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

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-pink: #ec4899;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;
  --border-color: #374151;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
}

.title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.header-nav {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-link.active {
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
}

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

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

.btn-logout {
  padding: 0.4rem 0.8rem;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
}

/* Blocker Banner */
.blocker-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: rgba(239, 68, 68, 0.15);
  border-bottom: 1px solid var(--accent-red);
  color: var(--accent-red);
}

.blocker-banner.hidden {
  display: none;
}

.blocker-dismiss {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--accent-red);
  font-size: 1.25rem;
  cursor: pointer;
}

/* Main Content */
.main-content {
  padding: 1.5rem;
  max-width: 1800px;
  margin: 0 auto;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 1.25rem;
  border: 1px solid var(--border-color);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.metric-value.green { color: var(--accent-green); }
.metric-value.red { color: var(--accent-red); }
.metric-value.yellow { color: var(--accent-yellow); }

.metric-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Panels */
.dashboard-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.panel {
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
}

.panel-body {
  padding: 1rem 1.25rem;
  max-height: 400px;
  overflow-y: auto;
}

/* Activity Feed */
.activity-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 60px;
}

.activity-agent {
  font-weight: 500;
  color: var(--accent-cyan);
}

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

/* Blocker Alerts */
.blocker-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  border-left: 3px solid;
}

.blocker-item.critical {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--accent-red);
}

.blocker-item.warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--accent-yellow);
}

.blocker-item.info {
  background: rgba(6, 182, 212, 0.1);
  border-color: var(--accent-cyan);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: rgba(0,0,0,0.2);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 500;
}

.data-table tr:hover {
  background: rgba(255,255,255,0.02);
}

/* Status badges */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.status-active { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.status-idle { background: rgba(156, 163, 175, 0.15); color: var(--text-secondary); }
.status-blocked { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.status-complete { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.status-warning { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }

.status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent-cyan);
  color: white;
}

.btn-primary:hover {
  background: #0891b2;
}

.btn-danger {
  background: var(--accent-red);
  color: white;
}

/* Location Cards */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.location-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 1.25rem;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s;
}

.location-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
}

.location-card.healthy { border-color: var(--accent-green); }
.location-card.warning { border-color: var(--accent-yellow); }
.location-card.critical { border-color: var(--accent-red); }

.location-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.location-name::before {
  content: '●';
  font-size: 0.75rem;
}

.location-card.healthy .location-name::before { color: var(--accent-green); }
.location-card.warning .location-name::before { color: var(--accent-yellow); }
.location-card.critical .location-name::before { color: var(--accent-red); }

.location-stats {
  display: grid;
  gap: 0.5rem;
}

.location-stat {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

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

.location-stat-value {
  font-weight: 500;
}

/* Infrastructure Status */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.infra-item {
  background: var(--bg-card);
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.infra-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.infra-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.infra-dot.online { background: var(--accent-green); }
.infra-dot.offline { background: var(--accent-red); }

/* Search/Filter */
.toolbar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
}

.filter-select {
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
}

/* Priority badges */
.priority {
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.priority-urgent { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }
.priority-high { background: rgba(245, 158, 11, 0.2); color: var(--accent-yellow); }
.priority-normal { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.priority-low { background: rgba(156, 163, 175, 0.2); color: var(--text-secondary); }

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent-cyan);
  transition: width 0.3s;
}

/* Responsive */
@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .dashboard-panels {
    grid-template-columns: 1fr;
  }
  .infra-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .infra-grid {
    grid-template-columns: 1fr;
  }
}

/* Additional color classes */
.green { color: var(--accent-green) !important; }
.yellow { color: var(--accent-yellow) !important; }
.red { color: var(--accent-red) !important; }

/* Clickable metric cards */
.metric-card.clickable:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.2);
}

/* PWA Mobile Responsive Styles */
@media (max-width: 768px) {
  .live-container { padding: 0.5rem; }
  .speed-cards { flex-wrap: wrap; gap: 0.5rem; }
  .speed-card { flex: 1 1 calc(50% - 0.5rem); min-width: 120px; padding: 0.75rem; }
  .speed-value { font-size: 1.2rem; }
  .summary-bar { flex-wrap: wrap; padding: 0.75rem; }
  .summary-item { min-width: 80px; padding: 0.5rem; }
  .summary-item .value { font-size: 1.5rem; }
  .filter-bar { flex-wrap: wrap; gap: 0.5rem; }
  .filter-bar select { flex: 1 1 auto; min-width: 100px; }
  .location-table, .lead-table, .leaderboard-table { font-size: 0.75rem; }
  .location-table th, .lead-table th, .leaderboard-table th { padding: 0.4rem; font-size: 0.65rem; }
  .location-table td, .lead-table td, .leaderboard-table td { padding: 0.4rem; }
  .count-badge { padding: 0.15rem 0.3rem; font-size: 0.7rem; min-width: 24px; }
  .action-cell { white-space: normal; min-width: auto; }
  .action-btn { padding: 0.3rem 0.4rem; font-size: 0.7rem; margin: 0.1rem; }
  .message-preview { max-width: 60px; }
  .view-toggle { flex-direction: column; }
  .toggle-btn { flex: none; }
  .tab-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab-btn { white-space: nowrap; }
  .live-header { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
  .live-header h2 { font-size: 1.1rem; }
  .leaderboard-section h3 { font-size: 0.9rem; }
  .locations { max-width: 100px; }
}

@media (max-width: 480px) {
  .speed-cards { flex-direction: column; }
  .speed-card { flex: 1 1 100%; }
  .summary-bar { justify-content: center; }
  .summary-item { flex: 1 1 calc(50% - 0.5rem); }
  .location-table th:nth-child(6), 
  .location-table th:nth-child(7),
  .location-table td:nth-child(6), 
  .location-table td:nth-child(7) { display: none; }
  .lead-table th:nth-child(3),
  .lead-table th:nth-child(7),
  .lead-table td:nth-child(3),
  .lead-table td:nth-child(7) { display: none; }
}

/* Touch-friendly improvements */
@media (hover: none) {
  .action-btn:active { transform: scale(0.95); opacity: 0.8; }
  .tab-btn:active, .toggle-btn:active, .nav-link:active { opacity: 0.7; }
  .location-table tr:active, .lead-table tr:active { background: rgba(52, 152, 219, 0.2) !important; }
}

/* Dark mode scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0a0a0f; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #444; }