nav { font-family: monospace; font-size: 0.85em; padding: 12px 20px; }
nav a { color: inherit; text-decoration: none; }
nav a:hover { text-decoration: underline; }

body { margin: 0; font-family: monospace; background: #f8f8f8; }

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1 { font-size: 1.4em; margin: 0 0 32px; }

.tabs {
  display: flex;
  position: relative;
  border-bottom: 1px solid #e0e0e0;
  gap: 0;
}

.tab {
  font-family: monospace;
  font-size: 0.9em;
  padding: 10px 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: #aaa;
  transition: color 0.2s ease;
  position: relative;
}

.tab:hover { color: #555; }

.tab.active { color: #222; }

.indicator {
  position: absolute;
  bottom: -1px;
  height: 2px;
  background: #222;
  transition: transform 0.25s ease, width 0.25s ease;
}

.panels { padding-top: 32px; }

.panel { display: none; }
.panel.active { display: block; }

.panel h3 {
  font-size: 1em;
  margin: 0 0 12px;
}

.panel p {
  color: #555;
  line-height: 1.6;
  font-size: 0.9em;
  margin: 0;
}

.panel code {
  background: #e0e0e0;
  padding: 2px 5px;
  font-family: monospace;
}