.xt-ai-chat {
  --xt-ai-accent: var(--td_theme_color, #4db2ec);
  --xt-ai-accent-strong: #2b7fb1;
  --xt-ai-accent-strong: color-mix(in srgb, var(--xt-ai-accent) 85%, #0b2e4a 15%);
  --xt-ai-accent-soft: rgba(77, 178, 236, 0.16);
  --xt-ai-accent-soft: color-mix(in srgb, var(--xt-ai-accent) 18%, #ffffff 82%);
  --xt-ai-surface: #ffffff;
  --xt-ai-text: #1b2533;
  --xt-ai-muted: #5d6b7b;
  --xt-ai-border: rgba(13, 23, 33, 0.08);
  --xt-ai-shadow: 0 16px 40px rgba(15, 32, 67, 0.12);

  position: relative;
  margin: 0 0 28px;
  padding: 0;
  border-radius: 20px;
  border: 1px solid var(--xt-ai-border);
  background: linear-gradient(180deg, #ffffff 0%, #f5f8fb 100%);
  box-shadow: var(--xt-ai-shadow);
  overflow: hidden;
  font-family: var(--td_default_google_font_1, 'Open Sans', 'Open Sans Regular', sans-serif);
  color: var(--xt-ai-text);
}

.xt-ai-chat::before,
.xt-ai-chat::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.xt-ai-chat::before {
  width: 220px;
  height: 220px;
  top: -140px;
  right: -80px;
  background: radial-gradient(circle, rgba(77, 178, 236, 0.28), transparent 65%);
  background: radial-gradient(circle, color-mix(in srgb, var(--xt-ai-accent) 30%, transparent 70%), transparent 65%);
  opacity: 0.7;
}

.xt-ai-chat::after {
  width: 180px;
  height: 180px;
  bottom: -120px;
  left: -70px;
  background: radial-gradient(circle, rgba(77, 178, 236, 0.22), transparent 65%);
  background: radial-gradient(circle, color-mix(in srgb, var(--xt-ai-accent) 22%, transparent 78%), transparent 65%);
  opacity: 0.6;
}

.xt-ai-chat__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px 14px;
  gap: 12px;
}

.xt-ai-chat__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.xt-ai-chat__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--xt-ai-accent);
  border-radius: 14px;
  background: rgba(77, 178, 236, 0.16);
  background: color-mix(in srgb, var(--xt-ai-accent) 18%, #ffffff 82%);
  box-shadow: inset 0 0 0 1px rgba(77, 178, 236, 0.25);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--xt-ai-accent) 25%, transparent 75%);
}

.xt-ai-chat__icon svg {
  width: 30px;
  height: 30px;
}

.xt-ai-chat__title {
  font-size: 18px;
  font-weight: 700;
}

.xt-ai-chat__subtitle {
  font-size: 13px;
  color: var(--xt-ai-muted);
  margin-top: 2px;
}

.xt-ai-chat__badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--xt-ai-accent-soft);
  color: var(--xt-ai-accent-strong);
  font-weight: 600;
}

.xt-ai-chat__body {
  position: relative;
  padding: 6px 20px 4px;
  max-height: 420px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.xt-ai-chat__body::-webkit-scrollbar {
  width: 6px;
}

.xt-ai-chat__body::-webkit-scrollbar-thumb {
  background: rgba(77, 178, 236, 0.3);
  background: color-mix(in srgb, var(--xt-ai-accent) 30%, #ffffff 70%);
  border-radius: 999px;
}

.xt-ai-chat__message {
  display: flex;
  width: 100%;
}

.xt-ai-chat__message--assistant {
  justify-content: flex-start;
}

.xt-ai-chat__message--user {
  justify-content: flex-end;
}

.xt-ai-chat__bubble {
  max-width: 82%;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 8px 20px rgba(15, 32, 67, 0.08);
  white-space: pre-wrap;
}

.xt-ai-chat__message--assistant .xt-ai-chat__bubble {
  background: linear-gradient(135deg, var(--xt-ai-accent) 0%, #88c9f4 100%);
  background: linear-gradient(135deg, var(--xt-ai-accent) 0%, color-mix(in srgb, var(--xt-ai-accent) 70%, #ffffff 30%) 100%);
  color: #ffffff;
  border-bottom-left-radius: 6px;
}

