/* custom-styles.css */
:root {
  --primary-color: #2E7D32;
  --secondary-color: #A5D6A7;
  --background-color: #E8F5E9;
  --text-color: #1B5E20;
  --border-color: #C8E6C9;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: "Roboto", sans-serif;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}
a:hover {
  color: var(--secondary-color);
}

h1, h2, h3, h4 {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.navigation-wrapper {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 8px;
  padding: 1em;
}

.symbol, .samples-container {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin: 1em 0;
  padding: 0.75em;
  background: white;
  transition: box-shadow 0.3s ease;
}
.symbol:hover, .samples-container:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}