:root {
  --ink: #1c2430; --muted: #5b6673; --line: #d9dee6; --bg: #f7f8fa; --card: #ffffff;
  --accent: #1f5c3d; --accent-soft: #e8f2ec; --warn: #8a5a00; --warn-soft: #fdf3dd;
  --danger: #8f1d1d; --danger-soft: #fbeaea;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 16px 20px; }
header h1 { font-size: 1.45rem; margin: 8px 0 4px; }
.sub, .hint { color: var(--muted); font-size: 0.92rem; }
.badge {
  display: inline-block; margin: 20px 0 0; padding: 2px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 0.8rem; font-weight: 600;
}
form label { display: block; font-weight: 600; margin-bottom: 6px; }
textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: var(--card); color: inherit; resize: vertical;
}
textarea:focus-visible, button:focus-visible, .chip:focus-visible { outline: 3px solid #7fb3a0; outline-offset: 1px; }
.row { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
button#ask {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 10px 26px; font: inherit; font-weight: 600; cursor: pointer;
}
button#ask[disabled] { opacity: 0.6; cursor: wait; }
#suggested { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 18px; }
.chip {
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 12px; font: inherit; font-size: 0.88rem; cursor: pointer; color: var(--ink);
}
.chip:hover { border-color: var(--accent); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 18px; margin-top: 8px;
}
.status {
  display: inline-block; border-radius: 999px; padding: 1px 10px; font-size: 0.78rem; font-weight: 600;
}
.status.supported { background: var(--accent-soft); color: var(--accent); }
.status.partially-supported { background: var(--warn-soft); color: var(--warn); }
.status.insufficient { background: #eceff3; color: var(--muted); }
.crisis {
  background: var(--danger-soft); color: var(--danger); border: 1px solid #e3bcbc;
  border-radius: 10px; padding: 12px 16px; font-weight: 600; margin-bottom: 10px;
}
.answer { font-size: 1.02rem; }
.actions { margin: 10px 0 0; padding-left: 22px; }
.actions li { margin: 4px 0; }
details { margin-top: 10px; }
details summary { cursor: pointer; color: var(--muted); font-size: 0.92rem; }
.citations { list-style: none; margin: 12px 0 0; padding: 0; }
.citations li {
  border-top: 1px solid var(--line); padding: 10px 0 2px; font-size: 0.9rem;
}
.citations .rule-id { font-weight: 700; font-variant-numeric: tabular-nums; }
.citations blockquote { margin: 6px 0 0; padding: 6px 10px; border-left: 3px solid var(--accent); background: var(--accent-soft); }
.citations a { color: var(--accent); }
.warnings { color: var(--warn); font-size: 0.86rem; margin: 10px 0 0; padding-left: 20px; }
.meta { color: var(--muted); font-size: 0.84rem; margin-top: 12px; }
.error { background: var(--danger-soft); border: 1px solid #e3bcbc; color: var(--danger); border-radius: 10px; padding: 12px 16px; }
footer { border-top: 1px solid var(--line); margin-top: 28px; color: var(--muted); font-size: 0.86rem; }
footer p { margin: 8px 0; }