:root {
  --ink: #1c1c1a;
  --muted: #6b6b66;
  --rule: #ddddd6;
  --bg: #fbfbf8;
  --accent: #2d5f4f;
  --pass: #2f6b3f;
  --review: #8a6a1f;
  --fail: #963232;
  --pending: #6b6b66;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.5rem 4rem;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

header, main, footer { max-width: 62rem; margin: 0 auto; }

header {
  padding: 2rem 0 1.25rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 2rem;
}

header h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.01em; }
header h1 a { color: var(--ink); text-decoration: none; }
.tagline { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.85rem; }

a { color: var(--accent); }

.stats { display: flex; gap: 2.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.stat { display: flex; flex-direction: column; }
.stat .value { font-size: 1.75rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat .label { font-size: 0.75rem; text-transform: uppercase;
               letter-spacing: 0.06em; color: var(--muted); }

.flags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }

.flag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
}
.flag-pass { background: var(--pass); }
.flag-review { background: var(--review); }
.flag-fail { background: var(--fail); }
.flag-pending { background: var(--pending); }

.filters { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.filters input, .filters select, .filters button {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  font: inherit;
  font-size: 0.85rem;
  background: #fff;
}
.filters button { background: var(--accent); color: #fff; border-color: var(--accent);
                  cursor: pointer; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.55rem 0.6rem; text-align: left;
         border-bottom: 1px solid var(--rule); }
th { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em;
     color: var(--muted); border-bottom: 1px solid var(--ink); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.organism { font-style: italic; }
td.empty { padding: 2rem 0; color: var(--muted); text-align: center; }
tbody tr:hover { background: #f4f4ef; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85em;
  background: #efefe8;
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
}

dl { display: grid; grid-template-columns: max-content 1fr;
     gap: 0.4rem 1.5rem; margin: 1.5rem 0; }
dt { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em;
     color: var(--muted); padding-top: 0.15rem; }
dd { margin: 0; }

.breadcrumb { font-size: 0.85rem; }
h2 { margin: 0.5rem 0; font-size: 1.4rem; }
h3 { margin-top: 2rem; font-size: 1rem; }
.siblings { padding-left: 1.2rem; }

.pagination { display: flex; gap: 1.5rem; align-items: center;
              margin-top: 1.5rem; font-size: 0.85rem; }

footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule);
         color: var(--muted); font-size: 0.8rem; }