:root {
  --bg: #0b0f14;
  --surface: #121821;
  --border: #223041;
  --text: #e6edf3;
  --muted: #8b98a5;
  --brand: #1294a9;
  --danger: #ff6b6b;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

h1 {
  margin: 0;
  font-size: 26px;
}

.sub,
.meta,
.empty,
.note {
  color: var(--muted);
}

.sub {
  margin: 4px 0 0;
}

button {
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: ui-monospace, monospace;
  font-size: 13px;
}

.pill.muted {
  color: var(--muted);
}

.lookup {
  display: flex;
  gap: 8px;
  margin: 24px 0 8px;
  flex-wrap: wrap;
}

.lookup input {
  flex: 1 1 260px;
  min-width: 0;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font: 14px ui-monospace, monospace;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 20px 0 12px;
  flex-wrap: wrap;
}

.row a {
  color: var(--brand);
  font-family: ui-monospace, monospace;
  font-size: 13px;
  word-break: break-all;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.value {
  font-size: 24px;
  font-weight: 700;
  margin-top: 6px;
  word-break: break-all;
}

.unit {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

.note {
  font-size: 12px;
  margin-top: 6px;
}

.error {
  color: var(--danger);
}