.analytics-tab {
  padding: 20px;
  background: #0f111a;
  color: #fff;
  border-radius: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: #1b1e2e;
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 0 8px #222;
  text-align: center;
}

.stat-card h4 {
  font-size: 1.1rem;
  color: #aaa;
}

.stat-card p {
  font-size: 1.8rem;
  font-weight: bold;
  color: #66f;
}

.chart-section {
  margin-top: 40px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.chart-header select {
  background: #111;
  color: #fff;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 4px 8px;
}

.footer-cta {
  margin-top: 32px;
  text-align: center;
}

.btn-export {
  background: linear-gradient(45deg, #2980b9, #8e44ad);
  padding: 12px 24px;
  color: #fff;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-weight: bold;
}