:root {
  color-scheme: light dark;
  --bg: #fff;
  --fg: #1c2126;
  --muted: #667085;
  --line: #e6e7ea;
  --accent: #2f6be0;
  --tag: #f2f4f7;
  --panel: #fafbfc;
  --hit-bg: #fff;
  --hit-hover: #f6f8fb;
  --hl: #ffeb99;
  --hl-fg: #1c2126;
  --danger: #c33d3d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1214;
    --fg: #e6e7ea;
    --muted: #98a2b3;
    --line: #26292e;
    --accent: #8ab4ff;
    --tag: #1c2126;
    --panel: #14181c;
    --hit-bg: #14181c;
    --hit-hover: #191d22;
    --hl: #7a6100;
    --hl-fg: #ffeb99;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font: 14px/1.45 system-ui, -apple-system, Segoe UI, sans-serif; }
header { padding: 16px 24px 8px; display: flex; align-items: baseline; gap: 12px; }
header h1 { font-size: 18px; margin: 0; font-weight: 600; }
header .tag { background: var(--tag); color: var(--muted); font-size: 11px; padding: 2px 8px; border-radius: 999px; margin-left: 4px; letter-spacing: 0.02em; }
header .corpus { margin-left: auto; color: var(--muted); font-size: 12px; font-family: ui-monospace, SFMono-Regular, monospace; }
.controls { padding: 8px 24px 16px; display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: start; border-bottom: 1px solid var(--line); }
.searchbox input { width: 100%; padding: 12px 14px; font-size: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); }
.searchbox input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.searchbox .hint { color: var(--muted); font-size: 12px; margin-top: 6px; min-height: 16px; }
.facets { display: flex; gap: 12px; align-items: flex-end; }
.facets label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 12px; }
.facets select { min-width: 140px; padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); font-size: 13px; }
.facets button { align-self: flex-end; padding: 6px 10px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); border-radius: 6px; cursor: pointer; font-size: 12px; }
.mode { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--fg); }
.mode label { display: flex; align-items: center; gap: 6px; }
.mode label.debug { color: var(--muted); }
main { padding: 16px 24px; display: grid; grid-template-columns: 1fr; gap: 20px; }
main.two-col { grid-template-columns: 1fr 1fr; }
.pane { min-width: 0; }
.pane.hidden { display: none; }
.pane-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 6px; margin-bottom: 8px; }
.pane-head h2 { margin: 0; font-size: 14px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.pane-head .took { font-size: 12px; color: var(--muted); font-family: ui-monospace, monospace; }
.hits { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.hit { background: var(--hit-bg); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; transition: background 0.12s; }
.hit:hover { background: var(--hit-hover); }
.hit a.title { color: var(--accent); text-decoration: none; font-weight: 600; font-size: 15px; }
.hit a.title:hover { text-decoration: underline; }
.hit .crumb { color: var(--muted); font-size: 12px; margin-top: 2px; }
.hit .snippet { color: var(--fg); font-size: 13px; margin-top: 6px; }
.hit .snippet mark { background: var(--hl); color: var(--hl-fg); padding: 0 2px; border-radius: 2px; }
.hit .meta { display: flex; gap: 8px; margin-top: 8px; font-size: 11px; color: var(--muted); flex-wrap: wrap; }
.hit .meta span.badge { background: var(--tag); border: 1px solid var(--line); padding: 1px 6px; border-radius: 999px; }
.hit .meta span.debug { font-family: ui-monospace, monospace; }
.empty { color: var(--muted); font-style: italic; padding: 20px 0; }
.load-more { margin: 12px 0 0; padding: 8px 14px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); border-radius: 6px; cursor: pointer; font-size: 13px; width: 100%; }
.load-more:hover { background: var(--hit-hover); }
.error { color: var(--danger); }
footer { padding: 16px 24px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
footer a { color: var(--muted); text-decoration: underline; }