/* General page styling */
body {
  font-family: Arial, sans-serif;
  background-color: #3b3b3b;
  color: #ffffff;
  max-width: 800px;
  margin: 40px auto;
  line-height: 1.6;
  padding: 0 20px;
}

h1, h2 {
  color: #ffffff;
}

a {
  color: #00aaff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  margin-left: 20px;
}

/* Tabs layout */
.tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

/* Tab buttons */
.tab-button {
  background: #555;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.tab-button.active {
  background: #00aaff;
}

.tab-button:hover {
  background: #0077cc;
}

/* Tab content visibility */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}