:root {
  --bg: #121212;
  --fg: #e0e0e0;
  --accent: #1f8ef1;
  --accent-hover: #0f6abf;
  --card-bg: #1e1e1e;
  --border: #333;
  --font: "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  margin: 0;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

label {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  display: block;
}

select,
button {
  padding: 0.6rem 1rem;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}

select {
  background-color: var(--card-bg);
  color: var(--fg);
}

button {
  background-color: var(--accent);
  color: white;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: var(--accent-hover);
}

.container {
  max-width: 800px;
  width: 100%;
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

pre {
  background-color: #181818;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: monospace;
  white-space: pre-wrap;
  line-height: 1.6;
  color: var(--fg);
}

@media (max-width: 600px) {
  body {
    padding: 1rem;
  }

  .container {
    padding: 1.2rem;
  }
}