.qy-ai {
  display: grid;
  min-height: min(520px, 58vh);
  grid-template-rows: auto minmax(220px, 1fr) auto;
  gap: 14px;
  color: var(--qy-text-1);
}

.qy-ai__intro {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid color-mix(in srgb, var(--qy-accent) 18%, var(--qy-border));
  border-radius: 18px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--qy-accent-soft) 62%, transparent), transparent 68%),
    color-mix(in srgb, var(--qy-surface-muted) 88%, transparent);
}

.qy-ai__intro > div {
  display: grid;
  gap: 2px;
}

.qy-ai__intro strong { font-size: 0.79rem; }
.qy-ai__intro small { color: var(--qy-text-3); font-size: 0.62rem; line-height: 1.55; }

.qy-ai__orb {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.92), transparent 16%),
    radial-gradient(circle at 64% 66%, var(--qy-accent), color-mix(in srgb, var(--qy-accent) 35%, #f1c9d8) 48%, transparent 72%);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--qy-accent) 30%, transparent);
  animation: qy-ai-orb 3.8s ease-in-out infinite alternate;
}

.qy-ai__messages {
  min-height: 0;
  overflow: auto;
  padding: 4px 4px 18px;
  scrollbar-width: thin;
  overscroll-behavior: contain;
}

.qy-ai__welcome {
  display: grid;
  min-height: 210px;
  place-content: center;
  justify-items: center;
  gap: 6px;
  color: var(--qy-text-2);
  text-align: center;
}

.qy-ai__welcome span {
  color: var(--qy-accent);
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.qy-ai__welcome strong { color: var(--qy-text-1); font-size: clamp(1.2rem, 3vw, 1.75rem); }
.qy-ai__welcome p { max-width: 34em; margin: 0; color: var(--qy-text-3); font-size: 0.7rem; }

.qy-ai__message {
  position: relative;
  display: grid;
  width: min(88%, 620px);
  gap: 6px;
  margin: 0 0 14px;
  padding: 13px 15px;
  border: 1px solid var(--qy-border);
  border-radius: 18px 18px 18px 6px;
  background: color-mix(in srgb, var(--qy-surface-muted) 86%, transparent);
  box-shadow: var(--qy-shadow-xs);
  animation: qy-ai-message 440ms var(--qy-ease-spring) both;
}

.qy-ai__message.is-user {
  margin-left: auto;
  border-color: color-mix(in srgb, var(--qy-accent) 22%, var(--qy-border));
  border-radius: 18px 18px 6px;
  background: color-mix(in srgb, var(--qy-accent-soft) 72%, var(--qy-surface-solid));
}

.qy-ai__message header span {
  color: var(--qy-text-3);
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.qy-ai__message-body {
  min-width: 0;
  color: var(--qy-text-1);
  font-size: 0.72rem;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.qy-ai__message-body p { margin: 0.4em 0; }
.qy-ai__message-body p:first-child { margin-top: 0; }
.qy-ai__message-body p:last-child { margin-bottom: 0; }
.qy-ai__message-body ul { margin: 0.4em 0; padding-left: 1.25em; }
.qy-ai__message-body a { color: var(--qy-accent); text-decoration: underline; text-underline-offset: 3px; }
.qy-ai__message-body code {
  padding: 0.12em 0.38em;
  border-radius: 5px;
  color: color-mix(in srgb, var(--qy-accent) 82%, var(--qy-text-1));
  background: color-mix(in srgb, var(--qy-accent-soft) 64%, transparent);
  font-family: var(--qy-font-mono, "SFMono-Regular", Consolas, monospace);
  font-size: 0.88em;
}

.qy-ai__heading { display: block; margin: 0.55em 0 0.15em; font-size: 0.76rem; }
.qy-ai__code {
  max-width: 100%;
  overflow: auto;
  margin: 0.55em 0;
  padding: 12px;
  border: 1px solid var(--qy-border);
  border-radius: 12px;
  color: var(--qy-text-2);
  background: color-mix(in srgb, var(--qy-bg-deep, #18141c) 92%, transparent);
}
.qy-ai__code code { padding: 0; color: inherit; background: transparent; }

.qy-ai__message.is-streaming .qy-ai__message-body::after {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  margin-left: 0.18em;
  border-radius: 2px;
  background: var(--qy-accent);
  content: '';
  vertical-align: -0.16em;
  animation: qy-ai-caret 780ms steps(1) infinite;
}

.qy-ai__message.is-error {
  border-color: color-mix(in srgb, #c96666 28%, var(--qy-border));
  background: color-mix(in srgb, #c96666 7%, var(--qy-surface-muted));
}

.qy-ai__copy {
  justify-self: start;
  padding: 3px 0;
  border: 0;
  color: var(--qy-text-3);
  background: none;
  cursor: pointer;
  font-size: 0.55rem;
}
.qy-ai__copy:hover { color: var(--qy-accent); }

.qy-ai__composer {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--qy-accent) 16%, var(--qy-border));
  border-radius: 20px;
  background: color-mix(in srgb, var(--qy-surface-solid) 92%, transparent);
  box-shadow: 0 16px 45px color-mix(in srgb, var(--qy-shadow-color, #241c2a) 9%, transparent);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.qy-ai__input {
  width: 100%;
  min-height: 54px;
  max-height: 150px;
  resize: vertical;
  border: 0;
  outline: 0;
  color: var(--qy-text-1);
  background: transparent;
  font-family: inherit;
  font-size: 0.72rem;
  line-height: 1.65;
}
.qy-ai__input::placeholder { color: var(--qy-text-4, var(--qy-text-3)); }

.qy-ai__composer-meta,
.qy-ai__context-switch,
.qy-ai__context-switch label {
  display: flex;
  align-items: center;
}

.qy-ai__composer-meta { min-height: 31px; gap: 8px; }
.qy-ai__context-switch { min-width: 0; flex: 1; color: var(--qy-text-3); font-size: 0.54rem; }
.qy-ai__context-switch label { gap: 6px; cursor: pointer; }
.qy-ai__context-switch input { accent-color: var(--qy-accent); }
.qy-ai__counter { color: var(--qy-text-3); font-size: 0.5rem; font-variant-numeric: tabular-nums; }

.qy-ai__send,
.qy-ai__stop {
  min-height: 31px;
  padding: 0 13px;
  border: 1px solid color-mix(in srgb, var(--qy-accent) 24%, transparent);
  border-radius: var(--qy-radius-pill);
  color: #fff;
  background: var(--qy-accent);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--qy-accent) 22%, transparent);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.57rem;
  font-weight: 750;
}
.qy-ai__stop { color: var(--qy-text-2); background: var(--qy-surface-muted); box-shadow: none; }
.qy-ai__send:disabled { cursor: wait; opacity: 0.55; }

.qy-ai__turnstile {
  position: absolute;
  z-index: 5;
  right: 10px;
  bottom: 52px;
}

@keyframes qy-ai-orb {
  to { transform: translate3d(2px, -3px, 0) scale(1.06); filter: hue-rotate(9deg); }
}

@keyframes qy-ai-message {
  from { opacity: 0; transform: translateY(9px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@keyframes qy-ai-caret { 50% { opacity: 0; } }

@media (max-width: 640px) {
  .qy-ai { min-height: min(500px, 66vh); }
  .qy-ai__message { width: 95%; padding: 11px 12px; }
  .qy-ai__context-switch span { max-width: 18ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  .qy-ai__orb,
  .qy-ai__message,
  .qy-ai__message.is-streaming .qy-ai__message-body::after { animation: none !important; }
  .qy-ai__messages { scroll-behavior: auto; }
}