:root{--green:#388e3c;--green-light:#e8f5e9;--green-dark:#1b5e20;--blue:#1565c0;--red:#e53935;--bg:#f8f9fa;--card:#fff;--sidebar-bg:#fff;--text:#1a1a2e;--text-secondary:#64748b;--border:#e2e8f0;--radius:10px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-lg:0 4px 12px #0000001a;--transition:.2s ease}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.app-layout{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border);z-index:100;flex-direction:column;width:240px;min-width:240px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);padding:20px}.sidebar-logo h1{color:var(--green-dark);font-size:18px;font-weight:700}.sidebar-logo p{color:var(--text-secondary);margin-top:2px;font-size:12px}.sidebar-nav{flex:1;padding:12px;overflow-y:auto}.sidebar-nav-item{cursor:pointer;color:var(--text-secondary);transition:var(--transition);text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;padding:10px 12px;font-family:inherit;font-size:14px;display:flex}.sidebar-nav-item:hover{background:var(--green-light);color:var(--green-dark)}.sidebar-nav-item.active{background:var(--green-light);color:var(--green);font-weight:600}.sidebar-nav-item svg{flex-shrink:0;width:18px;height:18px}.sidebar-footer{border-top:1px solid var(--border);color:var(--text-secondary);padding:16px 20px;font-size:12px}.main-content{flex-direction:column;flex:1;min-height:100vh;margin-left:240px;display:flex}.top-header{background:var(--card);border-bottom:1px solid var(--border);z-index:50;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.top-header-left{color:var(--text);font-size:15px;font-weight:600}.top-header-right{align-items:center;gap:16px;display:flex}.notification-bell{cursor:pointer;transition:var(--transition);color:var(--text-secondary);background:0 0;border:none;border-radius:8px;padding:6px;position:relative}.notification-bell:hover{background:var(--green-light);color:var(--green)}.notification-badge{background:var(--red);border-radius:50%;width:8px;height:8px;position:absolute;top:2px;right:2px}.profile-menu{cursor:pointer;transition:var(--transition);border-radius:8px;align-items:center;gap:8px;padding:4px 8px;display:flex}.profile-menu:hover{background:var(--green-light)}.profile-avatar{background:var(--green);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:600;display:flex}.page-container{flex:1;padding:24px}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-header h2{color:var(--text);font-size:22px;font-weight:700}.page-header-actions{align-items:center;gap:10px;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);padding:18px 20px}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.stat-card-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:6px;font-size:12px;font-weight:500}.stat-card-value{color:var(--text);font-size:26px;font-weight:700}.stat-card-change{margin-top:4px;font-size:12px}.stat-card-change.positive{color:var(--green)}.stat-card-change.negative{color:var(--red)}.stat-cards-row{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px;display:grid}.btn{cursor:pointer;transition:var(--transition);border:1px solid #0000;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600;display:inline-flex}.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark)}.btn-secondary{color:var(--text);border-color:var(--border);background:#fff}.btn-secondary:hover{background:var(--bg)}.btn-danger{color:var(--red);border-color:var(--red);background:#fff}.btn-danger:hover{background:#fef2f2}.btn-sm{padding:5px 10px;font-size:12px}.btn-lg{padding:10px 22px;font-size:15px}.btn:disabled{opacity:.5;cursor:not-allowed}.input{border:1px solid var(--border);width:100%;color:var(--text);transition:var(--transition);background:#fff;border-radius:8px;padding:9px 12px;font-family:inherit;font-size:14px}.input:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 3px #388e3c1a}.input-label{color:var(--text);margin-bottom:5px;font-size:13px;font-weight:600;display:block}.input-hint{color:var(--text-secondary);margin-top:3px;font-size:11px}.input-group{margin-bottom:16px}select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:30px}textarea.input{resize:vertical;min-height:80px}.table{border-collapse:collapse;width:100%;font-size:13px}.table th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);background:var(--bg);border-bottom:1px solid var(--border);padding:10px 14px;font-size:11px;font-weight:600}.table