/* demo.css - chat playback, stats, sponsored cards. */
.demo-grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 900px) {
  .demo-grid { grid-template-columns: 1fr 1.15fr; }
}

.controls, .stats, .chat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.controls { padding: 1.15rem; }
.controls .row { display: flex; gap: 0.6rem; }
.controls .btn { flex: 1; text-align: center; border: 0; cursor: pointer; font: inherit; }
.btn-ghost {
  background: #fff;
  color: #0369a1;
  border: 1px solid #bae6fd;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.btn-ghost:focus-visible, .controls .btn:focus-visible {
  outline: 3px solid #0284c7;
  outline-offset: 2px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.stats div { padding: 0.85rem 0.4rem; }
.stats strong { display: block; font-size: 1.6rem; color: #0f172a; }
.stats span { font-size: 0.75rem; color: #475569; }

.chat { overflow: hidden; }
.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: #e0f2fe;
  border-bottom: 1px solid var(--line);
}

.live {
  color: #0369a1;
  font-size: 0.75rem;
  font-weight: 700;
}

.thread {
  height: 26rem;
  overflow-y: auto;
  padding: 1rem;
  background: #f0f9ff;
}

.thread[hidden], #empty[hidden] { display: none; }
#empty { text-align: center; padding: 4rem 1rem; color: #475569; }

.bubble {
  max-width: 85%;
  margin: 0 0 0.7rem;
  padding: 0.7rem 0.95rem;
  border-radius: 16px;
  font-size: 0.95rem;
  color: #1e293b;
}

.bubble.user {
  margin-left: auto;
  background: #0284c7;
  color: #fff;
}

.bubble.bot {
  background: #fff;
  border: 1px solid var(--line);
}

.ad-card {
  background: #fff;
  border: 1px solid #bae6fd;
  border-left: 4px solid #0369a1;
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin: 0 0 0.85rem;
}

.ad-label {
  margin: 0 0 0.35rem;
  color: #0369a1;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ad-card h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.ad-card p { margin-bottom: 0.7rem; font-size: 0.9rem; }
.ad-card .btn { font-size: 0.85rem; padding: 0.45rem 0.9rem; }

.composer {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--line);
  background: #fff;
}

.composer input, .composer button {
  font: inherit;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.55rem 0.9rem;
}

.composer input { flex: 1; background: #e0f2fe; color: #475569; }
.composer button { background: #bae6fd; color: #0369a1; font-weight: 600; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.transcript { font-size: 0.95rem; }
.transcript li { margin-bottom: 0.65rem; }
@media (prefers-reduced-motion: reduce) {
  .bubble, .ad-card { animation: none; }
}