*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1677ff;--color-primary-hover: #0958d9;--color-danger: #ff4d4f;--color-success: #52c41a;--color-warning: #faad14;--bg-app: #f0f2f5;--bg-sidebar: #001529;--bg-surface: #ffffff;--bg-surface-secondary: #fafafa;--text-primary: #1a1a1a;--text-secondary: #6b7280;--text-inverse: #ffffff;--text-sidebar: rgba(255, 255, 255, .65);--text-sidebar-active: #ffffff;--border-color: #e5e7eb;--border-radius: 8px;--border-radius-sm: 4px;--border-radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--sidebar-width: 240px;--header-height: 60px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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var(--space-4);color:var(--text-sidebar);cursor:pointer;font-size:14px;border:none;background:none;width:100%;text-align:left;transition:background-color .15s,color .15s;text-decoration:none}.sidebar-item:hover{background-color:#ffffff14;color:var(--text-sidebar-active)}.sidebar-item.active{background-color:var(--color-primary);color:var(--text-sidebar-active)}.sidebar-item .icon{font-size:16px;width:18px;text-align:center;flex-shrink:0}.header{height:var(--header-height);background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6);flex-shrink:0;box-shadow:var(--shadow-sm)}.header-title{font-size:16px;font-weight:600;color:var(--text-primary)}.header-user{display:flex;align-items:center;gap:var(--space-3);color:var(--text-secondary);font-size:14px}.header-user 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var(--space-4);text-align:left;font-weight:600;color:var(--text-secondary);background-color:var(--bg-surface-secondary);border-bottom:1px solid var(--border-color);font-size:13px}tbody td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-color);color:var(--text-primary)}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background-color:#f5f8ff}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:7px 16px;font-size:14px;font-weight:500;border-radius:var(--border-radius);border:1px solid transparent;cursor:pointer;transition:all 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12px;font-size:13px}.form-group{display:flex;flex-direction:column;gap:var(--space-1)}.form-label{font-size:13px;font-weight:500;color:var(--text-primary)}.form-input,.form-select{padding:8px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:14px;color:var(--text-primary);background-color:#fff;transition:border-color .15s,box-shadow .15s;width:100%}.form-input:focus,.form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1677ff1a}.badge{display:inline-flex;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;border-radius:999px}.badge-success{background-color:#f6ffed;color:#389e0d;border:1px solid #b7eb8f}.badge-warning{background-color:#fffbe6;color:#d46b08;border:1px solid #ffe58f}.badge-danger{background-color:#fff2f0;color:#cf1322;border:1px solid #ffa39e}.badge-info{background-color:#e6f4ff;color:#0958d9;border:1px solid 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h2{font-size:18px;font-weight:600}.modal-body{padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-4)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-color)}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-track{position:absolute;cursor:pointer;inset:0;background-color:#d1d5db;border-radius:999px;transition:background-color .2s}.toggle-track:after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;background-color:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px #0003}.toggle-switch input:checked+.toggle-track{background-color:var(--color-primary)}.toggle-switch input:checked+.toggle-track:after{transform:translate(20px)}.setting-item{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);padding:var(--space-5) 0;border-bottom:1px solid var(--border-color)}.setting-item:last-child{border-bottom:none}.setting-item-info h3{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-1)}.setting-item-info p{font-size:13px;color:var(--text-secondary);line-height:1.5}.danger-zone{border:2px solid #ffa39e;border-radius:var(--border-radius-lg);padding:var(--space-5);background-color:#fff2f0}.danger-zone h3{color:var(--color-danger);font-size:15px;font-weight:600;margin-bottom:var(--space-3)}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:var(--space-8);color:var(--text-secondary);font-size:14px;gap:var(--space-3)}.empty-state{text-align:center;padding:var(--space-8);color:var(--text-secondary)}.empty-state p{font-size:14px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--space-4);margin-bottom:var(--space-6)}.stat-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);padding:var(--space-5);box-shadow:var(--shadow-sm)}.stat-card .stat-label{font-size:13px;color:var(--text-secondary);margin-bottom:var(--space-2)}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--text-primary)}.stat-card .stat-icon{font-size:24px;margin-bottom:var(--space-2)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-4)}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}