:root {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 0%, #f8fbff 0%, #eef4ff 45%, #f7fafc 100%);
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  min-height: 100%;
  height: 100%;
}

.app {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.fullscreen-center {
  height: 100%;
  display: grid;
  place-items: center;
}

.full-layout {
  min-height: 100%;
}

.brand {
  color: #e2e8f0;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 1rem;
}

.header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding-inline: 1rem;
}

.content {
  padding: 1.25rem;
}

.stack-gap {
  margin-bottom: 1rem;
}

pre {
  margin: 0;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 0.8rem;
  overflow: auto;
  max-height: 360px;
}