:root{--primary: #4f46e5;--primary-dark: #4338ca;--primary-light: #eef2ff;--accent: #0ea5e9;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--bg: #f6f7fb;--card: #ffffff;--border: #e5e7eb;--text: #1f2937;--text-2: #6b7280;--text-3: #9ca3af;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;transition:all .15s;font-weight:500;white-space:nowrap}.btn:hover{border-color:var(--primary);color:var(--primary)}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff}.btn-danger{color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:#fef2f2;border-color:var(--danger)}.btn-ghost{background:#fff;border-color:#e5e7eb;color:var(--text-2)}.btn-ghost:hover{background:#f9fafb;color:var(--text);border-color:#d1d5db}.btn-sm{padding:5px 12px;font-size:13px}.btn-lg{padding:11px 22px;font-size:15px}.btn:disabled{opacity:.5;cursor:not-allowed}.input,select.input,textarea.input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--text);background:#fff;outline:none;transition:border .15s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.field{margin-bottom:14px}.field label{display:block;margin-bottom:6px;font-weight:500;color:var(--text)}.field .hint{color:var(--text-3);font-size:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{font-size:16px;font-weight:600;margin-bottom:16px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-head h2{font-size:20px;font-weight:700}table.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:13.5px}.table th{color:var(--text-2);font-weight:500;background:#fafbfc}.table tr:hover td{background:#fafbff}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-green{background:#dcfce7;color:#166534}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-gray{background:#f3f4f6;color:#4b5563}.badge-orange{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-purple{background:#ede9fe;color:#6d28d9}.empty{text-align:center;color:var(--text-3);padding:40px 0}.row{display:flex;gap:12px;align-items:center}.grid{display:grid;gap:16px}.money{font-variant-numeric:tabular-nums;font-weight:600}.muted{color:var(--text-2)}.small{font-size:12px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#fdf4ff)}.login-box{width:380px;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:36px 32px}.login-logo{font-size:24px;font-weight:800;color:var(--primary);text-align:center;margin-bottom:6px}.login-sub{text-align:center;color:var(--text-2);margin-bottom:26px}.login-demo{margin-top:18px;padding:12px;background:var(--bg);border-radius:8px;font-size:12px;color:var(--text-2)}.layout{display:flex;height:100vh}.sidebar{width:220px;background:#111827;color:#d1d5db;display:flex;flex-direction:column;flex-shrink:0}.sidebar-logo{padding:20px 20px 16px;font-weight:800;font-size:17px;color:#fff}.sidebar-logo span{color:var(--accent)}.nav{flex:1;padding:8px 12px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#d1d5db;margin-bottom:2px;cursor:pointer;font-size:14px;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:#ffffff0f;color:#fff}.nav-item.active{background:var(--primary);color:#fff}.nav-icon{width:18px;text-align:center}.sidebar-user{padding:14px 16px;border-top:1px solid #1f2937;font-size:13px}.main{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{height:58px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}.topbar h1{font-size:16px;font-weight:600}.content{flex:1;overflow-y:auto;padding:24px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px}.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat-label{color:var(--text-2);font-size:13px;margin-bottom:8px}.stat-value{font-size:26px;font-weight:700}.dash-2col{display:grid;grid-template-columns:1.6fr 1fr;gap:16px}@media (max-width: 1100px){.dash-2col{grid-template-columns:1fr}}.bar-chart{display:flex;align-items:flex-end;gap:12px;height:220px;padding-top:10px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}.bar{width:60%;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:6px 6px 0 0;min-height:2px}.bar-num{font-size:11px;color:var(--text-2)}.bar-label{font-size:12px;color:var(--text-2)}.donut-legend{display:flex;flex-direction:column;gap:10px;margin-top:8px}.legend-row{display:flex;align-items:center;gap:10px;font-size:13px}.pos-wrap{display:grid;grid-template-columns:1fr 360px;gap:16px;height:calc(100vh - 106px)}.pos-left,.pos-right{background:#fff;border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden}.pos-tabs{display:flex;gap:8px;padding:14px;border-bottom:1px solid var(--border)}.pos-grid{flex:1;overflow-y:auto;padding:14px;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}.pos-item{border:1px solid var(--border);border-radius:10px;padding:14px 12px;cursor:pointer;text-align:center;transition:all .15s}.pos-item:hover{border-color:var(--primary);background:var(--primary-light)}.pos-item-price{color:var(--danger);font-weight:700;margin-top:6px;font-size:15px}.pos-item-name{font-weight:500;font-size:13px;min-height:34px;display:flex;align-items:center;justify-content:center}.pos-right{padding:16px}.cart-items{flex:1;overflow-y:auto}.cart-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.cart-row-info{flex:1}.cart-qty{display:flex;align-items:center;gap:8px}.qty-btn{width:26px;height:26px;border-radius:6px;border:1px solid var(--border);background:#fff;cursor:pointer;font-weight:700;color:var(--primary)}.pos-totals{border-top:1px solid var(--border);padding-top:12px;margin-top:6px}.tot-row{display:flex;justify-content:space-between;padding:4px 0;font-size:14px}.tot-row.total{font-size:20px;font-weight:700;margin-top:6px}.member-select{margin:10px 0}.empty-cart{text-align:center;color:var(--text-3);padding:40px 0;font-size:13px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:14px;width:500px;max-width:92vw;max-height:88vh;overflow-y:auto;padding:24px;box-shadow:var(--shadow-lg)}.modal h3{margin-bottom:16px;font-size:17px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mt24{margin-top:24px}.loading{padding:40px;text-align:center;color:var(--text-2)}