/* Scoped replica of floating-modal chrome for the homepage product demo.
   Keep visual tokens/structure aligned with floating-modal/ui/styles.css. */

.chta-demo {
  --cd-bg: #0c0908;
  --cd-bg-raise: #161210;
  --cd-ink: #f3eee7;
  --cd-muted: #b5a494;
  --cd-line: #2a221c;
  --cd-primary: #c44b45;
  --cd-primary-ink: #fff8f6;
  --cd-tan: #e0c4a0;
  --cd-hover: rgba(255, 255, 255, 0.07);
  --cd-placeholder: #948472;
  --cd-toggle-listening: #2e2822;
  --cd-skeleton: rgba(243, 238, 231, 0.12);
  --cd-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --cd-font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --cd-hit: 30px;
  --cd-titlebar-h: 42px;
  --cd-type-body: 0.9375rem;
  --cd-type-answer: 1.05rem;
  --cd-type-transcript: 0.9rem;
  --cd-type-ui: 0.8125rem;
  --cd-type-label: 0.68rem;
  --cd-type-status: 0.8rem;
  --cd-transcript-h: 4.25rem;
  --cd-shadow: 0 24px 64px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04);

  box-sizing: border-box;
  width: min(100%, 26rem);
  height: 32rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--cd-line);
  border-radius: 12px;
  background: var(--cd-bg);
  color: var(--cd-ink);
  font-family: var(--cd-font);
  font-size: var(--cd-type-body);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  box-shadow: var(--cd-shadow);
  user-select: none;
  pointer-events: none;
}

.chta-demo *,
.chta-demo *::before,
.chta-demo *::after {
  box-sizing: border-box;
}

.chta-demo .cd-chrome {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.chta-demo .cd-windowbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 22px;
  padding: 0 4px 0 10px;
  border-bottom: 1px solid var(--cd-line);
}

.chta-demo .cd-titlebar-window {
  display: flex;
  align-items: center;
}

.chta-demo .cd-window-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--cd-muted);
}

.chta-demo .cd-window-btn svg {
  width: 12px;
  height: 12px;
  display: block;
}

.chta-demo .cd-titlebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.35rem;
  height: var(--cd-titlebar-h);
  padding: 0 8px 0 10px;
  border-bottom: 1px solid var(--cd-line);
}

.chta-demo .cd-activity {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
  margin: 0;
  padding-right: 0.25rem;
  color: var(--cd-muted);
  font-size: var(--cd-type-status);
  font-weight: 550;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chta-demo .cd-activity[hidden] {
  display: none !important;
}

.chta-demo .cd-activity.is-live {
  color: var(--cd-tan);
}

.chta-demo .cd-activity.is-live::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--cd-primary);
  box-shadow: 0 0 0 3px rgba(196, 75, 69, 0.22);
  animation: cd-live-dot 1.2s ease-in-out infinite;
}

.chta-demo .cd-titlebar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.chta-demo .cd-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--cd-hit);
  height: var(--cd-hit);
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--cd-muted);
}

.chta-demo .cd-icon-btn svg {
  width: 15px;
  height: 15px;
  display: block;
}

.chta-demo .cd-toggle {
  appearance: none;
  min-width: 4.25rem;
  height: var(--cd-hit);
  padding: 0 0.7rem;
  border: 0;
  border-radius: 7px;
  background: var(--cd-primary);
  color: var(--cd-primary-ink);
  font: inherit;
  font-size: var(--cd-type-ui);
  font-weight: 650;
  letter-spacing: -0.01em;
  transition: background 0.15s var(--cd-ease), color 0.15s var(--cd-ease);
}

.chta-demo.is-listening .cd-toggle {
  background: var(--cd-toggle-listening);
  color: var(--cd-tan);
  box-shadow: inset 0 0 0 1px var(--cd-line);
}

.chta-demo .cd-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 8px 10px 0;
  gap: 0.2rem;
}

