/* Remove default browser margin */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#main-content {
  flex: 1;
}

#main-chart {
  width: 100%;
}

.footer {
  background: #f3f4f6;
  border-top: 1px solid #e5e7eb;
  padding: 16px;
  text-align: center;
  font-size: 14px;
  color: #6b7280;
  margin-top: auto;
  position: relative;
  z-index: 100;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-link {
  color: #6b7280;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.15s;
}

.footer-link:hover {
  background: #f3f4f6;
  color: #1f2937;
}

@media (max-width: 768px) {
  .footer-links {
    gap: 12px;
  }
}