:root {
  color-scheme: light;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

body {
  margin: 0;
  background: linear-gradient(140deg, #f5f8ff, #eef3f0);
  color: #1d2230;
}

#root {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.app {
  width: min(760px, 100%);
  background: #ffffff;
  border: 1px solid #dce4f2;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 8px 30px rgba(37, 52, 92, 0.08);
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

input,
button {
  font: inherit;
  border-radius: 8px;
  border: 1px solid #c7d4ee;
  padding: 8px 10px;
}

button {
  background: #2158d6;
  color: #fff;
  border-color: #2158d6;
  cursor: pointer;
}

pre {
  overflow: auto;
  background: #0f172a;
  color: #dbeafe;
  border-radius: 8px;
  padding: 12px;
}