:root {
  --bg-dark: #1a1a1a;
  --bg-medium: #2a2a2a;
  --text-light: #f0f0f0;
  --text-dark: #111111;
  --spacing: 1rem;
  --radius: 0.5rem;
  --font-base: 1rem;
  --font-small: 0.875rem;
  --font-large: 1.25rem;
}

body {
  font-family: "Inter", sans-serif;
  font-size: var(--font-base);
  background-color: var(--bg-medium);
  color: var(--text-light);
  margin: 0;
  padding: var(--spacing);
  max-width: 50rem;
  margin-inline: auto;
  line-height: 1.6;
}

h1 {
  font-size: var(--font-large);
  margin-bottom: var(--spacing);
  text-align: center;
}

textarea {
  width: 100%;
  min-height: 12rem;
  padding: 0.75rem;
  font-size: 1rem;
  background-color: var(--bg-dark);
  color: var(--text-light);
  border: 1px solid #444;
  border-radius: var(--radius);
  overflow: hidden;
  resize: vertical;
  margin-bottom: var(--spacing);
  box-sizing: border-box;
}

button {
  background-color: var(--text-light);
  color: var(--text-dark);
  border: none;
  padding: 0.5rem 1rem;
  font-size: var(--font-small);
  border-radius: var(--radius);
  cursor: pointer;
  transition: filter 0.15s ease-in-out, background-color 0.15s ease-in-out,
    color 0.15s ease-in-out;
}

button:hover {
  filter: brightness(90%);
}

button.copied, button.downloaded {
  background-color: #0056b3;
  color: var(--text-light);
}

.fragment {
  background-color: var(--bg-dark);
  border: 1px solid #333;
  border-radius: var(--radius);
  padding: var(--spacing);
  margin-bottom: var(--spacing);
}

.fragment h3 {
  margin-top: 0;
  font-size: 1.1rem;
  border-bottom: 1px solid #444;
  padding-bottom: 0.5rem;
}

.code-preview {
  background: #111;
  padding: 1rem;
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 15rem;
  overflow-y: auto;
  color: #ccc;
  margin-bottom: 1rem;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.status {
  margin-top: 1.5rem;
  font-size: var(--font-small);
  text-align: center;
}

#processBtn {
  display: block;
  margin: 0 auto var(--spacing);
}