:root {
  --bg-color: #0a0a0f;
  --surface-color: rgba(20, 20, 30, 0.6);
  --surface-hover: rgba(30, 30, 45, 0.8);
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #606078;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Aurora background */
.aurora-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15), transparent),
    radial-gradient(ellipse 60% 50% at 0% 50%, rgba(139, 92, 246, 0.1), transparent),
    radial-gradient(ellipse 60% 50% at 100% 50%, rgba(236, 72, 153, 0.1), transparent);
  animation: aurora-shift 20s ease-in-out infinite;
}

@keyframes aurora-shift {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.8; transform: translateY(-10px); }
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.5));
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.header-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main container */
.main-container {
  padding: 3rem 0;
  min-height: calc(100vh - 200px);
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.filter-tab {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--surface-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.938rem;
  font-weight: 500;
  white-space: nowrap;
}

.filter-tab:hover {
  background: var(--surface-hover);
  border-color: var(--accent-primary);
}

.filter-tab.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-color: transparent;
  color: white;
}

/* Services container - Vertical stack of groups */
.services-container-vertical {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* Service groups */
.service-group {
  width: 100%;
  background: rgba(20, 20, 30, 0.2);
  padding: 1.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.group-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.group-name {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
}

.group-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* Service card base */
.service-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  background: var(--surface-hover);
  transform: translateY(-4px);
  /* Keep shadow consistent with animation during hover */
}

.service-card:hover::before {
  opacity: 1;
}

/* Status specific borders and breathing animations */
.service-card.status-online { 
  border-left: 4px solid var(--success) !important; 
  animation: halo-breathing 8s infinite ease-in-out;
}

.service-card.status-degraded { 
  border-left: 4px solid var(--warning) !important; 
}

.service-card.status-offline { 
  border-left: 4px solid var(--danger) !important; 
  opacity: 0.7;
}

/* Halo Breathing Animation — green glow, box-shadow only */
@keyframes halo-breathing {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  }
  50% {
    box-shadow:
      0 0 16px rgba(16, 185, 129, 0.35),
      0 0 40px rgba(16, 185, 129, 0.18),
      0 0 72px rgba(16, 185, 129, 0.08);
  }
}

.service-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.service-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.service-id {
  font-size: 0.813rem;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
}

.service-status {
  padding: 0.375rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-status.online {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.service-status.degraded {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.service-status.offline {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.service-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}

.service-info-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.info-label {
  color: var(--text-secondary);
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
}

.service-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-text {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.empty-hint {
  font-size: 0.938rem;
  color: var(--text-muted);
}

/* Loading state */
.loading-state {
  text-align: center;
  padding: 4rem 2rem;
}

.spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.connection-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

.indicator.connected {
  background: var(--success);
}

.indicator.connecting {
  background: var(--warning);
}

.indicator.disconnected {
  background: var(--danger);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

/* Delete button (offline cards only) */
.btn-delete {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-delete:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: var(--danger);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .service-group {
    min-width: 100%;
    max-width: 100%;
    max-height: none;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
  }
}