin:0 0 24px;font-size:13px}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.spinner.dark{border-color:#2563eb40;border-top-color:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}.muted-text{color:var(--muted)}.progress-bar{height:8px;background:var(--navy-100);border-radius:999px;overflow:hidden}.progress-bar>div{height:100%;background:var(--primary);transition:width .2s}.help-text{font-size:12px;color:var(--muted);margin-top:4px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:22px;margin:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal{background:#fff;border-radius:10px;padding:24px;width:480px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 50px #0000004d}.modal h2{margin-top:0}.modal .modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.tree{border:1px solid var(--border);border-radius:8px;overflow:hidden}.tree-toolbar{display:flex;align-items:center;gap:10px;padding:10px 12px;border-bottom:1px solid var(--border);background:#f8fafc}.tree-toolbar input{flex:1}.tree-body{max-height:340px;overflow-y:auto;padding:6px 4px}.tree-node{display:flex;align-items:center;gap:6px;padding:3px 6px;border-radius:5px}.tree-node:hover{background:#f1f5f9}.tree-node .twisty{width:18px;text-align:center;cursor:pointer;color:var(--muted);-webkit-user-select:none;user-select:none;font-size:11px}.tree-node .twisty.leaf{visibility:hidden}.tree-node label{display:flex;align-items:center;gap:6px;cursor:pointer;flex:1;margin:0}.tree-footer{padding:8px 12px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);background:#f8fafc}@media (max-width: 1024px){.sidebar{width:200px}}