:root {
  --fg: #222;
  --muted: #666;
  --bg: #fafafa;
  --border: #e1e1e1;
  --accent: #0b57d0;
  --sig: #e6f4ea;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  line-height: 1.5;
}

.banner {
  background: #111;
  color: #fff;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
}

.banner-home { color: #fff; text-decoration: none; font-weight: 600; }
.banner-nav { display: inline-flex; gap: 1rem; margin-left: 1.5rem; }
.banner-nav a { color: #ddd; text-decoration: none; font-size: 0.85rem; }
.banner-nav a:hover { color: #fff; }
.banner-stats { color: #bbb; }
.banner-stats code { color: #ddd; }
.about h2 { margin-top: 1.5rem; }
.about code { background: #f0f0f0; padding: 0.1rem 0.3rem; border-radius: 3px; }

main {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

h1 { font-size: 1.6rem; margin-top: 0; }
h2 { font-size: 1.2rem; margin-top: 1.5rem; }

form input[type="text"] {
  width: 100%;
  padding: 0.6rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

form button {
  margin-top: 0.75rem;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.caveat { color: var(--muted); font-size: 0.85rem; margin-top: 1.5rem; }
.error { color: #b00; }
.empty { color: var(--muted); font-style: italic; }

.tabs { border-bottom: 1px solid var(--border); margin: 1.5rem 0 0.5rem; }
.tabs .tab {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}
.tabs .tab.active { color: var(--fg); border-color: var(--accent); }

.rows {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}
.rows th, .rows td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
.rows th { background: #f0f0f0; }
.rows tr.sig { background: var(--sig); }

.crumbs { font-size: 0.85rem; color: var(--muted); }
.crumbs a { color: var(--muted); }

.samples li { margin-bottom: 0.75rem; }
.samples small { color: var(--muted); font-family: monospace; }
.terms { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.terms li {
  background: #eef;
  padding: 0.15rem 0.6rem;
  border-radius: 10px;
  font-size: 0.85rem;
}