.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 16px 48px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: #111;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.brand {
  font-weight: 900;
  letter-spacing: 0.08em;
}

.card {
  border: 1px solid #e7e7ee;
  border-radius: 14px;
  padding: 18px 16px;
  background: #fff;
}

.toolBtn {
  appearance: none;
  border: 1px solid #e7e7ee;
  background: #fff;
  color: #111;
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
}

.toolBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.muted {
  color: #5b5b6b;
}

h1, h2, h3 {
  margin: 0 0 10px;
}

p, li {
  line-height: 1.45;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
  background: #f6f6fb;
  padding: 2px 6px;
  border-radius: 8px;
}

.footer {
  margin-top: 18px;
}

.callout {
  background: #f6f6fb;
  border: 1px solid #e7e7ee;
  border-radius: 12px;
  padding: 12px 12px;
}