:root {
  --bg-dark: #0A0D14;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(26, 35, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(59, 130, 246, 0.3);

  --color-green: #10B981;
  --color-green-glow: rgba(16, 185, 129, 0.25);
  --color-red: #EF4444;
  --color-red-glow: rgba(239, 68, 68, 0.25);
  --color-blue: #3B82F6;
  --color-blue-glow: rgba(59, 130, 246, 0.25);
  --color-purple: #8B5CF6;
  --color-purple-glow: rgba(139, 92, 246, 0.25);
  --color-amber: #F59E0B;

  --text-main: #F3F4F6;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;

  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

/* Background Glowing Orbs */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.bg-glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #3B82F6 0%, transparent 70%);
  top: -100px;
  left: -100px;
}
.bg-glow-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8B5CF6 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #1E293B, #0F172A);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
  position: relative;
}

.pulse-svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-blue);
  filter: drop-shadow(0 0 4px var(--color-blue));
}

.live-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background-color: var(--color-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-green);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); 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); }
}

.brand-text h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #FFFFFF, #93C5FD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-green);
  letter-spacing: 0.5px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-green);
}
.status-dot.pulsing {
  box-shadow: 0 0 10px var(--color-green);
  animation: pulse-ring 2s infinite;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #3B82F6, #2563EB);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #60A5FA, #3B82F6);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-warning {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: #FBBF24;
}
.btn-warning:hover {
  background: rgba(245, 158, 11, 0.25);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}
.btn-icon {
  padding: 8px;
  border-radius: var(--radius-md);
}

/* Main Container */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 24px;
  position: relative;
  z-index: 1;
}

/* Metrics KPI Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.metric-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.metric-title {
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.metric-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.metric-icon svg {
  width: 20px;
  height: 20px;
}

.icon-blue { background: rgba(59, 130, 246, 0.12); color: var(--color-blue); }
.icon-green { background: rgba(16, 185, 129, 0.12); color: var(--color-green); }
.icon-red { background: rgba(239, 68, 68, 0.12); color: var(--color-red); }
.icon-purple { background: rgba(139, 92, 246, 0.12); color: var(--color-purple); }

.metric-value-group {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.metric-value {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-family);
  letter-spacing: -1px;
}

.metric-trend {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.trend-positive {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
}

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

.metric-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
}
.metric-badge.has-incident {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-red);
  animation: pulse-ring 2s infinite;
}

.metric-bar-bg {
  height: 4px;
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}
.metric-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s ease;
}
.fill-blue { background: var(--color-blue); }
.fill-green { background: var(--color-green); }
.fill-red { background: var(--color-red); }
.fill-purple { background: var(--color-purple); }

/* Controls & Filter Bar */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.nav-tabs {
  display: flex;
  background: rgba(18, 24, 38, 0.8);
  border: 1px solid var(--border-color);
  padding: 4px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-family);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab-btn:hover {
  color: var(--text-main);
}
.tab-btn.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.filter-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

#search-filter {
  padding-left: 36px;
  width: 240px;
}

.form-control, .form-select {
  background: rgba(18, 24, 38, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Tab Content Visibility */
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* Services Cards Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.service-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.service-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.service-url {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-muted);
  word-break: break-all;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.status-badge.up {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.down {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
  animation: pulse-ring 2s infinite;
}

.status-badge.pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.tag-pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.service-telemetry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
}
.telemetry-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}
.telemetry-val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

/* History sparkbar blocks */
.uptime-sparkbar {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-bottom: 16px;
  height: 24px;
}
.spark-block {
  flex: 1;
  height: 100%;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.15s ease;
  position: relative;
}
.spark-block:hover {
  transform: scaleY(1.2);
}
.spark-block.up { background-color: var(--color-green); }
.spark-block.down { background-color: var(--color-red); }

.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  margin-top: 4px;
}

.card-actions {
  display: flex;
  gap: 6px;
}

/* Incident Feed & Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.incident-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.2);
  margin-bottom: 12px;
}
.incident-item.active {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.05);
}

.incident-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.incident-icon.active { background: rgba(239, 68, 68, 0.2); color: var(--color-red); }
.incident-icon.resolved { background: rgba(16, 185, 129, 0.2); color: var(--color-green); }

.incident-body {
  flex: 1;
}
.incident-title {
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.incident-msg {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.incident-time {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Alert Channels */
.alerts-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}
@media (max-width: 900px) {
  .alerts-layout { grid-template-columns: 1fr; }
}

.channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.2);
  margin-bottom: 12px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  transform: translateY(20px);
  transition: transform 0.25s ease;
}
.modal.modal-lg {
  max-width: 800px;
}
.modal-backdrop.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal-close:hover { color: white; }

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}
.form-control, .form-select {
  width: 100%;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
}

.toast {
  background: #1E293B;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-blue);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-main);
  animation: slide-in 0.3s ease;
}
.toast.toast-error { border-left-color: var(--color-red); }
.toast.toast-success { border-left-color: var(--color-green); }

@keyframes slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Utility */
.font-mono { font-family: var(--font-mono); }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.margin-top { margin-top: 16px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th, .data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
}
.data-table th {
  color: var(--text-muted);
  font-weight: 600;
}