:root {
  --bg: #ffffff;
  --fg: #1b1f24;
  --muted: #5b6470;
  --card: #f5f7fa;
  --border: #d8dde3;
  --link: #0b5cad;
  --mark: #fff1a8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151a;
    --fg: #e6e9ed;
    --muted: #9aa4b1;
    --card: #1b2028;
    --border: #2c333d;
    --link: #7cb7ff;
    --mark: #5a4b00;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header, main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

header { padding-top: 32px; }

h1 { margin: 0 0 16px; font-size: 28px; }
h2 { font-size: 18px; margin: 32px 0 12px; }
h3 { font-size: 16px; margin: 0 0 4px; }

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

#search {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.cards li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
}

.cards p { margin: 0 0 8px; color: var(--muted); }

.repo { font-size: 14px; }

.isozone { margin-bottom: 24px; }

#result-list { padding-left: 20px; }
#result-list li { margin-bottom: 12px; }
#result-list .site { color: var(--muted); font-size: 14px; }
#result-list p { margin: 2px 0 0; }

mark { background: var(--mark); color: inherit; }

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