:root {
  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --panel-bg: rgba(30, 41, 59, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --accent-primary: #3b82f6;
  --accent-secondary: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --glass-blur: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-darker);
  color: var(--text-main);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.12), transparent 30%),
    radial-gradient(circle at 90% 80%, rgba(239, 68, 68, 0.08), transparent 30%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

.dashboard-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 1.5rem;
  box-sizing: border-box;
  gap: 1.5rem;
}

/* Header */
.top-nav {
  height: 70px;
  background: var(--panel-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  font-size: 2.2rem;
  color: var(--danger);
  animation: heartbeat 2s infinite ease-in-out;
}

.nav-brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--text-main), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-brand p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-indicator.online {
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.status-indicator.offline {
  background-color: var(--danger);
  box-shadow: 0 0 10px var(--danger);
}

.status-indicator.warning {
  background-color: var(--warning);
  box-shadow: 0 0 10px var(--warning);
}

.back-home-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), rgba(59, 130, 246, 0.5));
  border: none;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.back-home-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.35);
}

/* Layout */
.app-layout {
  display: flex;
  flex: 1;
  gap: 1.5rem;
  overflow: hidden;
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
}

.panel-header {
  padding: 1.25rem 1.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.panel-icon-accent {
  font-size: 1.4rem;
  color: var(--accent-primary);
}

.panel-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.panel-desc {
  padding: 0.75rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Column Elements */
.col-left, .col-center, .col-right {
  display: flex;
  flex-direction: column;
  padding-bottom: 1.5rem;
}

/* Scenario Selectors */
.scenario-selector {
  padding: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}

.scenario-selector label, .input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.scenario-buttons {
  display: flex;
  gap: 0.5rem;
}

.scenario-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.scenario-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

.scenario-btn.active {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent-primary);
  color: var(--text-main);
}

.tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.tag-dot.red { background-color: var(--danger); }
.tag-dot.yellow { background-color: var(--warning); }
.tag-dot.green { background-color: var(--success); }

/* Textarea Input */
.input-group {
  padding: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}

textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  color: var(--text-main);
  font-size: 0.85rem;
  line-height: 1.5;
  resize: none;
  outline: none;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
  font-family: inherit;
}

.action-buttons-row {
  display: flex;
  gap: 0.75rem;
  padding: 0 1.5rem;
  margin-bottom: 1.25rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.flex-1 { flex: 1; }

/* Edge Output Card */
.edge-output-box {
  margin: 0 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  animation: fadeIn 0.4s ease;
}

.edge-output-box h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.edge-metrics-row {
  display: flex;
  gap: 1rem;
}

.edge-metric {
  flex: 1;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
}

.metric-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.edge-metric strong {
  font-size: 1rem;
  font-weight: 700;
}

.tag-badge {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.tag-badge.red-tag { color: var(--danger); }
.tag-badge.yellow-tag { color: var(--warning); }
.tag-badge.green-tag { color: var(--success); }

.local-payload-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.payload-header-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

pre {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 0.5rem;
  padding: 0.75rem;
  overflow-x: auto;
  max-height: 160px;
  overflow-y: auto;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.4;
  color: #a7f3d0;
}

/* Network Controls */
.network-control-box {
  padding: 0.5rem 1.5rem;
  margin-bottom: 1.25rem;
}

.network-toggle-buttons {
  display: flex;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  padding: 3px;
  border-radius: 0.5rem;
}

.net-btn {
  flex: 1;
  padding: 0.5rem;
  border-radius: 0.4rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.net-btn.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.queue-status-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.15);
  padding: 0.6rem 0.8rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  color: var(--warning);
  margin-top: 10px;
  animation: fadeIn 0.3s ease;
}

/* FHIR Translation Box */
.fhir-sync-box {
  flex: 1;
  margin: 0 1.5rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: fadeIn 0.4s ease;
}

.fhir-sync-box h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.fhir-payload-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.fhir-payload-wrapper pre {
  flex: 1;
  max-height: none;
}

.fhir-payload-wrapper code {
  color: #93c5fd;
}

/* Hospitals List */
.hospitals-list {
  padding: 0.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hospital-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  transition: all 0.3s ease;
}

.hospital-card.redirect-highlight {
  border-color: var(--success);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
  background: rgba(16, 185, 129, 0.02);
}

.hospital-card.divert-highlight {
  border-color: var(--danger);
  opacity: 0.7;
}

.hosp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.hosp-header h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.capacity-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
}

.capacity-badge.critical {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.capacity-badge.stable {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.capacity-bar-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.capacity-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1s ease-in-out;
}

.capacity-fill.critical { background: var(--danger); }
.capacity-fill.stable { background: var(--success); }

/* Balancer Alert Box */
.balancer-alert-box {
  margin: 1rem 1.5rem 0;
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 0.75rem;
  padding: 1rem;
  animation: slideIn 0.3s ease, pulseDanger 2s infinite alternate;
}

/* Timeline Log */
.routing-log-card {
  margin-top: 1rem;
}

.routing-log-box {
  margin: 1rem 1.5rem 0;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.routing-log-box h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.timeline-logs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  padding-left: 0.5rem;
}

.timeline-item {
  display: flex;
  gap: 0.75rem;
  font-size: 0.8rem;
  align-items: flex-start;
  animation: fadeIn 0.4s ease;
}

.time-stamp {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-primary);
  font-weight: 700;
  flex-shrink: 0;
}

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

.log-text strong {
  color: var(--text-main);
}

/* Animations */
@keyframes heartbeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.12); }
  28% { transform: scale(1); }
  42% { transform: scale(1.12); }
  70% { transform: scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes pulseDanger {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.2); }
  100% { box-shadow: 0 0 12px 2px rgba(239, 68, 68, 0.4); }
}

.animate-pulse {
  animation: heartbeat 2s infinite ease-in-out;
}

/* Scrollbar adjustment */
pre::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
pre::-webkit-scrollbar-track {
  background: transparent;
}
pre::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
pre::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Responsive grid for smaller screens */
@media (max-width: 1200px) {
  .app-layout {
    flex-direction: column;
    overflow-y: auto;
  }
  .panel {
    flex: none;
    overflow: visible;
  }
  .dashboard-container {
    height: auto;
    overflow: visible;
  }
  .fhir-payload-wrapper pre {
    max-height: 250px;
  }
}