:root{--font-primary:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--bg-main:#f8fafc;--bg-card:#fff;--bg-sidebar:#0f172a;--bg-sidebar-hover:#1e293b;--border-color:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--text-on-dark:#f8fafc;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#2563eb1a;--success:#10b981;--success-light:#10b9811a;--danger:#ef4444;--danger-light:#ef44441a;--warning:#f59e0b;--warning-light:#f59e0b1a;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-main:#0b0f19;--bg-card:#151e2e;--border-color:#223047;--text-main:#f8fafc;--text-muted:#94a3b8;--primary-light:#3b82f626;--success-light:#10b98126;--danger-light:#ef444426;--warning-light:#f59e0b26}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;transition:background-color .3s,color .3s;overflow-x:hidden}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;outline:none}@keyframes pulseGlow{0%{opacity:.5;transform:scale(.95)}50%{opacity:1;transform:scale(1.05)}to{opacity:.5;transform:scale(.95)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade{animation:.3s forwards fadeIn}.app-container{min-height:100vh;display:flex}.sidebar{background-color:var(--bg-sidebar);width:260px;color:var(--text-on-dark);z-index:100;height:100vh;transition:var(--transition);flex-direction:column;padding:24px;display:flex;position:fixed;top:0;left:0}.sidebar-logo{color:#fff;align-items:center;gap:12px;margin-bottom:40px;font-size:20px;font-weight:700;display:flex}.sidebar-logo svg{color:var(--primary)}.sidebar-nav{flex-direction:column;flex-grow:1;gap:8px;display:flex}.nav-item{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);color:#94a3b8;align-items:center;gap:12px;padding:12px 16px;font-weight:500;text-decoration:none;display:flex}.nav-item:hover,.nav-item.active{background-color:var(--bg-sidebar-hover);color:#fff}.nav-item.active{border-left:4px solid var(--primary)}.sidebar-footer{border-top:1px solid #1e293b;flex-direction:column;gap:16px;padding-top:20px;display:flex}.main-wrapper{flex-direction:column;flex-grow:1;min-width:0;margin-left:260px;padding:32px;display:flex}.topbar{justify-content:space-between;align-items:center;margin-bottom:32px;display:flex}.page-title h1{margin-bottom:4px;font-size:24px;font-weight:700}.page-title p{color:var(--text-muted);font-size:14px}.topbar-actions{align-items:center;gap:16px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main)}.btn-secondary:hover{background-color:var(--bg-main)}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-icon{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-card);cursor:pointer;transition:var(--transition);justify-content:center;align-items:center;padding:10px;display:flex}.btn-icon:hover{background-color:var(--bg-main)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px;display:grid}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition);padding:24px}.card:hover{box-shadow:var(--shadow-md)}.stat-card{justify-content:space-between;align-items:center;display:flex}.stat-info h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:14px;font-weight:600}.stat-info p{font-size:28px;font-weight:700}.stat-icon{border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-icon.primary{background-color:var(--primary-light);color:var(--primary)}.stat-icon.success{background-color:var(--success-light);color:var(--success)}.stat-icon.danger{background-color:var(--danger-light);color:var(--danger)}.stat-icon.warning{background-color:var(--warning-light);color:var(--warning)}.dashboard-grid{grid-template-columns:2fr 1fr;gap:32px;display:grid}.chart-card{min-height:350px}.chart-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.chart-title{font-size:18px;font-weight:700}.chart-filters{gap:8px;display:flex}.filter-btn{border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:6px;padding:6px 12px;font-size:12px;font-weight:600}.filter-btn.active{background-color:var(--primary);color:#fff;border-color:var(--primary)}.svg-chart-container{width:100%;height:250px;position:relative}.status-pill{text-transform:capitalize;border-radius:12px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.status-pill.online{background-color:var(--success-light);color:var(--success)}.status-pill.offline{background-color:var(--danger-light);color:var(--danger)}.status-pill.unknown{background-color:var(--text-muted);color:var(--bg-sidebar)}.status-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.status-dot.online{background-color:var(--success);box-shadow:0 0 8px var(--success);animation:2s infinite pulseGlow}.status-dot.offline{background-color:var(--danger);box-shadow:0 0 8px var(--danger);animation:1.5s infinite pulseGlow}.table-container{width:100%;margin-top:16px;overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%}th{border-bottom:2px solid var(--border-color);color:var(--text-muted);padding:16px;font-size:14px;font-weight:600}td{border-bottom:1px solid var(--border-color);padding:16px;font-size:14px}tr:hover td{background-color:var(--bg-main)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background-color:#0f172a99;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:500px;box-shadow:var(--shadow-lg);padding:32px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-header h2{font-size:20px;font-weight:700}.modal-close{cursor:pointer;color:var(--text-muted);background:0 0;border:none}.form-group{margin-bottom:20px}.form-group label{margin-bottom:8px;font-size:14px;font-weight:600;display:block}.form-control{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-card);width:100%;transition:var(--transition);padding:10px 14px}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.checkbox-group{cursor:pointer;align-items:center;gap:8px;display:flex}.checkbox-group input{width:18px;height:18px}.monitor-list{flex-direction:column;gap:16px;display:flex}.monitor-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.monitor-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.monitor-main{align-items:center;gap:16px;min-width:0;display:flex}.monitor-details{min-width:0}.monitor-name{margin-bottom:4px;font-size:16px;font-weight:700}.monitor-url{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;max-width:250px;font-size:13px;display:block;overflow:hidden}.monitor-stats{gap:24px;display:flex}.monitor-stat-item{text-align:center}.monitor-stat-label{text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px;margin-bottom:4px;font-size:11px}.monitor-stat-value{font-size:14px;font-weight:700}.monitor-actions{gap:8px;display:flex}.login-wrapper{background:radial-gradient(circle at top right, #2563eb1a, transparent 40%), radial-gradient(circle at bottom left, #10b9810d, transparent 40%), var(--bg-main);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:420px;box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:40px;position:relative}.login-logo{justify-content:center;align-items:center;gap:12px;margin-bottom:32px;font-size:24px;font-weight:800;display:flex}.login-logo svg{color:var(--primary)}.settings-users-list{border:1px solid var(--border-color);border-radius:var(--radius-sm);margin-top:16px}.settings-user-row{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.settings-user-row:last-child{border-bottom:none}.settings-user-info h4{font-size:14px;font-weight:600}.settings-user-info p{color:var(--text-muted);font-size:12px}@media (width<=1024px){.dashboard-grid{grid-template-columns:1fr}}@media (width<=768px){.app-container{flex-direction:column}.sidebar{width:100%;height:auto;padding:16px;position:relative}.sidebar-logo{margin-bottom:16px}.sidebar-nav{flex-direction:row;padding-bottom:8px;overflow-x:auto}.nav-item{white-space:nowrap;padding:8px 12px}.sidebar-footer{display:none}.main-wrapper{margin-left:0;padding:16px}.monitor-card{flex-direction:column;align-items:flex-start;gap:16px}.monitor-stats{justify-content:space-between;width:100%}.monitor-actions{justify-content:flex-end;width:100%}}