/* Modern Dark Glassmorphism Design System - Proxmox & Server DC Monitoring */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(26, 38, 64, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.4);
  
  --primary: #3b82f6;
  --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.4);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.4);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.4);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 40px;
  overflow-x: hidden;
}

/* Header Navbar */
header.app-header {
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.brand-title h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #ffffff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-title p {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 1. Live Status Badge Pill */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 12px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.22);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: #34d399;
  letter-spacing: 0.2px;
  user-select: none;
  box-sizing: border-box;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* 2. Cohesive Action Buttons Group */
.header-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-btn {
  height: 36px;
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(18, 26, 43, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  user-select: none;
  box-sizing: border-box;
}

.header-btn i {
  font-size: 13px;
  color: #94a3b8;
  transition: color 0.2s ease;
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.25);
}

.header-btn:hover i {
  color: #60a5fa;
}

.header-btn:active {
  transform: translateY(0);
}

/* Auto Refresh Active State */
.header-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18) 0%, rgba(37, 99, 235, 0.28) 100%);
  border-color: rgba(96, 165, 250, 0.45);
  color: #93c5fd;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.2);
}

.header-btn.active i {
  color: #60a5fa;
  text-shadow: 0 0 8px rgba(96, 165, 250, 0.6);
}

/* Export PDF Button Style */
.header-btn.btn-pdf {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.header-btn.btn-pdf i {
  color: #f87171;
}

.header-btn.btn-pdf:hover {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.22) 0%, rgba(220, 38, 38, 0.32) 100%);
  border-color: rgba(239, 68, 68, 0.55);
  color: #ffffff;
  box-shadow: 0 3px 12px rgba(239, 68, 68, 0.25);
}

.header-btn.btn-pdf:hover i {
  color: #ffffff;
}

.header-btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* 3. User Profile & Logout Capsule */
.user-profile-badge {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 5px 0 8px;
  background: rgba(18, 26, 43, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
  transition: all 0.2s ease;
}

.user-profile-badge:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 11px;
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.user-name {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: 0.2px;
}

.user-role {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 700;
  color: #34d399;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.user-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 2px;
}

.btn-logout {
  height: 26px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 13px;
  border: 1px solid rgba(239, 68, 68, 0.25);
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-logout i {
  font-size: 11px;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: rgba(239, 68, 68, 0.55);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
  transform: translateY(-1px);
}

.btn-logout:active {
  transform: translateY(0);
}

/* Main Container Layout */
main.container {
  max-width: 1440px;
  margin: 24px auto;
  padding: 0 24px;
}

/* Summary Grid Cards */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.metric-icon.blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.metric-icon.purple { background: rgba(139, 92, 246, 0.15); color: #c084fc; }
.metric-icon.green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.metric-icon.orange { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }

.metric-info h3 {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  font-size: 26px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.metric-sub {
  font-size: 12px;
  color: var(--text-dim);
}

/* ========================================================
   EXECUTIVE PHYSICAL SERVER TOPOLOGY BANNER
   ======================================================== */
.physical-topology-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.85) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.physical-topology-banner .banner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.physical-topology-banner .banner-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.physical-topology-banner .banner-title h3 {
  font-size: 15.5px;
  font-weight: 700;
  color: #f9fafb;
  letter-spacing: -0.2px;
}

.physical-topology-banner .banner-title p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.banner-total-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 12.5px;
  color: #34d399;
}

.physical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.physical-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.physical-item:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.5);
  background: rgba(30, 41, 59, 0.7);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.physical-item.highlight-cluster {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(180, 83, 9, 0.15) 100%), rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(245, 158, 11, 0.4);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.15);
}

