.charts-page {
  max-width: 1400px;
  padding: 20px;
}

.chart-container {
  margin: 20px 0;
  padding: 20px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.filter-controls {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  padding: 16px;
  background: var(--card-bg);
  border-radius: 12px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-group label {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
}

.filter-group select,
.filter-group input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  margin-bottom: 20px;
  text-decoration: none;
}

.back-button:hover {
  opacity: 0.9;
}

.charts-page h1 {
  color: var(--text);
  margin-bottom: 24px;
}

.charts-page h2 {
  color: var(--text);
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-box {
  padding: 16px;
  background: var(--card-bg);
  border-radius: 12px;
  text-align: center;
}

.stat-box .label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

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