.public-demo {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--sa-line-strong, #cfd3dc);
  border-radius: 14px;
  background: var(--sa-surface, #fff);
  color: var(--sa-ink, #171a21);
  box-shadow: 0 8px 24px rgba(23, 26, 33, .08);
}
.public-demo__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--sa-line, #e4e6ec);
  background: #fff;
}
.public-demo__avatar {
  display: grid;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 11px;
  background: var(--sa-brand-soft, #e8edfd);
  color: var(--sa-brand-ink, #24409e);
  font-size: 14px;
  font-weight: 800;
}
.public-demo__identity { display: grid; gap: 2px; min-width: 0; }
.public-demo__identity strong { font-size: 13px; line-height: 1.25; }
.public-demo__identity span { color: var(--sa-ink-3, #6b7483); font-size: 11px; }
.public-demo__reset {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-left: auto;
  border: 1px solid var(--sa-line-strong, #cfd3dc);
  border-radius: 8px;
  padding: 6px 9px;
  background: #fff;
  color: var(--sa-ink-2, #4b5160);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.public-demo__reset:hover { border-color: var(--sa-brand); color: var(--sa-brand-ink); }
.public-demo__log {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 218px;
  max-height: 278px;
  overflow-y: auto;
  padding: 14px;
  background: #f8f9fc;
  overscroll-behavior: contain;
  scroll-behavior: auto;
}
.public-demo__message {
  max-width: 91%;
  align-self: flex-start;
  border: 1px solid var(--sa-line, #e4e6ec);
  border-radius: 12px 12px 12px 4px;
  padding: 9px 11px;
  background: #fff;
  color: var(--sa-ink-2, #4b5160);
  font-size: 12px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.public-demo__message--user {
  align-self: flex-end;
  border-color: var(--sa-brand);
  border-radius: 12px 12px 4px 12px;
  background: var(--sa-brand);
  color: #fff;
}
.public-demo__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px 4px;
  background: #fff;
}
.public-demo__quick button {
  min-height: 44px;
  border: 1px solid var(--sa-line-strong, #cfd3dc);
  border-radius: 999px;
  padding: 6px 9px;
  background: #fff;
  color: var(--sa-ink-2, #4b5160);
  font: inherit;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.3;
  cursor: pointer;
}
.public-demo__quick button:hover {
  border-color: var(--sa-brand);
  background: var(--sa-brand-soft, #e8edfd);
  color: var(--sa-brand-ink, #24409e);
}
.public-demo__form {
  display: flex;
  gap: 7px;
  padding: 10px 12px 12px;
  background: #fff;
}
.public-demo__input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--sa-line-strong, #cfd3dc);
  border-radius: 9px;
  padding: 8px 10px;
  background: #fff;
  color: var(--sa-ink, #171a21);
  font: inherit;
  font-size: 13px;
}
.public-demo__input:focus-visible,
.public-demo__form button:focus-visible,
.public-demo__quick button:focus-visible,
.public-demo__reset:focus-visible {
  outline: 3px solid rgba(58, 92, 224, .35);
  outline-offset: 2px;
}
.public-demo__form button {
  flex: 0 0 auto;
  min-width: 68px;
  min-height: 44px;
  border: 1px solid var(--sa-brand);
  border-radius: 9px;
  padding: 8px 12px;
  background: var(--sa-brand);
  color: #fff;
  font: inherit;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}
.public-demo__form button:hover { background: var(--sa-brand-ink, #24409e); }
.public-demo__note {
  margin: 0;
  border-top: 1px solid var(--sa-line, #e4e6ec);
  padding: 8px 12px;
  background: #fff;
  color: var(--sa-ink-3, #6b7483);
  font-size: 10px;
  line-height: 1.45;
}
.public-demo__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 575.98px) {
  .public-demo__header { padding: 10px 11px; }
  .public-demo__log { min-height: 205px; max-height: 255px; padding: 11px; }
  .public-demo__quick { padding-inline: 9px; }
  .public-demo__form { padding: 8px 9px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .public-demo__log { scroll-behavior: auto; }
}