:root{--primary-color: #1976d2;--primary-dark: #1565c0;--accent-color: #ff4081;--background-color: #f5f5f5;--surface-color: #ffffff;--text-primary: #212121;--text-secondary: #757575;--border-color: #e0e0e0;--success-color: #4caf50;--warning-color: #ff9800;--error-color: #f44336}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--background-color)}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:var(--surface-color);border-radius:8px;box-shadow:0 2px 8px #0000001a;margin-bottom:20px;overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border-color);background:var(--primary-color);color:#fff;font-weight:600}.card-content{padding:20px}.btn{display:inline-block;padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-weight:500;text-decoration:none;transition:all .3s ease;margin:4px}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-success{background:var(--success-color);color:#fff}.btn-warning{background:var(--warning-color);color:#fff}.btn-danger{background:var(--error-color);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:4px;font-weight:500}.form-input{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:14px}.table{width:100%;border-collapse:collapse;margin-top:16px}.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid var(--border-color)}.table th{background:var(--background-color);font-weight:600}.table tbody tr:hover{background:#1976d20a}.status-indicator{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px}.status-online{background:var(--success-color)}.status-offline{background:var(--error-color)}.status-warning{background:var(--warning-color)}.loading{display:inline-block;width:20px;height:20px;border:3px solid var(--border-color);border-radius:50%;border-top-color:var(--primary-color);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.tabs{display:flex;border-bottom:1px solid var(--border-color);background:var(--surface-color)}.tab{padding:12px 20px;border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;font-weight:500;transition:all .3s ease}.tab:hover{background:#1976d20a}.tab.active{border-bottom-color:var(--primary-color);color:var(--primary-color)}.progress-bar{width:100%;height:8px;background:var(--border-color);border-radius:4px;overflow:hidden;margin:8px 0}.progress-fill{height:100%;background:var(--primary-color);transition:width .3s ease}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.text-center{text-align:center}.text-success{color:var(--success-color)}.text-warning{color:var(--warning-color)}.text-error{color:var(--error-color)}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.p-4{padding:16px}@media (max-width: 768px){.container{padding:10px}.tabs{flex-wrap:wrap}.tab{flex:1;min-width:120px}.table{font-size:14px}.table th,.table td{padding:8px}}