.physical-item.highlight-cluster:hover {
  border-color: rgba(245, 158, 11, 0.8);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.physical-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.phys-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2.5px 7px;
  border-radius: 5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.phys-badge.s1 { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.phys-badge.s2 { background: rgba(139, 92, 246, 0.2); color: #d8b4fe; }
.phys-badge.s3 { background: rgba(245, 158, 11, 0.25); color: #fde047; }
.phys-badge.s4 { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.phys-badge.s5 { background: rgba(6, 182, 212, 0.22); color: #67e8f9; }
.phys-badge.s6 { background: rgba(236, 72, 153, 0.22); color: #f472b6; }

.phys-count {
  font-size: 11.5px;
  font-weight: 700;
  color: #cbd5e1;
}

.phys-count.highlight {
  color: #fbbf24;
  font-size: 12.5px;
}

.phys-name {
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
}

.phys-specs {
  font-size: 11px;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 5px;
}

.phys-ip {
  font-size: 11px;
  color: #38bdf8;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
}

.phys-ip code {
  background: rgba(0, 0, 0, 0.3);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Physical Hardware Chip on Node Cards */
.physical-hardware-chip {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 6px;
  padding: 5px 9px;
  font-size: 11.5px;
  color: #bae6fd;
  margin: 8px 0 6px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.physical-hardware-chip.cluster-node {
  background: rgba(245, 158, 11, 0.09);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fde68a;
}

.physical-hardware-chip i {
  color: #38bdf8;
}

.physical-hardware-chip.cluster-node i {
  color: #fbbf24;
}

.physical-hardware-chip strong {
  color: #ffffff;
}

.physical-hardware-chip code {
  font-family: var(--font-mono);
  color: #7dd3fc;
  background: rgba(0, 0, 0, 0.25);
  padding: 1px 4px;
  border-radius: 4px;
}

/* Filter Controls & Navigation Bar */
.control-bar {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-main);
}

.server-tabs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  background: rgba(11, 15, 25, 0.65);
  padding: 5px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: visible !important;
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
  width: 100%;
  box-sizing: border-box;
}

.server-tabs::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

.tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  user-select: none;
  width: 100%;
  box-sizing: border-box;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.28) 0%, rgba(37, 99, 235, 0.4) 100%);
  border-color: rgba(96, 165, 250, 0.55);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.tab-btn.active i {
  color: #60a5fa;
  text-shadow: 0 0 10px rgba(96, 165, 250, 0.6);
}

.tab-label {
  letter-spacing: -0.1px;
}

.tab-chip {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  letter-spacing: 0.3px;
}

.tab-btn.active .tab-chip {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.tab-chip.all {
  background: rgba(59, 130, 246, 0.25);
  color: #93c5fd;
}
.tab-btn.active .tab-chip.all {
  background: rgba(59, 130, 246, 0.5);
  color: #ffffff;
}

.tab-chip.cluster {
  background: rgba(245, 158, 11, 0.25);
  color: #fbbf24;
}
.tab-btn.active .tab-chip.cluster {
  background: rgba(245, 158, 11, 0.5);
  color: #fef08a;
}

.tab-chip.nutanix {
  background: rgba(16, 185, 129, 0.25);
  color: #6ee7b7;
}
.tab-btn.active .tab-chip.nutanix {
  background: rgba(16, 185, 129, 0.5);
  color: #ffffff;
}

.tab-chip.bkpsdm {
  background: rgba(6, 182, 212, 0.25);
  color: #67e8f9;
}
.tab-btn.active .tab-chip.bkpsdm {
  background: rgba(6, 182, 212, 0.5);
  color: #ffffff;
}

.tab-chip.librenms {
  background: rgba(236, 72, 153, 0.25);
  color: #f472b6;
}
.tab-btn.active .tab-chip.librenms {
  background: rgba(236, 72, 153, 0.5);
  color: #ffffff;
}

.control-tools-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.search-box {
  position: relative;
  flex: 1 1 320px;
  max-width: 480px;
}

.search-box input {
  width: 100%;
  font-family: var(--font-sans);
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 14px 8px 36px;
  color: var(--text-main);
  font-size: 13.5px;
  outline: none;
  transition: all 0.2s ease;
}