td{border-bottom:1px solid var(--border);color:var(--text);padding:12px 14px}.table tr:hover td{background:#fafbfc}.table tr:last-child td{border-bottom:none}.badge{letter-spacing:.3px;border-radius:20px;align-items:center;padding:3px 10px;font-size:11px;font-weight:600;display:inline-flex}.badge-green{color:#2e7d32;background:#e8f5e9}.badge-yellow{color:#f57f17;background:#fff8e1}.badge-red{color:#c62828;background:#ffebee}.badge-blue{color:#1565c0;background:#e3f2fd}.badge-gray{color:#64748b;background:#f1f5f9}.badge-purple{color:#7b1fa2;background:#f3e5f5}.tabs{border-bottom:2px solid var(--border);gap:2px;margin-bottom:20px;display:flex}.tab{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 16px;font-family:inherit;font-size:13px;font-weight:500}.tab:hover{color:var(--green)}.tab.active{color:var(--green);border-bottom-color:var(--green);font-weight:600}.tab-count{background:var(--bg);border-radius:10px;margin-left:4px;padding:1px 6px;font-size:11px}.tab.active .tab-count{background:var(--green-light);color:var(--green)}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:flex-start;padding:40px 20px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:var(--card);border-radius:12px;width:100%;max-width:720px;animation:.2s modalIn;box-shadow:0 20px 60px #0003}@keyframes modalIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.modal-header h3{font-size:17px;font-weight:700}.modal-close{cursor:pointer;width:32px;height:32px;color:var(--text-secondary);transition:var(--transition);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;font-size:18px;display:flex}.modal-close:hover{background:var(--bg);color:var(--text)}.modal-body{max-height:calc(100vh - 200px);padding:24px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;align-items:center;gap:10px;padding:16px 24px;display:flex}.product-form{flex-direction:column;gap:24px;display:flex}.form-section{border:1px solid var(--border);border-radius:var(--radius);padding:20px}.form-section-title{color:var(--text);align-items:center;gap:6px;margin-bottom:16px;font-size:14px;font-weight:700;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-grid-3{grid-template-columns:1fr 1fr 1fr;gap:14px;display:grid}.form-grid-4{grid-template-columns:1fr 1fr 1fr 1fr;gap:14px;display:grid}.form-full{grid-column:1/-1}.image-upload{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;transition:var(--transition);background:#fafbfc;padding:32px}.image-upload:hover{border-color:var(--green);background:var(--green-light)}.image-upload-icon{color:var(--text-secondary);margin-bottom:8px}.image-upload-text{color:var(--text-secondary);font-size:13px}.image-upload-text strong{color:var(--green)}.image-upload-preview{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.image-upload-thumb{background:var(--bg);border:1px solid var(--border);width:72px;height:72px;color:var(--text-secondary);border-radius:8px;justify-content:center;align-items:center;font-size:10px;display:flex;position:relative}.nutrition-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.nutrition-item{background:var(--bg);text-align:center;border-radius:8px;padding:10px 12px}.nutrition-item label{color:var(--text-secondary);margin-bottom:4px;font-size:11px;font-weight:500;display:block}.nutrition-item input{border:1px solid var(--border);text-align:center;background:#fff;border-radius:6px;width:100%;padding:6px 8px;font-family:inherit;font-size:14px;font-weight:600}.nutrition-item input:focus{border-color:var(--green);outline:none}.allergen-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;display:grid}.allergen-checkbox{border:1px solid var(--border);cursor:pointer;transition:var(--transition);border-radius:6px;align-items:center;gap:6px;padding:6px 10px;font-size:12px;display:flex}.allergen-checkbox:hover{border-color:var(--green)}.allergen-checkbox.checked{background:var(--green-light);border-color:var(--green);color:var(--green-dark)}.allergen-checkbox input[type=checkbox]{accent-color:var(--green)}.toggle{cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.toggle-switch{width:40px;height:22px;transition:var(--transition);background:#cbd5e1;border-radius:11px;position:relative}.toggle-switch:after{content:"";width:18px;height:18px;transition:var(--transition);background:#fff;border-radius:50%;position:absolute;top:2px;left:2px}.toggle.active .toggle-switch{background:var(--green)}.toggle.active .toggle-switch:after{left:20px}.search-bar{position:relative}.search-bar input{padding-left:36px}.search-bar svg{width:16px;height:16px;color:var(--text-secondary);position:absolute;top:50%;left:10px;transform:translateY(-50%)}.view-toggle{border:1px solid var(--border);border-radius:8px;display:flex;overflow:hidden}.view-toggle-btn{cursor:pointer;color:var(--text-secondary);transition:var(--transition);background:0 0;border:none;align-items:center;padding:6px 10px;display:flex}.view-toggle-btn.active{background:var(--green-light);color:var(--green)}.product-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.product-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);overflow:hidden}.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.product-card-image{background:var(--bg);height:140px;color:var(--text-secondary);border-bottom:1px solid var(--border);justify-content:center;align-items:center;font-size:40px;display:flex}.product-card-body{padding:14px}.product-card-name{margin-bottom:4px;font-size:14px;font-weight:600}.product-card-sku{color:var(--text-secondary);margin-bottom:8px;font-size:11px}.product-card-footer{justify-content:space-between;align-items:center;display:flex}.product-card-price{color:var(--green);font-size:15px;font-weight:700}.impersonation-banner{color:#e65100;background:#fff3e0;justify-content:center;align-items:center;gap:12px;padding:8px 24px;font-size:13px;font-weight:600;display:flex}.impersonation-banner button{color:#fff;cursor:pointer;background:#e65100;border:none;border-radius:4px;padding:3px 12px;font-size:12px;font-weight:600}.login-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--card);border:1px solid var(--border);width:100%;max-width:400px;box-shadow:var(--shadow-lg);text-align:center;border-radius:16px;padding:40px}.login-card h1{color:var(--green-dark);margin-bottom:4px;font-size:24px;font-weight:700}.login-card .subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:14px}.login-card .input-group{text-align:left}.login-card .btn{justify-content:center;width:100%;margin-top:8px}.login-error{color:var(--red);margin-bottom:12px;font-size:13px}.chart-bar-container{align-items:flex-end;gap:8px;height:160px;padding:0 10px;display:flex}.chart-bar-wrapper{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;height:100%;display:flex}.chart-bar{background:var(--green);border-radius:4px 4px 0 0;width:100%;max-width:40px;min-height:4px;transition:all .3s}.chart-bar:hover{background:var(--green-dark)}.chart-bar-label{color:var(--text-secondary);text-align:center;white-space:nowrap;text-overflow:ellipsis;max-width:60px;margin-top:6px;font-size:10px;overflow:hidden}.chart-bar-value{color:var(--text);margin-bottom:4px;font-size:10px;font-weight:600}.activity-feed{flex-direction:column;display:flex}.activity-item{border-bottom:1px solid var(--border);align-items:flex-start;gap:12px;padding:12px 0;display:flex}.activity-item:last-child{border-bottom:none}.activity-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;margin-top:5px}.activity-text{color:var(--text);font-size:13px}.activity-time{color:var(--text-secondary);font-size:11px}.alert-card{border-radius:8px;align-items:center;gap:12px;padding:12px 16px;font-size:13px;display:flex}.alert-card.warning{color:#f57f17;background:#fff8e1;border:1px solid #ffe082}.alert-card.error{color:#c62828;background:#ffebee;border:1px solid #ffcdd2}.alert-card.info{color:#1565c0;background:#e3f2fd;border:1px solid #bbdefb}.period-selector{background:var(--bg);border-radius:8px;gap:4px;padding:3px;display:flex}.period-btn{cursor:pointer;color:var(--text-secondary);transition:var(--transition);background:0 0;border:none;border-radius:6px;padding:6px 14px;font-family:inherit;font-size:12px;font-weight:500}.period-btn.active{color:var(--green);background:#fff;font-weight:600;box-shadow:0 1px 2px #00000014}.empty-state{text-align:center;color:var(--text-secondary);padding:48px 20px}.empty-state svg{opacity:.3;width:48px;height:48px;margin-bottom:12px}.empty-state h3{color:var(--text);margin-bottom:4px;font-size:16px}.empty-state p{font-size:13px}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.grid-3{grid-template-columns:1fr 1fr 1fr;gap:20px;display:grid}.flex-between{justify-content:space-between;align-items:center;display:flex}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}