:root {
  --bg-color: #0d1117;
  --card-bg: #161b22;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --accent-color: #58a6ff;
  --success-color: #238636;
  --border-color: #30363d;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}

#app {
  width: 100%;
  max-width: 1200px;
  padding: 2rem;
}

.dashboard-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.dashboard-header h1 {
  font-size: 2.5rem;
  margin: 0;
  background: linear-gradient(120deg, var(--accent-color), #bc8cff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.server-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
}

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

.server-card h3 {
  margin: 0;
  font-size: 1.25rem;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-online {
  background: #23863633;
  color: #3fb950;
  border: 1px solid #238636;
}

.metrics-row {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.metric-item {
  flex: 1;
}

.metric-val {
  font-weight: 600;
  display: block;
}

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

.analytics-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 3rem;
}

.analytics-section h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

#usage-chart {
  width: 100%;
  height: 400px;
}