.search-box input:focus {
  border-color: var(--primary);
  background: rgba(11, 15, 25, 0.85);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 13.5px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

select.status-filter {
  font-family: var(--font-sans);
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

select.status-filter:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

select.status-filter option {
  background: var(--bg-dark);
  color: var(--text-main);
}

/* Server Cards Grid View */
.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(12px);
  transition: all 0.25 ease;
  position: relative;
  overflow: hidden;
}

.node-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.node-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary-gradient);
}

.node-card.warning-load::before {
  background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.node-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.node-title-group h2 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.node-title-group p {
  font-size: 12px;
  color: var(--text-muted);
}

.status-tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
}

.status-tag.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-tag.warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-tag.offline {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Resource Gauge & Progress Bars */
.resource-bars {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.bar-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.bar-label span.value {
  font-family: var(--font-mono);
  color: var(--text-main);
  font-weight: 500;
}

.progress-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.green { background: linear-gradient(90deg, #10b981, #34d399); }
.progress-fill.yellow { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.progress-fill.red { background: linear-gradient(90deg, #ef4444, #f87171); }

/* Node Footer Meta */
.node-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
}

.vms-counter {
  display: flex;
  gap: 12px;
}

.counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.counter-badge.running { color: var(--success); }
.counter-badge.stopped { color: var(--text-dim); }

/* Table Container View */
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title h2 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  margin-bottom: 32px;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

table.data-table th {
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
}

table.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}

table.data-table th.sortable:hover {
  background: rgba(59, 130, 246, 0.15);
  color: #fff;
}

table.data-table th.sortable .sort-icon {
  margin-left: 6px;
  font-size: 11px;
  opacity: 0.4;
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

table.data-table th.sortable:hover .sort-icon {
  opacity: 1;
  color: #60a5fa;
}

table.data-table th.sortable.active {
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.1);
  border-bottom-color: rgba(59, 130, 246, 0.5);
}

table.data-table th.sortable.active .sort-icon {
  opacity: 1;
  color: #60a5fa;
}

table.data-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

table.data-table tbody tr {
  transition: background 0.15s ease;
}

table.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.vm-name-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vm-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

.vm-info h4 {
  font-size: 14px;
  font-weight: 600;
}

.vm-info p {
  font-size: 11px;
  color: var(--text-muted);
}

.type-pill {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
}

.type-pill.qemu {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
}

.type-pill.lxc {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
}

.type-pill.docker {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.mono-text {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-main);
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s ease;
}

.close-btn:hover {
  color: #fff;
}

.modal-body {
  padding: 24px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.detail-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.detail-item label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.detail-item p {
  font-size: 14px;
  font-weight: 600;
}

/* Footer */
footer.app-footer {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 40px;
}

/* ============================================================
   LUXURY GLASSMORPHISM LOGIN SCREEN STYLES
   ============================================================ */
.login-screen-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #070a12;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(59, 130, 246, 0.25) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(139, 92, 246, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  overflow: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.login-screen-wrapper.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Ambient Animated Glow Spheres */
.glow-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: floatSphere 12s infinite alternate ease-in-out;
}

.glow-sphere-1 {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.3);
  top: -100px;
  left: -100px;
}

.glow-sphere-2 {
  width: 450px;
  height: 450px;
  background: rgba(139, 92, 246, 0.25);
  bottom: -120px;
  right: -120px;
  animation-delay: -6s;
}

@keyframes floatSphere {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.1); }
}

.login-card {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  width: 100%;
  max-width: 440px;
  padding: 40px 36px;
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.7),
    0 0 40px rgba(59, 130, 246, 0.15);
  position: relative;
  z-index: 10;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 
    0 30px 60px -12px rgba(0, 0, 0, 0.8),
    0 0 50px rgba(59, 130, 246, 0.25);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  border-radius: 18px;
  margin: 0 auto 16px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: #fff;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
  animation: pulseLogo 3s infinite alternate;
}

