/* Warehouse AI v2 - Glassmorphism Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Light theme */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  
  /* Accent colors */
  --gradient-start: #00d4ff;
  --gradient-end: #00ff88;
  --accent-blue: #0ea5e9;
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  
  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  /* Surfaces */
  --surface: #ffffff;
  --surface-hover: #f8fafc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --surface: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.08);
  }
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s ease;
}

/* App Container */
.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 2rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #0f172a;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ai-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.1));
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-green);
}

.ai-status i {
  font-size: 1.1rem;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 2s infinite;
}

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

/* AI Banner */
.ai-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ai-insight {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: var(--glass-shadow);
}

.ai-insight i {
  font-size: 1.5rem;
  color: var(--accent-green);
}

.ai-insight.warning i {
  color: var(--accent-orange);
}

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

.insight-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.insight-desc {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* KPI Section */
.kpi-section {
  margin-bottom: 1.5rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.kpi-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--glass-shadow);
}

.kpi-card.accent {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.1));
  border-color: rgba(0, 255, 136, 0.3);
}

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

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.kpi-trend.up {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.kpi-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.kpi-chart {
  height: 40px;
}

.kpi-sparkline {
  display: flex;
  gap: 0.25rem;
  align-items: flex-end;
}

.kpi-sparkline span {
  font-size: 0.9rem;
}

/* Map Section */
.map-section {
  margin-bottom: 1.5rem;
}

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

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.view-toggle {
  display: flex;
  gap: 0.25rem;
  background: var(--bg-secondary);
  padding: 0.25rem;
  border-radius: 8px;
}

.toggle-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-btn.active {
  background: var(--surface);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.warehouse-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 1024px) {
  .warehouse-map {
    grid-template-columns: repeat(2, 1fr);
  }
}

.map-zone {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--glass-shadow);
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.map-zone.robotics {
  border-color: rgba(0, 212, 255, 0.3);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 255, 136, 0.05));
}

.map-zone.cold {
  border-color: rgba(56, 189, 248, 0.3);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.05), rgba(147, 197, 253, 0.05));
}

.map-zone.highbay {
  border-color: rgba(139, 92, 246, 0.3);
}

.map-zone.outbound {
  border-color: rgba(249, 115, 22, 0.3);
}

.zone-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.zone-type {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.robot-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.robot {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem;
  background: var(--surface);
  border-radius: 8px;
  font-size: 0.8rem;
}

.robot-id {
  font-weight: 600;
}

.robot-status {
  color: var(--accent-green);
  font-size: 0.75rem;
}

.zone-temp {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.temp-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.temp-status {
  font-size: 0.8rem;
  color: var(--accent-green);
}

.rack-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.dock-status {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dock {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem;
  background: var(--surface);
  border-radius: 6px;
  font-size: 0.8rem;
}

.dock-num {
  font-weight: 600;
}

.dock-state {
  font-size: 0.75rem;
}

.dock-state.loading { color: var(--accent-blue); }
.dock-state.waiting { color: var(--accent-orange); }
.dock-state.empty { color: var(--text-muted); }

.zone-capacity {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.capacity-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.capacity-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 3px;
  transition: width 0.3s;
}

.capacity-bar.cold .capacity-fill {
  background: linear-gradient(90deg, #38bdf8, #93c5fd);
}

.capacity-bar.warning .capacity-fill {
  background: linear-gradient(90deg, #f97316, #fb923c);
}

.zone-capacity .alert {
  color: var(--accent-orange);
}

/* Forecast Section */
.forecast-section {
  margin-bottom: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--glass-shadow);
}

.forecast-controls {
  display: flex;
  gap: 0.5rem;
}

.forecast-select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
}

.forecast-chart {
  margin: 1.5rem 0;
  height: 200px;
}

.forecast-insights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.insight-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border-radius: 12px;
}

.insight-card i {
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.insight-text {
  display: flex;
  flex-direction: column;
}

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

.insight-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Robotics Section */
.robotics-section {
  margin-bottom: 1.5rem;
}

.robot-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.robot-stats .stat strong {
  color: var(--text-primary);
}

.robot-stats .warning {
  color: var(--accent-orange);
}

.robotics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.robot-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--glass-shadow);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
}

.robot-card.maintenance {
  border-color: rgba(249, 115, 22, 0.3);
}

.robot-avatar {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: 12px;
}

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

.robot-name {
  font-weight: 600;
  color: var(--text-primary);
}

.robot-task {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.robot-metrics {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.metric {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.metric-label {
  color: var(--text-muted);
  min-width: 60px;
}

.metric-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-secondary);
  border-radius: 2px;
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  background: var(--accent-green);
  border-radius: 2px;
}

.metric-value {
  font-weight: 600;
  color: var(--text-primary);
  min-width: 40px;
}

.metric-value.warning {
  color: var(--accent-orange);
}

.robot-status-badge {
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  text-align: center;
}

.robot-status-badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.robot-status-badge.warning {
  background: rgba(249, 115, 22, 0.15);
  color: var(--accent-orange);
}

/* Alerts Section */
.alerts-section {
  margin-bottom: 1.5rem;
}

.alert-filters {
  display: flex;
  gap: 0.25rem;
}

.filter-btn {
  padding: 0.4rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--surface);
  color: var(--text-primary);
}

.alerts-stream {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.alert-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: var(--glass-shadow);
}

.alert-item.critical {
  border-color: rgba(239, 68, 68, 0.3);
}

.alert-item.warning {
  border-color: rgba(249, 115, 22, 0.3);
}

.alert-item.success {
  border-color: rgba(16, 185, 129, 0.3);
}

.alert-icon {
  font-size: 1.25rem;
}

.alert-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.alert-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.alert-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

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

/* Subscription Section */
.subscription-section {
  margin-bottom: 1.5rem;
}

.subscription-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.subscription-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.subscription-card.featured {
  border-color: rgba(0, 255, 136, 0.3);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 255, 136, 0.05));
}

.subscription-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.75rem;
  background: var(--bg-secondary);
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.subscription-badge.popular {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #0f172a;
}

.subscription-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.subscription-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.subscription-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.subscription-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.subscription-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.subscription-features li i {
  font-size: 1.1rem;
}

.subscription-features li i.ph-check {
  color: var(--accent-green);
}

.subscription-features li i.ph-x {
  color: var(--text-muted);
}

.subscription-btn {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--surface);
  color: var(--text-primary);
  transition: all 0.2s;
}

.subscription-btn:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.subscription-btn.featured {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #0f172a;
}

.subscription-btn.featured:hover {
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .warehouse-map {
    grid-template-columns: 1fr;
  }
  
  .robot-card {
    grid-template-columns: 1fr;
  }
  
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}