:root {
  --fg: #1c1c1c;
  --bg: #fafafa;
  --muted: #6b6b6b;
  --border: #e4e4e4;
  --accent: #2c5cdd;
  --bad: #c0392b;
  --good: #1e8449;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  color: var(--fg);
  background: var(--bg);
}

header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: white;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

header h1 { margin: 0; font-size: 18px; font-weight: 600; }

.meta { color: var(--muted); font-size: 13px; }
.meta button {
  margin-left: 8px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: white;
  border-radius: 4px;
  cursor: pointer;
}
.meta button:hover { border-color: var(--accent); color: var(--accent); }

main { padding: 16px 24px; }

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

th, td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

th {
  background: #f4f4f4;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
th:hover { background: #ececec; }

td.num, th.num { text-align: right; }
td.invalid { color: var(--bad); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

#error { color: var(--bad); }
#empty { color: var(--muted); }

#back {
  margin-bottom: 12px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: white;
  border-radius: 4px;
  cursor: pointer;
}

#detail h2 { margin: 0 0 12px 0; word-break: break-all; font-size: 14px; }