@keyframes pulseLogo {
  0% { transform: scale(1); box-shadow: 0 0 25px rgba(59, 130, 246, 0.4); }
  100% { transform: scale(1.05); box-shadow: 0 0 40px rgba(139, 92, 246, 0.7); }
}

.login-header h2 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(90deg, #ffffff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.login-header p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Form Controls */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-field-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i.input-icon {
  position: absolute;
  left: 16px;
  color: var(--text-dim);
  font-size: 16px;
  transition: color 0.2s ease;
}

.input-wrapper input {
  width: 100%;
  font-family: var(--font-sans);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 13px 16px 13px 44px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.input-wrapper input:focus {
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.input-wrapper input:focus + i.input-icon,
.input-wrapper input:focus ~ i.input-icon {
  color: var(--primary);
}

.btn-toggle-pwd {
  position: absolute;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  transition: color 0.2s ease;
}

.btn-toggle-pwd:hover {
  color: var(--text-main);
}

/* Error Toast Alert */
.login-error-alert {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: #f87171;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.login-error-alert.shake {
  animation: shakeAlert 0.4s ease;
}

@keyframes shakeAlert {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.btn-submit-login {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
}

.btn-submit-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
  background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
}

.login-card-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-dim);
}

/* User Profile Badge & Logout Button in Header */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 30px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}

.user-role {
  font-size: 10px;
  color: #34d399;
  font-weight: 500;
  text-transform: uppercase;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fff;
  border-color: rgba(239, 68, 68, 0.6);
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

@media (max-width: 1024px) {
  .server-tabs {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  header.app-header {
    padding: 12px 16px;
  }
  main.container {
    padding: 0 16px;
  }
  .server-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .control-tools-row {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box {
    max-width: 100%;
  }
  .search-box input {
    width: 100%;
  }
  .filter-group select {
    width: 100%;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .user-details {
    display: none;
  }
}

/* ==========================================================================
   MAIN NAVIGATION TABS (Dashboard vs Log Infrastructure)
   ========================================================================== */
.main-nav-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.6);
  padding: 5px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.nav-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-tab-btn.active {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.nav-log-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.nav-tab-btn.active .nav-log-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* ==========================================================================
   LOG INFRASTRUCTURE VIEW & CONTROL BAR STYLING
   ========================================================================== */
.log-control-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
}

.log-mode-tabs {
  display: flex;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.log-mode-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.log-mode-btn:hover {
  background: rgba(30, 41, 59, 0.8);
  color: var(--text-main);
  border-color: rgba(59, 130, 246, 0.4);
}

.log-mode-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(37, 99, 235, 0.15) 100%);
  border-color: #3b82f6;
  color: #60a5fa;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

/* Node Picker Container (Per-Node Filter Sub-Bar) */
.node-picker-container {
  padding-top: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.node-picker-header label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.node-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.node-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.node-chip:hover {
  border-color: #38bdf8;
  color: var(--text-main);
  background: rgba(56, 189, 248, 0.1);
}

.node-chip.active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.3) 0%, rgba(2, 132, 199, 0.2) 100%);
  border-color: #38bdf8;
  color: #38bdf8;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.node-chip-server-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

/* Log Level Badges & Table Output */
.log-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.log-badge.info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.log-badge.success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.log-badge.warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.log-badge.error {
  background: rgba(239, 68, 68, 0.18);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
}

.log-id-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #94a3b8;
  background: rgba(15, 23, 42, 0.8);
  padding: 3px 7px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.log-source-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 9px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.log-time-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.log-time-val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-main);
}

.log-node-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  padding: 3px 9px;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.btn-log-detail {
  padding: 5px 12px;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #60a5fa;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-log-detail:hover {
  background: #3b82f6;
  color: #ffffff;
  border-color: #3b82f6;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.btn-node-log {
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: #38bdf8;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-node-log:hover {
  background: #0284c7;
  color: #fff;
  border-color: #0284c7;
}