:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --link: #1a56db;
  --visited: #6b21a8;
  --border: #e5e7eb;
  --accent: #2563eb;
  --mark-bg: #fef08a;
  --panel: #f8fafc;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f19;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --link: #7aa2f7;
    --visited: #c4b5fd;
    --border: #1f2937;
    --accent: #3b82f6;
    --mark-bg: #854d0e;
    --panel: #111827;
    --card: #0f1524;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
a { color: var(--link); text-decoration: none; }
a:visited { color: var(--visited); }
a:hover { text-decoration: underline; }
mark { background: var(--mark-bg); color: inherit; padding: 0 1px; border-radius: 2px; }

.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 80px; }
header.brand { display: flex; align-items: baseline; gap: 10px; margin-bottom: 20px; }
header.brand h1 { font-size: 28px; margin: 0; letter-spacing: -0.5px; }
header.brand .tag { color: var(--muted); font-size: 13px; }
header.brand a.admin { margin-left: auto; font-size: 13px; }

form.search { display: flex; gap: 8px; margin-bottom: 8px; }
form.search input[type="search"] {
  flex: 1; padding: 12px 14px; font-size: 16px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--card); color: var(--fg);
}
form.search input[type="search"]:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
form.search button {
  padding: 0 18px; font-size: 15px; border: 0; border-radius: 10px;
  background: var(--accent); color: #fff; cursor: pointer;
}
.hints { color: var(--muted); font-size: 12.5px; margin-bottom: 16px; }
.hints code { background: var(--panel); padding: 1px 5px; border-radius: 4px; }

.meta { color: var(--muted); font-size: 13px; margin: 10px 0 16px; }

/* AI answer panel */
.answer {
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: 10px; padding: 14px 16px; margin-bottom: 20px;
}
.answer h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); margin: 0 0 8px; }
.answer .body { white-space: pre-wrap; }
.answer .sources { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.answer .sources a {
  font-size: 12px; background: var(--card); border: 1px solid var(--border);
  border-radius: 999px; padding: 2px 9px;
}
.answer.hidden { display: none; }

/* Results */
.result { margin-bottom: 22px; }
.result .url { color: var(--muted); font-size: 12.5px; word-break: break-all; }
.result h3 { margin: 2px 0 3px; font-size: 18px; font-weight: 500; }
.result .snippet { color: var(--fg); font-size: 14.5px; }
.result .snippet { opacity: 0.92; }

.pager { display: flex; gap: 10px; justify-content: center; margin-top: 28px; }
.pager button {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--card); color: var(--fg); cursor: pointer;
}
.pager button:disabled { opacity: 0.4; cursor: default; }

.empty { color: var(--muted); padding: 30px 0; text-align: center; }
.spinner { color: var(--muted); padding: 10px 0; }

/* Admin */
.admin-grid { display: grid; gap: 20px; }
.card {
  border: 1px solid var(--border); border-radius: 12px; padding: 18px; background: var(--card);
}
.card h2 { margin: 0 0 12px; font-size: 16px; }
.card textarea, .card input[type="text"], .card input[type="number"] {
  width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--fg); font: inherit;
}
.card textarea { min-height: 90px; resize: vertical; }
.card button {
  margin-top: 10px; padding: 9px 16px; border: 0; border-radius: 8px;
  background: var(--accent); color: #fff; cursor: pointer;
}
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.stat { background: var(--panel); border-radius: 10px; padding: 12px; text-align: center; }
.stat .n { font-size: 22px; font-weight: 600; }
.stat .l { font-size: 12px; color: var(--muted); }
.flaglist { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.flag { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); }
.flag.on { background: #16a34a22; border-color: #16a34a; }
.flag.off { color: var(--muted); }
.out { font-size: 13px; color: var(--muted); margin-top: 8px; white-space: pre-wrap; }