html {
  box-sizing: border-box;
  overflow: -moz-scrollbars-vertical;
  overflow-y: scroll;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  margin: 0;
  background: #fafafa;
}

/* Minimal Plinkly header above Swagger UI */
.topbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #0b172a;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar__brand {
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.topbar__nav {
  display: flex;
  gap: 12px;
}

.topbar__nav a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-size: 14px;
}

.topbar__nav a:hover {
  text-decoration: underline;
}