:root {
  --primary: #3b82f6;
  --secondary: #6366f1;
  --accent: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #1f2937;
  --darker: #111827;
  --light: #f9fafb;
  --border: #e5e7eb;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --sidebar-width: 250px;
  --header-height: 70px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --border-radius: 8px;
  --transition: all 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--light);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Dashboard Layout */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--dark);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  z-index: 1000;
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.logo i {
  font-size: 1.5rem;
  color: var(--primary);
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
}

.sidebar-nav ul {
  list-style: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  color: rgba(255, 255, 255, 0.8);
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.nav-item.active {
  border-right: 3px solid var(--primary);
}

.nav-item i {
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.avatar {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.user-role {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  height: var(--header-height);
  background: white;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  box-shadow: var(--shadow);
}

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

.page-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.header-actions {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  position: relative;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-btn:hover {
  background: var(--light);
}

.notification-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--danger);
  color: white;
  font-size: 0.7rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tab Content */
.tab-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.tab-panel {
  display: none;
}

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

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.metric-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.metric-info {
  flex: 1;
}

.metric-info h3 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.metric-trend {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
}

.metric-trend.positive {
  color: var(--success);
}

.metric-trend.negative {
  color: var(--danger);
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.chart-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

.chart-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

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

.chart-btn {
  padding: 0.25rem 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.chart-btn.active,
.chart-btn:hover {
  background: var(--primary);
  color: white;
}

.chart-container {
  padding: 1.5rem;
  height: 300px;
}

/* Resource Monitors */
.resource-monitors {
  padding: 1.5rem;
}

.resource-item {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.resource-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--success), var(--primary));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.resource-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: right;
  min-width: 40px;
}

/* Activity Section */
.activity-section {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.activity-section h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.activity-list {
  max-height: 300px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

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

.activity-icon {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.activity-icon.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}
.activity-icon.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}
.activity-icon.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}
.activity-icon.info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.activity-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* API Monitor Styles */
.api-monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.api-list {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

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

.api-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.api-method {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  min-width: 60px;
  text-align: center;
}

.api-method.get {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}
.api-method.post {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}
.api-method.put {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}
.api-method.delete {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.api-endpoint {
  font-family: "Monaco", "Consolas", monospace;
  font-size: 0.9rem;
  font-weight: 500;
}

.api-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.api-status {
  display: flex;
  align-items: center;
  gap: 1rem;
}

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

.status-indicator.online {
  background: var(--success);
}
.status-indicator.offline {
  background: var(--danger);
}

.response-time {
  font-size: 0.875rem;
  color: var(--text-secondary);
  min-width: 60px;
}

/* Database Styles */
.db-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.db-actions {
  display: flex;
  gap: 1rem;
}

.db-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.db-stat-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.db-stat-card h4 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.db-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.db-stat-change {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.db-tables {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.db-tables h4 {
  margin-bottom: 1rem;
}

.table-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.table-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
}

.table-name {
  font-weight: 500;
  font-family: "Monaco", "Consolas", monospace;
}

.table-details {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.table-actions {
  display: flex;
  gap: 0.5rem;
}

.table-action {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.table-action:hover {
  background: var(--light);
}

/* Server Styles */
.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.server-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

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

.server-header h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

.server-status {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.server-status.online {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.server-info {
  margin-bottom: 1rem;
}

.server-info span {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.server-actions {
  display: flex;
  gap: 0.5rem;
}

.server-btn {
  flex: 1;
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.8rem;
}

.server-btn:hover {
  background: var(--primary);
  color: white;
}

/* Logs Styles */
.logs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.log-filters {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.log-filter {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: white;
}

.logs-container {
  background: var(--darker);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.log-terminal {
  height: 500px;
  padding: 1rem;
  font-family: "Monaco", "Consolas", monospace;
  font-size: 0.875rem;
  color: #00ff00;
  background: var(--darker);
  overflow-y: auto;
  line-height: 1.4;
}

.log-entry {
  margin-bottom: 0.25rem;
  opacity: 0.8;
}

.log-entry.error {
  color: #ff6b6b;
}
.log-entry.warning {
  color: #feca57;
}
.log-entry.info {
  color: #74b9ff;
}
.log-entry.success {
  color: #00b894;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--light);
}

.test-btn {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.test-btn:hover {
  background: #2563eb;
}

.test-btn.testing {
  background: var(--warning);
  animation: pulse 1s infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .header {
    padding: 0 1rem;
  }

  .tab-content {
    padding: 1rem;
  }
}