.xt-ai-chat__message--user .xt-ai-chat__bubble {
  background: var(--xt-ai-surface);
  border: 1px solid var(--xt-ai-border);
  color: var(--xt-ai-text);
  border-bottom-right-radius: 6px;
}

.xt-ai-chat__quick-replies {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 20px 8px;
}

.xt-ai-chat__quick-reply {
  border: 1px solid var(--xt-ai-border);
  border-radius: 16px;
  padding: 8px 14px;
  background: #ffffff;
  color: var(--xt-ai-text);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.4;
  box-shadow: 0 8px 20px rgba(15, 32, 67, 0.08);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.xt-ai-chat__quick-reply:hover {
  border-color: rgba(77, 178, 236, 0.4);
  border-color: color-mix(in srgb, var(--xt-ai-accent) 35%, #ffffff 65%);
  transform: translateY(-1px);
}

.xt-ai-chat__typing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

.xt-ai-chat__typing-dots {
  display: inline-flex;
  gap: 4px;
}

.xt-ai-chat__typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.75);
  display: inline-block;
  animation: xt-ai-bounce 1.2s infinite ease-in-out;
}

.xt-ai-chat__typing-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.xt-ai-chat__typing-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes xt-ai-bounce {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.6;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.xt-ai-chat__notice {
  margin: 0 20px 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--xt-ai-accent-soft);
  color: var(--xt-ai-accent-strong);
  font-size: 13px;
  display: none;
}

.xt-ai-chat__notice.is-visible {
  display: block;
}

.xt-ai-chat__controls {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 14px 20px 18px;
}

.xt-ai-chat__input {
  flex: 1;
  resize: none;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--xt-ai-border);
  background: #ffffff;
  font-size: 14px;
  line-height: 1.4;
  min-height: 44px;
  max-height: 120px;
  outline: none;
  box-shadow: inset 0 1px 2px rgba(15, 32, 67, 0.08);
}

.xt-ai-chat__input:focus {
  border-color: rgba(77, 178, 236, 0.5);
  border-color: color-mix(in srgb, var(--xt-ai-accent) 40%, #ffffff 60%);
  box-shadow: 0 0 0 3px rgba(77, 178, 236, 0.2);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--xt-ai-accent) 15%, transparent 85%);
}

.xt-ai-chat__send {
  border: none;
  border-radius: 14px;
  padding: 0 16px;
  height: 44px;
  background: var(--xt-ai-accent);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 10px 20px rgba(15, 32, 67, 0.16);
}

.xt-ai-chat__send:hover {
  transform: translateY(-1px);
}

.xt-ai-chat__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.xt-ai-chat__send-icon {
  font-size: 18px;
  line-height: 1;
}

.xt-ai-chat__clear {
  padding: 0 20px 18px;
}

.xt-ai-chat__clear-btn {
  width: 100%;
  border: 1px solid var(--xt-ai-border);
  border-radius: 12px;
  padding: 10px 14px;
  background: #ffffff;
  color: var(--xt-ai-text);
  cursor: pointer;
  font-weight: 600;
}

.xt-ai-chat__clear-btn:hover {
  border-color: rgba(77, 178, 236, 0.4);
  border-color: color-mix(in srgb, var(--xt-ai-accent) 35%, #ffffff 65%);
}

.xt-ai-chat__admin-note {
  margin: 0 20px 18px;
  font-size: 12px;
  color: var(--xt-ai-muted);
}

.xt-ai-chat__footer-note {
  margin: 0;
  padding: 10px 20px 12px;
  font-size: 11px;
  color: var(--xt-ai-muted);
  line-height: 1.4;
  border-top: 1px solid var(--xt-ai-border);
  background: #f6f8fb;
}

@media (max-width: 767px) {
  .xt-ai-chat__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .xt-ai-chat__body {
    max-height: 360px;
  }

  .xt-ai-chat__bubble {
    max-width: 92%;
  }
}