.chta-demo .cd-transcript {
  display: block;
  width: 100%;
  height: var(--cd-transcript-h);
  max-height: var(--cd-transcript-h);
  flex-shrink: 0;
  margin: 0 0 0.45rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--cd-line);
  border-radius: 8px;
  resize: none;
  overflow: hidden;
  background: var(--cd-bg-raise);
  color: var(--cd-ink);
  font: inherit;
  font-size: var(--cd-type-transcript);
  line-height: 1.35;
  transition: border-color 0.2s var(--cd-ease), box-shadow 0.2s var(--cd-ease), background 0.2s var(--cd-ease);
}

.chta-demo .cd-transcript:empty::before {
  content: attr(data-placeholder);
  color: var(--cd-placeholder);
}

/* Mic on = question field is actively receiving speech */
.chta-demo.is-listening .cd-transcript {
  border-color: color-mix(in srgb, var(--cd-primary) 55%, var(--cd-line));
  background: color-mix(in srgb, var(--cd-primary) 8%, var(--cd-bg-raise));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cd-primary) 16%, transparent);
}

.chta-demo .cd-transcript.is-typing::after {
  content: "";
  display: inline-block;
  width: 0.12rem;
  height: 1em;
  margin-left: 1px;
  vertical-align: -0.12em;
  background: var(--cd-tan);
  animation: cd-caret 0.9s steps(1) infinite;
}

.chta-demo.is-answering .cd-answer {
  color: var(--cd-ink);
}

.chta-demo.is-thinking .cd-field-label,
.chta-demo.is-answering .cd-field-label {
  color: var(--cd-tan);
}

.chta-demo .cd-answer-block {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  overflow: hidden;
}

.chta-demo .cd-field-label {
  margin: 0;
  font-size: var(--cd-type-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cd-muted);
}

.chta-demo .cd-answer {
  flex: 1;
  min-height: 0;
  margin: 0;
  padding: 0.35rem 0.15rem 0.5rem;
  overflow: auto;
  color: var(--cd-ink);
  font-size: var(--cd-type-answer);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0.01em;
  white-space: pre-wrap;
}

.chta-demo .cd-answer .placeholder {
  color: var(--cd-muted);
  opacity: 0.75;
}

.chta-demo .cd-skeleton {
  display: grid;
  gap: 0.4rem;
  padding-top: 0.2rem;
}

.chta-demo .cd-skeleton span {
  display: block;
  height: 0.5rem;
  border-radius: 3px;
  background: var(--cd-skeleton);
  animation: cd-pulse 1.1s ease-in-out infinite;
}

.chta-demo .cd-skeleton span:nth-child(1) {
  width: 92%;
}

.chta-demo .cd-skeleton span:nth-child(2) {
  width: 74%;
  animation-delay: 0.12s;
}

.chta-demo .cd-skeleton span:nth-child(3) {
  width: 58%;
  animation-delay: 0.24s;
}

.chta-demo .cd-statusbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  min-height: 40px;
  padding: 6px 10px 10px;
  flex-shrink: 0;
  border-top: 1px solid transparent;
}

.chta-demo.is-listening .cd-statusbar,
.chta-demo.has-status .cd-statusbar {
  border-top-color: var(--cd-line);
}

.chta-demo .cd-auth {
  max-width: 7rem;
  min-height: var(--cd-hit);
  height: var(--cd-hit);
  padding: 0 0.5rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--cd-tan);
  font: inherit;
  font-size: var(--cd-type-status);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes cd-live-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.85);
  }
}

@keyframes cd-pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

@keyframes cd-caret {
  0%,
  45% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chta-demo .cd-activity.is-live::before,
  .chta-demo .cd-skeleton span,
  .chta-demo .cd-transcript.is-typing::after {
    animation: none;
  }

  .chta-demo .cd-toggle,
  .chta-demo .cd-transcript {
    transition: none;
  }
}