*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:#f5f7fa;color:#1a1a2e;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#1e293b;color:#e2e8f0;padding:20px 0;flex-shrink:0}.sidebar h1{font-size:16px;padding:0 20px 20px;border-bottom:1px solid #334155;margin-bottom:12px;line-height:1.4}.sidebar nav a{display:block;padding:10px 20px;color:#cbd5e1;transition:background .15s}.sidebar nav a:hover,.sidebar nav a.active{background:#334155;color:#fff}.main-content{flex:1;padding:24px;overflow-x:auto}.page-title{font-size:22px;font-weight:600;margin-bottom:20px}.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px #00000014;margin-bottom:16px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px #00000014}.stat-card .label{color:#64748b;font-size:14px}.stat-card .value{font-size:28px;font-weight:700;color:#2563eb;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:opacity .15s}.btn:hover{opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:#2563eb;color:#fff}.btn-success{background:#16a34a;color:#fff}.btn-danger{background:#dc2626;color:#fff}.btn-warning{background:#d97706;color:#fff}.btn-secondary{background:#64748b;color:#fff}.btn-outline{background:#fff;color:#334155;border:1px solid #cbd5e1}.btn-sm{padding:4px 10px;font-size:13px}.col-checkbox{width:40px;text-align:center}.col-checkbox input[type=checkbox]{width:16px;height:16px;cursor:pointer}.text-muted-deleted{color:#94a3b8;font-style:italic}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:14px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:8px 12px;border:1px solid #cbd5e1;border-radius:6px}.form-group textarea{min-height:80px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-check-inline{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;width:fit-content}.form-check-inline input[type=checkbox]{width:16px;height:16px;margin:0;cursor:pointer}.form-check-inline span{font-size:14px;font-weight:500;line-height:1}.usage-tags-cell{font-weight:600;color:#1e40af}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #e2e8f0}th{background:#f8fafc;font-weight:600;color:#475569}.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:14px}.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fcd34d}.alert-danger{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}.alert-success{background:#dcfce7;color:#166534;border:1px solid #86efac}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e293b,#334155)}.login-box{background:#fff;padding:40px;border-radius:12px;width:100%;max-width:400px;box-shadow:0 10px 40px #0003}.login-box h1{text-align:center;margin-bottom:8px;font-size:22px}.login-box .subtitle{text-align:center;color:#64748b;margin-bottom:28px;font-size:14px}.error-msg{color:#dc2626;font-size:14px;margin-bottom:12px}.top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}.badge-success{background:#dcfce7;color:#166534}.badge-danger{background:#fee2e2;color:#991b1b}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1e40af}.badge-gray{background:#f1f5f9;color:#475569}.thumb{width:48px;height:48px;object-fit:cover;border-radius:4px}.thumb-lg{width:200px;max-width:100%;border-radius:8px}.product-card{background:#fff;border-radius:8px;padding:16px;box-shadow:0 1px 3px #00000014;text-align:center}.product-card img{width:100px;height:100px;object-fit:cover;border-radius:8px;margin-bottom:12px}.product-card h3{font-size:16px;margin-bottom:8px}.product-card .meta{font-size:13px;color:#64748b;margin-bottom:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:24px;width:90%;max-width:560px;max-height:90vh;overflow-y:auto}.modal h2{margin-bottom:20px;font-size:18px}.prompt-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:16px;white-space:pre-wrap;font-size:15px;line-height:1.6;margin:12px 0}.filter-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;align-items:flex-end}.filter-bar .form-group{margin-bottom:0;min-width:140px}.empty-state{text-align:center;padding:40px;color:#64748b}.user-info{padding:12px 20px;font-size:13px;color:#94a3b8;border-top:1px solid #334155;margin-top:auto}.logout-btn{background:none;border:none;color:#94a3b8;cursor:pointer;font-size:13px;margin-top:4px}.logout-btn:hover{color:#fff}.feedback-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.feedback-buttons .btn{padding:14px;font-size:15px}@media(max-width:768px){.app-layout{flex-direction:column}.sidebar{width:100%}.form-row{grid-template-columns:1fr}}