*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0a1a;--bg-secondary: #0f0f23;--bg-card: #141432;--bg-card-hover: #1a1a3e;--bg-input: #1a1a38;--bg-sidebar: #0c0c1e;--border: #1e1e48;--border-light: #2a2a55;--text-primary: #e8e8f0;--text-secondary: #8888aa;--text-muted: #5a5a7a;--text-heading: #ffffff;--accent: #6366f1;--accent-light: #818cf8;--accent-dark: #4f46e5;--accent-glow: rgba(99, 102, 241, .15);--success: #22c55e;--success-bg: rgba(34, 197, 94, .12);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .12);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .12);--info: #3b82f6;--info-bg: rgba(59, 130, 246, .12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 32px rgba(0,0,0,.5);--shadow-glow: 0 0 20px var(--accent-glow);--sidebar-width: 260px;--sidebar-collapsed: 72px;--topbar-height: 0px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}html,body,#root{height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}a{color:var(--accent-light);text-decoration:none}a:hover{color:var(--accent)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.app-layout{display:flex;height:100vh;overflow:hidden}.main-content{flex:1;overflow-y:auto;padding:32px;margin-left:var(--sidebar-width);transition:margin-left var(--transition-slow)}.login-wrapper{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary);background-image:radial-gradient(ellipse at 20% 50%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.06) 0%,transparent 50%)}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:48px 40px;width:100%;max-width:420px;box-shadow:var(--shadow-lg);animation:fadeInUp .5s ease}.login-card .logo-area{text-align:center;margin-bottom:32px}.login-card .logo-area .logo-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--accent),#8b5cf6);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px;box-shadow:var(--shadow-glow)}.login-card .logo-area h1{font-size:22px;font-weight:700;color:var(--text-heading);letter-spacing:-.3px}.login-card .logo-area p{color:var(--text-secondary);font-size:13px;margin-top:6px}.login-card .input-group{margin-bottom:20px}.login-card .input-group label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px}.login-card .input-group input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;font-family:inherit;transition:border-color var(--transition-fast);outline:none}.login-card .input-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.login-card .error-msg{color:var(--danger);font-size:13px;margin-bottom:16px;padding:10px 14px;background:var(--danger-bg);border-radius:var(--radius-sm);border:1px solid rgba(239,68,68,.2)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-slow)}.sidebar-header{padding:24px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border)}.sidebar-header .sidebar-logo{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),#8b5cf6);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.sidebar-header .sidebar-brand{overflow:hidden}.sidebar-header .sidebar-brand h2{font-size:15px;font-weight:700;color:var(--text-heading);white-space:nowrap}.sidebar-header .sidebar-brand span{font-size:11px;color:var(--text-muted);white-space:nowrap}.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}.sidebar-section-title{font-size:10px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1.2px;padding:12px 12px 6px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition-fast);margin-bottom:2px;text-decoration:none;-webkit-user-select:none;user-select:none}.sidebar-link:hover{background:var(--bg-card);color:var(--text-primary)}.sidebar-link.active{background:var(--accent-glow);color:var(--accent-light);font-weight:600}.sidebar-link .nav-icon{font-size:18px;width:20px;text-align:center;flex-shrink:0}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}.sidebar-footer .user-info{display:flex;align-items:center;gap:10px}.sidebar-footer .user-avatar{width:32px;height:32px;background:linear-gradient(135deg,#22c55e,#16a34a);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#fff;flex-shrink:0}.sidebar-footer .user-details{overflow:hidden}.sidebar-footer .user-details .name{font-size:13px;font-weight:600;color:var(--text-primary)}.sidebar-footer .user-details .role{font-size:11px;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:13px;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 2px 8px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #6366f166}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-light)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 12px;font-size:12px}.btn-block{width:100%}.btn-icon{padding:8px;min-width:34px;min-height:34px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:28px}.kpi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition-normal);position:relative;overflow:hidden}.kpi-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),#8b5cf6);opacity:0;transition:opacity var(--transition-fast)}.kpi-card:hover{border-color:var(--border-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.kpi-card:hover:before{opacity:1}.kpi-card .kpi-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.kpi-card .kpi-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:18px}.kpi-card .kpi-icon.blue{background:var(--info-bg);color:var(--info)}.kpi-card .kpi-icon.green{background:var(--success-bg);color:var(--success)}.kpi-card .kpi-icon.yellow{background:var(--warning-bg);color:var(--warning)}.kpi-card .kpi-icon.red{background:var(--danger-bg);color:var(--danger)}.kpi-card .kpi-icon.purple{background:#8b5cf61f;color:#a78bfa}.kpi-card .kpi-value{font-size:32px;font-weight:800;color:var(--text-heading);letter-spacing:-1px;line-height:1}.kpi-card .kpi-label{font-size:12px;font-weight:500;color:var(--text-secondary);margin-top:6px;text-transform:uppercase;letter-spacing:.6px}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:24px}.panel-header{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.panel-header h3{font-size:15px;font-weight:700;color:var(--text-heading)}.panel-body{padding:24px}.panel-body.no-pad{padding:0}.page-header{margin-bottom:28px}.page-header h1{font-size:24px;font-weight:800;color:var(--text-heading);letter-spacing:-.5px}.page-header p{color:var(--text-secondary);font-size:13px;margin-top:4px}.page-header .breadcrumb{font-size:12px;color:var(--text-muted);margin-bottom:8px}.page-header .breadcrumb span{color:var(--accent-light)}.data-table{width:100%;border-collapse:collapse}.data-table thead th{text-align:left;padding:12px 16px;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0}.data-table tbody tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--bg-card-hover)}.data-table tbody td{padding:14px 16px;font-size:13px;border-bottom:1px solid var(--border);color:var(--text-primary)}.data-table .mono{font-family:SF Mono,Fira Code,monospace;font-size:12px;color:var(--text-secondary)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:11px;font-weight:600;border-radius:100px;text-transform:uppercase;letter-spacing:.4px}.badge-online{background:var(--success-bg);color:var(--success)}.badge-offline{background:var(--danger-bg);color:var(--danger)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge .badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse-dot 2s infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.search-bar{display:flex;align-items:center;gap:12px;margin-bottom:20px}.search-input{flex:1;padding:10px 16px 10px 40px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none;transition:border-color var(--transition-fast);position:relative}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.search-wrapper{position:relative;flex:1}.search-wrapper .search-icon-inner{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px;pointer-events:none}.connect-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;max-width:500px;margin:0 auto;box-shadow:var(--shadow-lg)}.connect-card h2{font-size:20px;font-weight:700;color:var(--text-heading);text-align:center;margin-bottom:8px}.connect-card .connect-subtitle{text-align:center;color:var(--text-secondary);font-size:13px;margin-bottom:28px}.connect-card .connect-fields{display:flex;gap:12px;margin-bottom:20px}.connect-card .connect-fields .input-group{flex:1}.connect-card .input-group label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.6px;display:block;margin-bottom:6px}.connect-card .input-group input{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:16px;font-family:SF Mono,Fira Code,monospace;text-align:center;letter-spacing:2px;outline:none;transition:border-color var(--transition-fast)}.connect-card .input-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.connect-result{margin-top:20px;padding:16px;border-radius:var(--radius-md);font-size:13px}.connect-result.success{background:var(--success-bg);border:1px solid rgba(34,197,94,.2);color:var(--success)}.connect-result.error{background:var(--danger-bg);border:1px solid rgba(239,68,68,.2);color:var(--danger)}.event-list{list-style:none}.event-item{display:flex;align-items:flex-start;gap:14px;padding:14px 20px;border-bottom:1px solid var(--border);transition:background var(--transition-fast)}.event-item:last-child{border-bottom:none}.event-item:hover{background:var(--bg-card-hover)}.event-item .event-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;margin-top:2px}.event-item .event-icon.register{background:var(--info-bg);color:var(--info)}.event-item .event-icon.connect{background:var(--success-bg);color:var(--success)}.event-item .event-icon.auth_fail{background:var(--danger-bg);color:var(--danger)}.event-item .event-icon.delete{background:var(--warning-bg);color:var(--warning)}.event-item .event-content{flex:1;min-width:0}.event-item .event-message{font-size:13px;color:var(--text-primary);word-break:break-word}.event-item .event-time{font-size:11px;color:var(--text-muted);margin-top:4px}.chart-container{position:relative;height:280px;padding:8px}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}.setting-item{padding:20px 0;border-bottom:1px solid var(--border)}.setting-item:last-child{border-bottom:none}.setting-item label{display:block;font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.setting-item .setting-desc{font-size:12px;color:var(--text-muted);margin-bottom:12px}.setting-item input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none}.setting-item input:focus{border-color:var(--accent)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:16px;color:var(--text-secondary);margin-bottom:8px}.empty-state p{font-size:13px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-in{animation:fadeInUp .4s ease}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card-hover) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(max-width:768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0;padding:20px 16px}.kpi-grid{grid-template-columns:1fr 1fr;gap:12px}.grid-2{grid-template-columns:1fr}.connect-card .connect-fields{flex-direction:column}}@media(max-width:480px){.kpi-grid{grid-template-columns:1fr}}