:root {
  color-scheme: dark;
}
body {
  font-family: 'DM Mono', ui-monospace, SFMono-Regular, Consolas, Menlo,
    monospace;
  font-variant-numeric: tabular-nums;
  background: #121212;
  color: #e0e0e0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 2rem;
}
h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  opacity: 0.5;
}
#udtStr {
  font-size: 3rem;
  font-weight: 600;
  color: #eee;
  margin: 2rem 0;
}
.tabs {
  display: flex;
  gap: 0rem;
}
.tab {
  font: inherit;
  padding: 0.4rem 1.1rem;
  border: 1px solid #555;
  background: #333;
  color: #eee;
  cursor: pointer;
}
.tab.active {
  background: #555;
  border-bottom-color: #555;
  font-weight: bold;
}
h2 {
  margin-top: 1rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
}
input {
  font: inherit;
  padding: 0.35rem 0.6rem;
  border: 1px solid #555;
  background: #222;
  color: #eee;
}
table {
  border-collapse: collapse;
  margin-top: 0.6rem;
  width: 100%;
  max-width: 600px;
  overflow: hidden;
}
th,
td {
  padding: 0.5rem 0.8rem;
  border: 1px solid #444;
  text-align: left;
}
th {
  background: #1c1c1c;
}
tbody tr:nth-child(even) {
  background: #1a1a1a;
}
.fine {
  font-size: 0.85rem;
  color: #aaa;
}