/* Minimal, zero-framework styles. Dark/light via prefers-color-scheme. */
:root {
  --bg: #fff;
  --fg: #18181b;
  --muted: #71717a;
  --border: #e4e4e7;
  --accent: #2563eb;
  --accent-fg: #fff;
  --card: #fafafa;
  --hit-bg: #fef3c7;
  --code: #f4f4f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b;
    --fg: #e4e4e7;
    --muted: #71717a;
    --border: #27272a;
    --accent: #3b82f6;
    --accent-fg: #fff;
    --card: #18181b;
    --hit-bg: #422006;
    --code: #18181b;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
main { max-width: 760px; margin: 0 auto; padding: 2rem 1rem 4rem; }
header { border-bottom: 1px solid var(--border); padding: 1rem; }
header .inner { max-width: 760px; margin: 0 auto; display: flex; justify-content: space-between; align-items: baseline; }
header a { color: var(--fg); text-decoration: none; font-weight: 600; }
header nav a { color: var(--muted); font-weight: 400; margin-left: 1rem; }
h1 { font-size: 1.6rem; margin: 0 0 .5rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }
p { color: var(--fg); }
.muted { color: var(--muted); font-size: .9rem; }

input[type="search"], input[type="text"], textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}
textarea { resize: vertical; min-height: 4rem; }
button {
  padding: .6rem 1.2rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-fg);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: .5; cursor: not-allowed; }

.search-results {
  margin-top: .5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  max-height: 400px;
  overflow-y: auto;
}
.search-results:empty { display: none; }
.search-result {
  display: block;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
}
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: var(--border); }
.search-result .title { font-weight: 600; }
.search-result .meta { color: var(--muted); font-size: .85rem; }

.badge {
  display: inline-block;
  padding: .1rem .5rem;
  border-radius: 4px;
  font-size: .75rem;
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
  margin-left: .5rem;
}
.badge.ready { background: #16a34a; color: #fff; border-color: #15803d; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.answer { white-space: pre-wrap; }
.sources { margin-top: 1rem; border-top: 1px dashed var(--border); padding-top: .75rem; }
.source { margin-bottom: .5rem; font-size: .85rem; color: var(--muted); }
.source .id { font-family: ui-monospace, monospace; background: var(--code); padding: .05rem .3rem; border-radius: 3px; }

.htmx-indicator { display: none; color: var(--muted); }
.htmx-request .htmx-indicator { display: inline; }

code {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  background: var(--code);
  padding: .05rem .3rem;
  border-radius: 3px;
  font-size: .9em;
}
pre { background: var(--code); padding: 1rem; border-radius: 8px; overflow-x: auto; }