.chart-disclaimer {
  font-size: 13px;
  color: #888;
  font-style: italic;
}

.chart-controls {
  margin: 20px 0 10px;
}
.chart-controls h4 {
  font-size: 14px;
  font-weight: 600;
  color: #002138;
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-period-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.chart-period-btn {
  padding: 8px 16px;
  border: 2px solid #01649d;
  background: #fff;
  color: #01649d;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all 0.15s ease;
}
.chart-period-btn:hover {
  background: #e8f4fa;
}
.chart-period-btn.active {
  background: #01649d;
  color: #fff;
}

.chart-type-icons {
  display: flex;
  gap: 8px;
}

.chart-type-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  border: 2px solid #ccc;
  background: #fff;
  color: #555;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  font-weight: 600;
  text-transform: uppercase;
  transition: all 0.15s ease;
}
.chart-type-icon i {
  font-size: 24px;
}
.chart-type-icon:hover {
  border-color: #01649d;
  color: #01649d;
}
.chart-type-icon.active {
  border-color: #01649d;
  background: #e8f4fa;
  color: #01649d;
}

.chart-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.chart-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #555;
  cursor: pointer;
}
.chart-checkbox input[type=checkbox] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: #01649d;
}

.chart-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.chart-powered-by {
  font-size: 13px;
  color: #888;
}
.chart-powered-by strong {
  color: #01649d;
}

@media (max-width: 768px) {
  .chart-period-buttons {
    gap: 2px;
  }
  .chart-period-btn {
    padding: 6px 10px;
    font-size: 11px;
  }
  .chart-type-icons {
    gap: 4px;
  }
  .chart-type-icon {
    padding: 8px 10px;
  }
  .chart-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}