:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1c2330;
  --muted: #5d6778;
  --border: #dde2ea;
  --accent: #2f6fde;
  --accent-text: #ffffff;
  --score: #0f7b52;
  --error: #b42318;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --card: #1b2029;
    --text: #e6e9ef;
    --muted: #9aa4b5;
    --border: #2c3442;
    --accent: #6c9cf0;
    --accent-text: #0b1220;
    --score: #4cc38a;
    --error: #ff8a80;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.6rem; margin: 0 0 8px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }
.lede, .meta, .hint, .examples { color: var(--muted); }
.booting { padding: 32px 16px; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-top: 16px;
}

.options { display: grid; gap: 12px; margin-bottom: 16px; }
label { display: grid; gap: 4px; font-size: 0.9rem; color: var(--muted); }

input, select {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  width: 100%;
}

button { font: inherit; cursor: pointer; border-radius: 6px; }
button:disabled { opacity: 0.55; cursor: default; }
.primary { background: var(--accent); color: var(--accent-text); border: 0; padding: 8px 16px; }

.chip {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 2px 10px;
  margin: 4px 4px 0 0;
  font-size: 0.85rem;
}

.query { display: flex; gap: 8px; }
.query input { flex: 1; min-width: 0; }
.examples { margin-top: 10px; font-size: 0.9rem; }

.progress { margin-top: 16px; }
.progress progress { width: 100%; height: 8px; }
.stage { font-size: 0.9rem; color: var(--muted); margin-bottom: 4px; }

.hits { padding-left: 1.4rem; margin: 8px 0 0; }
.hits li { margin: 10px 0; }
.score { font-variant-numeric: tabular-nums; color: var(--score); font-weight: 600; margin-right: 8px; }
.lang {
  font-size: 0.75rem;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
  margin-right: 8px;
  color: var(--muted);
}

.diagnostics dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; font-size: 0.9rem; }
.diagnostics dt { color: var(--muted); }
.diagnostics dd { margin: 0; overflow-wrap: anywhere; }
.error { border-color: var(--error); }
.error pre { white-space: pre-wrap; color: var(--error); margin: 0; }