@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --success: #10b981;
  --info: #3b82f6;
  --warn: #f59e0b;
  --error: #ef4444;
  --accent: #6366f1;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

.monitor-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.monitor-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

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

.monitor-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.instance-badge {
  background: var(--bg-tertiary);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--error);
  animation: pulse 2s infinite;
}

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

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

.stats-bar {
  display: flex;
  gap: 1.5rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* Controls */
.controls-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

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

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

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

.btn:hover {
  background: var(--bg-tertiary);
  opacity: 0.8;
}

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

.btn-secondary {
  background: var(--bg-tertiary);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.filter-group select,
.filter-group input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
}

.filter-group input {
  width: 200px;
}

/* Content */
.monitor-content {
  flex: 1;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  padding: 1rem;
  overflow: hidden;
}

.logs-panel,
.stats-panel {
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.panel-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.log-count {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Logs Container */
.logs-container {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.logs-container::-webkit-scrollbar {
  width: 8px;
}

.logs-container::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.logs-container::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.log-entry {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  border-left: 3px solid;
  background: var(--bg-tertiary);
  font-size: 0.85rem;
  font-family: 'Monaco', 'Menlo', monospace;
  transition: all 0.2s;
  animation: slideIn 0.3s ease;
}

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

.log-entry:hover {
  background: var(--bg-secondary);
}

.log-entry.log-success {
  border-left-color: var(--success);
}

.log-entry.log-info {
  border-left-color: var(--info);
}

.log-entry.log-warn {
  border-left-color: var(--warn);
}

.log-entry.log-error {
  border-left-color: var(--error);
}

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

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

.log-level {
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.log-level.level-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.log-level.level-info {
  background: rgba(59, 130, 246, 0.2);
  color: var(--info);
}

.log-level.level-warn {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warn);
}

.log-level.level-error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error);
}

.log-category {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.log-message {
  color: var(--text-primary);
  margin: 0.5rem 0;
  word-break: break-word;
}

.log-data {
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--bg-primary);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  overflow-x: auto;
}

.log-empty {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

/* Stats Grid */
.stats-grid {
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  overflow-y: auto;
}

.stat-card {
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--border-color);
}

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

.stat-info {
  flex: 1;
}

.stat-title {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.stat-number {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-status {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.stat-status.online {
  color: var(--success);
}

.stat-status.offline {
  color: var(--error);
}

/* Footer */
.monitor-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.footer-left,
.footer-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.separator {
  color: var(--text-muted);
}

.monitor-footer a {
  color: var(--accent);
  text-decoration: none;
}

.monitor-footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 1200px) {
  .monitor-content {
    grid-template-columns: 1fr;
  }
  
  .stats-panel {
    max-height: 300px;
  }
}