body {
  font-family: 'Inter', sans-serif;
  background-color: #F8F7F4;
  /* Warm Neutral Background */
}

.chart-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  height: 300px;
  max-height: 350px;
}

@media (min-width: 768px) {
  .chart-container {
    height: 350px;
    max-height: 400px;
  }
}

.nav-link {
  transition: color 0.3s, border-bottom-color 0.3s;
}

.nav-link:hover,
.nav-link.active {
  color: #075985;
  /* Accent Color */
  border-bottom-color: #075985;
}

.step-card {
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.step-card.active {
  border-color: #075985;
  box-shadow: 0 0 0 3px rgba(7, 89, 133, 0.2);
}

.record-item.active {
  background-color: #E0E7FF;
  color: #075985;
  font-weight: 600;
}

.tab-button.active {
  background-color: #075985;
  color: white;
}

.config-tab.active {
  background-color: #075985;
  color: white;
  border-color: #075985;
}

.distro-tab.active {
  background-color: #075985;
  color: white;
}

.copy-button {
  transition: background-color 0.2s;
}

.copy-button:hover {
  background-color: #0369a1;
}