:root {
  color-scheme: light;
  --ink: #182235;
  --muted: #5b6575;
  --navy: #17365d;
  --blue: #1859a9;
  --orange: #c65d08;
  --orange-soft: #fff0df;
  --warning: #fff7df;
  --warning-border: #b86a00;
  --surface: #ffffff;
  --canvas: #f3f6fa;
  --border: #ccd4df;
  --focus: #005fcc;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 1rem/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--blue); }
a:focus-visible, button:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: .75rem max(1rem, calc((100% - 56rem) / 2));
  text-align: right;
}
.chat-shell, .auth-shell {
  width: min(100% - 2rem, 56rem);
  margin: 2rem auto 4rem;
}
.auth-shell { max-width: 48rem; margin-top: 5rem; }
.eyebrow {
  margin: 0 0 .25rem;
  color: var(--orange);
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .07em;
  text-transform: uppercase;
}
h1 { margin: 0; color: var(--navy); font-size: clamp(1.8rem, 5vw, 2.65rem); line-height: 1.15; }
.intro { margin-top: .65rem; color: var(--muted); }
.beta-banner {
  margin-bottom: 1.25rem;
  padding: 1rem;
  border: 2px solid #a63a00;
  border-radius: .5rem;
  background: #fff1e8;
  color: #682300;
}
.feedback-panel { margin-top: 1rem; padding-top: .8rem; border-top: 1px solid var(--border); }
.feedback-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.feedback-status { color: var(--muted); font-size: .88rem; }
.conversation { display: grid; gap: 1.25rem; margin: 2rem 0 1rem; }
.exchange { display: grid; gap: .55rem; }
.speaker-label { margin: 0; font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.user-bubble {
  justify-self: end;
  max-width: min(85%, 42rem);
  margin: 0;
  padding: .8rem 1rem;
  border-radius: 1rem 1rem .2rem 1rem;
  background: var(--navy);
  color: #fff;
  overflow-wrap: anywhere;
}
.answer-card {
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--surface);
  box-shadow: 0 .3rem 1rem rgb(23 54 93 / 8%);
}
.answer-card h2 { margin: 0 0 .75rem; color: var(--navy); font-size: 1.2rem; }
.answer-text { margin: 0 0 1rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.clause-line { margin: .75rem 0 .4rem; }
.clause-badge {
  display: inline-block;
  border-radius: 999px;
  background: var(--orange-soft);
  color: #843800;
  padding: .28rem .7rem;
  font-weight: 750;
}
.related-clauses, .review-status { color: var(--muted); }
.review-status { font-weight: 650; }
.caution-panel {
  margin: 1rem 0;
  padding: .9rem 1rem;
  border-left: .3rem solid var(--warning-border);
  background: var(--warning);
}
.caution-panel h3 { margin: 0 0 .45rem; font-size: 1rem; }
.caution-list { margin: 0; padding-left: 1.25rem; }
.caution-code {
  display: block;
  margin-top: .15rem;
  color: var(--muted);
  font-size: .78rem;
  text-transform: uppercase;
}
.provenance { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: .8rem; }
.provenance summary { color: var(--blue); cursor: pointer; font-weight: 700; }
.provenance-list { display: grid; gap: .5rem; margin: .8rem 0 0; }
.provenance-row { display: grid; grid-template-columns: minmax(9rem, 1fr) 2fr; gap: .75rem; }
.provenance-row dt { font-weight: 700; }
.provenance-row dd { margin: 0; overflow-wrap: anywhere; }
.scope-card { border-left: .3rem solid var(--orange); }
.error-card { border-left: .3rem solid #9b2c2c; }
.status { min-height: 1.55rem; margin: .5rem 0; color: var(--muted); }
.composer {
  display: grid;
  gap: .55rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--surface);
}
.composer label { font-weight: 750; }
textarea {
  width: 100%;
  min-height: 8rem;
  resize: vertical;
  border: 1px solid #8995a7;
  border-radius: .4rem;
  padding: .8rem;
  color: var(--ink);
  background: #fff;
  font: inherit;
}
.hint, .legal-note { margin: 0; color: var(--muted); font-size: .88rem; }
.actions { display: flex; flex-wrap: wrap; gap: .65rem; }
button, .primary-link {
  min-height: 2.75rem;
  border-radius: .4rem;
  padding: .65rem 1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.primary-button, .primary-link {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  text-decoration: none;
}
.secondary-button { border: 1px solid var(--navy); background: #fff; color: var(--navy); }
button:disabled { cursor: wait; opacity: .58; }
.legal-note { margin-top: 1rem; }
.voice-privacy {
  margin-top: .25rem;
  padding-top: .65rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .88rem;
}
.voice-privacy summary { color: var(--blue); cursor: pointer; font-weight: 700; }
.voice-privacy p { margin: .55rem 0 0; }

@media (max-width: 40rem) {
  .chat-shell, .auth-shell { width: min(100% - 1rem, 56rem); margin-top: 1rem; }
  .site-header { padding-inline: .75rem; }
  .user-bubble { max-width: 92%; }
  .answer-card, .composer { border-radius: .5rem; }
  .provenance-row { grid-template-columns: 1fr; gap: 0; }
  .actions { display: grid; }
  .actions button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}