:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-accent: #58a6ff;
  --text-green: #3fb950;
  --text-yellow: #d29922;
  --border-color: #30363d;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  margin: 0;
  padding: 20px;
  line-height: 1.6;
}

header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.prompt {
  color: var(--text-green);
  font-weight: bold;
}

.cursor {
  display: inline-block;
  width: 10px;
  height: 20px;
  background-color: var(--text-primary);
  animation: blink 1s infinite;
  vertical-align: middle;
}

@keyframes blink {
  50% { opacity: 0; }
}

a {
  color: var(--text-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

.terminal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 15px;
  margin-bottom: 20px;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 15px;
  padding-bottom: 5px;
  color: var(--text-secondary);
  font-size: 0.8em;
}

textarea, input[type="text"], input[type="number"], select {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-green);
  font-family: var(--font-mono);
  padding: 10px;
  box-sizing: border-box;
  margin-bottom: 10px;
}

button {
  background: transparent;
  color: var(--text-yellow);
  border: 1px solid var(--text-yellow);
  padding: 10px 20px;
  cursor: pointer;
  font-family: var(--font-mono);
  transition: all 0.3s;
}

button:hover {
  background: var(--text-yellow);
  color: var(--bg-primary);
}

.output {
  margin-top: 20px;
  padding: 15px;
  background-color: #000;
  border-left: 3px solid var(--text-green);
  white-space: pre-wrap;
  color: var(--text-primary);
}

.menu-list {
  list-style: none;
  padding: 0;
}

.menu-item {
  margin-bottom: 5px;
}

.menu-item span {
  display: inline-block;
  min-width: 200px;
}

footer {
  text-align: center;
  margin-top: 40px;
  color: var(--text-secondary);
  font-size: 0.8em;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}