:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1a1a1a;
  --hint: #555555;
  --muted: #888888;
  --panel-bg: #f5f5f5;
  --border: #dddddd;
  --input-bg: #ffffff;
  --input-text: #1a1a1a;
  --button-bg: #2563eb;
  --button-text: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17212b;
    --text: #f5f5f5;
    --hint: #a8b3bd;
    --muted: #8a97a3;
    --panel-bg: #242f3d;
    --border: #34404d;
    --input-bg: #2b3847;
    --input-text: #f5f5f5;
  }
}

body {
  font-family: system-ui, sans-serif;
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1rem;
  background: var(--bg);
  color: var(--text);
}
header h1 { margin-bottom: 0.2rem; }
.hint { color: var(--hint); font-size: 0.9rem; }
.step {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.step.hidden { display: none; }
.result {
  background: var(--panel-bg);
  color: var(--text);
  border-radius: 6px;
  padding: 0.75rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.85rem;
  max-height: 300px;
  overflow: auto;
}
label { display: block; margin: 0.5rem 0; color: var(--text); }
input, select, textarea {
  font-family: inherit;
  padding: 0.3rem 0.5rem;
  margin-left: 0.3rem;
  background: var(--input-bg);
  color: var(--input-text);
  border: 1px solid var(--border);
  border-radius: 4px;
}
button {
  background: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  margin-top: 0.5rem;
}
button:hover { filter: brightness(0.9); }
.endpoint {
  border-top: 1px solid var(--border);
  padding: 0.6rem 0;
}
.endpoint-title {
  font-weight: 600;
  font-family: monospace;
  color: var(--text);
}
.tag-group h3 {
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--muted);
}
.doc-item { display: block; color: var(--text); }